CN208818379U - A kind of pressure sensor - Google Patents
A kind of pressure sensor Download PDFInfo
- Publication number
- CN208818379U CN208818379U CN201821735625.2U CN201821735625U CN208818379U CN 208818379 U CN208818379 U CN 208818379U CN 201821735625 U CN201821735625 U CN 201821735625U CN 208818379 U CN208818379 U CN 208818379U
- Authority
- CN
- China
- Prior art keywords
- pressure
- base frame
- installing base
- lower case
- upper housing
- 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 relates to a kind of pressure sensors, including upper housing and lower case, pressure ring is equipped with inside the installation cavity that upper housing and lower case surround, pressure chip and installing base frame, pressure ring peace is threadedly coupled with upper housing and lower case, pressure ring top is equipped with pressing plate, installing base frame is mounted below pressing plate, two installing base frames are oppositely arranged, the inside of installing base frame is equipped with slot, conductive sheet is equipped in slot, conductive column is equipped with inside installing base frame, conductive column is fixedly mounted on the top of conductive sheet, the first conductive connection terminal is fixedly connected at the top of conductive column, pressure chip both ends are plugged in slot, the pin and conductive sheet of pressure chip are conductively connected；The end of cable tail is equipped with second and is conductively connected terminal.The utility model, which is electrically connected by second connection end on cable with the first connection terminal, obtains pressure detecting signal, improves the reliability of electrical connection, optimizes the overall performance of product, improves the service life of pressure sensor.
Description
Technical field
The utility model relates to a kind of pressure sensors.
Background technique
Pressure sensor is that the variation of pressure is converted into electric current output by pressure chip, and common pressure sensor has
Resistive pressure sensor and capacitance pressure transducer, pressure chip are installed in the housing, and one end of shell is connected with cable,
As described in Figure 1, existing pressure sensor, cable are connect by lead 41 ' with pressure chip 4 ', one end welding of lead 41 '
On the pin of pressure chip 4 ', but in use due to cable, it may be made at connecting interface by external force towing
It loosens, and then involves lead 41 ', lead 41 ' is caused to be torn with 4 ' poor contact of pressure chip or lead 41 ', therefore, electricity
Being reliably connected between cable and pressure chip is that existing pressure sensor needs an improved direction.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of secured and reliable pressure sensors of electrical connection.
In order to solve the above technical problems, the technical solution of the utility model is: a kind of pressure sensor, including upper housing and
Lower case, the top of the upper housing are equipped with cable connector, and the bottom end of the lower case is equipped with intercommunicating pore, and the upper housing is under
The installing base frame of pressure ring, pressure chip and the pressure chip is equipped with inside the installation cavity that shell surrounds, the pressure ring is mounted on
It the inside of the upper housing and lower case and is threadedly coupled with the upper housing and lower case, is set on the inner wall on the pressure ring top
There is the pressing plate extended inwardly, the installing base frame is mounted on inside the lower case below the pressing plate, and the pressing plate is pressed
It is pressed on the top surface of the installing base frame；The quantity of the installing base frame is two, and described two installing base frames are oppositely arranged, institute
The inside for stating installing base frame is equipped with slot, and conductive sheet is equipped in the slot, and conductive column is equipped with inside the installing base frame, described
Conductive column is fixedly mounted on the top of the conductive sheet, and the first conductive connection terminal is fixedly connected at the top of the conductive column,
The pressure chip both ends are plugged in the slot of the installing base frame, and the pin of the pressure chip is led with the conductive sheet
Electrical connection；Cable is fixedly installed on the cable connector, the cable includes a plurality of leads, and the end of the lead, which is equipped with, inserts
It connects second be conductively connected on terminal described first and is conductively connected terminal.
As a preferred technical solution, the lower section of the slot be equipped with seal groove, the bottom of the pressure chip with it is described
Felt pad is installed, the felt pad is bonded in the pressure chip bottom and the seal groove by marine glue between seal groove
It is interior.
Clamping pad is additionally provided between the pressing plate and the top surface of the installing base frame as a preferred technical solution,.
Limiting stand protruding upward, the installation are additionally provided on the bottom wall of the lower case as a preferred technical solution,
Pedestal bottom is equipped with annular groove compatible with the limiting stand, and the limiting stand accommodates in the annular groove.
First seal is equipped between the annular groove and the limiting stand as a preferred technical solution,.
It is additionally provided with connecting cross arm on the inside of the installing base frame as a preferred technical solution, described two installing base frames
Connecting cross arm is oppositely arranged, and described two connecting cross arms are detachably connected by way of clamping or grafting.
Second seal is equipped between the upper housing and the lower case as a preferred technical solution,.
The contact surface between the upper housing and the pressure ring, which is equipped with, as a preferred technical solution, prevents the pressure ring
The tooth socket of rotation.
By adopting the above-described technical solution, the beneficial effects of the utility model are: the utility model pacifies pressure chip
It in installing base frame, is electrically connected by the first connection terminal with the pin on pressure chip, passes through the second connection on cable
Terminal is electrically connected with the first connection terminal obtains pressure detecting signal, improves the electrical connection between cable and pressure chip
Reliability, and the overall performance of product is optimized, improve the service life of pressure sensor.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of pressure sensor in the prior art；
Fig. 2 is the structural schematic diagram of the utility model embodiment；
In figure: 4 '-pressure chips；41 '-leads；1- upper housing；2- lower case；21- intercommunicating pore；22- cable connector；23-
Limiting stand；3- pressure ring；31- pressing plate；4- pressure chip；41- lead；42- second is conductively connected terminal；5- installing base frame；51- is inserted
Slot；52- conductive sheet；53- conductive column；54- first is conductively connected terminal；55- seal groove；56- annular groove；57- connecting cross arm；
61- clamping pad；62- felt pad；63- first seal；64- second seal.
Specific embodiment
As shown in Fig. 2, a kind of pressure sensor, including upper housing 1 and lower case 2, the top of upper housing 1 connect equipped with cable
First 22, the bottom end of lower case 2 is equipped with intercommunicating pore 21, is equipped with pressure ring 3, pressure inside the installation cavity that upper housing 1 and lower case 2 surround
The installing base frame 5 of chip 4 and pressure chip 4, pressure ring 3 be mounted on the inside of upper housing 1 and lower case 2 and with upper housing 1 and under
Shell 2 is threadedly coupled, and the inner wall on 3 top of pressure ring is equipped with a pressing plate 31 extended inwardly, and installing base frame 5 is mounted on pressing plate
Inside the lower case 2 of 31 lower sections, pressing plate 31 is pressed on the top surface of installing base frame 5, between pressing plate 31 and the top surface of installing base frame 5
It is additionally provided with clamping pad 61, clamping pad 61 expires the gap filling between pressing plate 31 and installing base frame 5, sealing function can be played,
Installing base frame 5 can be firmly pressed in lower case 2 again.
The quantity of installing base frame 5 is two, and two installing base frames 5 are oppositely arranged, and it is horizontal that connection is additionally provided on the inside of installing base frame 5
The connecting cross arm 57 of arm 57, two installing base frames 5 is oppositely arranged, and two connecting cross arms 57 are removable by way of clamping or grafting
Connection is unloaded, connecting cross arm 57 is connected by way of grafting in Fig. 1.
The inside of installing base frame 5 is equipped with slot 51, and conductive sheet 52 is equipped in slot 51, is equipped with conduction inside installing base frame 5
Column 53, conductive column 53 are fixedly mounted on the top of conductive sheet 52, and the top of conductive column 53 is fixedly connected with the first conductive connection end
Son 54, in the slot 51 for being plugged on installing base frame 5 at 4 both ends of pressure chip, the pin and conductive sheet 52 of pressure chip 4 are conductive even
It connects.
It is fixedly installed with cable on cable connector 2, cable includes a plurality of leads 41, and the end of lead 41, which is equipped with, is plugged on the
One is conductively connected the second conductive connection terminal 42 on terminal 54.
The lower section of slot 51 is equipped with seal groove 55, is equipped with felt pad 62 between the bottom and seal groove 55 of pressure chip 4,
Felt pad 62 is bonded in 4 bottom of pressure chip and seal groove 55 by marine glue.
Limiting stand 23 protruding upward is additionally provided on the bottom wall of lower case 2,5 bottom of installing base frame is equipped with and 23 phase of limiting stand
The annular groove 56 of adaptation, limiting stand 23 accommodate in annular groove 56.
In order to improve sealing performance, first seal 63, upper housing 1 and lower casing are equipped between annular groove 56 and limiting stand 21
Second seal 64 is equipped between body 2.
Preferably, for convenient for assembling, the contact surface between upper housing 1 and pressure ring 3 is equipped with the tooth socket for preventing pressure ring 3 from rotating
(not shown).
The advantages of basic principles and main features and the utility model of the utility model have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (8)
1. the top of a kind of pressure sensor, including upper housing and lower case, the upper housing is equipped with cable connector, the lower casing
The bottom end of body is equipped with intercommunicating pore, it is characterised in that: pressure ring, pressure are equipped with inside the installation cavity that the upper housing and lower case surround
The installing base frame of chip and the pressure chip, the pressure ring be mounted on the inside of the upper housing and lower case and with it is described on
Shell and lower case are threadedly coupled, and the inner wall on the pressure ring top is equipped with a pressing plate extended inwardly, the installation base
Frame is mounted on inside the lower case below the pressing plate, and the platen presses are on the top surface of the installing base frame；The installation
The quantity of pedestal is two, and described two installing base frames are oppositely arranged, and the inside of the installing base frame is equipped with slot, the slot
It is interior to be equipped with conductive sheet, it is equipped with conductive column inside the installing base frame, the conductive column is fixedly mounted on the top of the conductive sheet,
The first conductive connection terminal is fixedly connected at the top of the conductive column, the pressure chip both ends are plugged on the installation base
In the slot of frame, the pin of the pressure chip and the conductive sheet are conductively connected；Electricity is fixedly installed on the cable connector
Cable, the cable include a plurality of leads, and the end of the lead is equipped with second be plugged on the first conductive connection terminal
It is conductively connected terminal.
2. a kind of pressure sensor as described in claim 1, it is characterised in that: the lower section of the slot is equipped with seal groove, institute
It states and felt pad is installed between the bottom of pressure chip and the seal groove, the felt pad is bonded in the pressure by marine glue
In power chip bottom and the seal groove.
3. a kind of pressure sensor as described in claim 1, it is characterised in that: the top surface of the pressing plate and the installing base frame
Between be additionally provided with clamping pad.
4. a kind of pressure sensor as described in claim 1, it is characterised in that: be additionally provided on the bottom wall of the lower case upwards
The limiting stand of protrusion, the installing base frame bottom are equipped with annular groove compatible with the limiting stand, and the limiting stand accommodates institute
It states in annular groove.
5. a kind of pressure sensor as claimed in claim 4, it is characterised in that: set between the annular groove and the limiting stand
There is first seal.
6. a kind of pressure sensor as described in claim 1, it is characterised in that: it is horizontal to be additionally provided with connection on the inside of the installing base frame
The connecting cross arm of arm, described two installing base frames is oppositely arranged, and described two connecting cross arms can by way of clamping or grafting
Dismantling connection.
7. a kind of pressure sensor as described in claim 1, it is characterised in that: set between the upper housing and the lower case
There is second seal.
8. a kind of pressure sensor as described in claim 1, it is characterised in that: connecing between the upper housing and the pressure ring
Contacting surface is equipped with the tooth socket for preventing the pressure ring rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821735625.2U CN208818379U (en) | 2018-10-25 | 2018-10-25 | A kind of pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821735625.2U CN208818379U (en) | 2018-10-25 | 2018-10-25 | A kind of pressure sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208818379U true CN208818379U (en) | 2019-05-03 |
Family
ID=66280272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821735625.2U Expired - Fee Related CN208818379U (en) | 2018-10-25 | 2018-10-25 | A kind of pressure sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208818379U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111023529A (en) * | 2019-12-12 | 2020-04-17 | 武汉羽芒智能科技有限公司 | Quick-response pressure sensor applied to air-conditioning refrigeration equipment |
-
2018
- 2018-10-25 CN CN201821735625.2U patent/CN208818379U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111023529A (en) * | 2019-12-12 | 2020-04-17 | 武汉羽芒智能科技有限公司 | Quick-response pressure sensor applied to air-conditioning refrigeration equipment |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190503 Termination date: 20191025 |