CN1230317C - Film-type tyre pressure meter - Google Patents
Film-type tyre pressure meter Download PDFInfo
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- CN1230317C CN1230317C CN 01115438 CN01115438A CN1230317C CN 1230317 C CN1230317 C CN 1230317C CN 01115438 CN01115438 CN 01115438 CN 01115438 A CN01115438 A CN 01115438A CN 1230317 C CN1230317 C CN 1230317C
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- film
- push rod
- inner sleeve
- pressure meter
- tyre pressure
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Abstract
The present invention relates to a film-type tyre pressure meter, which is provided with a shell, a flexible telescopic thin film, a push rod, an inner sleeve pipe and a spring, wherein the flexible telescopic thin film is arranged in a containing chamber of the shell. The push rod is combined with the flexible telescopic thin film, and can actuate by following the telescopic stroke of the flexible telescopic thin film. The inner sleeve pipe is arranged in the containing chamber of the shell, and the spring is sheathed with the push rod. The present invention is fixedly provided with an air nozzle which is installed on a tyre to display tyre pressure of the tyre.
Description
Technical field
The present invention is relevant for a kind of tire pressure measurement device, particularly about a kind of film-type tyre pressure meter.
Background technology
In known pressure tester in order to caution tire pressure deficiency, in order to detect the pressure of tire, can adopt the pliability piston that stretches, its size with tire pressure is stretched, and can eliminate or reduce friction between piston and the housing, make the demonstration of pressure comparatively accurate.
In known patent documentation, applied for the US Patent the 5th got permission by the inventor, disclosed a kind of diaphragm-type pressure meter (Diaphragm Type PressureMeasuring Device) for 677, No. 492, it provides the device that comes measurement gas pressure with film.US Patent the 4th in addition, 945, No. 337,5,014, No. 643,5,025, No. 244,5,289, No. 161 and 5,694, patents such as No. 111 all propose the structure of tire pressure indicator (Tire Pressure Indicator), so that the function that monitors that tire pressure is whether not enough to be provided, the structure of aforementioned known devices all designs according to the mode of its tire pressure caution, therefore, and when having the demand of different tire pressure warning way, just need to make structure and the diverse tire pressure alarming device of assembling mode, so caused the high of the inconvenience made and manufacturing cost.
Summary of the invention
Purpose of the present invention is providing a kind of film-type tyre pressure meter, and its element is simple relatively, assembles more or less freelyly, can be applicable to different tire pressure warning ways.
Another object of the present invention is providing a kind of film-type tyre pressure meter, can simply finely tune correction, is fit to volume production.
According to characteristic of the present invention, the film-type tyre pressure meter that is proposed comprises: a housing has an accommodation chamber and a socket part; One movable film places the accommodation chamber of this housing; One push rod is incorporated into this movable film, can move with the flexible stroke of this movable film; One inner sleeve places the accommodation chamber of this housing, and this inner sleeve has a upper end and a lower end; And, a spring, sheathed this push rod.
Wherein this push rod is combined into one with this movable film.
Wherein the upper end of this inner sleeve is combined with one and adjusts lid, and this push rod can stretch out in this adjustment lid, adjusts the relative displacement that covers with this inner sleeve upper end by this, and can adjust the length that push rod stretches out, and so tire gauge is finely tuned correction.
Wherein this movable film is a pliability self-adhering film.
Wherein this pliability Flexible film has a pedestal portion and a flexible fold portion, and the pedestal of this pliability self-adhering film is positioned the lower end of this inner sleeve.
Wherein this inner sleeve has an inward flange and an outward flange, and this push rod has a bottom chow ring, and the spring of this sheathed push rod is placed between this inner sleeve inward flange and the push rod bottom chow ring.
Wherein the bottom chow ring of this push rod is arranged with a pad.
Wherein this housing top offers an open-work in conjunction with a transparent cover in this transparent cover.
