CN105973527B - One kind is blown out method for detecting and cavity type tyre bursting sensor - Google Patents
One kind is blown out method for detecting and cavity type tyre bursting sensor Download PDFInfo
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- CN105973527B CN105973527B CN201610545085.0A CN201610545085A CN105973527B CN 105973527 B CN105973527 B CN 105973527B CN 201610545085 A CN201610545085 A CN 201610545085A CN 105973527 B CN105973527 B CN 105973527B
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- permanent magnetic
- magnetic piston
- seal cavity
- tyre
- spring
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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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- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
One kind that the present invention designs is blown out method for detecting and cavity type tyre bursting sensor, is provided a kind of No leakage catastrophic failure, sensing element and the switch of solving and is pressed fatigue, the technical solution of inside tires atmosphere pollution problem for a long time；It can be achieved that tyre bursting sensor is small, sensing element not touch-pressure switch under most conditions, only switch is just touched when sensing element air pressure inside is higher than external pressure, needs to export signal of tyre burst, meets the method for detecting of blowing out that tyre break detecting is actually needed.
Description
Technical field
The present invention relates to the monitoring technology of blowing out of vehicle Puffer-type tire, are particularly used for method for detecting of blowing out, blow out
The application method of sensor structure and tyre bursting sensor.
Background technology
Existing tyre bursting sensor is all made of absolute construction form, the internal compressible elastomeric seal cavity filled with certain gas
As sensing element；It is compressed under air pressure conditions using sensing element, after tyre break air pressure disappears, sensing element restores
Shape touch switch exports signal of tyre burst；Which can effectively detect it is any type of blow out, but leakage of seal chamber will be led
Cause tyre bursting sensor catastrophic failure, it is necessary to high density material be selected to be manufactured for seal cavity.
Secondly the adjustment of action parameter is complicated, is unfavorable for producing in batches on a large scale；The sensing element of tyre bursting sensor exists
Complete the inventory after adjustment, blow out and tire pressure monitoring modular manufacture, logistics etc. during, touched for a long time in non-compressed state
It compresses switch, tyre bursting sensor easy tos produce fatigue and causes parameter transformation.Switch contact for exporting signal of tyre burst needs to take
Special safeguard procedures solve inside tires and there is complicated dust, greasy dirt, vapor environmental pollution problem, will undoubtedly increase
The manufacture complexity and manufacturing cost of tyre bursting sensor.
Invention content
The object of the invention technology solves the problems, such as：It is balanced close in finite time using the compressible principle of air and metering-orifice
Seal cavity inner and outer air pressure characteristic, provide it is a kind of by tyre bursting sensor structure fusion blow out and tire pressure monitoring modular structure in,
No leakage causes catastrophic failure, presses fatigue without Mechanical Contact and switch, without considering that inside tires atmosphere pollutes switch contact
The detection techniques scheme of blowing out of problem；Due to by tyre bursting sensor structure fusion blow out and tire pressure monitoring module housing in, pole
Big reduce is blown out and the volume and weight of tire pressure monitoring module.
The present invention blows out method for detecting, it is characterised in that：It is equipped with the metering-orifice of inside and outside perforation in the seal cavity of rigidity；It is equipped with
It is communicated in one end and seal cavity, the other end is communicated with external environment, for providing permanent magnetic piston installation and sliding displacement, with wheel
The parallel tubulose air flue of tire axis；In the outside air flue of tubulose air flue permanent magnetic piston, it is equipped with the spring resetted for permanent magnetic piston,
Equipped with being limited to permanent magnetic piston SM set mode, spring is installed, equipped with the closure plug for blocking tubulose air flue；It is equipped with perforation blocking plug
Block plug positive stop end and external axis through bore；Magnet-sensitive switch for exporting signal of tyre burst, be installed on permanent magnetic piston be in set
For position state by the position of magnetic fields, active Hall switch or tongue tube can be selected in magnet-sensitive switch.
When external pressure is more than or equal to seal cavity air pressure inside, permanent magnetic piston is in reset state under the action of the spring,
Magnet-sensitive switch is in disconnection or cut-off state, no signal of tyre burst output；Only when seal cavity air pressure inside is more than external pressure,
Permanent magnetic piston generates displacement under the promotion of seal cavity air pressure inside, and magnet-sensitive switch is closed or is connected under the influence of permanent magnetic piston,
Signal of tyre burst is exported, is detected and is blown out with this；In practical applications, tyre bursting sensor is in the initial rank that tire is filled with air pressure
Section, tire pressure are more than seal cavity air pressure inside, and permanent magnetic piston is under external pressure and action of reset spring in reset shape
State, magnet-sensitive switch are in disconnection or cut-off state, no signal of tyre burst output, and metering-orifice keeps seal cavity inner and outer air pressure balanced, sealing
Inside cavity air pressure is equal with tire pressure；When tyre break causes tire pressure pop-off, seal cavity air pressure inside big
In external pressure, permanent magnetic piston overcomes the elastic force of spring, is moved to permanent magnetic piston set under the promotion of seal cavity air pressure inside
Position, magnet-sensitive switch export signal of tyre burst under magnetic fields, achieve the purpose that detecting of blowing out with this；At the same time, seal chamber
Body air pressure inside realizes that inner and outer air pressure is balanced by metering-orifice, and seal cavity pushes the air pressure of permanent magnet displacement to disappear, permanent magnetic piston
Reset position is returned under the action of the spring.
The tyre bursting sensor first scheme of technical solution of the invention design, it is characterised in that：Tyre bursting sensor by
It is set to and blows out and the semi-open cavity in tire pressure monitoring module housing, permanent magnetic piston, block plug, spring, PCB and be installed on
The magnet-sensitive switch of PCB forms；The semi-open cavity is closed to form seal cavity with PCB；It is blowing out and tire pressure monitoring module
Shell is equipped with and is connected to semi-open cavity, the tubulose air flue parallel with wheel axis；It is semi-open it to be equipped with perforation in semi-open cavity
The metering-orifice of cavity；The metering-orifice is equipped with the screw for adjusting flow；The permanent magnetic piston is surface package or coating solid profit
The permanent magnet of sliding material, the coated lubrication silicone grease of permanent magnetic piston are packed on the inside of tubulose air flue；The closure plug is equipped with and tubulose
The cylinder of air flue elastic conjunction, cylinder interior are equipped with the guide post for spring installation, and guide post plays limitation forever simultaneously
The effect of magnetic piston stroke is equipped with the axis through hole for penetrating through guide post and blocking plug blocking plug, changes guide post positive stop end
Realize that changing permanent magnetic piston is stranded in when permanent magnetic piston blocks the axis through bore of plug with the matched shape of permanent magnetic piston
The function of the time of SM set mode；Spring is mounted on guide post and is packed into tubulose air flue with plug is blocked, and permanent magnetic piston is in resetting spring
Reset state is under pushing tow, there are the strokes of permanent magnetic piston displacement between permanent magnetic piston and guide post；
The preferred tongue tube of magnet-sensitive switch, tongue tube, which is installed on, blows out and the pcb board of tire pressure monitoring module, tongue tube are connected to
Between the triggering end and signal ground of TPMS sensors, pcb board loading blow out and tire pressure monitoring module after with semi-open cavity shape
At seal cavity, tongue tube is in and is only moved to set position in permanent magnetic piston, it is made to be closed the position for generating output signal.
The tyre bursting sensor alternative plan of technical solution of the invention design, it is characterised in that：Tyre bursting sensor by
Be set to blow out and the seal cavity in tire pressure monitoring module housing, permanent magnetic piston, spring, block plug with magnet-sensitive switch form；
The seal cavity is provided with inside and outside connection, the tubulose air flue parallel with wheel axis；The permanent magnetic piston is surface packet
It wraps up in or the cylindhca permanent magnet of coating solid lubriation material, permanent magnetic piston is installed in the tubulose air flue of seal cavity, pass through tune
The clearance fit of whole permanent magnetic piston and tubulose air flue realizes the regulatory function of metering-orifice flow；The closure plug is equipped with and tubulose
The cylinder of air flue elastic conjunction, cylinder interior are equipped with the guide post for spring installation, and guide post plays limitation forever simultaneously
The effect of magnetic piston stroke is equipped with the axis through hole for penetrating through guide post and blocking plug blocking plug；Spring is mounted on guide post,
Be packed into tubulose air flue with blocking to fill in, permanent magnetic piston is pushed in back-moving spring top in reset state, permanent magnetic piston and guide post it
Between there are the strokes of permanent magnetic piston displacement；The preferred tongue tube of the magnet-sensitive switch, tongue tube, which is installed on, blows out and tire pressure monitoring
The pcb board of module is connected between the triggering end and signal ground of TPMS sensors, is blown out and tire pressure monitoring mould in pcb board loading
After block, tongue tube is in and is only moved to set position in permanent magnetic piston, it is made to be closed the position for generating output signal.
The remarkable result of the present invention is：It provides and a kind of tyre bursting sensor structure fusion is being blown out and tire pressure monitoring module
In structure, No leakage cause catastrophic failure, without Mechanical Contact and switch press fatigue, without consider inside tires atmosphere pollute ask
The detection techniques scheme of blowing out of topic；Due to by tyre bursting sensor structure fusion blow out and tire pressure monitoring module housing in, greatly
Reduce and blow out and the volume and weight of tire pressure monitoring module；Work as tyre break, only when seal cavity air pressure inside is higher than outer
Portion's air pressure exports signal of tyre burst, meets the method for detecting of blowing out of tyre break detecting actual needs.
Due to the method for detecting of blowing out that the present invention designs, using the compressible principle of air, using the spy of metering-orifice equilibrium air pressure
Property, the air pressure put aside by seal cavity pushes permanent magnetic piston triggering magnet-sensitive switch to export signal of tyre burst, seals in moment of blowing out
The leakproofness of cavity has become non-vital factor, to the material of seal cavity without rigors.
The tyre bursting sensor that the present invention designs is according to different kinds of tyre air pressure, once it is determined that metering-orifice flow, without complicated action
Air pressure adjustment link is conducive to the large-scale mass production of tyre bursting sensor；By the present invention, monitoring of blowing out no longer is can not be real
Existing thing, tyre bursting sensor, which imparts the low TPMS systems of real-time and has monitoring, blows out ability, has both met the monitoring institute that blows out
Real-time is needed, and meets the requirement of long-term low-power consumption steady operation.
Description of the drawings
Fig. 1, detecting principle schematic of blowing out；
Fig. 2, tyre bursting sensor structure cut-away view；
Fig. 3, tubulose air flue and closure plug structure schematic diagram.
Specific implementation mode
Embodiment 1
The tyre bursting sensor of the embodiment of the present invention 1 is described in detail with reference to Fig. 1, Fig. 2, Fig. 3.
Tyre bursting sensor is blown out and the semi-open cavity of tire pressure monitoring module housing (K) (1), permanent magnetic piston by being set to
(2), spring (3), closure plug (4), pcb board (5) and tongue tube (6) form；It is blowing out and tire pressure monitoring module housing (K) is set
Have and is connected to semi-open cavity (1), the tubulose air flue (A) parallel with wheel axis；It is half-open it to be equipped with perforation in semi-open cavity (1)
Put the metering-orifice (L) of cavity (1)；The metering-orifice (L), by adjusting the screw (M) of flow, adjustment, which reaches different kinds of tyre air pressure, to be needed
The dynamic characteristic wanted；The permanent magnetic piston (2) be surface package or coating solid lubriation material (such as：Teflon) permanent magnetism
The permanent magnetic piston (2) of body, coated lubrication silicone grease is packed on the inside of tubulose air flue (A)；The closure plug (4) is equipped with and tubulose gas
The cylinder of road (A) elastic conjunction, cylinder interior are equipped with the guide post for spring (3) installation, and guide post plays limit simultaneously
The effect of permanent magnetic piston (2) stroke processed is equipped with the axis through hole for penetrating through guide post and blocking plug blocking plug (4)；Spring (3)
It is packed into tubulose air flue (A) with plug (4) is blocked mounted on guide post, permanent magnetic piston (2) is under spring (3) effect resets shape
State, there are the strokes of permanent magnetic piston (2) displacement between guide post for permanent magnetic piston (2)；Tongue tube (6), which is installed on, blows out and tire pressure
The pcb board (5) of monitoring modular, tongue tube (6) are connected between the ends INT of TPMS sensors and GND, are packed into pcb board (5) quick-fried
Tire and tire pressure monitoring module housing (K) form seal cavity (Q) with semi-open cavity (1) afterwards, and tongue tube (6) is in only in permanent magnetism
Piston (2) is moved to set position, it is made to be closed the position for generating output signal, and silica gel is perfused in the exposed part of pcb board (5)
(J) sealed damp-proof processing is done.
