CN210165989U - Integrated liquid level temperature transmitter - Google Patents
Integrated liquid level temperature transmitter Download PDFInfo
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- CN210165989U CN210165989U CN201920816896.9U CN201920816896U CN210165989U CN 210165989 U CN210165989 U CN 210165989U CN 201920816896 U CN201920816896 U CN 201920816896U CN 210165989 U CN210165989 U CN 210165989U
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Abstract
The utility model relates to an integral type liquid level temperature transmitter, including casing, base and water guide head, casing one side opening, opening part fixed mounting has the base, set up the sealing washer between opening part and the base, set up the standing groove in the base, fixed mounting has pressure sensor in the standing groove, embedded being provided with temperature sensor in the base, the water guide headgear is established on the base, set up a plurality of water guide holes on the water guide head; an amplifying circuit board is fixedly arranged in the shell; the other end of the shell is provided with a wire hole, a wire is arranged in the wire hole, one end of the wire is connected with the amplifying circuit board, and the other end of the wire extends out of the shell; and the wire hole is filled with high-vacuum water-resistant and mineral oil-resistant sealing silicone grease. The utility model discloses the sealed double sealing washer/sealing ring that adopts of casing junction is sealed, will seal, the locking wire separately has strengthened sealed grade, has the external compressive capacity who bears deep well oil gas, is fit for deep water liquid level/temperature measurement and control.
Description
Technical Field
The utility model relates to a fluid pressure, temperature electron observe and control sensor and derailleur technical device technical field of instrument technical field, specific integral type liquid level temperature transmitter that says so.
Background
The pressure and temperature sensors and the speed changer are used as nerves for various fluid medium pressure and temperature automatic electronic measurement control, play an irreplaceable role in modern aerospace and navigation, military scientific research, industrial process control, petrochemical industry and vehicle operation monitoring, are more and more widely applied to various aspects of military scientific research, industrial production, petrochemical industry, transportation and civil living facilities, and provide technical parameter basis for the production and operation process control of all industries.
Along with the rapid development of information technology, a single technical device can simultaneously, accurately and reliably detect the pressure and temperature parameters of the measured fluid medium and carry out data transmission technology to await breakthrough, and the method has huge market space and extremely wide application prospect.
SUMMERY OF THE UTILITY MODEL
Not enough to above-mentioned prior art, the utility model provides an integral type liquid level temperature transmitter.
The utility model provides an integral type liquid level temperature transmitter is realized through following technical scheme:
the integrated liquid level temperature transmitter comprises a shell, a base and a water guide head, wherein one side of the shell is provided with an opening, the base is fixedly installed at the opening, a sealing ring is arranged between the opening and the base, a placing groove is formed in the base, a pressure sensor is fixedly installed in the placing groove, a temperature sensor is embedded in the base, the water guide head is sleeved on the base, and a plurality of water guide holes are formed in the water guide head; an amplifying circuit board is fixedly arranged in the shell; the other end of the shell is provided with a wire hole, a wire is arranged in the wire hole, one end of the wire is connected with the amplifying circuit board, the other end of the wire extends out of the shell, an amplifying part is arranged in the wire hole, a sealing ring and steel gaskets tightly attached to two sides of the sealing ring are arranged in the amplifying part, and the sealing ring and the steel gaskets are sleeved on the wire and used for sealing; and the wire hole is filled with high-vacuum water-resistant and mineral oil-resistant sealing silicone grease.
The amplifying circuit board comprises a pressure amplifying circuit and a temperature amplifying circuit, the input end of the pressure amplifying circuit is connected with the pressure sensor, and the input end of the temperature amplifying circuit is connected with the temperature sensor.
And a wire pressing cap for fixing a wire is embedded in one end of the shell.
The casing is stainless steel material, the base is the material of leading the temperature.
The utility model has the advantages that:
1. the joint of the shell of the liquid level temperature transmitter is sealed by adopting a double-sealing ring/sealing ring, the sealing and the locking line are separated, the sealing grade is enhanced, the external pressure resistance for bearing deep well oil gas is realized, and the device is suitable for measuring and controlling the deep water liquid level/temperature.
2. The pressure and temperature sensors sense and output pressure and temperature signals through media at the same time, namely the pressure and temperature of the tested media output two groups of standard signals through the sensor amplification circuit board;
3. the wire hole is filled with high-vacuum waterproof and mineral oil-resistant sealing silicone grease, so that the lead wire end is completely sealed and insulated; the pressure-resistant device has the external pressure-resistant capacity of bearing deep well oil gas and is suitable for measuring and controlling the deep water liquid level/temperature.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a temperature amplifying circuit diagram;
fig. 3 is a pressure amplifying circuit diagram.
Detailed Description
The technical solution of the present invention will be described clearly and completely by the following embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.
The integrated liquid level temperature transmitter shown in fig. 1 comprises a shell 10, a base 3 and a water guide head 1, wherein one side of the shell 10 is provided with an opening, the base 3 is fixedly installed at the opening, a sealing ring 4 is arranged between the opening and the base 3, a placing groove is arranged in the base 3, a pressure sensor 2 is fixedly installed in the placing groove, the pressure sensor is tightly attached to the inner wall of the placing groove, a temperature sensor 11 is embedded in the base, the water guide head 1 is sleeved on the base 3, and a plurality of water guide holes a are formed in the water guide head 1; the amplification circuit board 5 is fixedly arranged in the shell 10; the other end of the shell 10 is provided with a wire hole, a wire 8 is arranged in the wire hole, one end of the wire 8 is connected with the amplifying circuit board 5, the other end of the wire extends out of the shell 10, an amplifying part is arranged in the wire hole, a sealing ring 6 and a steel gasket 9 tightly attached to two sides of the sealing ring are arranged in the amplifying part, and the sealing ring 6 and the steel gasket 9 are sleeved on the wire 8 for sealing; and the wire hole is filled with high-vacuum water-resistant and mineral oil-resistant sealing silicone grease.
Preferably, a wire pressing cap 7 for fixing a wire is embedded at one end of the housing 10.
Preferably, the shell and the base are made of stainless steel materials, and can prevent rust and conduct heat.
As shown in fig. 2 and 3, fig. 2 is a temperature amplifying circuit diagram, and fig. 3 is a pressure amplifying circuit diagram. The amplifying circuit board comprises a pressure amplifying circuit and a temperature amplifying circuit, the input end of the pressure amplifying circuit is connected with the pressure sensor, and the input end of the temperature amplifying circuit is connected with the temperature sensor. The pressure sensor and the temperature sensor sense output pressure and temperature signals through media at the same time and transmit the output pressure and temperature signals to the amplifying circuit, and the processed signals are transmitted to the outside through a lead. The pressure sensor adopts a piezoresistive OEM pressure sensor, and the temperature sensor adopts a PT1000 temperature sensor, so that the long-term stability is good, and the reliability is high.
The above-described embodiments are merely illustrative of embodiments of the present invention, which are described in detail and detail, but are not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (4)
1. The integrated liquid level temperature transmitter is characterized by comprising a shell, a base and a water guide head, wherein one side of the shell is provided with an opening, the opening is fixedly provided with the base, a sealing ring is arranged between the opening and the base, a placing groove is arranged in the base, a pressure sensor is fixedly arranged in the placing groove, a temperature sensor is embedded in the base, the water guide head is sleeved on the base, and the water guide head is provided with a plurality of water guide holes; an amplifying circuit board is fixedly arranged in the shell; the other end of the shell is provided with a wire hole, a wire is arranged in the wire hole, one end of the wire is connected with the amplifying circuit board, the other end of the wire extends out of the shell, an amplifying part is arranged in the wire hole, a sealing ring and steel gaskets tightly attached to two sides of the sealing ring are arranged in the amplifying part, and the sealing ring and the steel gaskets are sleeved on the wire and used for sealing; and the wire hole is filled with high-vacuum water-resistant and mineral oil-resistant sealing silicone grease.
2. The integrated liquid level temperature transmitter of claim 1, wherein the amplifying circuit board comprises a pressure amplifying circuit and a temperature amplifying circuit, the input end of the pressure amplifying circuit is connected with the pressure sensor, and the input end of the temperature amplifying circuit is connected with the temperature sensor.
3. The integrated liquid level temperature transmitter of claim 1, wherein a wire pressing cap for fixing a wire is embedded in one end of the housing.
4. The integrated level temperature transmitter of claim 1, wherein the housing is made of stainless steel and the base is made of a temperature conductive material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920816896.9U CN210165989U (en) | 2019-06-02 | 2019-06-02 | Integrated liquid level temperature transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920816896.9U CN210165989U (en) | 2019-06-02 | 2019-06-02 | Integrated liquid level temperature transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210165989U true CN210165989U (en) | 2020-03-20 |
Family
ID=69793937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920816896.9U Active CN210165989U (en) | 2019-06-02 | 2019-06-02 | Integrated liquid level temperature transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210165989U (en) |
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2019
- 2019-06-02 CN CN201920816896.9U patent/CN210165989U/en active Active
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