Broadcasting system installed
1 scope
The technology standard is applicable to building radio system installation.
2 construction preparation
2.1 material equipment requirements:
2.1.1 the speaker (speaker) : there are dynamic, static type, electromagnetic and ionic type, etc. The most widely electricity-powered loudspeaker, it divides the carton speakers and the trumpet loudspeaker two kinds. When choose, should according to the design requirements of the specifications of the model, pay attention to the nominal power and impedance parameters, and the product certificate.
2.1.2 sound box: it includes the speaker (speaker), enclosure, shield, such as accessories, is to finalize the design product, when choose, should comply with the design requirements of the specifications of the models, and the product certificate.
2.1.3 line between transformer (transformer). It is used for impedance transformation between speaker and amplifier, the amplifier output as the high impedance output, speakers end to the low impedance matching. When choose, should meet the requirements of the design specifications, and product certification.
2.1.4 box, terminal box: distributor roads and branch lines, enclosure with finalize the design product. With product certificate.
2.1.5 controller: control the size of the volume device, should choose to finalize the design product, and product certification.
2.1.6 external socket: for radio special socket, use the attached to finalize the design product and product certification.
2.1.7 amplifier is: it is host amplification system, should be based on sound quality standards and the required capacity to choose corresponding grade and specifications of the products. Undertake choosing according to the design requirements and product certificate.
2.1.8 repeater: former level repeater is also called the tuning, should choose to finalize the design product according to design requirements, and product certification.
2.1.9 audio processing equipment: it includes frequency equalizer, artificial reverberator, decelerator, compressors, limiter, and the noise gain automatic controller, etc. Should be selected according to the design requirements to finalize the design product and product certification.
See table 3-47 2.1.10 commonly used wire specifications.
The attachment specification table 3-47
Cross-sectional area of steel wire strands for every 100 meters per wire resistance value
Wire specifications copper wire line diameter (mm) (was) a share (Ω)
12/0.15
16/0.15
23/0.15
40/0.15
40/0.193 0.2
0.2
0.4
0.7
1.14 7.5
6
4
2.2
1.5
Should choose appropriate according to the design requirements specifications of the insulation plastic copper multi-strand wire, and the product certificate.
2.1.11 single core, double core, four core shielded wire and cable shielding should be selected according to the design requirements, and product certification.
2.1.12 other audio equipment, such as player, radio, microphone, control power supply, regulated power supply equipment must comply with the design requirements of the specifications of the models.
2.1.13 galvanized materials: organic screws, plain washers, spring washers, metal expansion bolt.
2.1.14 other materials: plastic expansion tubes, terminal blocks, drill bit, solder, flux, all kinds of plugs, etc.
2.2 the main equipment:
2.2.1 hand electric drill, impact drill, wire cutting pliers, stripping pliers, electrician knife, screwdriver, a word cross screwdriver, long nose pliers, side cutting pliers.
2.2.2 multimeter, tool bag, spirit level, arrows, lines
2.3 operation conditions:
2.3.1 broadcasting system have finished laying pipeline, box, box.
2.3.2 civil decoration and pulp live complete.
2.3.3 large channel set up complete cabinet.
2.3.4 ceiling speaker hole according to the actual size is good.
3 operation process
3.1 process:
Control the power receiver
The speaker
Controller please - > terminal box please amplifier please repeater
External socket
Collecting recorder player
3.2 loudspeaker installation:
3.2.1 for field assembly speaker, transformer, horn line between box should be prefabricated assembled according to the requirements of design.
3.2.2 with the acoustic column: according to the design requirements of height and Angle position preset tube expanding bolt or embed widgets.
3.2.3 complete sets of the horn, with different power and impedance ratio in advance according to the design requirements of the required or move the end of the line between transformer welding wire, strip 10 ~ 15 mm insulating sheath.
3.2.4 Ming wall box, terminal box column or sound box, first the wire and the wire inside the box using terminal as transition pressure welding, and then put back to the terminal connection box. Get the elevation drilling, into fixed tube expanding bolt. For the bottom flush with metope.
