CN204944714U - Pressure resistance type ceramic pressure sensor - Google Patents
Pressure resistance type ceramic pressure sensor Download PDFInfo
- Publication number
- CN204944714U CN204944714U CN201520640516.2U CN201520640516U CN204944714U CN 204944714 U CN204944714 U CN 204944714U CN 201520640516 U CN201520640516 U CN 201520640516U CN 204944714 U CN204944714 U CN 204944714U
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- resistance
- type ceramic
- flexible sheet
- ceramics seat
- pressure sensor
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Abstract
The utility model discloses a kind of pressure resistance type ceramic pressure sensor, it comprises ceramics seat, flexible sheet, groove, positive source, output negative pole, power cathode, output cathode, first resistance, second resistance, 3rd resistance, 4th resistance, pad, flexible sheet is fixed on the surface of ceramics seat, four grooves lay respectively on four sides of ceramics seat, positive source, output negative pole, power cathode, output cathode, first resistance, second resistance, 3rd resistance, 4th resistance, pad is all positioned on flexible sheet, first resistance, second resistance, 3rd resistance, 4th resistance connects successively.The utility model is gained in strength, and convenient connection power supply and output signal, improve the accuracy detected.
Description
Technical field
The utility model relates to a kind of pressure transducer, particularly relates to a kind of pressure resistance type ceramic pressure sensor.
Background technology
Pottery be a kind of generally acknowledged high resiliency, anticorrosive, resistance to wear, the material of shock resistance and vibration.Thermal stability property and its thick-film resistor of pottery can make its operating temperature range up to-40 ~ 135 DEG C, and have high precision, the high stability of measurement.Electric insulation degree >2kV, output signal is strong, and long-time stability are good.High characteristic, the ceramic sensor element of low price will be the developing direction of pressure transducer, have the trend comprehensively substituting other type sensor in American-European countries, use ceramic sensor element to substitute diffusion silicon pressure sensor in China also increasing user.The intensity of existing sensor is low, is inconvenient to connect power supply and output signal, and the accuracy of detection is low.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of pressure resistance type ceramic pressure sensor, and it is gained in strength, and convenient connection power supply and output signal, improve the accuracy detected.
The utility model solves above-mentioned technical matters by following technical proposals: a kind of pressure resistance type ceramic pressure sensor, it is characterized in that, described pressure resistance type ceramic pressure sensor comprises ceramics seat, flexible sheet, groove, positive source, output negative pole, power cathode, output cathode, first resistance, second resistance, 3rd resistance, 4th resistance, pad, flexible sheet is fixed on the surface of ceramics seat, four grooves lay respectively on four sides of ceramics seat, positive source, output negative pole, power cathode, output cathode, first resistance, second resistance, 3rd resistance, 4th resistance, pad is all positioned on flexible sheet, first resistance, second resistance, 3rd resistance, 4th resistance connects successively.
Preferably, described pressure resistance type ceramic pressure sensor also comprises sensor chip and packing ring, and sensor chip is positioned at ceramics seat, and packing ring is positioned at the below of sensor chip.
Preferably, the shape of described ceramics seat and the shape of flexible sheet are all square or circular.
Preferably, the diameter of described ceramics seat is 18mm, is highly 3.5mm to 6.35mm.
Preferably, described flexible sheet is provided with four pilot holes, and pilot hole is positioned at the side of groove.
Positive progressive effect of the present utility model is: the utility model improves the project organization of flexible sheet and ceramics seat, gains in strength, and convenient connection power supply and output signal, improve the accuracy detected, and structure is simple, and cost is low.
Accompanying drawing explanation
Fig. 1 is the vertical view of the utility model pressure resistance type ceramic pressure sensor.
Fig. 2 is the planar structure schematic diagram of the utility model pressure resistance type ceramic pressure sensor.
Embodiment
The utility model preferred embodiment is provided, to describe the technical solution of the utility model in detail below in conjunction with accompanying drawing.
As shown in Figure 1, the utility model pressure resistance type ceramic pressure sensor comprises ceramics seat 1, flexible sheet 2, groove 3, positive source 4, output negative pole 5, power cathode 6, output cathode 7, first resistance 8, second resistance 9, 3rd resistance 10, 4th resistance 11, pad 12, flexible sheet 2 is fixed on the surface of ceramics seat 1, four grooves 3 lay respectively on four sides of ceramics seat 2, positive source 4, output negative pole 5, power cathode 6, output cathode 7, first resistance 8, second resistance 9, 3rd resistance 10, 4th resistance 11, pad 12 is all positioned on flexible sheet 2, first resistance 8, second resistance 9, 3rd resistance 10, 4th resistance 11 connects successively.Fixing between flexible sheet and ceramics seat, the intensity of sensor mechanical structure can be ensured like this, ensure its reliability, can the very wide fluctuation pressure of survey frequency scope.Positive source, power cathode conveniently connect power supply, the convenient output signal of output negative pole, output cathode.First resistance, the second resistance, the 3rd resistance, the 4th resistance form a balanced bridge, improve the accuracy detected.By under measuring pressure effect, flexible sheet produces stress and strain.Groove is convenient to be engaged with other element.
The diameter of ceramics seat is 18mm, is highly 3.5mm to 6.35mm, is preferably 4.8mm, saves material like this.Flexible sheet 2 is provided with four pilot holes 13, and pilot hole 13 is positioned at the side of groove, so conveniently positions.
As shown in Figure 2, the utility model pressure resistance type ceramic pressure sensor also comprises sensor chip 14 and packing ring 15, and sensor chip 14 is positioned at ceramics seat 1, packing ring 15 is positioned at the below of sensor chip 14, establish the utility model meter reasonable like this, compact, easily encapsulates.
The shape of the ceramics seat of the utility model pressure resistance type ceramic pressure sensor and the shape of flexible sheet all can be designed to square or circular configuration, can meet the needs of different occasion like this, reduce manufacturing cost, be convenient to large-scale production.
The material of the ceramics seat of the utility model pressure resistance type ceramic pressure sensor is pottery, has anticorrosive, wear resistance, and shock resistance, anti-vibration, also have measure high precision, high stability, wide operating temperature range advantage.
Above-described specific embodiment; the technical matters of solution of the present utility model, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. a pressure resistance type ceramic pressure sensor, it is characterized in that, described pressure resistance type ceramic pressure sensor comprises ceramics seat, flexible sheet, groove, positive source, output negative pole, power cathode, output cathode, first resistance, second resistance, 3rd resistance, 4th resistance, pad, flexible sheet is fixed on the surface of ceramics seat, four grooves lay respectively on four sides of ceramics seat, positive source, output negative pole, power cathode, output cathode, first resistance, second resistance, 3rd resistance, 4th resistance, pad is all positioned on flexible sheet, first resistance, second resistance, 3rd resistance, 4th resistance connects successively.
2. pressure resistance type ceramic pressure sensor as claimed in claim 1, it is characterized in that, described pressure resistance type ceramic pressure sensor also comprises sensor chip and packing ring, and sensor chip is positioned at ceramics seat, and packing ring is positioned at the below of sensor chip.
3. pressure resistance type ceramic pressure sensor as claimed in claim 1, it is characterized in that, the shape of described ceramics seat and the shape of flexible sheet are all square or circular.
4. pressure resistance type ceramic pressure sensor as claimed in claim 1, it is characterized in that, the diameter of described ceramics seat is 18mm, is highly 3.5mm to 6.35mm.
5. pressure resistance type ceramic pressure sensor as claimed in claim 1, it is characterized in that, described flexible sheet is provided with four pilot holes, and pilot hole is positioned at the side of groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520640516.2U CN204944714U (en) | 2015-08-24 | 2015-08-24 | Pressure resistance type ceramic pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520640516.2U CN204944714U (en) | 2015-08-24 | 2015-08-24 | Pressure resistance type ceramic pressure sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204944714U true CN204944714U (en) | 2016-01-06 |
Family
ID=55012130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520640516.2U Expired - Fee Related CN204944714U (en) | 2015-08-24 | 2015-08-24 | Pressure resistance type ceramic pressure sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204944714U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107643132A (en) * | 2016-07-22 | 2018-01-30 | 上海域丰传感仪器有限公司 | One kind sealing pressure ceramic flat membrane pressure sensor |
| CN108444621A (en) * | 2018-05-28 | 2018-08-24 | 深圳研勤达科技有限公司 | A kind of ceramic resistance type pressure sensor |
-
2015
- 2015-08-24 CN CN201520640516.2U patent/CN204944714U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107643132A (en) * | 2016-07-22 | 2018-01-30 | 上海域丰传感仪器有限公司 | One kind sealing pressure ceramic flat membrane pressure sensor |
| CN108444621A (en) * | 2018-05-28 | 2018-08-24 | 深圳研勤达科技有限公司 | A kind of ceramic resistance type pressure sensor |
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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: 20160106 Termination date: 20160824 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |