CN1252363A - Tyre pressure alarm - Google Patents
Tyre pressure alarm Download PDFInfo
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- CN1252363A CN1252363A CN 98123495 CN98123495A CN1252363A CN 1252363 A CN1252363 A CN 1252363A CN 98123495 CN98123495 CN 98123495 CN 98123495 A CN98123495 A CN 98123495A CN 1252363 A CN1252363 A CN 1252363A
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Abstract
The tyre-pressure alarm has a push body and an alarm system inside a base seat. The push body includes one bearing film, one pressure regulating board, one piston and one compression spring. The alarm system includes one emitter, one power source and one pressure switch with one pressure control contact, one movable adjustable high pressure contact and one low pressure contact. Therefore, the high pressure contact can alter the set high and low pressure values in conjunction with the pressure regulating board which changes the compression degree of the compression spring and the pressure to the bearing film. The alarm is suitable for use in various tyres of different vehicles.
Description
The present invention relates to a kind of tyre pressure alarm.
As Fig. 1, shown in 2, be a kind ofly in the past to have high-reliability in the use and be convenient to the stack-mounted tyre pressure alarm, comprise a lower base 2 ', one promote assembly 3 ', upper cover body 4 ' and a caution system 5 ', this lower base 2 of this push body 3 ' be provided in a side of ' room 20 ' in, comprise a positive negative value adjustment part 30 of pressure ', piston rod 31 ' and compression spring 32 ', this lower base 2 ' the corresponding cover cap in top this upper cover body 4 ', a feedway 50 of this caution system 5 ' comprise ', power source body 51 ', pressure switch 52 ' and receiving device 53 ', when tire pressure during in normal condition, this pressure switch 52 ' be off state, feedway 50 ' be failure to actuate, make piston rod 31 ' upwards passing when tire pressure is too high, so that this high-low pressure control conducting strip 520 ' touch in this high pressure conducting strip 521 ' on high-voltage contact the time, then make this pressure switch 52 ' high pressure gating switch closure, this feedway 50 ' conducting, represent the too high signal of tire pressure and launch one group, make piston rod 31 ' passing downwards when tire pressure is low excessively, so that this high-low pressure control conducting strip 520 ' touch in this low pressure conducting strip 522 ' on low-voltage contact the time, then make this pressure switch 52 ' low pressure gating switch closure, this feedway 50 ' conducting, represent the low excessively signal of tire pressure and launch one group, represent the too high or too low signal of tire pressure via a receiving device 53 ' receive and demonstrate through this feedway 50 ' launch, make steerman can learn that the tire pressure of that tire or those several tires is too high or too low, therefore, by above-mentioned structure, can effectively improve tyre pressure alarm fiduciary level in the use, increase the service life relatively, and be convenient to assembling, and can adjust compression spring 32 ' compressed degree by the difference of the positive negative value adjustment part of pressure 30 ' screw lock degree of depth, and then change high, the setting of low voltage value, to be applicable to the tire height of various vehicle, low pressure is set, but, in operation, still have following shortcoming:
Because the positive negative value adjustment part 30 of pressure ' adjustment hole 301 ', 302 ' be positioned at a push rod 33 ' disk body 331 ' down, when desire is adjusted the setting of high and low pressure value, must be earlier with this upper cover body 4 ', a permanent seat 6 ' and vertebra bar 331 ' spiral shell pine, just carried out, so very inconvenient.
The object of the present invention is to provide a kind of tyre pressure alarm, make the high pressure setting value of tyre pressure alarm and the adjustment setting of low pressure setting value be easy to carry out and be convenient to operate.
The object of the present invention is achieved like this, a kind of tyre pressure alarm, comprise a base, room of its inner formation, internal face at this room is provided with a supporting seat, the bottom of this room is provided with the inlet channel that a tire pressure can enter from access, loam cake of cover cap airtightly on this base, be provided with a push body in the room of this base, it is characterized in that: this push body comprises a pressure-bearing film and a piston body, this pressure-bearing film is an elastic body that the inlet channel with this base connects, and this piston body is arranged at this pressure-bearing film top, and this piston body moves up and down because of the expansion or the contraction of pressure-bearing film; This tyre pressure alarm also is provided with a caution system, and this caution system comprises a feedway, a power source body and a pressure switch; This feedway is located in this tyre pressure alarm, in order to launch a radio signal; This power source body is located in this tyre pressure alarm, as the power supply of this feedway; This pressure switch is located in this supporting seat, comprise a high-low pressure control contact, the high-voltage contact of a removable adjustment and a low-voltage contact, this high-low pressure control contact is located on the piston body of this push body, and along with this piston body moves together, the high-voltage contact of this removable adjustment is located at a high pressure and is set on the plate, be positioned at the top of this high-low pressure control contact relatively, this low-voltage contact then is located at the below of this high-low pressure control contact, the high-voltage contact of removable adjustment and this low-voltage contact are electrically connected at this power source body and this feedway, form the loop, between the high-voltage contact of high-low pressure control contact and removable adjustment, form a high pressure gating switch, and between this high-low pressure control contact and low-voltage contact, form a low pressure gating switch; This tyre pressure alarm also is provided with a receiving device, in order to receiving the radio signal that this feedway is launched, and demonstrates.
Owing to adopted above-mentioned technical solution, make tyre pressure alarm of the present invention, has a push body and a caution system that is located in its base, this push body comprises a pressure-bearing film, a pressure is adjusted plate, a piston body and a compression spring, this caution system comprises a feedway, a power source body and a pressure switch, this pressure switch comprises a high-low pressure control contact, the high-voltage contact of a removable adjustment and a low-voltage contact, thus, the high pressure setting value can be adjusted, can cooperate simultaneously this pressure to adjust the degree that difference is adjusted the compressed degree of this compression spring and the pressure-bearing film bears pressure of plate connection location, and can change height, the setting of low voltage value is to be applicable to the tire height of various vehicle, low pressure is set.So the advantage of tyre pressure alarm of the present invention is: 1. make the high pressure setting value of tyre pressure alarm and the adjustment setting of low pressure setting value be easy to carry out, be convenient to operation, to be applicable to the setting of the high and low tire pressure value of various vehicle.2. by the setting of source switch, and can fill a part power supply of saving power source body, prolong the Use Limitation of power source body.
The present invention is described in detail below in conjunction with drawings and Examples.
Fig. 1 is a kind of assembled sectional view of tyre pressure alarm in the past;
Fig. 2 is the three-dimensional exploded view of Fig. 1;
Fig. 3 is the assembled sectional view of the present invention's first preferred embodiment;
Fig. 4 is the source switch scheme drawing of above-mentioned first preferred embodiment of the present invention;
Fig. 5 is the three-dimensional exploded view of the above-mentioned first preferred embodiment source switch of the present invention;
Fig. 6 is the combination front-view schematic diagram of the present invention's second preferred embodiment source switch;
Fig. 7 is the assembled sectional view of the present invention's second preferred embodiment;
Fig. 8 is the assembled sectional view of the present invention's the 3rd preferred embodiment;
Fig. 9 is the assembled sectional view of push body in the present invention's the 4th preferred embodiment;
Figure 10 is the sectional exploded view of the present invention's the 4th preferred embodiment.
As shown in Figure 3, be first preferred embodiment of tyre pressure alarm of the present invention, tyre pressure alarm of the present invention is that mode that adopt to hide is fixed on the steel ring in the tire, it comprises a base 2, loam cake 3, a push body 4 and a caution system 5.
This loam cake 3 accordingly cover cap above this base 2, the internal face of this loam cake 3 supporting seat 6 that is spirally connected, the lower part of this supporting seat 6 is bolted in the internal face of this base 2, on the end face of this loam cake 3 and these base 2 adjacency, one second airtight element 30 is set, this loam cake 3 can be combined closely with this base 2 by this supporting seat 6, this loam cake 3 and supporting seat 6 all are to be made by plastic cement material, this supporting seat 6 is to be rabbeted mutually by two hollow semicircular shells 60 to form, in this supporting seat 6, form a ribs 61, the ora terminalis of rabbeting mutually at two hollow semicircular shells 60 of this supporting seat 6 forms the shallow slot 601 of vertical indent, and disposes lead 62 in these shallow slots 601.
This push body 4 is located in the room 20 and this supporting seat 6 of this base 2, comprise a pressure-bearing film 40, a high pressure is set plate 41, a piston body 42 and a compression spring 43, this pressure-bearing film 40 is arranged on this film permanent seat 21 upper ends, it is an elastic body that connects with the inlet channel 210 of this film permanent seat 21, these push body 4 elastic expansions with tire pressure varies, shrink, this high pressure is set plate 41 and is provided in a side of this pressure-bearing film 40 tops, and be spirally connected with the internal face of this supporting seat 6, and this high pressure is set plate 41 and is had a perforation 410, this piston body 42 is arranged on this pressure-bearing film 40 tops, it is an electric conductor, these piston body 42 lower ends are butted on the ribs 61 of this pressure-bearing film 40 and this supporting seat 6, the end face moulding one of this piston body 42 is through at the piston rod 420 that this high pressure is set the perforation 410 of plate 41, these compression spring 43 ring sets are outside the piston rod 420 of this piston body 42, the one end is butted on the end face of this piston body 42, the other end is butted on the bottom surface that this high pressure is set plate 41, when tire pressure was too high or too low, this piston body 42 promptly moved up and down because of the expansion or the contraction of this pressure-bearing film 40.
This caution system 5 comprises a feedway 50, power source body 51, a pressure switch 52 and a receiving device 53.
This feedway 50 is located on the circuit card 54, and this circuit card 54 is the upper ends that are installed in the loam cake 3, in order to launch a radio signal.
This power source body 51 is located in this loam cake 3, by two lithium celies or similarly power supply forms and places in the battery tray 55, this battery tray 55 is to hang on circuit card 54 times, and with these circuit card 54 electric connections, as the power supply of this feedway 50.
This pressure switch 52 is located in this supporting seat 6, comprise high-low pressure control contact, the high-voltage contact of one removable adjustment and a low-voltage contact, this high-low pressure control contact is located at conductive this piston body 42 upper ends and lower end, along with this piston body 42 moves together, the high-voltage contact of removable adjustment is located at the bottom surface that a conductive high pressure is set plate 7, this high pressure is set 7 of plates and is bolted on this supporting seat 6, and on this high pressure setting plate 7, be provided with two and adjust holes 70, so that adjust the position height that this high pressure is set plate 7 relative these supporting seats 6, and adjustment high pressure setting value, this low-voltage contact is provided in a side of on the conductive annular plate body 8, this annular plate body 8 is to place on the ribs 61 of this supporting seat 6, the high-voltage contact of aforementioned removable adjustment and low-voltage contact are to be electrically connected at this power source body 51 and this feedway 50 by the lead 62 in the shallow slot 601 that is configured in this supporting seat 6, form the loop, between the high-voltage contact of high-low pressure control contact and removable adjustment, form a high pressure gating switch SW1, and between high-low pressure control contact and low-voltage contact, form a low pressure gating switch SW2.
This receiving device 53 is arranged on the instrument carrier panel of vehicle, in order to receiving 50 emitted radio signal of this feedway, and demonstrates.
By above-mentioned structure, when tire pressure during in normal condition, the high pressure gating switch SW1 of this pressure switch 52 and low pressure gating switch SW2 all are off state, this feedway 50 is failure to actuate, when tire pressure is too high pressure-bearing film 40 is expanded, this piston body 42 is upwards passed simultaneously, so that this high-low pressure control contact touches when this high-voltage contact, make this high pressure gating switch SW1 closure, these feedway 50 conductings, represent specific tires and the too high signal of tire pressure and launch one group, when tire pressure is low excessively this pressure-bearing film 40 is shunk, this cock body 42 is passed downwards simultaneously, so that this high-low pressure control contact touches when this low-voltage contact, makes this low pressure gating switch SW2 closure, these feedway 50 conductings, represent the low excessively signal of specific tires and tire pressure and launch one group, and receive and demonstration through receiving device 53 through the too high or too low signal of representative tire pressure that this feedway 50 is launched.
By structure of the present invention, the position that makes this pressure set plate 7 can be put in order, be beneficial to the adjustment of high pressure setting value, to set plate 7 positions higher when high pressure, and the high pressure setting value is higher, and to set plate 7 positions lower when high pressure, the high pressure setting value is lower, adjust this high pressure as desire and set plate 7, as long as it is this loam cake 3 spiral shells pine just can be carried out, quite convenient.
Simultaneously, set the degree that difference is adjusted these compression spring 43 compressed degree and pressure-bearing film 40 bears pressure of the plate 41 screw lock degree of depth by this high pressure, and then change high, the setting of low voltage value, to set plate 41 positions lower when this high pressure, make compression spring 43 compressed degree bigger, to relatively reduce the low pressure setting value and improve the high pressure setting value, when this high pressure is set more height of plate 41 positions, make these compression spring 43 compressed degree littler, to relatively improve the low pressure setting value and reduce the high pressure setting value, with tire height applicable to various vehicle, low pressure is set, when carrying out aforementioned activities, as long as it is this loam cake 3 and high pressure setting plate 7 spiral shells pine just can be carried out, quite convenient.
As shown in Figure 3, this caution system 5 also comprises a source switch 9, this source switch 9 electrically connects with this power source body 51 and feedway 50, in order to the use of control power source body 51 whether, just, only vehicle advance centnifugal force that tyre rotation produced during greater than predetermined rotating speed this source switch 9 just be the state of closed conducting (on), this feedway 50 could operate, and advance centnifugal force that tyre rotation produced when stopping operating less than predetermined rotating speed or tire at vehicle, this source switch 9 just is out the state from open circuit (off), this feedway 50 can not operate, so can fill a part saving power supply, prolongs the Use Limitation of this power source body 51.
As Fig. 4,5 and cooperate shown in Figure 3, this source switch 9 is arranged on the base plate 97, and electrically connect with this power source body 51 and feedway 50, this source switch 9 comprises an elastic body 90, axle bed 91, axostylus axostyle 92, magnetic stripe 93, swing component 94, an angle limits bar 95 and a magnetic reed switch 96.
This axle bed 91 bottoms locking is on base plate 97, and the two ends of this axle bed 91 are respectively axis part 910,911.
This axostylus axostyle 92 is coupling on the axis part 910,911 of this axle bed 91.The centnifugal force direction setting that this elastic body 90 is produced when being tyre rotation, this elastic body 90 is a coil spring, the one end is fixed on this axostylus axostyle 92, the other end is butted on a bearing 940 bottom surfaces of this swing component 94, this elastic body 90 also can be an elastic steel sheet, when this elastic body 90 was an elastic steel sheet, the one end was fixed on this base plate 97, and the other end is butted on this bearing 940 bottom surfaces.
This magnetic stripe 93 has a perforation 930, this magnetic stripe 93 can be located on this axostylus axostyle 92, this perforation 930 can be square or strip shape, as long as just can with the cross sectional shape phase configuration of this axostylus axostyle 92, side at the long axis direction of this magnetic stripe 93 is the N utmost point, opposite side is the S utmost point, makes this magnetic stripe 93 have the external magnetic field, the effort that this magnetic stripe 93 is produced when being subjected to tyre rotation and produce displacement.
The pendulum that the force direction that this swing component 94 was produced during tyre rotation for one day is provided with, and suppress a end in this elastic body 90, make this elastic body 90 be compressive state, this swing component 94 has bearing 940, the one end extension of this bearing 940 is provided with cantilever 941, this swing component 94 is connected in the end of this axostylus axostyle 92 by cantilever 941, is installed with a weight 942 on the bearing 940 of this swing component 94.
These angle limits bar 95 1 ends are fixed in an end of this axle bed 91, and the other end is positioned at bearing 940 tops of this swing component 94, in order to limit the pendulum angle of these swing component 94 returns.
This magnetic reed switch (Reed Switch) 96, having an end encloses in the airtight glass tube, the other end exposes two outer reeds 960 of glass tube, 961, these reeds 960,961 do not join mutually, this two reed 960,961 outer end is welded on the base plate 97, and by this lead 62 and this power source body 51 and feedway 50 electric connections, this magnetic reed switch 96 is located at a side of this magnetic stripe 93 and is positioned at 93 scopes that can sense of this magnetic stripe, the effort that when this magnetic stripe 93 is subjected to tyre rotation, is produced and when rotating, the external magnetic field induction magnetic reed switch 96 of this magnetic stripe 93 will be made, make two reeds 960 of this magnetic reed switch 96,961 closures (on) or open from (off), two reeds 960 when this magnetic reed switch 96, during 961 closures (on) with these power source body 51 conductings, required power supply in the time of can supplying 50 runnings of this feedway, two reeds 960 when this magnetic reed switch 96,961 open when (off) and open circuit with this power source body 51, and electric power can't be exported.
By above-mentioned structure, and cooperation Fig. 4, shown in 5, when vehicle is advanced the rotating speed of tyre rotation and tyre rotation when reaching a desired speed, when making application force that tire produced this swing component 94 greater than the elastic force of elastic body 90, this swing component 94 can be depressed elastic body 90 and produce rotation, drive this magnetic stripe 93 simultaneously and produce displacement, the external magnetic field of this magnetic stripe 93 is moved, respond to this magnetic reed switch 96, make two reeds 960 of this magnetic reed switch 96,961 closures (on), and with these power source body 51 conductings, for should feedway required power supply during 50 runnings, be low to moderate a desired speed when following etc. the speed drop of tyre rotation, when making application force that tire produced this swing component 94 less than the elastic force of elastic body 90, perhaps tire stops operating when consequently application force disappears, to make this swing component 94 be subjected to the elastic force of elastic body 90 to pass back initial point, magnetic stripe 93 is resetted immediately, the external magnetic field of this magnetic stripe 93 is away from magnetic reed switch 96, make two reeds 960 of this magnetic reed switch 96,961 open from (off), this source switch 9 promptly is the state that opens circuit with power source body 51, make this feedway 50 decommission, and can fill a part saving power supply, prolong the Use Limitation of power supply.
Particularly the running of this source switch 9 is controlled by the elastic force of elastic body 90 fully, the elastic force that the elastic body 90 of different elasticity moduluss is had is different, when producing source switch 9 of the present invention, if used the elastic body 90 with different elasticity moduluss, then the desired speed that is obtained also can be inequality.
This source switch 9 also can be as shown in Figure 6, this source switch 9 is arranged on the base plate 97, comprise a magnetic reed switch 96, permanent seat 98, axostylus axostyle 99, an elastic body 90 and a magnetic stripe 93, this magnetic reed switch 96, this elastic body 90 and this magnetic stripe 93 are identical with the structure of the present invention's first preferred embodiment, so no longer be described in detail.
This permanent seat 98 is provided in a side of a side of this magnetic reed switch 96, two reeds, 960,961 outer ends of this magnetic reed switch 96 all are welded on the base plate 97, this permanent seat 98 then is locked on this base plate 97 with its bottom, and the two ends of this permanent seat 98 are respectively connecting portion 980,981.
This axostylus axostyle 99 is bolted in the connecting portion 980 at these permanent seat 98 two ends, on 981, this magnetic stripe 93 and this elastic body 90 all can be located on this axostylus axostyle 99, this magnetic stripe 93 is the belows that are positioned at this elastic body 90, and this magnetic stripe 93 is being supported by this elastic body 90, on the short-axis direction top of this magnetic stripe 93 is the N utmost point, the bottom is the S utmost point, make this magnetic stripe 93 have the external magnetic field by above-mentioned structure, and cooperation Fig. 6, shown in 3, when the advance rotating speed of tyre rotation and tyre rotation of vehicle reaches a predetermined rotating speed, when making application force that tire produced elastic body 90 greater than the elastic force of elastic body 90, to make this elastic body 90 by compression, so that but these magnetic stripe 93 elasticity are to top offset, the external magnetic field of this magnetic stripe 93 is moved, respond to this magnetic reed switch 96, make two reeds 960 of this magnetic reed switch 96,961 closures (on), and then with these power source body 51 conductings, required power supply during for feedway 50 runnings that should tyre pressure alarm, the speed drop of waiting for tyre rotation is low to moderate below the desired speed, when making application force that tire produced this elastic body 90 less than the elastic force of elastic body 90, perhaps tire stops operating when consequently application force disappears, to make this magnetic stripe 93 be subjected to the elastic force of elastic body 90 to pass back initial point and reset, the external magnetic field of this magnetic stripe 93 is away from magnetic reed switch 96, make two reeds 960 of this magnetic reed switch 96,961 open from (off), this source switch 9 just is the state that opens circuit with power source body 51, make this feedway 50 decommission, so can fill a part saving power supply, prolong the Use Limitation of power supply.
For the ease of using, the present invention also can change as shown in Figure 7 as shown in Figure 3, just make the contraction in length of film permanent seat 21 ' lower end, and make base 2 ' the bottom extend, and this base 2 ' internal face be provided with negative thread so that this tyre pressure alarm is able to direct screw lock on the valve of tire.
As shown in Figure 8, be the present invention's the 3rd preferred embodiment, its keystone configuration is identical with above-mentioned first preferred embodiment, comprises a base 2, loam cake 3, a push body 4 and a caution system 5, therefore, does not exist together in this explanation:
This loam cake 3 airtightly cover cap in the outside of this base 2, the bottom surface of this base 2 is cambered surface, so can be directly fixed on sensing tire pressure on the steel ring of tire, supporting seat 6 of gluing in this base 2, be provided with a board 63 in this supporting seat 6 bottom levels extension, and on this board 63, be provided with a circuit card 54, the inwall of this supporting seat 6 then forms ribs 61, this push body 4 and pressure switch 52 are provided in a side of in this supporting seat 6, and the feedway 50 of this caution system 5 and power source body 51,9 of this source switchs are provided in a side of on this circuit card 54.
From the above, the high-voltage contact of the removable adjustment of this pressure switch 52 be provided in a side of a high pressure adjusting screw 7 ' on, this high pressure adjusting screw 7 ' then be vertically is bolted in this high pressure and sets on plate 41 in the default screw 411, the position that this high pressure is set plate 41 relative these supporting seats 6 just is adjustable, and this high pressure adjusting screw 7 ' the screw lock degree of depth of the screw 411 of this high pressure setting plate 41 also is adjustable relatively, so can and then adjust the high pressure setting value, and the low-voltage contact of this pressure switch 52 still is provided in a side of on the annular slab body 8, this annular plate body 8 is to place on the ribs 61 of this supporting seat 6, construct by this, tire pressure can be entered from the inlet channel 210 of this film permanent seat 21 in the pressure-bearing film 40, when tire pressure during in normal condition, the high pressure gating switch SW1 of this pressure switch 52 and low pressure gating switch SW2 all are off state, this feedway 50 is failure to actuate, when tire pressure is too high pressure-bearing film 40 is expanded, this piston body 42 is upwards passed simultaneously, so that this high-low pressure control contact touches when this high-voltage contact, make this high pressure gating switch SW1 closure, these feedway 50 conductings, represent specific tires and the too high signal of tire pressure and launch one group, when tire pressure is low excessively pressure-bearing film 40 is shunk, this piston body 42 is passed downwards simultaneously, so that this high-low pressure control contact touches when this low-voltage contact, make this low pressure gating switch SW2 closure, these feedway 50 conductings, represent the low excessively signal of specific tires and tire pressure and launch one group, the aforementioned too high or too low signal of launching through this feedway 50 of representative tire pressure receives and demonstration through this receiving device 53.
As shown in Figure 8, the 3rd preferred embodiment of the present invention, the position height that makes this high pressure set plate 41 relative these supporting seats 6 can be adjusted, and this high pressure adjusting screw 7 ' the screw lock degree of depth of the screw 411 of this high pressure setting plate 41 also is adjustable relatively, so can adjust the high pressure setting value, when this high pressure adjusting screw 7 ' or high pressure to set plate 41 positions higher, the high pressure setting value is higher, when this high pressure adjusting screw 7 ' or high pressure to set plate 41 positions lower, the high pressure setting value is higher, as desire adjust this high pressure set plate 41 or high pressure adjusting screw 7 ', as long as this loam cake 3 is just opened and can be carried out, quite convenient.
Simultaneously, can set the degree that difference is adjusted compression spring 43 compressed degree and this pressure-bearing film 40 bears pressure of the plate 41 screw lock degree of depth by this high pressure, and then change high, the setting of low voltage value, to set plate 41 positions lower when high pressure, make compression spring 43 compressed degree bigger, to relatively reduce the low pressure setting value and improve the high pressure setting value, when this high pressure is set more height of plate 41 positions, make compression spring 43 compressed degree lower, to improve the low pressure setting value relatively and reduce the high pressure setting value, to be applicable to various vehicle tyre height, low pressure is set, when carrying out aforementioned activities, as long as it is this loam cake 3 and high pressure setting plate 41 spiral shells pine just can be carried out, quite convenient.
As shown in Figure 3, it is the tyre pressure alarm of first preferred embodiment of the present invention, the structurally variable enforcement of this push body 4 is shown in Fig. 9,10, it is the 4th preferred embodiment of the present invention, cooperate shown in Figure 3, this push body 4 ' be arranged in the room 20 and this supporting seat 6 of this base 2, include a pressure-bearing film 40 ', a piston body 44 and an extension spring 45.
This pressure-bearing film 40 ' be arranged on this film permanent seat 21 ' upper end, be one with this film permanent seat 21 ' the elastic body of inlet channel 210 ' connect, be subjected to tire pressure varies and elastic expansion, contraction.
This piston body 44 is arranged on this pressure-bearing film 40 ' top, this piston body 44 comprises a pressure adjustment part 440 and a piston rod 441, this pressure adjustment part 440 comprise one touch cover 4400 and one be located on this touch cover 4400 bottoms touch plate 4401, this touches and covers 4400 internal face and have screw thread, this piston rod 441 is a screw rod, making the upper end of this piston rod 441 directly be bolted in touching of this pressure adjustment part 440 covers in 4400, touch at this and to cover 4400 and touch and all be provided with high-low pressure control contact on the plate 4401, when tire pressure is too high or too low, this piston body 44 promptly because of pressure-bearing film 40 ' expansion or contraction move up and down.
These extension spring 45 1 ends are bolted in piston rod 441 lower ends of this piston body 44, the other end then be bolted in this film permanent seat 21 ' the top.
This push body 4 ' pressure-bearing film 40 ' an end be welded in the bottom of this pressure adjustment part 440, the other end be welded in this film permanent seat 21 ' the top, make the piston rod 441 of this piston body 44 and extension spring 45 be positioned at this pressure-bearing film 40 ' inside.
By above-mentioned structure, make tire pressure can from this film permanent seat 21 ' inlet channel 210 ' enter pressure-bearing film 40 ' inside, when tire pressure is too high when this pressure-bearing film 40 ' expansion so that piston body 44 are moved up, this extension spring 45 is stretched, touching of the pressure adjustment part 440 of this piston body 44 covered 4400 and can be touched high pressure and set plate 7 simultaneously, make this touch the high-low pressure control contact that covers on 4400 and touch the high-voltage contact of setting plate 7 in this high pressure, and then make this high pressure gating switch SW1 closure, these feedway 50 conductings are represented specific tires and the too high signal of tire pressure and launch one group.
When tire pressure is low excessively when making pressure-bearing film 40 ' contractions consequently piston body 44 moving down, this extension spring 45 is compressed, and by the setting of this extension spring 45, can help pressure-bearing film 40 ' stable resetting, when tire pressure is crossed low so that this piston body 44 when moving down, the touching plate 4401 and can touch annular plate body 8 of this pressure adjustment part 440, make this high-low pressure control contact that touches on the plate 4400 touch in the low-voltage contact of annular plate body 8, and make this low pressure gating switch SW2 closure, these feedway 50 conductings are represented the low excessively signal of specific tires and tire pressure and launch one group.
Claims (15)
1. tyre pressure alarm, comprise a base, room of its inner formation, internal face at this room is provided with a supporting seat, the bottom of this room is provided with the inlet channel that a tire pressure can enter from access, loam cake of cover cap airtightly on this base is provided with a push body in the room of this base, it is characterized in that:
This push body comprises a pressure-bearing film and a piston body, and this pressure-bearing film is an elastic body that the inlet channel with this base connects, and this piston body is arranged at this pressure-bearing film top, and this piston body moves up and down because of the expansion or the contraction of pressure-bearing film;
This tyre pressure alarm also is provided with a caution system, and this caution system comprises a feedway, a power source body and a pressure switch;
This feedway is located in this tyre pressure alarm, in order to launch a radio signal;
This power source body is located in this tyre pressure alarm, as the power supply of this feedway;
This pressure switch is located in this supporting seat, comprise a high-low pressure control contact, the high-voltage contact of a removable adjustment and a low-voltage contact, this high-low pressure control contact is located on the piston body of this push body, and along with this piston body moves together, the high-voltage contact of this removable adjustment is located at a high pressure and is set on the plate, be positioned at the top of this high-low pressure control contact relatively, this low-voltage contact then is located at the below of this high-low pressure control contact, the high-voltage contact of removable adjustment and this low-voltage contact are electrically connected at this power source body and this feedway, form the loop, between the high-voltage contact of high-low pressure control contact and removable adjustment, form a high pressure gating switch, and between this high-low pressure control contact and low-voltage contact, form a low pressure gating switch;
This tyre pressure alarm also is provided with a receiving device, in order to receiving the radio signal that this feedway is launched, and demonstrates.
2. tyre pressure alarm as claimed in claim 1 is characterized in that: whole tyre pressure alarm is to hide on the steel ring that is fixed in the tire.
3. tyre pressure alarm as claimed in claim 1 is characterized in that: the low-voltage contact of this pressure switch is located on the annular plate body, and this annular plate body places on the ribs of this supporting seat.
4. tyre pressure alarm as claimed in claim 3, it is characterized in that: the removable adjustment high-voltage contact of this pressure switch is located at the bottom surface that this high pressure is set plate, this high pressure is set plate and is bolted on this supporting seat, on this high pressure setting plate, be provided with two and adjust holes, set the plate position height of this supporting seat relatively to adjust this high pressure, and then adjust the high pressure setting value.
5. tyre pressure alarm as claimed in claim 4, it is characterized in that: this push body also comprises a pressure adjustment plate and a compression spring, this pressure is adjusted plate and is located at this pressure-bearing film top, and link with the internal face of this supporting seat, and this pressure is adjusted plate and is had a perforation, the end face of this piston body is provided with one and is through at the piston rod that this pressure is adjusted the perforation of plate, and this compression spring is located on outside the piston rod of this piston body, the one end is butted on the end face of this piston body, and the other end is butted on the bottom surface that this pressure is adjusted plate.
6. tyre pressure alarm as claimed in claim 1, it is characterized in that: this push body also comprises a high pressure setting plate and a compression spring, this high pressure is set plate and is located at this pressure-bearing film top, and link with the internal face of this supporting seat, and this high pressure is set plate and is had a perforation, the end face of this piston body is provided with one and is through at the piston rod that this high pressure is set the perforation of plate, and this compression spring is located on outside the piston rod of this piston body, the one end is butted on the end face of this piston body, and the other end is butted on the bottom surface that this high pressure is set plate.
7. tyre pressure alarm as claimed in claim 6, it is characterized in that: the removable adjustment high-voltage contact of this pressure switch is located on the high pressure adjusting screw, this high pressure adjusting screw then vertically is bolted in this high pressure and sets in the screw on plate, the position that this high pressure is set relative this supporting seat of plate just is adjustable, and this high pressure adjusting screw screw lock degree of depth of the screw of this high pressure setting plate relatively also is adjustable, and then can adjust the high pressure setting value.
8. tyre pressure alarm as claimed in claim 7 is characterized in that: the low-voltage contact of this pressure switch is located on the annular plate body, and this annular plate body is arranged on the ribs of this supporting seat.
9. tyre pressure alarm as claimed in claim 1 is characterized in that: this caution system also comprises the source switch that is located on the base plate, and this source switch and this power source body electrically connect, and comprise a magnetic stripe, an elastic body and a magnetic reed switch; This magnetic stripe has the external magnetic field;
The force direction setting that this elastic body is produced when being tyre rotation, the effort that is produced when this elastic body is subjected to tyre rotation and this magnetic stripe one elastic force is provided makes this magnetic stripe produce displacement;
This magnetic reed switch is located at a side of this magnetic stripe and is positioned at the scope that this magnetic stripe can be sensed, when this magnetic stripe produces displacement, make the external magnetic field of this magnetic stripe respond to this magnetic reed switch, the closed conducting of this magnetic reed switch, and then with this power source body conducting, required power supply during for feedway running that should tyre pressure alarm.
10. tyre pressure alarm as claimed in claim 9 is characterized in that: this source switch also comprises an axle bed, an axostylus axostyle and a swing component; This axle bed is located at this elastic body and this magnetic reed switch between the two;
This axostylus axostyle is coupling between the two ends of this axle bed, and this magnetic stripe closely is located on this axostylus axostyle;
This swing component is suppressed in this elastic body one end, makes this elastic body be pressured state, and the end of this swing component is connected on this axostylus axostyle;
When the rotating speed of tyre rotation and tyre rotation reaches certain rotating speed, make tire to application force that swing component produced during greater than elastomeric elastic force, this swing component can be depressed elastic body and produce rotation, drive magnetic stripe simultaneously and produce displacement, the external magnetic field of magnetic stripe is moved, the induction magnetic reed switch makes the closed conducting of this magnetic reed switch.
11. tyre pressure alarm as claimed in claim 10 is characterized in that: this tyre pressure alarm also comprises an angle limits bar, and the one end is fixed in an end of this axle bed, and the other end is positioned at this swing component top, in order to limit the pendulum angle of this swing component return.
12. tyre pressure alarm as claimed in claim 9 is characterized in that: this source switch also comprises a permanent seat and an axostylus axostyle;
This permanent seat is located at a side of this magnetic reed switch;
This axostylus axostyle is fixed between the two ends of this permanent seat, this magnetic stripe and this elastic body all can be located on this axostylus axostyle, and this magnetic stripe is being supported by this elastic body;
When the rotating speed of tyre rotation and tyre rotation reaches certain rotating speed, make tire to application force that elastic body produced during greater than elastomeric elastic force, this elastic body will be suppressed, but so that this magnetic stripe elastic displacement, the external magnetic field of magnetic stripe is moved, respond to this magnetic reed switch, cause the closed conducting of magnetic reed switch.
13. tyre pressure alarm as claimed in claim 4, it is characterized in that: the piston body of this push body comprises a pressure adjustment part and a piston rod, this pressure adjustment part comprises that one is touched lid and one and is located on the plate that touches that touches lid bottom, this internal face that touches lid has screw thread, this piston rod is a screw rod, the upper end snail of this piston rod is connected to touching in the lid of this pressure adjustment part, touches lid and touch at this all to be provided with high-low pressure control contact on plate.
14. tyre pressure alarm as claimed in claim 13, it is characterized in that: this push body also comprises an extension spring, one end of this extension spring is bolted in the piston-rod lower end of this piston body, the other end then is bolted in the top of a film permanent seat, this film permanent seat is located at the room bottom, make this pressure-bearing film provided thereon,, can help stable the resetting of pressure-bearing film by the setting of this extension spring.
15. tyre pressure alarm as claimed in claim 14, it is characterized in that: an end of the pressure-bearing film of this push body is fixed in the pressure adjustment part bottom of this piston body, the other end is fixed in the top of this film permanent seat, make the piston rod of piston body and the inside that extension spring is positioned at this pressure-bearing film, the pressure-bearing film is expanded so that piston body when moving up when tire pressure is too high, this extension spring is stretched, the pressure-bearing film is shunk so that piston body when moving down when tire pressure is low excessively, this extension spring is compressed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98123495 CN1252363A (en) | 1998-10-26 | 1998-10-26 | Tyre pressure alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98123495 CN1252363A (en) | 1998-10-26 | 1998-10-26 | Tyre pressure alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1252363A true CN1252363A (en) | 2000-05-10 |
Family
ID=5228208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98123495 Pending CN1252363A (en) | 1998-10-26 | 1998-10-26 | Tyre pressure alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1252363A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100412524C (en) * | 2005-03-17 | 2008-08-20 | 黄添财 | Tyre pressure warner able to regulate set value of measuring tyre pressure and monitoring |
| CN102896987A (en) * | 2012-10-08 | 2013-01-30 | 茹长渠 | Automobile tire early warning system and air pressure sensor thereof |
| CN105667229A (en) * | 2016-01-14 | 2016-06-15 | 湖北文理学院 | Resonant type magnetic-coupling tyre pressure detecting device |
| CN107323183A (en) * | 2017-06-27 | 2017-11-07 | 上海誉盈光电科技有限公司 | A kind of detector means of embedded vehicle tire pressure |
-
1998
- 1998-10-26 CN CN 98123495 patent/CN1252363A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100412524C (en) * | 2005-03-17 | 2008-08-20 | 黄添财 | Tyre pressure warner able to regulate set value of measuring tyre pressure and monitoring |
| CN102896987A (en) * | 2012-10-08 | 2013-01-30 | 茹长渠 | Automobile tire early warning system and air pressure sensor thereof |
| CN102896987B (en) * | 2012-10-08 | 2015-01-07 | 茹长渠 | Automobile tire early warning system and air pressure sensor thereof |
| CN105667229A (en) * | 2016-01-14 | 2016-06-15 | 湖北文理学院 | Resonant type magnetic-coupling tyre pressure detecting device |
| CN107323183A (en) * | 2017-06-27 | 2017-11-07 | 上海誉盈光电科技有限公司 | A kind of detector means of embedded vehicle tire pressure |
| CN107323183B (en) * | 2017-06-27 | 2023-01-24 | 上海誉盈光电科技有限公司 | Detector device of embedded automobile tire pressure |
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