3.2.5 installed in the ceiling embedded horn, will lead to use terminals with wire inside the box connected and the speakers make it up in their hands and ceiling tiejin, use screws to fix the horn on the condole top support plate. When using spring fixed horn, stretching the spring will trumpet into the ceiling, will the horn hood hook and make it close to on the ceiling, and alignment position.
3.2.6 emergency broadcast system, according to the instructions of design (product specifications) three root GuangBoXian properly connected.
3.2.7 hall, multi-function hall, large combination oven installation, should be mounted according to drawing and has a certain Angle.
3.2.8 external socket panel before installation box should be convergent flush, internal clean, wire joint firm pressure. Panel installation is flat and level.
3.2.9 volume control when installation should be clean inside the box, and then install the controller level off, firm.
3.3 radio amplifier and machine room equipment installation:
3.3.1 when large cabinet using channel steel base, should first check the channel steel base is straight, if its size meet the cabinet size. When the cabinet directly in the ground, should first on the ground to play online according to the design requirement.
3.3.2 rainfall distribution on 10-12 according to the fixed pitch inside the cabinet, on the basis of channel steel or ground hole, when more than one arrangement, should begin from the end to start the installation, alignment hole bits, use galvanized bolt. Guy looking for a flat, then use all kinds of anchor bolt and cabinet put oneself in another's position to tighten bolts, firm.
3.3.3 charge amplifier, a recorder, record player, the combined sound equipment system such as CD player, should provide the equipment according to the technical requirements, the manufacturer by each device into the cabinet, superior bolt, fixed flat.
We adopt special wires to the device to connect, each branch wire thread ends well, pressure equipment and good protection earthed shielding wire should be pressure.
3.3.5 when the equipment for the table let stand type such as amplifier, place the special table first, and then to equipment installation, connect each branch lead.
3.3.6 after the equipment installation, debugging before the power switch should be placed in a disconnected position, the equipment to separate after commissioning, tracking, and then the whole system debugging should be subject to relevant personnel after the completion of acceptance after consign is used, and the acceptance formalities.
4 quality standards
4.1 ensure projects:
4.4.1 column speakers, sound box, controller, socket board equipment installation should be solid and reliable, and wire connection order, line number correct and clear.
4.1.2 shielded wire and equipment protection ground wire should not be greater than 4 Ω (except special requirement). Pressure should be equipped with flat pad and trampoline, pressure onto solid and reliable.
4.1.3 free-standing ark if set on the floor, foundation channel steel must take root in the ground. Large free-standing cabinet or more cabinet are not allowed to float on the floor.
Inspection method: to observe the examination.
4.2 the basic items:
2 of the same indoor horn shall be arranged evenly, suction a top, into line. On the loudspeaker box, controller and outlet elevation should be consistent, such as flat and firm. Horn around there is no break phenomenon, there should be no damage of the decorative cover, and should level off.
4.2.2 the equipment wire connection correct, reliable and strong. Trunk cable (line) should be neat, the line number of the correct and clear. Are too many lines should tie into the beam, and with adequate margin in the box (box).
Inspection method: to observe the examination.
4.3 allowable deviation projects:
4.3.1 free-standing ark installation should be strong, a right, the verticality deviation of 1.5 ° / allowed 1000; The levelness of the rows ark on the same upright surface allowable deviation 3 mm; Even the joint between tank shall not be greater than 2 mm.
4.3.2 foundation channel steel should be straight, allowable deviation of 1/1000, but not more than 3 mm length. Foundation channel steel should be reliably grounded. After loading, the top 10 mm should be above the ground.
Test method: messenger wire, feet quantity check.
5 finished product protection
5.1 install the horn (box), maintain a clean and tidy condole top, metope should be paid attention to.
5.2 other type of work, we should pay attention to avoid collision and damage the loudspeaker box or shield.