Wherein the socket part of this housing has one and presses bar.
According to another characteristic of the present invention, the film-type tyre pressure meter that is proposed comprises: a housing has an accommodation chamber and a socket part; One movable film places the accommodation chamber of this housing; One push rod is incorporated into this movable film, can be with the flexible stroke of this movable film knee-action; One inner sleeve places the accommodation chamber of this housing, and this inner sleeve has a upper end and a lower end; One adjusts lid, is incorporated into the upper end of this inner sleeve, and this push rod can stretch out in this adjustment lid, adjusts the relative displacement that covers with this inner sleeve upper end by this, and can adjust the length that push rod stretches out; One spring, sheathed this push rod; One conducting strip is arranged on this adjustment lid; One printed circuit board (PCB) is arranged on this conducting strip to form and electrically connects, and has a luminous element on this printed circuit board (PCB); And, one battery tray, be arranged on this push rod, be equipped with a battery in this battery tray, the luminous element of one electrode and this printed circuit board (PCB) electrically connects, and its another electrode and this battery tray electrically connect, wherein, this battery tray optionally contacts with this conducting strip with the start up and down of this push rod, to light this luminous element.
Wherein the lower edge of this conducting strip is inwardly curved establishes, and covers and be bonded to this adjustment with its lower edge.
Wherein a pin of the luminous element of this printed circuit board (PCB) is connected in the power spring that is arranged on printed circuit board (PCB) bottom surface central authorities, electrically connect with battery, another pin then is connected in the conductor that is arranged on printed circuit board (PCB) bottom surface periphery, forms electrical the contact with this conducting strip.
Wherein the bottom of this battery tray has a screw rod, makes that this battery tray can this screw rod and spiral shell and being fixedly arranged on this push rod, and can realize the fine setting of tire gauge by adjusting screw rod.
Wherein this pliability Flexible film has a pedestal portion and a flexible fold portion, and the pedestal of this pliability self-adhering film is positioned the lower end of this inner sleeve.
Wherein this inner sleeve has an inward flange and an outward flange, and this push rod has a bottom chow ring, and the spring of this sheathed push rod is placed between this inner sleeve inward flange and the push rod bottom chow ring.
Wherein this housing top is in conjunction with a transparent cover, to fix this printed circuit board (PCB).
According to another characteristic of the present invention, the film-type tyre pressure meter that is proposed comprises: a housing has an accommodation chamber and a socket part; One movable film places the accommodation chamber of this housing; One push rod is incorporated into this movable film, can be with the flexible stroke of this movable film knee-action; One inner sleeve places the accommodation chamber of this housing, and this inner sleeve has a upper end and a lower end; One adjusts lid, is incorporated into the upper end of this inner sleeve, and this push rod can stretch out in this adjustment lid, adjusts the relative displacement that covers with this inner sleeve upper end by this, and can adjust the length that push rod stretches out; One spring, sheathed this push rod; One conducting strip is arranged on this adjustment lid; One printed circuit board (PCB) is arranged on this conducting strip to form and electrically connects, and has a radio-frequency transmissions circuit on this printed circuit board (PCB); And, one battery tray, be arranged on this push rod, be equipped with a battery in this battery tray, the radio-frequency transmissions circuit of one electrode and this printed circuit board (PCB) electrically connects, and its another electrode and this battery tray electrically connect, wherein, this battery tray optionally contacts with this conducting strip with the start up and down of this push rod, to supply power to this radio-frequency transmissions circuit, to send the radio signals of representing the tire pressure deficiency.
Wherein the lower edge of this conducting strip is inwardly curved establishes, and covers and be bonded to this adjustment with its lower edge.
Wherein the bottom of this battery tray has a screw rod, makes that this battery tray can this screw rod and spiral shell and being fixedly arranged on this push rod, and can realize the fine setting of tire gauge by adjusting screw rod.
Wherein this pliability Flexible film has a pedestal portion and a flexible fold portion, and the pedestal of this pliability self-adhering film is positioned the lower end of this inner sleeve.
Wherein this inner sleeve has an inward flange and an outward flange, and this push rod has a bottom chow ring, and the spring of this sheathed push rod is placed between this inner sleeve inward flange and the push rod bottom chow ring.
Wherein this housing top is in conjunction with a cover cap, to fix this printed circuit board (PCB).
Wherein this radiofrequency emitting module is made of memory control circuit and transmission circuit, this memory body stores emission heading code and tire coding information, make when powered battery during to radiofrequency emitting module, this control circuit just reads the heading code of this radiofrequency emitting module and the tire coding of this radiofrequency emitting module is installed from this memory body, and sends the less radio-frequency signal that has this heading code and tire coding by this transmission circuit.
Description of drawings
Below in conjunction with the accompanying drawings, the present invention is done to describe in detail with embodiment, wherein:
Fig. 1 is the decomposition texture scheme drawing of embodiment 1,
Fig. 2 is the generalized section of embodiment 1
Fig. 3 is installed on an airtyred generalized section for embodiment 1,
Fig. 4 is the decomposition texture scheme drawing of embodiment 2,
Fig. 5 is the generalized section of embodiment 2,
Fig. 6 is the decomposition texture scheme drawing of embodiment 3,
Fig. 7 is the generalized section of embodiment 3,
Fig. 8 is the functional block diagram of the radiofrequency emitting module of embodiment 3,
Fig. 9 is the circuit diagram of embodiment 3 radiofrequency emitting modules,
Figure 10 is the functional block diagram that embodiment 3 accepts module,
Figure 11 accepts the circuit diagram of module for embodiment 3.
The specific embodiment
The structure of a relevant preferred embodiment of the present invention sees also Fig. 1, and it comprises that roughly the movable film 20 of a housing 10,, a push rod 30, an inner sleeve 40, a spring 50, adjust and cover 60, one pad 70 and a cover cap 80 the present invention.In the present embodiment, this movable film 20 is a pliability self-adhering film 25, and this push rod 30 can be combined into one with this pliability self-adhering film 25, and in addition, this movable film 20 also can be a waveform metallic diaphragm or bellows, and this cover cap 80 is a transparent material.
Please cooperate and consult Fig. 2, housing 10 has an accommodation chamber 11 and a socket part 12, and socket part 12 has one and presses bar 121 and be provided with a pad 122.Pliability self-adhering film 25 places the accommodation chamber 11 of this housing 10, and push rod 30 can be combined into one with this pliability self-adhering film 25, can the start up and down with the flexible stroke of this pliability self-adhering film 25.Inner sleeve 40 places the accommodation chamber 11 of this housing 10, spring 50 sheathed these catch bars.This pliability self-adhering film 25 has a pedestal portion 21 and a flexible fold portion 22, and the pedestal portion 21 of this pliability self-adhering film 25 is positioned the lower end 42 of this inner sleeve 40.This inner sleeve 40 has an inward flange 43 and an outward flange 44, and this push rod 30 has a bottom chow ring 31, and the bottom chow ring 31 of this push rod 30 is arranged with a pad 70.The spring 50 of this sheathed push rod 30 is placed between these inner sleeve 40 inward flanges 43 and the push rod 30 bottom chow rings 31.These housing 10 tops offer an open-work 81 in conjunction with this transparent cover 80 in this transparent cover 80.
The function that the present invention can provide fine setting to proofread and correct, see also Fig. 2, the upper end 41 of this inner sleeve 40 is combined with an adjustment and covers 60, this push rod 30 can stretch out in this adjustment lid 60, adjust by this and cover 60 and the relative displacement of these inner sleeve 40 upper ends 41, and can adjust the length that push rod 30 stretches out, so tire gauge is finely tuned correction.The so all test of product before dispatching from the factory when as discovery error being arranged, all can be done fine setting and proofread and correct, and can guarantee that each product has same superior degree.
When using tire gauge of the present invention, see also Fig. 2 and Fig. 3, it is for setting firmly the valve 100 that is installed on a tire 90, the gas of tire 90 can be filled the flexible fold portion 22 of pliability self-adhering film 25 through the air extractor vent 123 of housing 10 socket parts 12, the flexible fold portion 22 of pliability self-adhering film 25 can be with the start of stretching of air pressure size, also start thereupon of push rod 30, the gaseous tension of tire is big more, the past more rising of push rod 30, the air pressure of tire is more little, the past more decline of push rod 30.For making things convenient for the user to observe, push rod 30 can impose color or data, for example yellowish green red or unit, and cover 60 as sign to adjust, and therefore, whether the user can expose and judge whether deficiency of tire pressure easily by inspecting push rod 30.
Fig. 4 and Fig. 5 show another preferred embodiment structure of the present invention, it is provided with a conducting strip 61 with different these adjustment lids 60 that are of last embodiment, conducting strip 61 is provided with a printed circuit board (PCB) 62, then be provided with a battery tray 63 on this push rod 30 in addition, wherein, this conducting strip 61 preferably omits circlewise and its lower edge 611 is inwardly curved establishes, and can be bonded on this adjustment lid 60 by its lower edge 611, this printed circuit board (PCB) 62 corresponds to the top of this conducting strip 61, it is provided with the luminous element of light-emitting diode 621 for example, one pin of this light-emitting diode 621 is connected in the power spring 622 that is arranged on printed circuit board (PCB) 62 bottom surface central authorities, another pin then is connected in the conductor 623 that is arranged on printed circuit board (PCB) 62 bottom surface peripheries, and owing to this printed circuit board (PCB) 62 is arranged on this conducting strip 61, therefore, this conductor 623 forms electrical the contact with the top of this conducting strip 61.
Can be for a battery 631 be set in this battery tray 63, and the bottom of battery tray 63 has a screw rod 632, make that this battery tray 63 can this screw rod 632 and spiral shell and being fixedly arranged on this push rod 30, and can be by adjusting 632 fine settings that realize tire gauge of screw rod.An electrode of the battery 631 in this battery tray 63 electrically contacts with the power spring 622 of these printed circuit board (PCB) 62 bottom surfaces again, and another utmost point then directly electrically contacts with this battery tray 63.When assembling, cooperate with reference to shown in Figure 5, can be this printed circuit board (PCB) 62 is fixing by this transparent cover 80, and this battery tray 63 just is positioned at this conducting strip 61 and printed circuit board (PCB) 62 formed spaces, and the diameter in the zone that the diameter of this battery tray 63 is surrounded greater than these conducting strip 61 root edges 611, therefore, when the position of battery tray 63 descends, this battery tray 63 will contact with the root edge 611 of conducting strip 61, make battery 631 and this light-emitting diode 621 constitute a loop and light this light-emitting diode 621.With this, the gaseous tension of the tire of detecting when tire gauge is big more, the past more rising of push rod 30, and battery tray 63 will not contact with the root edge 611 of this conducting strip 61, and therefore, battery 631 power supplys are not supplied to this light-emitting diode 621, and do not light this light-emitting diode 621; And if the gaseous tension of tire is more little, the past more decline of push rod 30, this battery tray 63 just contacts with the root edge 611 of conducting strip 61 and lights this light-emitting diode 621, and the user just can inspect the tire pressure deficiency of learning tire at a distance.
Fig. 6 and Fig. 7 show the structure of another preferred embodiment of the present invention, it only is that with last embodiment different set on this printed circuit board (PCB) 62 is a radio frequency (RF) transmitter module 625, and this cover cap 80 just need not to be transparent person, with when the too little and push rod 30 of the tire pressure of tire when descending and this battery tray 63 is contacted with the root edge 611 of conducting strip 61, the electric power of battery 631 can be supplied to this radiofrequency emitting module 625, is installed on receiver module (not shown) in the automobile to send the radiowave to of representing the tire pressure deficiency.
Fig. 8 and Fig. 9 show the function square and the circuit diagram of this radio frequency (RF) transmitter module 625 respectively, it shows that this radiofrequency emitting module 625 is by memory body 6251, control circuit 6252 and transmission circuit 6253 constitute, wherein, this memory body 6251 has stored the emission heading code and tire is deceived information such as sign indicating number, make when the tire pressure deficiency and battery 631 when supplying power to radiofrequency emitting module 625, this control circuit just reads the heading code of this radio-frequency module 625 and the tire coding of this radiofrequency emitting module 625 is installed from this memory body 6251, and sends the less radio-frequency signal that has this heading code and tire coding by this transmission circuit 6253.
Figure 10 and Figure 11 represent to be installed on the function square and the circuit diagram of the receiver module in the automobile respectively, it represents that this receiver module is by memory body 951, control circuit 952, acceptor circuit 953, read out instrument 954 and buzzer phone 955 constitute, wherein, this memory body 951 stores information such as emission heading code and tire coding, make when acceptor circuit 953 is received the radio-frequency (RF) signal of representing the tire pressure deficiency, this control circuit 952 can read its heading code and tire coding from this memory body 951, heading code and the comparison of tire coding information with the signal that is received, to judge whether to receive the tire coding of correct signal and tire pressure deficiency, as be defined as the signal that corresponding transmitter module sends through comparison, show on read out instrument 954 that then the caution message is to inform the user, or send caution sound by buzzer phone 955, in this preferred embodiment, this read out instrument 954 can be a Liquid Crystal Display (LCD) 9541 (LCD), with tire by graphic display tire pressure deficiency, also can have a plurality of light-emitting diodes 9542, each light-emitting diode 9542 is represented a tire of vehicle, warning the tire pressure deficiency of a certain tire by lighting a particular led 9542, so the user's specific tires tire pressure deficiency whether that need not get off and can learn vehicle.
By above explanation as can be known, the present invention really realizes warning with color, data unit, light or radiowave the film-type tyre pressure meter of the tire pressure deficiency of specific tires by simple structure, and fine setting or dual sharply tuned function can be provided, make that the use of tire gauge is more convenient, accurate.
In sum, the present invention really can reach goal of the invention with the structure that is disclosed, and has progressive ground utility function.But the above only is preferred embodiment of the present invention, and various modifications of the present invention of all foundations and variation must be forgiven in the scope of the application's patent.
Claims (22)
1, a kind of film-type tyre pressure meter for setting firmly the valve that is installed on a tire, for caution pressure of tire deficiency, is characterized in that, comprising:
One housing has an accommodation chamber and a socket part;
One movable film places the accommodation chamber of this housing;
One push rod is incorporated into this movable film, can move with the flexible stroke of this movable film;
One inner sleeve, place the accommodation chamber of this housing, this inner sleeve has a upper end and a lower end, wherein the upper end of this inner sleeve is combined with one and adjusts lid, this push rod can stretch out in this adjustment lid, adjust the relative displacement of lid and this inner sleeve upper end by this, and can adjust the length that push rod stretches out, so tire gauge is finely tuned correction; And
One spring, sheathed this push rod.
2, film-type tyre pressure meter as claimed in claim 1 is characterized in that, wherein this push rod is combined into one with this movable film.
3, film-type tyre pressure meter as claimed in claim 1 is characterized in that, wherein this movable film is a pliability self-adhering film.
4, film-type tyre pressure meter as claimed in claim 3 is characterized in that, wherein this pliability Flexible film has a pedestal portion and a flexible fold portion, and the pedestal of this pliability self-adhering film is positioned the lower end of this inner sleeve.
5, film-type tyre pressure meter as claimed in claim 1 is characterized in that, wherein this inner sleeve has an inward flange and an outward flange, and this push rod has a bottom chow ring, and the spring of this sheathed push rod is placed between this inner sleeve inward flange and the push rod bottom chow ring.
6, film-type tyre pressure meter as claimed in claim 5 is characterized in that, wherein the bottom chow ring of this push rod is arranged with a pad.
7, film-type tyre pressure meter as claimed in claim 1 is characterized in that, wherein this housing top offers an open-work in conjunction with a transparent cover in this transparent cover.
8, film-type tyre pressure meter as claimed in claim 1 is characterized in that, wherein the socket part of this housing has one and presses bar.
9, a kind of film-type tyre pressure meter for setting firmly the valve that is installed on a tire, for caution pressure of tire deficiency, is characterized in that, comprising:
One housing has an accommodation chamber and a socket part;
One movable film places the accommodation chamber of this housing;
One push rod is incorporated into this movable film, can be with the flexible stroke of this movable film knee-action;
One inner sleeve places the accommodation chamber of this housing, and this inner sleeve has a upper end and a lower end;
One adjusts lid, is incorporated into the upper end of this inner sleeve, and this push rod can stretch out in this adjustment lid, adjusts the relative displacement that covers with this inner sleeve upper end by this, and can adjust the length that push rod stretches out;
One spring, sheathed this push rod;
One conducting strip is arranged on this adjustment lid;
One printed circuit board (PCB) is arranged on this conducting strip to form and electrically connects, and has a luminous element on this printed circuit board (PCB); And
One battery tray, be arranged on this push rod, be equipped with a battery in this battery tray, the luminous element of one electrode and this printed circuit board (PCB) electrically connects, its another electrode and this battery tray electrically connect, wherein, this battery tray optionally contacts with this conducting strip with the start up and down of this push rod, to light this luminous element.
10, film-type tyre pressure meter as claimed in claim 9 is characterized in that, wherein the lower edge of this conducting strip is inwardly curved establishes, and covers and be bonded to this adjustment with its lower edge.
11, film-type tyre pressure meter as claimed in claim 9, it is characterized in that, wherein a pin of the luminous element of this printed circuit board (PCB) is connected in the power spring that is arranged on printed circuit board (PCB) bottom surface central authorities, electrically connect with battery, another pin then is connected in the conductor that is arranged on printed circuit board (PCB) bottom surface periphery, forms electrical the contact with this conducting strip.
12, film-type tyre pressure meter as claimed in claim 9 is characterized in that, wherein the bottom of this battery tray has a screw rod, makes that this battery tray can this screw rod and spiral shell and being fixedly arranged on this push rod, and can realize the fine setting of tire gauge by adjusting screw rod.
13, film-type tyre pressure meter as claimed in claim 9 is characterized in that, wherein this pliability Flexible film has a pedestal portion and a flexible fold portion, and the pedestal of this pliability self-adhering film is positioned the lower end of this inner sleeve.
14, film-type tyre pressure meter as claimed in claim 9 is characterized in that, wherein this inner sleeve has an inward flange and an outward flange, and this push rod has a bottom chow ring, and the spring of this sheathed push rod is placed between this inner sleeve inward flange and the push rod bottom chow ring.
15, film-type tyre pressure meter as claimed in claim 9 is characterized in that, wherein this housing top is in conjunction with a transparent cover, to fix this printed circuit board (PCB).
16, a kind of film-type tyre pressure meter for setting firmly the valve that is installed on a tire, for caution pressure of tire deficiency, is characterized in that, comprising:
One housing has an accommodation chamber and a socket part;
One movable film places the accommodation chamber of this housing;
One push rod is incorporated into this movable film, can be with the flexible stroke of this movable film knee-action;
One inner sleeve places the accommodation chamber of this housing, and this inner sleeve has a upper end and a lower end;
One adjusts lid, is incorporated into the upper end of this inner sleeve, and this push rod can stretch out in this adjustment lid, adjusts the relative displacement that covers with this inner sleeve upper end by this, and can adjust the length that push rod stretches out;
One spring, sheathed this push rod;
One conducting strip is arranged on this adjustment lid;
One printed circuit board (PCB) is arranged on this conducting strip to form and electrically connects, and has a radio-frequency transmissions circuit on this printed circuit board (PCB); And
One battery tray, be arranged on this push rod, be equipped with a battery in this battery tray, the radio-frequency transmissions circuit of one electrode and this printed circuit board (PCB) electrically connects, its another electrode and this battery tray electrically connect, and wherein, this battery tray optionally contacts with this conducting strip with the start up and down of this push rod, to supply power to this radio-frequency transmissions circuit, to send the radio signals of representing the tire pressure deficiency.
17, film-type tyre pressure meter as claimed in claim 16 is characterized in that, wherein the lower edge of this conducting strip is inwardly curved establishes, and covers and be bonded to this adjustment with its lower edge.
18, film-type tyre pressure meter as claimed in claim 16 is characterized in that, wherein the bottom of this battery tray has a screw rod, makes that this battery tray can this screw rod and spiral shell and being fixedly arranged on this push rod, and can realize the fine setting of tire gauge by adjusting screw rod.
19, film-type tyre pressure meter as claimed in claim 16 is characterized in that, wherein this pliability Flexible film has a pedestal portion and a flexible fold portion, and the pedestal of this pliability self-adhering film is positioned the lower end of this inner sleeve.
20, film-type tyre pressure meter as claimed in claim 16, it is characterized in that, wherein this inner sleeve has an inward flange and an outward flange, and this push rod has a bottom chow ring, and the spring of this sheathed push rod is placed between this inner sleeve inward flange and the push rod bottom chow ring.
21, film-type tyre pressure meter as claimed in claim 16 is characterized in that, wherein this housing top is in conjunction with a cover cap, to fix this printed circuit board (PCB).
22, film-type tyre pressure meter as claimed in claim 16, it is characterized in that, wherein this radiofrequency emitting module is made of memory control circuit and transmission circuit, this memory body stores emission heading code and tire coding information, make when powered battery during to radiofrequency emitting module, this control circuit just reads the heading code of this radiofrequency emitting module and the tire coding of this radiofrequency emitting module is installed from this memory body, and sends the less radio-frequency signal that has this heading code and tire coding by this transmission circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01115438 CN1230317C (en) | 2001-04-25 | 2001-04-25 | Film-type tyre pressure meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01115438 CN1230317C (en) | 2001-04-25 | 2001-04-25 | Film-type tyre pressure meter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1382595A CN1382595A (en) | 2002-12-04 |
| CN1230317C true CN1230317C (en) | 2005-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01115438 Expired - Fee Related CN1230317C (en) | 2001-04-25 | 2001-04-25 | Film-type tyre pressure meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1230317C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103616119B (en) * | 2013-11-29 | 2016-06-15 | 北京北机机电工业有限责任公司 | The fire extinguisher of pressure monitoring device and this pressure monitoring device of employing |
| CN104723807B (en) * | 2014-01-21 | 2017-02-08 | 南京金城机械有限公司 | Vehicle tire pressure detection unit and vehicle tire pressure detection device |
| CN104410694B (en) * | 2014-11-28 | 2017-11-28 | 东莞中国科学院云计算产业技术创新与育成中心 | A kind of autonomous update method of high in the clouds address list contact method based on data mining |
| CN105501008A (en) * | 2015-10-30 | 2016-04-20 | 湖北文理学院 | Displacement-magnetic-coupling-type tire air pressure detecting device |
-
2001
- 2001-04-25 CN CN 01115438 patent/CN1230317C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1382595A (en) | 2002-12-04 |
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Granted publication date: 20051207 Termination date: 20100425 |