CN219624959U - Oil pressure sensor for oilpaper capacitive sleeve - Google Patents
Oil pressure sensor for oilpaper capacitive sleeve Download PDFInfo
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- CN219624959U CN219624959U CN202322059091.3U CN202322059091U CN219624959U CN 219624959 U CN219624959 U CN 219624959U CN 202322059091 U CN202322059091 U CN 202322059091U CN 219624959 U CN219624959 U CN 219624959U
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- oil pressure
- pressure sensor
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- connecting pipe
- oil
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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Abstract
The utility model relates to the technical field of oil pressure sensors, and discloses an oil pressure sensor for an oil paper capacitive sleeve, which comprises an oil pressure sensor connector and a top cap, wherein the outer wall of the oil pressure sensor connector is a threaded end and is used for being installed on the oil paper capacitive sleeve, a structural component is arranged between the oil pressure sensor connector and the top cap, and the structural component comprises a first connecting pipe. Through setting up temperature sensing module for carry out temperature detection to fluid, and on passing through signal transmission to external controller, will be according to the temperature numerical value of real-time detection and the initial temperature numerical value that establishes on the controller contrast, if produce the temperature numerical value difference, utilize the controller to order about the heater or the cooler in the temperature controller, adjust the temperature to fluid, make its fluid reach the settlement initial value, so, guarantee that fluid does not receive the influence of temperature, avoid the pressure chip to cause the error in the time of detecting the oil pressure, and then influence this oil pressure sensor's detection precision.
Description
Technical Field
The utility model relates to the technical field of oil pressure sensors, in particular to an oil pressure sensor for an oilpaper capacitive sleeve.
Background
The capacitive devices in the substation account for about 40% -50% of the total amount of power devices, with the most critical and most likely to fail capacitive devices being transformer bushings. The insulation performance of the transformer bushing can withstand the strict test of electricity, force, heat and the combined action of the electricity, the force and the heat for a long time, and the transformer bushing has the characteristics of small volume, light weight, strong universality, good sealing performance, convenience in maintenance and overhaul and the like.
The transformer sleeve is mainly composed of an oiled paper capacitor sleeve, and the capacitor sleeve is also a composite insulating material sleeve which is mainly composed of oiled paper and gummed paper, and uniformly distributed with radial and axial electric fields by using capacitor voltage-equalizing polar plates.
The oil pressure sensor is a device for converting a pressure signal into an electric signal through a piezoresistive effect. The oil pressure sensor is a sensor which is most commonly used in industry, is widely applied to various industrial self-control environments, relates to various industries such as water conservancy and hydropower, engineering machinery, aerospace, transportation, petrochemical industry, machine tools, pipelines and the like, is used as an important component of hydraulic equipment, is used for measuring and controlling pressure, and can accurately measure the pressure to be measured and timely transmit the test result to subsequent display or control.
The transformer bushing mainly comprises an oil paper capacitor bushing, and the oil paper capacitor bushing is in fault caused by the fact that the temperature of oil is changed, so that oil pressure detection is inaccurate. Therefore, at present, an oil pressure sensor is arranged on the oilpaper capacitive sleeve, and the oil pressure sensor is easily affected by external temperature in the working process, so that the oil entering the oil pressure sensor is expanded with heat and contracted with cold, and the detection precision of the oil pressure sensor is affected.
Disclosure of Invention
The utility model aims to provide an oil pressure sensor for an oilpaper capacitive sleeve, which achieves the aim of being convenient to use.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the oil pressure sensor for the oilpaper capacitive sleeve comprises an oil pressure sensor connector and a top cap, wherein the outer wall of the oil pressure sensor connector is a threaded end and is used for being installed on the oilpaper capacitive sleeve, and a structural component is arranged between the oil pressure sensor connector and the top cap;
the structure assembly comprises a first connecting pipe, a second connecting pipe and a guide post, wherein the first connecting pipe is integrally connected with a connecting port of the oil pressure sensor, and the first connecting pipe is assembled with the second connecting pipe in a sealing, clamping and embedding manner;
the first connecting pipe is internally provided with a temperature sensing module, and a temperature controller is arranged between the first connecting pipe and the second connecting pipe. Through setting up temperature controller, can make the inside fluid of this oil pressure sensor be in the constant temperature state under any environment, avoid this oil pressure sensor inside fluid to take place expend with heat and contract with cold phenomenon, cause temperature variation and influence this oil pressure sensor's precision.
Preferably, the two sides of the temperature controller are respectively provided with a heater and a cooler which are electrically connected with the temperature sensing module.
Preferably, the inner wall of the first connecting pipe is fixedly provided with a conducting pipe. By arranging the conducting pipe, the temperature generated by the heater and the cooler can be transferred to the conducting pipe through the conducting column, so that the oil liquid can change the temperature.
Preferably, the outer wall of the conducting pipe is connected with the heater and the cooler through conducting columns respectively. Through setting up heater, cooler for adjust the temperature to fluid, guarantee to make the inside fluid of this oil pressure sensor be in the constant temperature state under any environment, avoid this oil pressure sensor inside fluid to take place expend with heat and contract with cold phenomenon, cause temperature variation and influence this oil pressure sensor's precision.
Preferably, a pressure chip is fixedly arranged at the end part of the second connecting pipe.
Preferably, the top cap is fixedly sleeved on the outer wall of the second connecting pipe, and is used for protecting the pressure chip by arranging the top cap, avoiding the damage of the pressure chip and shortening the service life of the pressure chip.
The utility model provides an oil pressure sensor for an oilpaper capacitive sleeve. The beneficial effects are as follows:
(1) According to the utility model, the temperature sensing module is arranged and used for detecting the temperature of the oil, the temperature value detected in real time is transmitted to the external controller through the signal, the temperature value detected in real time is compared with the temperature value initially set on the controller, if the temperature value difference is generated, the controller is used for driving the heater or the cooler in the temperature controller to regulate the temperature of the oil, so that the oil reaches the set initial value, the oil is not influenced by the temperature, and the error caused by the pressure chip in the process of detecting the oil pressure is avoided, thereby influencing the detection precision of the oil pressure sensor.
(2) According to the utility model, the temperature controller is arranged between the first connecting pipe and the second connecting pipe, so that the oil in the oil pressure sensor is in a constant temperature state in any environment, and the phenomenon that the oil in the oil pressure sensor expands with heat and contracts with cold is avoided, and the accuracy of the oil pressure sensor is influenced due to temperature change.
Drawings
FIG. 1 is a perspective view of the structure of the present utility model;
FIG. 2 is a top view of the structure of the present utility model;
FIG. 3 is a cross-sectional view of the structure of the present utility model;
fig. 4 is an exploded view of the structure of the present utility model.
In the figure: a 111 oil pressure sensor connector, a 112 top cap, a 2-structure component, a 211 connecting pipe I, a 212 connecting pipe II, a 213 temperature sensing module, a 214 temperature controller, a 215 heater, a 216 cooler, a 217 guide post, a 218 guide pipe and a 219 pressure chip.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples of the embodiments are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements throughout or elements having like or similar functionality. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
As shown in fig. 1-4: the utility model provides an oil pressure sensor for an oilpaper capacitive sleeve, which comprises an oil pressure sensor connecting port 111 and a top cap 112, wherein the outer wall of the oil pressure sensor connecting port 111 is a threaded end and is used for being installed on the oilpaper capacitive sleeve, a structural component 2 is arranged between the oil pressure sensor connecting port 111 and the top cap 112, and the top cap 112 is fixedly sleeved on the outer wall of a connecting pipe II 212.
The structural component 2 comprises a first connecting pipe 211, a second connecting pipe 212 and a conducting column 217, wherein the first connecting pipe 211 is integrally connected with the oil pressure sensor connecting port 111, the first connecting pipe 211 and the second connecting pipe 212 are assembled in a sealing and clamping way, a temperature sensing module 213 is arranged in the first connecting pipe 211, a temperature controller 214 is arranged between the first connecting pipe 211 and the second connecting pipe 212, a heater 215 and a cooler 216 which are electrically connected with the temperature sensing module 213 are respectively arranged on two sides of the temperature controller 214, a conducting pipe 218 is fixedly arranged on the inner wall of the first connecting pipe 211, the outer wall of the conducting pipe 218 is respectively connected with the heater 215 and the cooler 216 through the conducting column 217, and a pressure chip 219 is fixedly arranged at the end part of the second connecting pipe 212.
The temperature controller 214 is arranged between the first connecting pipe 211 and the second connecting pipe 212, so that the oil in the oil pressure sensor can be in a constant temperature state under any environment, the phenomenon of thermal expansion and contraction of the oil in the oil pressure sensor is avoided, the temperature change is caused, the accuracy of the oil pressure sensor is influenced, the temperature sensor module 213 is arranged and used for detecting the temperature of the oil, the temperature value detected in real time is transmitted to an external controller through signals, the temperature value detected in real time is compared with the temperature value initially set on the controller, if the temperature value difference is generated, the temperature controller 214 is started by the controller, the heater 215 in the temperature controller 214 adjusts the temperature of the oil in a refrigerating mode through the heater 216, the heating rod arranged in the heater 215 heats the oil in a specific temperature adjusting mode, the heating rod heats the oil through the guide post 217, the refrigerant arranged in the cooler 216 refrigerates, when the air is contacted with the surface of the cooler 216, the temperature difference exists between the surface of the cooler 216 and the air, the temperature value is transmitted through the surface of the cooler 216, the temperature value of the air is transmitted to the surface of the cooler 216 through the air, the temperature of the oil in the air is detected through the heater 216, the temperature in the air is reduced through the cooling rod, the temperature of the air is further, the oil pressure is prevented from being influenced by the temperature of the oil pressure sensor, and the oil is not influenced by the temperature of the chip, and the temperature is reduced, and the temperature of the oil is not influenced by the temperature difference is set.
When in use, the oil pressure sensor is firstly arranged at a proper position on the oilpaper capacitive sleeve, the temperature sensing module 213 is arranged in the first connecting pipe 211 and used for detecting the temperature value of the oil in real time and transmitting the temperature value to the external controller through signals, the temperature value detected in real time is compared with the temperature value originally arranged on the controller, if the temperature value difference is generated, the controller is utilized to start the temperature controller 214, the heater 215 in the temperature controller 214 adjusts the temperature of the oil in a heating or cooling mode of the cooler 216, the heating rod arranged in the heater 215 can heat the oil in a specific temperature adjusting mode, the heating rod can heat the oil through the guide pillar 217, the refrigerant arranged in the cooler 216 can cool, when air contacts with the surface of the cooler 216, a temperature difference exists between the surface of the cooler 216 and the air, according to the principle of heat transfer, the heat of the air is transferred to the refrigerant in the pipe through the surface of the cooler 216, so that the temperature of the air is reduced, then the oil is cooled through the guide pillar 217, so that the oil reaches a set initial temperature value, the oil is not influenced by the temperature, the pressure chip 219 is prevented from causing errors when detecting the oil pressure, the detection precision of the oil pressure sensor is further influenced, the oil inside the oil pressure sensor is enabled to be in a constant temperature state under any environment, the phenomenon of thermal expansion and cold contraction of the oil inside the oil pressure sensor is avoided, and the precision of the oil pressure sensor is influenced by temperature change.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. The utility model provides an oil paper capacitive oil pressure sensor for sleeve, includes oil pressure sensor connector (111), top cap (112), its characterized in that: the outer wall of the oil pressure sensor connector (111) is a threaded end and is used for being installed on an oilpaper capacitive sleeve, and a structural component (2) is arranged between the oil pressure sensor connector (111) and the top cap (112);
the structure assembly (2) comprises a first connecting pipe (211), a second connecting pipe (212) and a conducting column (217), wherein the first connecting pipe (211) is integrally connected with the oil pressure sensor connecting port (111), and the first connecting pipe (211) and the second connecting pipe (212) are in sealing, clamping and assembling;
the first connecting pipe (211) is internally provided with a temperature sensing module (213), and a temperature controller (214) is arranged between the first connecting pipe (211) and the second connecting pipe (212).
2. An oil pressure sensor for an oiled paper capacitive sleeve as defined in claim 1, wherein: and a heater (215) and a cooler (216) which are electrically connected with the temperature sensing module (213) are respectively arranged on two sides of the temperature controller (214).
3. An oil pressure sensor for an oiled paper capacitive sleeve as defined in claim 2, wherein: the inner wall of the first connecting pipe (211) is fixedly provided with a conducting pipe (218).
4. An oil pressure sensor for an oiled paper capacitive sleeve as defined in claim 3, wherein: the outer wall of the conduction pipe (218) is respectively connected with the heater (215) and the cooler (216) through the conduction pole (217).
5. An oil pressure sensor for an oiled paper capacitive sleeve as defined in claim 4, wherein: the end part of the second connecting pipe (212) is fixedly provided with a pressure chip (219).
6. An oil pressure sensor for an oiled paper capacitive sleeve as defined in claim 5, wherein: the top cap (112) is fixedly sleeved on the outer wall of the second connecting pipe (212).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322059091.3U CN219624959U (en) | 2023-08-02 | 2023-08-02 | Oil pressure sensor for oilpaper capacitive sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322059091.3U CN219624959U (en) | 2023-08-02 | 2023-08-02 | Oil pressure sensor for oilpaper capacitive sleeve |
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| Publication Number | Publication Date |
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| CN219624959U true CN219624959U (en) | 2023-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202322059091.3U Active CN219624959U (en) | 2023-08-02 | 2023-08-02 | Oil pressure sensor for oilpaper capacitive sleeve |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117129133A (en) * | 2023-10-27 | 2023-11-28 | 南京中鑫智电科技有限公司 | Online monitoring method and system for high-voltage casing pressure |
| CN117405284A (en) * | 2023-12-15 | 2024-01-16 | 南京中鑫智电科技有限公司 | Pressure early warning method and system for sleeve oil hole plug assembly |
-
2023
- 2023-08-02 CN CN202322059091.3U patent/CN219624959U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117129133A (en) * | 2023-10-27 | 2023-11-28 | 南京中鑫智电科技有限公司 | Online monitoring method and system for high-voltage casing pressure |
| CN117129133B (en) * | 2023-10-27 | 2024-01-02 | 南京中鑫智电科技有限公司 | Online monitoring method and system for high-voltage casing pressure |
| CN117405284A (en) * | 2023-12-15 | 2024-01-16 | 南京中鑫智电科技有限公司 | Pressure early warning method and system for sleeve oil hole plug assembly |
| CN117405284B (en) * | 2023-12-15 | 2024-03-01 | 南京中鑫智电科技有限公司 | Pressure early warning method and system for sleeve oil hole plug assembly |
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