Retarder electric control board test equipment

Abstract

The utility model discloses a retarder electric control board testing device, which comprises an air supply mechanism, a detection mechanism and a display screen, the air supply mechanism is provided with a fixing structure, the fixing structure is used for installing an electric control board, and the air supply mechanism and the display screen are both electrically connected with the output end of the electric control board. And the detection mechanism is electrically connected with the input end of the electric control board. By means of the mode, the testing equipment can simulate the actual working environment of the retarder electric control board and conduct comprehensive testing on the retarder electric control board, automation of testing of the electric control board is achieved, and the testing efficiency and the testing precision are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle hardware testing, in particular to a testing device for an electric control board of a retarder. Background Art

[0002] A hydraulic retarder is an auxiliary braking device, and the hydraulic retarder generates braking torque based on the principle of fluid dynamics. As the requirements for the safety of heavy vehicles are getting higher and higher, the performance requirements for auxiliary braking devices are also increasing. As an auxiliary braking device for heavy vehicles, the reliability of its electric control board is particularly important. In the prior art, in order to detect whether the electric control board of the retarder can accurately control the opening degree of the proportional solenoid valve, the tester manually judges the opening degree of the proportional solenoid valve, resulting in long time consumption and low accuracy in manual testing. Content of the Utility Model

[0003] The utility model provides a testing device for an electric control board of a retarder, which is used to solve the technical problems of long time consumption and low accuracy caused by manual testing.

[0004] The utility model is realized through the following technical solutions:

[0005] The utility model provides a testing device for an electric control board of a retarder, including: a gas supply mechanism, a detection mechanism and a display screen. The gas supply mechanism is provided with a fixing structure for installing the electric control board. Both the gas supply mechanism and the display screen are electrically connected to the output end of the electric control board, and the detection mechanism is electrically connected to the input end of the electric control board.

[0006] Further, the gas supply mechanism includes: a gas storage tank and a solenoid valve. The gas storage tank is connected to the intake end of the solenoid valve, and the control end of the solenoid valve is electrically connected to the output end of the electric control board.

[0007] Further, the gas supply mechanism further includes: a pressure gauge connected to the gas storage tank for detecting the air pressure in the gas storage tank.

[0008] Further, the gas supply mechanism further includes: a muffler connected to the gas storage tank for reducing the noise generated when the gas in the gas storage tank is released.

[0009] Further, the gas supply mechanism further includes: an intake and exhaust valve connected to the gas storage tank for controlling the entry or discharge of the gas in the gas storage tank.

[0010] Further, the gas supply mechanism further includes: at least two handles, one of which is connected to one end of the gas storage tank and the other is connected to the other end of the gas storage tank.

[0011] Further, the air supply mechanism further includes: a snap fastener for snapping together the box body of the air storage tank and the cover plate of the air storage tank.

[0012] Further, the detection mechanism includes: a liquid storage tank, an oil temperature sensor, and a water temperature sensor. The liquid storage tank is provided with a first liquid storage chamber and a second liquid storage chamber. A heating component is provided in the first liquid storage chamber for heating the oil liquid in the first liquid storage chamber. The detection end of the oil temperature sensor is connected to the first liquid storage chamber, and the detection end of the water temperature sensor is connected to the second liquid storage chamber. The output ends of the oil temperature sensor and the water temperature sensor are electrically connected to the input end of the electronic control board.

[0013] Further, the detection mechanism further includes: a pressure sensor. The detection end of the pressure sensor is connected to the air storage tank, and the output end of the pressure sensor is electrically connected to the input end of the electronic control board.

[0014] Further, the detection mechanism further includes: a sealing plate that seals and covers the opening of the liquid storage tank.

[0015] Advantages of the present utility model:

[0016] Compared with the prior art, for the retarder electronic control board testing device proposed by the present utility model, the mutual cooperation of the air supply mechanism and the detection mechanism enables the testing device to simulate the actual working environment of the retarder electronic control board and conduct a comprehensive test on it, realizing the automation of the electronic control board test and improving the test efficiency and test accuracy. The real-time display of the display screen facilitates the operator to understand the test progress and results.

[0017] The above description is only an overview of the technical solution of the present utility model. In order to be able to understand the technical means of the present utility model more clearly, it can be implemented according to the content of the specification. And in order to make the above and other purposes, features, and advantages of the present utility model more obvious and understandable, the following preferred embodiments are specifically described in detail as follows. Description of the Drawings

[0018] Figure 1 It is a schematic diagram of the overall structure of a retarder electronic control board testing device according to an embodiment of the present utility model;

[0019] Figure 2 It is a schematic rear view structure diagram of the air supply mechanism in a retarder electronic control board testing device according to an embodiment of the present utility model;

[0020] Figure 3 It is a schematic top view structure diagram of the air supply mechanism in a retarder electronic control board testing device according to an embodiment of the present utility model;

[0021] Figure 4This is a schematic diagram of the separation structure between the sealing cover and the liquid storage tank in the detection mechanism of a retarder electronic control board testing device according to an embodiment of the present utility model.

[0022] Explanation of reference numerals:

[0023] 1. Air supply mechanism; 11. Air storage tank; 12. Solenoid valve; 13. Pressure gauge; 14. Muffler; 15. Inlet and exhaust valve; 16. Handle; 17. Buckle; 18. Fixing structure; 2. Detection mechanism; 21. Liquid storage tank; 211. First liquid storage chamber; 212. Second liquid storage chamber; 213. Partition board; 22. Oil temperature sensor; 23. Water temperature sensor; 24. Air pressure sensor; 25. Sealing plate; 3. Electronic control board. Specific implementation manners

[0024] In order to make the objectives, technical solutions and advantages of the present utility model clearer and more understandable, the present utility model will be further described in detail below in conjunction with the accompanying drawings and specific implementation manners.

[0025] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without making creative efforts belong to the scope of protection of the present utility model.

[0026] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. is the orientation or positional relationship based on the accompanying drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0027] In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, "a plurality" means two or more, unless otherwise specifically defined.

[0028] In the present utility model, unless otherwise clearly defined and limited, terms such as "installation", "connection", "linkage", "fixation" shall be understood in a broad sense. For example, it may be a connection, a detachable connection, or an integral body; it may be a mechanical connection or an electrical connection; it may be a direct connection or an indirect connection through an intermediate medium, and it may be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0029] In the present utility model, unless otherwise clearly defined and limited, the first feature being "above" or "below" the second feature may include the direct contact between the first and second features, or may include the situation where the first and second features are not in direct contact but in contact through additional features therebetween. Moreover, the first feature being "above", "over" and "on top of" the second feature includes that the first feature is directly above and obliquely above the second feature, or merely indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature being "below", "beneath" and "underneath" the second feature includes that the first feature is directly below and obliquely below the second feature, or merely indicates that the horizontal height of the first feature is lower than that of the second feature.

[0030] In the description of this specification, the description with reference to terms such as "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic expressions of the above terms should not be understood as necessarily referring to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine the different embodiments or examples described in this specification.

[0031] Please refer to Figures 1 to 4 , the present utility model provides a retarder electronic control board testing device, including: a gas supply mechanism 1, a detection mechanism 2, and a display screen (not shown in the figure). The gas supply mechanism 1 is provided with a fixing structure 18 for installing the electronic control board 3. Both the gas supply mechanism 1 and the display screen are electrically connected to the output end of the electronic control board 3, and the detection mechanism 2 is electrically connected to the input end of the electronic control board 3.

[0032] Specifically, both the air supply mechanism 1 and the detection mechanism 2 are electrically connected to the electronic control board 3 through wire harnesses. The operator installs the electronic control board 3 on the fixed structure 18, powers on the device, and enables the air supply mechanism 1 and the detection mechanism 2 to enter the working state. The air supply mechanism 1 receives the signal sent by the electronic control board 3 and delivers air flow outward. The detection mechanism 2 transmits the detected signal to the electronic control board 3. The electronic control board 3 processes the received signal and generates corresponding control signals. The air supply mechanism 1 adjusts the air flow output outward according to the received control signal to simulate the actual working response of the retarder. The display screen real-time displays the working state of the electronic control board 3, the received signal, the sent control signal, and the fault information that appears.

[0033] Compared with the prior art, for the retarder electronic control board testing device proposed by the present utility model, the mutual cooperation between the air supply mechanism 1 and the detection mechanism 2 enables the testing device to simulate the actual working environment of the retarder electronic control board and conduct a comprehensive test on it, realizing the automation of the electronic control board 3 testing, improving the testing efficiency and testing accuracy. The real-time display of the display screen facilitates the operator to understand the testing progress and results.

[0034] Please refer to Figure 2 and Figure 3 , the air supply mechanism 1 includes: an air storage tank 11 and a solenoid valve 12. The air storage tank 11 is connected to the intake end of the solenoid valve 12, and the control end of the solenoid valve 12 is electrically connected to the output end of the electronic control board 3.

[0035] Specifically, the control end of the solenoid valve 12 is connected to the output end of the electronic control board 3 through a wire harness, enabling the solenoid valve 12 to control the air flow output from the air storage tank 11 according to the output signal of the electronic control board 3, so as to simulate the response of the solenoid valve 12 of the retarder in actual work and ensure the reliability of the test results. And during the test process, there is no need for manual adjustment, simplifying the test process and improving the test efficiency.

[0036] Please refer to again Figure 2 and Figure 3 , the air supply mechanism 1 further includes: a pressure gauge 13. The pressure gauge 13 is connected to the air storage tank 11, and the pressure gauge 13 is used to detect the air pressure of the air storage tank 11.

[0037] Specifically, the pressure gauge 13 is connected to the air storage tank 11. The operator can monitor the air pressure of the air storage tank 11 in real time. And the operator can compare the air pressure value on the pressure gauge 13 with the air pressure value displayed on the display screen, which is convenient for evaluating the performance of the electronic control board 3 and improving the accuracy of the test.

[0038] Please refer to Figure 3 , the air supply mechanism 1 further includes: a muffler 14. The muffler 14 is connected to the air storage tank 11, and the muffler 14 is used to weaken the noise generated when the gas in the air storage tank 11 is released.

[0039] Please refer to again Figure 3 The air supply mechanism 1 further includes: an intake and exhaust valve 15, which is connected to the air storage tank 11 and is used to control the entry or discharge of the gas in the air storage tank 11.

[0040] Specifically, during the test of the electronic control board 3, the storage amount of the gas in the air storage tank 11 is controlled by opening or closing the intake and exhaust valve 15 to simulate different working environments and test conditions, so as to improve the accuracy of the retarder electronic control board test.

[0041] Please refer to Figure 2 and Figure 3 The air supply mechanism 1 further includes: at least two handles 16, one of which is connected to one end of the air storage tank 11 and the other is connected to the other end of the air storage tank 11. The handles 16 are respectively arranged at both ends of the air storage tank 11, so that the operator can easily carry the air storage tank 11, and thus the retarder electronic control board test equipment is easy to carry.

[0042] Please refer to again Figure 2 and Figure 3 The air supply mechanism 1 further includes: a snap fastener 17, which is used to fasten the box body of the air storage tank 11 and the cover plate of the air storage tank 11, so that the box body and the cover plate of the air storage tank 11 are closely attached to prevent gas leakage, improve the sealing performance of the air storage tank 11, and ensure the stability and safety of the test environment.

[0043] Please refer to Figure 4 The detection mechanism 2 includes: a liquid storage tank 21, an oil temperature sensor 22 and a water temperature sensor 23. A first liquid storage chamber 211 and a second liquid storage chamber 212 are provided in the liquid storage tank 21. A heating component (not shown in the figure) is provided in the first liquid storage chamber 211, and the heating component is used to heat the liquid in the first liquid storage chamber 211. The detection end of the oil temperature sensor 22 is connected to the first liquid storage chamber 211, and the detection end of the water temperature sensor 23 is connected to the second liquid storage chamber 212. The output ends of the oil temperature sensor 22 and the water temperature sensor 23 are electrically connected to the input end of the electronic control board 3.

[0044] Specifically, the output ends of the oil temperature sensor 22 and the water temperature sensor 23 are electrically connected to the input end of the electronic control board 3 through a wire harness. A partition 213 is provided in the liquid storage tank 21, so that a first liquid storage cavity 211 and a second liquid storage cavity 212 are formed in the liquid storage tank 21. The heating component is used to heat the oil liquid in the first liquid storage cavity 211 to simulate the temperature change of the oil liquid during the operation of the retarder. The second liquid storage cavity 212 is used to store the coolant for cooling the first liquid storage cavity 211 to simulate the temperature reduction of the oil liquid by the coolant during the operation of the retarder. As the heating component continuously heats the oil liquid in the first liquid storage cavity 211, the temperature of the coolant in the second liquid storage cavity 212 also increases. The oil temperature sensor 22 and the water temperature sensor 23 transmit the detected temperature data to the electronic control board 3. The electronic control board 3 processes the received temperature data and generates corresponding control signals. The air supply mechanism 1 adjusts the opening degree of the solenoid valve 12 according to the received control signals to control the flow rate of the air flow output outward, simulating the actual working response of the retarder. At the same time, the electronic control board 3 also sends the processed temperature data to the display screen for the operator to observe and analyze in real time. Through the detection and feedback of the water temperature sensor 23 and the oil temperature sensor 22, the errors and repetitive work in the testing process are reduced, and the testing cost is lowered.

[0045] Please refer to Figure 3 , the detection mechanism 2 further includes: a pressure sensor 24, the detection end of the pressure sensor 24 is connected to the air storage tank 11, and the output end of the pressure sensor 24 is electrically connected to the input end of the electronic control board 3.

[0046] Specifically, the pressure sensor 24 transmits the detected air pressure value to the electronic control board 3. The electronic control board 3 processes the received air pressure value and generates corresponding control signals. The air supply mechanism 1 adjusts the opening degree of the solenoid valve 12 according to the received control signals to control the flow rate of the air flow output outward, simulating the actual working response of the retarder. At the same time, the electronic control board 3 also sends the processed air pressure value to the display screen. The operator compares the air pressure value displayed on the display screen with the air pressure value displayed on the pressure gauge 13, which is convenient for the operator to discover the problems that occur in the electronic control board 3 and ensure the accuracy and effectiveness of the test results.

[0047] Please refer to Figure 4 , the detection mechanism 2 further includes: a sealing plate 25, the sealing plate 25 seals and covers the opening of the liquid storage tank 21, ensuring the sealing of the opening of the liquid storage tank 21, effectively preventing the leakage of liquid, and improving the safety of the retarder electronic control board testing equipment.

[0048] Please refer to again Figures 1 to 4, the testing process of the retarder electronic control board testing device for testing the electronic control board 3 in this embodiment is briefly described as follows: First step, the operator installs the electronic control unit 3 to be tested on the fixed structure 18; Second step, the operator electrically connects the detection mechanism 2 and the air supply mechanism 1 to the electronic control board 3 using a wiring harness; Third step, power on the device to make the air supply mechanism 1 and the detection mechanism 2 enter the working state, so as to detect the performance of the electronic control board 3; Fourth step, the air supply mechanism 1 receives the signal sent by the electronic control board 3 and conveys air flow outward. The detection mechanism 2 transmits the detected signal to the electronic control board 3. The electronic control board 3 processes the received signal and generates corresponding control signals. The air supply mechanism 1 adjusts the flow rate of the air flow output outward according to the received control signal; Fifth step, the detection mechanism 2 transmits the detected data information to the electronic control board 3, and the electronic control board 3 transmits the received data information, the issued control signal, and its own working state to the display screen for display.

[0049] Compared with the prior art, for the retarder electronic control board testing device proposed by the present utility model, the mutual cooperation of the air supply mechanism 1 and the detection mechanism 2 enables the testing device to simulate the actual working environment of the retarder and conduct comprehensive testing on it, realizing the automation of the testing of the electronic control board 3, and improving the testing efficiency and testing accuracy. The real-time display on the display screen facilitates the operator to understand the testing progress and results.

[0050] The above are only specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model can easily think of various equivalent modifications or substitutions, and these modifications or substitutions should all be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. A retarder electric control board testing device, characterized in that: include: An air supply mechanism, a detection mechanism and a display screen, wherein the air supply mechanism is provided with a fixed structure, the fixed structure is used to install an electric control board, the air supply mechanism and the display screen are both electrically connected to the output end of the electric control board, the detection mechanism is electrically connected to the input end of the electric control board, the air supply mechanism comprises: an air storage box and a solenoid valve, the air storage box is connected to the air inlet end of the solenoid valve, and the control end of the solenoid valve is electrically connected to the output end of the electric control board.

2. The retarder electric control board testing equipment according to claim 1, characterized in that: The air supply mechanism further comprises: a barometer, which is connected to the air storage box and is used to detect the air pressure of the air storage box.

3. The retarder electric control board testing equipment according to claim 1, characterized in that: The air supply mechanism also includes: a muffler, which is connected to the air storage box and is used to reduce the noise generated when the gas in the air storage box is released.

4. The retarder electric control board testing equipment according to claim 1, characterized in that: The air supply mechanism further includes an inlet and exhaust valve, which is connected to the air storage box and is used to control the inlet and exhaust of gas in the air storage box.

5. The retarder electric control board testing equipment according to claim 1, characterized in that: The air supply mechanism further comprises: at least two handles, wherein one of the handles is connected to one end of the air storage box, and the other handle is connected to the other end of the air storage box.

6. The retarder electric control board testing equipment according to claim 1, characterized in that: The air supply mechanism further comprises: a buckle, which is used to buckle the box body of the air storage box and the cover plate of the air storage box.

7. The retarder electric control board testing equipment according to claim 1, characterized in that: The detection mechanism includes: a liquid storage tank, an oil temperature sensor and a water temperature sensor. The liquid storage tank is provided with a first liquid storage cavity and a second liquid storage cavity. The first liquid storage cavity is provided with a heating component, and the heating component is used to heat the oil in the first liquid storage cavity. The detection end of the oil temperature sensor is connected to the first liquid storage cavity, and the detection end of the water temperature sensor is connected to the second liquid storage cavity. The output ends of the oil temperature sensor and the water temperature sensor are electrically connected to the input end of the electronic control board.

8. The retarder electric control board testing equipment according to claim 7, characterized in that: The detection mechanism further includes: an air pressure sensor, a detection end of the air pressure sensor is connected to the air storage box, and an output end of the air pressure sensor is electrically connected to an input end of the electric control board.

9. The retarder electric control board testing equipment according to claim 7, characterized in that: The detection mechanism further comprises: a sealing plate, wherein the sealing plate is sealingly covered on the opening of the liquid storage tank.

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