CN211401532U - High-precision small-sized pressure sensor - Google Patents
High-precision small-sized pressure sensor Download PDFInfo
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- CN211401532U CN211401532U CN201921917371.0U CN201921917371U CN211401532U CN 211401532 U CN211401532 U CN 211401532U CN 201921917371 U CN201921917371 U CN 201921917371U CN 211401532 U CN211401532 U CN 211401532U
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- pressure sensor
- shell
- heat dissipation
- casing
- display screen
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Abstract
The utility model discloses a small-size pressure sensor of high accuracy, which comprises a housin, the front end middle part of casing is provided with high temperature resistant display screen, high temperature resistant display screen's upper end is provided with the wire, the upper end of casing is provided with the heating panel, the casing is close to the one end of heating panel is provided with a plurality of louvres, the bottom of casing is provided with the probe, the inside of casing is provided with the installation inner chamber, the side of installation inner chamber be provided with the inside lining that shells inner wall connects, the middle part of inside lining is provided with pressure measurement, installation inner chamber middle part just is located pressure measurement with be provided with the buffering installed part between the inside lining, pressure measurement device's upper end be provided with inside lining fixed connection's ceramic core, the upper end middle part of ceramic core is provided with. Has the advantages that: and then improve overall structure's life, further improved the measuring precision, the operation is stable for a long time.
Description
Technical Field
The utility model relates to a pressure sensor technical field particularly, relates to a small-size pressure sensor of high accuracy.
Background
The pressure sensor is a device or a device which can sense pressure signals and can convert the pressure signals into usable output electric signals according to a certain rule, the pressure sensor usually consists of a pressure sensitive element and a signal processing unit, according to different pressure testing types, the pressure sensor can be divided into a gauge pressure sensor, a differential pressure sensor and an absolute pressure sensor, the pressure sensor is the most common sensor in industrial practice, and the pressure sensor is widely applied to various fields.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
To the problem among the correlation technique, the utility model provides a small-size pressure sensor of high accuracy to overcome the above-mentioned technical problem that current correlation technique exists.
Therefore, the utility model discloses a specific technical scheme as follows:
the utility model provides a small-size pressure sensor of high accuracy, includes the casing, the front end middle part of casing is provided with high temperature resistant display screen, the upper end of high temperature resistant display screen is provided with the wire, the upper end of casing is provided with the heating panel, the casing is close to the one end of heating panel is provided with a plurality of louvres, the bottom of casing is provided with the probe, the inside of casing is provided with the installation inner chamber, the side of installation inner chamber be provided with the inside lining that shells inner wall connects, the middle part of inside lining is provided with pressure measurement, installation inner chamber middle part just is located pressure measurement with be provided with the buffering installed part between the inside lining, pressure measurement device's upper end be provided with inside lining fixed connection's ceramic core, the upper end middle part of ceramic core is.
Furthermore, a display lamp is arranged at the front end of the shell and on one side of the upper end of the high-temperature resistant display screen.
Further, the heating panel comprises heat conduction silica gel board and heat dissipation aluminum plate, heat conduction silica gel board with the casing is connected, heat dissipation aluminum plate is located the top of heat conduction silica gel board.
Furthermore, both ends of the heat dissipation plate are connected with the shell through fixing bolts.
Furthermore, one end of the shell, which is far away from the high-temperature resistant display screen, is provided with an installation clamping groove.
Further, buffering installed part is including the connection rubber that is located pressure measurement device both ends, shells inner wall with be provided with a plurality of interlude between the pressure measurement device connection rubber's coupling spring, connection rubber's inside is provided with a plurality of strengthening ribs.
Further, the material of the lining is Teflon material.
The utility model provides a small-size pressure sensor of high accuracy, beneficial effect as follows: the utility model discloses a buffering installed part effectively prevents that pressure sensor inner structure from causing the damage because of rocking, the vibration-resistant, shock-resistant, effectively reduce the inside temperature of pressure sensor through the heating panel, pressure sensor's heat dispersion has been improved, the too high influence measuring result of inside temperature has been avoided, high efficiency and high accuracy advantage have been realized, the inside lining that special fluorine dragon material was made, the inside lining can the long-term contact medium that awaits measuring, be difficult to corrode, adopt the corrosion resistance that special fluorine dragon material can obviously improve the inside lining, and then improve overall structure's life, further improved the measuring precision, the operation is stable for a long time.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a high-precision small pressure sensor according to an embodiment of the present invention;
fig. 2 is an external view of a high-precision small pressure sensor according to an embodiment of the present invention.
In the figure:
1. a housing; 2. a high temperature resistant display screen; 3. a wire; 4. a heat dissipation plate; 5. heat dissipation holes; 6. installing an inner cavity; 7. a liner; 8. a pressure detection device; 9. a cushioning mount; 10. a ceramic core; 11. a pressure sensing plate; 12. a display lamp; 15. fixing the bolt; 16. installing a clamping groove; 17. connecting rubber; 18. A connecting spring; 19. reinforcing ribs; 20. a probe.
Detailed Description
For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.
According to the utility model discloses an embodiment provides a small-size pressure sensor of high accuracy.
The first embodiment is as follows:
as shown in fig. 1-2, the high-precision small pressure sensor according to the embodiment of the present invention comprises a housing 1, a high temperature resistant display screen 2 is disposed in the middle of the front end of the housing 1, a conducting wire 3 is disposed on the upper end of the high temperature resistant display screen 2, a heat dissipation plate 4 is disposed on the upper end of the housing 1, a plurality of heat dissipation holes 5 are disposed at one end of the housing 1 close to the heat dissipation plate 4, a probe 20 is disposed at the bottom end of the housing 1, an installation cavity 6 is disposed inside the housing 1, an inner liner 7 connected to the inner wall of the housing 1 is disposed on the side edge of the installation cavity 6, a pressure detection device 8 is disposed in the middle of the inner liner 7, a buffer mounting member 9 is disposed in the middle of the installation cavity 6 and between the pressure detection device 8 and the inner liner 7, a ceramic core 10 fixedly connected to the inner, and a pressure sensing plate 11 is arranged in the middle of the upper end of the ceramic core body 10.
Example two:
as shown in fig. 1-2, a display lamp 12 is disposed at the front end of the housing 1 and at one side of the upper end of the high temperature resistant display screen 2. The heat dissipation plate 4 is composed of a heat conduction silica gel plate and a heat dissipation aluminum plate, the heat conduction silica gel plate is connected with the shell 1, and the heat dissipation aluminum plate is located above the heat conduction silica gel plate. The two ends of the heat dissipation plate 4 are connected with the shell 1 through fixing bolts 15.
As shown in fig. 1-2, an installation slot 16 is disposed at an end of the housing 1 away from the high temperature resistant display screen 2. Buffering installed part 9 is including the connection rubber 17 that is located pressure measurement device 8 both ends, casing 1 inner wall with be provided with a plurality of interlude between the pressure measurement device 8 connection rubber 17's coupling spring 18, connection rubber 17's inside is provided with a plurality of strengthening ribs 19. The material of the liner 7 is Teflon material.
For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.
In practical application, the high temperature resistant display screen 2 is used for displaying pressure parameters of the pressure detection device 8 and can be connected with control equipment through the lead 3, so that parameter detection of a plurality of pressure sensors is met, the buffer mounting part 9 between the pressure detection device 8 and the lining 7 effectively prevents the internal structure of the pressure sensor from being damaged due to shaking, vibration resistance and impact resistance under the connection of the connection rubber 17, the connection spring 18 and the reinforcing ribs 19, the measurement precision is further improved, the service life is prolonged, the operation is stable for a long time, the toughness of the connection rubber 17 and the connectivity of the connection rubber 17 and the connection spring 18 are effectively improved by the reinforcing ribs 19, the buffer performance of the connection rubber 17 and the connection spring 18 on the pressure detection device 8 is further improved, the lining 7 made of Teflon material can be in long-term contact with a medium to be detected, and is not easy to corrode, adopt the corrosion resistance that the special fluorine dragon material can obviously improve the inside lining, and then improve overall structure's life, and heat conduction silica gel board and heat dissipation aluminum plate in heating panel 4 dispel the heat under the connection of louvre 5, heat conduction silica gel board is sealed to louvre 5 under fixing bolt 15's fastening, avoid steam, the entering such as dust, dispel the heat simultaneously under heat conduction silica gel board and heat dissipation aluminum plate, effectively reduce the inside temperature of pressure sensor, pressure sensor's heat dispersion has been improved, the too high influence measuring result of inside temperature has been avoided, the advantage of high efficiency and high accuracy has been realized.
To sum up, with the help of the utility model discloses an above-mentioned technical scheme, effectively prevent through buffering installed part 9 that pressure sensor inner structure from causing the damage because of rocking, vibration-resistant, shock-resistant, effectively reduce the inside temperature of pressure sensor through heating panel 4, pressure sensor's heat dispersion has been improved, the too high influence measuring result of inside temperature has been avoided, the advantage of high efficiency and high accuracy has been realized, inside lining 7 that the special fluorine dragon material was made, inside lining 7 can the long-term contact medium that awaits measuring, be difficult to corrode, adopt the corrosion resistance that the special fluorine dragon material can obviously improve the inside lining, and then improve overall structure's life, further improved measuring precision, the operation is stable for a long time.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The high-precision small-sized pressure sensor is characterized by comprising a shell (1), wherein a high-temperature resistant display screen (2) is arranged in the middle of the front end of the shell (1), a lead (3) is arranged at the upper end of the high-temperature resistant display screen (2), a heat dissipation plate (4) is arranged at the upper end of the shell (1), a plurality of heat dissipation holes (5) are formed in one end, close to the heat dissipation plate (4), of the shell (1), a probe (20) is arranged at the bottom end of the shell (1), an installation inner cavity (6) is arranged inside the shell (1), a lining (7) connected with the inner wall of the shell (1) is arranged on the side edge of the installation inner cavity (6), a pressure detection device (8) is arranged in the middle of the lining (7), a buffer mounting piece (9) is arranged in the middle of the installation inner cavity (6) and between the pressure detection device, the upper end of the pressure detection device (8) is provided with a ceramic core body (10) fixedly connected with the lining (7), and the middle part of the upper end of the ceramic core body (10) is provided with a pressure sensing plate (11).
2. A high precision small size pressure sensor according to claim 1, characterized in that the display lamp (12) is arranged at the front end of the shell (1) and at the side of the upper end of the high temperature resistant display screen (2).
3. A high precision small size pressure sensor according to claim 1, characterized in that the heat dissipation plate (4) is composed of a heat conductive silicone plate and a heat dissipation aluminum plate, the heat conductive silicone plate is connected with the casing (1), the heat dissipation aluminum plate is located above the heat conductive silicone plate.
4. A high accuracy small size pressure sensor according to claim 1, characterized in that, the two ends of said heat sink (4) and said shell (1) are connected by fixing bolt (15).
5. A high precision small size pressure sensor according to claim 1, characterized in that the end of the casing (1) far away from the high temperature resistant display screen (2) is provided with a mounting slot (16).
6. A high precision small size pressure sensor according to claim 1, wherein said buffer mounting member (9) comprises a connection rubber (17) at both ends of the pressure detecting device (8), a plurality of connection springs (18) inserted in said connection rubber (17) are arranged between the inner wall of said housing (1) and said pressure detecting device (8), and a plurality of reinforcing ribs (19) are arranged inside said connection rubber (17).
7. A high precision small scale pressure sensor according to claim 1, characterized in that the material of the liner (7) is teflon material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921917371.0U CN211401532U (en) | 2019-11-07 | 2019-11-07 | High-precision small-sized pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921917371.0U CN211401532U (en) | 2019-11-07 | 2019-11-07 | High-precision small-sized pressure sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211401532U true CN211401532U (en) | 2020-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921917371.0U Expired - Fee Related CN211401532U (en) | 2019-11-07 | 2019-11-07 | High-precision small-sized pressure sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211401532U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112611505A (en) * | 2020-12-30 | 2021-04-06 | 湖南启泰传感科技有限公司 | High-precision small dustproof pressure sensor with strong loading capacity |
-
2019
- 2019-11-07 CN CN201921917371.0U patent/CN211401532U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112611505A (en) * | 2020-12-30 | 2021-04-06 | 湖南启泰传感科技有限公司 | High-precision small dustproof pressure sensor with strong loading capacity |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200901 Termination date: 20211107 |