CN206019907U - A kind of current mode pressure sensor - Google Patents
A kind of current mode pressure sensor Download PDFInfo
- Publication number
- CN206019907U CN206019907U CN201620847881.5U CN201620847881U CN206019907U CN 206019907 U CN206019907 U CN 206019907U CN 201620847881 U CN201620847881 U CN 201620847881U CN 206019907 U CN206019907 U CN 206019907U
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- CN
- China
- Prior art keywords
- pressure
- connection ring
- pressure sensor
- current mode
- ceramic diaphragm
- 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.)
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Abstract
The utility model is related to a kind of current mode pressure sensor, including pressure interface component and pressure transmission component, wherein pressure sensor module includes a connection ring, ceramic diaphragm is fixed with connection ring, thick-film resistor is printed with the back of ceramic diaphragm, plug connector shell is fixed with connection ring, and the plug connector with the conducting of aforementioned thick-film resistor is installed in plug connector inside the shell；Pressure transmission component includes a pressure interface being connected with aforementioned connection ring, is provided with a relief hole in pressure interface, is provided with an embedding groove in the middle part of connection ring, and ceramic diaphragm is embedded in aforesaid embedding groove；Pressure transmission component includes a group cyclization, is tightly connected between the inwall and the outer wall of connection ring of organizing cyclization；Pressure interface is fixed in group cyclization, is tightly connected between the edge of the edge of ceramic diaphragm relief hole corresponding with pressure interface.
Description
Technical field
The utility model is related to a kind of current mode pressure sensor, is related to a kind of for the pressure controlled electronics of convertible frequency air-conditioner
Pressure to current exports type controller.
Background technology
The many refrigeration industries of development in order to adapt to refrigeration industry all employ converter technique, in order to solve converter technique needs
Controller is protected using electronic signal formula pressure, this pressure sensor by the mechanical signal of pressure be transformed into voltage or electric current this
The electronic signal of sample, electronic signal pass to electronic equipment, and then in Computer display pressure value.But existing electron pressure is passed
Sensor is voltage-type pressure sensor, and the signal of voltage can progressively be decayed with circuit, electric current then will not, therefore current mode pressure
Force controller is more stable accurate voltage-type.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, there is provided a kind of compact conformation, flexible for installation, for becoming
The electron pressure electric current o controller that frequency air conditioning pressure is adjusted.
The utility model solves the technical scheme adopted by its technical problem：
A kind of current mode pressure sensor, including pressure interface component and pressure transmission component, wherein pressure sensor module
Including a connection ring, ceramic diaphragm is fixed with connection ring, is printed with thick-film resistor at the back of ceramic diaphragm, in connection
Plug connector shell is fixed with ring, and the plug connector with the conducting of aforementioned thick-film resistor is installed in plug connector inside the shell；The pressure
Transmitting assembly includes a pressure interface being connected with aforementioned connection ring, is provided with a relief hole in the pressure interface,
An embedding groove is provided with the middle part of the connection ring, and the ceramic diaphragm is embedded in aforesaid embedding groove；The pressure is passed
Passing component includes a group cyclization, is tightly connected between the inwall of described group of cyclization and the outer wall of connection ring；The pressure interface
It is fixed in group cyclization, is tightly connected between the edge of the edge of ceramic diaphragm relief hole corresponding with pressure interface.
As further improvement of the utility model, set between the inside of the pressure interface and the front of ceramic diaphragm
It is equipped with the first sealing ring.
As further improvement of the utility model, between the inwall of described group of cyclization and the outer wall of connection ring, is provided with
Two sealing rings.
Used as further improvement of the utility model, the pressure interface is pipe screw thread snap joint made in Great Britain or copper pipe welding
Formula structure.
As further improvement of the utility model, described by the output signal of thick-film resistor by PVC lines and grafting
Part connects.
The beneficial effects of the utility model are：
After using above-mentioned technical proposal, erosion-resisting ceramic pressure sensor does not have the transmission of liquid, pressure direct effect
In the front surface of ceramic diaphragm, diaphragm is made to produce small deformation, thick-film resistor is printed on the back side of ceramic diaphragm, connects into one
Individual Wheatstone bridge（Close bridge）, due to the piezoresistive effect of piezo-resistance, electric bridge can be made to produce a height being directly proportional to the pressure
This voltage signal is being converted into current signal by conversion by the voltage signal being linearly also directly proportional to driving voltage.Pottery
It is the material of a kind of generally acknowledged high resiliency, anticorrosive, wear-resistant, shock resistance and vibration.The thermal stability property of pottery and its thickness
Film resistance can make up to -40～135 DEG C of its operating temperature range, and the high accuracy with measurement, high stability.Pressure
Power interface is using pipe screw thread snap joint made in Great Britain or copper pipe welded structure, easy to use, flexible for installation, without the need for special installation
Fixed.
