CN102896987B - Automobile tire early warning system and air pressure sensor thereof - Google Patents
Automobile tire early warning system and air pressure sensor thereof Download PDFInfo
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- CN102896987B CN102896987B CN201210378050.4A CN201210378050A CN102896987B CN 102896987 B CN102896987 B CN 102896987B CN 201210378050 A CN201210378050 A CN 201210378050A CN 102896987 B CN102896987 B CN 102896987B
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- automotive hub
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- early warning
- feedway
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Abstract
The invention discloses an automobile tire early warning system and an air pressure sensor thereof. The air pressure sensor comprises a bearing frame and a holding space formed by the bearing frame, the holding space of the bearing frame is communicated with air through a gas-guide tube, a spring piece connected with a power connecting line, a low pressure adjusting piece connected with a low pressure connecting line and a high pressure adjusting piece connected with a high pressure connecting line are arranged in the holding space, one end of the spring piece is fixed correspondingly to the bearing frame, the other end of the spring piece is a free end under a certain precompression, a piston which moves up and down with air pressure change in the automobile tire is arranged close to the free end, the spring piece deforms under the piston action, thus three states comprising conduction with the low pressure adjusting piece, non-conducting with the high and low pressure adjusting pieces, and conduction with the high pressure adjusting piece are switched. Compared with the prior art, the automobile tire early warning system and the air pressure sensor thereof have simple structure, are convenient for production, and can be applied in automobile tires with inner tires.
Description
Technical field
The present invention relates to the spare and accessory parts of motor tire, particularly relate to automobile tyre early warning system and baroceptor thereof.
Background technology
Automobile tyre early warning system is the device for monitoring the temperature in motor tire, air pressure, generally include the elements such as baroceptor, temperature sensor, battery, feedway and signal receiving device, current automobile tyre early warning system is all be fixed on tire tube valve by plastic casing by all component except signal receiving device.But, because feedway is also placed in automotive hub inside, the alerting signal intensity that the shielding action of automotive hub can make feedway launch significantly weakens, so that transmission distance is very limited, directly cannot be transferred to the signal receiving device of operator's compartment, therefore have near motor tire as car chassis installed a signal retransmission unit to forward the alerting signal of feedway, which not only improves productive costs, and signal retransmission unit is also easy to damage and cause automobile tyre early warning system to lose efficacy.
In addition, the most complex structure of baroceptor of existing automobile tyre early warning system, and cannot be applied on the motor tire of the inner tube of a tyre, bring very large inconvenience to the production of automobile tyre early warning system and use.
In view of this, necessaryly a kind of automobile tyre early warning system that can solve the problem and baroceptor thereof is provided.
Summary of the invention
The object of the invention is to: provide a kind of structure simple baroceptor, and without the need to the automobile tyre early warning system of signal retransmission unit, to improve the service life of automobile tyre early warning system.
In order to realize foregoing invention object, the invention provides a kind of baroceptor of automobile tyre early warning system, it receiving space comprising bearing support and surrounded by bearing support, the receiving space of bearing support is communicated with air by ventilation flue, the spring leaf be connected with electric power connection line is contained in receiving space, the low pressure regulating part be connected with low-pressure continuous wiring and the high voltage adjusting part be connected with high-pressure connection line, one end of spring leaf, low pressure regulating part and high voltage adjusting part are fixed relative to bearing support respectively, the other end of spring leaf is the free end being subject to certain precompressed compression, spring leaf is equipped with the piston of up-and-down movement with the change of motor tire internal gas pressure near free end, spring leaf is along with the change generation distortion in various degree of piston pressure size, thus with the conducting of low pressure regulating part, with the not conductings of high-low pressure regulating part, switch with high voltage adjusting part conducting three kinds of states.
