CN108398161A - A kind of temperature, pressure one transmitter - Google Patents
A kind of temperature, pressure one transmitter Download PDFInfo
- Publication number
- CN108398161A CN108398161A CN201810232580.5A CN201810232580A CN108398161A CN 108398161 A CN108398161 A CN 108398161A CN 201810232580 A CN201810232580 A CN 201810232580A CN 108398161 A CN108398161 A CN 108398161A
- Authority
- CN
- China
- Prior art keywords
- pressure
- temperature
- core
- shell
- transmitter
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/02—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
- G01K7/18—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a linear resistance, e.g. platinum resistance thermometer
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
- G01L9/0051—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance
Abstract
The present invention relates to a kind of temperature, pressure one transmitters, including pedestal, shell, waterproof connector；One end of the shell is tightly connected with base thread, and the other end is connect with waterproof connector thread seal；One end of the pedestal is welded with temp probe, and the other end is equipped with pressure core, centre bore is equipped in temp probe, is equipped with temperature core in the centre bore of temp probe, temperature core is fixed on by epoxide-resin glue in the centre bore of temp probe；Transmitter inner cavity is equipped in the shell, the pressure core of pedestal is placed in intracavitary in the transmitter of shell, intracavitary is additionally provided with modular pressure, thermal module, circuit carriers in the transmitter of shell, and circuit carriers are fixed in pressure core, and modular pressure, thermal module are installed in circuit carriers.Through the invention, temperature sensor and pressure sensor bilayer feature is combined, it not only can be with testing temperature but also can be with measuring pressure.
Description
Technical field
The present invention relates to a kind of temperature, pressure one transmitters, belong to transducer design technical field.
Background technology
Temperature sensor and pressure sensor are two kinds of bigger sensors of sensor industry usage amount, and often one
It rises and uses, be a pair of of companion flowers of sensor industry.In industrial automation application, need every time inside test tube road liquid or
When the pressure and temperature of gas, it is required for mounting temperature sensor and pressure sensor, especially for accurate measurement, height
Standard technology control etc., needs temperature measuring point more with pressure measurement point, needs the work of trepanning, installation, wiring etc. in this way
Amount is very big, just more inconvenient for the limited place in space, and influences overall beautiful.
Invention content
The purpose of the present invention provides a kind of reasonable for structure, manufacturing aiming at above-mentioned drawback of the existing technology
Easy temperature, pressure one transmitter.
The object of the present invention is achieved like this, a kind of temperature, pressure one transmitter, it is characterized in that：Including pedestal, outside
Shell, waterproof connector；
One end of the shell is tightly connected with base thread, and the other end is connect with waterproof connector thread seal；The pedestal
One end is welded with temp probe, and the other end is equipped with pressure core, centre bore, the centre bore of temp probe are equipped in temp probe
Temperature core is inside installed, temperature core is fixed on by epoxide-resin glue in the centre bore of temp probe；
Transmitter inner cavity is equipped in the shell, the pressure core of pedestal is placed in intracavitary in the transmitter of shell, the pick-up of shell
Intracavitary is additionally provided with modular pressure, thermal module, circuit carriers in device, and circuit carriers are fixed in pressure core, modular pressure, temperature
Degree module is installed in circuit carriers；The pressure core is electrically connected through the first conducting wire with the signal input part of modular pressure,
Temperature core is electrically connected through the second conducting wire with the signal input part of thermal module, and the modular pressure, the signal of thermal module are defeated
Outlet is respectively equipped with privates, privates, and privates, privates are pierced by transmitter inner cavity through waterproof connector.
The pedestal is that 304 stainless steels or 316L stainless steels are integrally machined molding.
The material of the pressure core is 316L stainless steels.
The modular pressure, thermal module are all made of combined type form in circuit carriers.
Sealing ring is equipped at the shell and base into contact, sealing ring is O-ring seal.
The circuit carriers are screwed in pressure core.
The waterproof connector is fixed on cover top portion by nut.
Structure of the invention is rationally simple, it is easy, easy to use to manufacture, through the invention, including pedestal, pressure core
Body, temp probe, modular pressure, thermal module, shell, circuit carriers, waterproof connector, cable, sealing ring.Wherein, pedestal
It is integrally machined molding for 304 material of metal；Pressure core is mounted on pedestal；Temp probe is welded on the front end of pedestal, temperature
Core is mounted in the centre bore of temp probe, and is fixed by epoxide-resin glue；Shell is used with pedestal and is threadedly coupled,
It is sealed equipped with O-ring seal；Waterproof connector is tightly connected with outer casing screw, can also match four cores or six core aerial plug-in units.Shell
Interior to be equipped with transmitter inner cavity, transmitter inner cavity is equipped with pressure core, modular pressure, thermal module, and module uses combined type form
In circuit carriers, circuit carriers are screwed in pressure core, convenient and efficient；Modular pressure is adopted with thermal module
It is connected on waterproof connector with conducting wire, waterproof connector is fixed on cover top portion by nut, and uses conducting wire by temperature and pressure
Signal exports.
The design new structure is rationally simple, and using 304 or 316L material pedestals, high-precision spreads silicon as pressure core
Body；The present invention can meet the pressure measurement at a temperature of -40 ~ 125 DEG C, and measurement accuracy reaches 0.2%FS；The pressure of measured medium
Power directly acts on the diaphragm of pressure core, so that diaphragm is generated the micro-displacement directly proportional to pressure core pressure medium, makes pressure
The resistance value of power core changes, and to obtain the signal of 0-100mv, and is obtained by subsequent modular pressure is amplified
To current or voltage signal.Temperature core uses thermal resistance（Pt100 Pt1000) or thermocouple（K J E types）, pass through asphalt mixtures modified by epoxy resin
Fat glue is fixed on temp probe measured hole（Centre bore）In, it is desirable that temperature measuring point is as close possible to detected fluid, equally, temperature
Temperature change value measured by core is amplified by subsequent thermal module obtains current or voltage signal.
Through the invention, temperature sensor and pressure sensor are installed in the same sensor base；Sensor connects
It is 304 stainless steels or 316L materials respectively that liquid position, which uses stainless steel material, material, and it is 316L that pressure core, which connects liquid material,.This
In invention, pressure responsive element（Pressure core）It may be used using high-precision diffusion silicon sensor as load cell.Temperature
Sensing element（Temperature core）Thermal resistance or thermocouple may be used（Pt100、Pt1000、K、J、E）.
Temperature and pressure integrative sensor combines temperature sensor and pressure sensor dual characteristics, not only can be with testing temperature but also can be with
Measuring pressure.This sensor of temperature and pressure one greatly facilitates the use of client, more sometimes for measuring especially on pipeline
Locate temperature and pressure, the mounting hole of half can be opened less in this way, and power supply and output signal circuit are also simple very much.Temperature and pressure
Integrative sensor is novel sensor, it has complied with the development in epoch.The needs of client are not only met, but also are sensor rows
Sensor material is greatly saved in one breakthrough of industry, temperature and pressure integrative sensor so that the price of temperature and pressure integrative sensor is than single
Only temperature sensor and pressure sensor price is added cheap.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention.
In figure：1 temperature core, 2 pedestals, 3 sealing rings, 4 pressure cores, 5 circuit carriers, 6 screws, 7 modular pressures, 8 temperature
Spend module, 9 shells, 10 waterproof connectors, 12 temp probes.
Specific implementation mode
Below in conjunction with attached drawing and description of the drawings, the present invention is further illustrated.
A kind of temperature, pressure one transmitter, including pedestal 2, shell 9, waterproof connector 10；One end of shell 9 and pedestal 2
Thread seal connects, and the other end is connect with 10 thread seal of waterproof connector；It is welded with temp probe 12 in one end of pedestal 2, separately
One end is equipped with pressure core 4, and centre bore is provided in temp probe 12, temperature core is equipped in the centre bore of temp probe 12
Body 1, temperature core 1 are fixed on by epoxide-resin glue in the centre bore of temp probe 12.In shell 9 in setting transmitter
The pressure core 4 of chamber, pedestal 2 is placed in intracavitary in the transmitter of shell 9, and intracavitary also sets up modular pressure in the transmitter of shell 9
7, thermal module 8, circuit carriers 5, circuit carriers 5 are fixed in pressure core 4, and modular pressure 7, thermal module 8 are installed in
In circuit carriers 5；Pressure core 4 is electrically connected through the first conducting wire with the signal input part of modular pressure 7, and temperature core 1 is through second
Conducting wire is electrically connected with the signal input part of thermal module 8, the modular pressure 7, thermal module 8 signal output end be respectively set
There are privates, privates, privates, privates to be pierced by transmitter inner cavity through waterproof connector 10.
Further, pedestal 2 is that 304 stainless steels or 316L stainless steels are integrally machined molding.The material of pressure core 4
For 316L stainless steels.Combined type form is all made of in circuit carriers 5 in modular pressure 7, thermal module 8.Shell 9 and base
Sealing ring 3 is arranged in 2 contact positions of seat, and sealing ring 3 is O-ring seal.Circuit carriers 5 are fixed on screw 6 in pressure core 4.
Claims (6)
1. a kind of temperature, pressure one transmitter, it is characterized in that：Including pedestal（2）, shell（9）, waterproof connector（10）；
The shell（9）One end and pedestal（2）Thread seal connects, the other end and waterproof connector（10）Thread seal connects；
The pedestal（2）One end be welded with temp probe（12）, the other end is equipped with pressure core（4）, temp probe（12）Inside set
There are centre bore, temp probe（12）Centre bore in temperature core is installed（1）, temperature core（1）It is solid by epoxide-resin glue
Due to temp probe（12）Centre bore in；
The shell（9）It is interior to be equipped with transmitter inner cavity, pedestal（2）Pressure core（4）It is placed in shell（9）Transmitter inner cavity
It is interior, shell（9）Transmitter in intracavitary be additionally provided with modular pressure（7）, thermal module（8）, circuit carriers（5）, circuit carriers（5）
It is fixed on pressure core（4）On, modular pressure（7）, thermal module（8）It is installed in circuit carriers（5）On；The pressure core
（4）Through the first conducting wire and modular pressure（7）Signal input part electrical connection, temperature core（1）Through the second conducting wire and thermal module
（8）Signal input part electrical connection, the modular pressure（7）, thermal module（8）Signal output end be respectively equipped with third and lead
Line, privates, privates, privates are through waterproof connector（10）It is pierced by transmitter inner cavity.
2. a kind of temperature, pressure one transmitter according to claim 1, it is characterized in that：The pedestal（2）It is stainless for 304
Steel or 316L stainless steels are integrally machined molding.
3. a kind of temperature, pressure one transmitter according to claim 1, it is characterized in that：The pressure core（4）Material
Matter is 316L stainless steels.
4. a kind of temperature, pressure one transmitter according to claim 1, it is characterized in that：The modular pressure（7）, temperature
Module（8）It is all made of combined type form and is mounted on circuit carriers（5）On.
5. a kind of temperature, pressure one transmitter according to claim 1, it is characterized in that：The shell (9) and pedestal (2)
Contact position is equipped with sealing ring (3), and sealing ring (3) is O-ring seal.
6. a kind of temperature, pressure one transmitter according to claim 1, it is characterized in that：The circuit carriers（5）Use spiral shell
Nail（6）It is fixed on pressure core（4）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810232580.5A CN108398161A (en) | 2018-03-21 | 2018-03-21 | A kind of temperature, pressure one transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810232580.5A CN108398161A (en) | 2018-03-21 | 2018-03-21 | A kind of temperature, pressure one transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108398161A true CN108398161A (en) | 2018-08-14 |
Family
ID=63092707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810232580.5A Pending CN108398161A (en) | 2018-03-21 | 2018-03-21 | A kind of temperature, pressure one transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108398161A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110514318A (en) * | 2019-09-06 | 2019-11-29 | 江苏盛仕铭科技有限公司 | A kind of novel digital type multiple spot deep water temperature sensor |
| CN113252203A (en) * | 2021-04-20 | 2021-08-13 | 季诺金(宁夏)科技有限公司 | Temperature and pressure integrated sensor |
| CN113483942A (en) * | 2021-07-01 | 2021-10-08 | 南京特敏传感技术有限公司 | Multipurpose integral type pressure sensing core |
| CN115388938A (en) * | 2022-07-13 | 2022-11-25 | 中列(武汉)科技有限公司 | Temperature and pressure sensor |
-
2018
- 2018-03-21 CN CN201810232580.5A patent/CN108398161A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110514318A (en) * | 2019-09-06 | 2019-11-29 | 江苏盛仕铭科技有限公司 | A kind of novel digital type multiple spot deep water temperature sensor |
| CN113252203A (en) * | 2021-04-20 | 2021-08-13 | 季诺金(宁夏)科技有限公司 | Temperature and pressure integrated sensor |
| CN113483942A (en) * | 2021-07-01 | 2021-10-08 | 南京特敏传感技术有限公司 | Multipurpose integral type pressure sensing core |
| CN115388938A (en) * | 2022-07-13 | 2022-11-25 | 中列(武汉)科技有限公司 | Temperature and pressure sensor |
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