CN218886075U - Overload capacity limit testing device of digital power amplifier circuit - Google Patents
Overload capacity limit testing device of digital power amplifier circuit Download PDFInfo
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- CN218886075U CN218886075U CN202222968890.8U CN202222968890U CN218886075U CN 218886075 U CN218886075 U CN 218886075U CN 202222968890 U CN202222968890 U CN 202222968890U CN 218886075 U CN218886075 U CN 218886075U
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- power amplifier
- mount pad
- digital power
- amplifier circuit
- circuit board
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The utility model relates to a power amplifier detects technical field, especially relates to a digital power amplifier circuit's overload capacity limit testing arrangement. The overload capacity limit testing device of the digital power amplifier circuit can accurately control the fire extinguishing range and prevent the working face of the detection equipment from being polluted. The utility model provides a digital power amplifier circuit's overload capacity limit testing arrangement, including mount pad, voltage regulator, link and motor etc, the upside joint of mount pad left part has voltage regulator, and the right back portion upside of mount pad is connected with the link, is connected with the motor on the link. The utility model discloses a voltage regulator adjusts circuit board output voltage, carries out the closing cap by transparent visor to the circuit board that detects again and accidentally injures detection personnel when preventing transshipping, cools down through the carbon dioxide fire extinguisher to the circuit board of burning simultaneously and puts out a fire to reached and to have protected detection personnel from many positions, the effect that the unnecessary risk appears when reducing the detection.
Description
Technical Field
The utility model relates to a power amplifier detects technical field, especially relates to a digital power amplifier circuit's overload capacity limit testing arrangement.
Background
The digital power amplifier is an amplifier with characteristics of small distortion, low noise, large dynamic range, etc., and when the digital power amplifier is produced, the digital power amplifier usually performs circuit overload limit detection on a digital power amplifier circuit board (hereinafter referred to as a circuit board).
Present digital power amplifier circuit overload detection device, generally through being connected circuit board and conducting wire, later control electric power carries out circuit overload test to the circuit board, protection work when the test lets the detection personnel wear protective device usually, like goggles and protective gloves etc., but when the circuit board transships, when appearing the burning problem, need use the fire extinguisher to put out a fire to the circuit board of burning, because be handheld fire extinguisher's reason, it can not extinguish the fire very first time to appear the fire extinguisher spray inaccurate easily, powder or liquid foam class on a large scale blowout in the fire extinguisher simultaneously, cause check out test set's working face to pollute easily, influence detection efficiency.
In order to solve the problems, the overload capacity limit testing device of the digital power amplifier circuit, which can accurately control the fire extinguishing range and prevent the working surface of the detection equipment from being polluted, is provided.
SUMMERY OF THE UTILITY MODEL
In order to overcome the reason of handheld fire extinguisher, appear easily that the fire extinguisher sprays inaccurate and can not extinguish the fire very first time, and spray on a large scale and cause the working face of check out test set to pollute easily, influence detection efficiency's shortcoming, provide one kind can be in accurate control fire extinguishing range, prevent to pollute the digital power amplifier circuit's of check out test set working face overload capacity limit testing arrangement.
The technical scheme of the utility model is that: the utility model provides a digital power amplifier circuit's overload capacity limit testing arrangement, including the mount pad, the voltage regulator, the link, including a motor, an end cap, a controller, and a cover plate, the lead screw, the guide post, transparent visor and protection machanism, mount pad left part upside joint has the voltage regulator, mount pad right back portion upside is connected with the link, be connected with the motor on the link, connect the lead screw on the motor output shaft, the lead screw is connected with the mount pad rotary type, the mount pad top is connected with three guide post, slidingtype is connected with transparent visor between the guide post, transparent visor right back portion is connected with lead screw thread formula, be equipped with protection machanism on the transparent visor.
Further, protection machanism is including mounting bracket, carbon dioxide fire extinguisher and connecting pipe, and two upsides all are connected with the mounting bracket about the transparent visor, and equal joint has the carbon dioxide fire extinguisher on the mounting bracket, all is connected with the connecting pipe between carbon dioxide fire extinguisher and the transparent visor.
