CN214951490U - Temperature and pressure integrated pressure sensitive core - Google Patents
Temperature and pressure integrated pressure sensitive core Download PDFInfo
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- CN214951490U CN214951490U CN202120866584.6U CN202120866584U CN214951490U CN 214951490 U CN214951490 U CN 214951490U CN 202120866584 U CN202120866584 U CN 202120866584U CN 214951490 U CN214951490 U CN 214951490U
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Abstract
The utility model relates to the related technical field of pressure measuring equipment, in particular to a temperature and pressure integrated pressure sensitive core, wherein a diaphragm is fixedly arranged on the upper end surface of a sintering base; the upper end face of the diaphragm is fixedly provided with a pressure ring; a ceramic pad mounting cavity is formed in the upper surface of the sintering base; the ceramic pad is arranged in the ceramic pad installation cavity; a chip mounting groove is formed and machined in the bottom of the ceramic pad mounting cavity; the bottom of the ceramic pad mounting cavity is also provided with a sintered glass mounting hole in a penetrating way; the sintered glass is fixedly arranged in the sintered glass mounting hole; the upper end surface of the sintered glass is attached to the bottom surface of the ceramic pad; the lower end surface of the sintered glass is flush with the lower bottom surface of the sintering base; the upper surface of the ceramic pad is provided with a part mounting groove; lead grooves are formed in the upper surface of the ceramic pad at intervals in a penetrating manner; the utility model discloses can provide a temperature and pressure sensing integral type design, sensing structure installation stabilize and measure quick accurate integrative pressure sensitive core of warm pressure.
Description
Technical Field
The utility model belongs to the technical field of pressure measurement equipment is relevant, concretely relates to integrative pressure sensitive core is pressed to temperature.
Background
Temperature sensor and pressure sensor are two kinds of sensing equipment that use amount is great at present on the market, and they often can mix and use in same kind of scene, just so can come out through the effectual temperature and the pressure measurement with installing in the scene of temperature sensor and pressure sensor, and then just also can let operating personnel directly perceivedly can know temperature and pressure in the service environment simultaneously. Temperature sensors and pressure sensors in the industry are usually two independent components, and when the temperature and the pressure in the environment need to be measured simultaneously, the temperature sensors and the pressure sensors are usually installed at the same time, so that the operation is more troublesome, and more installation space is occupied.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a temperature and pressure sensing integral type design, sensing structure installation are firm and measure quick accurate integrative pressure sensitive core of warm-pressing.
In order to achieve the above object, the utility model provides a following technical scheme: a temperature and pressure integrated pressure sensitive core comprises a sintering base, wherein a diaphragm is fixedly arranged on the upper end face of the sintering base; the upper end face of the diaphragm is fixedly provided with a pressure ring; a ceramic pad mounting cavity is formed in the upper surface of the sintering base; a ceramic pad is arranged in the ceramic pad installation cavity; a chip mounting groove is formed in the bottom of the ceramic pad mounting cavity; the bottom of the ceramic pad mounting cavity is also provided with a sintered glass mounting hole in a penetrating way; the sintered glass is fixedly arranged in the sintered glass mounting hole; the upper end surface of the sintered glass is attached to the bottom surface of the ceramic pad; the lower end surface of the sintered glass is flush with the lower bottom surface of the sintering base; a part mounting groove is formed in the upper surface of the ceramic pad; lead grooves are formed in the upper surface of the ceramic pad at intervals in a penetrating manner; a temperature sensor is embedded and mounted at the right side inside the part mounting groove; a pressure sensing chip is embedded in the left side of the inside of the part mounting groove in a penetrating manner; a first lead, a second lead, a third lead and a fourth lead are sequentially led out and mounted from the inner part of the lead slot at the upper right end downwards clockwise; a fifth lead, a sixth lead, and a seventh lead; the first lead, the second lead, the third lead and the fourth lead; a fifth lead, a sixth lead, and a seventh lead all pass down through the sintered glass.
As a further improvement of the present invention, the temperature sensor is connected with the first lead and the second lead by using gold wires; the pressure sensing chip, the third lead and the fourth lead; the fifth lead, the sixth lead and the seventh lead are connected together by using gold wires.
As a further improvement of the utility model, the lower bottom surface of the sintering base is provided with an oil injection hole in a through way; and a sealing steel ball is arranged at the oil inlet end of the oil filling hole.
As a further improvement of the utility model, a gauge pressure pipe is vertically and fixedly arranged on the lower bottom surface of the sintering base; and the lower bottom surface of the chip mounting groove and the air outlet end of the pressure gauge pipe are communicated and provided with air inlet holes.
As a further improvement of the utility model, the lower bottom surface of the pressure sensing chip is tightly attached to the upper surface of the chip mounting groove.
As a further improvement of the utility model, the inside of part mounting groove is passed through the oil filler point is injected with silicon oil.
As a further improvement of the utility model, the lower bottom surface of the sintering base is filled with sealant.
Compared with the prior art, the beneficial effects of the utility model are that: according to the technical scheme, the diaphragm is arranged on the sintering base, the diaphragm not only can play a role in sealing, and prevents internal parts from being in direct contact with the outside, but also can quickly transmit the outside pressure to internal detection equipment; according to the technical scheme, the temperature sensor and the pressure sensing chip are arranged and mounted on the ceramic pad and the internal lead is arranged on the sintered glass in a penetrating manner, so that the relatively independent layout area can be realized, the interference isolation effect can be realized, the electric leakage is avoided, and the equipment is more accurate and safer to measure; according to the technical scheme, the sintering base is provided with the pressure gauge pipe and the air inlet hole, and external air can be effectively conveyed to the interior of the sintering base through the pressure gauge pipe and the air inlet hole; according to the technical scheme, the temperature sensor and the pressure sensing chip are simultaneously designed on the same sintering base, so that the temperature and the pressure in the installation environment can be simultaneously measured by the same equipment, the application range of the equipment can be effectively enlarged, the installation and use space is saved, and the beneficial technical effect that the manufacturing cost of the whole equipment can be reduced while the function of the equipment is diversified is achieved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the exploded structure of the present invention.
Fig. 3 is a schematic view of the internal structure of the ceramic pad of the present invention.
Fig. 4 is a schematic diagram of the internal structure of the sintering base according to the present invention.
In the figure: 1. sintering the base; 2. a membrane; 3. pressing a ring; 4. a ceramic pad mounting cavity; 5. a ceramic pad; 6. a chip mounting groove; 7. sintering the glass mounting hole; 8. sintering glass; 9. a part mounting groove; 10. a lead slot; 11. a temperature sensor; 12. a pressure sensing chip; 13. a first lead; 14. a second lead; 15. a third lead; 16. a fourth lead; 17. a fifth lead; 18. a sixth lead; 19. a seventh lead; 20. gold wire; 21. an oil filler hole; 22. sealing the steel ball; 23. a pressure pipe is pressed; 24. and (4) air inlet holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 4, the present invention provides a technical solution: a temperature and pressure integrated pressure sensitive core comprises a sintering base 1, wherein a diaphragm 2 is fixedly arranged on the upper end face of the sintering base 1; the upper end face of the diaphragm 2 is fixedly provided with a pressure ring 3; a ceramic pad mounting cavity 4 is formed on the upper surface of the sintering base 1; a ceramic pad 5 is arranged in the ceramic pad installation cavity 4; a chip mounting groove 6 is formed and processed at the bottom of the ceramic pad mounting cavity 4; a sintered glass mounting hole 7 is formed at the bottom of the ceramic pad mounting cavity 4 in a penetrating manner; the sintered glass 8 is fixedly arranged in the sintered glass mounting hole 7; the upper end surface of the sintered glass 8 is attached to the bottom surface of the ceramic pad 5; the lower end surface of the sintered glass 8 is flush with the lower bottom surface of the sintered base 1; the upper surface of the ceramic pad 5 is provided with a part mounting groove 9; lead grooves 10 are formed in the upper surface of the ceramic pad 5 at intervals in a penetrating manner; a temperature sensor 11 is embedded and installed at the right side inside the part installation groove 9; a pressure sensing chip 12 is embedded in the left side of the inside of the part mounting groove 9 in a penetrating manner; a first lead 13, a second lead 14, a third lead 15 and a fourth lead 16 are sequentially led out and mounted downwards from the inside of the lead slot 10 at the upper right end in a clockwise manner; a fifth lead 17, a sixth lead 18, and a seventh lead 19; a first lead 13, a second lead 14, a third lead 15, and a fourth lead 16; the fifth lead 17, the sixth lead 18 and the seventh lead 19 all pass through the sintered glass 8 downward; the temperature sensor 11 is connected with the first lead 13 and the second lead 14 by using a gold wire 20; the pressure sensing chip 12, a third lead 15 and a fourth lead 16; the fifth lead 17, the sixth lead 18 and the seventh lead 19 are connected together by using a gold wire; an oil injection hole 21 is formed in the lower bottom surface of the sintering base 1 in a penetrating mode; a sealing steel ball 22 is arranged at the oil inlet end of the oil filling hole 21; a pressure gauge pipe 23 is also vertically and fixedly installed on the lower bottom surface of the sintering base 1; an air inlet hole 24 is formed in the lower bottom surface of the chip mounting groove 6 and the air outlet end of the gauge pressure pipe 23 in a penetrating mode; the lower bottom surface of the pressure sensing chip 12 is tightly attached to the upper surface of the chip mounting groove 6; silicone oil is injected into the part mounting groove 9 through the oil injection hole 21; the lower bottom surface of the sintering base 1 is filled with sealant.
The utility model discloses a theory of operation and use flow: after the equipment is installed, silicone oil is injected into the part installation groove 9 through the oil injection hole 21, then the sealing steel ball 22 is covered, and then the bottom of the sintering base 1 is filled with sealant; when the equipment works, external pressure is transmitted to the internal pressure sensing chip 12 through the diaphragm 2 and internal silicone oil, and the pressure sensing chip 12 transmits a converted signal through the third lead 15 and the fourth lead 16; the fifth lead 17, the sixth lead 18 and the seventh lead 19 are transmitted to an externally connected device; the temperature sensor 11 transmits the converted temperature signal to the externally connected equipment through the first lead 13 and the second lead 14, so that simultaneous collection and collection of pressure and temperature parameters can be realized, the function diversification of the equipment is realized, and the structure is more compact.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement 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 utility model provides an integrative pressure sensitive core body of warm-pressing which characterized in that: the sintering device comprises a sintering base (1), wherein a diaphragm (2) is fixedly arranged on the upper end face of the sintering base (1); a compression ring (3) is fixedly arranged on the upper end face of the diaphragm (2); a ceramic pad mounting cavity (4) is formed in the upper surface of the sintering base (1); a ceramic pad (5) is arranged in the ceramic pad mounting cavity (4); a chip mounting groove (6) is formed in the bottom of the ceramic pad mounting cavity (4); the bottom of the ceramic pad mounting cavity (4) is also provided with a sintered glass mounting hole (7) in a penetrating way; the sintered glass (8) is fixedly arranged in the sintered glass mounting hole (7); the upper end surface of the sintered glass (8) is attached to the bottom surface of the ceramic pad (5); the lower end face of the sintered glass (8) is flush with the lower bottom surface of the sintered base (1); a part mounting groove (9) is formed in the upper surface of the ceramic pad (5); lead grooves (10) are formed in the upper surface of the ceramic pad (5) at intervals in a penetrating manner; a temperature sensor (11) is embedded and mounted in the right side of the inside of the part mounting groove (9); a pressure sensing chip (12) is embedded in the left side of the inside of the part mounting groove (9) in a penetrating manner; a first lead (13), a second lead (14), a third lead (15) and a fourth lead (16) are sequentially led out and mounted downwards clockwise from the inside of the lead slot (10) at the upper right end; a fifth lead (17), a sixth lead (18), and a seventh lead (19); the first lead (13), the second lead (14), the third lead (15), and the fourth lead (16); a fifth lead (17), a sixth lead (18) and a seventh lead (19) all pass through the sintered glass (8) downwards.
2. The temperature-pressure integrated pressure sensitive core body according to claim 1, wherein: the temperature sensor (11) is connected with the first lead (13) and the second lead (14) through a gold wire (20); the pressure sensing chip (12), the third lead (15) and the fourth lead (16); the fifth lead (17), the sixth lead (18) and the seventh lead (19) are connected together by using gold wires.
3. The temperature-pressure integrated pressure sensitive core body according to claim 1, wherein: an oil filling hole (21) is formed in the lower bottom surface of the sintering base (1) in a penetrating mode; and a sealing steel ball (22) is arranged at the oil inlet end of the oil filling hole (21).
4. The temperature-pressure integrated pressure sensitive core body according to claim 1, wherein: a pressure gauge pipe (23) is also vertically and fixedly installed on the lower bottom surface of the sintering base (1); an air inlet (24) is formed in the lower bottom surface of the chip mounting groove (6) and the air outlet end of the pressure gauge pipe (23) in a penetrating mode.
5. The temperature-pressure integrated pressure sensitive core body according to claim 1, wherein: the lower bottom surface of the pressure sensing chip (12) is tightly attached to the upper surface of the chip mounting groove (6).
6. The temperature-pressure integrated pressure sensitive core body according to claim 3, wherein: and silicone oil is injected into the part mounting groove (9) through the oil injection hole (21).
7. The temperature-pressure integrated pressure sensitive core body according to claim 1, wherein: and the lower bottom surface of the sintering base (1) is filled with a sealant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120866584.6U CN214951490U (en) | 2021-04-26 | 2021-04-26 | Temperature and pressure integrated pressure sensitive core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120866584.6U CN214951490U (en) | 2021-04-26 | 2021-04-26 | Temperature and pressure integrated pressure sensitive core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214951490U true CN214951490U (en) | 2021-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120866584.6U Active CN214951490U (en) | 2021-04-26 | 2021-04-26 | Temperature and pressure integrated pressure sensitive core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214951490U (en) |
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2021
- 2021-04-26 CN CN202120866584.6U patent/CN214951490U/en active Active
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