One as baroceptor of the present invention is improved, when piston is less than or equal to the first preset value to spring leaf institute applied pressure, and spring leaf and the conducting of low pressure regulating part and produce low pressure alarming signal; When piston is greater than the first preset value to spring leaf institute applied pressure and is less than the second preset value, spring leaf and the not conductings of high-low pressure regulating part, do not produce alarm message; When piston to spring leaf institute applied pressure increase to be more than or equal to the second preset value time, spring leaf and the conducting of high voltage adjusting part and produce alarm for high voltage signal.
One as baroceptor of the present invention is improved, and described bearing support comprises the top board offering through hole, and the top of piston is stretched out and contacts with the inner tube of a tyre of tire and directly apply pressure by the inner tube of a tyre in the through hole of top board.
One as baroceptor of the present invention is improved, described bearing support comprises the top board offering through hole, the top of piston is stretched out in the through hole of top board, the top board of bearing support arranges gland, one sheet rubber is sealingly fastened in the top of piston by gland, sheet rubber and piston contact and by the receiving space in bearing support and the cavity above sheet rubber completely isolated, gland offers the induction opening that the cavity above sheet rubber is communicated with motor tire, ensure that the air pressure in cavity is identical with motor tire internal gas pressure, sheet rubber deforms and applies pressure to piston under the pressure effect of the empty intracavity gas of gland.
One as baroceptor of the present invention is improved, described bearing support comprises base plate, low pressure regulating part and high voltage adjusting part be respectively be fixed on base plate, bolt in bearing support receiving space is stretched at top, base plate is also fixed with top and stretches into spring leaf connecting element in receiving space, namely the fixed end of spring leaf is fixed on the top of spring leaf connecting element.
One as baroceptor of the present invention is improved, the top of the described bolt as low pressure regulating part is provided with sheetmetal, the upper surface of sheetmetal and spring leaf overlaps and applies certain precompressed compression to spring leaf, top as the bolt of high voltage adjusting part is positioned at the below of spring leaf free end, spring leaf deformation in compression to a certain degree time free end by the top contact with high voltage adjusting part.
In order to realize foregoing invention object, present invention also offers a kind of automobile tyre early warning system, it comprises baroceptor, temperature sensor, feedway, battery and signal receiving device, and wherein, baroceptor is the baroceptor described in above-mentioned any one.
One as automobile tyre early warning system of the present invention is improved, described baroceptor, temperature sensor, feedway and battery are all arranged on automotive hub inside, feedway is provided with signal conductor, signal conductor passes automotive hub by the through hole be opened on automotive hub, thus the alerting signal that feedway is launched draw automotive hub and directly receive by signal receiving device.
One as automobile tyre early warning system of the present invention is improved, also comprise eye bolt, through hole on automotive hub is bolt hole, eye bolt is seal-installed in the bolt hole of automotive hub, and the perforation that the signal conductor of feedway and the ventilation flue of baroceptor pass eye bolt center extends to outside automotive hub.
One as automobile tyre early warning system of the present invention is improved, described baroceptor and temperature sensor are installed on automotive hub inside as built-in unit, feedway and battery are as external cellular installation in automotive hub outside, and built-in unit is connected by the sensor conductor through automotive hub with external unit.
One as automobile tyre early warning system of the present invention is improved, also comprise eye bolt, automotive hub offers bolt hole, eye bolt is seal-installed in the bolt hole of automotive hub, and the perforation that the ventilation flue of sensor conductor and baroceptor passes eye bolt center extends to outside automotive hub.
One as automobile tyre early warning system of the present invention is improved, also comprise the launch-box for installing feedway and battery, launch-box is also provided with the binding post be connected with sensor conductor, launch-box is installed on the axis of automotive hub, after sensor conductor passes automotive hub from eye bolt, the outer wall first fitting in automotive hub user dorsad arrives in the middle part of wheel hub, then inserts wheel hub axis by the sulculus be opened in the middle part of wheel hub and be connected to the binding post of launch-box.
One as automobile tyre early warning system of the present invention is improved, also comprise the launch-box for installing feedway and battery, launch-box is fixed on the outer wall of automotive hub by described eye bolt, and sensor conductor directly inserts in launch-box through the perforation at eye bolt center and is connected with feedway.
Compared with prior art, the baroceptor of automobile tyre early warning system of the present invention is by with the change of motor tire internal gas pressure, the piston of up-and-down movement exerts a force to spring leaf, spring leaf produces distortion in various degree according to the size of pressure, and when pressure threshold and low pressure regulating part/high voltage adjusting part conducting and produce low/alarm for high voltage signal, not only structure is simply convenient to produce, and can be applied on the motor tire of the inner tube of a tyre.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, baroceptor of the present invention, automobile tyre early warning system and Advantageous Effects thereof are described in detail, wherein:
Fig. 1 is the structural representation of baroceptor first embodiment of the present invention.
Fig. 2 is the structural representation of baroceptor second embodiment of the present invention.
Fig. 3 is the structural representation of automobile tyre early warning system first embodiment of the present invention.
Fig. 4 is the structural representation of automobile tyre early warning system second embodiment of the present invention.
Fig. 5 is the structural representation of automobile tyre early warning system of the present invention 3rd embodiment.
Fig. 6 is the structural representation in Fig. 5 after sensor connecting element fixation of sensor.
Detailed description of the invention
In order to make goal of the invention of the present invention, technical scheme and Advantageous Effects thereof more clear, below in conjunction with the drawings and specific embodiments, the present invention is further elaborated.Should be understood that, the detailed description of the invention described in this specification sheets is only used to explain the present invention, is not to limit the present invention.
Referring to Fig. 1 and Fig. 2, is the structural representation of baroceptor 10 of the present invention, 10a.The bearing support 12 of described baroceptor 10,10a is rubber plastic material, and bearing support 12 comprises base plate 120, sidewall 122 and top board 124, and all plate bodys of bearing support 12 surround a receiving space 125 jointly.The top board 124 of bearing support 12 offers through hole 126, base plate 120 offers perforation, the ventilation flue 128 be communicated with air by receiving space 125 is installed in perforation, base plate 120 is also provided with three non-touching electric-conductors (in embodiment shown in figure, three electric-conductors are all bolt): the spring leaf connecting element 14 be connected with electric power connection line 140, the low pressure regulating part 16 be connected with low-pressure continuous wiring 160 and the high voltage adjusting part 18 be connected with high-pressure connection line 180.The bottom of three electric-conductors is individually fixed in the base plate 120 of bearing support 12, top is then all stretched in the receiving space 125 of bearing support 12, wherein, the top of low pressure regulating part 16 is provided with sheetmetal 162, the top of spring leaf connecting element 14 is provided with spring leaf 142, spring leaf connecting element 14 is fixed in one end of spring leaf 142, the other end is free end, sheetmetal 162 overlaps with the upper surface of spring leaf 142 and applies certain precompressed compression to spring leaf 142, and the top of high voltage adjusting part 18 is positioned at the below of the free end of spring leaf 142.Spring leaf 142 is equipped with piston 144 near free end, the top of piston 144 is stretched out in the through hole 126 of top board 124: when piston 144 pairs of spring leafs 142 applied pressures are less than or equal to the first preset value, maintenance contacts with sheetmetal 162 by spring leaf 142, the low-pressure continuous wiring 160 be connected with projector will make low voltage circuit conducting and produce low pressure alarming signal, and namely projector carries out low pressure alarming; When piston 144 pairs of spring leafs 142 applied pressures are greater than the first preset value and are less than the second preset value, stressed downward distortion no longer contacts with sheetmetal 162 by spring leaf 142, and hi-lo circuit all disconnects, and does not produce alarm message; When piston 144 pairs of spring leafs 142 applied pressures increase to be more than or equal to the second preset value time, the free end of spring leaf 160 will drop to the top contact with high voltage adjusting part 18, the high-pressure connection line 180 be connected with projector will make high voltage circuit conducting and produce alarm for high voltage signal, and namely projector carries out alarm for high voltage; After tire internal gas pressure declines, promotion piston 144 gos up and alarm for high voltage is removed by the antagonistic force of spring leaf 142, if tire pressure declines too much, spring leaf 142 again can go back up to and contacts with sheetmetal 162 and cause low pressure alarming.
Refer to Fig. 1, first embodiment of baroceptor 10 of the present invention is the motor tires for not having the inner tube of a tyre, gland 30 need be set on the top board 124 of its bearing support 12 during use, the material of gland 30 is plastics, one sheet rubber 32 is sealingly fastened in the top of piston 144 by it, and sheet rubber 32 contacts with piston 144 and the receiving space 125 of bearing support 12 inside is completely isolated with the cavity 36 above sheet rubber 32.Gland 30 offers the induction opening 34 that the cavity 36 above sheet rubber 32 is communicated with motor tire, ensure that the air pressure in cavity 36 is identical with motor tire internal gas pressure.When baroceptor 10 is installed on wheel hub inside, ventilation flue 128 set on the base plate 120 of its bearing support 12 is communicated with air, the induction opening 34 of gland 30 is communicated with inside tires, and in tire, the pressure of gas forces sheet rubber 32 be out of shape and exert a force to piston 144.
Refer to Fig. 2, the baroceptor 10a of second embodiment of the invention is for having in the motor tire of the inner tube of a tyre, during use, baroceptor 10a is installed on wheel hub inside and contacts with the inner tube of a tyre 20, ventilation flue 128 set on the base plate 120 of its bearing support 12 is communicated with air, and 144, piston contacts with the inner tube of a tyre 20 and directly applies pressure by the inner tube of a tyre 20.
At above two embodiments, first preset value of described piston 144 pressure and the second preset value are all carry out arranging according to the gas pressure intensity critical value in tire when low pressure and alarm for high voltage, can adjust as required in practical operation, as being pressure when gas pressure intensity in tire is less than 25% of tire standards air pressure suffered by piston 144 by the first default settings, be pressure when gas pressure intensity in tire is greater than 30% of tire standards air pressure suffered by piston 144 by the second default settings.
Known by describing above, baroceptor of the present invention promotes piston 144 pairs of spring leafs 142 by sheet rubber 32 or automobile inner tube 20 and exerts a force, spring leaf 142 produces distortion in various degree according to the size of pressure, and contacts with low pressure regulating part 16/ high voltage adjusting part 18 when pressure threshold and make low voltage circuit/high voltage circuit conducting and produce low/alarm for high voltage signal.Above-mentioned baroceptor not only structure is simply convenient to produce, and can be used on the motor tire of the inner tube of a tyre 20.
Refer to Fig. 3 to and Fig. 6, the alerting signal of launching feedway in order to avoid automotive hub produces shielding action, and the present invention also provides following three kinds of automobile tyre early warning systems.
Refer to Fig. 3, automobile tyre early warning system first embodiment of the present invention comprises baroceptor 40, temperature sensor 42, sensor connecting element 44, eye bolt 46, feedway 48, battery 50 and signal receiving device (not shown), wherein, it is inner that baroceptor 40 and temperature sensor 42 are installed on automotive hub 52 as built-in unit, feedway 48 and battery 50 are outside in automotive hub as external cellular installation, built-in unit is connected by the sensor conductor 54 through automotive hub 52 with external unit, signal receiving device is then directly installed in operator's compartment and is connected with telltale, the concrete annexation of each element and fixed form as follows:
Sensor connecting element 44 is L-type, comprises long slab 440 and short slab 442, and baroceptor 40 and temperature sensor 42 are fixed on the long slab 440 of sensor connecting element 44 by bolt of rear end plate 56 and fixing compressing tablet 58; Automotive hub 52 offers bolt hole, eye bolt 46 is seal-installed in bolt hole by rubber ring 562 and meson 564, the short slab 442 of sensor connecting element 44 is fixed in automotive hub 52 simultaneously, the sensor conductor 54 of baroceptor 40 and temperature sensor 42 extends to automotive hub 52 outer (sensor conductor 54 pass after, seal the perforation at eye bolt 46 center) through the perforation at eye bolt 46 center; Feedway 48, battery 50 are installed on launch-box 60, launch-box 60 are also provided with the binding post 600 for being connected with sensor conductor 54; Launch-box 60 is installed on the correct position of the outside of automotive hub 52; as on wheel hub axis; outside is covered by the vinyl cover 61 of wheel hub axis and protects; sensor conductor 54 is connected to after passing automotive hub 52 on the binding post 600 of launch-box 60; cabling mode can for being connected to the launch-box 60 of wheel hub axis through the spoke hole of automotive hub 52; also can arrive in the middle part of wheel hub for the outer wall fitting in automotive hub 52 user dorsad, then insert wheel hub axis by the sulculus be opened in the middle part of wheel hub and be connected to launch-box 60.
Baroceptor 40 can adopt the unshowned ventilation flue 128 of baroceptor 10/10a(Fig. 3 of the present invention pass automotive hub 52 by the perforation at eye bolt 46 center and be communicated with air together with sensor conductor 54), also can adopt other structures can height baroceptor; Temperature sensor 42 be bimetallic temperature transducer or other structures can temperature sensor; Feedway 48, battery 50, receiving device etc. are inventive point place of the present invention not, feedway, battery, the receiving device invented after directly adopting tradition or the application.
Known by describing above, feedway 48 is installed on the outside of automotive hub 52 by automobile tyre early warning system first embodiment of the present invention, completely avoid the alerting signal formation shielding action that automotive hub 52 pairs of feedways 48 are launched, thus ensure that alerting signal can have enough intensity to transfer in operator's compartment, directly received by signal receiving device, therefore without the need to separately establishing signal retransmission unit.In addition, battery 50 is still placed in the outside of automotive hub 52 by automobile tyre early warning system first embodiment of the present invention, and therefore need not pull down the battery that automotive hub 52 and tire and replaceable electricity are finished, control step is simplified widely.Moreover, because feedway 48 and battery 50 are no longer installed on the inside of automotive hub 52, also the element of high temperature high voltage resistant need not just be made again, this not only productive costs significantly reduce, and it is easy to replace and maintain, in addition baroceptor 40 and temperature sensor 42 are all permanent resistance to appliances, therefore greatly extend the service life of automobile tyre early warning system.
Refer to Fig. 4, automobile tyre early warning system second embodiment of the present invention also comprises baroceptor 40a, temperature sensor 42a, sensor connecting element 44a, eye bolt 46a, feedway 48a, battery 50a and signal receiving device (not shown).With the first embodiment unlike, the feedway 48a of the second embodiment, battery 50a also with baroceptor 40a, temperature sensor 42a is fixed on sensor connecting element 44a together, but on feedway 48a, a signal conductor 62a is separately established, automotive hub 52a is passed in the mode that the sensor conductor 54 with the first embodiment is identical, thus the alerting signal of being launched by feedway 48a draws automotive hub 52a, make the alerting signal intensity enhancing of automotive hub 52a outside to the degree that can be transferred to operator's compartment, in present embodiment the concrete annexation of each element and fixed form as follows:
Sensor connecting element 44a is L-type, comprises long slab 440a and short slab 442a, baroceptor 40a, temperature sensor 42a, feedway 48a, battery 50a are fixed on the long slab 440a of sensor connecting element 44a by bolt of rear end plate 56a and fixing compressing tablet 58a; Automotive hub 52a offers bolt hole, eye bolt 46a is seal-installed in bolt hole by rubber ring 562a and meson 564a, the short slab 442a of sensor connecting element 44a is fixed in automotive hub 52a simultaneously, the signal conductor 62a of feedway 48a extends to automotive hub 52a outer (signal conductor 62a pass after, seal the perforation at eye bolt 46a center) through the perforation at eye bolt 46a center; Signal receiving device is directly installed in operator's compartment, and is connected with telltale.
Baroceptor 40a can adopt the unshowned ventilation flue 128 of baroceptor 10/10a(Fig. 4 of the present invention pass automotive hub 52a by the perforation at eye bolt 46a center and be communicated with air together with signal conductor 62a), also can adopt other structures can height baroceptor; Temperature sensor 42a be bimetallic temperature transducer or other structures can temperature sensor; Feedway 48a, battery 50a, receiving device etc. are inventive point place of the present invention not, feedway, battery, the receiving device invented after directly adopting tradition or the application.
Known by describing above, although feedway 48a is still installed on the inside of automotive hub 52a by automobile tyre early warning system second embodiment of the present invention, but the alerting signal of being launched by feedway 48a by the signal conductor 62a passing automotive hub 52a draws automotive hub 52a, make the alerting signal intensity enhancing of automotive hub 52a outside to the degree directly received by signal receiving device in operator's compartment can be transferred to, therefore also without the need to signalization retransmission unit.
Refer to Fig. 5 and Fig. 6, automobile tyre early warning system of the present invention 3rd embodiment comprises baroceptor 40b equally, temperature sensor 42b, sensor connecting element 44b, eye bolt 46b, feedway 48b, battery 50b, launch-box 60b and signal receiving device (not shown), wherein, it is inner that baroceptor 40b and temperature sensor 42b is installed on automotive hub 52b as built-in unit, feedway 48b and battery 50b is outside in automotive hub as external cellular installation, built-in unit is connected by the sensor conductor 54b through automotive hub 52b with external unit, signal receiving device is then directly installed in operator's compartment and is connected with telltale, the concrete annexation of each element and fixed form as follows:
Sensor connecting element 44b is the bending plate being provided with recess 440b, and the bottom of recess 440b offers bolt hole 442b, and baroceptor 40b and temperature sensor 42b is individually fixed in the recess 440b of sensor connecting element 44b, launch-box 60b establishes the hollow box of cavity 600b in being, its bottom surface and end face also offer corresponding bolt hole respectively, and feedway 48b and battery 50b is installed in the cavity 600b of launch-box 60b, automotive hub 52b offers bolt hole, eye bolt 46b is through the bolt hole 442b of sensor connecting element 44b, the bolt hole of automotive hub 52b, locked by nut 460b after two bolts hole of launch-box 60b upper and lower surface, thus sensor connecting element 44b and launch-box 60b is fixed on respectively in a sealing manner the inner and outer wall of automotive hub 52b, the sensor conductor 54b of baroceptor 40b and temperature sensor 42b is through after the perforation at eye bolt 46b center, be connected with feedway 48b in the cavity 600b of direct insertion launch-box 60b, connection between each element is by meson 564b, the usual manners such as sealing shroud 566b realize sealing, signal receiving device is directly installed in operator's compartment, and is connected with telltale.
Baroceptor 40b can adopt the unshowned ventilation flue 128 of baroceptor 10/10a(Fig. 5 of the present invention pass automotive hub 52b by the perforation at eye bolt 46b center and be communicated with air), also can adopt other structures can height baroceptor; Temperature sensor 42b be bimetallic temperature transducer or other structures can temperature sensor; Feedway 48b, battery 50b, receiving device etc. are inventive point place of the present invention not, feedway, battery, the receiving device invented after directly adopting tradition or the application.
Known by describing above, feedway 48b, battery 50b are installed on the outside of automotive hub 52b by automobile tyre early warning system of the present invention 3rd embodiment, therefore there is all advantages of the first embodiment, not only without the need to separately establishing signal retransmission unit, and can simplify the operation and extend service life of automobile tyre early warning system.With the first embodiment unlike, the launch-box 60b being provided with feedway 48b and battery 50b is directly fixed on the outer wall of automotive hub 52b by present embodiment by eye bolt 46b, therefore without the need to considering the cabling design of sensor conductor 54b outside automotive hub 52b, also without the need to special on automotive hub 52b for sensor conductor 54b offers new slotted eye.
According to above-mentioned principle, the present invention can also carry out suitable change and amendment to above-mentioned embodiment.Therefore, the present invention is not limited to detailed description of the invention disclosed and described above, also should fall in the protection domain of claim of the present invention modifications and changes more of the present invention.In addition, although employ some specific terms in this specification sheets, these terms just for convenience of description, do not form any restriction to the present invention.
Claims (13)
1. the baroceptor for automobile tyre early warning system, it is characterized in that: the receiving space comprising bearing support and surrounded by bearing support, the receiving space of bearing support is communicated with air by ventilation flue, the spring leaf be connected with electric power connection line is contained in receiving space, the low pressure regulating part be connected with low-pressure continuous wiring and the high voltage adjusting part be connected with high-pressure connection line, one end of spring leaf, low pressure regulating part and high voltage adjusting part are fixed relative to bearing support respectively, the other end of spring leaf is the free end being subject to certain precompressed compression, spring leaf is equipped with the piston of up-and-down movement with the change of motor tire internal gas pressure near free end, spring leaf is along with the change generation distortion in various degree of piston pressure size, thus with the conducting of low pressure regulating part, with the not conductings of high-low pressure regulating part, switch with high voltage adjusting part conducting three kinds of states.
2. baroceptor according to claim 1, is characterized in that: when piston is less than or equal to the first preset value to spring leaf institute applied pressure, spring leaf and the conducting of low pressure regulating part and produce low pressure alarming signal; When piston is greater than the first preset value to spring leaf institute applied pressure and is less than the second preset value, spring leaf and the not conductings of high-low pressure regulating part, do not produce alarm message; When piston to spring leaf institute applied pressure increase to be more than or equal to the second preset value time, spring leaf and the conducting of high voltage adjusting part and produce alarm for high voltage signal.
3. baroceptor according to claim 1, is characterized in that: described bearing support comprises the top board offering through hole, and the top of piston is stretched out and contacts with the inner tube of a tyre of tire and directly apply pressure by the inner tube of a tyre in the through hole of top board.
4. baroceptor according to claim 1, it is characterized in that: described bearing support comprises the top board offering through hole, the top of piston is stretched out in the through hole of top board, the top board of bearing support arranges gland, one sheet rubber is sealingly fastened in the top of piston by gland, sheet rubber and piston contact and by the receiving space in bearing support and the cavity above sheet rubber completely isolated, gland offers the induction opening that the cavity above sheet rubber is communicated with motor tire, ensure that the air pressure in cavity is identical with motor tire internal gas pressure, sheet rubber deforms and applies pressure to piston under the pressure effect of the empty intracavity gas of gland.
5. baroceptor according to claim 1, it is characterized in that: described bearing support comprises base plate, low pressure regulating part and high voltage adjusting part be respectively be fixed on base plate, bolt in bearing support receiving space is stretched at top, base plate is also fixed with top and stretches into spring leaf connecting element in receiving space, namely the fixed end of spring leaf is fixed on the top of spring leaf connecting element.
6. baroceptor according to claim 5, it is characterized in that: the top of the described bolt as low pressure regulating part is provided with sheetmetal, the upper surface of sheetmetal and spring leaf overlaps and applies certain precompressed compression to spring leaf, top as the bolt of high voltage adjusting part is positioned at the below of spring leaf free end, and spring leaf deformation in compression is to the top contact of free end and high voltage adjusting part time to a certain degree.
7. an automobile tyre early warning system, comprises baroceptor, temperature sensor, feedway, battery and signal receiving device, it is characterized in that: the baroceptor of described baroceptor according to any one of claim 1 to 6.
8. automobile tyre early warning system according to claim 7, it is characterized in that: described baroceptor, temperature sensor, feedway and battery are all arranged on automotive hub inside, feedway is provided with signal conductor, signal conductor passes automotive hub by the through hole be opened on automotive hub, thus the alerting signal that feedway is launched draw automotive hub and directly receive by signal receiving device.
9. automobile tyre early warning system according to claim 8, it is characterized in that: also comprise eye bolt, through hole on automotive hub is bolt hole, eye bolt is seal-installed in the bolt hole of automotive hub, and the perforation that the signal conductor of feedway and the ventilation flue of baroceptor pass eye bolt center extends to outside automotive hub.
10. automobile tyre early warning system according to claim 7, it is characterized in that: described baroceptor and temperature sensor are installed on automotive hub inside as built-in unit, feedway and battery are as external cellular installation in automotive hub outside, and built-in unit is connected by the sensor conductor through automotive hub with external unit.
11. automobile tyre early warning systems according to claim 10, it is characterized in that: also comprise eye bolt, automotive hub offers bolt hole, eye bolt is seal-installed in the bolt hole of automotive hub, and the perforation that the ventilation flue of sensor conductor and baroceptor passes eye bolt center extends to outside automotive hub.
12. automobile tyre early warning systems according to claim 11, it is characterized in that: also comprise the launch-box for installing feedway and battery, launch-box is also provided with the binding post be connected with sensor conductor, launch-box is installed on the axis of automotive hub, after sensor conductor passes automotive hub from eye bolt, the outer wall first fitting in automotive hub user dorsad arrives in the middle part of wheel hub, then inserts wheel hub axis by the sulculus be opened in the middle part of wheel hub and be connected to the binding post of launch-box.
13. automobile tyre early warning systems according to claim 11, it is characterized in that: also comprise the launch-box for installing feedway and battery, launch-box is fixed on the outer wall of automotive hub by described eye bolt, and sensor conductor directly inserts in launch-box through the perforation at eye bolt center and is connected with feedway.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210378050.4A CN102896987B (en) | 2012-10-08 | 2012-10-08 | Automobile tire early warning system and air pressure sensor thereof |
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| CN201210378050.4A CN102896987B (en) | 2012-10-08 | 2012-10-08 | Automobile tire early warning system and air pressure sensor thereof |
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| CN102896987A CN102896987A (en) | 2013-01-30 |
| CN102896987B true CN102896987B (en) | 2015-01-07 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105501004B (en) * | 2014-09-23 | 2017-10-10 | 软控股份有限公司 | A kind of patching type passive sonic surface wave sensing device and intelligent tire |
| CN108749495A (en) * | 2016-01-27 | 2018-11-06 | 陈玉兰 | A kind of tire pressure regulating mechanism |
| KR102091931B1 (en) * | 2018-08-13 | 2020-03-20 | 한국타이어앤테크놀로지 주식회사 | A sensor for a tire fixed in a screw manner and a tire to which the sensor is applied |
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| US6799455B1 (en) * | 2001-08-09 | 2004-10-05 | Edward F. Neefeldt | Vehicle tire air monitor |
| CN101383247A (en) * | 2008-10-24 | 2009-03-11 | 赵顺荣 | Air pressure switch |
-
2012
- 2012-10-08 CN CN201210378050.4A patent/CN102896987B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1259613A (en) * | 1968-10-22 | 1972-01-05 | ||
| US4286253A (en) * | 1979-08-24 | 1981-08-25 | Nagy Emery J | Tire pressure sensing and alarm system |
| CN2175699Y (en) * | 1993-05-18 | 1994-08-31 | 杜武已 | Alarm for automobile wheel |
| CN1252363A (en) * | 1998-10-26 | 2000-05-10 | 黄添财 | Tyre pressure alarm |
| US6100798A (en) * | 1999-06-02 | 2000-08-08 | Liang; Shyh-Nan | Tire pressure detecting/warning apparatus |
| US6799455B1 (en) * | 2001-08-09 | 2004-10-05 | Edward F. Neefeldt | Vehicle tire air monitor |
| CN101383247A (en) * | 2008-10-24 | 2009-03-11 | 赵顺荣 | Air pressure switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102896987A (en) | 2013-01-30 |
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