CN209910895U - Measuring system for fatigue times of pressure sensor - Google Patents
Measuring system for fatigue times of pressure sensor Download PDFInfo
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- CN209910895U CN209910895U CN201920831598.7U CN201920831598U CN209910895U CN 209910895 U CN209910895 U CN 209910895U CN 201920831598 U CN201920831598 U CN 201920831598U CN 209910895 U CN209910895 U CN 209910895U
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Abstract
The utility model relates to a measurement system of fatigue number of times of pressure sensor, this measurement system includes: the device comprises an air source, a pressure regulating module connected with the air source, an air pressure output control module connected with the pressure regulating module, and a container connected with the air pressure output control module; the pressure regulating module is suitable for regulating the gas provided by the gas source to a set gas pressure and outputting the gas to the container through the gas pressure output control module; the air pressure output control module is suitable for controlling the output frequency and the times of air pressure so as to carry out air pressure impact on a pressure sensor placed in the container; the utility model discloses a promote pressure, the stable atmospheric pressure of adjustment output to the air supply of low pressure to control is to container internal gas pressure impact frequency and number of times, adjusts the container temperature simultaneously, accomplishes and carries out the fatigue impact in turn of temperature and atmospheric pressure to placing different model pressure sensor in the container, has realized low-cost pressure sensor test function.
Description
Technical Field
The utility model relates to a pressure sensor fatigue test field especially relates to a measurement system of tired number of times of pressure sensor.
Background
At present, with the automation and intellectualization of automobiles, the demand for sensors is rapidly increased, particularly for pressure sensors, and the number of the pressure sensors on one automobile can be as many as ten and several. Such as an air pressure sensor, an air conditioner pressure sensor, an engine oil pressure sensor, an ABS oil pressure sensor, a tire pressure sensor, a urea pressure sensor, etc.
Automotive sensor applications have low cost, high reliability, and mass production requirements for sensors. The pressure sensor is required to carry out fatigue test on a pressure sensitive device in the production process, and the traditional industrial pressure sensor fatigue table has the problems of incompatibility of various models, single test, high cost and low reliability, and is not suitable for low-cost large-batch production.
Therefore, it is necessary to develop a new system for measuring fatigue times of a pressure sensor to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a measurement system of tired number of times of pressure sensor to overcome the tired platform of traditional pressure sensor and only can realize single test just, and cause incompatible, with high costs, the problem of inefficiency.
In order to solve the technical problem, the utility model provides a measurement system of tired number of times of pressure sensor, it includes: the device comprises an air source, a pressure regulating module connected with the air source, an air pressure output control module connected with the pressure regulating module, and a container connected with the air pressure output control module; the pressure regulating module is suitable for regulating the gas provided by the gas source to a set gas pressure and outputting the gas to the container through the gas pressure output control module; and the air pressure output control module is suitable for controlling the output frequency and times of air pressure so as to carry out air pressure impact on the pressure sensor placed in the container.
Further, the voltage regulation module includes: the pressure regulating valve is connected with the pressure regulating valve, and the pressure gauge is used for measuring the output air pressure of the pressure regulating valve; the pressure increasing valve is suitable for outputting the gas provided by the gas source to the pressure adjusting valve after increasing the pressure; the pressure regulating valve is suitable for regulating air pressure according to the air pressure value displayed by the pressure gauge.
Further, the air pressure output control module includes: the switching valve is connected with the output end of the pressure regulating valve, and the switching valve is suitable for controlling a controller of the switching valve; the controller is adapted to control the opening and closing of the opening and closing valve to adjust the frequency and number of outputs of the air pressure to the container.
Further, the measurement system includes: a temperature control module disposed in the container; the temperature control module is adapted to control the temperature in the container.
Further, the measurement system further includes: a temperature chamber in the container; the temperature box is adapted to control the temperature in the container.
Furthermore, the air source is connected with the pressure increasing valve, the pressure increasing valve is connected with the pressure regulating valve, the pressure regulating valve is connected with the switch valve, and the switch valve is connected with the container through air pipes.
The beneficial effects of the utility model are that, the utility model discloses a promote pressure, the stable atmospheric pressure of adjustment output to the air supply of low pressure to control is to container internal gas pressure impact frequency and number of times, adjusts the container temperature simultaneously, accomplishes and carries out the fatigue impact in turn of temperature and atmospheric pressure to placing different model pressure sensor in the container, has realized low-cost pressure sensor test function.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a block diagram of a system for measuring fatigue frequency of a pressure sensor according to the present invention.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
Example 1
Fig. 1 is a block diagram of a system for measuring fatigue frequency of a pressure sensor according to the present invention.
In the present embodiment, as shown in fig. 1, the present embodiment provides a system for measuring the fatigue count of a pressure sensor, which includes: the device comprises an air source, a pressure regulating module connected with the air source, an air pressure output control module connected with the pressure regulating module, and a container connected with the air pressure output control module; the pressure regulating module is suitable for regulating the gas provided by the gas source to a set gas pressure and outputting the gas to the container through the gas pressure output control module; and the air pressure output control module is suitable for controlling the output frequency and times of air pressure so as to carry out air pressure impact on the pressure sensor placed in the container.
In this embodiment, the gas source can be, but is not limited to, a low pressure gas source of 5-8 kg.
In this embodiment, in order to better show the connection relationship, in fig. 1, solid line connections represent configuration lines, and dashed line connections represent control lines.
In this embodiment, this embodiment is through promoting pressure, the stable atmospheric pressure of adjustment output to the air supply of low pressure to control is to container internal gas pressure impact frequency and number of times, adjusts the container temperature simultaneously, accomplishes and carries out the fatigue impact in turn of temperature and atmospheric pressure to placing different model pressure sensor in the container, has realized low-cost pressure sensor test function.
In order to adjust the gas provided by the gas source to the set gas pressure and then carry out gas pressure impact, the pressure adjusting module comprises: the pressure regulating valve is connected with the pressure regulating valve, and the pressure gauge is used for measuring the output air pressure of the pressure regulating valve; the pressure increasing valve is suitable for outputting the gas provided by the gas source to the pressure adjusting valve after increasing the pressure; the pressure regulating valve is suitable for regulating air pressure according to the air pressure value displayed by the pressure gauge.
In the present embodiment, the booster valve may be, but is not limited to, a booster pump.
In this embodiment, as an implementation manner, 5 to 8 kg of air provided by the air source is output to the booster pump, so that the air pressure is boosted by 2.5 times and the air pressure is boosted to 12.5 to 20 kg; the air pressure is output to a pressure regulating valve after being lifted, and the pressure regulating valve can be manually regulated to the fatigue set air pressure; the output end of the pressure regulating valve is connected with a high-precision pressure gauge, and the pressure of the output pressure regulated by the pressure regulating valve can be monitored.
In order to control the output frequency and the output frequency of the air pressure and detect the fatigue value of the air pressure sensor, the air pressure output control module comprises: the switching valve is connected with the output end of the pressure regulating valve, and the switching valve is suitable for controlling a controller of the switching valve; the controller is adapted to control the opening and closing of the opening and closing valve to adjust the frequency and number of outputs of the air pressure to the container.
In this embodiment, the controller may be, but is not limited to, a KZQ07-1AS valve controller.
For controlling the temperature in the container for temperature testing of the pressure sensor, the measuring system comprises, as an embodiment: a temperature control module disposed in the container; the temperature control module is adapted to control the temperature in the container.
In order to control the temperature in the container for temperature testing of the pressure sensor, as another embodiment, the measuring system further comprises: a temperature chamber in the container; the temperature box is adapted to control the temperature in the container.
Specifically, the air source is connected with the pressure increasing valve, the pressure increasing valve is connected with the pressure regulating valve, the pressure regulating valve is connected with the switch valve, and the switch valve is connected with the container through air pipes.
To sum up, the utility model discloses a promote pressure, the stable atmospheric pressure of adjustment output to the air supply of low pressure to control is to container internal gas pressure impact frequency and number of times, adjusts the container temperature simultaneously, accomplishes and carries out the fatigue impact in turn of temperature and atmospheric pressure to placing different model pressure sensor in the container, has realized low-cost pressure sensor test function.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. A system for measuring fatigue times of a pressure sensor, comprising:
the device comprises an air source, a pressure regulating module connected with the air source, an air pressure output control module connected with the pressure regulating module, and a container connected with the air pressure output control module; wherein
The pressure regulating module is suitable for regulating the gas provided by the gas source to a set gas pressure and then outputting the gas to the container through the gas pressure output control module; and
the air pressure output control module is suitable for controlling the output frequency and the output times of air pressure so as to carry out air pressure impact on a pressure sensor placed in the container.
2. The measurement system of claim 1,
the pressure regulating module includes: the pressure regulating valve is connected with the pressure regulating valve, and the pressure gauge is used for measuring the output air pressure of the pressure regulating valve;
the pressure increasing valve is suitable for outputting the gas provided by the gas source to the pressure adjusting valve after increasing the pressure;
the pressure regulating valve is suitable for regulating air pressure according to the air pressure value displayed by the pressure gauge.
3. The measurement system of claim 2,
the air pressure output control module comprises: the switching valve is connected with the output end of the pressure regulating valve, and the switching valve is suitable for controlling a controller of the switching valve;
the controller is adapted to control the opening and closing of the opening and closing valve to adjust the frequency and number of outputs of the air pressure to the container.
4. The measurement system of claim 1,
the measurement system includes: a temperature control module disposed in the container;
the temperature control module is adapted to control the temperature in the container.
5. The measurement system of claim 1,
the measurement system further comprises: a temperature chamber in the container;
the temperature box is adapted to control the temperature in the container.
6. The measuring system according to claim 2 or 3,
the air source is connected with the pressure increasing valve, the pressure increasing valve is connected with the pressure regulating valve, the pressure regulating valve is connected with the switch valve, and the switch valve is connected with the container through air pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920831598.7U CN209910895U (en) | 2019-06-04 | 2019-06-04 | Measuring system for fatigue times of pressure sensor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920831598.7U CN209910895U (en) | 2019-06-04 | 2019-06-04 | Measuring system for fatigue times of pressure sensor |
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| CN209910895U true CN209910895U (en) | 2020-01-07 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111442877A (en) * | 2020-04-30 | 2020-07-24 | 中铁工程装备集团有限公司 | Sensor life test system and working method |
| CN113848002A (en) * | 2021-09-24 | 2021-12-28 | 青岛歌尔智能传感器有限公司 | Test tool and test device for pressure sensor |
-
2019
- 2019-06-04 CN CN201920831598.7U patent/CN209910895U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111442877A (en) * | 2020-04-30 | 2020-07-24 | 中铁工程装备集团有限公司 | Sensor life test system and working method |
| CN113848002A (en) * | 2021-09-24 | 2021-12-28 | 青岛歌尔智能传感器有限公司 | Test tool and test device for pressure sensor |
| CN113848002B (en) * | 2021-09-24 | 2023-10-03 | 青岛歌尔智能传感器有限公司 | Pressure sensor's test fixture, testing arrangement |
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