Sound aging test cabinet circuit and test cabinet
By designing the circuit for the audio aging test cabinet, using a Bluetooth module and a four-channel amplifier to control the on/off state of the audio, and combining a detection module and a sound sensor to achieve automated testing, the problem of low efficiency in wired and wireless audio aging tests is solved, thus improving production efficiency.
Patent Information
- Application Number
- CN202422774071.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-14
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2034-11-14
AI Technical Summary
In existing technologies, aging tests for wired and wireless speakers cannot be performed simultaneously, and the testing efficiency is low, requiring manual judgment and affecting production efficiency.
A circuit for an audio aging test cabinet was designed, including an access module, a detection module, and a control module. The Bluetooth module and four amplifiers are used to control the on/off state of the Bluetooth speaker and the wired speaker respectively. The detection module automatically detects the speaker status, and the data is transmitted to the host computer for judgment. Combined with the sound sensor, automated detection is achieved.
It has enabled automated testing of Bluetooth and wired speakers, improving testing and production efficiency and reducing manual intervention.
Smart Images

Figure CN223816237U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to test cabinet manufacturing technical field especially relates to a sound aging test cabinet circuit and test cabinet. BACKGROUND
[0002] In order to ensure that the quality of the produced sound is reliable, in the production process of the sound, often needs to carry out aging test, such as discharging and then charging, repeatedly testing, to ensure the quality of the sound.
[0003] In the prior art, wired sound test and wireless sound test are usually separately aged and tested, need to judge the working state of the sound by artificial, cannot realize automation, and the test efficiency is low, which is not conducive to production efficiency. UTILITY MODEL CONTENT
[0004] The utility model discloses to overcome the problem that wired sound and bluetooth sound cannot simultaneously carry out aging test and the test efficiency is low, and production is not facilitated, and provides a sound aging test cabinet circuit and test cabinet.
[0005] To realize the above-mentioned purpose, the utility model provides the following technical scheme: a sound aging test cabinet circuit, including access module, detection module and control module, the control module includes host computer, the access module includes bluetooth module and four way amplifier, the bluetooth module is used to control the on-off of bluetooth sound audio input, four way amplifier is connected to wired sound at least, the detection module is used for detecting the working state of bluetooth sound and wired sound, and the detection module output end is connected to host computer.
[0006] The sound aging test cabinet circuit as described above, the control module further includes a relay module, the host computer output audio line, the relay communication module of the relay module is connected to the host computer, and the relay communication module is used to control the on-off of the audio line.
[0007] The sound aging test cabinet circuit as described above, including power module, the power module includes 220V power supply and 24V power supply, the control end of relay communication module is connected with the contact of time relay TM1, and is connected to 24V power supply, the VCC end of relay communication module is connected with 24V power supply, and the GDN end of relay communication module is grounded.
[0008] The sound aging test cabinet circuit as described above, the control module further comprises a control circuit, the control circuit comprises a start button S1 and an emergency stop button S2, the start button S1 is connected to the power line, the output end of the start button S1 is connected to the input end of the emergency stop button S2, and the output end of the emergency stop button S2 is connected with the coil of the time relay TM1 and the coil of the alternating current contactor KM1, and the coil of the time relay TM1 and the coil of the alternating current contactor KM1 are connected in parallel to the ground end.
[0009] The control module further comprises a stop button S3, and the output end of the stop button S3 is connected with the contact of the first alternating current contactor KM1.
[0010] The sound aging test cabinet circuit as described above, the control module further comprises a control circuit, the control circuit comprises a start button S1 and an emergency stop button S2, the start button S1 is connected to the power line, the output end of the start button S1 is connected to the input end of the emergency stop button S2, and the output end of the emergency stop button S2 is connected with the coil of the time relay TM1 and the coil of the alternating current contactor KM1, and the coil of the time relay TM1 and the coil of the alternating current contactor KM1 are connected in parallel to the ground end.
[0011] The sound aging test cabinet circuit as described above, the detection module comprises a sound sensor, and the sound sensor is used for detecting vibration of sound and converting into a voltage signal and transmitting to an upper computer for judgment.
[0012] The sound aging test cabinet circuit as described above, the control module further comprises a control circuit, the control circuit comprises a start button S1 and an emergency stop button S2, the start button S1 is connected to the power line, the output end of the start button S1 is connected to the input end of the emergency stop button S2, and the output end of the emergency stop button S2 is connected with the coil of the time relay TM1 and the coil of the alternating current contactor KM1, and the coil of the time relay TM1 and the coil of the alternating current contactor KM1 are connected in parallel to the ground end.
