CN208420256U - Baroceptor - Google Patents
Baroceptor Download PDFInfo
- Publication number
- CN208420256U CN208420256U CN201820836223.5U CN201820836223U CN208420256U CN 208420256 U CN208420256 U CN 208420256U CN 201820836223 U CN201820836223 U CN 201820836223U CN 208420256 U CN208420256 U CN 208420256U
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- China
- Prior art keywords
- substrate
- circuit board
- sealing cover
- diaphragm
- resistance
- 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.)
- Expired - Fee Related
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- Measuring Fluid Pressure (AREA)
Abstract
The utility model discloses baroceptors, including sensor outer housing, shell includes substrate and sealing cover, substrate is equipped with the pin of lead, housings are equipped with and support the air chamber formed by substrate of glass, air chamber is equipped with the through-hole being communicated with the atmosphere on sealing cover, diaphragm is arranged below in air chamber, diaphragm is equipped with resistance, resistance is connect by conducting wire with circuit board, circuit board is located in envelope substrate, circuit board is connect by conducting wire with the pin in substrate in substrate, LED display is additionally provided in envelope substrate, power circuit is equipped with inside substrate, LED display is electrically connected with circuit board and power circuit.Baroceptor uses stainless steel component, and included LED display, detection signal is exported simultaneously, each structure is tightly connected, and sensor is made to have high sensitivity, performance stabilization and good impact resistance, simultaneously, shell capping uses sealing cover and screw connection, so that structure is detachable, it is convenient to overhaul.
Description
Technical field
The utility model relates to a kind of sensors, particularly relate to a kind of baroceptor.
Background technique
Existing baroceptor structure has generally comprised plastic frame and air pressure sensor chip, using plastic frame as
The carrier of air pressure sensor chip, then air pressure sensor chip is fixed with glue, when air pressure sensing to air pressure sensor chip
When, the film generation type on air pressure sensor chip becomes, and resistance value above changes immediately, output voltage signal is carried out,
But the air pressure sensor chip of plastic frame encapsulation is caused because plastic material is different with the material of baroceptor chip material
At different temperature because caused by the difference expanded with heat and contract with cold air pressure sensor chip output error it is bigger, influence baroceptor
The precision of detection, the baroceptor application environment for encapsulating plastic frame compare limitation, simultaneously as plastic frame encapsulation
Baroceptor cannot be dismantled, and go wrong usually integral replacing, it has not been convenient to overhaul.
Utility model content
The purpose of this utility model is to provide baroceptors, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides the following technical solutions: baroceptor, including sensor outer housing,
The shell includes substrate and sealing cover, and the substrate is equipped with the pin of lead, and the housings are equipped with by substrate of glass
The air chamber formed is supported, the air chamber is equipped with the through-hole being communicated with the atmosphere on sealing cover, and the air chamber is arranged below
Diaphragm, the diaphragm are equipped with resistance, and the resistance is connect by conducting wire with circuit board, and the circuit board is located at envelope substrate
On, circuit board is connect by conducting wire with the pin in substrate in substrate, and LED display, base are additionally provided in the envelope substrate
Power circuit is equipped with inside bottom, the LED display is electrically connected with circuit board and power circuit.
Improved as one of which, the shell sealing cover and sensor outer housing by screw connection, the sealing cover with
Gasket is equipped between sensor outer housing.
It is improved as one of which, sealing leather collar is equipped between the sealing cover and through-hole.
It is improved as one of which, the diaphragm is silicon diaphragm, and silicon diaphragm is equipped with resistance R1, R2, R3, R4, the electricity
Resistance and circuit board electrical connection.
It is improved as one of which, the silicon diaphragm and substrate of glass are in sealing contact, and the contact jaw of the silicon diaphragm is in
"Ji" type, contact end are equipped with the round expansion-head of elasticity, and the mounting groove of corresponding position is " I "-shape in the substrate of glass.
It is improved as one of which, is additionally provided with V/F conversion chip, single-chip microcontroller on the circuit board, they and power circuit
And LED display communicates with one another.
It is improved as one of which, the sensor outer housing, shell sealing cover and envelope substrate are stainless steel.
Compared with prior art, the utility model has the beneficial effects that the utility model is compared with prior art, air pressure transmission
Sensor uses stainless steel component, and included LED display, while exporting detection signal, and the inside uses silicon diaphragm, air pressure sensing
Device is tightly connected in addition to atmosphere connects through-hole, so that sensor has high sensitivity, performance stabilization and good shock resistance
Ability, meanwhile, shell capping uses sealing cover and screw connection, so that structure is detachable, it is convenient to overhaul.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of baroceptor；
Fig. 2 is baroceptor silicon diaphragm and substrate of glass installation end structural schematic diagram；
Fig. 3 is the structural schematic diagram of baroceptor circuit；
Fig. 4 is the distribution schematic diagram of silicon fiml sheet resistance；
In figure: 1. shells；2. substrate；3. sealing cover；4. lead；5. pin；6. substrate of glass；7. air chamber；8. through-hole；
9. diaphragm；10. resistance；11. conducting wire；12. circuit board；13.LED display screen；14. screw；15. gasket；16. sealing leather collar；
17. expansion-head.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
As shown in Figure 1 and Figure 4, baroceptor, including sensor outer housing 1, the shell 1 include substrate 2 and sealing cover
3, the substrate 2 is equipped with the pin 5 of lead 4, is equipped with inside the shell 1 and supports the air chamber 7 formed by substrate of glass 6,
The air chamber 7 is equipped with the through-hole 8 being communicated with the atmosphere on sealing cover 3, and diaphragm 9, the diaphragm is arranged below in the air chamber 7
9 are equipped with resistance 10, and the resistance 10 is connect by conducting wire 11 with circuit board 12, and the circuit board 12 is located in envelope substrate 2,
Circuit board 12 is connect by conducting wire with the pin 5 in substrate in substrate 2, is additionally provided with LED display in the envelope substrate 2
13, power circuit is equipped with inside substrate 2, the LED display 13 is electrically connected with circuit board 12 and power circuit.
Above-mentioned, shell sealing cover 3 is connect with sensor outer housing 1 by screw 14, the sealing cover 3 and sensor outer housing 1
Between be equipped with gasket 15.
It is above-mentioned, sealing leather collar 16 is equipped between sealing cover 3 and through-hole 8.
Above-mentioned, diaphragm is silicon diaphragm, and silicon diaphragm is equipped with resistance R1, R2, R3, R4, the resistance and circuit board electrical connection.
Above-mentioned, silicon diaphragm is in sealing contact with substrate of glass, and the contact jaw of the silicon diaphragm is in "Ji" type, and contact end is set
Flexible circular expander head 17, the mounting groove of corresponding position is " I "-shape in the substrate of glass.
It is above-mentioned, V/F conversion chip, single-chip microcontroller are additionally provided on circuit board, they are mutual with power circuit and LED display
Connection.
Above-mentioned, the sensor outer housing, shell sealing cover and envelope substrate are stainless steel.
The working principle of the utility model is: being equipped with silicon diaphragm in baroceptor air chamber, resistance which is provided with, it is extraneous
Air pressure air chamber is entered by through-hole, when acting on silicon diaphragm, silicon diaphragm generate deformation, become the resistance value of resistance
Change, electric bridge disequilibrium, output voltage reacts the pressure size that silicon diaphragm is born, and the signal of variation is transferred on circuit board, V/F
Pressure signal is converted to frequency signal output by conversion chip, is transported to single-chip microcontroller, and single-chip microcontroller is handled by microdata by signal
It is shown on LED display.
Compared with prior art, baroceptor uses stainless steel component, and included LED display to the utility model,
Detection signal is exported simultaneously, and the inside uses silicon diaphragm, and baroceptor is tightly connected in addition to atmosphere connects through-hole, so that passing
Sensor has high sensitivity, performance stabilization and good impact resistance, meanwhile, shell capping uses sealing cover and screw
Connection, so that structure is detachable, it is convenient to overhaul.
The preferred embodiment of the patent is described in detail above, but this patent is not limited to above-mentioned embodiment party
Formula within the knowledge of one of ordinary skill in the art can also be under the premise of not departing from this patent objective
It makes a variety of changes.
Claims (7)
1. baroceptor, it is characterised in that: including sensor outer housing, the shell includes substrate and sealing cover, the substrate
It is equipped with the pin of lead, the housings are equipped with and support the air chamber formed by substrate of glass, and the air chamber is sealing
The through-hole for being equipped with and being communicated with the atmosphere is covered, diaphragm is arranged below in the air chamber, and the diaphragm is equipped with resistance, and the resistance is logical
It crosses conducting wire to connect with circuit board, the circuit board is located in envelope substrate, and circuit board is in substrate by conducting wire and substrate
Pin connects, and LED display is additionally provided in the envelope substrate, power circuit, the LED display and electricity are equipped with inside substrate
Road plate and power circuit electrical connection.
2. baroceptor according to claim 1, which is characterized in that shell sealing cover and sensor outer housing pass through screw
Connection is equipped with gasket between the sealing cover and sensor outer housing.
3. baroceptor according to claim 2, which is characterized in that be equipped with sealing skin between the sealing cover and through-hole
Circle.
4. baroceptor according to claim 3, which is characterized in that the diaphragm is silicon diaphragm, and silicon diaphragm is equipped with
Resistance R1, R2, R3, R4, the resistance and circuit board electrical connection.
5. baroceptor according to claim 4, which is characterized in that the silicon diaphragm and substrate of glass are in sealing contact,
The contact jaw of the silicon diaphragm is in "Ji" type, and contact end is equipped with the round expansion-head of elasticity, corresponds to portion in the substrate of glass
The mounting groove of position is " I "-shape.
6. baroceptor according to claim 5, which is characterized in that be additionally provided on the circuit board V/F conversion chip,
Single-chip microcontroller, they communicate with one another with power circuit and LED display.
7. baroceptor according to claim 1-6, which is characterized in that sensor outer housing, shell sealing cover
And envelope substrate is stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820836223.5U CN208420256U (en) | 2018-05-31 | 2018-05-31 | Baroceptor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820836223.5U CN208420256U (en) | 2018-05-31 | 2018-05-31 | Baroceptor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208420256U true CN208420256U (en) | 2019-01-22 |
Family
ID=65113101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820836223.5U Expired - Fee Related CN208420256U (en) | 2018-05-31 | 2018-05-31 | Baroceptor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208420256U (en) |
-
2018
- 2018-05-31 CN CN201820836223.5U patent/CN208420256U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20190122 Termination date: 20200531 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |