Detection device suitable for various channel type X-ray security inspection machine electric control circuits

Abstract

The utility model provides a detection device suitable for various channel type X-ray security inspection machine electric control circuits, a fault detection circuit is arranged in a housing, and the housing is provided with an operation panel and a state indication panel; the fault detection circuit is connected with the operation panel and the state indication panel; a power supply of the fault detection circuit is connected with and supplies power to the communication test control unit, the test interface, the operation panel and the state indication panel, the operation panel is connected with the communication test control unit and the test interface, and the test interface is connected with the communication test control unit and the state indication panel. The beneficial effects of the utility model are that the device is reasonable in structural function arrangement, can completely break away from the hardware constraint of a security inspection machine, and achieves the offline test; the detection device is suitable for various X-ray security inspection machine electric control circuits. The testing function is optimized, faults of the electric control circuit to be tested can be positioned during testing, fault analysis, maintenance and replacement of the electric control circuit are facilitated, the production efficiency is improved, and the fault rate is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of electrical control of security inspection machines, and in particular relates to a detection device suitable for electrical control circuits of various channel-type X-ray security inspection machines. Background Art

[0002] X-ray security inspection machines can identify whether there are contraband items hidden in luggage and bags. Security inspection machines are widely used in airports, railway stations, subway stations, bus stations, government buildings, embassies, conference centers, exhibition centers, hotels, shopping malls, large-scale events, post offices, schools, logistics industries, industrial testing and other places to ensure the safety of relevant places. The electronic control circuit of the X-ray security inspection machine is the core component of the X-ray security inspection machine.

[0003] Existing security inspection machine manufacturers usually test the electronic control circuit of X-ray security inspection machines by debugging the whole machine. That is, the electronic control circuit is installed on the security inspection machine, and the whole machine is inspected to analyze and determine whether the electronic control circuit is intact. This method is time-consuming and labor-intensive, and it is impossible to accurately locate the fault point of the electronic control circuit. Utility Model Content

[0004] In order to solve the above problems, the purpose of the utility model is to provide a detection device suitable for the electronic control circuit of various channel-type X-ray security inspection machines.

[0005] A detection device suitable for various channel-type X-ray security inspection machine electronic control circuits, comprising a shell and a fault detection circuit, wherein the fault detection circuit is inside the shell, and is characterized in that an operation panel and a status indication panel are arranged on the shell; the fault detection circuit is connected to the operation panel and the status indication panel.

[0006] Preferably, the fault detection circuit includes a communication test control unit, a test interface and a power supply, the power supply is connected to and supplies power to the communication test control unit, the test interface, the operation panel and the status indication panel, the operation panel is connected to the communication test control unit and the test interface, and the test interface is connected to the communication test control unit and the status indication panel.

[0007] Preferably, the power supply includes an AC / DC conversion module, which converts the AC 220V power of the industrial network into 24VDC, and provides it to the detection device and the detected circuit for use.

[0008] Preferably, the operation panel includes switches and buttons for simulating various working conditions occurring during the use of the X-ray security inspection machine.

[0009] Preferably, the status indication panel includes indicator lights for simulating various execution units and loads of the X-ray security inspection machine and indicating the working status.

[0010] Preferably, the communication test control unit adopts a dedicated control circuit for testing the serial communication of the electronic control circuits of various X-ray security inspection machines.

[0011] Preferably, the test interface includes multiple groups of plugs for establishing physical connections with various electronic control circuits of X-ray security inspection machines to be tested.

[0012] Preferably, the shell adopts a box structure, and the shell includes a box door and a box body connected to each other, the opening angle of the box door and the box body is greater than 180°, and a connecting mechanism is arranged on the back of the box body.

[0013] Preferably, the box door is detachably connected to the box body, and the protection grade of the housing is IP65. The connection mechanism is a hanging ear.

[0014] The box door is connected to the box body via a rotating shaft structure or a buckle structure.

[0015] Preferably, the dedicated control circuit is LZKJ-006.1.

[0016] Beneficial Effects

[0017] The beneficial effects of the utility model are as follows: the structure and function are reasonably arranged, and it is completely free from the hardware constraints of the security inspection machine, realizing offline testing; it has strong applicability and is suitable for detection devices of the electronic control circuits of various X-ray security inspection machines; the functional test is optimized, and the fault of the electronic control circuit to be tested can be located during the test, which is convenient for the later fault analysis and repair and replacement of the electronic control circuit. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a structural block diagram of a detection device suitable for various channel-type X-ray security inspection machine electronic control circuits according to an embodiment of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of a detection device suitable for various channel-type X-ray security inspection machine electronic control circuits according to an embodiment of the utility model;

[0020] Figure 3 This is a three-view diagram of a detection device suitable for various channel-type X-ray security inspection machine electronic control circuits according to an embodiment of the utility model;

[0021] Figure 4 A circuit diagram of a detection device applicable to the electronic control circuits of various channel-type X-ray security inspection machines according to an embodiment of the utility model;

[0022] Figure 5 A circuit diagram of an AC / DC conversion module in a detection device for an electronic control circuit of various channel-type X-ray security inspection machines provided by the embodiment of the utility model;

[0023] Figure 6A circuit diagram of an RS485 communication board in a detection device for an electric control circuit of various channel-type X-ray security inspection machines provided by the embodiment of the utility model;

[0024] Figure 7 This is a circuit diagram of a relay drive circuit in a detection device suitable for various channel-type X-ray security inspection machine electronic control circuits according to an embodiment of the utility model;

[0025] Figure 8 This is a circuit diagram of an MCU control unit for a dedicated control circuit in a detection device for an electronic control circuit of various channel-type X-ray security inspection machines according to an embodiment of the utility model;

[0026] Fig. 9 This is a circuit diagram of a DC24V to DC5V and DC5V to DC3.3V power supply suitable for various channel-type X-ray security inspection machine electric control circuits in the embodiment of the utility model;

[0027] Fig.10 This is an access circuit diagram of a test interface in a detection device for the electronic control circuit of various channel-type X-ray security inspection machines in an embodiment of the utility model, which is connected to a terminal on the electronic control circuit of the X-ray security inspection machine;

[0028] Fig.11 This is an output circuit diagram of a test interface in a detection device for an electronic control circuit of a channel-type X-ray security inspection machine in accordance with an embodiment of the utility model, which is applicable to the connection between a terminal on the electronic control circuit of the X-ray security inspection machine and a terminal on the electronic control circuit of the X-ray security inspection machine;

[0029] Fig.12 A circuit diagram of an RS232 communication board of a detection device for the electronic control circuit of various channel-type X-ray security inspection machines provided in an embodiment of the utility model.

[0030] In the attached figure, 1. waterproof box, 1-1. box door, 1-2. box body, 2. status indicator panel, 3. M32 waterproof connector, 4. M22 waterproof connector, 5. M16 waterproof connector, 6. operation panel, B1. communication test control unit, X1. 24V transition terminal, X2. 0V transition terminal, Y1. transition terminal, P1. power supply. DETAILED DESCRIPTION

[0031] The following is a detailed description of the embodiments of the present utility model in conjunction with the accompanying drawings.

[0032] A detection device suitable for various channel-type X-ray security inspection machine electronic control circuits comprises a shell and a fault detection circuit. The fault detection circuit is inside the shell and an operation panel and a status indication panel are arranged on the shell. The fault detection circuit is connected with the operation panel and the status indication panel.

[0033] The fault detection circuit includes a communication test control unit, a test interface and a power supply. The power supply is connected to the communication test control unit, the test interface, the operation panel and the status indication panel and supplies power. The operation panel is connected to the communication test control unit and the test interface. The test interface is connected to the communication test control unit and the status indication panel.

[0034] The power supply includes an AC / DC conversion module, which converts the AC 220V power of the industrial network into 24VDC and provides it to the detection device and the circuit to be detected.

[0035] The operation panel includes switches and buttons, which are used to simulate various working conditions that occur during the use of the X-ray security inspection machine.

