CN115752782A - Hydraulic high-pressure temperature sensor and method - Google Patents
Hydraulic high-pressure temperature sensor and method Download PDFInfo
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- CN115752782A CN115752782A CN202211380531.9A CN202211380531A CN115752782A CN 115752782 A CN115752782 A CN 115752782A CN 202211380531 A CN202211380531 A CN 202211380531A CN 115752782 A CN115752782 A CN 115752782A
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- mounting seat
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Abstract
The invention discloses a hydraulic high-pressure temperature sensor and a method, comprising a sensor mounting seat, wherein an electric connector socket is arranged above the sensor mounting seat, and an electric connector plug is inserted in the electric connector socket; the lower part of the sensor mounting seat is provided with a temperature measuring pipe, a temperature sensing sensor connected with the electric connection socket is arranged in the temperature measuring pipe, and heat conducting oil positioned in the temperature measuring pipe is arranged outside the temperature sensing sensor; the outer side surface of the lower end of the sensor mounting seat is provided with an external thread structure, and steps are arranged above the external thread structure. The temperature sensor is fixed on the pipeline welding seat through the threaded connection of the sensor mounting seat, and extends into the hydraulic pipeline through the temperature measuring pipe to monitor the temperature of the liquid; the temperature monitoring signal is output to external test equipment through the electric connector socket, the electric connector plug and the cable. The invention can be suitable for the working condition of high-pressure fluid and has the characteristics of high pressure resistance (more than or equal to 42 MPa), impact resistance, vibration resistance, quick response and high precision.
Description
Technical Field
The invention relates to a temperature sensor, in particular to a hydraulic high-pressure temperature sensor and a method.
Background
In order to monitor the temperature of the hydraulic fluid in the hydraulic pipeline and ensure the safety, stability and reliability of the operation of the hydraulic pipeline, a hydraulic fluid temperature sensor is adopted to monitor the temperature in the hydraulic pipeline. However, the hydraulic high-pressure fluid has the characteristics of high pressure (more than or equal to 42 MPa), large impact, large vibration and the like, but the hydraulic fluid temperature sensor used in the current market is mainly suitable for the range of medium and low pressure (less than or equal to 30 MPa), has the defects of slow temperature measurement response, low precision, low reliability and the like, and is difficult to be suitable for the high-pressure hydraulic fluid medium. Therefore, it is urgently needed to develop a temperature sensor suitable for the working condition of high-pressure fluid.
Disclosure of Invention
The invention aims to provide a hydraulic high-pressure temperature sensor and a method. The invention can be suitable for the working condition of high-pressure fluid and has the characteristics of high pressure resistance (more than or equal to 42 MPa), impact resistance, vibration resistance, quick response and high precision.
The technical scheme of the invention is as follows: a hydraulic high-voltage temperature sensor comprises a sensor mounting seat, wherein an electric connector socket is arranged above the sensor mounting seat, and an electric connector plug is inserted into the electric connector socket; the lower part of the sensor mounting seat is provided with a temperature measuring pipe, a temperature sensing sensor connected with the electric connection socket is arranged in the temperature measuring pipe, and heat conducting oil positioned in the temperature measuring pipe is arranged outside the temperature sensing sensor; an external thread structure is arranged on the outer side face of the lower end of the sensor mounting seat, and a step is arranged above the external thread structure; still including being located the pipeline welded seat on the hydraulic pressure pipeline, be equipped with in the pipeline welded seat with outer screw thread structure matched with inner thread structure.
In the hydraulic high-pressure temperature sensor, a seal ring is arranged below the step.
In the hydraulic high-pressure temperature sensor, a sealing gasket is arranged between the electric connector socket and the sensor mounting seat.
In the hydraulic high-voltage temperature sensor, the electric connector plug is provided with a cable.
In the hydraulic high-pressure temperature sensor, the temperature sensor is an armored thermal resistor or a thermocouple.
In the hydraulic high-pressure temperature sensor, the electric connector socket is fixed on the sensor mounting seat by self-locking screws.
A method for using a hydraulic high-pressure temperature sensor is characterized in that a temperature sensor is fixedly connected onto a pipeline welding seat through threads of a sensor mounting seat, and the temperature sensor extends into a hydraulic pipeline through a temperature measuring pipe to monitor the temperature of liquid; the temperature monitoring signal is output to external test equipment through the electric connector socket, the electric connector plug and the cable.
In the application method of the hydraulic high-pressure temperature sensor, the sensor mounting seat is manufactured in an integral processing mode.
In the application method of the hydraulic high-pressure temperature sensor, the diameter of the temperature measuring pipe is less than or equal to 10mm.
Compared with the prior art, the invention consists of a sensor mounting seat, an electric connector socket, an electric connector plug, a temperature measuring tube arranged at the lower part of the sensor mounting seat, a temperature sensing sensor arranged in the temperature measuring tube and heat conducting oil, wherein the heat conducting oil is used for conducting temperature, meanwhile, the sensor mounting seat is integrally processed and molded and is connected with a pipeline welding seat in a threaded mounting mode, and the sensor mounting seat adopts a sealing ring to seal hydraulic fluid. In conclusion, the invention can be suitable for the working condition of high-pressure fluid and has the characteristics of high pressure resistance (more than or equal to 42 MPa), impact resistance, vibration resistance, quick response and high precision.
Drawings
Fig. 1 is a structural view of a hydraulic high-pressure temperature sensor of the present invention.
Fig. 2 is a mounting structure view of the hydraulic high-pressure temperature sensor of the present invention.
The symbols in the drawings are: the temperature-sensing sensor comprises a cable 1, an electric connector 2, a self-locking screw 3, an electric connector socket 4, a sealing gasket 5, a sensor mounting seat 6, a sealing ring 7, heat-conducting oil 8, a temperature-sensing sensor 9, a pipeline welding seat 10, a hydraulic pipeline 11 and a temperature measuring pipe 12.
Detailed Description
The invention is further illustrated by the following figures and examples, which are not to be construed as limiting the invention.
Examples are given. A hydraulic high-pressure temperature sensor is shown in figures 1 and 2 and comprises an electric connector plug 2, a self-locking screw 3, an electric connector socket 4, a sealing gasket 5, a sensor mounting seat 6, a sealing ring 7, heat conduction oil 8 and a temperature sensing sensor 9. The lead of the temperature-sensing sensor 9 is welded on the pin of the electric connector socket 4 and is placed in the inner hole of the temperature measuring pipe of the sensor mounting seat 6, the heat conducting oil 8 is filled into the inner hole of the temperature measuring pipe of the sensor mounting seat 6 for heat transfer, the electric connector socket 4 is fixedly mounted on the sensor mounting seat 6 by adopting the self-locking screw 3, and the sealing gasket 5 is arranged between the electric connector socket 4 and the sensor mounting seat 6 for packaging the heat conducting oil 8. The electrical connector plug 2 is mated with the electrical connector socket 4.
When the hydraulic high-voltage temperature sensor is used on site, the cable 1 is connected with the electric connector plug 2, the electric connector plug 2 is connected with the electric connector socket 4 in a matching mode, and signals are output to external test equipment through the cable 1. On hydraulic pressure high pressure temperature sensor was fixed in pipeline welded seat 10 through the threaded connection of sensor mount pad 6, sensor mount pad 6 sealed high-pressure fluid through sealing washer 7 with pipeline welded seat 10, and pipeline welded seat 10 carries out welded connection with hydraulic pressure pipeline 11.
The sensor mounting seat 6 adopts an integral processing mode, is fixed by adopting thread mounting (the diameter is less than or equal to 16), and the size diameter of the temperature measuring tube is less than or equal to 10.
The sensor mount 6 is sealed against hydraulic fluid with a seal ring 7.
The temperature sensor 9 adopts an armored thermal resistor or a thermocouple, senses temperature through heat conduction oil 8, and is packaged inside the sensor mounting seat 6 through a sealing gasket 7.
The electric connector adopts the aviation electric connector, and electric connector plug and electric connector socket take the guide way, and is fixed through threaded connection, and on the electric connector socket adopted check screw to be fixed in the sensor mount pad, the temperature-sensing sensor adopted armor formula thermal resistance or thermocouple, adopted the conduction oil to carry out the temperature conduction.
The temperature sensor is suitable for measuring the temperature of low-pressure, medium-pressure and high-pressure hydraulic fluid, and is particularly suitable for measuring the temperature of high-pressure hydraulic fluid.
Claims (10)
1. A hydraulic high pressure temperature sensor characterized by: the sensor comprises a sensor mounting seat (6), wherein an electric connector socket (4) is arranged above the sensor mounting seat (6), and an electric connector plug (2) is inserted into the electric connector socket (4); a temperature measuring tube (12) is arranged at the lower part of the sensor mounting seat (6), a temperature sensing sensor (9) connected with the electric connection seat (4) is arranged in the temperature measuring tube (12), and heat conduction oil (8) positioned in the temperature measuring tube (12) is arranged outside the temperature sensing sensor (9); the outer side surface of the lower end of the sensor mounting seat (6) is provided with an external thread structure, and a step is arranged above the external thread structure.
2. A hydraulic high pressure temperature sensor according to claim 1, wherein: the hydraulic pipeline welding device is characterized by further comprising a pipeline welding seat (10) located on the hydraulic pipeline (11), and an internal thread structure matched with the external thread structure is arranged in the pipeline welding seat (10).
3. A hydraulic high pressure temperature sensor according to claim 1, wherein: and a sealing ring (7) is arranged below the step.
4. A hydraulic high pressure temperature sensor according to claim 1, wherein: a sealing gasket (5) is arranged between the electric connector socket (4) and the sensor mounting seat (6).
5. A hydraulic high pressure temperature sensor according to claim 1, wherein: the electric connector plug (2) is provided with a cable (1).
6. A hydraulic high pressure temperature sensor according to claim 1, wherein: the temperature sensor (9) adopts an armored thermal resistor or a thermocouple.
7. A hydraulic high pressure temperature sensor according to claim 1, wherein: the electric connector socket (4) is fixed on the sensor mounting seat (6) by adopting a self-locking screw (3).
8. Use of a hydraulic high-pressure temperature sensor according to any one of claims 1 to 7, characterized in that: the temperature sensor is fixed on the pipeline welding seat through the threaded connection of the sensor mounting seat, and extends into the hydraulic pipeline through the temperature measuring pipe to monitor the temperature of the liquid; the temperature monitoring signal is output to external test equipment through the electric connector socket, the electric connector plug and the cable.
9. Use of a hydraulic high-pressure temperature sensor according to claim 1, characterized in that: the sensor mounting seat adopts an integral processing and manufacturing mode.
10. Use of a hydraulic high-pressure temperature sensor according to claim 1, characterized in that: the diameter of the temperature measuring tube is less than or equal to 10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211380531.9A CN115752782A (en) | 2022-11-04 | 2022-11-04 | Hydraulic high-pressure temperature sensor and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211380531.9A CN115752782A (en) | 2022-11-04 | 2022-11-04 | Hydraulic high-pressure temperature sensor and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115752782A true CN115752782A (en) | 2023-03-07 |
Family
ID=85356658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211380531.9A Pending CN115752782A (en) | 2022-11-04 | 2022-11-04 | Hydraulic high-pressure temperature sensor and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115752782A (en) |
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2022
- 2022-11-04 CN CN202211380531.9A patent/CN115752782A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 550018 No.1, 2nd Floor, Building 102, Beiya Village, Xintianzhai, Wudang District, Guiyang City, Guizhou Province Applicant after: Guizhou Anfei Precision Manufacturing Co.,Ltd. Address before: 550018 No. 1, floor 1, Building 102 and floor 2, building 113, Beiya Road, xintianzhai, Wudang District, Guiyang City, Guizhou Province Applicant before: LIYUAN HYDRAULIC SYSTEM (GUIYANG) Co.,Ltd. |
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| CB02 | Change of applicant information |