CN208187616U - A kind of pressure-detecting device - Google Patents
A kind of pressure-detecting device Download PDFInfo
- Publication number
- CN208187616U CN208187616U CN201820834352.0U CN201820834352U CN208187616U CN 208187616 U CN208187616 U CN 208187616U CN 201820834352 U CN201820834352 U CN 201820834352U CN 208187616 U CN208187616 U CN 208187616U
- Authority
- CN
- China
- Prior art keywords
- pressure
- substrate
- detecting device
- ontology
- lid
- Prior art date
- 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.)
- Active
Links
- 239000000758 substrate Substances 0.000 claims abstract description 45
- 239000000084 colloidal system Substances 0.000 claims abstract description 23
- 238000005253 cladding Methods 0.000 claims abstract description 4
- 235000002991 Coptis groenlandica Nutrition 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 238000004026 adhesive bonding Methods 0.000 claims description 4
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 241000218202 Coptis Species 0.000 claims 2
- 239000000017 hydrogel Substances 0.000 claims 1
- 239000000377 silicon dioxide Substances 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 9
- 230000035945 sensitivity Effects 0.000 abstract description 5
- 235000013305 food Nutrition 0.000 description 8
- 238000010411 cooking Methods 0.000 description 7
- 244000247747 Coptis groenlandica Species 0.000 description 6
- 238000009530 blood pressure measurement Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Landscapes
- Cookers (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The utility model discloses a kind of pressure-detecting device, it is related to sensor technical field, including substrate, forms the shell of cavity with the substrate, the pressure sense die being fixed on the substrate in the cavity, and the colloid of the cladding pressure sense die in the cavity；The shell includes fixed ontology in conjunction with substrate, and positioned at ontology far from described substrate one end, is spirally connected fixed lid with ontology；The lid includes roof and from ceiling edge to the side wall extended close to ontology direction, and there are gaps between the roof medial surface and the colloid；The lid further includes the ventilating groove for having outer surface in perforation lid.The pressure-detecting device can be used for pressure cooker detection pot inner pressure, to solve the problems, such as that the sensitivity of conventional pressure pot pressure-detecting device is low in the prior art, accuracy is poor.
Description
Technical field
The utility model relates to sensor technical fields.More particularly, to a kind of pressure-detecting device.
Background technique
The theory of high pressure culinary art meets the fast pace life mode of modern society, and electric pressure cooking saucepan becomes welcome daily
Cooking ware.Electric pressure cooking saucepan needs to set different pressure according to different food materials, to reach optimal culinary art effect.It is main at present
The scheme of the pressure cooker detection pressure of stream is to calculate pot inner pressure, program institute according to gas-dynamic equation using temperature sensor
The pressure precision of measuring and calculating is low, and error is big, food materials can not be made to reach optimized cooking state, and then influence food mouthfeel.
Accordingly, it is desirable to provide a kind of high-precision pressure cooker pressure-detecting device.
Utility model content
One purpose of the utility model is to be to provide a kind of pressure-detecting device, can be applied in pressure cooker detection pot
Pressure, to solve the problems, such as that the sensitivity of conventional pressure pot pressure-detecting device is low in the prior art, accuracy is poor.
In order to achieve the above objectives, the utility model adopts the following technical solutions:
A kind of pressure-detecting device, including substrate form the shell of cavity, consolidating in the cavity with the substrate
Pressure sense die on the substrate, and the colloid of the cladding pressure sense die in the cavity；
The shell includes fixed ontology in conjunction with substrate, and positioned at ontology far from described substrate one end, with
Ontology is spirally connected fixed lid；The lid includes roof and from ceiling edge to the side wall extended close to ontology direction,
There are gaps between the roof medial surface and the colloid；
The lid further include have perforation lid in outer surface ventilating groove, by the ventilating groove, the gap with
Hull outside connection.
Preferably, the pressure sense die includes the pressure ASIC being fixed on the substrate, and is fixed on described
The MEMS sensor chip far from the substrate side of pressure ASIC.
Preferably, it is communicated to connect between the MEMS sensor chip and the pressure ASIC by gold thread；The pressure
It is communicated to connect between ASIC and the substrate by gold thread.