Description of the drawings
With reference to the accompanying drawings and examples the utility model is further illustrated.
Cross section structure diagrams of the Fig. 1 for the utility model electronic pressure controller.
Specific embodiment
The utility model is described in further detail presently in connection with accompanying drawing.These accompanying drawings are simplified schematic diagram,
Basic structure of the present utility model is only described in a schematic way, therefore which only shows the composition relevant with the utility model.
As shown in figure 1, the utility model is a kind of current mode pressure sensor, pass including 1 component of pressure interface and pressure
Component is passed, wherein pressure sensor module includes a connection ring, is fixed with ceramic diaphragm 6, in ceramic diaphragm 6 in connection ring
Back is printed with thick-film resistor, is fixed with connector housings 3 in connection ring, is provided with and aforementioned thickness in connector housings 3
The plug connector 2 of film resistance conducting, described is connected with plug connector 2 by PVC lines 4 by the output signal of thick-film resistor；The pressure
Force transfer unit includes a pressure interface 1 being connected with aforementioned connection ring, in the pressure interface 1 is provided with a pressure release
Hole, is provided with an embedding groove in the middle part of the connection ring, and the ceramic diaphragm 6 is embedded in aforesaid embedding groove；The pressure
Force transfer unit includes a group cyclization, passes through first sealing ring between the inwall of described group of cyclization and the outer wall of connection ring
It is tightly connected；The pressure interface 1 is fixed in group cyclization, the edge of the ceramic diaphragm 6 and 1 corresponding relief hole of pressure interface
Edge between be tightly connected by second sealing ring 7；The pressure interface 1 is pipe screw thread snap joint made in Great Britain or copper pipe
Welded structure.
Operation principle of the present utility model is as follows：Shell is connected with pressure system, and pressure acts directly on ceramic diaphragm 6
Front surface, makes diaphragm produce small deformation, and thick-film resistor is printed on the back side of ceramic diaphragm 6, connects into a favour stone electricity
Bridge（Close bridge）, due to the piezoresistive effect of piezo-resistance, make electric bridge produce a highly linear being directly proportional to the pressure and excitation electricity
This voltage signal is being converted into current signal by conversion by the voltage signal that pressure is also directly proportional.
With above-mentioned according to desirable embodiment of the present utility model as enlightenment, by above-mentioned description, related work people
Member can carry out various change and modification completely in the range of without departing from this utility model technological thought.This reality
The content being not limited to new technical scope on specification, it is necessary to determine its technology according to right
Property scope.
Claims (5)
1. a kind of current mode pressure sensor, including pressure interface component and pressure transmission component, wherein pressure sensor module bag
A connection ring is included, ceramic diaphragm is fixed with connection ring, be printed with thick-film resistor at the back of ceramic diaphragm, in connection ring
On be fixed with plug connector shell, plug connector inside the shell be provided with aforementioned thick-film resistor conducting plug connector；The pressure is passed
Passing component includes a pressure interface being connected with aforementioned connection ring, is provided with a relief hole in the pressure interface, its
It is characterized in that：An embedding groove is provided with the middle part of the connection ring, and the ceramic diaphragm is embedded in aforesaid embedding groove；Described
Pressure transmission component includes a group cyclization, is tightly connected between the inwall of described group of cyclization and the outer wall of connection ring；The pressure
Power interface is fixed in group cyclization, and sealing between the edge of the edge of ceramic diaphragm relief hole corresponding with pressure interface connects
Connect.
2. a kind of current mode pressure sensor as claimed in claim 1, is characterized in that：In the inside of the pressure interface and pottery
The first sealing ring is provided between the front of porcelain diaphragm.
3. a kind of current mode pressure sensor as claimed in claim 1, is characterized in that：The inwall of described group of cyclization and connection ring
Outer wall between be provided with the second sealing ring.
4. a kind of current mode pressure sensor as described in right will go 1, is characterized in that：The pressure interface is pipe screw thread made in Great Britain
Snap joint or copper pipe welded structure.
5. a kind of current mode pressure sensor as claimed in claim 1, is characterized in that：The output letter by thick-film resistor
Number it is connected with plug connector by PVC lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620847881.5U CN206019907U (en) | 2016-08-08 | 2016-08-08 | A kind of current mode pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620847881.5U CN206019907U (en) | 2016-08-08 | 2016-08-08 | A kind of current mode pressure sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206019907U true CN206019907U (en) | 2017-03-15 |
Family
ID=58247586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620847881.5U Active CN206019907U (en) | 2016-08-08 | 2016-08-08 | A kind of current mode pressure sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206019907U (en) |
-
2016
- 2016-08-08 CN CN201620847881.5U patent/CN206019907U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |