Circuit multi-jointed board software flashing and detecting device

Abstract

The utility model provides a circuit multi-jointed board software flashing and detecting device, which comprises a machine table, a plurality of conductive parts and a test circuit, and is characterized in that a test station is arranged on the machine table and is used for placing a circuit multi-jointed board; the plurality of conductive parts are arranged in the machine table, one end of each conductive part penetrates through and extends into the test station, and the conductive parts are arranged corresponding to the detection points of each circuit board; the test circuit is arranged in the machine table, one end of each conductive part abuts against a detection point of the corresponding circuit board, the other end of each conductive part is electrically connected with the test circuit, and the test circuit is used for conducting software flashing and testing on the multi-jointed board; according to the device, software programming and load testing can be carried out on the circuit multi-jointed board at the same time, and then the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to circuit multi -puzzle board detection technical field especially relates to a kind of circuit multi -puzzle board software write and detection device. BACKGROUND

[0002] With the rapid development of electronic technology, the integration of electronic products is higher and higher, and the demand for circuit board is also increasing;In order to meet the market demand for diversification, miniaturization and high performance of electronic products, circuit board multi -puzzle board technology emerges as the times require, and circuit board multi -puzzle board, also known as PCB puzzle board, refers to the connection of multiple single circuit boards into a whole board, so as to facilitate subsequent processing, assembly and testing.

[0003] The utility model discloses a kind of intelligent circuit board test equipment for testing multi -puzzle circuit board, including the test module for testing circuit board and the display module for displaying test results, intelligent circuit board test board further includes monitoring module, monitoring module monitors whether there is pre-designated element;The software and FCT detection of PCBA production need to be written after existing, and currently, it is separately completed by two processes and two devices, thereby reducing production efficiency. UTILITY MODEL CONTENT

[0004] Therefore, the utility model provides a kind of circuit multi -puzzle board software write and detection device, can realize the software of circuit multi -puzzle board and load test simultaneously, thereby improve production efficiency.

[0005] The technical scheme of the utility model is realized as follows: the utility model provides a kind of circuit multi -puzzle board software write and detection device, including machine table, several conductive parts and test circuit, wherein,

[0006] Test station is provided on machine table, for placing circuit multi -puzzle board;

[0007] Several conductive parts are arranged in machine table, and one end penetrates and extends into test station, and is correspondingly arranged with the detection point of each circuit board;

[0008] Test circuit is arranged in machine table, and one end of several conductive parts is respectively in abutment with the detection point of each corresponding circuit board, and the other end is electrically connected with test circuit, and test circuit is used to write software and test for multi -puzzle board.

[0009] On the basis of above technical scheme, preferably, the test circuit includes MCU control chip, channel switching module, communication module, connection module and multiple load test modules, wherein,

[0010] The digital output end of the MCU control chip is electrically connected with the digital input end of the channel switching module, the output end of the channel switching module is electrically connected with the software burning interface of each circuit board, and the channel switching module is used for switching the software burning channel.

[0011] The communication end of the MCU control chip is electrically connected with the communication end of the communication module, the output end of the communication module and the corresponding conductive part of each circuit board are electrically connected with one end of the connecting module, the other end of the connecting module is electrically connected with the plurality of load test modules respectively, and the communication module is used for burning software and load testing on the circuit multi-puzzle board.

[0012] On the basis of the above technical scheme, preferably, the channel switching module comprises a first analog switch chip U5, a second analog switch U6 and a third analog switch U7, the digital output end of the MCU control chip is electrically connected with the digital input end of the first analog switch chip U5, the second analog switch U6 and the third analog switch U7 respectively, a plurality of output ends of the first analog switch chip U5 are electrically connected with the power supply end of the software burning interface of each circuit board respectively, a plurality of output ends of the second analog switch U6 are electrically connected with the reset end of the software burning interface of each circuit board respectively, a plurality of output ends of the third analog switch U7 are electrically connected with the burning end of the software burning interface of each circuit board respectively, and the common input end of the first analog switch chip U5, the second analog switch U6 and the third analog switch U7 is electrically connected with the output end of the external burning device.