Flat tire monitoring method, it is characterised in that：When blowing out and tire pressure monitoring module is installed in tire, tyre inflating extremely
During normal tire pressure, external pressure is more than seal cavity (Q) air pressure inside, and permanent magnetic piston (2) is in spring (3) and external pressure
Effect is lower to be in reset state, and tongue tube (6) is influenced without magnetic field, and contact is off, no signal of tyre burst output；Throughput
The proportionality action in hole (L), seal cavity (Q) air pressure inside P is equal with tire pressure, permanent magnetic piston under the action of spring (3)
(2) it is in reset state；When tyre break tire pressure disappears, seal cavity (Q) air pressure inside P is more than external pressure, permanent magnetism
Piston (2) generates the guide post positive stop end for being moved to and blocking plug (4), permanent magnetic piston under the promotion of seal cavity (Q) air pressure inside
(2) magnetic fields make the external wake end INT and GND of TPMS sensor circuits in tongue tube (6), tongue tube (6) contact closure
End connection, TPMS sensors are waken up test tire pressure, are sent containing signal of tyre burst and tire pressure parameter by RF immediately
Data frame completion blow out detecting.
Embodiment 2
The tyre bursting sensor of the embodiment of the present invention 2 is described in detail with reference to Fig. 1, Fig. 2, Fig. 3.
As a kind of transformation, the metering-orifice (L) of embodiment 2 is set to tubulose air flue (A), and permanent magnetic piston (2) is not coated by silicon
Fat is installed using dry type, by accurately adjusting the clearance fit of permanent magnetic piston (2) and tubulose air flue (A), realizes that metering-orifice (L) flows
The regulatory function of amount, moreover it is possible to reduce adjustment link；Active Hall switch also can be selected in magnet-sensitive switch；
Although embodiment 2 has made some adjustment in the structure of metering-orifice.Opposite embodiment 1 has no the change of essence；Implement
The flat tire monitoring method of the installation of the tyre bursting sensor of example 2, tyre bursting sensor is same as Example 1.
Claims (10)
1. method for detecting of blowing out, it is characterised in that：Using the compressible principle of air, passed through inside and outside the seal cavity setting of rigidity
Lead to, the balanced seal cavity inner and outer air pressure in finite time, the metering-orifice for keeping seal cavity air pressure inside equal with external pressure；Institute
The metering-orifice setting stated provides permanent magnetic piston installation and slides in the tubulose air flue of displacement parallel with tire axle, one end with
It is communicated inside seal cavity, the other end is communicated with outside；
By the gap of precise match permanent magnetic piston and tubulose air flue, the adjustment of metering-orifice flow is realized, the dynamic for reaching needs is special
Property；
The air flue on the outside of the tubulose air flue for being mounted with permanent magnetic piston is equipped with the spring resetted for permanent magnetic piston, is equipped with to permanent magnetism
The limit of piston SM set mode, installation spring, the closure plug equipped with closure tubulose air flue；
It is equipped with the guide post for spring installation in the closure plug, guide post plays the work of limitation permanent magnetic piston stroke simultaneously
With in axis through hole of the closure plug equipped with perforation guide post with closure plug, of change guide post positive stop end and permanent magnetic piston
With shape, when permanent magnetic piston blocks the axis through bore of plug, realizes and change the time that permanent magnetic piston is stranded in SM set mode
Function；
It is additionally provided with the magnet-sensitive switch for exporting signal of tyre burst, which is moved to SM set mode magnetic mounted on permanent magnetic piston
Field action exports the position of signal of tyre burst in magnet-sensitive switch.
2. method for detecting according to claim 1 of blowing out, it is characterized in that：When tire pressure is normal, seal cavity air pressure inside
Equal with tire, when blowing out, tire pressure pop-off, the permanent magnetic piston both ends in air flue form draught head,
Permanent magnetic piston generates displacement in the case where the air pressure of seal cavity pushes, and magnet-sensitive switch is closed or leads under permanent magnetic piston magnetic fields
It is logical, export signal of tyre burst.
