CN203981316U - Tire balancing equipment precision pressure sensor - Google Patents
Tire balancing equipment precision pressure sensor Download PDFInfo
- Publication number
- CN203981316U CN203981316U CN201420403322.6U CN201420403322U CN203981316U CN 203981316 U CN203981316 U CN 203981316U CN 201420403322 U CN201420403322 U CN 201420403322U CN 203981316 U CN203981316 U CN 203981316U
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- China
- Prior art keywords
- piezoelectric ceramic
- electrode slice
- metal
- injection moulding
- ceramic piece
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 230000001681 protective effect Effects 0.000 claims abstract description 29
- 239000000919 ceramic Substances 0.000 claims abstract description 28
- 238000001746 injection moulding Methods 0.000 claims abstract description 24
- 239000002184 metal Substances 0.000 claims abstract description 23
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 238000005259 measurement Methods 0.000 abstract description 8
- 230000035945 sensitivity Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 5
- 239000003963 antioxidant agent Substances 0.000 description 4
- 230000003078 antioxidant effect Effects 0.000 description 4
- 235000006708 antioxidants Nutrition 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000006698 induction Effects 0.000 description 4
- 238000000465 moulding Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- Measuring Fluid Pressure (AREA)
Abstract
The utility model discloses a kind of tire balancing equipment precision pressure sensor, comprise two metal newel posts, described in two, the outer end of metal newel post is provided with pressure sensitive nest, described in two, the inner of metal newel post is respectively equipped with insulating trip, described in two, between insulating trip, be provided with at least two piezoelectric ceramic pieces that homopolarity is adjacent, the two ends of each described piezoelectric ceramic piece are respectively equipped with electrode slice, the adjacent face of adjacent described piezoelectric ceramic piece shares a described electrode slice, the described electrode slice of identical polar is connected to respectively corresponding terminal pin, described piezoelectric ceramic piece, described in described electrode slice and two, insulating trip outer peripheral face is provided with integrated injection moulding protective sleeve, described injection moulding protective sleeve is connected with the pin protective cover of one.The utility model is elegant in shape attractive in appearance, has greatly improved sensitivity and the precision of product, and anti-electromagnetic interference (EMI) is high, waterproof and dampproof, and measuring accuracy is high, and measurement data is stable, and Data duplication is good, and long product lifecycle has improved the quality of product greatly.
Description
Technical field
The utility model relates to a kind of pressure transducer, relates in particular to a kind of tire balancing equipment precision pressure sensor.
Background technology
At present, tyre balancing machine pressure sensor ubiquity waterproof, humidity resistance is poor, measuring accuracy is poor, measurement data is stable not, the bad problem of Data duplication, product is short serviceable life, also there is the poor problem of coarse, the anti-electromagnetic interference (EMI) of outward appearance simultaneously, cause product to can not meet the requirement of high-acruracy survey, had a strong impact on the quality of product.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of elegant in shape attractive in appearance, the sensitivity and the precision that have greatly improved product, anti-electromagnetic interference (EMI) is high, waterproof and dampproof, measuring accuracy is high, has greatly improved the tire balancing equipment precision pressure sensor of the quality of product.
For solving the problems of the technologies described above, the technical solution of the utility model is: tire balancing equipment precision pressure sensor, comprise the axial two metal newel posts that are oppositely arranged, described in two, the outer end of metal newel post is provided with recessed in the pressure sensitive nest of described metal newel post inside, described in two, the inner of metal newel post is respectively equipped with insulating trip, described in two, between insulating trip, be provided with at least two piezoelectric ceramic pieces that homopolarity is adjacent, the two ends of each described piezoelectric ceramic piece are respectively equipped with electrode slice, the adjacent face of adjacent described piezoelectric ceramic piece shares a described electrode slice, the described electrode slice of identical polar is connected to respectively corresponding terminal pin, described piezoelectric ceramic piece, described in described electrode slice and two, insulating trip outer peripheral face is provided with integrated injection moulding protective sleeve, the axial two ends of described injection moulding protective sleeve respectively fixed packet overlay in described metal newel post, the side face of described injection moulding protective sleeve is connected with and the pin protective cover of described injection moulding protective sleeve one corresponding to the position of described terminal pin.
As preferred technical scheme, the quantity of described piezoelectric ceramic piece is two, the quantity of described electrode slice is three, between described insulating trip and described piezoelectric ceramic piece two described in electrode slice be connected to corresponding described terminal pin after connecting by electrode connecting piece.
As the improvement to technique scheme, the port longitudinal cross-section of described pin protective cover is for falling " U " type, the lateral length of described pin protective cover is longer than the lateral length of described terminal pin.
As the further improvement to technique scheme, described metal newel post is provided with the fixing half the circumference of the sleeve where it joins the shoulder of injection moulding cover.
Owing to having adopted technique scheme, when being used for using, described pressure sensitive nest is connected with induction Metal Ball, easy to connect, respond to sensitive, at least two of the quantity of described piezoelectric ceramic piece, the quantity of described electrode slice is that the quantity of described piezoelectric ceramic piece adds a slice, improve the sensitivity of induction, further improve the precision of pressure transducer, improved the anti-electromagnetic interference performance of pressure transducer simultaneously, equipment measurement data in measuring process is stable, measurement data is reproducible, described injection moulding protective sleeve can adopt waterproof, moistureproof, anti-oxidant, resistant to elevated temperatures plastics are processed into by injection moulding process, in structure, sealing effectiveness is good, there is good waterproof, moistureproof, anti-oxidant, resistant to elevated temperatures performance, be conducive to the steady operation of product, time processing moulding, processing technology is simple, work efficiency is high, fixed, be conducive to extend the serviceable life of product.The utility model is elegant in shape attractive in appearance, has greatly improved sensitivity and the precision of product, and anti-electromagnetic interference (EMI) is high, waterproof and dampproof, and measuring accuracy is high, and measurement data is stable, and Data duplication is good, and long product lifecycle has improved the quality of product greatly.
Brief description of the drawings
The following drawings is only intended to the utility model to schematically illustrate and explain, does not limit scope of the present utility model.Wherein:
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the vertical view of the utility model embodiment;
Fig. 3 is that the A-A of Fig. 2 is to revolved sectional view.
In figure: 1-metal newel post; 2-pressure sensitive nest; 3-insulating trip; 4-electrode slice; 5-piezoelectric ceramic piece; 6-terminal pin; 7-injection moulding protective sleeve; 8-pin protective cover; The fixing half the circumference of the sleeve where it joins the shoulder of 9-injection moulding cover; 10-electrode connecting piece.
Embodiment
Below in conjunction with drawings and Examples, further set forth the utility model.In the following detailed description, only by the mode of explanation, some example embodiment of the present utility model has been described.Undoubtedly, those of ordinary skill in the art can recognize, in the situation that not departing from spirit and scope of the present utility model, can revise described embodiment by various mode.Therefore, accompanying drawing is illustrative with being described in essence, instead of for limiting the protection domain of claim.
As Fig. 1, shown in Fig. 2 and Fig. 3, tire balancing equipment precision pressure sensor, comprise the axial two metal newel posts 1 that are oppositely arranged, described in two, the outer end of metal newel post 1 is provided with recessed in the pressure sensitive nest 2 of described metal newel post 1 inside, described in two, the inner of metal newel post 1 is respectively equipped with insulating trip 3, described in two, between insulating trip 3, be provided with at least two piezoelectric ceramic pieces 5 that homopolarity is adjacent, the two ends of each described piezoelectric ceramic piece 5 are respectively equipped with electrode slice 4, the adjacent face of adjacent described piezoelectric ceramic piece 5 shares a described electrode slice 4, the described electrode slice 4 of identical polar is connected to respectively corresponding terminal pin 6, described piezoelectric ceramic piece 5, described in described electrode slice 4 and two, insulating trip 3 outer peripheral faces are provided with integrated injection moulding protective sleeve 7, the axial two ends of described injection moulding protective sleeve 7 respectively fixed packet overlay in described metal newel post 1, the side face of described injection moulding protective sleeve 7 is connected with and the pin protective cover 8 of described injection moulding protective sleeve 7 one corresponding to the position of described terminal pin 6.
The quantity of described piezoelectric ceramic piece 5 is two, and the quantity of described electrode slice 4 is three, between described insulating trip 3 and described piezoelectric ceramic piece 5 two described in electrode slice 4 be connected to the corresponding described terminal pin 6 that connects after connecting by electrode connecting piece 10.
Described pressure sensitive nest 2 is connected with induction Metal Ball when using, easy to connect, respond to sensitive, at least two of the quantity of described piezoelectric ceramic piece 5, the quantity of described electrode slice 4 is that the quantity of described piezoelectric ceramic piece 5 adds a slice, the quantity of piezoelectric ceramic piece 5 described in the present embodiment is two, the quantity of described electrode slice 4 is three, improve the sensitivity of induction, further improve the precision of pressure transducer, improved the anti-electromagnetic interference performance of pressure transducer simultaneously, equipment measurement data in measuring process is stable, measurement data is reproducible, described injection moulding protective sleeve 7 can adopt waterproof, moistureproof, anti-oxidant, resistant to elevated temperatures plastics are processed into by injection moulding process, in structure, sealing effectiveness is good, there is good waterproof, moistureproof, anti-oxidant, resistant to elevated temperatures performance, be conducive to the steady operation of product, time processing moulding, processing technology is simple, work efficiency is high, fixed, be conducive to extend the serviceable life of product.The present embodiment is elegant in shape attractive in appearance, has greatly improved sensitivity and the precision of product, and anti-electromagnetic interference (EMI) is high, waterproof and dampproof, and measuring accuracy is high, and measurement data is stable, and Data duplication is good, and long product lifecycle has improved the quality of product greatly.
The port longitudinal cross-section of described pin protective cover 8 is for falling " U " type, the lateral length of described pin protective cover 8 is longer than the lateral length of described terminal pin 6.Both facilitate connecting lead wire, and can protect well again described terminal pin 6.
Described metal newel post 1 is provided with the fixing half the circumference of the sleeve where it joins the shoulder 9 of injection moulding cover, facilitates described injection moulding protective sleeve 7 to be connected with described metal newel post 1, fixed.
More than show and described ultimate principle of the present utility model, principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and instructions, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. tire balancing equipment precision pressure sensor, comprise the axial two metal newel posts that are oppositely arranged, it is characterized in that: described in two, the outer end of metal newel post is provided with recessed in the pressure sensitive nest of described metal newel post inside, described in two, the inner of metal newel post is respectively equipped with insulating trip, described in two, between insulating trip, be provided with at least two piezoelectric ceramic pieces that homopolarity is adjacent, the two ends of each described piezoelectric ceramic piece are respectively equipped with electrode slice, the adjacent face of adjacent described piezoelectric ceramic piece shares a described electrode slice, the described electrode slice of identical polar is connected to respectively corresponding terminal pin, described piezoelectric ceramic piece, described in described electrode slice and two, insulating trip outer peripheral face is provided with integrated injection moulding protective sleeve, the axial two ends of described injection moulding protective sleeve respectively fixed packet overlay in described metal newel post, the side face of described injection moulding protective sleeve is connected with and the pin protective cover of described injection moulding protective sleeve one corresponding to the position of described terminal pin.
2. tire balancing equipment precision pressure sensor as claimed in claim 1, it is characterized in that: the quantity of described piezoelectric ceramic piece is two, the quantity of described electrode slice is three, between described insulating trip and described piezoelectric ceramic piece two described in electrode slice be connected to corresponding described terminal pin after connecting by electrode connecting piece.
3. tire balancing equipment precision pressure sensor as claimed in claim 1, is characterized in that: the port longitudinal cross-section of described pin protective cover is for falling " U " type, the lateral length of described pin protective cover is longer than the lateral length of described terminal pin.
4. the tire balancing equipment precision pressure sensor as described in claim 1,2 or 3, is characterized in that: described metal newel post is provided with the fixing half the circumference of the sleeve where it joins the shoulder of injection moulding cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420403322.6U CN203981316U (en) | 2014-07-21 | 2014-07-21 | Tire balancing equipment precision pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420403322.6U CN203981316U (en) | 2014-07-21 | 2014-07-21 | Tire balancing equipment precision pressure sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203981316U true CN203981316U (en) | 2014-12-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420403322.6U Expired - Fee Related CN203981316U (en) | 2014-07-21 | 2014-07-21 | Tire balancing equipment precision pressure sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203981316U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111366290A (en) * | 2020-03-27 | 2020-07-03 | 中国工程物理研究院电子工程研究所 | Hemispherical universal sensitive piezoelectric impact sensor |
| CN114543889A (en) * | 2022-02-28 | 2022-05-27 | 浙江沃德尔科技集团股份有限公司 | Temperature and pressure sensor structure |
-
2014
- 2014-07-21 CN CN201420403322.6U patent/CN203981316U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111366290A (en) * | 2020-03-27 | 2020-07-03 | 中国工程物理研究院电子工程研究所 | Hemispherical universal sensitive piezoelectric impact sensor |
| CN114543889A (en) * | 2022-02-28 | 2022-05-27 | 浙江沃德尔科技集团股份有限公司 | Temperature and pressure sensor structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141203 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |