CN211236043U - Automatic test system for dynamic simulation of vehicle electromagnetic valve - Google Patents
Automatic test system for dynamic simulation of vehicle electromagnetic valve Download PDFInfo
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- CN211236043U CN211236043U CN201921131256.0U CN201921131256U CN211236043U CN 211236043 U CN211236043 U CN 211236043U CN 201921131256 U CN201921131256 U CN 201921131256U CN 211236043 U CN211236043 U CN 211236043U
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Abstract
An automatic test system for dynamic simulation of vehicle electromagnetic valves comprises a vibration platform, a constant-temperature and constant-humidity box arranged on the upper end surface of the vibration platform, an oil-water-gas pipeline and a cable channel, wherein the oil-water-gas pipeline and the cable channel are arranged on the constant-temperature and constant-humidity box; a modular software and hardware design mode is adopted, so that the efficiency of the test system is improved, the expandability is enhanced, and the cost is reduced; through data acquisition, analysis and processing and judgment of various performance indexes of the electromagnetic valve, the electromagnetic valve is designed more optimally.
Description
Technical Field
The utility model relates to an automatic test system, an automatic test system of automobile-used solenoid valve dynamic simulation specifically says so.
Background
Various electromagnetic valves of an automobile are key electromagnetic control components in an actuating mechanism when the automobile runs, the automobile is effectively controlled by mainly adjusting the flow direction, flow rate and other parameters of various media such as oil, water, gas and the like in a control system and matching with different circuits and mechanisms, meanwhile, the control precision and flexibility are ensured, and the performance and the normal running of the automobile are directly influenced. Therefore, it is very important to ensure the normal and stable operation of the solenoid valve. The prior electromagnetic valve has many comprehensive characteristic test items, complex test system and high reliability, and the international advanced electromagnetic valve detection equipment can realize high-precision and high-efficiency automatic test on various types of electromagnetic valves, but the equipment is expensive, the equipment supply and later maintenance are complex and difficult, and the cost is high; at present, in the prior art, only detection devices, detection methods and the like of the electromagnetic valve are involved, but detection of various performances, stability and reliability of the electromagnetic valve under the condition of simulating the running environment of a vehicle is not involved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that a test system which can simulate the detection of various performances, stability and reliability of the electromagnetic valve under the running environment state of a vehicle and has lower cost is lacked in the prior art.
The utility model adopts the technical proposal that: an automatic test system for dynamic simulation of an automotive electromagnetic valve comprises a vibration platform, a constant-temperature and constant-humidity box arranged on the upper end surface of the vibration platform, an oil-water-gas system arranged on the constant-temperature and constant-humidity box and a cable channel, wherein the vibration platform comprises a rectangular base, four ends of the rectangular base are provided with vibration damping rods and vibration damping springs, the constant-temperature and constant-humidity box is a rectangular box body with an open side end surface, an electromagnetic valve mounting plate is vertically arranged in the middle of the rectangular box body, a plurality of electromagnetic valve mounting bases are arranged on the electromagnetic valve mounting plate, a vibration device is arranged on the lower end surface of the vibration platform and comprises a horizontal vibration device and a vertical vibration device, the horizontal vibration device comprises a horizontal vibration motor and a horizontal eccentric wheel arranged on an output shaft of the horizontal vibration motor, the vertical vibration device comprises a vertical vibration, the oil-water-gas pipeline system comprises a water inlet pipeline, an oil inlet pipeline, a gas inlet pipeline, a water outlet pipeline, a gas outlet pipeline and a gas outlet pipeline; a water pressure sensor, an oil pressure sensor and an air pressure sensor are respectively arranged on the water outlet pipeline, the oil outlet pipeline and the air outlet pipeline; a temperature sensor, a humidity sensor, a current sampling device, a voltage sampling device and a stress sensor are also arranged in the constant temperature and humidity box;
the current sampling device and the voltage sampling device are specially used for measuring the current change flowing through the coil of the solenoid valve and the voltage change applied to the coil, and calculating the corresponding magnetic field in the solenoid valve, and the stress sensor is specially used for measuring the stress change in the movement process of the spring and the iron core in the solenoid valve.
Furthermore, the damping rod is connected with the vibration platform through a universal joint.
The utility model has the advantages and the characteristics that:
1. the dynamic simulation test can be carried out on a plurality of electromagnetic valves at one time;
2. and a modularized software and hardware design mode is adopted, so that the efficiency of the test system is improved, the expandability is enhanced, and the cost is reduced.
3. Through data acquisition, analysis and processing and judgment of various performance indexes of the electromagnetic valve, the electromagnetic valve is designed more optimally.
Drawings
Fig. 1 is a schematic overall structure diagram of a preferred embodiment of the present invention;
FIG. 2 is a side view of the vibration table of FIG. 1;
FIG. 3 is a schematic top view of the vibration table of FIG. 1;
FIG. 4 is a schematic structural view of the constant temperature and humidity chamber in FIG. 1;
FIG. 5 is a schematic perspective view of the constant temperature and humidity chamber of FIG. 1;
FIG. 6 is a schematic view of the thermostat of FIG. 5 with the top surface thereof removed;
the reference numbers in the figures denote: 1-a vibration platform, 11-a rectangular base, 12-a vibration damping rod, 13-a vibration damping spring, 14-a horizontal vibration device, 141-a horizontal vibration device, 142-a horizontal eccentric wheel, 15-a vertical vibration device, 151-a vertical vibration motor, 152-a vertical eccentric wheel, 2-a constant temperature and humidity box, 21-an electromagnetic valve mounting plate, 22-a temperature sensor and 23-a humidity sensor, 24-current sampling device, 25-voltage sampling device, 3-oil-water-gas pipeline, 31-water inlet pipeline, 32-oil inlet pipeline, 33-gas inlet pipeline, 34-water outlet pipeline, 35-oil outlet pipeline, 36-gas outlet pipeline, 37-water pressure sensor, 38-oil pressure sensor, 39-air pressure sensor and 4-cable channel.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
example 1:
the utility model provides an automatic test system of automobile-used solenoid valve dynamic simulation, includes vibration platform 1, installs constant temperature and humidity case 2 on the vibration platform up end, installs profit trachea system 3 and cable passageway 4 on constant temperature and humidity case, vibration platform 1 includes rectangular base 11, four ends of rectangular base 11 are equipped with damping rod 12 and damping spring 13, constant temperature and humidity case 2 is the open rectangle box of side end face, the vertical solenoid valve mounting panel 21 of installing in middle part of rectangle box, be equipped with a plurality of solenoid valve mounting base 211 on the solenoid valve mounting panel 21, vibrating device is installed to the lower terminal surface of vibration platform 1, vibrating device includes horizontal vibration device 14 and vertical vibrating device 15, horizontal vibration device 14 includes horizontal vibration motor 141 and installs the horizontal eccentric wheel 142 on horizontal vibration motor output shaft, vertical vibrating device 15 includes vertical vibrating motor 151 and installs the vertical eccentric wheel 142 on vertical vibrating motor output shaft The oil-water-gas pipeline system 3 comprises a water inlet pipeline 31, an oil inlet pipeline 32, an air inlet pipeline 33, a water outlet pipeline 34, an oil outlet pipeline 35 and an air outlet pipeline 36; the water outlet pipeline 34, the oil outlet pipeline 35 and the air outlet pipeline 36 are respectively provided with a water pressure sensor 37, an oil pressure sensor 38 and an air pressure sensor 39; a temperature sensor 22, a humidity sensor 23, a current sampling device 24, a voltage sampling device 25 and a stress sensor are also arranged in the constant temperature and humidity box 2;
the current sampling device and the voltage sampling device are specially used for measuring the current change flowing through the coil of the solenoid valve and the voltage change applied to the coil, and calculating the corresponding magnetic field in the solenoid valve, and the stress sensor is specially used for measuring the stress change in the movement process of the spring and the iron core in the solenoid valve.
Example 2:
in order to prevent the damage of the joint between the vibration damping rod 12 and the vibration platform 1 when the vibration is in a large amplitude, a universal joint is arranged between the vibration damping rod 12 and the vibration platform 1, and the vibration damping rod 12 and the vibration platform are connected through the universal joint.
The test method of the vehicle electromagnetic valve dynamic simulation automatic test system comprises the following steps:
step 1: placing the electromagnetic valve to be tested in a constant temperature and humidity box arranged on a vibration platform, and connecting the oil-water-gas piping system 3, an electromagnetic valve power supply, a water pressure sensor 37, an oil pressure sensor 38, an air pressure sensor 39, a temperature sensor 22, a humidity sensor 23, a current sampling device and a 24 voltage sampling device 25;
step 2: setting the vibration frequency, the amplitude and the vibration direction of a vibration platform, wherein the vibration platform has six degrees of freedom of front and back, left and right, and up and down, the vibration frequency and the amplitude in the horizontal direction of the control platform are adjusted by adjusting the rotating speed of a horizontal vibration motor 141 and the counter weight of a horizontal eccentric wheel 142, and the vibration frequency and the amplitude in the horizontal direction of the control platform are adjusted by adjusting the rotating speed of a horizontal vibration motor 151 and the counter weight of a horizontal eccentric wheel 152; the vibration frequency and amplitude range of the vibration platform are 0 Hz-20 Hz and 0 mm- +/-100 mm respectively
And step 3: setting, adjusting and controlling the temperature and the humidity of the constant temperature and humidity box, wherein the ranges are-30 to +80 ℃ and 0 to 100 percent respectively;
and 4, step 4: after starting, the whole process is monitored, detected and recorded, and the data is processed and analyzed to provide the electromagnetic attraction force change, the attraction response time, the voltage and current during attraction and release of the electromagnetic valve, and the control condition parameters of the electromagnetic valve to liquid and gas.
Due to the adoption of the technical scheme, the utility model has the characteristics of performance parameter, operating condition, stability and reliability and life to automobile-used solenoid valve carry out automatic real-time test and detection under the simulated vehicle motion state. The computer processes and analyzes the data and provides parameters of electromagnetic suction force change, suction response time, voltage and current during suction and release, control conditions of the electromagnetic valve on liquid and gas and the like.
The specific implementation process comprises the following steps:
a solenoid valve to be tested is arranged in a constant temperature and humidity box arranged on a vibration platform and is connected with a liquid conveying pipe, a solenoid valve power supply, a stress sensor, a water pressure sensor, a temperature sensor, a humidity sensor, a current sampling device, a voltage sampling device and the like. The vibration frequency and the amplitude of the vibration platform are respectively set to be 10Hz, and the vibration frequency and the amplitude are respectively set to be 30mm up, down, front and back, the temperature and the humidity of the constant-temperature and constant-humidity box are respectively 35 ℃ and 50%, the switching frequency of the electromagnetic valve is 10 times per minute, the whole process is monitored, detected and recorded after the constant-temperature and constant-humidity box is started, the data are processed and analyzed, and parameters such as the electromagnetic suction force change, the suction response time, the voltage and the current during suction and release, the control condition of the electromagnetic valve on liquid and the like are provided.
Two electromagnetic valves to be tested are arranged in a constant temperature and humidity box arranged on a vibration platform and are connected with a gas pipe, an electromagnetic valve power supply, a stress sensor, an air pressure sensor, a temperature sensor, a humidity sensor, a current sampling device, a voltage sampling device and the like. The vibration frequency, the amplitude and the vibration direction of the vibration platform are respectively set to be 5Hz, the upper part, the lower part, the front part and the rear part are 50mm, the temperature and the humidity of the constant-temperature and constant-humidity box are respectively 45 ℃ and 80 percent, the switching frequency of the electromagnetic valve is 15 times per minute, the whole process is monitored, detected and recorded after the constant-temperature and constant-humidity box is started, data is processed and analyzed, and parameters such as the electromagnetic suction force change, the suction response time, the voltage and the current during suction and release, the gas control condition of the electromagnetic valve and the like of the electromagnetic valve are provided.
The ten electromagnetic valves to be tested are arranged in a constant temperature and humidity box arranged on a vibration platform and are connected with a gas pipe, an electromagnetic valve power supply, a stress sensor, an air pressure sensor, a water pressure sensor, an oil pressure sensor, a temperature sensor, a humidity sensor, a current sampling device, a voltage sampling device and the like. The vibration frequency, the amplitude and the vibration direction of the vibration platform are respectively set to be 20Hz, 10mm up and down, 20mm front and back, 5mm left and right, the temperature and the humidity of the constant temperature and humidity box are respectively 45 ℃ and 80%, the switching frequency of the electromagnetic valve is 15 times per minute, the whole process is monitored, detected and recorded after the vibration platform is started, the data are processed and analyzed, and parameters such as the electromagnetic suction force change, the suction response time, the voltage and the current during suction and release, the gas control condition of the electromagnetic valve and the like are provided.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description of the above embodiments and the description is only for the purpose of illustrating the structural relationships and principles of the present invention, and that there can be various changes and modifications without departing from the spirit and scope of the present invention, and that these changes and modifications all fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (2)
1. The utility model provides an automatic test system of automobile-used solenoid valve dynamic simulation which characterized in that: the device comprises a vibration platform (1), a constant temperature and humidity box (2) arranged on the upper end surface of the vibration platform, an oil-water-gas pipeline (3) and a cable channel (4) arranged on the constant temperature and humidity box, wherein the vibration platform (1) comprises a rectangular base (11), four ends of the rectangular base (11) are provided with vibration damping rods (12) and vibration damping springs (13), the constant temperature and humidity box (2) is a rectangular box body with an open side end surface, an electromagnetic valve mounting plate (21) is vertically arranged in the middle of the rectangular box body, a plurality of electromagnetic valve mounting bases (211) are arranged on the electromagnetic valve mounting plate (21), a vibration device is arranged on the lower end surface of the vibration platform (1), the vibration device comprises a horizontal vibration device (14) and a vertical vibration device (15), the horizontal vibration device (14) comprises a horizontal vibration motor (141) and a horizontal eccentric wheel (142) arranged on an output shaft, the vertical vibration device (15) comprises a vertical vibration motor (151) and a vertical eccentric wheel (152) arranged on an output shaft of the vertical vibration motor, and the oil-water-gas system (3) comprises a water inlet pipeline (31), an oil inlet pipeline (32), an air inlet pipeline (33), a water outlet pipeline (34), an oil outlet pipeline (35) and an air outlet pipeline (36); a water pressure sensor (37), an oil pressure sensor (38) and an air pressure sensor (39) are respectively arranged on the water outlet pipeline (34), the oil outlet pipeline (35) and the air outlet pipeline (36); a temperature sensor (22), a humidity sensor (23), a current sampling device (24) and a voltage sampling device (25) are also arranged in the constant temperature and humidity box (2);
the water pressure sensor (37), the oil pressure sensor (38) and the air pressure sensor (39) are used for monitoring and recording the flow of liquid or gas in a liquid conveying pipe connected with the electromagnetic valve so as to judge the opening and closing conditions and the working state of the electromagnetic valve;
the current sampling device and the voltage sampling device are specially used for measuring the current change flowing through the coil of the solenoid valve and the voltage change applied to the coil, and therefore the corresponding magnetic field size in the solenoid valve is calculated, and the stress sensor is specially used for measuring the stress change in the movement process of the spring and the iron core in the solenoid valve.
2. The automatic test system for the dynamic simulation of the vehicular electromagnetic valve according to claim 1, characterized in that: the damping rod (12) is connected with the vibration platform (1) through a universal joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921131256.0U CN211236043U (en) | 2019-07-18 | 2019-07-18 | Automatic test system for dynamic simulation of vehicle electromagnetic valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921131256.0U CN211236043U (en) | 2019-07-18 | 2019-07-18 | Automatic test system for dynamic simulation of vehicle electromagnetic valve |
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| CN211236043U true CN211236043U (en) | 2020-08-11 |
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| CN201921131256.0U Active CN211236043U (en) | 2019-07-18 | 2019-07-18 | Automatic test system for dynamic simulation of vehicle electromagnetic valve |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113804432A (en) * | 2021-09-22 | 2021-12-17 | 哈尔滨东安汽车发动机制造有限公司 | Endurance test device and method for automatic transmission valve body switch valve |
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2019
- 2019-07-18 CN CN201921131256.0U patent/CN211236043U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113804432A (en) * | 2021-09-22 | 2021-12-17 | 哈尔滨东安汽车发动机制造有限公司 | Endurance test device and method for automatic transmission valve body switch valve |
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