CN205449377U - Atmospheric pressure sensor - Google Patents
Atmospheric pressure sensor Download PDFInfo
- Publication number
- CN205449377U CN205449377U CN201620009254.4U CN201620009254U CN205449377U CN 205449377 U CN205449377 U CN 205449377U CN 201620009254 U CN201620009254 U CN 201620009254U CN 205449377 U CN205449377 U CN 205449377U
- Authority
- CN
- China
- Prior art keywords
- circuit plate
- connector
- shell
- control circuit
- baroceptor
- 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
Links
- 230000006698 induction Effects 0.000 claims abstract description 3
- 238000007789 sealing Methods 0.000 claims description 8
- 239000004593 Epoxy Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 239000000565 sealant Substances 0.000 claims description 3
- 230000003064 anti-oxidating effect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 2
- 238000009530 blood pressure measurement Methods 0.000 abstract 1
- 230000003750 conditioning effect Effects 0.000 abstract 1
- 210000004907 gland Anatomy 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Measuring Fluid Pressure (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The utility model discloses an atmospheric pressure sensor, including shell, control circuit board, riveting circle, connector, wiring board, connector and signal line. The utility model discloses to be done all can by the pressure measurement and transmit control circuit board's forced induction circuit through guide pressure hole on the shell, and convert the signal of telecommunication into, the process signal conditioning exported by output connector, the utility model discloses simple structure, simple to operate, seal are good, waterproof anti -oxidation.
Description
Technical field
This utility model relates to a kind of sensor, is specifically related to a kind of baroceptor for motor vehicles.
Background technology
Sensor is a kind of detection device, measured signal can be experienced, and signal detection can experienced, it is for conversion into the information output of the signal of telecommunication or other desired forms according to certain rules, to meet the transmission of information, to process, store, show, record and the requirement such as control.Sensor is the primary link realizing automatically detecting and automatically controlling.At present, existing automobile air inlet pressure sensor mainly includes housing, gland, wiring board and pressure core, pressure core is typically welding in the circuit board, then in wiring board is screwed in housing, by screw, gland being also secured on housing realization sealing the most again, trouble is not only assembled in the design of such structure, assembling rear stability poor, there is also between gland and housing simultaneously cannot be waterproof defect.Meanwhile, existing automobile air inlet pressure sensor supply voltage is generally 4.75V ~ 5.25V, it is difficult to meets unstable vehicle power and uses, and unstable supply voltage easily causes the damage of sensor.
Summary of the invention
Technical problem to be solved in the utility model is the defect existed for prior art, it is provided that a kind of easy to assembly/stability preferably and has the automobile baroceptor of good water resistance concurrently.
For solving this technical problem, this utility model provides a kind of baroceptor, including housing, control circuit plate, riveting ring, connector, patch panel, adapter and holding wire, the sensing of described cell pressure uses pressure sensitive chip, and pressure sensitive chip is welded on the back side of control circuit plate；Described housing central section is provided with inner chamber, is provided with boss bottom it, and this boss is internal is pressure guide hole, and outside is helicitic texture, is provided with seal groove, arranges sealing ring in seal groove bottom housing cavity；The backside pressure induction chip of described control circuit plate is towards pressure guide hole, control circuit plate is riveted by riveting ring, utilize the dimensional fits between riveting ring and shell inner cavity to be pressed on bottom shell inner cavity by control circuit plate, bottom control circuit plate and shell inner cavity, form airtight pressure sensitive cavity by sealing ring；Described riveting ring top has four anti-rotation grooves, and connector is arranged at the anti-rotation groove of riveting ring and rivets with closing in shell；Described connector radially has the mounting groove of O, and connector passes through O seal sensor inside cavity after being installed on shell；The signal pin of connector is connected with patch panel pad, and external signal line is connected with patch panel pad, it is achieved the good connection between signal pin and holding wire.
This utility model also includes protection circuit plate; in sensor cavity body, three holding wire sides are welded on the pad of control circuit plate; side is welded on the pad of protection circuit plate; protection circuit plate is welded on the signal pin of connector bottom side by via pad, and described protection circuit plate is provided with anti-electromagnetic interference circuit and reactance voltage impulse disturbances circuit.
Described protection circuit plate and control circuit plate use soft holding wire to connect.
Embedding is carried out by epoxy pouring sealant at the signal pin of described connector and patch panel.
The front of described control circuit plate is for be provided with mu balanced circuit, and the power supply voltage range of mu balanced circuit is 4.75V-50V.
Described housing, riveting ring are metalwork, and connector is working of plastics；Fix for riveting between described connector and shell.
Beneficial effect: this utility model will be delivered to the pressure sensitive circuit of control circuit plate by measuring pressure by pressure guide hole on shell, be converted to the signal of telecommunication, export by out connector through signal condition, this utility model simple in construction, easy for installation, good leak tightness, waterproof anti-oxidation.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation sectional view.
In figure: 1 adapter, 2 holding wires, 3 patch panels, 4 connectors, 5 protection circuit plates, 6O type circle, 7 riveting rings, 8 control circuit plates, 9 sealing rings, 10 shells, 11 pressure guide holes.
Detailed description of the invention
Below in conjunction with the accompanying drawings and this utility model is specifically described by embodiment.
Fig. 1 show this utility model structural representation sectional view.
This utility model includes housing 10, control circuit plate 8, riveting ring 7, connector 4, patch panel 3, adapter 1 and holding wire 2.
Being provided with inner chamber in the middle part of described housing 10, be provided with boss bottom it, this boss is internal is pressure guide hole 11, and outside is helicitic texture, is provided with seal groove at housing 10 intracavity bottom, arranges sealing ring 9 in seal groove.
The sensing of described cell pressure uses pressure sensitive chip, and pressure sensitive chip is welded on the back side of control circuit plate 8.
The back side of described control circuit plate 8 be provided with pressure sensitive chip facing to pressure guide hole 11, control circuit plate 8 rivets one-shot forming by riveting ring 7, utilize the dimensional fits between riveting ring 7 and shell 10 inner chamber that control circuit plate 8 is pressed on shell 10 intracavity bottom, control circuit plate 8 and shell 10 intracavity bottom and form airtight pressure sensitive cavity by sealing ring 9 stress deformation.
This utility model also includes protection circuit plate 5; in sensor cavity body, three holding wire sides are welded on the pad of control circuit plate 8; side is welded on the pad of protection circuit plate 5, and protection circuit plate 5 is welded on the signal pin of connector 4 bottom side by via pad.
Described riveting ring 7 top has four anti-rotation grooves, and connector 4 is arranged at the anti-rotation groove of riveting ring 7 and rivets with closing in shell 10, and connector 4 crimp at riveting ring 7 anti-rotation groove prevents connector 4 from rotating.
Described connector 4 bottom radially has the mounting groove of O 6, and O 6 is arranged in connector 4 mounting groove, and connector 4 is sealed in baroceptor cavity by O 6 after being installed on shell 10.
The holding wire of described connector 4 is drawn through patch panel 3 and transfers, and the signal pin of connector 4 is connected with patch panel 3 pad, and external signal line 2 is connected with patch panel 3 pad, it is achieved the good connection between signal pin and holding wire 2.
Described protection circuit plate 5 is provided with anti-electromagnetic interference circuit and reactance voltage impulse disturbances circuit.
Carry out embedding by epoxy pouring sealant at the signal pin of described connector 4 and patch panel 3, well play waterproof, moistureproof, anti-oxidation effect.
Described protection circuit plate 5 and control circuit plate 8 use soft holding wire to connect, it is to avoid vibration causes sensor failure.
The front of described control circuit plate 8 is for be provided with mu balanced circuit, and mu balanced circuit improves power supply input circuit, makes power supply voltage range rise to 4.75V-50V.
Described housing 10, riveting ring 7 are metalwork, and connector 4 is working of plastics；Fix for riveting between described connector 4 and shell 10, one-shot forming.
This utility model will be delivered to the pressure sensitive circuit of control circuit plate 8 by measuring pressure by pressure guide hole 11 on shell 10, be converted to the signal of telecommunication, export by out connector 1 through signal condition, this utility model simple in construction, easy for installation, good leak tightness, waterproof anti-oxidation.
This utility model the embodiment above, is merely illustrative, and is not only, and all changes in the range of this utility model or in the range of equivalent this utility model are all surrounded by this utility model.
Claims (6)
1. a baroceptor, it is characterized in that: include shell (10), control circuit plate (8), riveting ring (7), connector (4), patch panel (3), adapter (1) and holding wire (2), the sensing of described cell pressure uses pressure sensitive chip, and pressure sensitive chip is welded on the back side of control circuit plate (8)；Described shell (10) middle part is provided with inner chamber, is provided with boss bottom it, and the inside of this boss is pressure guide hole (11), and outside is helicitic texture, is provided with seal groove at shell (10) intracavity bottom, arranges sealing ring (9) in seal groove；The backside pressure induction chip of described control circuit plate (8) is towards pressure guide hole (11), control circuit plate (8) is riveted by riveting ring (7), utilize the dimensional fits between riveting ring (7) and shell (10) inner chamber that control circuit plate (8) is pressed on shell (10) intracavity bottom, control circuit plate (8) and shell 10 intracavity bottom and form airtight pressure sensitive cavity by sealing ring (9)；Described riveting ring (7) top has four anti-rotation grooves, and connector (4) is arranged at the anti-rotation groove of riveting ring (7) and rivets with closing in shell (10)；Described connector (4) radially has the mounting groove of O (6), and connector (4) is installed on shell (10) afterwards by O (6) seal sensor inside cavity；The signal pin of connector (4) is connected with patch panel (3) pad, and external signal line (2) is connected with patch panel (3) pad, it is achieved the good connection between signal pin and holding wire (2).
Baroceptor the most according to claim 1; it is characterized in that: also include protection circuit plate (5); in sensor cavity body, three holding wire sides are welded on the pad of control circuit plate (8); side is welded on the pad of protection circuit plate (5); protection circuit plate (5) is welded on the signal pin of connector (4) bottom side by via pad, and described protection circuit plate (5) is provided with anti-electromagnetic interference circuit and reactance voltage impulse disturbances circuit.
Baroceptor the most according to claim 2, it is characterised in that: described protection circuit plate (5) and control circuit plate (8) use soft holding wire to connect.
Baroceptor the most according to claim 1, it is characterised in that: signal pin and patch panel (3) place of described connector (4) carry out embedding by epoxy pouring sealant.
Baroceptor the most according to claim 1, it is characterised in that: the front of described control circuit plate (8) is for be provided with mu balanced circuit, and the power supply voltage range of mu balanced circuit is 4.75V-50V.
6. according to the baroceptor described in any one of claim 1-5, it is characterised in that: described shell (10), riveting ring (7) they are metalwork, and connector (4) is working of plastics；Fix for riveting between described connector (4) and shell (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620009254.4U CN205449377U (en) | 2016-01-06 | 2016-01-06 | Atmospheric pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620009254.4U CN205449377U (en) | 2016-01-06 | 2016-01-06 | Atmospheric pressure sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205449377U true CN205449377U (en) | 2016-08-10 |
Family
ID=56601297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620009254.4U Expired - Fee Related CN205449377U (en) | 2016-01-06 | 2016-01-06 | Atmospheric pressure sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205449377U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108731852A (en) * | 2018-08-13 | 2018-11-02 | 常州盛士达传感器有限公司 | A kind of capacitance pressure transducer, |
| CN109058082A (en) * | 2018-10-08 | 2018-12-21 | 陈宏玉 | A kind of pump-up device and its control method based on the device |
| CN110595681A (en) * | 2019-10-18 | 2019-12-20 | 南京新力感电子科技有限公司 | Sensor |
| CN111307365A (en) * | 2020-03-24 | 2020-06-19 | 东莞市迈沃科技发展有限公司 | Pressure sensor |
| CN113125057A (en) * | 2021-04-23 | 2021-07-16 | 武汉飞恩微电子有限公司 | Sputtering film pressure core body assembly, pressure sensor and packaging method |
-
2016
- 2016-01-06 CN CN201620009254.4U patent/CN205449377U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108731852A (en) * | 2018-08-13 | 2018-11-02 | 常州盛士达传感器有限公司 | A kind of capacitance pressure transducer, |
| CN109058082A (en) * | 2018-10-08 | 2018-12-21 | 陈宏玉 | A kind of pump-up device and its control method based on the device |
| CN110595681A (en) * | 2019-10-18 | 2019-12-20 | 南京新力感电子科技有限公司 | Sensor |
| CN111307365A (en) * | 2020-03-24 | 2020-06-19 | 东莞市迈沃科技发展有限公司 | Pressure sensor |
| CN113125057A (en) * | 2021-04-23 | 2021-07-16 | 武汉飞恩微电子有限公司 | Sputtering film pressure core body assembly, pressure sensor and packaging method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160810 |