[0013] A test cabinet comprises a sound aging test cabinet circuit and a cabinet body, the cabinet body comprises two opposite side plates, a plurality of partition plates are arranged between the two side plates, the plurality of partition plates are distributed at intervals, and a Bluetooth module, a four-way amplifier and a sound sensor are arranged on the partition plates.
[0014] The test cabinet as described above, four Bluetooth modules, one four-way amplifier and at least four sound sensors are arranged on each partition plate, and the sound sensors are located at the front end of a sound emitting port.
[0015] Compared with the prior art, the beneficial effects of the technical scheme are that: after the structure of the utility model is adopted, since the access module comprises a Bluetooth module and a four-way amplifier, the Bluetooth module is connected to the Bluetooth sound equipment for controlling the on-off of the Bluetooth sound equipment, the four-way amplifier is connected to the wired sound equipment, and the detection module can detect the Bluetooth sound equipment and the wired sound equipment, and the detected data is transmitted to the upper computer for judgment, that is, the detection of the Bluetooth sound equipment and the wired sound equipment is realized, manual detection is not needed, and the detection efficiency and production efficiency are greatly improved.
[0016] Additional aspects and advantages of the utility model will be partially given in the following description, some of which will become apparent from the following description, or be understood through practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.
[0018] Figure 1 The electrical principle of the utility model Figure 1 ;
[0019] Figure 2 The electrical principle of the utility model Figure 2 ;
[0020] Figure 3 The electrical principle block diagram of the utility model;
[0021] Figure 4 The perspective view of the utility model;
[0022] Figure 5 The front view of the utility model. DETAILED DESCRIPTION
[0023] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only some embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0024] As Figures 1 to 3The circuit of the sound aging test cabinet shown comprises an access module 1, a detection module 2 and a control module 4, the control module 4 comprises a host computer 42, the access module 1 comprises a Bluetooth module 11 and a four-way amplifier 12, the Bluetooth module 11 is used for controlling the on-off of the Bluetooth sound audio input, the four-way amplifier 12 is connected to at least a wired sound, the detection module 2 is used for detecting the working state of the Bluetooth sound and the wired sound, and the output end of the detection module 2 is connected to the host computer 42. After the structure of the utility model is adopted, since the access module comprises a Bluetooth module and a four-way amplifier, the Bluetooth module is connected to the Bluetooth sound for controlling the on-off of the Bluetooth sound, the four-way amplifier is connected to the wired sound, and the detection module can detect the Bluetooth sound and the wired sound, and the detected data is transmitted to the host computer for judgment, that is, the detection of the Bluetooth sound and the wired sound is realized, manual detection is not needed, and the detection efficiency and the production efficiency are greatly improved.
[0025] As a specific embodiment but not limitation, the control module 4 further comprises a relay module 41, the host computer 42 outputs an audio line, the relay module 41 comprises a relay communication module 411 connected to the host computer 42, and the relay communication module 411 is used for controlling the on-off of the audio line. The audio line is output from the host computer 42 and connected to the input end of the relay communication module 41, the working of the relay communication module 41 is controlled through the host computer 42, preferably, the communication mode of the relay communication module 41 and the host computer is MODBUS communication, the audio line is output from the relay communication module 42 and connected to the four-way amplifier 12, the four-way amplifier is connected to the wired sound, and the playing of the wired sound is controlled by adopting the host computer 42 to control the relay communication module 41.
[0026] Further, in order to realize the timing function of the system, the control module 4 further comprises a control circuit 43, the control circuit 43 comprises a start button S1 and an emergency stop button S2, the start button S1 is connected to a power line, the output end of the start button S1 is connected to the input end of the emergency stop button S2, the output end of the emergency stop button S2 is connected to the coil of a time relay TM1 and the coil of an alternating current contactor KM1, and the coil of the time relay TM1 and the coil of the alternating current contactor KM1 are connected in parallel to a ground end.
[0027] The power module 3 includes 220V power supply and 24V power supply, the control end of the relay communication module 411 is connected with the contact of the time relay TM1 and connected to the 24V power supply, the VCC end of the relay communication module 411 is connected to the 24V power supply, and the GDN end of the relay communication module 411 is grounded. After the system is started, the start button S1 is pressed, the coil of the time relay TM1 is energized, the contact of the time relay TM1 is connected, the relay communication module 411 starts to work, and then the playing of the sound is controlled. After the timing is over, the contact of the time relay TM1 is disconnected, the relay communication module 411 stops working, and the sound playing is over. At the same time when the start button is pressed, the coil of the alternating current contactor KM1 is energized, the contact of the second alternating current contactor KM1 is connected at this time, and the system can be powered on.
[0028] Further, in order to realize the self-locking of the alternating current contactor KM1, the control module 4 further includes a stop button S3, the output end of the stop button S3 is connected with the contact of the first alternating current contactor KM1, and the output end of the contact of the first alternating current contactor KM1 is connected to the output end of the coil of the time relay TM1. The stop button S3 is a normally closed button, after the start button is pressed, the coil of the alternating current contactor KM1 is energized, the contact of the first alternating current contactor KM1 is closed to realize the self-locking function.
[0029] As a specific embodiment, the power module 3 is connected with the total switch QF1, the contact of the second alternating current contactor KM1 and the switches QF2-QF6, the output end of the power module 3 is connected to the input end of the total switch QF1, the total switch QF1 is used for controlling the on-off of the total circuit, the output end of the total switch QF1 is connected to the input end of the contact of the alternating current contactor KM1, the output end of the contact of the second alternating current contactor KM1 is connected to the input end of the switches QF2-QF6, the output end of the switches QF2-QF6 is connected to the input end of the access module 1, and the switches QF2-QF6 are used for controlling the on-off of the plurality of access modules 1 respectively. The total switch QF1 controls the total on-off of the system, preferably, the total switch QF1 is selected as an air switch, which can better protect the system circuit, and the switches QF2-QF6 are switches of each branch, which can be controlled respectively.
[0030] Further, in order to carry out automatic detection, the detection module 2 comprises a sound sensor 21 for detecting the vibration of sound and converting into a voltage signal transmitted to the host computer for judgment. In the application, the sound sensor 21 adopts a high directional sound sensor, a laser sound sensor, preferably a laser sound sensor. The laser sound sensor emits a laser beam. When the laser beam meets the sound wave in the air, the density of the air changes due to the existence of the sound wave, thereby causing the change of the optical path difference on the laser propagation path. The change is received by the sensor and converted into an electrical signal, which is transmitted to the host computer for judgment, thereby realizing the detection of sound. The mutual influence between the speakers during batch detection can be avoided.
[0031] As a specific implementation mode, a heat dissipation module 6 is arranged between the total switch QF1 and the contacts of the second AC contactor KM1, and the heat dissipation module 6 is used for heat dissipation of the system.
[0032] As shown in Figures 4 to 5 A test cabinet, comprising a speaker aging test cabinet circuit and a cabinet body, the cabinet body comprises two opposite side plates, a plurality of partition plates are arranged between the two side plates, the partition plates are distributed at intervals, and a Bluetooth module, a four-way amplifier and a sound sensor are arranged on the partition plates. The cabinet 5 has five layers, and four Bluetooth modules 11, at least four sound sensors and a four-way amplifier 12 are arranged on each partition plate 52 of the cabinet 5, forming four workstations. The Bluetooth speaker and the wired speaker are placed on the workstations of the partition plates for testing.
[0033] Further, in order to dissipate heat from the cabinet 5, the side plate 51 is provided with a plurality of heat dissipation fans 61, which are used to dissipate heat from the test cabinet during operation of the test cabinet.
[0034] The principle of the utility model is as follows: when it is necessary to detect the speaker, the total switch QF1 is turned on, then the switches QF2-QF6 are turned on, the start button S1 is pressed, the coil of the AC contactor KM1 is energized, at this time, the contacts of the AC contactor KM1 are closed, the input module is energized, thereby the Bluetooth module and the four-way amplifier start to work, the Bluetooth module is connected to the Bluetooth speaker, the four-way amplifier is connected to the wired speaker, the audio line is output from the host computer, and the output is communicated to the relay communication module. The host computer communicates with the relay communication module to control the relay communication module to be connected, so that the audio signal is input from the audio line to the speaker, the speaker is controlled to play, the IN end of the relay communication module is also connected with the contacts of the time relay TM1, after the start button is pressed, the contacts of the time relay TM1 are closed, after the timing time is over, the contacts of the time relay TM1 are disconnected, the relay communication module stops working, and the timing control is realized. The sound sensor detects the speaker, converts the sound signal into an electrical signal and transmits it to the host computer for judgment.
[0035] Optionally, such as Figure 3 As shown, the audio cable of the four-channel amplifier can be connected to the Bluetooth speaker. The audio cable is output from the host computer to the relay communication module. The host computer communicates with the relay communication module and controls the relay communication module to turn on, so that the audio signal is input from the audio cable into the four-channel amplifier, processed, and then transmitted to the Bluetooth speaker to control the playback of the Bluetooth speaker. There is no need to use a Bluetooth module to control the Bluetooth speaker.
[0036] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
Claims
1. An audio burn-in test cabinet circuit, comprising: It includes access module (1), detection module (2) and control module (4), the control module (4) includes host computer (42), the access module (1) includes Bluetooth module (11) and four-way amplifier (12), the Bluetooth module (11) is used to control the on-off of Bluetooth audio frequency input, the four-way amplifier (12) is connected to wired audio at least, the detection module (2) is used to detect the working state of Bluetooth audio and wired audio, the output end of detection module (2) is connected to host computer (42).
2. The sound aging test cabinet circuit of claim 1, wherein, The control module (4) further includes relay module (41), the output of the host computer (42) has audio line, the relay module (41) includes relay communication module (411) connected to the host computer (42), the relay communication module (411) is used to control the on-off of audio line.
3. The sound aging test cabinet circuit of claim 2, wherein, It includes power module (3), the power module (3) includes 220V power supply and 24V power supply, the control end of the relay communication module (411) is connected with the contact of time relay TM1, and is connected to 24V power supply, the VCC end of the relay communication module (411) is connected with 24V power supply, and the GDN end of the relay communication module (411) is grounded.
4. The sound aging test chamber circuit of claim 2, wherein, The control module (4) further includes control circuit (43), the control circuit (43) includes start button S1 and emergency stop button S2, the start button S1 is connected to power line, the output end of the start button S1 is connected with the coil of time relay TM1, the output end of the coil of time relay TM1 is connected to the input end of the emergency stop button S2, the output end of the emergency stop button S2 is connected with the coil of alternating current contactor KM1, and the output end of the coil of time relay TM1 is connected to the ground end.
5. The sound aging test cabinet circuit of claim 4, wherein, The control module (4) further includes stop button S3, the output end of the stop button S3 is connected with the contact of the first alternating current contactor KM1, and the output end of the contact of the first alternating current contactor KM1 is connected to the output end of the coil of time relay TM1.
6. The sound aging test chamber circuit of claim 3, wherein, The power module (3) and the access module (1) are connected with total switch QF1, the contact of the second alternating current contactor KM1 and switches QF2-QF6, the output end of the power module (3) is connected to the input end of the total switch QF1, the total switch QF1 is used to control the on-off of total circuit, the output end of the total switch QF1 is connected to the input end of the contact of the second alternating current contactor KM1, the output end of the contact of the second alternating current contactor KM1 is connected to the input end of the switches QF2-QF6, and the output end of the switches QF2-QF6 is connected to the input end of the access module (1), the switches QF2-QF6 are used to control the on-off of multiple access modules (1) respectively.
7. The sound aging test chamber circuit of claim 1, wherein, The detection module (2) includes sound sensor (21), the sound sensor (21) is used to detect the vibration of audio and convert into voltage signal transmission to host computer for judging.
8. The sound aging test chamber circuit of claim 6, wherein, The total switch QF1 is provided with a heat dissipation module (6) between the contact of the second AC contactor KM1, and the heat dissipation module (6) is used for heat dissipation of the system.
9. A test cabinet characterized by, The sound aging test cabinet circuit and cabinet (5) comprises two opposite side plates (51), a plurality of partition plates (52) are arranged between the two side plates (51), and the plurality of partition plates (52) are distributed at intervals, and the partition plates (52) are provided with a Bluetooth module (11), a four-way amplifier (12) and a sound sensor (21).
10. The test cabinet of claim 9, wherein, Four Bluetooth modules (11), one four-way amplifier (12) and at least four sound sensors (21) are arranged on each partition plate (52), and the sound sensors (21) are located in front of the sound emitting port.