Electric control system testboard for engineering equipment

Abstract

The utility model relates to an electric control system testboard for engineering equipment, which comprises a test box, a comprehensive controller, an operation control box, a closed pump control box and a computer, the test box is connected with an electric control system to be tested through a test cable, and the electric control system to be tested is tested by pulling a toggle switch on a panel of the test box or rotating a single-circle carbon film potentiometer. An analog switching value or an analog quantity electric signal is transmitted to a tested electric control system and processed by an electric control system controller to control a corresponding system state indicating lamp on the test box to be lighted so as to test the correctness, stability and safety of the function of the electric control system, and the system can be operated by a single person, is simple and convenient to operate, is high in test response speed, and is visual and clear in test result. Powerful support is provided for early-stage performance analysis, system design, test verification and production delivery of the electric control system of the engineering equipment, so that the production quality of the engineering equipment is continuously improved, the time, manpower and material cost is reduced, and the development and production cycle is shortened.

Description

TECHNICAL FIELD

[0001] The utility model belongs to engineering equipment field, concretely relates to a kind of electric control system test board for engineering equipment. BACKGROUND

[0002] As an important component of existing engineering equipment, the electric control system of engineering equipment plays a key role in improving mechanical efficiency, ensuring job safety and optimizing management with its outstanding performance and significant advantages.

[0003] If the engineering device occurs the fault of electric control system in use, it can cause serious safety accident. Therefore, in the production and manufacturing process of engineering equipment, according to the development support needs of equipment, a large number of test verification needs to be carried out on the electric control system of engineering equipment, so as to ensure the correctness, stability and safety of the performance of electric control system, to ensure that engineering equipment can work stably and safely after leaving factory.

[0004] At present, in actual production, the electric control system needs to be analyzed and designed by staff in advance, and the analyzed and designed electric control system needs to be verified by installation, and then the test environment needs to be manually built and configured by test personnel to realize the test of each part of the electric control system of engineering equipment one by one. In this way, not only the test speed is slow, but also a lot of manpower, time and material cost are needed, and because the running state of electric control system is unstable, safety accident is easy to occur.

[0005] Therefore, the existing electric control system test device has the disadvantages of poor integration, slow test response speed, inconvenient operation and the need for multiple people to cooperate in testing. In order to solve these problems, an electric control system test board that is easy to operate and has intuitive and clear test results is needed to meet the needs of actual production and development of engineering equipment. SUMMARY

[0006] The technical problem to be solved by the utility model is to provide an electric control system test board for engineering equipment, which can overcome at least one of the above-mentioned test system shortcomings and can intuitively and clearly display the test results of the measured electric control system.

[0007] To achieve the above-mentioned purpose, the utility model provides an electric control system test board for engineering equipment, which comprises:

[0008] A power supply is used to provide corresponding power supply voltage for the electric control system test board and the functional elements of the measured electric control system with different rated voltages.

[0009] A test box is used to intuitively display whether the corresponding functions of the measured electric control system are normal.

[0010] The integrated controller is connected with the test box and the measured electric control system, and is used for converting analog switch quantity and analog electric signal from the test box into CAN signal and transmitting the CAN signal to the measured electric control system for testing;

[0011] The measured electric control system comprises a work control box and a closed pump control box of engineering equipment, and the work control box and the closed pump control box are connected with the integrated controller.

[0012] The computer is connected with the integrated controller, and is used for sending corresponding bus command, displaying corresponding numerical value change condition and storing test result.

[0013] Further, the test box comprises a box body and a test module arranged in the box body, the upper surface of the box body is provided with switches and potentiometers matched with functions of the measured electric control system, the lower edge of the knob switch is respectively provided with a corresponding state indicating lamp, the side edge of the box body is assembled with ten aviation sockets, one contactor and a ground wire wiring panel, and the switches, the potentiometers, the indicating lamps and the aviation sockets are connected with the test module.

[0014] Further, the switches are knob switches, and are used for simulating switch quantity signal input loaded on the measured electric control system.

[0015] Further, the potentiometers are single-turn carbon film potentiometers, and are used for simulating analog quantity signal input loaded on the measured electric control system.

[0016] Further, when the corresponding functions of the work control box of the measured electric control system are tested, the test can be performed in a manual mode or an automatic mode, wherein in the manual mode, corresponding knob switches are sequentially pulled according to actual functions of the measured electric control system, and whether the corresponding indicating lamps arranged on the test box are lighted is observed, if the indicating lamps are not lighted, the corresponding functions of the electric control system are not realized or are faulty; in the automatic mode, corresponding bus commands are sent by the computer according to actual functions of the measured electric control system, and whether the corresponding indicating lamps arranged on the test box are lighted is observed, if the indicating lamps are lighted, the corresponding functions of the electric control system are normal, and if the indicating lamps are not lighted, the corresponding functions of the electric control system are not realized or are faulty.

[0017] Further, when the corresponding functions of the closed pump control box of the measured electric control system are tested, the corresponding single-turn carbon film potentiometers can be manually rotated or corresponding bus commands can be sent by the computer, and corresponding numerical value change conditions are observed by the computer, if the numerical value change conditions are abnormal, the corresponding functions of the electric control system are not realized or are faulty.

[0018] Further, the comprehensive controller has a CAN interface, the CAN interface is connected with a computer through a USB, in the automatic mode, corresponding bus commands are sent by the computer to test corresponding functions of the operation controller of the measured electric control system and the closed pump control box, and after being processed by the comprehensive controller, the test results are output to the computer in the form of CAN signals for intuitive observation by the tester.

[0019] Further, the test box is connected with the comprehensive controller, the operation control box and the closed pump control box through a test cable, one end of the test cable is provided with an aviation plug, and the aviation plug is connected with an aviation socket on the test box in a plug-in manner.

[0020] Further, the power supply has a conversion module, and the conversion module is used for converting 24V voltage into 5V voltage for the test box.

[0021] Further, the power supply is a movable power supply such as a storage battery.

[0022] Based on the above technical scheme, the utility model has at least the following beneficial effects compared with the prior art:

[0023] The utility model has the advantages of simple structure, compact layout, correctness, stability and safety test of the electric control system function of the measured electric control system of the engineering equipment by the electric control system test table, single person can operate, and the test response speed is fast, the test result is intuitive and clear, the utility model provides strong support for the pre-performance analysis, system design, test verification and production delivery of the electric control system of the engineering equipment, and the production quality of the engineering equipment is continuously improved, time, manpower and material cost are reduced, and the development and production cycle is shortened.

[0024] In summary, the electric control system test table of the engineering equipment has at least the advantages and practical values mentioned above, and no similar product has been published or used in the similar products, and the utility model is innovative, has the effects of being good and practical, has the technical effects of improving the existing technology, is suitable for practical use, has wide industrial value, and is suitable for popularization and application. BRIEF DESCRIPTION OF DRAWINGS

[0025] The drawings described herein are used to provide further understanding of the utility model, constitute a part of the present application, and the schematic embodiments and the description thereof are used to explain the utility model, and do not constitute improper limitation on the utility model. In the drawings:

[0026] Figure 1 It is a structural schematic view of the utility model.

[0027] Figure 2 It is a top view of the test box in the utility model.

[0028] Figure 3 Figure 6 is a left view of the test box in the utility model.

[0029] Figure 4 Figure 7 is a back view of the test box in the utility model.

[0030] Figure 5 Figure 8 is a right view of the test box in the utility model.

[0031] Figures 6 to 15 Figure 9 is a structural schematic diagram of the first to tenth test cables in the utility model.

[0032] In the figure: 1-test box, 2-first indicator light, 3-second indicator light, 4-first switch, 5-second switch, 6-single turn carbon film potentiometer, 7-first aviation socket, 8-first label, 9-second aviation socket, 10-second label, 11-contactor, 12-grounding column, 13-first test cable, 14-second test cable, 15-third test cable, 16-fourth test cable, 17-fifth test cable, 18-sixth test cable, 19-seventh test cable, 20-eighth test cable, 21-9th test cable, 22-tenth test cable, 23-power supply, 24-computer, 25-comprehensive controller, 26-operation control box, 27-closed pump control box. DETAILED DESCRIPTION

[0033] The technical scheme of the utility model embodiment is described clearly and completely in combination with the drawings of the specification, so that the technical scheme of the utility model can be better understood by the person skilled in the art. The embodiments described herein are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.

[0034] In the description of the utility model, it is understood that the terms "up", "down", "left", "right", "in", "out" and other terms indicating the direction or position relationship are based on the direction or position relationship shown in the drawings, which is only for the convenience of description, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore it cannot be understood as a limitation of the utility model.

[0035] In the utility model, unless another definite provision or limitation, the terms "mount", "fix", "connect" and so on should be understood broadly, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be direct connection, also can be indirectly connected through intermediate medium, can be the communication or the interaction of two elements of two elements, unless another definite limitation. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0036] In addition, the terms "first", "second" and the like are used merely for descriptive purposes and do not imply or imply a relative importance of the indicated technical features or a number of the indicated technical features. Thus, features defined with "first", "second" can explicitly or implicitly include at least one such feature.

[0037] Figure 1 The structure diagram of the electric control system test table for engineering equipment according to the utility model is shown. Here, the electric control system test table for engineering equipment includes:

[0038] Power supply 23 for providing corresponding power supply voltage for the electric control system test table and the functional elements of the measured electric control system with different rated voltages, the power supply has a conversion module, and the 24V voltage can be converted into 5V voltage for the test box by the conversion module, and the power supply is a movable power supply, such as a battery.

[0039] Test box 1 for directly displaying whether the corresponding functions of the measured electric control system are normal.

[0040] The comprehensive controller 25 is connected with the test box 1 and the measured electric control system, and is used to convert the analog switch quantity and analog electric signal from the test box into CAN signal and transmit to the measured electric control system for testing. The comprehensive controller 25 has a CAN interface, which is connected with the computer 24 through USB, in the automatic mode, the corresponding bus command is sent by the computer to test the corresponding functions of the operation controller of the measured electric control system and the closed pump control box, and the test result is output to the computer in the form of CAN signal after being processed by the comprehensive controller for the test personnel to observe directly.

[0041] The measured electric control system includes the operation control box 26 and the closed pump control box 27 of the engineering device, and the operation control box 26 and the closed pump control box 27 are connected with the comprehensive controller 25.

[0042] The computer 24 is connected with the comprehensive controller 25, and is used to send corresponding bus command, display test corresponding numerical value change and store test result.

[0043] Figures 2 to 5 The utility model discloses a structure schematic drawing of test box 1, the test box 1 includes the test module of box body and setting in the box body, the upper surface of box body is equipped with the switch and potentiometer with the function of matching of the measured electronic control system, the switch is button switch, is used for simulating the switch quantity signal input of loading in the measured electronic control system, including the first switch 4 for simulating the switch quantity signal input of operation control box and the second switch 5 for simulating the switch quantity signal input of closed type pump control box, the number of first switch 4, second switch 5 corresponds with the number of corresponding function of the measured electronic control system, the lower edge of button switch is equipped with the state indicating lamp corresponding with it respectively, the indicating lamp includes first indicating lamp 2, second indicating lamp 3, the lateral edge of box body is equipped with ten aviation sockets, a contactor and ground wire wiring row, wherein, the left end of box body is equipped with three first aviation sockets 7 connected with comprehensive controller, the lower of first aviation socket 7 is equipped with first signboard 8, the rear side of box body is equipped with seven second aviation sockets 9, the lower of second aviation socket is equipped with second signboard 10, first signboard 8, second signboard 10 are used to indicate aviation socket to make test personnel can accurately insert corresponding socket, the switch, potentiometer, indicating lamp, aviation socket are connected with test module.

[0044] The electric control system test platform is connected with comprehensive controller 25, operation control box 26 and closed type pump control box 27 through 10 test cables, Figures 6 to 15 The structure schematic drawing of 10 test cables is shown.

[0045] Among them, the plug of one end of first test cable 13 is connected with the aviation socket behind test box 1, the plug of the other end of first test cable 13 is connected with the closed type pump control box 27 of measured electric control system, 3 connecting wires are common ground wire, and 2 are reserved wires, as Figure 6 Shown.

[0046] The plug of one end of second test cable 14 is connected with the aviation socket behind test box 1, the two plugs of the other end of second test cable 14 are connected with operation control box 26 of measured electric control system, as Figure 7 Shown.

[0047] The plug of one end of third test cable 15 is connected with the aviation socket behind test box 1, the two plugs of the other end of third test cable 15 are connected with operation control box 26 of measured electric control system, as Figure 8 Shown.

[0048] The plug of one end of fourth test cable 16 is connected with the aviation socket behind test box 1, the plug of the other end of fourth test cable 16 is connected with operation control box 26 of measured electric control system, as Figure 9 Shown.

[0049] The plug at one end of the fifth test cable 17 is connected to the aviation socket at the back of the test box 1, and the plug at the other end of the fifth test cable 17 is connected to the operation control box 26 of the electric control system to be tested, as shown in the figure. Figure 10

[0050] The plug at one end of the sixth test cable 18 is connected to the aviation socket at the back of the test box 1, and the plug at the other end of the sixth test cable 18 is connected to the operation control box 26 of the electric control system to be tested, as shown in the figure. Figure 11

[0051] The plug at one end of the seventh test cable 19 is connected to the aviation socket at the back of the test box 1, and the plug at the other end of the seventh test cable 19 is connected to the operation control box 26 of the electric control system to be tested, as shown in the figure. Figure 12

[0052] The plug at one end of the eighth test cable 20 is connected to the aviation socket at the left side of the test box 1, and the plug at the other end of the eighth test cable 20 is connected to the comprehensive controller 25 of the electric control system to be tested, as shown in the figure. Figure 13

[0053] The plug at one end of the ninth test cable 21 is connected to the aviation socket at the left side of the test box 1, and the plug at the other end of the ninth test cable 21 is connected to the comprehensive controller 25 of the electric control system to be tested, as shown in the figure. Figure 14

[0054] The plug at one end of the tenth test cable 22 is connected to the aviation socket at the back of the test box 1, and the plug at the other end of the tenth test cable 22 can be connected to the comprehensive controller 25 of the electric control system to be tested, and the two connectors are connected to 5V power supply.

[0055] The electric control system test bench of the utility model is used for testing the engineering equipment developed by the applicant's company, i.e. the chain and shack type mine sweeping device (CN111750742A), and the corresponding functions of the electric control system of the chain and shack type mine sweeping device are tested through the electric control system test bench of the application, such as the corresponding electric control functions of the launch platform in situ, the vehicle body inclination angle, the launch platform lifting / falling, the rack cabin extension / retraction, the chain sweeping folding / lifting, the engine oil temperature, the steering wheel angle, etc.

[0056] ​​​​​During testing, first connect 5V, GND and the test box 1 by the tenth test cable 22, then connect the test box 1 and the tested electric control system reliably by the first test cable 13, the second test cable 14, the third test cable 15, the fourth test cable 16, the fifth test cable 17, the sixth test cable 18, the seventh test cable 19, the eighth test cable 20, the ninth test cable 21 and the tenth test cable 22, input 5V direct current power supply, pull the corresponding button switch or send the corresponding bus command through the computer according to the actual function of the tested electric control system, and observe the lighting condition of the corresponding indicator light arranged on the test box, if the indicator light does not light, the corresponding function of the electric control system is not realized or is faulty, and the corresponding single-turn carbon film potentiometer is rotated in order, the corresponding numerical value change condition is observed through the computer, if the numerical value change is abnormal, the corresponding function of the electric control system is not realized or is faulty.

[0057] The utility model discloses simple structure, easy to process manufacture, through the button switch or the rotation potentiometer of pulling the test box panel, analog switch quantity or analog quantity electric signal transmission to the measured electric control system, through electric control system controller processing, control test box corresponding system state indicator light burns, the function of the measured electric control system is directly displayed on the corresponding indicator light of test box panel distribution, can judge the corresponding function of the measured electric control system whether normal quickly, to test the correctness, stability and safety of electric control system function, single person can test, and the test result is intuitive and definite, provides support for realizing demand quick response and electric control system equipment quick delivery, and continuously promotes engineering equipment high quality, low cost, short cycle development production capacity. If the test cable is replaced by other engineering equipment electric control system matched cable, then the demand of arbitrary equipment electric control system detection can be met.

[0058] The features disclosed in this document can be important for the implementation of the embodiments in different design schemes and can be realized alone or in any combination.

[0059] The above only describes the preferred embodiment of the utility model, and does not limit the utility model, and any person skilled in the art can make possible changes and modifications to the utility model technical scheme by using the disclosed technical content without departing from the spirit and principle of the utility model, therefore, any modification, equivalent replacement and improvement etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. Test bench for the electronic control systems of engineering equipment, characterized by the fact that it comprises: The electric control system test bench comprises: a power supply for providing corresponding power supply voltage for the electric control system test bench and functional elements of the measured electric control system with different rated voltage; a test box for visually displaying whether the corresponding functions of the measured electric control system are normal; a comprehensive controller connected with the test box and the measured electric control system for converting analog switch quantity and analog electric signal from the test box into CAN signal and transmitting to the measured electric control system for testing; the measured electric control system comprises a work control box and a closed pump control box of engineering equipment, and the work control box and the closed pump control box are connected with the comprehensive controller; a computer connected with the comprehensive controller for sending corresponding bus command, displaying corresponding numerical value change and storing test results.

2. The electronic control system test stand for engineered equipment of claim 1, wherein, The test box comprises a box body and a test module arranged in the box body, the upper surface of the box body is provided with switches and potentiometers matched with the functions of the measured electric control system, the lower edge of the knob switch is provided with corresponding state indicator lamps, the side edge of the box body is equipped with ten aviation sockets, one contactor and a ground wire terminal block, and the switches, potentiometers, indicator lamps and aviation sockets are connected with the test module.

3. The electronic control system test stand for engineered equipment of claim 2, wherein, The switch is a knob switch for simulating switch quantity signal input of the measured electric control system.

4. The electronic control system test stand for engineered equipment of claim 2, wherein, The potentiometer is a single-turn carbon film potentiometer for simulating analog quantity signal input of the measured electric control system.

5. The electronic control system test stand for engineered equipment of claim 1, wherein, When testing the corresponding functions of the work control box of the measured electric control system, the testing can be carried out in manual or automatic mode, in the manual mode, the corresponding knob switch is sequentially pulled according to the actual function of the measured electric control system, and the corresponding indicator lamp provided on the test box is observed to determine whether the corresponding function of the electric control system is realized or fails; in the automatic mode, the corresponding bus command is sent by the computer according to the actual function of the measured electric control system, and the corresponding indicator lamp provided on the test box is observed to determine whether the corresponding function of the electric control system is realized or fails.

6. The electronic control system test stand for engineered equipment of claim 1, wherein: When testing the corresponding functions of the closed pump control box of the measured electric control system, the corresponding single-turn carbon film electric signal can be manually rotated or the corresponding bus command can be sent by the computer, and the corresponding numerical value change is observed by the computer to determine whether the corresponding function of the electric control system is realized or fails.

7. The electronic control system test stand for engineered equipment of claim 1, wherein: The comprehensive controller has a CAN interface connected with the computer through USB, in the automatic mode, the corresponding bus command is sent by the computer to test the corresponding functions of the work controller and the closed pump control box of the measured electric control system, and the test results are output to the computer in the form of CAN signal for the tester to visually observe.

8. The electronic control system test stand for engineered equipment of claim 1, wherein: The test box is connected with the comprehensive controller, the work control box and the closed pump control box through a test cable, one end of the test cable is provided with an aviation plug, and the aviation plug is connected with the aviation socket on the test box in plug-in connection.

9. The electronic control system test stand for engineered equipment of claim 1, wherein: The power supply has a conversion module for converting 24V voltage into 5V voltage for the test box.

10. The electronic control system test stand for engineered equipment of claim 9, wherein: The power supply is a movable power supply.

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