Further, still including fixed establishment, fixed establishment is including guide block, spring and fixed block, and the equal sliding type in both sides is connected with the guide block around the top in the mount pad, all is connected with a plurality of fixed blocks on the one side that the guide block is close to each other, fixed block and mount pad sliding type connection all are connected with a plurality of springs between guide block and the mount pad.
Further, the guide posts and the motor are combined to form a square distribution.
Further, the device anti-skid mat at the bottom of the installation seat.
Furthermore, the number of the fixed blocks is six.
The utility model has the advantages of it is following: 1. the utility model discloses a voltage regulator adjusts circuit board output voltage, carries out the closing cap by transparent visor to the circuit board that detects again and accidentally injures detection personnel when preventing transshipping, cools down through the carbon dioxide fire extinguisher to the circuit board of burning simultaneously and puts out a fire to reached and to have protected detection personnel from many positions, the effect that the unnecessary risk appears when reducing the detection.
2. The utility model discloses a fixed block extrusion guide block makes the spring atress compress to reached and carried out the adaptation counterpoint to the circuit board of different widths, method people carry out the effect that the butt joint detected.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a sectional view of the three-dimensional structure of the present invention.
Fig. 3 is a schematic structural diagram of the present invention.
Fig. 4 is a schematic perspective view of the protection mechanism of the present invention.
Fig. 5 is a schematic view of the three-dimensional structure of the fixing mechanism of the present invention.
In the reference symbols: 1. the device comprises a mounting base, 2, a voltage regulator, 3, a connecting frame, 4, a motor, 5, a screw rod, 6, a guide column, 7, a transparent protective cover, 8, a protection mechanism, 81, a mounting frame, 82, a carbon dioxide fire extinguisher, 83, a connecting pipe, 9, a fixing mechanism, 91, a guide block, 92, a spring, 93 and a fixing block.
Detailed Description
The above-described scheme is further illustrated below with reference to specific examples. It should be understood that these examples are for illustrative purposes and are not intended to limit the scope of the present application. The conditions used in the examples may be further adjusted according to the conditions of the particular manufacturer, and the conditions not specified are generally the conditions in routine experiments.
The utility model provides a digital power amplifier circuit's overload capacity limit test device, as shown in fig. 1-fig. 3, including mount pad 1, voltage regulator 2, link 3, motor 4, lead screw 5, guide post 6, transparent visor 7 and protection mechanism 8, mount pad 1 left part upside joint has voltage regulator 2, mount pad 1 bottom equipment slipmat, can increase the frictional force between mount pad 1 and the ground, make when carrying out circuit overload detection, mount pad 1 places more stably, mount pad 1 right back portion upside is connected with link 3, be connected with motor 4 on the link 3, motor 4 is orientation setting down, connect lead screw 5 on the motor 4 output shaft, lead screw 5 is connected with mount pad 1 rotary type, mount pad 1 top is connected with three guide post 6, be connected with transparent visor 7 between the guide post 6, guide post 6 forms the tetragonal distribution with motor 4 combination, make transparent visor 7 reciprocate more and firm, transparent visor 7 right back portion and lead screw 5 threaded connection, place the digital power amplifier that will carry out the inspection on mount pad 1 and carry out overload capacity limit test device 2 and carry out the butt joint protection mechanism to the overload capacity limit test the circuit board after carrying out overload detection, the transparent visor 7 that the messenger's circuit board is equipped with lead screw 5 and the guide post 5 and prevent that the damage appears in the transparent visor 5 that the accident detection circuit from going on the guide post 5 that the sliding type detection appears, the transparent visor 7 that the transparent visor 5 that the messenger detection appears, the transparent visor 7 that the messenger detection that the circuit that the mistake appears rotating when carrying out the mistake appears, the mistake appears on the mistake appears the transparent visor 5 that the detection circuit detection, the damage of the detection circuit board that the transparent visor 7 that the transparent visor 5 appears, the transparent detection that the transparent visor 5 that the overload detection that the transparent visor 7 that the transparent visor 5 appears.
