CN110207888A - A kind of device for monitoring tyre pressure and tire pressure monitoring method of TPMS tire pressure monitoring valve cock - Google Patents
A kind of device for monitoring tyre pressure and tire pressure monitoring method of TPMS tire pressure monitoring valve cock Download PDFInfo
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- CN110207888A CN110207888A CN201910641412.6A CN201910641412A CN110207888A CN 110207888 A CN110207888 A CN 110207888A CN 201910641412 A CN201910641412 A CN 201910641412A CN 110207888 A CN110207888 A CN 110207888A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 70
- 238000000034 method Methods 0.000 title claims description 10
- 230000005540 biological transmission Effects 0.000 claims abstract description 41
- 230000006835 compression Effects 0.000 claims abstract description 37
- 238000007906 compression Methods 0.000 claims abstract description 37
- 238000002955 isolation Methods 0.000 claims abstract description 10
- 238000006073 displacement reaction Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 229920003023 plastic Polymers 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 239000002131 composite material Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L17/00—Devices or apparatus for measuring tyre pressure or the pressure in other inflated bodies
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- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses a kind of device for monitoring tyre pressure of TPMS tire pressure monitoring valve cock, including device housing, air cylinder and gas transmission cylinder are fixed in device housing, piston is provided in air cylinder, strong magnet block and compressed spring are fixed on piston, isolation seat is provided in gas transmission cylinder, first spool is installed on isolation seat, the first compression bar is fixed on first spool, pressing handle is fixed in device housing, first compression bar is hingedly fixed with pressing handle, first back-moving spring is installed on first compression bar, second spool is installed on gas transmission cylinder, the second compression bar is fixed on second spool, briquetting is fixedly connected on second compression bar, second back-moving spring is installed on second compression bar, limit sliding chutes are offered on air cylinder, irony sliding block is installed in limit sliding chutes, connector is fixed on irony sliding block, in device housing by appendix with The connection of gas transmission cylinder, the other end of appendix are fixed with gas nozzle.Whole device structure is simply provided rationally.
Description
Technical field
The present invention relates to device for monitoring tyre pressure and tire pressure monitoring method and technology field, specially a kind of TPMS tire pressure monitoring gas
The device for monitoring tyre pressure and tire pressure monitoring method of door mouth.
Background technique
Tire pressure monitoring system abbreviation TPMS, tire pressure monitoring system can be divided into two kinds: one is indirect type tire pressure monitoring system,
It is to judge whether tire is abnormal by the rotational speed difference of tire；Another kind is direct-type tire pressure monitoring system, by wheel tyre cavity
Face installs four tire pressure monitoring sensors additional, carries out in vehicle stationary or driving process to tire pressure and temperature automatic in real time
Monitoring, and to tire high pressure, low pressure, high temperature progress and alarm, the traffic accident caused by tire fault is avoided, to ensure to go
Vehicle safety.The rotational speed difference of the tire pressure monitoring sensor and tire that wherein use judges tire pressure, both modes are all more complicated,
It generally uses in the higher automobile of intelligence degree, exists not for the automobile some for current low side or walking-replacing tool
The problem of adaptation, but in order to ensure that safety is also required to carry out regularly tire pressure monitoring to these automobiles or walking-replacing tool, therefore,
Design it is a kind of using operate it is convenient, it is simple and reasonable, carry it is convenient, can convenient for user periodically to tire pressure be monitored with
The device for monitoring tyre pressure and tire pressure monitoring method for determining the need for the TPMS tire pressure monitoring valve cock of inflation are very necessary.
Summary of the invention
The purpose of the present invention is to provide a kind of device for monitoring tyre pressure of TPMS tire pressure monitoring valve cock and tire pressure monitoring sides
Method, to solve the problems mentioned in the above background technology.
To achieve the above object, invention provides the following technical solutions: a kind of tire pressure monitoring of TPMS tire pressure monitoring valve cock
Device, including device housing are fixed with air cylinder and gas transmission cylinder, the lower end of the gas transmission cylinder and the pressure in described device shell
The upper end of cylinder is fixedly connected, and piston is provided in the air cylinder, the upper surface of the piston is fixed with strong magnet block, described
The lower surface of piston is fixed with compressed spring, and the lower end of the compressed spring is fixedly connected with the interior ground of the air cylinder, institute
The middle position for stating gas transmission cylinder interior is provided with isolation seat, and the first spool, first spool are equipped on the isolation seat
On be fixed with pressing handle be fixed with by articulated shaft along horizontal the first oppositely arranged compression bar, described device shell, it is described
It is hinged that the other end of first compression bar sequentially passes through the side wall of the gas transmission cylinder, the side wall of described device shell and the pressing handle
It is fixed, first back-moving spring is installed relative between the pressing handle and described device shell on first compression bar, institute
It states the lower position on the side wall of gas transmission cylinder relative to first compression bar and the second spool is installed, consolidate on second spool
Surely there is the second horizontally disposed compression bar, the side wall, described of the other end time of second compression bar across the gas transmission cylinder
Briquetting is fixedly connected with after the side wall of device housing, relative between the briquetting and described device shell on second compression bar
Second back-moving spring is installed, limit sliding chutes are offered on the side wall of the air cylinder, irony is installed in the limit sliding chutes
Sliding block is fixed with connector on the irony sliding block, and the other end of the connector is fixed with instruction pointer, described device shell
It is upper that appendix is fixed with by tracheae fixing head, one end of the appendix by the upper end of gas-tpe fitting and the gas transmission cylinder into
Port connection, the other end of the appendix are fixedly connected with the useful gas nozzle connecting with tyre valve.
Preferably, described device shell is L-type handle structure.
Preferably, the first limit valve opening being adapted with first spool is offered on the isolation seat.
Preferably, the first sealing ring is provided between first compression bar and the gas transmission cylinder.
Preferably, second compression bar and described state are provided with the second sealing ring between gas transmission cylinder.
Preferably, the irony sliding block is in same with the strong magnet block under the action of strong magnet block attraction
On horizontal position.
Preferably, it is provided on the side wall of described device shell for the plastic sight piece to the instruction pointer observation.
Preferably, the graduation mark for recording the instruction pointer position is provided on the side wall of described device shell.
Advantageous effect of the invention is: the device for monitoring tyre pressure of the TPMS tire pressure monitoring valve cock, in use, first by gas nozzle
It is installed on the valve cock for needing the tire being monitored, monitoring personnel only need the lower part of hand-held electronic device shell；Then it supervises
Pressing handle need to only be pushed down by surveying staff, and the air pressure moment in tire is entered in air cylinder by appendix, gas transmission cylinder, wherein
Piston in air cylinder move downward under the influence of air pressure compression lower part compressed spring and move downward, wherein on strong magnetic
Iron block also moves downward, and strong magnet block therein drives irony sliding block to move downward under the action of attraction, on irony sliding block
Instruction pointer move downward, pass through plastic sight piece observation stablize after instruction pointer position and combine graduation mark on quarter
Degree obtains the moving displacement of instruction pointer, which is the decrement of compressed spring, the elasticity for the compressed spring being provided with
COEFFICIENT K has been calculated by spring pressure test, only need to be according to F=K Δ x moving displacement, the tire pressure of you can get it tire；Most
Afterwards after obtaining stable instruction pointer displacement, monitoring personnel stop the pressing to pressing handle, will by pressing briquetting
Gas discharge in air cylinder, gas transmission cylinder, removes gas nozzle, so that it is convenient using operating, and whole device structure is simple
Rationally, size can be easy to carry for setting, is periodically monitored to tire pressure convenient for user to judge whether that needs are inflated
Demand improves safety and the durability of automobile and walking-replacing tool.
Detailed description of the invention
Fig. 1 is a kind of device for monitoring tyre pressure structural schematic diagram of TPMS tire pressure monitoring valve cock；
Fig. 2 is the enlarged structure schematic diagram in Fig. 1 at A；
Fig. 3 is that a kind of air cylinder of the device for monitoring tyre pressure of TPMS tire pressure monitoring valve cock is faced with gas transmission cylinder composite structure
Figure one；
Fig. 4 is that a kind of air cylinder of the device for monitoring tyre pressure of TPMS tire pressure monitoring valve cock is faced with gas transmission cylinder composite structure
Figure two；
Fig. 5 is air cylinder and the composite structure side view of gas transmission cylinder of a kind of device for monitoring tyre pressure of TPMS tire pressure monitoring valve cock
Figure.
In figure: 1- device housing；2- articulated shaft；3- presses handle；4- plastic sight piece；5- graduation mark；6- tracheae is fixed
Head；7- appendix；8- gas nozzle；9- indicates pointer；The first compression bar of 10-；11- first back-moving spring；The second compression bar of 12-；13- pressure
Block；14- second back-moving spring；15- air cylinder；16- compressed spring；17- piston；18- strong magnet block；19- gas transmission cylinder；20- every
It disseats；The first spool of 21-；The second spool of 22-；23- gas-tpe fitting；The first sealing ring of 24-；The second sealing ring of 25-；26- limit
Sliding slot；27- irony sliding block；28- connector.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-5 is please referred to, invention provides a kind of technical solution: a kind of tire pressure monitoring dress of TPMS tire pressure monitoring valve cock
Set, including device housing 1, be fixed with air cylinder 15 and gas transmission cylinder 19 in described device shell 1, the lower end of the gas transmission cylinder 19 with
The upper end of the air cylinder 15 is fixedly connected, and piston 17 is provided in the air cylinder 15, and the upper surface of the piston 17 is fixed
There is strong magnet block 18, the lower surface of the piston 17 is fixed with compressed spring 16, the lower end of the compressed spring 16 and the pressure
The interior ground of cylinder 15 is fixedly connected, and the middle position inside the gas transmission cylinder 19 is provided with isolation seat 20, the isolation seat
First spool 21 is installed on 20, is fixed on first spool 21 along horizontal the first oppositely arranged compression bar 10, the dress
It sets and pressing handle 3 is fixed with by articulated shaft 2 on shell 1, the other end of first compression bar 10 sequentially passes through the gas transmission cylinder
19 side wall, the side wall of described device shell 1 and the pressing handle 3 are hingedly fixed, relative to institute on first compression bar 10
State and first back-moving spring 11 be installed between pressing handle 3 and described device shell 1, on the side wall of the gas transmission cylinder 19 relative to
The lower position of first compression bar 10 is equipped with the second spool 22, is fixed on second spool 22 and sets in the horizontal direction
The second compression bar 12 set, the other end of second compression bar 12 time is across the side wall of the gas transmission cylinder 19, described device shell 1
It is fixedly connected with briquetting 13 after side wall, pacifies on second compression bar 12 relative between the briquetting 13 and described device shell 1
Equipped with second back-moving spring 14, limit sliding chutes 26, installation in the limit sliding chutes 26 are offered on the side wall of the air cylinder 15
There is irony sliding block 27, connector 28 is fixed on the irony sliding block 27, the other end of the connector 28 is fixed with instruction and refers to
Needle 9 is fixed with appendix 7 by tracheae fixing head 6 on described device shell 1, and one end of the appendix 7 passes through gas-tpe fitting
23 connect with the upper end air inlet of the gas transmission cylinder 19, and the other end of the appendix 7 is fixedly connected with useful and tyre valve
The gas nozzle 8 of connection.
In the present embodiment, described device shell 1 is L-type handle structure.
In the present embodiment, the first limit valve opening being adapted with first spool 21 is offered on the isolation seat 20.
In the present embodiment, the first sealing ring 24 is provided between first compression bar 10 and the gas transmission cylinder 19.
In the present embodiment, second compression bar 12 and described state are provided with the second sealing ring 25 between gas transmission cylinder 19.
In the present embodiment, the irony sliding block 27 under the action of 18 attraction of strong magnet block with the strong magnet block
18 in the same horizontal position.
In the present embodiment, it is provided with the plastics for observing the instruction pointer 9 on the side wall of described device shell 1 and sees
Examine piece 4.
In the present embodiment, the scale for recording instruction 9 position of pointer is provided on the side wall of described device shell 1
Line 5.
Working principle: the device for monitoring tyre pressure of the TPMS tire pressure monitoring valve cock, in use, gas nozzle 8 is installed to first
On the valve cock for the tire for needing to be monitored, monitoring personnel only need the lower part of hand-held electronic device shell 1；Then monitoring
Personnel need to only push down pressing handle 3, and the air pressure moment in tire is entered in air cylinder 15 by appendix 7, gas transmission cylinder 19, wherein
Piston 17 in air cylinder 15 moves downward the compressed spring 16 of compression lower part under the influence of air pressure and moves downward, wherein on
Strong magnet block 18 also move downward, strong magnet block 18 therein driven under the action of attraction irony sliding block 27 downwards transport
Dynamic, the instruction pointer 9 on irony sliding block 27 moves downward, the position of the instruction pointer 9 after being stablized by the observation of plastic sight piece 4
And the scale on graduation mark 5 is combined to obtain the moving displacement of instruction pointer 9, which is the decrement of compressed spring 16,
The coefficient of elasticity K of the compressed spring 16 of middle setting has been calculated by spring pressure test, only need to be according to the mobile position F=K Δ x
It moves, the tire pressure of you can get it tire；Finally after obtaining the stable displacement of instruction pointer 9, monitoring personnel stop to pressing
Gas in air cylinder 15, gas transmission cylinder 19 is discharged by pressing briquetting 13, removes gas nozzle 8 by the pressing of handle 3, so that
It is convenient using operating, and whole device structure is simply provided rationally, and size can be easy to carry, periodically right convenient for user
Tire pressure is monitored to judge whether the demand for needing to inflate, and improves safety and the durability of automobile and walking-replacing tool.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (9)
1. a kind of device for monitoring tyre pressure of TPMS tire pressure monitoring valve cock, it is characterised in that: including device housing (1), the dress
It sets and is fixed with air cylinder (15) and gas transmission cylinder (19) in shell (1), the lower end and the air cylinder (15) of the gas transmission cylinder (19)
Upper end be fixedly connected, is provided with piston (17) in the air cylinder (15), the upper surface of the piston (17) is fixed with strong magnetic
The lower surface of iron block (18), the piston (17) is fixed with compressed spring (16), the lower end of the compressed spring (16) with it is described
The interior ground of air cylinder (15) is fixedly connected, and the internal middle position of the gas transmission cylinder (19) is provided with isolation seat (20), institute
It states and is equipped on isolation seat (20) the first spool (21), is fixed on first spool (21) along horizontal oppositely arranged first
Compression bar (10) is fixed with pressing handle (3) by articulated shaft (2) on described device shell (1), first compression bar (10) it is another
It is hingedly solid that one end sequentially passes through the side wall of the gas transmission cylinder (19), the side wall of described device shell (1) and the pressing handle (3)
It is fixed, the first reset is installed relative between the pressing handle (3) and described device shell (1) on first compression bar (10)
Spring (11), the lower position on the side wall of the gas transmission cylinder (19) relative to first compression bar (10) are equipped with the second valve
Core (22) is fixed with horizontally disposed the second compression bar (12), second compression bar (12) on second spool (22)
The other end time be fixedly connected with briquetting (13) after the side wall of the gas transmission cylinder (19), the side wall of described device shell (1),
Second back-moving spring is installed relative between the briquetting (13) and described device shell (1) on second compression bar (12)
(14), it is offered limit sliding chutes (26) on the side wall of the air cylinder (15), irony is installed sliding in the limit sliding chutes (26)
Block (27) is fixed with connector (28) on the irony sliding block (27), and the other end of the connector (28) is fixed with instruction and refers to
Needle (9) is fixed with appendix (7) on described device shell (1) by tracheae fixing head (6), and one end of the appendix (7) is logical
It crosses gas-tpe fitting (23) to connect with the upper end air inlet of the gas transmission cylinder (19), the other end of the appendix (7) is fixedly connected
The useful gas nozzle (8) being connect with tyre valve.
2. a kind of device for monitoring tyre pressure of TPMS tire pressure monitoring valve cock as described in claim 1, it is characterised in that: the dress
Setting shell (1) is L-type handle structure.
3. a kind of device for monitoring tyre pressure of TPMS tire pressure monitoring valve cock as described in claim 1, it is characterised in that: it is described every
Disseat the first limit valve opening for offering on (20) and being adapted with first spool (21).
4. a kind of device for monitoring tyre pressure of TPMS tire pressure monitoring valve cock as described in claim 1, it is characterised in that: described the
The first sealing ring (24) are provided between one compression bar (10) and the gas transmission cylinder (19).
5. a kind of device for monitoring tyre pressure of TPMS tire pressure monitoring valve cock as described in claim 1, it is characterised in that: described the
Two compression bars (12) and described state are provided with the second sealing ring (25) between gas transmission cylinder (19).
6. a kind of device for monitoring tyre pressure of TPMS tire pressure monitoring valve cock as described in claim 1, it is characterised in that: the iron
Matter sliding block (27) is in the same horizontal position with the strong magnet block (18) under the action of strong magnet block (18) attraction
On.
7. a kind of device for monitoring tyre pressure of TPMS tire pressure monitoring valve cock as described in claim 1, it is characterised in that: the dress
Set the plastic sight piece (4) being provided on the side wall of shell (1) for instruction pointer (9) observation.
8. a kind of device for monitoring tyre pressure of TPMS tire pressure monitoring valve cock as described in claim 1, it is characterised in that: the dress
Set the graduation mark (5) being provided on the side wall of shell (1) for recording described instruction pointer (9) position.
9. a kind of tire pressure monitoring method of TPMS tire pressure monitoring valve cock, it is characterised in that: using in the claims 1-8
Any one realizes the tire pressure monitoring method to valve cock, specifically includes the following steps:
Step 1: gas nozzle (8) is installed to first on the valve cock for needing the tire being monitored, monitoring personnel only need hand
Hold the lower part of device housing (1)；
Step 2: and then monitoring personnel need to only push down pressing handle (3), the air pressure moment in tire by appendix (7),
Gas transmission cylinder (19) enters in air cylinder (15), and wherein the piston (17) in air cylinder (15) moves downward pressure under the influence of air pressure
The compressed spring (16) of contracting lower part simultaneously moves downward, wherein on strong magnet block (18) also move downward, strong magnet block therein
(18) irony sliding block (27) are driven to move downward under the action of attraction, the instruction pointer (9) on irony sliding block (27) is downward
Movement, the position of the instruction pointer (9) after being stablized by plastic sight piece (4) observation simultaneously combine the scale on graduation mark (5) to obtain
It must indicate the moving displacement of pointer (9), which is the decrement of compressed spring (16), the compressed spring being provided with (16)
Coefficient of elasticity K be calculated by spring pressure test, only need to be according to F=K Δ x (moving displacement), you can get it tire
Tire pressure；
Step 3: finally after obtaining stable instruction pointer (9) displacement, monitoring personnel stop to pressing handle (3)
Gas in air cylinder (15), gas transmission cylinder (19) is discharged by pressing briquetting (13), removes gas nozzle (8) by pressing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910641412.6A CN110207888B (en) | 2019-07-16 | 2019-07-16 | Tire pressure monitoring device and tire pressure monitoring method of TPMS tire pressure monitoring inflating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910641412.6A CN110207888B (en) | 2019-07-16 | 2019-07-16 | Tire pressure monitoring device and tire pressure monitoring method of TPMS tire pressure monitoring inflating valve |
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| Publication Number | Publication Date |
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| CN110207888A true CN110207888A (en) | 2019-09-06 |
| CN110207888B CN110207888B (en) | 2024-02-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910641412.6A Active CN110207888B (en) | 2019-07-16 | 2019-07-16 | Tire pressure monitoring device and tire pressure monitoring method of TPMS tire pressure monitoring inflating valve |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115235683A (en) * | 2022-09-21 | 2022-10-25 | 吉林信息安全测评中心 | Intelligent monitoring device for industrial equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB181446A (en) * | 1921-03-08 | 1922-06-08 | Ludger L Heureux | Tire inflating apparatus |
| GB1209698A (en) * | 1967-09-07 | 1970-10-21 | Chirana Zd Y Zdravotnickej Tec | Improvements in or relating to pressure gauges |
| KR19990027948A (en) * | 1997-09-30 | 1999-04-15 | 양재신 | Portable tire pressure gauge |
| CN206841396U (en) * | 2017-06-23 | 2018-01-05 | 厦门莹宝电子有限公司 | A kind of sensor-type tire pressure monitoring equipment |
| CN107627793A (en) * | 2016-07-18 | 2018-01-26 | 上海保隆汽车科技股份有限公司 | A kind of attachment structure of tire pressure monitoring sensor and valve cock |
| CN209910875U (en) * | 2019-07-16 | 2020-01-07 | 江阴市创新气门嘴有限公司 | Tire pressure monitoring device of TPMS tire pressure monitoring inflating valve |
-
2019
- 2019-07-16 CN CN201910641412.6A patent/CN110207888B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB181446A (en) * | 1921-03-08 | 1922-06-08 | Ludger L Heureux | Tire inflating apparatus |
| GB1209698A (en) * | 1967-09-07 | 1970-10-21 | Chirana Zd Y Zdravotnickej Tec | Improvements in or relating to pressure gauges |
| KR19990027948A (en) * | 1997-09-30 | 1999-04-15 | 양재신 | Portable tire pressure gauge |
| CN107627793A (en) * | 2016-07-18 | 2018-01-26 | 上海保隆汽车科技股份有限公司 | A kind of attachment structure of tire pressure monitoring sensor and valve cock |
| CN206841396U (en) * | 2017-06-23 | 2018-01-05 | 厦门莹宝电子有限公司 | A kind of sensor-type tire pressure monitoring equipment |
| CN209910875U (en) * | 2019-07-16 | 2020-01-07 | 江阴市创新气门嘴有限公司 | Tire pressure monitoring device of TPMS tire pressure monitoring inflating valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115235683A (en) * | 2022-09-21 | 2022-10-25 | 吉林信息安全测评中心 | Intelligent monitoring device for industrial equipment |
| CN115235683B (en) * | 2022-09-21 | 2022-11-29 | 吉林信息安全测评中心 | Industrial equipment intelligent monitoring device |
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| Publication number | Publication date |
|---|---|
| CN110207888B (en) | 2024-02-20 |
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