[0013] On the basis of the above technical scheme, preferably, the communication module comprises a communication chip U2, wherein the data sending end of the MCU control chip is electrically connected with the data sending end of the communication chip U2, the data receiving end of the MCU control chip is electrically connected with the data receiving end of the communication chip U2, and the output end of the communication chip U2 is electrically connected with one end of the connecting module.

[0014] On the basis of the above technical scheme, preferably, each load test module comprises a terminal row J13, a resistor R7, a resistor R10, a resistor R23, a resistor R11, a capacitor C23, a resistor R12, a capacitor C25, a resistor R13 and a capacitor C24, wherein the terminal row J13 is electrically connected with the other end of the connection module, the terminal row J13 has eight connection terminals, the first connection terminal of the terminal row J13 is electrically connected with the resistor R11, the capacitor C23, the resistor R12, the capacitor C25, the resistor R13, the capacitor C24 and the seventh connection terminal respectively, the second connection terminal of the terminal row J13 is electrically connected with the resistor R7, the other end of the resistor R7 is electrically connected with the resistor R10 and the fourth connection terminal of the terminal row J13 respectively, the other end of the resistor R10 is electrically connected with the resistor R23, the other end of the resistor R23 is electrically connected with the third connection terminal of the terminal row J13, the other ends of the resistor R11 and the capacitor C23 are electrically connected with the fifth connection terminal of the terminal row J13 respectively, the other ends of the resistor R12 and the capacitor C25 are electrically connected with the sixth connection terminal of the terminal row J13 respectively, and the other ends of the resistor R13 and the capacitor C24 are electrically connected with the eighth connection terminal of the terminal row J13.

[0015] On the basis of the above technical scheme, preferably, a voltage stabilizing module is further included, the voltage stabilizing module comprises a voltage stabilizing chip U4, a capacitor C11, a capacitor C12, a capacitor C13 and a voltage stabilizing diode D4, the input end of the voltage stabilizing chip U4 is electrically connected with the negative electrode of the voltage stabilizing diode D4, an external DC power supply and the capacitor C11 respectively, the output end of the voltage stabilizing chip U4 is electrically connected with the capacitor C12, the capacitor C13, the positive electrode of the voltage stabilizing diode D4 and a power supply end respectively, the other ends of the capacitor C12, the capacitor C13 and the capacitor C11 and the grounding end of the voltage stabilizing chip U4 are grounded respectively, and the power supply end is electrically connected with the power supply end of the MCU control chip, the communication chip U2 and the communication module and the positive power voltage end of the first analog switch chip U5, the second analog switch U6 and the third analog switch U7 respectively.

[0016] On the basis of the above technical scheme, preferably, a power conversion module is further included, wherein the power conversion module comprises a voltage conversion chip U3, a capacitor C9, a capacitor C6, a capacitor C7, a capacitor C14 and a capacitor C15, the second pin of the voltage conversion chip U3 is electrically connected with the capacitor C9, the other end of the capacitor C9 is electrically connected with the fourth pin of the voltage conversion chip U3, the power input end of the voltage conversion chip U3 is electrically connected with the capacitor C6, the capacitor C7 and an external DC power supply respectively, the power output end of the voltage conversion chip U3 is electrically connected with the capacitor C14, the capacitor C15 and a power supply negative power supply end respectively, the other ends of the capacitor C6, the capacitor C7, the capacitor C14 and the capacitor C15 are grounded, and the power supply negative power supply end is electrically connected with the negative power voltage end of the first analog switch chip U5, the second analog switch U6 and the third analog switch U7 respectively.

[0017] On the basis of the above technical scheme, preferably, the pressing mechanism is arranged on the machine table, and the pressing mechanism has a pressing end that can move linearly towards the test station, and the pressing end is used to fix the position of the multi-board when moving towards the test station.

[0018] On the basis of the above technical scheme, preferably, the pressing mechanism comprises a pushing member, a mounting plate and a plurality of pressing members, wherein the pushing member is arranged on the machine table and is arranged opposite to the test station, the mounting plate is fixed on the piston end of the pushing member, the plurality of pressing members are fixed on the side of the mounting plate away from the pushing member, and the positions of the pressing members correspond to the positions of the circuit boards respectively, and the pressing members serve as the pressing end of the pressing mechanism.

[0019] On the basis of the above technical scheme, preferably, the pressing mechanism further comprises at least two telescopic cylinders, the at least two telescopic cylinders are fixed on the machine table, the telescopic end of the telescopic cylinder is fixed with the mounting plate, and the at least two telescopic cylinders are symmetrically arranged on the two sides of the pushing member.

[0020] The circuit multi-board software writing and detection device has the following beneficial effects compared with the prior art:

[0021] (1) The conductive part corresponding to each circuit board detection point is arranged on the bottom, the metal probe leads to the test circuit at the bottom, and the test circuit is used for burning software and load testing on the circuit multi-board, thereby improving the production efficiency;

[0022] (2) The channel switching module is arranged to realize channel switching of the software burning interface of the plurality of circuit boards, so that the external burning device can sequentially burn software on each circuit board, thereby improving the production efficiency;

[0023] (3) The MCU control chip is electrically connected with the connection module through the communication module, and the conductive part of each circuit board test point and the ballast test module are electrically connected with the connection module, so that simultaneous ballast testing of each circuit board can be realized, thereby improving the testing efficiency;

[0024] (4) The pushing member is used to push the pressing member to move towards the test station and abut against the surface of the circuit multi-board, thereby fixing the position, ensuring that the circuit multi-board can maintain a stable position during testing, and avoiding testing errors or damage caused by factors such as vibration and displacement. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the accompanying drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced. Obviously, the accompanying drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0026] Figure 1 It is a perspective view of the circuit multi-panel software writing and detection device of the present application from another angle;

[0027] Figure 2 It is another perspective view of the circuit multi-panel software writing and detection device of the present application;

[0028] Figure 3 It is a front view of the circuit multi-panel software writing and detection device of the present application;

[0029] Figure 4 It is a sectional view of the circuit multi-panel software writing and detection device of the present application at A-A;

[0030] Figure 5 It is a circuit principle block diagram of the circuit multi-panel software writing and detection device of the present application;

[0031] Figure 6 It is a MCU control chip circuit diagram of the circuit multi-panel software writing and detection device of the present application;

[0032] Figure 7 It is a first analog switch chip U5 circuit diagram of the circuit multi-panel software writing and detection device of the present application;

[0033] Figure 8 It is a second analog switch chip U6 circuit diagram of the circuit multi-panel software writing and detection device of the present application;

[0034] Figure 9 It is a third analog switch chip U7 circuit diagram of the circuit multi-panel software writing and detection device of the present application;

[0035] Figure 10 It is a common terminal row circuit diagram of the circuit multi-panel software writing and detection device of the present application;

[0036] Figure 11 It is a communication module circuit diagram of the circuit multi-panel software writing and detection device of the present application;

[0037] Figure 12 It is a connection module circuit diagram of the circuit multi-panel software writing and detection device of the present application;

[0038] Figure 13 The load test module circuit diagram of the circuit multi-panel software writing and detection device of the utility model;

[0039] Figure 14 The voltage stabilizing module circuit diagram of the circuit multi-panel software writing and detection device of the utility model;

[0040] Figure 15 The power conversion module circuit diagram of the circuit multi-panel software writing and detection device of the utility model. DETAILED DESCRIPTION

[0041] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0042] As shown in Figures 1-15 The utility model discloses a circuit multi-panel software writing and detection device, including machine table 1, a plurality of conducting part 2 and test circuit 3, wherein, the machine table 1 is equipped with test station 100 for placing circuit multi-panel, a plurality of conducting part 2 sets up in the machine table 1, and one end penetrates and extends to test station 100, and with each circuit board's detection point position corresponding setting, test circuit 3 sets up in the machine table 1, and a plurality of conducting part 2 one end respectively with corresponding each circuit board's detection point abuts, and the other end all with test circuit 3 electric connection, and test circuit 3 is used to write software and load test to circuit multi-panel.

[0043] It needs to be explained that the inner contour shape of test station 100 matches the shape of circuit multi-panel, can stably place multi-panel, ensures that circuit board does not move or misplace in the writing and detection process, and places circuit multi-panel downward, and the panel uses insulating bakelite material, and according to each circuit board detection point position, the bottom is equipped with corresponding conducting part 2, and conducting part 2 is metal probe, and the metal probe bottom lead is connected to test circuit 3, and test circuit 3 writes software and load test to circuit multi-panel, improves production efficiency.

[0044] As shown in Figure 5As shown, the test circuit 3 in the embodiment includes an MCU control chip 31, a channel switching module 32, a communication module 33, a connection module 34 and a plurality of load test modules 35. The digital output end of the MCU control chip 31 is electrically connected with the digital input end of the channel switching module 32. The output end of the channel switching module 32 is electrically connected with the software burning interface of each circuit board, for switching the software burning channel. The communication end of the MCU control chip 31 is electrically connected with the communication end of the communication module 33. The output end of the communication module 33 and the corresponding conductive part 2 of each circuit board are electrically connected with one end of the connection module 34. The other end of the connection module 34 is electrically connected with the plurality of load test modules 35, for load testing each circuit board.

[0045] As shown in Figure 6 , it should be noted that the model of the MCU control chip 31 is PIC18F45K80. The channel switching module 32 switches the connection with the software burning interface of different circuit boards according to the instruction sent by the MCU control chip 31, so that the test circuit can flexibly select the circuit board to be burned, and the burning efficiency is improved. Each circuit board is connected with the corresponding load test module, and load detection is performed on the circuit board.

[0046] As shown in Figures 7-10 , as a preferred embodiment, the channel switching module 32 in the embodiment includes a first analog switch chip U5, a second analog switch U6 and a third analog switch U7. The digital output end of the MCU control chip 31 is electrically connected with the digital input end of the first analog switch chip U5, the second analog switch U6 and the third analog switch U7. The plurality of output ends of the first analog switch chip U5 are electrically connected with the power supply end of the software burning interface of each circuit board. The plurality of output ends of the second analog switch U6 are electrically connected with the reset end of the software burning interface of each circuit board. The plurality of output ends of the third analog switch U7 are electrically connected with the burning end of the software burning interface of each circuit board. The common input end of the first analog switch chip U5, the second analog switch U6 and the third analog switch U7 is electrically connected with the output end of the external burning device.

[0047] It should be noted that the model of the first analog switch chip U5, the second analog switch U6 and the third analog switch U7 is HEF4051BT. Three analog switch chips are used to realize flexible switching of the software burning interface of multiple circuit boards. The MCU control chip 31 sends a control signal to the three analog switch chips through its digital output end. Each analog switch chip selectively routes the signal at its common input end to one of the output ends according to the received control signal. The MCU control chip 31 can control the power supply, reset and burning signal of the circuit board to be selectively activated, so as to realize the channel switching of the software burning interface of multiple circuit boards.

[0048] The common input terminals of the first analog switch chip U5, the second analog switch U6 and the third analog switch U7 are electrically connected with the output terminal of the external burning device through the common terminal row J5.

[0049] As shown in Figure 11 As a preferred embodiment, the communication module 33 in the embodiment includes a communication chip U2, wherein the data sending terminal of the MCU control chip 31 is electrically connected with the data sending terminal of the communication chip U2, the data receiving terminal of the MCU control chip 31 is electrically connected with the data receiving terminal of the communication chip U2, and the output terminal of the communication chip U2 is electrically connected with one end of the connection module 34.

[0050] It should be noted that the model of the communication chip U2 is TJA1042T / 3, which is a transceiver commonly used for high-speed CAN communication. When the MCU control chip 31 needs to send data, it will send the data to the data sending terminal of the communication chip U2. The communication chip U2 converts the digital signal into a format suitable for transmission and sends it to the connection module 34 through its output terminal. The connection module 34 connects the load test module 35 to perform load testing.

[0051] As shown in Figure 13 As a preferred embodiment, each load test module 35 in the embodiment includes a terminal row J13, a resistor R7, a resistor R10, a resistor R23, a resistor R11, a capacitor C23, a resistor R12, a capacitor C25, a resistor R13 and a capacitor C24, wherein the other end of the terminal row J13 is electrically connected with the other end of the connection module 34. The terminal row J13 has eight connection terminals. The first connection terminal of the terminal row J13 is electrically connected with the resistor R11, the capacitor C23, the resistor R12, the capacitor C25, the resistor R13, the capacitor C24 and the seventh connection terminal, respectively. The second connection terminal of the terminal row J13 is electrically connected with the resistor R7. The other end of the resistor R7 is electrically connected with the resistor R10 and the fourth connection terminal of the terminal row J13, respectively. The other end of the resistor R10 is electrically connected with the resistor R23. The other end of the resistor R23 is electrically connected with the third connection terminal of the terminal row J13. The other ends of the resistor R11 and the capacitor C23 are electrically connected with the fifth connection terminal of the terminal row J13, respectively. The other ends of the resistor R12 and the capacitor C25 are electrically connected with the sixth connection terminal of the terminal row J13, respectively. The other ends of the resistor R13 and the capacitor C24 are electrically connected with the eighth connection terminal of the terminal row J13, respectively.

[0052] It should be noted that the second connection terminal is connected with the resistor R7, the other end of the resistor R7 is connected with the resistor R10 and the fourth connection terminal, which constitutes a simple voltage dividing circuit for adjusting or limiting the current or voltage entering the subsequent circuit, the other end of the resistor R10 is connected with the resistor R23, the other end of the resistor R23 is connected with the third connection terminal, which further expands the voltage dividing circuit for simulating more complex load conditions, the resistor R11, the capacitor C23, the resistor R12, the capacitor C25, the resistor R13 and the capacitor C24 are respectively connected in parallel and then connected with different connection terminals, and this parallel connection mode can be used to simulate a load with both resistive and capacitive properties; when the test signal is input to the terminal row J13 through the connection module 34, the signal will be distributed and processed inside the load test module 35 according to the above connection mode, and the combination of resistors and capacitors will simulate specific load conditions, which will affect the waveform, amplitude or phase characteristics of the test signal; by measuring these characteristics, the performance and stability of the circuit board under different load conditions can be detected.

[0053] It can be understood that during the load test module test, appropriate resistor and capacitor values need to be selected according to the test requirements to ensure that the required load conditions can be accurately simulated.

[0054] As shown in Figure 14 On the basis of the above technical scheme, preferably, it further comprises a voltage stabilizing module 4, the voltage stabilizing module 4 comprises a voltage stabilizing chip U4, a capacitor C11, a capacitor C12, a capacitor C13 and a voltage stabilizing diode D4, the input end of the voltage stabilizing chip U4 is electrically connected with the negative electrode of the voltage stabilizing diode D4, an external DC power supply and the capacitor C11 respectively, the output end of the voltage stabilizing chip U4 is electrically connected with the capacitor C12, the capacitor C13, the positive electrode of the voltage stabilizing diode D4 and a power supply end respectively, the other end of the capacitor C12, the capacitor C13 and the capacitor C11 and the grounding end of the voltage stabilizing chip U4 are grounded respectively, and the power supply end is electrically connected with the power supply end of the MCU control chip 31, the communication chip U2 and the communication module 33 and the positive power voltage end of the first analog switch chip U5, the second analog switch U6 and the third analog switch U7 respectively.

[0055] It should be noted that the voltage regulator module 4 is responsible for providing a stable and reliable power supply to the MCU control chip 31, communication chip U2, communication module 33, and the first analog switch chip U5, the second analog switch U6, and the third analog switch U7 in the system. The input terminal of the voltage regulator chip U4 is connected to the external DC power supply, capacitor C11, and the negative terminal of the Zener diode D4. The external DC power supply provides the voltage regulator chip U4 with the original, potentially unstable, voltage input. Capacitor C11 is used to filter out high-frequency noise in the input voltage. The negative terminal of the Zener diode D4 is connected to the input terminal, and its positive terminal is connected to the output terminal, forming a reverse protection circuit. The output terminal of the voltage regulator chip U4 is connected to capacitors C12 and C13, the positive terminal of the Zener diode D4, and the power supply terminal. The voltage regulator chip U4 outputs the processed stable voltage to these components. Capacitors C12 and C13 are used to filter out high-frequency noise and ripple in the output voltage, improving the smoothness of the output voltage. The positive terminal of the Zener diode D4 is connected to the output terminal, acting as a voltage clamp to prevent the output voltage from being too high.

[0056] like Figure 15 As shown, this embodiment also includes a power conversion module 5, wherein the power conversion module 5 includes a voltage conversion chip U3, capacitors C9, C6, C7, C14, and C15 electrically connected. The second pin of the voltage conversion chip U3 is electrically connected to capacitor C9, and the other end of capacitor C9 is electrically connected to the fourth pin of the voltage conversion chip U3. The power input terminal of the voltage conversion chip U3 is electrically connected to capacitors C6 and C7 and an external DC power supply, respectively. The power output terminal of the voltage conversion chip U3 is electrically connected to capacitors C14 and C15 and the negative power supply terminal, respectively. The other ends of capacitors C6, C7, C14, and C15 are grounded. The negative power supply terminal is electrically connected to the negative power supply voltage terminals of the first analog switch chip U5, the second analog switch U6, and the third analog switch U7, respectively.

[0057] It should be noted that the voltage conversion chip U3 is model LM2662M, and the capacitors C9, C6, C7, C14, and C15 play a filtering and decoupling role in the circuit. They can smooth the fluctuations of input and output voltages, reduce noise interference, and improve the stability of the power supply.

[0058] This embodiment also includes a clamping mechanism 6, which is mounted on the machine base 1 and has a clamping end that can move linearly toward the test station 100. The clamping end moves toward the test station 100 to fix the position of the circuit multi-panel.

[0059] It should be noted that the clamping mechanism 6 is designed to ensure that the circuit multi-panel can maintain a stable position during the test, thereby avoiding test errors or damage caused by factors such as vibration and displacement.

[0060] As a preferred embodiment, the pressing mechanism 6 in the embodiment comprises a pusher 61, a mounting plate 62 and a plurality of pressing members 63, wherein the pusher 61 is arranged on the machine table 1 and opposite to the test station 100, the mounting plate 62 is fixed on the piston end of the pusher 61, and the plurality of pressing members 63 are fixed on the side of the mounting plate 62 away from the pusher 61, and the positions of the pressing members 63 correspond to the positions of the circuit boards respectively, and the pressing members 63 serve as the pressing end of the pressing mechanism 6.

[0061] It should be noted that the pusher 61 is extended and retracted to push the pressing members 63 to move towards the test station 100 and abut against the surface of the circuit multi-puzzle board, so as to fix the position of the circuit multi-puzzle board.

[0062] In addition, the pressing mechanism 6 further comprises at least two telescopic cylinders 64, which are fixed on the machine table 1, and the telescopic end of the telescopic cylinder 64 is fixed with the mounting plate 62, and the at least two telescopic cylinders 64 are symmetrically arranged on both sides of the pusher 61.

[0063] It should be noted that the telescopic cylinders 64 symmetrically arranged on both sides of the pusher 61 can make the mounting plate 62 more stable during movement and the stress more uniform, thereby improving the stability of the structure.

[0064] Working principle:

[0065] Firstly, the circuit multi-puzzle board is placed in the test station 100, and the pusher 61 is extended and retracted to push the pressing members 63 to move towards the test station 100 and abut against the surface of the circuit multi-puzzle board, so as to fix the position of the circuit multi-puzzle board.

[0066] The MCU control chip 31 sends control signals to the three analog switch chips through its digital output end, and each analog switch chip selectively routes the signal at its common input end to one of the output ends according to the received control signal. The MCU control chip 31 can control the power supply, reset and burn-in signals of the circuit board to be selectively activated, so as to realize the channel switching of the software burn-in interface of the plurality of circuit boards, and sequentially burn-in the software of each circuit board through the external burn-in equipment.

[0067] Then, the load test is performed, the MCU control chip 31 sends test instructions to the connection module 34 through the communication module 33, one end of the connection module 34 is electrically connected with the conductive part 2 corresponding to the test point of each circuit board, and the other end is electrically connected with the load test module 35, so as to perform load test on each circuit board.

[0068] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A circuit multi-panel software programming and detection device, characterized in that, Including machine table (1), several conductive parts (2) and test circuit (3), wherein, The machine table (1) is provided with a test station (100) for placing a circuit multi-puzzle board; Several conductive parts (2) are arranged in the machine table (1), and one end penetrates and extends into the test station (100) and is arranged correspondingly with the detection point of each circuit board; The test circuit (3) is arranged in the machine table (1), and one end of the several conductive parts (2) respectively abuts against the detection point of each corresponding circuit board, and the other end is electrically connected with the test circuit (3), and the test circuit (3) is used for software writing and testing of the multi-puzzle board.

2. The circuit multi-panel software programming and detecting device of claim 1, wherein: The test circuit (3) includes MCU control chip (31), channel switching module (32), communication module (33), connection module (34) and multiple load test modules (35), wherein, The digital output end of the MCU control chip (31) is electrically connected with the digital input end of the channel switching module (32), the output end of the channel switching module (32) is electrically connected with the software writing interface of each circuit board, and is used for switching the software writing channel; The communication end of the MCU control chip (31) is electrically connected with the communication end of the communication module (33), the output end of the communication module (33) and the corresponding conductive part (2) of each circuit board are electrically connected with one end of the connection module (34), the other end of the connection module (34) is respectively electrically connected with multiple load test modules (35), and is used for writing software and load testing of the circuit multi-puzzle board.

3. The circuit multi-panel software programming and detecting device of claim 2, wherein: The channel switching module (32) includes first analog switch chip U5, second analog switch U6 and third analog switch U7, the digital output end of the MCU control chip (31) is electrically connected with the digital input end of the first analog switch chip U5, the second analog switch U6 and the third analog switch U7 respectively, a plurality of output ends of the first analog switch chip U5 are respectively electrically connected with the power end of the software writing interface of each circuit board correspondingly, a plurality of output ends of the second analog switch U6 are respectively electrically connected with the reset end of the software writing interface of each circuit board correspondingly, a plurality of output ends of the third analog switch U7 are respectively electrically connected with the writing end of the software writing interface of each circuit board correspondingly, and the common input end of the first analog switch chip U5, the second analog switch U6 and the third analog switch U7 is electrically connected with the external burning device output end.

4. The circuit multi-panel software programming and detecting device of claim 2, wherein: The communication module (33) includes communication chip U2, wherein the data sending end of the MCU control chip (31) is electrically connected with the data sending end of the communication chip U2, the data receiving end of the MCU control chip (31) is electrically connected with the data receiving end of the communication chip U2, and the output end of the communication chip U2 is electrically connected with one end of the connection module (34).

5. The circuit multi-panel software programming and detecting device of claim 4, wherein: The load test module (35) includes terminal row J13, resistor R7, resistor R10, resistor R23, resistor R11, capacitor C23, resistor R12, capacitor C25, resistor R13 and capacitor C24, wherein the other end of the terminal row J13 is electrically connected with the other end of the connection module (34), the terminal row J13 has eight connection terminals, the first connection terminal of the terminal row J13 is electrically connected with the resistor R11, capacitor C23, resistor R12, capacitor C25, resistor R13, capacitor C24 and the seventh connection terminal respectively, the second connection terminal of the terminal row J13 is electrically connected with the resistor R7, the other end of the resistor R7 is electrically connected with the resistor R10 and the fourth connection terminal of the terminal row J13 respectively, the other end of the resistor R10 is electrically connected with the resistor R23, the other end of the resistor R23 is electrically connected with the third connection terminal of the terminal row J13, the other end of the resistor R11 and capacitor C23 is electrically connected with the fifth connection terminal of the terminal row J13 respectively, the other end of the resistor R12 and capacitor C25 is electrically connected with the sixth connection terminal of the terminal row J13 respectively, and the other end of the resistor R13 and capacitor C24 is electrically connected with the eighth connection terminal of the terminal row J13.

6. The circuit multi-panel software programming and detecting device of claim 5, wherein: The voltage stabilizing module (4) includes voltage stabilizing chip U4, capacitor C11, capacitor C12, capacitor C13 and voltage stabilizing diode D4, the input end of the voltage stabilizing chip U4 is electrically connected with the negative electrode of the voltage stabilizing diode D4, external DC power supply and capacitor C11 respectively, the output end of the voltage stabilizing chip U4 is electrically connected with capacitor C12, capacitor C13, positive electrode of the voltage stabilizing diode D4 and power supply end respectively, the other end of the capacitor C12, capacitor C13 and capacitor C11 and the grounding end of the voltage stabilizing chip U4 are grounded respectively, and the power supply end is electrically connected with the power supply end of the MCU control chip (31), communication chip U2 and communication module (33) and the positive power voltage end of the first analog switch chip U5, second analog switch U6 and third analog switch U7 respectively.

7. The circuit multi-panel software programming and detecting device of claim 6, wherein: The power conversion module (5) includes voltage conversion chip U3, capacitor C9, capacitor C6, capacitor C7, capacitor C14 and capacitor C15, the second pin of the voltage conversion chip U3 is electrically connected with the capacitor C9, the other end of the capacitor C9 is electrically connected with the fourth pin of the voltage conversion chip U3, the power input end of the voltage conversion chip U3 is electrically connected with the capacitor C6, capacitor C7 and external DC power supply respectively, the power output end of the voltage conversion chip U3 is electrically connected with the capacitor C14, capacitor C15 and power supply negative power supply end respectively, the other end of the capacitor C6, capacitor C7, capacitor C14 and capacitor C15 is grounded, and the power supply negative power supply end is electrically connected with the negative power voltage end of the first analog switch chip U5, second analog switch U6 and third analog switch U7 respectively.

8. The circuit multi-panel software programming and detecting device of claim 1, wherein: The pressing mechanism (6) is arranged on the machine table (1), and has a pressing end which can move linearly towards the test station (100), and the movement of the pressing end towards the test station (100) fixes the position of the multi-puzzle board.

9. The circuit multi-panel software programming and detecting device of claim 8, wherein: The pressing mechanism (6) comprises a pushing member (61), a mounting plate (62) and a plurality of pressing members (63), wherein the pushing member (61) is arranged on the machine table (1) and is arranged opposite to the test station (100), the mounting plate (62) is fixed on the piston end of the pushing member (61), the plurality of pressing members (63) are fixed on the side of the mounting plate (62) away from the pushing member (61), and the positions of the pressing members (63) correspond to the positions of the circuit boards respectively, and the pressing members (63) serve as the pressing end of the pressing mechanism (6).

10. The circuit multi-panel software programming and detecting device of claim 9, wherein: The pressing mechanism (6) further comprises at least two telescopic cylinders (64), and the at least two telescopic cylinders (64) are fixed on the machine table (1), the telescopic end of the telescopic cylinder (64) is fixed with the mounting plate (62), and the at least two telescopic cylinders (64) are symmetrically arranged on the two sides of the pushing member (61).

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