As shown in fig. 1, fig. 3 and fig. 4, the protection mechanism 8 comprises a mounting frame 81, a carbon dioxide fire extinguisher 82 and a connecting pipe 83, the upper sides of the left part and the right part of the transparent protective cover 7 are both connected with the mounting frame 81, the carbon dioxide fire extinguisher 82 is connected with the mounting frame 81 in an equal joint manner, the connecting pipe 83 is connected between the carbon dioxide fire extinguisher 82 and the transparent protective cover 7, the carbon dioxide fire extinguisher 82 is started, and the fire extinguishing carbon dioxide is guided into the transparent protective cover 7 through the connecting pipe 83 to be accurately extinguished.
The digital power amplifier is an amplifier with the characteristics of small distortion, low noise, large dynamic range and the like, when the digital power amplifier is produced, the circuit overload limit detection is usually carried out on a digital power amplifier circuit board (hereinafter referred to as a circuit board) to judge the production quality of the digital power amplifier, in order to test the circuit board conveniently, the device can be used, firstly, a motor 4 is started, an output shaft of the motor 4 drives a screw rod 5 to rotate reversely, so that a transparent protective cover 7 moves upwards on a guide post 6, then, the circuit board which needs to be subjected to the circuit overload detection is inserted into the right side of a mounting seat 1 and connected with a voltage regulator 2, then, the motor 4 is controlled to rotate forwards to drive the transparent protective cover 7 to move downwards, the circuit board is wrapped, and the problem that the circuit board is exploded and splashed to cause danger when being overloaded is prevented, after the transparent protective cover 7 is closed, the motor 4 is closed, the voltage regulator 2 is started, the voltage regulator 2 gradually regulates output voltage to carry out circuit overload detection on a circuit board, when the circuit board reaches an overload limit, phenomena such as combustion and smoke can occur, the inside of the circuit board is observed through the transparent protective cover 7, when the circuit board has the above conditions, the voltage regulator 2 is closed, the current voltage is recorded, therefore, the circuit overload limit of the circuit board can be known, in order to prevent the circuit board from being damaged due to continuous combustion of equipment, when the circuit board is combusted, the carbon dioxide extinguisher 82 is started, carbon dioxide is sprayed out through the connecting pipe 83, the circuit board is cooled and extinguished, the carbon dioxide extinguisher 82 is closed after extinguishment is finished, when the circuit board after detection is required to be taken out, the motor 4 is started, and the output shaft of the motor 4 drives the screw rod 5 to reversely rotate, make transparent visor 7 rebound, later break away from circuit board and voltage regulator 2, take out from mount pad 1 right side, later close motor 4 for transparent visor 7 stops in guide post 6 top, and convenient next time uses because protection machanism 8 sets up on transparent visor 7, consequently when transparent visor 7 removes, can drive protection machanism 8 and remove, to sum up, adjust circuit board output voltage through voltage regulator 2, carry out the closing cap by transparent visor 7 to the circuit board that detects again and prevent the staff that detect by mistake when transshipping, cool down through carbon dioxide fire extinguisher 82 to the circuit board of burning and put out a fire simultaneously, thereby reached when carrying out circuit overload detection to digital power amplifier circuit board, can protect the staff that detect from many positions, the effect that the unnecessary risk appears when reducing the detection.
As shown in fig. 1, fig. 2 and fig. 5, still including fixed establishment 9, fixed establishment 9 is including guide block 91, spring 92 and fixed block 93, both sides all sliding connection has guide block 91 around the top in mount pad 1, all be connected with a plurality of fixed blocks 93 on one side that guide block 91 is close to each other, fixed block 93 is total three, can be to the left part of digital power amplifier circuit board, it is spacing with the right part, make things convenient for people to counterpoint the connection to digital power amplifier circuit board, fixed block 93 and mount pad 1 sliding connection, all be connected with a plurality of springs 92 between guide block 91 and the mount pad 1, spring 92 is total six, fixed block 93 receives the width of digital power amplifier circuit board and extrudees to guide block 91 and carries out the adaptation regulation, make guide block 91 compression spring 92, spring 92 can make guide block 91 and fixed block 93 reset, make things convenient for counterpoint detection achievement next time.
For the convenience of Gu Ang circuit board counterpoint, when inserting the circuit board from mount pad 1 right side, can make fixed block 93 keep away from extrusion guide block 91 each other, make guide block 91 remove extrusion spring 92, after the butt joint of circuit board and voltage regulator 2 was accomplished, the fixed block 93 of front and back both sides can press from both sides tight spacing putting simultaneously the convenience to counterpoint the circuit board of different widths, conveniently carry out the joint counterpoint, when the circuit board was taken out, spring 92 recovers and promotes guide block 91 and remove the reset drive fixed block 93 and reset, convenient next use, to sum up, extrude guide block 91 through fixed block 93 and make spring 92 atress compress, thereby reached and carried out the adaptation counterpoint to the circuit board of different widths, method people carry out the effect of butt joint detection.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the protection scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (6)
1. The utility model provides an overload capacity limit testing arrangement of digital power amplifier circuit which characterized by: including mount pad (1), voltage regulator (2), link (3), motor (4), lead screw (5), guide post (6), transparent visor (7) and protection machanism (8), mount pad (1) left part upside joint has voltage regulator (2), mount pad (1) right back portion upside is connected with link (3), be connected with motor (4) on link (3), connect lead screw (5) on motor (4) output shaft, lead screw (5) are connected with mount pad (1) rotary type, mount pad (1) top is connected with three guide post (6), sliding connection has transparent visor (7) between guide post (6), transparent visor (7) right back portion and lead screw (5) threaded connection, be equipped with protection machanism (8) on transparent visor (7).
2. The overload capability limit test device of a digital power amplifier circuit according to claim 1, wherein: protection machanism (8) are including mounting bracket (81), carbon dioxide fire extinguisher (82) and connecting pipe (83), and two upsides all are connected with mounting bracket (81) about transparent visor (7), and equal joint has carbon dioxide fire extinguisher (82) on mounting bracket (81), all is connected with connecting pipe (83) between carbon dioxide fire extinguisher (82) and transparent visor (7).
3. The overload capability limit test device of a digital power amplifier circuit according to claim 2, wherein: still including fixed establishment (9), fixed establishment (9) are including guide block (91), spring (92) and fixed block (93), both sides all sliding type connection has guide block (91) around the top in mount pad (1), all be connected with a plurality of fixed blocks (93) on one side that guide block (91) are close to each other, fixed block (93) and mount pad (1) sliding type connection, all be connected with a plurality of springs (92) between guide block (91) and mount pad (1).
4. The overload capability limit test device of a digital power amplifier circuit according to claim 1, wherein: the guide posts (6) and the motor (4) are combined to form a square distribution.
5. The overload capability limit test device of a digital power amplifier circuit according to claim 1, wherein: the bottom of the mounting seat (1) is provided with an antiskid pad.
6. The overload capability limit test device of a digital power amplifier circuit according to claim 3, wherein: the fixed blocks (93) are six in total.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222968890.8U CN218886075U (en) | 2022-11-08 | 2022-11-08 | Overload capacity limit testing device of digital power amplifier circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222968890.8U CN218886075U (en) | 2022-11-08 | 2022-11-08 | Overload capacity limit testing device of digital power amplifier circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218886075U true CN218886075U (en) | 2023-04-18 |
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ID=85944294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222968890.8U Active CN218886075U (en) | 2022-11-08 | 2022-11-08 | Overload capacity limit testing device of digital power amplifier circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218886075U (en) |
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2022
- 2022-11-08 CN CN202222968890.8U patent/CN218886075U/en active Active
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