Product reliability testing device

Abstract

The utility model relates to a product reliability testing device, which comprises an external structure and an internal circuit, and is characterized in that the external structure comprises a shell, and a power interface, a pickup module power switch, an RF module power switch, a pickup module and RF module dual 2.5 mm interface, a voice module switch and a voice module USB interface which are arranged on the side surface of the shell; the pickup module placing bracket and the RF module placing position are arranged at the top of the shell; the internal circuit comprises a power supply module, an STC51 single-chip microcomputer, an MPU module, a voice playing module, a signal processing unit, a pickup ammeter, an RF ammeter, a pickup module LED lamp, an RF induction coil rectification circuit and an RF module LED lamp. Compared with the prior art, the test efficiency and the accuracy of test results can be further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to product testing technical field especially a kind of product reliability testing device. BACKGROUND

[0002] The pickup module is mainly used for collecting voice signals, and the RF (Radio Frequency) module is mainly used for realizing wireless data transmission and communication. Both have their own emphasis on function and application scenario, but are indispensable important components in modern electronic devices and systems. Both pickup module and RF module need to be strictly tested for reliability during production to ensure the performance and reliability of the product under certain conditions. Through the corresponding reliability testing device, problems and defects in the product can be found out, so that improvement and optimization can be carried out in time to improve the quality and reliability of the product and reduce the cost of failure and maintenance.

[0003] However, the existing reliability testing device cannot determine whether a single pickup module is working, and cannot control the sound source and sound field intensity, so it cannot fully meet the reliability testing needs of pickup module. In addition, the existing reliability testing device cannot observe the state in real time when the RF module is working, and cannot monitor the product working current in real time. Therefore, a reliability testing device needs to be redesigned to further improve the efficiency of testing and the accuracy of test results. UTILITY MODEL CONTENT

[0004] The utility model aims at overcoming the defects of the prior art and provides a product reliability testing device to further improve the efficiency of testing and the accuracy of test results.

[0005] The utility model can achieve the purpose by the following technical solutions.

[0006] The utility model provides a product reliability testing device, which comprises an external structure and an internal circuit, wherein the external structure comprises a shell, a power supply interface arranged on the side surface of the shell, a pickup module power supply switch, an RF module power supply switch, a pickup module and RF module double 2.5mm interface, a voice module switch and a voice module USB interface arranged on the top of the shell, and a pickup module placing support and an RF module placing place arranged on the top of the shell.

[0007] The internal circuit comprises a power supply module, an STC51 single-chip microcomputer, an MPU module, a voice playing module, a signal processing unit, a pickup ammeter, an RF ammeter, a pickup module LED lamp, an RF induction coil rectifier circuit and an RF module LED lamp.

[0008] An external power supply is connected to the power module through the power interface, and the connection between the external power supply and the power module is controlled by the power switch. The STC51 microcontroller, MPU module, voice playback module, signal processing unit, pickup ammeter, RF ammeter, pickup module LED, and RF module LED are all connected to the power module, and the connection between the voice playback module and the power module is controlled by the pickup module power switch. The STC51 microcontroller, MPU module, signal processing unit, pickup ammeter, RF ammeter, and RF induction coil rectifier circuit are all connected to the dual 2.5mm interfaces of the pickup module and RF module, and the connection between the MPU module and the dual 2.5mm interfaces of the pickup module and RF module is controlled by the RF module power switch. The voice playback module is also connected to the voice module USB interface, and the connection between the voice playback module and the voice module USB interface is controlled by the voice module switch. The signal processing unit is also connected to the pickup module LED, and the RF induction coil rectifier circuit is also connected to the RF module LED.

[0009] Furthermore, the external structure also includes a power indicator light located on the side of the housing.

[0010] Furthermore, the external structure also includes an external expansion interface located on the side of the housing, which is connected to the MPU module.

[0011] Furthermore, the external structure also includes a speaker located on the side of the housing, and the speaker is connected to the voice playback module.

[0012] Furthermore, the RF module placement area has a groove that matches the RF module to be tested.

[0013] Furthermore, the number of the dual 2.5mm interfaces of the microphone module and RF module, the number of LEDs of the microphone module, the number of RF induction coil rectifier circuits, and the number of LEDs of the RF module are all 20.

[0014] Furthermore, the power module is compatible with a 5V DC external power supply.

[0015] Furthermore, the bottom of the housing is provided with a self-locking pulley.

[0016] Furthermore, the housing is constructed based on bakelite panels.

[0017] Furthermore, the housing comprises six of the aforementioned bakelite panels.

[0018] Compared with the prior art, the present invention has the following advantages:

[0019] 1. The microphone module and RF module to be tested are connected to this utility model through dual 2.5mm interfaces of the microphone module and RF module respectively, and are controlled by their respective power switches. This utility model can perform reliability tests on the microphone module and RF module separately, or test the microphone module and RF module simultaneously. In this utility model, the working status and working current of each module can be accurately monitored in real time through the corresponding LED lights and ammeters. The voice unit module can preset the voice signal content and sound field intensity required for reliability testing, fully meeting the needs of reliability testing, improving the reliability of test results and the convenience of test operation.

[0020] 2. The present invention has a self-locking pulley at the bottom of the housing, which improves the flexibility of the device; the housing is built on bakelite panel, which has good insulation and wear resistance, which helps to ensure the safety of the testing process and improve the accuracy of the test results. Attached Figure Description

[0021] Figure 1 This is the first front view of the external structure of this utility model;

[0022] Figure 2 This is a second front view of the external structure of this utility model;

[0023] Figure 3 This is a schematic diagram of the internal circuit of this utility model;

[0024] Explanation of reference numerals in the attached diagram: 101, Power interface; 102, Power indicator light; 103, Power switch for the microphone module; 104, Power switch for the RF module; 105, Stand for the microphone module; 106, Placement area for the RF module; 107, Voice module switch; 108, USB interface for the voice module; 109, External expansion interface; 110, Speaker; 111, Bakelite panel; 112, Dual 2.5mm jacks for both the microphone module and the RF module;

[0025] 201. Power supply module; 202. STC51 microcontroller; 203. MPU module; 204. Voice playback module; 205. Sound pickup ammeter; 206. Signal processing unit; 207. RF ammeter; 208. Sound pickup module LED; 209. RF induction coil rectifier circuit; 210. RF module LED. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some, not all, of the embodiments of the present utility model. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of the present utility model.

[0027] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the utility model product is in use. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. For example, "horizontal" simply means that its direction is more horizontal than "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0028] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0029] Example:

[0030] This embodiment provides a product reliability testing device, including an external structure and internal circuitry. For example... Figure 1 and Figure 2As shown, the external structure includes a housing and power interface 101, power indicator light 102, microphone module power switch 103, RF module power switch 104, external expansion interface 109, speaker 110, dual 2.5mm interfaces 112 for the microphone module and RF module, voice module switch 107, and voice module USB interface 108 located on the side of the housing, as well as a microphone module placement bracket 105 and an RF module placement area 106 located on the top of the housing. The microphone module placement bracket 105 is used to place the microphone module to be tested, and the RF module placement area 106 is used to place the RF module to be tested. In a preferred embodiment, the RF module placement area 106 has a groove that matches the RF module to be tested to ensure the stability of the RF module to be tested during the testing process. The housing is constructed based on six bakelite panels 111. The bakelite panels have good insulation and wear resistance, which helps to ensure the safety of the testing process and improve the accuracy of the test results. In a preferred embodiment, the bottom of the housing is provided with self-locking pulleys to improve the flexibility of the device. In this embodiment, 20 microphone modules and RF modules with dual 2.5mm interfaces 112 are provided.

[0031] like Figure 3 As shown, the internal circuitry includes a power supply module 201, an STC51 microcontroller 202, an MPU module 203, a voice playback module 204, a signal processing unit 206, a pickup ammeter 205, an RF ammeter 207, pickup module LEDs 208, an RF induction coil rectifier circuit 209, and an RF module LED 210. In this embodiment, the number of pickup module LEDs 208, RF induction coil rectifier circuit 209, and RF module LEDs 210 are all 20, enabling simultaneous detection of 20 RF modules and / or 20 pickup modules.

[0032] A 5V DC external power supply is connected to the power module 201 via power interface 101. Power switch 103 is used to control the connection between the external power supply and the power module 201. STC51 microcontroller 202, MPU module 203, voice playback module 204, signal processing unit 206, pickup ammeter 205, RF ammeter 207, pickup module LED 208, and RF module LED 210 are respectively connected to the power module 201. The connection between the voice playback module 204 and the power module 201 is controlled by the pickup module power switch 103. The STC51 microcontroller 202, MPU module 203, signal processing unit 206, pickup ammeter 205, RF ammeter 207, and RF induction coil rectifier circuit 210 are connected to the pickup module and RF module dual 2.5mm interfaces 112, respectively. The RF module power switch 104 controls the connection between the MPU module 203 and the pickup module / RF module dual 2.5mm interfaces 112. The MPU module 203 is also connected to an external expansion interface 109, which can meet a wider range of application scenarios and needs, such as supporting network connections or wireless transmission. The voice playback module 204 is also connected to the voice module USB interface 108 and the speaker 110, and the connection between the voice playback module 204 and the voice module USB interface 108 is controlled by the voice module switch 107. The signal processing unit 206 is also connected to the pickup module LED 208, and the RF induction coil rectifier circuit 209 is also connected to the RF module LED 210.

[0033] The working process of the above-mentioned device is as follows:

[0034] First, insert the microphone module and RF module to be tested into the dual 2.5mm interfaces 112 of the microphone module and RF module, hang the microphone module to be tested on the microphone module placement bracket 105, and place the RF module to be tested in the RF module placement area 106. Then, insert the 5V DC adapter into the power interface 101, and the power indicator light 102 will light up.

[0035] To test the pickup module, press the pickup module power switch 103 and the voice module switch 107. The voice playback module 204 drives the speaker 110 to emit a preset sound source. The STC51 microcontroller 202 outputs the CLK required for the pickup module to work. The pickup module under test works and outputs a signal to the signal processing unit 206. After receiving the signal, the signal processing unit 206 controls the pickup module LED 208 to flash. At this time, the working current of the pickup module under test can be observed on the pickup ammeter 205.

[0036] To test the RF module, press the RF module power switch 104. The MPU module 203 outputs the signal required for the RF module to work. The RF module to be tested works and outputs a signal to the RF induction coil rectifier circuit 209. After the RF induction coil rectifier circuit 209 senses the signal, it lights up the RF module indicator light 210. At this time, the working current of the RF module to be tested can be observed on the RF module ammeter 207.

[0037] After completing the reliability tests of all modules to be tested, disconnect the corresponding power switch and remove the test product.

[0038] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any person skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope disclosed in this utility model, and these modifications or substitutions should all be covered within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims.

Claims

1. A product reliability testing device, characterized in that, It includes an external structure and an internal circuit. The external structure includes a housing and a power interface (101), a microphone module power switch (103), an RF module power switch (104), a dual 2.5mm interface (112) for the microphone module and the RF module, a voice module switch (107), and a voice module USB interface (108) located on the side of the housing, as well as a microphone module placement bracket (105) and an RF module placement area (106) located on the top of the housing. The internal circuitry includes a power supply module (201), an STC51 microcontroller (202), an MPU module (203), a voice playback module (204), a signal processing unit (206), a pickup ammeter (205), an RF ammeter (207), a pickup module LED (208), an RF induction coil rectifier circuit (209), and an RF module LED (210). An external power supply is connected to the power module (201) through the power interface (101), and the connection between the external power supply and the power module (201) is controlled by the power switch (103). The STC51 microcontroller (202), MPU module (203), voice playback module (204), signal processing unit (206), pickup ammeter (205), RF ammeter (207), pickup module LED (208), and RF module LED (210) are respectively connected to the power module (201), and the connection between the voice playback module (204) and the power module (201) is controlled by the pickup module power switch (103). The STC51 microcontroller (202), MPU module (203), signal processing unit (206), and pickup ammeter are all connected to the power module (201). (205), RF ammeter (207) and RF induction coil rectifier circuit (210) are respectively connected to the pickup module and the dual 2.5mm interface (112) of the RF module, and the connection between the MPU module (203) and the dual 2.5mm interface (112) of the pickup module and the RF module is controlled by the RF module power switch (104); the voice playback module (204) is also connected to the voice module USB interface (108), and the connection between the voice playback module (204) and the voice module USB interface (108) is controlled by the voice module switch (107); the signal processing unit (206) is also connected to the pickup module LED (208), and the RF induction coil rectifier circuit (209) is also connected to the RF module LED (210).

2. The product reliability testing device according to claim 1, characterized in that, The external structure also includes a power indicator light (102) located on the side of the housing.

3. The product reliability testing device according to claim 1, characterized in that, The external structure also includes an external expansion interface (109) located on the side of the housing, which is connected to the MPU module (203).

4. The product reliability testing device according to claim 1, characterized in that, The external structure also includes a speaker (110) disposed on the side of the housing, the speaker (110) being connected to the voice playback module (204).

5. The product reliability testing device according to claim 1, characterized in that, The RF module placement area (106) has a groove that matches the RF module to be tested.

6. The product reliability testing device according to claim 1, characterized in that, The number of the dual 2.5mm interfaces (112) of the pickup module and RF module, the number of LEDs (208) of the pickup module, the number of RF induction coil rectifier circuits (209) and the number of LEDs (210) of the RF module are all 20.

7. The product reliability testing device according to claim 1, characterized in that, The power module (201) is compatible with a 5V DC external power supply.

8. The product reliability testing device according to claim 1, characterized in that, The bottom of the housing is equipped with a self-locking pulley.

9. The product reliability testing device according to claim 1, characterized in that, The housing is constructed based on a bakelite panel (111).

10. A product reliability testing device according to claim 9, characterized in that, The housing comprises six of the aforementioned bakelite panels (111).

Images