5.3 rooms should be dustproof, moistureproof, prevent pollution and waterproof measures. In order to avoid the loss of damage to equipment and spare parts, should be timely shut the doors and Windows, door locks and hold people accountable for results.
6 should pay attention to quality problems
Between 6.1 device, main line and terminal connection is not strong, should be timely check, will loosen tight and firm.
6.2 use the shielded wire, copper wire and wire touching one another, according to the requirements should be separated from the core, the bronze pressure meet special attention.
6.3 during welding with welding oil, non polluted welds. After welding immediately with cotton silk (cloth) wipe the welding oil.
6.4 due to the shielding wire or equipment not grounding, can cause interference. Should be shielded wire and equipment according to the requirement of ground pressure.
6.5 loudspeaker wiring is not strong, the impedance mismatch, silent or volume, blatantly shall promptly repair, and replacement is not suitable for the equipment.
6.6 large horn box installed, uneven, larger volume will produce resonance. Loudspeaker box should be installed firmly and installation position accurately.
6.7 emergency GuangBoXian and ordinary GuangBoXian connection is not correct. Cause the function is not complete, should be timely to misconnect line is correct.
6.8 speaker shield was touch flat, should be timely repair or replacement.
6.9 patch pulp live, horn is polluted, too large or mounting holes. Should be dirt rub-up, and will repair cracks.
6.10 the same indoor loudspeaker array spacing uneven, elevation is inconsistent. Before installation should play good line, get the position, such as the gap between level exceed the allowable deviation scope should be adjusted to the specified scope.
7 quality records
7.1 speaker (speaker), sound box, the line between the transformer and the controller, an external socket, amplifier, repeater, audio processing equipment, shielding wire, shielded cable and other certification, product specifications and technical data.
7.2 radio system installation engineering, hidden risks, self-inspection, mutual inspection records.
7.3 design changes regarding the record, record drawings.
7.4 piping and pipe threading component project quality inspection records.
7.5 radio system installation and debugging
1 scope
The technology standard is applicable to building radio system installation.
2 construction preparation
2.1 material equipment requirements:
2.1.1 the speaker (speaker) : there are dynamic, static type, electromagnetic and ionic type, etc. The most widely electricity-powered loudspeaker, it divides the carton speakers and the trumpet loudspeaker two kinds. When choose, should according to the design requirements of the specifications of the model, pay attention to the nominal power and impedance parameters, and the product certificate.
2.1.2 sound box: it includes the speaker (speaker), enclosure, shield, such as accessories, is to finalize the design product, when choose, should comply with the design requirements of the specifications of the models, and the product certificate.
2.1.3 line between transformer (transformer). It is used for impedance transformation between speaker and amplifier, the amplifier output as the high impedance output, speakers end to the low impedance matching. When choose, should meet the requirements of the design specifications, and product certification.
2.1.4 box, terminal box: distributor roads and branch lines, enclosure with finalize the design product. With product certificate.
2.1.5 controller: control the size of the volume device, should choose to finalize the design product, and product certification.
2.1.6 external socket: for radio special socket, use the attached to finalize the design product and product certification.
2.1.7 amplifier is: it is host amplification system, should be based on sound quality standards and the required capacity to choose corresponding grade and specifications of the products. Undertake choosing according to the design requirements and product certificate.
2.1.8 repeater: former level repeater is also called the tuning, should choose to finalize the design product according to design requirements, and product certification.
2.1.9 audio processing equipment: it includes frequency equalizer, artificial reverberator, decelerator, compressors, limiter, and the noise gain automatic controller, etc. Should be selected according to the design requirements to finalize the design product and product certification.
See table 3-47 2.1.10 commonly used wire specifications.
The attachment specification table 3-47
Cross-sectional area of steel wire strands for every 100 meters per wire resistance value
Wire specifications copper wire line diameter (mm) (was) a share (Ω)
12/0.15
16/0.15
23/0.15
40/0.15
40/0.193 0.2
0.2
0.4
0.7
1.14 7.5
6
4
2.2
1.5
Should choose appropriate according to the design requirements specifications of the insulation plastic copper multi-strand wire, and the product certificate.
2.1.11 single core, double core, four core shielded wire and cable shielding should be selected according to the design requirements, and product certification.
2.1.12 other audio equipment, such as player, radio, microphone, control power supply, regulated power supply equipment must comply with the design requirements of the specifications of the models.
2.1.13 galvanized materials: organic screws, plain washers, spring washers, metal expansion bolt.
2.1.14 other materials: plastic expansion tubes, terminal blocks, drill bit, solder, flux, all kinds of plugs, etc.
2.2 the main equipment:
2.2.1 hand electric drill, impact drill, wire cutting pliers, stripping pliers, electrician knife, screwdriver, a word cross screwdriver, long nose pliers, side cutting pliers.
2.2.2 multimeter, tool bag, spirit level, arrows, lines
2.3 operation conditions:
2.3.1 broadcasting system have finished laying pipeline, box, box.
2.3.2 civil decoration and pulp live complete.
2.3.3 large channel set up complete cabinet.
2.3.4 ceiling speaker hole according to the actual size is good.
3 operation process
3.1 process:
Control the power receiver
The speaker
Controller please - > terminal box please amplifier please repeater
External socket
Collecting recorder player
3.2 loudspeaker installation:
3.2.1 for field assembly speaker, transformer, horn line between box should be prefabricated assembled according to the requirements of design.
3.2.2 with the acoustic column: according to the design requirements of height and Angle position preset tube expanding bolt or embed widgets.
3.2.3 complete sets of the horn, with different power and impedance ratio in advance according to the design requirements of the required or move the end of the line between transformer welding wire, strip 10 ~ 15 mm insulating sheath.
3.2.4 Ming wall box, terminal box column or sound box, first the wire and the wire inside the box using terminal as transition pressure welding, and then put back to the terminal connection box. Get the elevation drilling, into fixed tube expanding bolt. For the bottom flush with metope.
3.2.5 installed in the ceiling embedded horn, will lead to use terminals with wire inside the box connected and the speakers make it up in their hands and ceiling tiejin, use screws to fix the horn on the condole top support plate. When using spring fixed horn, stretching the spring will trumpet into the ceiling, will the horn hood hook and make it close to on the ceiling, and alignment position.
3.2.6 emergency broadcast system, according to the instructions of design (product specifications) three root GuangBoXian properly connected.
3.2.7 hall, multi-function hall, large combination oven installation, should be mounted according to drawing and has a certain Angle.
3.2.8 external socket panel before installation box should be convergent flush, internal clean, wire joint firm pressure. Panel installation is flat and level.
3.2.9 volume control when installation should be clean inside the box, and then install the controller level off, firm.
3.3 radio amplifier and machine room equipment installation:
3.3.1 when large cabinet using channel steel base, should first check the channel steel base is straight, if its size meet the cabinet size. When the cabinet directly in the ground, should first on the ground to play online according to the design requirement.
3.3.2 rainfall distribution on 10-12 according to the fixed pitch inside the cabinet, on the basis of channel steel or ground hole, when more than one arrangement, should begin from the end to start the installation, alignment hole bits, use galvanized bolt. Guy looking for a flat, then use all kinds of anchor bolt and cabinet put oneself in another's position to tighten bolts, firm.
3.3.3 charge amplifier, a recorder, record player, the combined sound equipment system such as CD player, should provide the equipment according to the technical requirements, the manufacturer by each device into the cabinet, superior bolt, fixed flat.
We adopt special wires to the device to connect, each branch wire thread ends well, pressure equipment and good protection earthed shielding wire should be pressure.
3.3.5 when the equipment for the table let stand type such as amplifier, place the special table first, and then to equipment installation, connect each branch lead.
3.3.6 after the equipment installation, debugging before the power switch should be placed in a disconnected position, the equipment to separate after commissioning, tracking, and then the whole system debugging should be subject to relevant personnel after the completion of acceptance after consign is used, and the acceptance formalities.
4 quality standards
4.1 ensure projects:
4.4.1 column speakers, sound box, controller, socket board equipment installation should be solid and reliable, and wire connection order, line number correct and clear.
4.1.2 shielded wire and equipment protection ground wire should not be greater than 4 Ω (except special requirement). Pressure should be equipped with flat pad and trampoline, pressure onto solid and reliable.
4.1.3 free-standing ark if set on the floor, foundation channel steel must take root in the ground. Large free-standing cabinet or more cabinet are not allowed to float on the floor.
Inspection method: to observe the examination.
4.2 the basic items:
2 of the same indoor horn shall be arranged evenly, suction a top, into line. On the loudspeaker box, controller and outlet elevation should be consistent, such as flat and firm. Horn around there is no break phenomenon, there should be no damage of the decorative cover, and should level off.
4.2.2 the equipment wire connection correct, reliable and strong. Trunk cable (line) should be neat, the line number of the correct and clear. Are too many lines should tie into the beam, and with adequate margin in the box (box).
Inspection method: to observe the examination.
4.3 allowable deviation projects:
4.3.1 free-standing ark installation should be strong, a right, the verticality deviation of 1.5 ° / allowed 1000; The levelness of the rows ark on the same upright surface allowable deviation 3 mm; Even the joint between tank shall not be greater than 2 mm.
4.3.2 foundation channel steel should be straight, allowable deviation of 1/1000, but not more than 3 mm length. Foundation channel steel should be reliably grounded. After loading, the top 10 mm should be above the ground.
Test method: messenger wire, feet quantity check.
5 finished product protection
5.1 install the horn (box), maintain a clean and tidy condole top, metope should be paid attention to.
5.2 other type of work, we should pay attention to avoid collision and damage the loudspeaker box or shield.
5.3 rooms should be dustproof, moistureproof, prevent pollution and waterproof measures. In order to avoid the loss of damage to equipment and spare parts, should be timely shut the doors and Windows, door locks and hold people accountable for results.
6 should pay attention to quality problems
Between 6.1 device, main line and terminal connection is not strong, should be timely check, will loosen tight and firm.
6.2 use the shielded wire, copper wire and wire touching one another, according to the requirements should be separated from the core, the bronze pressure meet special attention.
6.3 during welding with welding oil, non polluted welds. After welding immediately with cotton silk (cloth) wipe the welding oil.
6.4 due to the shielding wire or equipment not grounding, can cause interference. Should be shielded wire and equipment according to the requirement of ground pressure.
6.5 loudspeaker wiring is not strong, the impedance mismatch, silent or volume, blatantly shall promptly repair, and replacement is not suitable for the equipment.
6.6 large horn box installed, uneven, larger volume will produce resonance. Loudspeaker box should be installed firmly and installation position accurately.
6.7 emergency GuangBoXian and ordinary GuangBoXian connection is not correct. Cause the function is not complete, should be timely to misconnect line is correct.
6.8 speaker shield was touch flat, should be timely repair or replacement.
6.9 patch pulp live, horn is polluted, too large or mounting holes. Should be dirt rub-up, and will repair cracks.
6.10 the same indoor loudspeaker array spacing uneven, elevation is inconsistent. Before installation should play good line, get the position, such as the gap between level exceed the allowable deviation scope should be adjusted to the specified scope.
7 quality records
7.1 speaker (speaker), sound box, the line between the transformer and the controller, an external socket, amplifier, repeater, audio processing equipment, shielding wire, shielded cable and other certification, product specifications and technical data.
7.2 radio system installation engineering, hidden risks, self-inspection, mutual inspection records.
7.3 design changes regarding the record, record drawings.
7.4 piping and pipe threading component project quality inspection records.
7.5 radio system installation and debugging
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