CN209230840U - A kind of novel NPN type pressure sensor of high safety reliability - Google Patents
A kind of novel NPN type pressure sensor of high safety reliability Download PDFInfo
- Publication number
- CN209230840U CN209230840U CN201920121778.6U CN201920121778U CN209230840U CN 209230840 U CN209230840 U CN 209230840U CN 201920121778 U CN201920121778 U CN 201920121778U CN 209230840 U CN209230840 U CN 209230840U
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- sensor
- machine body
- host machine
- column
- pressure
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Abstract
The utility model provides a kind of novel NPN type pressure sensor of high safety reliability, imports column including sensor host machine body, the cable connection column being connected with the sensor host machine body top of supply line and the pressure being connected with the sensor host machine body bottom part；Control circuit board is internally provided with, for sensing the data storage for importing the resistance strain gage of column pressure size situation from pressure and for being stored to data information in the sensor host machine body；The sensor host machine body front is additionally provided with signal display and several control buttons for carrying out pressure information real-time exhibition；The resistance strain gage, data storage, signal display and control button and control circuit board are electrically connected, in actual application, signal display and several control button structures can preferably improve the humanization level that product uses, and convenient for control, and using effect is prominent.
Description
[technical field]
The utility model relates to pressure sensor product technical field, more particularly to it is a kind of reasonable in design, use effect
The novel NPN type pressure sensor of fruit high safety reliability outstanding.
[background technique]
Pressure sensor is a kind of sensor the most commonly used in industrial practice, is widely used in various industrial automatic control rings
Border, be related to water conservancy and hydropower, railway traffic, intelligent building, production automatic control, aerospace, military project, petrochemical industry, oil well, electric power, ship,
Numerous industries such as lathe, pipeline.
Main piezoelectric material to be used includes quartz, sodium potassium tartrate tetrahydrate and phosphoric acid dihydro amine in piezoelectric transducer.Wherein
Quartzy (silica) is a kind of mineral crystal, and piezoelectric effect is found in this crystal, in certain temperature range
Within, after piezoelectric properties always exist, but temperature is more than this range, piezoelectric properties completely disappear that (this high temperature is exactly institute
Meaning " curie point "), due to stress changing electric field change small (that is to say, piezoelectric modulus is relatively low), so quartz by
Gradually substituted by other piezo-electric crystals, and sodium potassium tartrate tetrahydrate has very big piezoelectric susceptibility and piezoelectric modulus, but it is only
It can be applied under the lower environment of room temperature and humidity ratio, phosphoric acid dihydro amine belongs to artificial crystal, and relative density 1.80 melts
190 DEG C of point, is able to bear high temperature and quite high humidity, stable in the air, the solubility of (20 DEG C) in water is under room temperature
37.4g is slightly soluble in ethyl alcohol, does not dissolve in acetone, is widely applied, is also employed in present piezoelectric effect more so having been obtained
On crystal, such as present piezoelectric ceramics, including barium titanate piezoelectric ceramics, PZT, niobate system piezoelectric ceramics, lead magnesio-niobate pressure
Electroceramics etc..
Current pressure sensor, there is also biggish shortcoming, needs to change in specific reliability and degree of safety part
Into and improve, those skilled in the art start with from the specific configuration part of sensor to innovate, and achieves preferable achievement.
[utility model content]
To overcome the problems of prior art, the utility model provides a kind of reasonable in design, and using effect is prominent
The novel NPN type pressure sensor of high safety reliability out.
The scheme that the utility model solves technical problem is to provide a kind of novel NPN type pressure sensing of high safety reliability
Device, including sensor host machine body, the cable connection column being connected with the sensor host machine body top of supply line and with the biography
The pressure that sensor main body bottom part is connected imports column；The sensor host machine body be internally provided with control circuit board,
For sensing the number for importing the resistance strain gage of column pressure size situation from pressure and for being stored to data information
According to memory；If the sensor host machine body front be additionally provided with signal display for carrying out pressure information real-time exhibition and
Dry control button；The resistance strain gage, data storage, signal display and control button and control circuit board are electrical
Connection；Cable connection column side is connected with to be connect for the cable link and cable with external equipment progress connection
Head；And column is imported in the pressure and is connected with pressure sensitive head relative to the other end end position of sensor host machine body；It is described
The sensing hole being connected with internal pressure transmission channel is offered in pressure sensitive head.
Preferably, the cable connector is metal explosion-proof waterproof connector；And it is arranged in the cable connector outer annular
Metal coating ring.
Preferably, patch is provided with EPCOS sensor chip and for mobile eventually with outside in the control circuit board
End carries out the bluetooth module of communication connection.
Preferably, the sensing hole is the impulse mouth that size is 3mm.
Preferably, the cable connector is Hirschmann connector lug.
Preferably, it includes first importing column and to import column with described first coaxially connected that the pressure, which imports column, and can
With the second importing column that is mutually flexible, changing pressure sensitive head extension elongation；The second importing column is contained in the first importing column
In.
Preferably, the connecting portion of the cable connection column and sensor host machine body is provided with rotary plate.
Preferably, sensor host machine body front is additionally provided with multiple signal lamps.
Compared with prior art, a kind of novel NPN type pressure sensor of high safety reliability of the utility model is by simultaneously
Be arranged sensor host machine body 13, the cable connection column 14 being connected with 13 top of supply line of sensor host machine body and with it is described
The pressure that 13 bottom part of sensor host machine body is connected imports column 11, and control circuit is arranged inside sensor host machine body 13
Plate imports the resistance strain gage of 11 pressure size situation of column from pressure and for storing to data information for sensing
Data storage, it is aobvious to be incorporated in the signal for carrying out pressure information real-time exhibition that 13 front of sensor host machine body also sets up
Display screen and several control button structures, in actual application, signal display and several control button structures can
Preferably to improve the humanization level that product uses, and it is convenient for control, using effect is prominent.
[Detailed description of the invention]
Fig. 1 and Fig. 2 is a kind of novel NPN type pressure sensor of high safety reliability of the utility model
[specific embodiment]
To make the purpose of this utility model, technical solution and advantage are more clearly understood, with reference to the accompanying drawings and embodiments,
The present invention will be further described in detail.It should be appreciated that specific embodiment described herein is used only for explaining this
Utility model is not used to limit this utility model.
Fig. 1 and Fig. 2 are please referred to, a kind of novel NPN type pressure sensor 1 of high safety reliability of the utility model includes sensing
Device main body 13, the cable connection column 14 being connected with 13 top of supply line of sensor host machine body and with the sensor master
The pressure that 13 bottom part of body is connected imports column 11；The sensor host machine body 13 be internally provided with control circuit board,
For sensing the resistance strain gage of column 11 pressure size situation is imported from pressure and for being stored to data information
Data storage；13 front of sensor host machine body be additionally provided with the signal display for carrying out pressure information real-time exhibition with
And several control buttons；The resistance strain gage, data storage, signal display and control button and control circuit board
It is electrically connected；14 side of cable connection column be connected with for external equipment carry out connection cable link 16 with
And cable connector 15；And column 11 is imported in the pressure and is connected with pressure relative to the other end end position of sensor host machine body 13
Power inductive head 12；The sensing hole being connected with internal pressure transmission channel is offered in the pressure sensitive head 12.
What the application passed through while sensor host machine body 13 is arranged, is connected with 13 top of supply line of sensor host machine body
Cable connection column 14 and the pressure being connected with 13 bottom part of sensor host machine body import column 11, and in sensor master
Inside body 13 be arranged control circuit board, for sense from pressure importing 11 pressure size situation of column resistance strain gage and
Data storage for being stored to data information, be incorporated in that 13 front of sensor host machine body also sets up for being pressed
The signal display of force information real-time exhibition and several control button structures, in actual application, signal display with
And several control button structures can preferably improve the humanization level that product uses, and convenient for control, using effect is prominent
Out.
Each functional component inside the application sensor host machine body 13 is arranged as the ordinary skill in the art, and the application
It is not related to the improvement of circuit connection, software, protection is pressure sensor overall construction, structure.
Preferably, the cable connector 15 is metal explosion-proof waterproof connector；And in the 15 outer annular set of cable connector
Equipped with metal coating ring.
Preferably, patch is provided with EPCOS sensor chip and for mobile eventually with outside in the control circuit board
End carries out the bluetooth module of communication connection.
Preferably, the sensing hole is the impulse mouth that size is 3mm.
Preferably, the cable connector 15 is Hirschmann connector lug.
Preferably, the pressure import column 11 include first import column and to import column with described first coaxially connected, and
Can mutually stretch, change pressure sensitive head extension elongation second import column；The second importing column is contained in the first importing
In column.