Preferably, the ontology includes fixed fixed part in conjunction with the substrate, and by fixed part far from described
The outer diameter that one side surface of substrate extends to form vertically to the direction far from substrate is less than the interconnecting piece of the fixed part outer diameter；Institute
Interconnecting piece outer side surface is stated equipped with the first screw thread；
The lid roof and side wall are formed with the cavity for interconnecting piece insertion；Include on the inside sidewalls face
With the second screw thread of the first screw thread corresponding matching.
Preferably, the ventilating groove is formed on the lid roof, and the ventilating groove is through lateral surface in the roof.
Preferably, the ventilating groove includes the part for being through to the second screw thread along side wall by lid roof lateral surface.
Preferably, the ventilating groove is in cross-shaped configuration.
Preferably, it is formed with circular table between the outer surface of the interconnecting piece and the outer surface of the fixed part,
The circular table is equipped with gasket.
Preferably, it is fixed by gluing between the ontology and the substrate and between gasket and the ontology.
Preferably, the colloid is food-grade silica gel；It is bonded between the ontology inner surface and the colloid solid
It is fixed；The material of the shell is food-grade epoxy resin.
The beneficial effects of the utility model are as follows:
1, using air pressure in pressure-detecting device test voltage power pot pot provided by the utility model, sensitivity and accurate
Degree is high, and fast response time is not in delay phenomenon, and the controller in pressure cooker can adjust in time pressure according to pressure measurements
The cooking status of power pot, makes food mouthfeel reach optimum state.
2, pressure-detecting device provided by the utility model selects the etch-proof harmless raw material of waterproof and oilproof to be made, and guarantees
The long-time stability and safety of pressure measurement；
3, pressure-detecting device provided by the utility model had not only been reserved the pressure sensing passageway of pressure sensor, but also can avoid
Influence of the swill to Pressure Sensor Precision.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is simply introduced.It is understood that the accompanying drawings in the following description is only some realities of the invention
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 shows the Longitudinal cross section schematic of pressure-detecting device in an embodiment of the present invention.
Fig. 2 shows the scheme of installation of pressure-detecting device in an embodiment of the present invention.
Fig. 3 shows the schematic top plan view of Fig. 2.
Description of symbols: 1, substrate；2, ontology；21, fixed part；22, interconnecting piece；221, the first screw thread；3, lid；
31, cavity；32, the second screw thread；33, ventilating groove；4, colloid；5, gasket；61, MEMS sensor chip；62, pressure ASIC；
63, gold thread；7, pot cover inner cover plate.
Specific embodiment
In order to illustrate more clearly of the utility model, the utility model is done into one below with reference to preferred embodiments and drawings
The explanation of step.Similar component is indicated in attached drawing with identical appended drawing reference.It will be appreciated by those skilled in the art that below
Specifically described content is illustrative and be not restrictive, and should not be limited the protection scope of the present invention.
Currently, the scheme of the pressure cooker detection pressure of mainstream is using temperature sensor according to gas-dynamic in the prior art
Equation calculates pot inner pressure, and the pot inner pressure precision that the program is calculated is low, and error is big, food materials can not be made to reach optimized cooking
State, and then influence food mouthfeel.
At least one of in view of the above problems, the utility model provides a kind of pressure-detecting device, the pressure-detecting device
It is used directly for the accurate detection of pressure cooker pot inner pressure, to solve conventional pressure pot pressure-detecting device spirit in the prior art
The problem that sensitivity is low, accuracy is poor.
Specifically, it is described in detail with reference to the accompanying drawing.
Fig. 1 shows the Longitudinal cross section schematic of pressure-detecting device in an embodiment of the present invention；It is practical new that Fig. 2 shows this
The scheme of installation of pressure-detecting device in one embodiment of type；Fig. 3 shows the schematic top plan view of Fig. 2.
Referring to Fig.1 shown in-Fig. 3, which includes substrate 1, and the shell of cavity 31 is formed with the substrate 1,
The pressure sense die being fixed on the substrate 1 in the cavity 31, and the cladding in the cavity 31
The colloid 4 of the pressure sense die；The pressure-detecting device is worn by the matching relationship between shell and pot cover inner cover plate 7
In pot cover inner cover plate 7.
The shell includes the ontology 2 that fixation is combined with substrate 1, and positioned at ontology 2 far from described 1 one end of substrate
, the lid 3 for being spirally connected fixed with ontology 2；The lid 3 includes roof and extends from ceiling edge to close to 2 direction of ontology
Side wall out, there are gaps between the roof medial surface and the colloid 4；
The lid 3 further includes the ventilating groove 33 for having outer surface in perforation lid 3, described by the ventilating groove 33
Gap is connected to hull outside.
The pressure-detecting device of the utility model fixes colloid 4 in cavity 31, and the air pressure inside pressure cooker becomes
When change, colloid 4 is transferred to by the ventilating groove 33 on lid 3, deformation occurs and amount of pressure is transferred to pressure detecting core for colloid 4
Piece, pressure sense die export corresponding electric signal, realize the function of pressure perception measurement.The utility model utilizes colloid 4
Air pressure change in pot is transferred on pressure sense die by deformation, is avoided pressure sense die and is directly contacted with extraneous, delays
The damage caused by pressure sense die of the foreign matters such as ambient pressure, steam, food debris has been solved, the pressure-detecting device is improved
Reliability, improve the precision of pressure detecting.
On the one hand the utility model can fully ensure that the outside of gap and shell by opening up ventilating groove 33 in lid 3
Timely and effective measurement atmospheric pressure value is convenient in connection；On the other hand big foreign matter can be effectively reduced to enter, reduce pressure sense die pair
The susceptibility of foreign matter also has waterproof efficacy to a certain extent.All electric signals are coated by shell and colloid 4, have been reached very
High waterproofing grade further improves the detection accuracy of pressure-detecting device.In addition, ontology 2 described in the utility model and pressure
It is bonded and fixes between power detection chip and colloid 4, on the one hand can reduce small product size, be conducive to product to miniaturization；
On the other hand, the structural strength that the pressure-detecting device can be improved prevents the damage of outer bound pair pressure sense die.
In the utility model specific embodiment, the pressure sense die includes being fixed on the substrate 1
Pressure ASIC 62 (specific integrated circuit), and it is fixed on the MEMS far from 1 side of substrate of the pressure ASIC 62
Sensor (MEMS) chip.Further, pass through gold between the MEMS sensor chip 61 and the pressure ASIC 62
Line 63 communicates to connect；It is communicated to connect between the pressure ASIC 62 and the substrate 1 by gold thread 63.Amount of pressure in pot passes through
4 deformation of colloid is transferred to MEMS sensor chip 61, and pressure signal is converted into electric signal by MEMS sensor chip 61, and is passed through
Gold thread 63 is transferred to pressure ASIC 62, and pressure ASIC 62 handles electric signal, then passes through gold thread 63 again and substrate 1 will
Pressure measurements are exported to pressure cooker control system.
In the utility model, the shell includes more specific structure, i.e., the ontology 2 of the described shell includes and the substrate
1 combines fixed fixed part 21, and from the side surface far from the substrate 1 of fixed part 21 to the direction far from substrate 1
The outer diameter extended to form vertically is less than the interconnecting piece 22 of 21 outer diameter of fixed part；22 outer side surface of interconnecting piece is equipped with the
One screw thread 221；3 roof of lid and side wall are formed with the cavity 3131 for the interconnecting piece 22 insertion；The inside sidewalls
It include the second screw thread 32 with 221 corresponding matching of the first screw thread on face.By the ontology 2 being screwed together and 3 common groups of lid
At for protecting the shell of pressure sense die, the shell of this structure type be convenient for carrying out the pressure-detecting device installation and
Disassembly, is conducive to ordinary maintenance and maintenance.
When shell is the above-mentioned structure comprising lid 3 and ontology 2, the ventilating groove 33 is formed in 3 roof of lid
On, and the ventilating groove 33 is through lateral surface in the roof.This structure not only can guarantee the transitivity of air pressure, but also can be in shell
Pressure sense die play protective action.Certainly, those skilled in the art can also according to actual needs set ventilating groove 33
Counting into includes the part for being through to the second screw thread 32 along side wall by 3 roof lateral surface of lid, further increases air pressure transmitting
Efficiency.Originally it is being preferably carried out in mode, the ventilating groove 33 is designed as cross-shaped configuration, and not only appearance looks elegant, is also convenient for
Lid 3 and ontology 2 are tightened using common tool, the stable type of enhancing structure.It is understood that the shape of ventilating groove 33 is simultaneously
Be not limited to it is cross, can also be "-" type, rice font or other irregular shapes etc., the utility model does not limit this
System, those skilled in the art can be designed according to the actual situation.
In the present embodiment, it is formed between the outer surface of the interconnecting piece 22 and the outer surface of the fixed part 21
There is circular table, the circular table is equipped with gasket 5；Between the ontology 2 and the substrate 1 and gasket 5 and institute
It states and is fixed by gluing between ontology 2.The mode that the setting of gasket 5 and gluing are fixed, is for guaranteeing the pressure
The leakproofness of detection device prevents the problem of the inaccuracy of pressure detecting caused by pressure leakages.
The material of the shell, substrate 1, colloid 4 is not limited specifically in the utility model above embodiment,
Those skilled in the art can select according to the actual situation.For example, glue material of the colloid 4 using lower modulus, it can
Think food-grade silica gel, is bonded fixation between 2 inner surface of ontology and the colloid 4, it is slow to be effectively prevented pressure
Stagnant bring influences；The substrate 11 can be pcb board；The material of the shell is food-grade epoxy resin, guarantees the pressure
The safety and fastness of detection device.
Pressure-detecting device provided by the utility model is at low cost, and structure is simple.Electricity is tested using the pressure-detecting device
Air pressure in pressure cooker, sensitivity and accuracy are high, fast response time, and cooking food mouthfeel is good.
Obviously, the above embodiments of the present invention is merely examples for clearly illustrating the present invention, and
It is not limitations of the embodiments of the present invention, for those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways, all embodiments can not be exhaustive here,
It is all to belong to obvious changes or variations that the technical solution of the utility model is extended out still in the utility model
The column of protection scope.
Claims (10)
1. a kind of pressure-detecting device, which is characterized in that including substrate, form the shell of cavity with the substrate, be located at described
The pressure sense die being fixed on the substrate in cavity, and the cladding pressure detecting core in the cavity
The colloid of piece；
The shell includes fixed ontology in conjunction with substrate, and positioned at separate described substrate one end of ontology, with ontology
Be spirally connected fixed lid；The lid includes roof and from ceiling edge to the side wall extended close to ontology direction, described
There are gaps between roof medial surface and the colloid；
The lid further includes the ventilating groove for having outer surface in perforation lid, by the ventilating groove, the gap and shell
Outside connection.
2. a kind of pressure-detecting device according to claim 1, which is characterized in that the pressure sense die includes fixing
In the pressure ASIC on the substrate, and it is fixed on the MEMS sensor core far from the substrate side of the pressure ASIC
Piece.
3. a kind of pressure-detecting device according to claim 2, which is characterized in that the MEMS sensor chip with it is described
It is communicated to connect between pressure ASIC by gold thread；It is communicated to connect between the pressure ASIC and the substrate by gold thread.
4. a kind of pressure-detecting device according to claim 1, which is characterized in that
The ontology includes fixed fixed part in conjunction with the substrate, and by the side table far from the substrate of fixed part
It is less than the interconnecting piece of the fixed part outer diameter away from the outer diameter that the direction of substrate extends to form vertically；On the outside of the interconnecting piece
Wall surface is equipped with the first screw thread；
The lid roof and side wall are formed with the cavity for interconnecting piece insertion；Include on the inside sidewalls face and the
Second screw thread of one screw thread corresponding matching.
5. a kind of pressure-detecting device according to claim 4, which is characterized in that the ventilating groove is formed in the lid
On roof, and the ventilating groove is through lateral surface in the roof.
6. a kind of pressure-detecting device according to claim 5, which is characterized in that the ventilating groove includes by lid top
Wall lateral surface is through to the part at the second screw thread along side wall.
7. a kind of pressure-detecting device according to claim 1, which is characterized in that the ventilating groove is in cross-shaped configuration.
8. a kind of pressure-detecting device according to claim 4, which is characterized in that the outer surface of the interconnecting piece and institute
It states and is formed with circular table between the outer surface of fixed part, the circular table is equipped with gasket.
9. a kind of pressure-detecting device according to claim 8, which is characterized in that between the ontology and the substrate with
And it is fixed by gluing between gasket and the ontology.
10. a kind of pressure-detecting device according to claim 1, which is characterized in that the colloid is food-grade Silica hydrogel
Body；Fixation is bonded between the ontology inner surface and the colloid；The material of the shell is food-grade epoxy resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820834352.0U CN208187616U (en) | 2018-05-31 | 2018-05-31 | A kind of pressure-detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820834352.0U CN208187616U (en) | 2018-05-31 | 2018-05-31 | A kind of pressure-detecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208187616U true CN208187616U (en) | 2018-12-04 |
Family
ID=64428793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820834352.0U Active CN208187616U (en) | 2018-05-31 | 2018-05-31 | A kind of pressure-detecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208187616U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111473893A (en) * | 2019-01-24 | 2020-07-31 | 中光电智能感测股份有限公司 | Force sensor |
| US11506549B2 (en) | 2019-01-24 | 2022-11-22 | Coretronic Mems Corporation | Force sensor |
-
2018
- 2018-05-31 CN CN201820834352.0U patent/CN208187616U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111473893A (en) * | 2019-01-24 | 2020-07-31 | 中光电智能感测股份有限公司 | Force sensor |
| CN111473893B (en) * | 2019-01-24 | 2022-03-29 | 中光电智能感测股份有限公司 | Force sensor |
| US11506549B2 (en) | 2019-01-24 | 2022-11-22 | Coretronic Mems Corporation | Force sensor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208187616U (en) | A kind of pressure-detecting device | |
| CN104165857B (en) | High-sensitivity multi-parameter explosion-proof type infrared gas sensor | |
| CN109723710A (en) | A kind of intelligent wireless bolt of real-time monitoring pretightning force | |
| CN105973525A (en) | High-reliability piezoresistive pressure sensor | |
| CN110608779A (en) | Low-power consumption ultrasonic water meter design realized based on resistance strain gauge | |
| CN217818918U (en) | Digital water level sensor with cavity design and double pressure measurement | |
| CN110514333A (en) | A kind of shaft type torque sensor | |
| CN104873176A (en) | Novel electric thermometer | |
| CN202166491U (en) | Sensor mounting structure and pressure sensor employing the mounting structure | |
| CN208026402U (en) | Miniature draw-press type sensor | |
| CN210426692U (en) | NB-IOT intelligent wireless liquid level transmitter | |
| CN210689760U (en) | Digital pressure sensor for measuring liquid level | |
| CN108444618A (en) | A kind of novel high-frequency pressure sensor and its packaging method | |
| CN205120198U (en) | Liquid level sensor | |
| CN104515641B (en) | Pressure sensor and pressure cooking appliance for pressure cooking appliance | |
| CN105973507A (en) | Miniaturization piezoresistive pressure sensor | |
| CN206291984U (en) | Force cell | |
| CN216925732U (en) | Magnetostrictive liquid level instrument for synchronously detecting pressure | |
| CN217304235U (en) | Flat-film pressure sensor with gas collection cavity for measuring dynamic air injection pressure | |
| CN110707655A (en) | Cable joint voltage-sharing cover | |
| CN204600441U (en) | A kind of Novel electronic thermometer | |
| CN110646058A (en) | Digital pressure sensor for measuring liquid level and working method thereof | |
| CN221173542U (en) | Vacuum plastic package type water purifier pressure transmitter | |
| CN110398274A (en) | A kind of NB-IOT intelligent radio fluid level transmitter | |
| CN216524530U (en) | Micro-touch force sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200612 Address after: 266104 room 103, 396 Songling Road, Laoshan District, Qingdao, Shandong Province Patentee after: Goer Microelectronics Co.,Ltd. Address before: 266100 Qingdao, Laoshan District, North House Street investment service center room, Room 308, Shandong Patentee before: GOERTEK TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right |