[0036] The status indication panel includes indicator lights for simulating various execution units and loads of the X-ray security inspection machine and indicating the working status.

[0037] The communication test control unit adopts a dedicated control circuit to test the serial communication of the electronic control circuits of various X-ray security inspection machines.

[0038] The test interface includes multiple groups of plugs for establishing physical connection with the electronic control circuits of various X-ray security inspection machines to be tested.

[0039] The outer shell adopts a box structure, and the outer shell includes a box door and a box body connected. The opening angle of the box door and the box body is greater than 180 degrees, and a connecting mechanism is arranged on the back of the box body.

[0040] The door and the main body of the box can be detachably connected; the enclosure protection level is IP65. The connection mechanism is a hanging ear.

[0041] The box door is connected to the box body through a rotating shaft structure or a buckle structure.

[0042] The dedicated control circuit is LZKJ-006.1, and its MCU uses STM32F407VET6.

[0043] Example:

[0044] Figure 1 This is a structural block diagram of a detection device suitable for various channel-type X-ray security inspection machine electronic control circuits according to an embodiment of the utility model;

[0045] A detection device suitable for various channel-type X-ray security inspection machine electronic control circuits comprises a shell and a fault detection circuit. The fault detection circuit is inside the shell and an operation panel and a status indication panel are arranged on the shell. The fault detection circuit is connected with the operation panel and the status indication panel.

[0046] The fault detection circuit includes a communication test control unit, a test interface and a power supply. The power supply is connected to the communication test control unit, the test interface, the operation panel and the status indication panel and supplies power. The operation panel is connected to the communication test control unit and the test interface. The test interface is connected to the communication test control unit and the status indication panel.

[0047] The power supply includes an AC / DC conversion module, which converts the AC 220V power of the industrial network into 24VDC and provides it to the detection device and the circuit to be detected.

[0048] Figure 2 This is a schematic diagram of the structure of a detection device suitable for various channel-type X-ray security inspection machine electronic control circuits according to an embodiment of the utility model; Figure 3 The three views of a detection device suitable for various channel-type X-ray security inspection machine electronic control circuits according to an embodiment of the utility model are respectively a front view, a top view and a front view.

[0049] The outer shell adopts a box structure, which includes a connected box door and a box body. The opening angle of the box door and the box body is greater than 180°, and a connecting mechanism is set on the back of the box body. The box door and the box body are detachably connected; the protection level of the outer shell is IP65. The connecting mechanism is a hanging ear. The box door and the box body are connected by a rotating shaft structure or a buckle structure.

[0050] The outer shell is a 600mm*400mm*230mm (length*width*height) plastic waterproof box, which is divided into two upper and lower areas on the box door.

[0051] The status indication panel includes indicator lights for simulating various execution units and loads of the X-ray security inspection machine and indicating the working status.

[0052] The indicator lights are multiple indicator lights of different colors. The upper area is the status indicator panel, which consists of 6 indicator lights of different colors; they are K1 indicator light, simulated ray start indicator light, K2 indicator light, forward indicator light, reverse indicator light, ray start warning light, all models are D16-22DS / 2, 24VDC, among which K1 indicator light is blue, simulated ray start indicator light is red, K2 indicator light is yellow, forward indicator light is white, reverse indicator light is white, and ray start warning light is red.

[0053] The operation panel includes switches and buttons, which are used to simulate various working conditions that occur during the use of the X-ray security inspection machine.

[0054] The lower area is the "operation panel", which includes 7 indicator lights, 8 push button switches and 2 rotary switches. The 2 rotary switches are the serial port selection knob and the switch knob. The 8 push button switches are 24V button, emergency stop button, door control button, infrared 1 button, infrared 2 button, forward button, stop button and reverse button.

[0055] Figure 4 A circuit diagram of a detection device applicable to the electronic control circuits of various channel-type X-ray security inspection machines according to an embodiment of the utility model;

[0056] The power switch KEY is connected to the power supply P1, the power output terminal "+" is connected to the +24V on the communication test control unit DJ1 terminal, and the power output terminal "-" is connected to the GND on the communication test control unit DJ1 terminal;

[0057] KEY power switch, model NP2-BG21, one normally open, 220VA; power supply P1 model RS-100-24 output is 24VDC, 4.2; SW1 to SW5, model LAY39B-11BNZS, self-locking, flat head one open and one closed; SW6 to SW8, model LAY39B-11BN, self-reset, flat head one open and one closed; SW9 model NP2-BD33, 3-speed self-locking, two normally open; S1, S2, S3, DJ1 are external connection terminals, model T396K-3.96-12P-14, T396K-3.96-10P-14, T396K-3.96-12P-15, T396K-3.96-10P-14, JL396-39602G01; B1, DB21 are external connection terminals, model DB9 serial cable, male to female, straight through, 1 meter;

[0058] Figure 5 A circuit diagram of an AC / DC conversion module in a detection device for an electronic control circuit of various channel-type X-ray security inspection machines provided by the embodiment of the utility model;

[0059] The power supply includes an AC / DC switching unit and a 24V DC output power supply. The AC / DC switching module includes P2, P3 and K1. P2 and P3 connect AC and DC, and K1 switches dual power supplies. The AC / DC switching module converts AC220V into DC24V power supply.

[0060] If the quality of the AC220V power supply on site is generally poor, it is necessary to take power from DC110V. The power supply also needs to include a DC inverter power supply. The DC inverter power supply converts DC power into AC power. This reverse process corresponding to rectification is defined as inversion; converting DC110V into AC220V.

[0061] Fig. 9 This is a circuit diagram of a DC24V to DC5V and DC5V to DC3.3V power supply suitable for various channel-type X-ray security inspection machine electric control circuits in the embodiment of the utility model;

[0062] If you need to power low-power electrical appliances, the power module needs to include 5V and 3.3V DC output power supplies, and the subsequent power supply converts 220VAC to 5V and 3.3V to supply low-power electrical appliances.

[0063] The power output terminal "+" is connected to the normally closed contact 1 of the self-locking button SW1 of the operation panel, that is, the 24V button of the operation panel; the power output terminal "+" is connected to the normally closed contact 1 of the self-locking button SW2 of the operation panel, that is, the emergency stop button of the operation panel; the power output terminal "+" is connected to the normally closed contact 1 of the self-locking button SW3 of the operation panel, that is, the door control button of the operation panel, to simulate the door state; the power output terminal "+" is connected to the normally closed contact 1 of the self-locking button SW4 of the operation panel, that is, the infrared 1 button of the operation panel, to simulate the infrared radiation 1 state; the power output terminal "+" is connected to the self-locking The normally closed contact 1 of button SW5 is the infrared 2 button of the operation panel, which simulates the infrared radiation 2 state; the power output terminal "+" is connected to the normally open contact 3 of the reset button SW6 of the operation panel, which is the forward button, and issues a forward command; the power output terminal "+" is connected to the normally open contact 3 of the reset button SW7 of the operation panel, which is the stop button, and issues a stop command; the power output terminal "+" is connected to the normally open contact 3 of the reset button SW8 of the operation panel, which is the reverse button, and issues a reverse command; the power output terminal "+" is connected to the normally open contact 3 of the three-speed rotary switch SW9, which is the serial port selection rotary switch.

[0064] The box body is installed with a communication test control unit, a 24V transition terminal X1, a 0V transition terminal X2, and a power supply P1 and Y1 transition terminal block from top to bottom.

[0065] An M32 waterproof connector 3, an M22 waterproof connector box 4, and an M16 waterproof connector are installed at the bottom of the lower cover.

[0066] Figure 8 This is a circuit diagram of an MCU control unit for a dedicated control circuit in a detection device for an electronic control circuit of various channel-type X-ray security inspection machines according to an embodiment of the utility model;

[0067] The communication test control unit uses a dedicated control circuit to test the serial communication of various X-ray security inspection machine electronic control circuits. The dedicated control circuit is LZKJ-006.1, and its MCU uses STM32F407VET6.

[0068] Figure 6 A circuit diagram of an RS485 communication board of a detection device screen suitable for various channel-type X-ray security inspection machine electronic control circuits provided in an embodiment of the utility model.

[0069] It also includes an RS485 communication board, which is connected to the communication test control unit through UART TX and UART RX interfaces; it is used to detect the communication between the units in the device or with the host computer.

[0070] Fig.12 A circuit diagram of an RS232 communication board of a detection device for the electronic control circuit of various channel-type X-ray security inspection machines provided in an embodiment of the utility model.

[0071] In addition to the RS485 communication board, the communication test control unit may also use an RS232 communication board, or both RS232 communication boards may be used simultaneously, or other communication boards may be used to communicate between units in the detection device or with a host computer.

[0072] Figure 7 This is a circuit diagram of a relay drive circuit in a detection device suitable for various channel-type X-ray security inspection machine electronic control circuits according to an embodiment of the utility model;

[0073] Fig.10 This is an access circuit diagram of a test interface in a detection device for the electronic control circuit of various channel-type X-ray security inspection machines in an embodiment of the utility model, which is connected to a terminal on the electronic control circuit of the X-ray security inspection machine;

[0074] Fig.11 This is an output circuit diagram of a test interface in a detection device for an electronic control circuit of a channel-type X-ray security inspection machine in accordance with an embodiment of the utility model, which is applicable to the connection between a terminal on the electronic control circuit of the X-ray security inspection machine and a terminal on the electronic control circuit of the X-ray security inspection machine;

[0075] The communication test control unit includes an MCU control unit, a relay drive circuit, an access circuit connecting the test interface with the terminals on the electronic control circuit of the X-ray security inspection machine, and an output circuit diagram connecting the test interface with the terminals on the electronic control circuit of the X-ray security inspection machine.

[0076] The MCU control unit is connected to the test interface by controlling the access circuit connecting the relay drive circuit, the test interface and the terminals on the electronic control circuit of the X-ray security inspection machine, and the output circuit connecting the test interface and the terminals on the electronic control circuit of the X-ray security inspection machine. When detection is required, the MCU control unit of the communication test control unit controls the drive circuit to control the relay to close. When not testing, the relay is disconnected, and the detection device is in an open circuit state with the control circuit to be tested and other equipment.

[0077] The power output terminal "+" is connected to the +24V on the communication test control unit DJ1 terminal, and the power output terminal "-" is connected to the GND on the communication test control unit DJ1 terminal; the normally open contact 4 of the operation panel self-locking button SW6 is connected to the 1 of the communication test control unit S1 terminal; the normally open contact 4 of the operation panel self-locking button SW7 is connected to the 2 of the communication test control unit S1 terminal; the normally open contact 4 of the operation panel self-locking button SW8 is connected to the 3 of the communication test control unit S1 terminal; the normally open contact 4 of the operation panel three-speed rotary switch SW9 is connected to the 4 of the communication test control unit S1 terminal.

[0078] The test interface includes multiple sets of plugs, which are used to establish physical connections with various electronic control circuits of X-ray security inspection machines to be tested. Multiple sets of plugs are plugs of different forms, with strong adaptability, and are used for various detection devices of electronic control circuits of X-ray security inspection machines. Multiple sets of plugs use waterproof connectors to improve the overall waterproof ability of the detection device.

[0079] Figure 4 A circuit diagram of a detection device applicable to the electronic control circuits of various channel-type X-ray security inspection machines according to an embodiment of the utility model;

[0080] The power output terminal "+" is connected to the X1 terminal of the status indication panel LED1, and the power output terminal "-" is connected to the X2 terminal of the status indication panel LED1, that is, the test tooling power indicator light; the power output terminal "-" is connected to the X2 terminal of the status indication panel LED2, that is, the K1 indicator light; the power output terminal "-" is connected to the X2 terminal of the status indication panel LED3, that is, the K2 indicator light; the power output terminal "-" is connected to the X2 terminal of the status indication panel LED4, that is, the ray start indicator light, simulating ray start; the power output terminal "-" is connected to the X2 terminal of the status indication panel LED5, that is, the forward indicator light; the power output terminal "-" is connected to the X2 terminal of the status indication panel LED6, that is, the reverse indicator light; the power output terminal "-" is connected to the X2 terminal of the status indication panel LED7, that is, the ray start warning light.

