CN204296378U - A kind of passive sonic surface wave sensing device and intelligent tire - Google Patents
A kind of passive sonic surface wave sensing device and intelligent tire Download PDFInfo
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- CN204296378U CN204296378U CN201420540314.6U CN201420540314U CN204296378U CN 204296378 U CN204296378 U CN 204296378U CN 201420540314 U CN201420540314 U CN 201420540314U CN 204296378 U CN204296378 U CN 204296378U
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- circuit card
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- tire
- base
- acoustic wave
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Abstract
The utility model discloses a kind of passive sonic surface wave sensing device and intelligent tire, described passive sonic surface wave sensing device comprises base and surface acoustic wave sensor, described base and surface acoustic wave sensor are for removably connecting, the antenna that described base at least comprises circuit card and is arranged on described circuit card, described circuit card is provided with the contact be connected with described antenna electric, described surface acoustic wave sensor has and described contact pin one to one, when described surface acoustic wave sensor is arranged on described base, described pin is electrically connected with the contact corresponding to it.Passive sonic surface wave sensing device of the present utility model maintains its work without the need to battery, has the advantage that volume is little, weight is little, and have the performance of certain high temperature high voltage resistant compared with active device.
Description
Technical field
The utility model relates to a kind of sensing device, specifically, relates to a kind of passive sonic surface wave sensing device and intelligent tire.
Background technology
System for monitoring pressure in tyre (Tire pressure monitoring system; be called for short TPMS) as a kind of forewarn system; " in advance initiatively " type safety guard-safeguard is not only provided; by Real-Time Monitoring tire pressure, temperature; effective prevention tyre explosion accident; and can automobile fuel consumption be reduced, ensure performance and the life-span of car load, there is economic benefit and environmental protection effect.
Tire pressure sensing device is the main sensors part of system for monitoring pressure in tyre, at present, tire pressure sensing device on market is generally active, that is: pressure sensor, power supply, microprocessor and wireless communication module integration packaging are got up, be installed on tire valve or wheel hub.Active sensor device needs to arrange the work of battery holdout device, and volume is comparatively large, and regularly needs to change battery, uses not only inconvenience but also be unfavorable for environmental protection.In addition, the tire pressure sensing device be installed on tire valve or wheel hub does not directly contact with tire, its temperature of monitoring is the temperature of air in tire, be not the real time temperature of tire, therefore tire tube valve mounting means and the monitoring of wheel hub mounting means to tyre temperature are indirectly not real-time.Again, tire pressure sensing device is arranged on tire tube valve or around it, in tyre service, tuning process, easily causes the damage of valve or transmitter module, cause tire pressure monitoring system to lose efficacy.
Summary of the invention
The various problems that the utility model exists to solve existing active tire pressure sensing device, propose a kind of passive sonic surface wave sensing device.
In order to solve the problems of the technologies described above, the utility model is achieved by the following technical solutions:
A kind of passive sonic surface wave sensing device, comprise base and surface acoustic wave sensor, described base and surface acoustic wave sensor are for removably connecting, the antenna that described base at least comprises circuit card and is arranged on described circuit card, described circuit card is provided with the contact be connected with described antenna electric, described surface acoustic wave sensor has and described contact pin one to one, and when described surface acoustic wave sensor is arranged on described base, described pin is electrically connected with the contact corresponding to it.
Further, conveniently base and tire are fixed, described base also comprises the stay bearing plate being fixed on described circuit card lower surface, described circuit card is annular, described stay bearing plate is formed with the female projection of band, described projection stretches in the interior circular hole of described circuit card, and described surface acoustic wave sensor is provided with the bolt matched with described negative thread.
Further again, fixing in order to what base can be able to be realized when tyre vulcanization with tire, described stay bearing plate lower surface is fixed with sheet rubber.
Preferably, because base needs the curing process through tire, described stay bearing plate should have the performance of high temperature high voltage resistant, and therefore, described stay bearing plate preferably adopts stainless steel metal sheet.
In order to save raw MAT'L, save cost of manufacture, described stay bearing plate is circular, the radius of described stay bearing plate is greater than the exradius of described circuit card, described circuit card also comprises two wing limits of symmetrical setting, described antenna is two, is placed on two described wing limits respectively, and the distance between described two wing limit free ends is not less than the diameter of described stay bearing plate.
Wherein, described circuit card is PCB.
During in order to surface wave sensor being arranged on described base, described pin can keep good electrical connection with contact, and the height of described projection is not more than the thickness of described circuit card.
Based on above-mentioned a kind of passive sonic surface wave sensing device, the utility model provides a kind of intelligent tire simultaneously, and comprise the passive sonic surface wave sensing device above described in any one, described base is installed on the inside face of described tire.
Further, described base sulfuration is fixed on the inside face of described tire.
Further again, before on the inside face that described base sulfuration is fixed on described tire, also comprise the metal cover covering on described circuit card upper surface, described metal cover is provided with the second bolt matched with described negative thread, when described metal cover is arranged on described base, be sealed in metal cover to contact described in major general, after described tyre vulcanization completes, described metal cover is taken off, and described sound surface probe is arranged on described base.
Compared with prior art, advantage of the present utility model and good effect are: passive sonic surface wave sensing device of the present utility model, passive surface acoustic wave sensor is adopted to detect the parameter such as pressure, temperature, the series of problems of all active devices can be avoided, can be applicable to be inconvenient to change the environment for use of battery (as inside tire, in airtight device etc.) widely, this passive sonic surface wave sensing device can be set directly at tire inner surface, directly contact with carcass, directly can measure the temperature of tire in real time.In addition, base and surface acoustic wave sensor are Detachable connection structure, base can be fixed in tire inner surface when tyre vulcanization, surface acoustic wave sensor is well fixed on base by tire production afterwards, avoids the problem needing the curing process through High Temperature High Pressure to cause it to be easily damaged when fixed sound surface wave sensor is fixed on tire.
After reading the detailed description of the utility model embodiment by reference to the accompanying drawings, other features of the present utility model and advantage will become clearly.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of example structure schematic diagram of passive sonic surface wave sensing device that the utility model proposes;
Fig. 2 is the front view of circuit card 101 in Fig. 1;
Fig. 3 is the structural representation of surface acoustic wave sensor 2 in Fig. 1;
Fig. 4 is another enforcement structural representation of passive sonic surface wave sensing device that the utility model proposes;
Fig. 5 is passive sonic surface wave sensing device status architecture schematic diagram when mounted in embodiment two.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment one, present embodiments provide a kind of passive sonic surface wave sensing device, as shown in Figure 1, comprise base 1 and surface acoustic wave sensor 2, described base 1 and surface acoustic wave sensor 2 are for removably connecting, described base 1 at least comprises circuit card 101 and is arranged on the antenna 102 on described circuit card 101, as shown in Figure 2, for the front view of circuit card 101, described circuit card 101 is provided with the contact 103 be electrically connected with described antenna 102, as shown in Figure 3, described surface acoustic wave sensor 2 has and described contact 103 pin 201 one to one, described when being arranged on described base 1, described pin 201 is electrically connected with the contact 103 corresponding to it.The passive sonic surface wave sensing device of the present embodiment, utilize surface acoustic wave sensing principle, for a kind of passive detection device, interrogation signal is sent to it by the external world, because passive sonic surface wave sensor 2 parameter characteristic under the environment such as different pressures, temperature also changes accordingly, this change is by the feedback signal that is reflected in interrogation signal, extraneous by analyzing its feedback signal, can obtain the information such as pressure, temperature.This passive sonic surface wave sensing device can be applicable to be inconvenient to change battery (as tire widely, in the airtight device such as tank car) environment, use and convenience, can avoid at present because of the series of problems that active device produces, base and surface acoustic wave sensor are Detachable connection structure, by first base being such as fixed on tire inner surface when tyre vulcanization, surface acoustic wave sensor is well fixed on base by tire production afterwards, avoid and adopt conventional installation fixed form to need the problem causing it to be easily damaged through severe external environment conditions such as High Temperature High Pressure fixed sound surface wave sensor.
As a preferred embodiment, the present embodiment will be used for tire pressure in conjunction with this passive sonic surface wave sensing device and be detected as example, be described in detail, as shown in Figure 4, conveniently base 1 and tire are fixed, described base 1 also comprises the stay bearing plate 104 being fixed on described circuit card 101 lower surface, this stay bearing plate 104 is for support circuit plate 101, prevent it from producing deformation because of High Temperature High Pressure, in addition, stay bearing plate 104 is also for fixed sound surface wave sensor 2, as Fig. 2, shown in Fig. 4, described circuit card 101 is annular, described stay bearing plate 101 is formed with the female projection 105 of band, described projection 105 stretches in the interior circular hole of described circuit card 101, as shown in Figure 3, described surface acoustic wave sensor 2 is provided with the bolt 202 matched with described negative thread, realize surface acoustic wave sensor 2 to removably connect with the screw thread of base 1.By circuit card 101 is set to annular, facilitates projection 105 through circuit card 101, thus can be connected with surface acoustic wave sensor 2.
What conveniently base 1 can be able to be realized when tyre vulcanization with tire is fixing, as shown in Figure 4, described stay bearing plate 104 lower surface is fixed with sheet rubber 108, due to the characteristic of rubber, when tire and base 2 are carried out sulfuration together, sheet rubber 108 forms one with the inwall of tire, and then realizes base 1 to be fixed on the inside face of tire.
Preferably, because base 1 needs the curing process through tire, described stay bearing plate 104 should have the performance of high temperature high voltage resistant, and therefore, described stay bearing plate preferably adopts stainless steel metal sheet to realize.
In order to save raw MAT'L, save cost of manufacture, described stay bearing plate 104 should be determined according to the shape of circuit card 101, also namely stay bearing plate 104 is preferably designed for circle, in order to whole circuit card 101 can be supported, the radius of stay bearing plate 104 should be greater than the exradius of described circuit card 101, in order to prevent, antenna is longer to be stretched out from circuit card, if touch the stay bearing plate 104 of the metal material of below, cause short circuit, affect antenna communication signal, the detection of surface acoustic wave sensor 2 pairs of environmental parameterss cannot be realized, therefore, as shown in Figure 2, described circuit card 101 also comprises two wing limits 106 of symmetrical setting, described antenna 102 can be two, be placed on two described wing limits 106 respectively, distance between described two wing limit 106 free ends is not less than the diameter of described stay bearing plate 104.Therefore, no matter how antenna stretches out circuit card, all can not contact with stay bearing plate 104, and wherein, two wing limits 106 are identical with the material of circuit card 101, with during circuit card 101 plate body one.In addition, the quantity on wing limit 106 can be determined according to the quantity of antenna 102.
Circuit card 101 can adopt high temperature resistant seccotine to be pasted onto stay bearing plate 104 surface or be screwed in stay bearing plate 104 surface by adopting, and antenna 102 can directly be welded on circuit card 101, as solder joint 107 place in Fig. 2.
Wherein, described circuit card 101 can adopt PCB that is high temperature resistant, high pressure, and other can certainly be adopted to have the board structure of circuit of same performance, as long as realize antenna 102 to be electrically connected with the pin of surface acoustic wave sensor 2 by contact.
As shown in Figure 4, during in order to surface wave sensor 2 being arranged on described base 1, described pin 201 can keep good electrical connection with contact 103, and the height of described projection 105 is not more than the thickness of described circuit card.
When the passive sonic surface wave sensing device of the present embodiment is applied to the detection of pressure of tire and tire temperature; just surface acoustic wave sensor 2 base can be carried out implantation tire inner surface when tire embryo; surface acoustic wave sensor 2 itself does not carry out tire vulcanization process; only after finished product the form of the foetus becomes; surface acoustic wave sensor 2 is installed on base 1; surface acoustic wave sensor 2 can be avoided to experience the sulfuration work condition environment of High Temperature High Pressure; protection sensor device is not impaired, realizes accuracy and conformability that surface acoustic wave sensor 2 received and sent data.
It should be noted that, the passive sonic surface wave sensing device of the present embodiment is an independently detection means, its apply detecting for tire pressure of being not limited to that the present embodiment illustrates, can also be applied to as tank car, temperature is carried out in the devices such as fuel tank, humidity, the detection of pressure and other parameters, specifically can select the surface acoustic wave sensor 2 of suitable types according to actual needs, accordingly, base can do corresponding adjustment according to the applied environment of its reality in configuration aspects, do not departing from the conversion and remodeling that essential scope of the present utility model does, all belong to protection domain of the present utility model.
Embodiment two, based on a kind of passive sonic surface wave sensing device in embodiment one, present embodiments provide a kind of intelligent tire, comprise the passive sonic surface wave sensing device described in embodiment one, base 1 is installed on the inside face of described tire.
Preferably, the sulfuration of described base 1 is fixed on the inside face of described tire.
As a preferred embodiment, in the air pressure environment be fully exposed in tire in order to the pressure-sensitive lid of surface acoustic wave sensor 2 can be made, and can not there be rubber extruded in surface acoustic wave sensor 2 metal lid edge, because the perception of surface acoustic wave sensor 2 pairs of pressure will be affected, as shown in Figure 5, before on the inside face that described base 1 sulfuration is fixed on described tire, also comprise the metal cover 3 covering on described circuit card 101 upper surface, described metal cover 3 is provided with the second bolt matched with described negative thread, when described metal cover is arranged on described base, be sealed in metal cover to contact described in major general, after described tyre vulcanization completes, described metal cover 3 is taken off, and described sound surface probe 2 is arranged on described base.The effect of metal cover is equivalent to the substitute of surface acoustic wave sensor 2 in curing process.Diameter needs the diameter being greater than surface acoustic wave sensor 2 sensor, highly want the thickness of a little higher than surface acoustic wave sensor 2 sensor, object ensures after surface acoustic wave sensor 2 replaces metal cover, in the air pressure environment allowing the pressure-sensitive lid of surface acoustic wave sensor 2 fully be exposed in tire, and surface acoustic wave sensor 2 sensor metal lid edge all can not have rubber extruded to affect the perception of pressure.After such sulfuration, screw off metal cover, the extruding interference effect that would not there be rubber at the edge replacing upper surface acoustic wave sensor 2 is installed.Therefore metal cover sharp processing aspect convenient unloading after must considering sulfuration, plum blossom groove can be designed in one end of cylinder capping when machine up, speciality tool is facilitated to rotate unloading easily to it, so that surface acoustic wave sensor 2 in subsequent installation.In addition, when metal cover can also prevent sulfuration, rubber enters into the inner overlay area of metal cover, and the rubber such as flowed has influence on the conduction property of contact 103, causes antenna cannot be electrically connected with surface acoustic wave sensor 2.
The intelligent tire of the present embodiment, the sensing device being arranged at its inside without the need to battery to maintain its work, there is the advantage that volume is little, weight is little compared with active device, there is the performance of certain high temperature high voltage resistant, therefore the high temperature when tire running is on sensor without impact, and in addition, the pressure and temperature acquisition of signal density of passive sonic surface wave sensor is high, conversion speed is fast, can reach the object of Real-Time Monitoring tyre temperature and pressure, the more important thing is, this intelligent tire is in conjunction with performance specific to tire, also namely: in order to the balance and centrifugal acceleration that ensure tire meet safety index, carry out balancing and centrifugal acceleration detection before tyre vulcanization, to ensure the safety of tire, balance if carry out and centrifugal acceleration detects time just detect the tire being provided with base, the balance of tire and/or the change of centrifugal acceleration can be caused undoubtedly after installation surface acoustic wave sensor, the safety performance of tire can not be ensured, the intelligent tire of the present embodiment is for this technical matters, by adopting metal cover simulated sound surface wave sensor in its curing process, when base 1 is after tire building, before sulfuration, metal cover is implanted to inside tire together with base, namely tire inner surface is implanted to when tire embryo, when implanting tire embryo, kinetic balance compensation adjustment can be carried out to tire before tyre vulcanization, by arranging metal cover simulated sound surface wave sensor, carry out the more realistic surface acoustic wave sensor 2 of kinetic balance compensation adjustment insert after situation, ensure the accuracy that balance and centrifugal acceleration detect.
Certainly; above-mentioned explanation is not to restriction of the present utility model; the utility model is also not limited in above-mentioned citing, the change that those skilled in the art make in essential scope of the present utility model, remodeling, interpolation or replacement, also should belong to protection domain of the present utility model.
Claims (10)
1. a passive sonic surface wave sensing device, it is characterized in that, comprise base and surface acoustic wave sensor, described base and surface acoustic wave sensor are for removably connecting, the antenna that described base at least comprises circuit card and is arranged on described circuit card, described circuit card is provided with the contact be connected with described antenna electric, described surface acoustic wave sensor has and described contact pin one to one, when described surface acoustic wave sensor is arranged on described base, described pin is electrically connected with the contact corresponding to it.
2. passive sonic surface wave sensing device according to claim 1, it is characterized in that, described base also comprises the stay bearing plate being fixed on described circuit card lower surface, described circuit card is annular, described stay bearing plate is formed with the female projection of band, described projection stretches in the interior circular hole of described circuit card, and described surface acoustic wave sensor is provided with the bolt matched with described negative thread.
3. passive sonic surface wave sensing device according to claim 2, is characterized in that, described stay bearing plate lower surface is fixed with sheet rubber.
4. passive sonic surface wave sensing device according to claim 3, is characterized in that, described stay bearing plate is stainless steel metal sheet.
5. the passive sonic surface wave sensing device according to any one of claim 2-4, it is characterized in that, described stay bearing plate is circular, the radius of described stay bearing plate is greater than the exradius of described circuit card, described circuit card also comprises two wing limits of symmetrical setting, described antenna is two, is placed on two described wing limits respectively, and the distance between described two wing limit free ends is not less than the diameter of described stay bearing plate.
6. the passive sonic surface wave sensing device according to any one of claim 2-4, is characterized in that, described circuit card is PCB.
7. the passive sonic surface wave sensing device according to any one of claim 2-4, is characterized in that, the height of described projection is not more than the thickness of described circuit card.
8. an intelligent tire, is characterized in that, comprise the passive sonic surface wave sensing device described in any one of claim 2-7, described base is installed on the inside face of described tire.
9. intelligent tire according to claim 8, is characterized in that, described base sulfuration is fixed on the inside face of described tire.
10. intelligent tire according to claim 9, it is characterized in that, before on the inside face that described base sulfuration is fixed on described tire, also comprise the metal cover covering on described circuit card upper surface, described metal cover is provided with the second bolt matched with described negative thread, when described metal cover is arranged on described base, be sealed in metal cover to contact described in major general, after described tyre vulcanization completes, described metal cover is taken off, and described sound surface probe is arranged on described base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420540314.6U CN204296378U (en) | 2014-09-19 | 2014-09-19 | A kind of passive sonic surface wave sensing device and intelligent tire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420540314.6U CN204296378U (en) | 2014-09-19 | 2014-09-19 | A kind of passive sonic surface wave sensing device and intelligent tire |
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| Publication Number | Publication Date |
|---|---|
| CN204296378U true CN204296378U (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420540314.6U Withdrawn - After Issue CN204296378U (en) | 2014-09-19 | 2014-09-19 | A kind of passive sonic surface wave sensing device and intelligent tire |
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| CN (1) | CN204296378U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105415987A (en) * | 2014-09-19 | 2016-03-23 | 软控股份有限公司 | Passive surface acoustic wave sensing device and intelligent tire |
-
2014
- 2014-09-19 CN CN201420540314.6U patent/CN204296378U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105415987A (en) * | 2014-09-19 | 2016-03-23 | 软控股份有限公司 | Passive surface acoustic wave sensing device and intelligent tire |
| CN105415987B (en) * | 2014-09-19 | 2017-12-15 | 软控股份有限公司 | A kind of passive sonic surface wave sensing device and intelligent tire |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150429 Effective date of abandoning: 20171215 |
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| AV01 | Patent right actively abandoned |