Preferably, the connecting portion of the cable connection column 14 and sensor host machine body 13 is provided with rotary plate.
Preferably, 13 front of sensor host machine body is additionally provided with multiple signal lamps.
Compared with prior art, a kind of novel NPN type pressure sensor 1 of high safety reliability of the utility model is by simultaneously
Be arranged sensor host machine body 13, the cable connection column 14 being connected with 13 top of supply line of sensor host machine body and with it is described
The pressure that 13 bottom part of sensor host machine body is connected imports column 11, and control circuit is arranged inside sensor host machine body 13
Plate imports the resistance strain gage of 11 pressure size situation of column from pressure and for storing to data information for sensing
Data storage, it is aobvious to be incorporated in the signal for carrying out pressure information real-time exhibition that 13 front of sensor host machine body also sets up
Display screen and several control button structures, in actual application, signal display and several control button structures can
Preferably to improve the humanization level that product uses, and it is convenient for control, using effect is prominent.
Above-described the utility model embodiment, does not constitute the restriction to scope of protection of the utility model.It is any
Modifications, equivalent substitutions and improvements made within spirit of the present utility model and principle etc., should be included in the utility model
Claims within.
Claims (8)
1. a kind of novel NPN type pressure sensor of high safety reliability, it is characterised in that: including sensor host machine body, with it is described
Cable connection column that sensor host machine body top of supply line is connected and it is connected with the sensor host machine body bottom part
Pressure imports column；Control circuit board is internally provided with, for sensing from pressure importing column pressure in the sensor host machine body
The resistance strain gage of size situation and data storage for being stored to data information；The sensor host machine body front
It is additionally provided with the signal display and several control buttons for carrying out pressure information real-time exhibition；The resistance-strain
Piece, data storage, signal display and control button and control circuit board are electrically connected；Cable connection column side connects
It is connected to the cable link and cable connector for carrying out connection with external equipment；And it is opposite in pressure importing column
Pressure sensitive head is connected in the other end end position of sensor host machine body；It offers in the pressure sensitive head and is pressed with internal
The sensing hole that power transmission channel is connected.
2. a kind of novel NPN type pressure sensor of high safety reliability as described in claim 1, it is characterised in that: the electricity
Cable joint is metal explosion-proof waterproof connector；And metal coating ring is arranged in the cable connector outer annular.
3. a kind of novel NPN type pressure sensor of high safety reliability as described in claim 1, it is characterised in that: the control
Patch is provided with EPCOS sensor chip and the bluetooth mould for carrying out communication connection with external mobile terminal on circuit board processed
Block.
4. the novel NPN type pressure sensing of a kind of high safety reliability as described in any one of claims 1 to 3 claim
Device, it is characterised in that: the sensing hole is the impulse mouth that size is 3mm.
5. a kind of novel NPN type pressure sensor of high safety reliability as described in claim 1, it is characterised in that: the electricity
Cable joint is Hirschmann connector lug.
6. a kind of novel NPN type pressure sensor of high safety reliability as described in claim 1, it is characterised in that: the pressure
Power importing column is coaxially connected including the first importing column and with the first importing column, and can mutually stretch, change feeling of stress
The second of an extension elongation is answered to import column；The second importing column is contained in the first importing column.
7. a kind of novel NPN type pressure sensor of high safety reliability as described in claim 1, it is characterised in that: the electricity
The connecting portion of cable binding post and sensor host machine body is provided with rotary plate.
8. a kind of novel NPN type pressure sensor of high safety reliability as described in claim 1, it is characterised in that: the biography
Sensor main body front is additionally provided with multiple signal lamps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920121778.6U CN209230840U (en) | 2019-01-24 | 2019-01-24 | A kind of novel NPN type pressure sensor of high safety reliability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920121778.6U CN209230840U (en) | 2019-01-24 | 2019-01-24 | A kind of novel NPN type pressure sensor of high safety reliability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209230840U true CN209230840U (en) | 2019-08-09 |
Family
ID=67510846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920121778.6U Expired - Fee Related CN209230840U (en) | 2019-01-24 | 2019-01-24 | A kind of novel NPN type pressure sensor of high safety reliability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209230840U (en) |
-
2019
- 2019-01-24 CN CN201920121778.6U patent/CN209230840U/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: 20190809 Termination date: 20210124 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |