CN217179831U - Tire pressure sensor measuring device - Google Patents
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- CN217179831U CN217179831U CN202220648803.8U CN202220648803U CN217179831U CN 217179831 U CN217179831 U CN 217179831U CN 202220648803 U CN202220648803 U CN 202220648803U CN 217179831 U CN217179831 U CN 217179831U
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Abstract
The invention provides a tire pressure sensor measuring device, comprising: the device comprises a main control module, a chamber control module, a tire pressure measuring module and an activation distance measuring module; the chamber control module controls opening or closing of a chamber door of the tire pressure measuring module according to the first control signal, so that the tire pressure sensor is placed in the tire pressure measuring module; the tire pressure measuring module measures the tire pressure of the tire pressure sensor according to a second control signal sent by the main control module, so that the tire pressure sensor generates tire pressure data and sends the tire pressure data to the main control module; the activation distance measuring module measures the tire pressure sensor according to a third control signal sent by the main control module to obtain activation distance data, and sends the activation distance data to the main control module; the main control module is also used for judging whether the received tire pressure measurement data and the activation distance data are qualified or not; the problem of need adopt independent equipment respectively to test tire pressure and activation distance of tire pressure sensor and inefficiency is solved.
Description
Technical Field
The utility model relates to the field of electronic technology, especially, relate to a tire pressure sensor measuring device.
Background
LF, i.e. low frequency, refers to radio waves with a frequency band from 30KHz to 300 KHz. In the production process of the tire pressure sensor, various performances of the tire pressure sensor need to be detected so as to ensure the safety of delivery standard and offline use of the tire pressure sensor. Common test indices are: the tire pressure sensor has the advantages of pressure testing performance, accuracy of low-frequency activation distance and unique identity ID of the tire pressure sensor.
In the prior art, tests are often performed in isolation from each other. Testing the pressure value of the tire pressure sensor by adopting independent pressure testing equipment, comparing the pressure value with a standard pressure, determining that the pressure value meets a testing index and marking; the low frequency activation distance is manually tested through the handheld low frequency activation instrument, different scales are marked on the desktop, then the handheld instrument is placed at a pre-calibrated position to test close-range activation and remote activation, the lower or higher activation distance can not pass through automatic offline equipment when vehicles are produced in a host factory, and the qualification rate is reduced.
When the mode is adopted for testing, single-item testing is carried out by adopting independent equipment, the equipment and labor participation used in the whole testing process are more, and meanwhile, the requirements on the proficiency and the quality of workers are relatively higher, so that the testing efficiency is limited.
SUMMERY OF THE UTILITY MODEL
To the not enough that exists among the prior art, the utility model provides a tire pressure sensor measuring device, it has solved the problem that the need that exists among the prior art adopts independent equipment to test the tire pressure and the activation distance of tire pressure sensor respectively and lead to inefficiency.
The utility model provides a tire pressure sensor measuring device, measuring device includes: the device comprises a main control module, a chamber control module, a tire pressure measuring module and an activation distance measuring module; the chamber control module is respectively connected with the main control module and the tire pressure measuring module, is used for receiving a first control signal sent by the main control module, and is also used for controlling opening or closing of a chamber door of the tire pressure measuring module according to the first control signal so that the tire pressure sensor is placed in the tire pressure measuring module; the tire pressure measuring module is connected with the main control module and used for measuring the tire pressure of the tire pressure sensor according to a second control signal sent by the main control module, so that the tire pressure sensor generates the tire pressure data and sends the tire pressure data to the main control module; the activation distance measuring module is connected with the main control module and the tire pressure sensor and used for measuring the tire pressure sensor according to a third control signal sent by the main control module to obtain activation distance data and sending the activation distance data to the main control module; the main control module is also used for judging whether the received tire pressure measurement data and the activation distance data are qualified or not.
Optionally, the chamber control module comprises: a first solenoid valve and a first cylinder; the control end of the first electromagnetic valve is connected with the main control module, the input end of the first electromagnetic valve is connected with an external air source, and the output end of the first electromagnetic valve is connected with the first air cylinder and used for opening or closing according to a first control signal sent by the main control module so that the external air source inflates or deflates the first air cylinder; the first air cylinder is connected with a cavity door of the tire pressure measuring module and used for contracting or expanding according to the inflation or deflation of the external air source to drive the cavity door of the tire pressure measuring module to open or close.
Optionally, the tire pressure measurement module includes: a second electromagnetic valve and an air chamber; the control end of the second electromagnetic valve is connected with the main control module, the input end of the second electromagnetic valve is connected with an external air source, and the output end of the second electromagnetic valve is connected with the cavity door of the air chamber; the air chamber is opened according to a second control signal sent by the main control module, so that the external air source pressurizes the air chamber; the tire pressure sensor is arranged in the air chamber, and the tire pressure sensor generates the tire pressure data according to the pressure generated by the air chamber and sends the tire pressure data to the main control module.
Optionally, the sensor measurement device further comprises an activation switch; the starting switch is connected with the main control module and used for sending a starting signal to the main control module, so that the main control module sends a first control signal to the chamber control module according to the starting signal, and the chamber control module closes the cavity door of the tire pressure measuring module according to the first control signal.
Optionally, the activating distance measuring module comprises: a radio frequency control unit and a close-range measuring antenna; the radio frequency control unit is electrically connected with the main control module and the close-range measuring antenna and is used for sending a low-frequency activation signal to the close-range measuring antenna according to a third control signal sent by the main control module; the close-range measuring antenna is wirelessly connected with the tire pressure sensor and used for sending close-range test data to the tire pressure sensor according to the low-frequency activation signal so that the tire pressure sensor can measure according to the test data to obtain the close-range activation data; wherein the proximity activation data comprises the proximity activation data; the radio frequency control unit is also used for receiving the distance activation data and sending the distance activation data to the main control module.
Optionally, the activated distance measurement module further comprises a distance measurement antenna; the radio frequency control unit is also electrically connected with the remote measurement antenna and is also used for sending a low-frequency activation signal to the remote measurement antenna according to a fourth control signal sent by the main control module; the remote measurement antenna is wirelessly connected with the tire pressure sensor and used for sending remote test data to the tire pressure sensor according to the low-frequency activation signal so that the tire pressure sensor can measure according to the test data, and when the radio frequency control unit does not receive the remote activation data generated by the tire pressure sensor, the tire pressure sensor is normal.
Optionally, the measuring device further comprises a laser marking machine; the main control module is also used for judging the received tire pressure data and the activation distance test data; and when the master control module judges that the tire pressure data and the activated distance test data are qualified, the laser marking machine prints an ID mark for the tire pressure sensor to be tested according to the tire pressure data and the activated distance test data received by the master control module.
Optionally, the measuring device further comprises a display module; and the display module is connected with the main control module and is used for displaying the activation distance data sent by the main control module.
Optionally, the measuring device further comprises: the box body and the middle partition plate; the middle partition plate separates the box body into an upper chamber and a lower chamber, and the main control module, the tire pressure measuring module and the activation distance measuring module are arranged in the upper chamber; the chamber control module is arranged in the lower chamber; the cavity door of the tire pressure measuring module, the box body and the middle partition plate enable the upper cavity to form a closed space.
Optionally, a wave-absorbing material is attached to the inner surface of the box body and used for shielding radio frequency signals.
Compared with the prior art, the utility model discloses following beneficial effect has:
the method comprises the steps that a main control module, a cavity control module, a tire pressure measuring module and an activation distance measuring module are arranged in a measuring device, a first control signal is sent to the cavity control module through the main control module to open or close a cavity door of the tire pressure measuring module, a sensor is placed in the tire pressure measuring module, the main control module sends a second control signal to the tire pressure measuring module, the tire pressure measuring module measures the tire pressure of the tire pressure sensor, the tire pressure sensor sends tire pressure data to the main control module, and the main control module judges whether the tire pressure data is qualified or not; the main control module sends a third control signal to the activated distance measuring module, so that the activated distance measuring module measures the sensor to obtain activated distance data, the activated distance measuring module sends the activated distance data to the main control module, and the main control module judges whether the activated distance is qualified or not according to the activated distance data, so that the simultaneous measurement of the tire pressure data and the activated distance data of the tire pressure sensor is realized, the measurement efficiency is improved, and the user requirements are met.
Drawings
Fig. 1 is a structural diagram of a tire pressure sensor measuring device according to an embodiment of the present invention;
fig. 2 is a structural diagram of a chamber control module according to an embodiment of the present invention;
fig. 3 is a structural diagram of a tire pressure measuring module according to an embodiment of the present invention;
fig. 4 is a structural diagram of an activated distance measuring module according to an embodiment of the present invention.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.
Fig. 1 is a structural diagram of a tire pressure sensor measuring device provided by an embodiment of the present invention, as shown in fig. 1, the measuring device includes: a main control module 100, a chamber control module 200, a tire pressure measuring module 300, and an activation distance measuring module 400;
the chamber control module 200 is respectively connected to the main control module 100 and the tire pressure measuring module 300, and is configured to receive a first control signal sent by the main control module 100, and further configured to control opening or closing of a chamber door of the tire pressure measuring module 300 according to the first control signal, so that the tire pressure sensor is placed in the tire pressure measuring module 300;
the tire pressure measuring module 300 is connected to the main control module 100, and is configured to measure a tire pressure of the tire pressure sensor according to a second control signal sent by the main control module 100, so that the tire pressure sensor generates the tire pressure data and sends the tire pressure data to the main control module 100;
the activated distance measuring module 400 is connected to the main control module 100 and the tire pressure sensor, and is configured to measure the tire pressure sensor according to a third control signal sent by the main control module 100 to obtain activated distance data, and send the activated distance data to the main control module 100;
the main control module 100 is further configured to determine whether the received tire pressure measurement data and the activation distance data are qualified.
The working principle of the embodiment is as follows: when the main control module 100 is powered on, the main control module 100 sends a first control signal to the chamber control module 200, the chamber control module 200 opens the cavity door of the tire pressure measuring module 300 according to the first control signal, the sensor is placed in the tire pressure measuring module 300, the main control module 100 sends the first control signal to the chamber control module 200 again, and the chamber control module 200 closes the cavity door of the chamber control module 200 according to the first control signal; after the cavity door is closed, the main control module 100 sends a second control signal to the tire pressure measuring module 300 to measure the tire pressure of the tire pressure sensor, and the tire pressure sensor generates tire pressure data and sends the data to the main control module 100; when the activated distance measuring module 400 receives the third control signal sent by the main control module 100, the activated distance measuring module measures the tire pressure sensor to obtain activated distance data; when the activated distance data receives the third control signal, the activated distance module measures the tire pressure sensor to obtain activated distance data, the activated distance measuring module 400 sends the activated distance data to the main control module 100, and the main control module 100 determines whether the received tire pressure data and the activated distance data are qualified.
It should be noted that, in this embodiment, two measurement chambers may be provided, and each measurement chamber includes: the chamber control module 200, the tire pressure measuring module 300 and the distance measuring module are controlled by the same main control module 100, and in order to improve the measuring efficiency, the number of the measuring chambers can be set according to actual needs, and the structure of each measuring chamber is the same as that of the above mentioned measuring chambers.
Fig. 2 is a structural diagram of a chamber control module 200 according to an embodiment of the present invention, and as shown in fig. 2, the chamber control module 200 includes: a first solenoid valve 201 and a first cylinder 202; the control end of the first electromagnetic valve 201 is connected to the main control module 100, the input end of the first electromagnetic valve 201 is connected to an external air source, and the output end of the first electromagnetic valve 201 is connected to the first air cylinder 202, and is configured to open or close according to a first control signal sent by the main control module 100, so that the external air source inflates or deflates the first air cylinder 202; the first air cylinder 202 is connected to the cavity door of the tire pressure measuring module 300, and is configured to contract or expand according to the inflation or deflation of the external air source to drive the cavity door of the tire pressure measuring module 300 to open or close.
The working principle of the embodiment is as follows: when the first electromagnetic valve 201 is closed according to the first control signal sent by the main control module 100, the external air source stops inflating the air cylinder, and the first air cylinder 202 contracts, so as to drive the cavity door of the tire pressure measuring module 300 connected with the first air cylinder 202 to open, so that the sensor is placed in the tire pressure measuring module 300; when the first electromagnetic valve 201 is opened according to the first control signal sent by the main control module 100, the external air source inflates the first air cylinder 202, and the first air cylinder 202 expands, so as to drive the cavity door of the tire pressure measuring module 300 connected with the first air cylinder 202 to close, so that the tire pressure measuring module 300 can perform pressurization measurement on the tire pressure sensor.