[0081] The status indicator panel is composed of multiple indicator lights of different colors. The working status of various execution units and loads of the X-ray security inspection machine is simulated by turning on and off the indicator lights and combining them.

[0082] The power output terminal "+" is connected to the normally closed contact 1 of the self-locking button SW1 of the operation panel, that is, the 24V button of the operation panel; the power output terminal "+" is connected to the normally closed contact 1 of the self-locking button SW2 of the operation panel, that is, the emergency stop button of the operation panel; the power output terminal "+" is connected to the normally closed contact 1 of the self-locking button SW3 of the operation panel, that is, the door control button of the operation panel, to simulate the door state; the power output terminal "+" is connected to the normally closed contact 1 of the self-locking button SW4 of the operation panel, that is, the infrared 1 button of the operation panel, to simulate the infrared radiation 1 state; the power output terminal "+" is connected to the self-locking The normally closed contact 1 of button SW5 is the infrared 2 button of the operation panel, which simulates the infrared radiation 2 state; the power output terminal "+" is connected to the normally open contact 3 of the reset button SW6 of the operation panel, which is the forward button, and issues a forward command; the power output terminal "+" is connected to the normally open contact 3 of the reset button SW7 of the operation panel, which is the stop button, and issues a stop command; the power output terminal "+" is connected to the normally open contact 3 of the reset button SW8 of the operation panel, which is the reverse button, and issues a reverse command; the power output terminal "+" is connected to the normally open contact 3 of the three-speed rotary switch SW9, which is the serial port selection rotary switch.

[0083] The shell is made of engineering plastic, which reduces the weight of the whole device and is easy to carry. The shell protection level is IP65, which is convenient for outdoor use. The rear mounting ears of the box can be hung in a compact space. The opening angle of the box is greater than 180°, which is convenient for later maintenance and replacement of spare parts.

[0084] Application examples:

[0085] Method for testing the electronic control circuit of X-ray security inspection machine using the detection device applied for:

[0086] Fig.10 This is an access circuit diagram of a test interface in a detection device for the electronic control circuit of various channel-type X-ray security inspection machines in an embodiment of the utility model, which is connected to a terminal on the electronic control circuit of the X-ray security inspection machine;

[0087] Fig.11 This is an output circuit diagram of a test interface in a detection device for an electronic control circuit of a channel-type X-ray security inspection machine in accordance with an embodiment of the utility model, and is applicable to the connection of a terminal on the electronic control circuit of the X-ray security inspection machine;

[0088] Reset all switches on the test box (release the self-locking button); connect the power supply of the test box; connect the terminals of the electronic control circuit of the X-ray security inspection machine to be tested;

[0089] Turn the switch of the test box to the on position. The power indicator of the test box lights up (normal, otherwise it is a fault)

[0090] Observe whether the power light on the tested electric control board is on (if it is on, it is normal; otherwise, it is a fault)

[0091] Observe whether the "K1 closed" indicator light on the test box is on (lit for normal, otherwise for fault)

[0092] Observe whether the "K2 closed" indicator light on the test box is on (off for normal, otherwise for fault)

[0093] Press the "24V" button and observe whether the "K2 closed" indicator light on the test box is on (lit for normal, otherwise for fault). Release the "24V" button

[0094] Press the "Emergency Stop" button and observe whether the "K2 Closed" indicator light on the test box is on (lit for normal, otherwise for fault). Release the "Emergency Stop" button

[0095] Press the "Gate" button and observe whether the "K2 Closed" indicator light on the test box is on (lit for normal, otherwise for fault). Release the "Gate" button

[0096] Turn the "Serial Port Selection" knob to the serial port 1 position, press the forward button for more than 1 second, then release it, and observe whether the "Forward" indicator light of the test box is on (lit for normal, otherwise it is a fault); press the "Stop" button for more than 1 second, then release it, and observe whether the "Forward" indicator light of the test box is off (off for normal, otherwise it is a fault); press the "Reverse" button for more than 1 second, then release it, and observe whether the "Reverse" indicator light of the test box is on (lit for normal, otherwise it is a fault); press the "Stop" button for more than 1 second, then release it, and observe whether the "Reverse" indicator light of the test box is off (off for normal, otherwise it is a fault);

[0097] Turn the "Serial Port Selection" knob to the serial port 2 position and repeat the above steps.

[0098] Turn the serial port selection knob to the serial port 1 position, press the "Forward" button for more than 1 second, then press the "Infrared 1" button on the test box, and observe whether the "Ray Start" and "Ray Indication" indicator lights on the test box are on (lit for normal, otherwise for fault); then release the "Infrared 1" button, and observe whether the "Ray Start" and "Ray Indication" indicator lights on the test box are off (off for normal, otherwise for fault), and finally turn the "Serial Port Selection" knob to the "None" position

[0099] Turn the "Serial Port Selection" knob to the serial port 2 position, press the "Forward" button for more than 1 second, then press the "Infrared 1" button on the test box, and observe whether the "Ray Start" and "Ray Indication" indicator lights on the test box are lit (lit for normal, otherwise for fault); then release the "Infrared 1 button", and observe whether the "Ray Start" and "Ray Indication" indicator lights on the test box are off (off for normal, otherwise for fault), and finally turn the "Serial Port Selection" knob to the "None" position.

[0100] Test conclusion: The tested electronic control board that has gone through all the above processes is considered qualified, otherwise it is unqualified. And according to which specific test step does not meet the requirements, the specific fault location is determined and the repair is guided.

[0101] The above are only specific implementations of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A detection device for the electronic control circuit of various channel-type X-ray security inspection machines, comprising a housing and a fault detection circuit, wherein the fault detection circuit is inside the housing, and is characterized in that: The housing is provided with an operation panel and a status indication panel; the fault detection circuit is connected to the operation panel and the status indication panel; The fault detection circuit includes a communication test control unit, a test interface and a power supply, the power supply is connected to the communication test control unit, the test interface, the operation panel, and the status indication panel and supplies power, the operation panel is connected to the communication test control unit and the test interface, and the test interface is connected to the communication test control unit and the status indication panel; The communication test control unit adopts a dedicated control circuit for testing the serial communication of the electronic control circuits of various X-ray security inspection machines; The dedicated control circuit is LZKJ-006.

1.

2. According to claim 1, a detection device suitable for various channel-type X-ray security inspection machine electronic control circuits is characterized in that: The power supply includes an AC / DC conversion module, which converts the AC 220V power of the industrial network into 24VDC and provides it to the detection device and the circuit to be detected.

3. According to claim 1, a detection device suitable for various channel-type X-ray security inspection machine electronic control circuits is characterized in that: The status indication panel includes indicator lights, which are used to simulate various execution units and loads of the X-ray security inspection machine and indicate the working status.

4. The detection device according to claim 1, which is applicable to the electronic control circuits of various channel-type X-ray security inspection machines, is characterized in that: The operation panel includes switches and buttons, which are used to simulate various working conditions that occur during the use of the X-ray security inspection machine.

5. According to claim 1, a detection device suitable for various channel-type X-ray security inspection machine electronic control circuits is characterized in that: The test interface includes multiple groups of plugs for establishing physical connections with various electronic control circuits of X-ray security inspection machines to be tested.

6. The detection device according to claim 5, which is applicable to the electronic control circuit of various channel-type X-ray security inspection machines, is characterized in that: The shell adopts a box structure, and the shell comprises a box door and a box body that are connected. The opening angle of the box door and the box body is greater than 180 degrees, and a connecting mechanism is arranged on the back of the box body.

7. A detection device applicable to the electronic control circuits of various channel-type X-ray security inspection machines according to claim 6, characterized in that: The box door is detachably connected to the box body; the protection grade of the shell is IP65; the connecting mechanism is a hanging ear; the box door is connected to the box body through a rotating shaft structure or a buckle structure.

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