3. method for detecting according to claim 1 of blowing out, it is characterized in that：When external pressure is more than or equal to inside seal cavity
When air pressure, permanent magnetic piston is in reset state under the action of the spring, and magnet-sensitive switch is in disconnection or cut-off state, no signal of tyre burst
Output；Only when seal cavity air pressure inside is more than external pressure, permanent magnetic piston generates under the promotion of seal cavity air pressure inside
Displacement, magnet-sensitive switch are closed or are connected under the influence of permanent magnetic piston, export signal of tyre burst；In practical applications, tyre bursting sensor
Be filled with the starting stage of air pressure in tire, tire pressure is more than seal cavity air pressure inside, permanent magnetic piston external pressure with
Spring effect is lower to be in reset state, and magnet-sensitive switch is in disconnection or cut-off state, and no signal of tyre burst output, metering-orifice is when limited
It is interior to keep seal cavity inner and outer air pressure balanced.
4. method for detecting according to claim 1 of blowing out, it is characterized in that：When tyre break causes tire pressure moment to disappear
It loses, seal cavity air pressure inside is more than external pressure, and draught head occur in permanent magnetic piston both ends, and permanent magnetic piston is inside seal cavity
Under air pressure pushes, the elastic force of spring is overcome to be moved to permanent magnetic piston set position, magnet-sensitive switch is under permanent magnetic piston magnetic fields
It is closed or conducting, output signal of tyre burst achievees the purpose that detecting of blowing out with this；At the same time, seal cavity air pressure inside passes through
Metering-orifice realizes that inner and outer air pressure is balanced, and seal cavity pushes the air pressure of permanent magnet displacement to disappear, and permanent magnetic piston returns under the action of the spring
To reset position.
5. realizing the cavity type tyre bursting sensor for method for detecting of blowing out described in claim 1, it is characterised in that：Tyre bursting sensor by
It is set to and blows out and the semi-open cavity in tire pressure monitoring module housing, permanent magnetic piston, block plug, spring, PCB and be installed on
The magnet-sensitive switch of PCB forms；The semi-open cavity is closed to form seal cavity with PCB；It is blowing out and tire pressure monitoring module
Shell is equipped with and is connected to semi-open cavity, the tubulose air flue parallel with wheel axis；It is semi-open it to be equipped with perforation in semi-open cavity
The metering-orifice of cavity；The metering-orifice is equipped with the screw for adjusting flow；Permanent magnetic piston is arranged on the inside of tubulose air flue；The closure
Plug is equipped with the cylinder with tubulose air flue elastic conjunction, and cylinder interior is equipped with the guide post for spring installation, and guide post is same
When play the role of limit permanent magnetic piston stroke, block plug be equipped with perforation guide post with block plug axis through hole；Spring
It is packed into tubulose air flue with plug is blocked mounted on guide post, permanent magnetic piston is pushed in back-moving spring top in reset state, and permanent magnetism is lived
There are the strokes of permanent magnetic piston displacement between plug and guide post.
6. realizing the cavity type tyre bursting sensor for method for detecting of blowing out described in claim 1, it is characterised in that：Tyre bursting sensor by
Be set to blow out and the seal cavity in tire pressure monitoring module housing, permanent magnetic piston, spring, block plug with magnet-sensitive switch form；
The seal cavity is provided with inside and outside connection, the tubulose air flue parallel with wheel axis；Permanent magnetic piston is installed on seal cavity
Tubulose air flue in, by adjusting the clearance fit of permanent magnetic piston and tubulose air flue, realize the regulatory function of metering-orifice flow；It is described
Closure plug be equipped with cylinder with tubulose air flue elastic conjunction, cylinder interior is equipped with the guide post for spring installation, leads
Play the role of limiting permanent magnetic piston stroke simultaneously to column, is blocking plug equipped with perforation guide post and the axis perforation for blocking plug
Hole；Spring is mounted on guide post, and tubulose air flue is packed into blocking to fill in, and permanent magnetic piston pushes to be in back-moving spring top resets shape
State, there are the strokes of permanent magnetic piston displacement between permanent magnetic piston and guide post.
7. cavity type tyre bursting sensor according to claim 5 or 6, it is characterised in that：It is described to blow out output for signal
Magnet-sensitive switch be tongue tube, which, which is installed on, blows out and the triggering of the pcb board of tire pressure monitoring module and TPMS sensors
End formed trigger circuit connection, pcb board loading blow out and tire pressure monitoring module after, tongue tube be in only in permanent magnetic piston displacement
To set position, it is made to be closed the position for generating output signal.
8. cavity type tyre bursting sensor according to claim 5 or 6, it is characterised in that：It is described to blow out output for signal
Magnet-sensitive switch be Hall switch, Hall switch, which is installed on, blows out and the pcb board of tire pressure monitoring module and TPMS sensors touch
Originator formed trigger circuit connection, pcb board loading blow out and tire pressure monitoring module after, Hall switch be in only in permanent magnetic piston
It is moved to set position, turns it on the position for generating output signal.
9. cavity type tyre bursting sensor according to claim 5 or 6, it is characterised in that：The permanent magnetic piston is surface
The permanent magnet of solid lubricant is wrapped up or is coated with, the coated lubrication silicone grease of permanent magnetic piston is packed on the inside of tubulose air flue.
10. cavity type tyre bursting sensor according to claim 5 or 6, it is characterized in that：The metering-orifice adjustment passes through in taper
It is realized with taper needle construction in hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610545085.0A CN105973527B (en) | 2016-07-12 | 2016-07-12 | One kind is blown out method for detecting and cavity type tyre bursting sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610545085.0A CN105973527B (en) | 2016-07-12 | 2016-07-12 | One kind is blown out method for detecting and cavity type tyre bursting sensor |
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| Publication Number | Publication Date |
|---|---|
| CN105973527A CN105973527A (en) | 2016-09-28 |
| CN105973527B true CN105973527B (en) | 2018-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610545085.0A Active CN105973527B (en) | 2016-07-12 | 2016-07-12 | One kind is blown out method for detecting and cavity type tyre bursting sensor |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201016828Y (en) * | 2006-10-11 | 2008-02-06 | 桂林思超汽车科技有限公司 | Tyre bursting sensor |
| CN201034772Y (en) * | 2007-05-25 | 2008-03-12 | 桂林思超汽车科技有限公司 | Tyre burst sensor |
| CN101162180A (en) * | 2006-10-11 | 2008-04-16 | 桂林思超汽车科技有限公司 | Tyre bursting sensor |
| CN101311692A (en) * | 2007-05-25 | 2008-11-26 | 桂林思超汽车科技有限公司 | Tyre burst sensor and tyre burst monitoring method |
| CN105628292A (en) * | 2016-04-07 | 2016-06-01 | 桂林思超汽车科技有限公司 | Tyre burst detection method and tyre burst sensor |
| CN205958173U (en) * | 2016-07-12 | 2017-02-15 | 桂林思超汽车科技有限公司 | Cavity formula sensor of blowing out |
-
2016
- 2016-07-12 CN CN201610545085.0A patent/CN105973527B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201016828Y (en) * | 2006-10-11 | 2008-02-06 | 桂林思超汽车科技有限公司 | Tyre bursting sensor |
| CN101162180A (en) * | 2006-10-11 | 2008-04-16 | 桂林思超汽车科技有限公司 | Tyre bursting sensor |
| CN201034772Y (en) * | 2007-05-25 | 2008-03-12 | 桂林思超汽车科技有限公司 | Tyre burst sensor |
| CN101311692A (en) * | 2007-05-25 | 2008-11-26 | 桂林思超汽车科技有限公司 | Tyre burst sensor and tyre burst monitoring method |
| CN105628292A (en) * | 2016-04-07 | 2016-06-01 | 桂林思超汽车科技有限公司 | Tyre burst detection method and tyre burst sensor |
| CN205958173U (en) * | 2016-07-12 | 2017-02-15 | 桂林思超汽车科技有限公司 | Cavity formula sensor of blowing out |
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| Publication number | Publication date |
|---|---|
| CN105973527A (en) | 2016-09-28 |
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