Fig. 3 is a structural diagram of a tire pressure measuring module 300 according to an embodiment of the present invention, as shown in fig. 3, the tire pressure measuring module 300 includes: the second solenoid valve 301 and the air chamber 302; the control end of the second electromagnetic valve 301 is connected with the main control module 100, the input end of the second electromagnetic valve 301 is connected with an external air source, and the output end of the second electromagnetic valve 301 is connected with the chamber door of the air chamber 302; the air chamber 302 is pressurized by the external air source when the air chamber is opened according to a second control signal sent by the main control module 100; the tire pressure sensor is disposed in the air chamber 302, and the tire pressure sensor generates the tire pressure data according to the pressure received from the air chamber 302 and transmits the tire pressure data to the main control module 100.
The working principle of the embodiment is as follows: after the tire pressure sensor is placed in the air chamber 302 through the cavity door, the main control module 100 sends a second control signal to the second electromagnetic valve 301, so that the second electromagnetic valve 301 is opened, the gas in the external air source flows through the second electromagnetic valve 301 and enters the air chamber 302, the pressure in the air chamber 302 is increased, and the tire pressure sensor generates tire pressure data according to the received pressure and sends the tire pressure data to the main control module 100.
In another embodiment of the present invention, the sensor measuring device further comprises a start switch; the start switch is connected to the main control module 100 and configured to send a start signal to the main control module 100, so that the main control module 100 sends a first control signal to the chamber control module 200 according to the start signal, and the chamber control module 200 closes the cavity door of the tire pressure measurement module 300 according to the first control signal.
It should be noted that, when the main control module 100 is powered on, the main control module 100 sends a first control signal to the chamber control module 200, and the chamber control module 200 opens the cavity door of the tire pressure measuring module 300 according to the first control signal, so that the tire pressure sensor is placed in the measuring module; at this time, the start switch is pressed, the start switch sends a start signal to the main control module 100, the main control module 100 sends a first control signal to the chamber control module 200 according to the start signal, so that the chamber door of the tire pressure measuring module 300 is closed, and the tire pressure measuring module 300 measures the tire pressure of the tire pressure sensor.
Fig. 4 is a structural diagram of an activated distance measuring module 400 according to an embodiment of the present invention, as shown in fig. 4, the activated distance measuring module 400 includes: a radio frequency control unit 401 and a proximity measurement antenna 402; the radio frequency control unit 401 is electrically connected to the main control module 100 and the close-range measurement antenna 402, and is configured to send a low-frequency activation signal to the close-range measurement antenna 402 according to a third control signal sent by the main control module 100; the close-range measurement antenna 402 is wirelessly connected with the tire pressure sensor and is used for sending close-range test data to the tire pressure sensor according to the low-frequency activation signal, so that the tire pressure sensor can measure according to the test data to obtain the close-range activation data; wherein the proximity activation data comprises the proximity activation data; the radio frequency control unit 401 is further configured to receive the distance activation data and send the distance activation data to the main control module 100.
The working principle of the embodiment is as follows: after the radio frequency control unit 401 is powered on, a low-frequency activation signal is sent to the short-distance measurement antenna 402 according to a third control signal, after the short-distance measurement antenna 402 receives the low-frequency activation signal, test data is sent to the tire pressure sensor, the tire pressure sensor performs measurement according to the test data to obtain short-distance activation data, the radio frequency control unit 401 receives the short-distance activation data and sends the short-distance activation data to the main control module 100, and the main control module 100 analyzes whether the short-distance activation data is within a preset range.
In another embodiment of the present invention, the active distance measurement module 400 further comprises a distance measurement antenna; the radio frequency control unit 401 is further electrically connected to the remote measurement antenna, and is further configured to send a low-frequency activation signal to the remote measurement antenna according to a fourth control signal sent by the main control module; the remote measurement antenna is also in wireless connection with the tire pressure sensor and is used for sending remote test data to the tire pressure sensor so that the tire pressure sensor can measure according to the test data, and when the radio frequency control unit 401 does not receive remote activation data generated by the tire pressure sensor, the tire pressure sensor is normal.
The embodiment of the utility model provides a theory of operation does: after the radio frequency control unit 401 is powered on, it also sends a low frequency activation signal to the antenna of the remote measurement antenna according to the fourth control signal sent by the main control module 100, and after receiving the low frequency activation signal, the remote measurement antenna sends remote test data to the tire pressure sensor, and when the radio frequency control unit 401 does not receive the remote activation data generated by the tire pressure sensor, that is, the main control module 100 does not receive the remote activation data, it determines that the tire pressure sensor is normal.
It should be noted that the tire pressure sensor is installed on the hub, the tire pressure sensor is about 30cm away from the tire, i.e. the triggering distance of the product is at least 36cm and can be easily identified by the equipment of the host factory, and the remote distance is to prevent the information of the tire pressure sensor between two tires from being read by mistake.
In another embodiment of the present invention, the measuring device further comprises a laser marking machine; the main control module 100 is further configured to determine the received tire pressure data and the activation distance test data; the laser marking machine is connected with the main control module 100, and when the main control module 100 judges that the tire pressure data and the activated distance test data are qualified, the laser marking machine prints an ID mark for the tire pressure sensor to be tested according to the tire pressure data and the activated distance test data received by the main control module 100.
The embodiment of the utility model provides a theory of operation does: after the received tire pressure data and the activated distance test data are judged to be qualified, the main control module 100 sends the tire pressure data and the activated distance test data to the laser marking machine, and the laser marking machine prints an ID mark for the tire pressure sensor to be tested according to the tire pressure data and the activated distance test data.
In another embodiment of the present invention, the measuring device further comprises a display module; the display module is connected with the main control module and used for displaying the activation distance data sent by the main control module so that a user can visually acquire the activation distance data of the tire pressure sensor and determine whether the tire pressure sensor is qualified.
In another embodiment of the present invention, the measuring device further includes: the box body and the middle partition plate; the middle partition plate separates the box body into an upper chamber and a lower chamber, and the main control module, the tire pressure measuring module and the activation distance measuring module are arranged in the upper chamber; the chamber control module is arranged in the lower chamber; the cavity door of the tire pressure measuring module, the box body and the middle partition plate enable the upper cavity to form a closed space.
The middle partition plate divides the box body into an upper chamber and a lower chamber, so that the tire pressure measuring module is in a closed space and can be pressurized to measure the tire pressure sensor.
In another embodiment of the present invention, the inner surface of the box body is attached with a wave-absorbing material for shielding the radio frequency signal.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (10)
1. A tire pressure sensor measuring device, characterized in that the measuring device comprises: the device comprises a main control module, a chamber control module, a tire pressure measuring module and an activation distance measuring module;
the chamber control module is respectively connected with the main control module and the tire pressure measuring module, is used for receiving a first control signal sent by the main control module, and is also used for controlling opening or closing of a chamber door of the tire pressure measuring module according to the first control signal so that the tire pressure sensor is placed in the tire pressure measuring module;
the tire pressure measuring module is connected with the main control module and used for measuring the tire pressure of the tire pressure sensor according to a second control signal sent by the main control module, so that the tire pressure sensor generates the tire pressure data and sends the tire pressure data to the main control module;
the activation distance measuring module is connected with the main control module and the tire pressure sensor and used for measuring the tire pressure sensor according to a third control signal sent by the main control module to obtain activation distance data and sending the activation distance data to the main control module;
the main control module is also used for judging whether the received tire pressure measurement data and the activation distance data are qualified or not.
2. The tire pressure sensor measuring device of claim 1, wherein the chamber control module comprises: a first solenoid valve and a first cylinder;
the control end of the first electromagnetic valve is connected with the main control module, the input end of the first electromagnetic valve is connected with an external air source, and the output end of the first electromagnetic valve is connected with the first air cylinder and used for opening or closing according to a first control signal sent by the main control module so that the external air source inflates or deflates the first air cylinder;
the first air cylinder is connected with a cavity door of the tire pressure measuring module and used for contracting or expanding according to the inflation or deflation of the external air source to drive the cavity door of the tire pressure measuring module to open or close.
3. The tire pressure sensor measuring device according to claim 1, wherein the tire pressure measuring module includes: a second electromagnetic valve and an air chamber;
the control end of the second electromagnetic valve is connected with the main control module, the input end of the second electromagnetic valve is connected with an external air source, and the output end of the second electromagnetic valve is connected with the cavity door of the air chamber; the air chamber is opened according to a second control signal sent by the main control module, so that the external air source pressurizes the air chamber;
the tire pressure sensor is arranged in the air chamber, and the tire pressure sensor generates the tire pressure data according to the pressure generated by the air chamber and sends the tire pressure data to the main control module.
4. The tire pressure sensor measuring device of claim 1, wherein the sensor measuring device further comprises an activation switch;
the starting switch is connected with the main control module and used for sending a starting signal to the main control module, so that the main control module sends a first control signal to the chamber control module according to the starting signal, and the chamber control module closes the cavity door of the tire pressure measuring module according to the first control signal.
5. The tire pressure sensor measuring device of claim 1, wherein the active distance measuring module comprises: a radio frequency control unit and a close-range measuring antenna;
the radio frequency control unit is electrically connected with the main control module and the close-range measuring antenna and is used for sending a low-frequency activation signal to the close-range measuring antenna according to a third control signal sent by the main control module;
the close-range measuring antenna is wirelessly connected with the tire pressure sensor and used for sending close-range test data to the tire pressure sensor according to the low-frequency activation signal so that the tire pressure sensor can measure according to the test data to obtain the close-range activation data; wherein the proximity activation data comprises the proximity activation data;
the radio frequency control unit is also used for receiving the distance activation data and sending the distance activation data to the main control module.
6. The tire pressure sensor measuring device of claim 5, wherein the active distance measuring module further comprises a remote measuring antenna;
the radio frequency control unit is also electrically connected with the remote measurement antenna and is also used for sending a low-frequency activation signal to the remote measurement antenna according to a fourth control signal sent by the main control module;
the remote measurement antenna is also in wireless connection with the tire pressure sensor and used for sending remote test data to the tire pressure sensor according to the low-frequency activation signal so that the tire pressure sensor can measure according to the test data, and when the radio frequency control unit does not receive the remote activation data generated by the tire pressure sensor, the tire pressure sensor is normal.
7. The tire pressure sensor measuring device of claim 1, wherein the measuring device further comprises a laser marking machine;
the main control module is also used for judging the received tire pressure data and the activation distance test data;
and when the master control module judges that the tire pressure data and the activated distance test data are qualified, the laser marking machine prints an ID mark for the tire pressure sensor to be tested according to the tire pressure data and the activated distance test data received by the master control module.
8. The tire pressure sensor measuring device of claim 1, wherein the measuring device further comprises a display module;
and the display module is connected with the main control module and is used for displaying the activation distance data sent by the main control module.
9. The tire pressure sensor measuring device according to claim 1, wherein the measuring device further comprises: the box body and the middle partition plate;
the middle partition plate separates the box body into an upper chamber and a lower chamber, and the main control module, the tire pressure measuring module and the activation distance measuring module are arranged in the upper chamber; the chamber control module is arranged in the lower chamber;
the cavity door of the tire pressure measuring module, the box body and the middle partition plate enable the upper cavity to form a closed space.
10. The tire pressure sensor measuring device of claim 9, wherein the inner surface of the case is attached with a wave-absorbing material for shielding radio frequency signals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220648803.8U CN217179831U (en) | 2022-03-22 | 2022-03-22 | Tire pressure sensor measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220648803.8U CN217179831U (en) | 2022-03-22 | 2022-03-22 | Tire pressure sensor measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217179831U true CN217179831U (en) | 2022-08-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220648803.8U Active CN217179831U (en) | 2022-03-22 | 2022-03-22 | Tire pressure sensor measuring device |
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| Country | Link |
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| CN (1) | CN217179831U (en) |
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- 2022-03-22 CN CN202220648803.8U patent/CN217179831U/en active Active
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