CN217239230U - Transformer with gas collection box - Google Patents

Transformer with gas collection box Download PDF

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Publication number
CN217239230U
CN217239230U CN202122653320.5U CN202122653320U CN217239230U CN 217239230 U CN217239230 U CN 217239230U CN 202122653320 U CN202122653320 U CN 202122653320U CN 217239230 U CN217239230 U CN 217239230U
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China
Prior art keywords
gas
gas collecting
module
transformer
chamber
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CN202122653320.5U
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Chinese (zh)
Inventor
王能
周彪
刘新
徐勇军
朱建增
程果
马越
吕红峰
任华
徐文韬
高寅
金涛
俞建新
滕华繁
杨振涛
施月丹
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Jinhua Power Transmission And Distribution Engineering Co ltd
Jinhua Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Original Assignee
Jinhua Power Transmission And Distribution Engineering Co ltd
Jinhua Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
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Application filed by Jinhua Power Transmission And Distribution Engineering Co ltd, Jinhua Power Supply Co of State Grid Zhejiang Electric Power Co Ltd filed Critical Jinhua Power Transmission And Distribution Engineering Co ltd
Priority to CN202122653320.5U priority Critical patent/CN217239230U/en
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Abstract

The utility model relates to a transformer with gas collecting box, the transformer is provided with an oil tank, the oil tank is connected with the gas collecting box, the gas collecting box is provided with a first gas collecting chamber, a second gas collecting chamber and a control module, an air extracting module is arranged between the first gas collecting chamber and the second gas collecting chamber, the air extracting module is respectively communicated with the first gas collecting chamber and the second gas collecting chamber, the air extracting module extracts the gas in the first gas collecting chamber into the second gas collecting chamber, the first gas collecting chamber is connected with a pressure detecting module, the pressure detecting module is provided with an alarm device, the second gas collecting chamber is provided with a telescopic piston, the second gas collecting chamber is connected with a gas detecting sensor for detection, the second gas collecting chamber is provided with a vent valve for exhaust, and the control module is simultaneously connected with the air extracting module, the pressure detecting module and the gas detecting sensor, the service life of the transformer can be prolonged.

Description

Transformer with gas collection box
[ technical field ] A method for producing a semiconductor device
The utility model relates to a transformer with gas collection box belongs to transformer technical field.
[ background of the invention ]
When a circuit in a transformer oil tank breaks down, high-temperature electric arcs generated by short-circuit current of the circuit can cause the decomposition of transformer oil to generate gas, and transformer parts at the electric arcs can be burnt or burnt to generate gas. In addition, leakage from the transformer tank can allow air to enter the transformer tank, and the air can collect at the top of the transformer tank. The space occupied by the transformer oil in the transformer is inevitably occupied by more gas accumulated at the top in the transformer oil tank, so that the transformer oil in the transformer oil tank is reduced. After the transformer oil in the transformer oil tank is reduced or deteriorated, the cooling effect, the insulation effect, the arc extinction effect and the liquid sealing effect of the transformer oil on the transformer can be influenced, and after the transformer oil in the transformer oil tank is reduced or deteriorated seriously, the transformer cannot be well protected in the using process, so that the transformer breaks down.
[ Utility model ] content
The utility model aims to solve the technical problem that a transformer with gas collection box is provided, the life of transformer can be improved.
Solve the technical problem, the utility model discloses a following technical scheme:
a transformer with a gas collecting box is provided with an oil tank in the transformer, the oil tank is connected with the gas collecting box, a first gas collecting chamber, a second gas collecting chamber and a control module are arranged in the gas collecting box, the first gas collecting chamber is communicated with the inside of the transformer, a gas extracting module is arranged between the first gas collecting chamber and the second gas collecting chamber and is respectively communicated with the first gas collecting chamber and the second gas collecting chamber, the gas in the first gas collecting chamber is extracted into the second gas collecting chamber by the gas extracting module, the first gas collecting chamber is connected with a pressure detection module, an alarm device is arranged in the pressure detection module, a telescopic piston is arranged in the second gas collecting chamber, the second gas collecting chamber is connected with a gas detection sensor for detection, a discharge valve for discharging gas is arranged in the second gas collecting chamber, and the control module is simultaneously connected with the gas extracting module, the gas collecting chamber and the control module, The pressure detection module is connected with the gas detection sensor.
Adopt the beneficial effects of the utility model are that:
in the utility model, an oil tank is arranged in the transformer, a gas collecting box is arranged on the oil tank, a first gas collecting chamber, a second gas collecting chamber, an air exhaust module, a control module, a gas detection sensor and a pressure detection module are arranged in the gas collecting box, the first gas collecting chamber is communicated with the oil tank, the first gas collecting chamber is communicated with the second gas collecting chamber through the air exhaust module, the pressure detection module is connected with the first gas collecting chamber, the gas detection sensor is communicated with the second gas collecting chamber, the pressure in the first gas collecting chamber is detected through the pressure detection module, when the gas pressure value in the first gas collecting chamber reaches an early warning value, an alarm device in the pressure detection module sends out early warning information and transmits the early warning information to the control module, the control module controls the air exhaust module to be started, the air exhaust module pumps the gas in the first gas collecting chamber into the second gas collecting chamber, the air extraction module can timely extract the gas in the oil tank, reduce the space occupied by the gas, avoid the reduction or deterioration of transformer oil in the transformer oil tank, play a good role in protecting the transformer, reduce the possibility of transformer failure and prolong the service life of the transformer.
Additionally, the utility model discloses in gaseous detection sensor is installed on the second gas collecting chamber, gaseous detection sensor is used for detecting the indoor gas composition of second gas collecting, the module of bleeding is with the indoor gas suction of first gas collecting to the second gas collecting in, gaseous detection sensor detects the indoor gas composition of second gas collecting to send control module with the result after detecting, the staff can be according to testing result rapid analysis play the reason that the transformer goes wrong, so that the staff can get rid of the trouble fast, improves staff's maintenance efficiency.
Preferably, the telescopic piston comprises a spring and a piston, the outer side of the piston is attached to an inner cavity of the second air collection chamber, the piston divides the inner cavity into a first cavity and a second cavity, two ends of the spring are respectively connected with the piston and the inner wall of the second air collection chamber, and the spring is located in the second cavity.
Preferably, the exhaust valve is located in the first cavity, the exhaust valve is an electromagnetic exhaust valve, the control module is connected with the electromagnetic exhaust valve, and the control module controls the electromagnetic exhaust valve to be opened and closed.
Preferably, the gas detection sensor includes a detection end, the detection end being within the first chamber.
Preferably, the gas collection box is further provided with a battery module, the battery module and the control module are respectively fixed on two sides of the second gas collection chamber, and the battery is electrically connected with the control module.
Preferably, the gas collecting box is further provided with a communication module, the communication module is arranged at the top of the second gas collecting chamber, and the communication module is in communication connection with the control module.
Preferably, the air exhaust module is installed on the upper side of the first air collection chamber, the second air collection chamber is installed on the upper side of the air exhaust module, and the exhaust valve is located on one side, close to the air exhaust module, of the second air collection chamber.
Preferably, the first air collection chamber is provided with a communication end, and the first air collection chamber is communicated with the interior of the transformer through the communication end.
Preferably, the pressure detection module comprises a pressure gauge and a temperature sensor, the pressure gauge is arranged in the first gas collecting chamber, and the temperature sensor is arranged in the oil tank.
Preferably, the first gas collection chamber is internally provided on the side surface of the oil tank, transformer oil is filled in the first gas collection chamber, the pressure detection module is a liquid level meter, the liquid level meter is provided with a preset value, the liquid level meter detects the liquid level in the first gas collection chamber, and the alarm device sends out early warning information when the liquid level is lower than the preset value.
Other features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.
[ description of the drawings ]
The invention is further described with reference to the accompanying drawings:
fig. 1 is a schematic structural diagram of an oil tank and a gas collecting box in embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of a transformer in embodiment 1 of the present invention.
Reference numerals are as follows: the gas collecting box comprises a transformer 1, an oil tank 2, a gas collecting box 3, a first gas collecting chamber 31, a gas extracting module 32, a second gas collecting chamber 33, a 331 telescopic piston, a 34 gas detection sensor, a 35 pressure detection module and a 36 control module.
[ detailed description ] A
The technical solutions of the embodiments of the present invention are explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
Example 1:
as shown in fig. 1 and fig. 2, in this embodiment, a transformer 1 with a gas collection box 3 is shown, an oil tank 2 is arranged in the transformer 1, the oil tank 2 is connected to the gas collection box 3, a first gas collection chamber 31, a second gas collection chamber 33 and a control module 36 are arranged in the gas collection box 3, the first gas collection chamber 31 is provided with a communication end, the first gas collection chamber is communicated with the inside of the transformer 1 through the communication end, an air extraction module 32 is arranged between the first gas collection chamber 31 and the second gas collection chamber 33, the air extraction module 32 is respectively communicated with the first gas collection chamber 31 and the second gas collection chamber 33, the air extraction module 32 includes a vacuum pump, the air in the first gas collection chamber 31 is extracted into the second gas collection chamber 33 through the vacuum pump, in this embodiment, the air extraction module 32 is installed on the upper side of the first gas collection chamber 31, a filter screen is arranged at a connection position of the air extraction module 32 and the first gas collection chamber 31, the filter screen can filter transformer oil to prevent the transformer oil from entering the second air collection chamber 33, the second air collection chamber 33 is installed on the upper side of the air extraction module 32, the second air collection chamber 33 is detachably connected with the air extraction module 32, a gas valve is arranged at the connection end of the second air collection chamber 33 and the air extraction module 32, the gas valve can prevent gas in the second air collection chamber 33 from leaking after the second air collection chamber 33 is detached, so that the gas in the second air collection chamber 33 can be further detected, and the air extraction module 32 pumps the gas in the first air collection chamber 31 into the second air collection chamber 33.
In this embodiment, a pressure detection module 35 is installed on the first gas collection chamber 31, an alarm device is installed in the pressure detection module 35, the pressure detection module 35 in this embodiment is a pressure gauge, the pressure gauge detects the gas pressure in the first gas collection chamber 31, when the gas pressure in the first gas collection chamber 31 exceeds a preset value, the alarm device sends out pressure early warning information and outputs the early warning information to the control module 36, in addition, the pressure detection module 35 in this embodiment is further provided with a temperature sensor, the temperature sensor comprises a temperature measurement end, the temperature measurement end is arranged in the oil tank 2, the temperature sensor is used for detecting the temperature of the transformer oil in the oil tank 2 and sending temperature data to the control module 36, when the transformer 1 is stored in the control module 36 in a normal state and at different temperatures, and determining whether the first gas collection chamber 31 meets the condition that the gas extraction module 32 extracts gas according to the comparison result between the gas pressure value and the actual gas pressure value detected by the pressure detection module 35, wherein when the actual gas pressure value in the first gas collection chamber 31 reaches the condition that the gas extraction module 32 extracts gas, the control module 36 sends an air extraction instruction to the gas extraction module 32, and the gas extraction module 32 starts to extract the gas in the first gas collection chamber 31 into the second gas collection chamber 33.
The gas detection device is characterized in that a telescopic piston 331 is arranged in the second gas collection chamber 33, the telescopic piston 331 comprises a spring and a piston, the outer side of the piston is attached to the inner cavity of the second gas collection chamber 33, the inner cavity of the second gas collection chamber 33 is a cuboid, a soft material is arranged on the side surface of the piston contacting with the inner cavity, the attachment effect of the inner cavity and the piston is increased through the soft material, the piston divides the inner cavity into a first cavity and a second cavity, the two ends of the spring are respectively connected with the inner walls of the piston and the second gas collection chamber 33, the spring is arranged in the second cavity, the second gas collection chamber 33 is connected with a gas detection sensor 34 for detection, the detection sensor comprises a detection end, the detection end is arranged in the first cavity, the gas detection sensor 34 automatically detects 9 gas contents such as H2, CO2, CH4, C2H6, C2H4, C2H2, O2 and N2, the data of the gas content is sent to a control module 36 as gas detection information, an exhaust valve for exhausting is arranged in the second gas collection chamber 33, the exhaust valve is located on the inner wall of the first chamber, and the control module 36 is connected with the gas extraction module 32, the pressure detection module 35 and the gas detection sensor 34 at the same time.
In this embodiment, the exhaust valve is an electromagnetic exhaust valve, the control module 36 is connected to the electromagnetic exhaust valve, and the electromagnetic exhaust valve is opened or closed according to an instruction of the control module 36, but in other embodiments, the exhaust valve may also be a manual valve, and a worker may manually remove the gas in the second gas collecting chamber 33 through a switch of the manual valve.
In this embodiment, the control module 36 is an MCU control device, of course, in other embodiments, the control module 36 may also be a DSP, an SOC, or other control devices capable of executing corresponding operations according to received instructions, the control module 36 is connected to a buchholz relay in the transformer 1, after the control module 36 receives information transmitted by the gas detection sensor 34, the control module 36 controls the buchholz relay to operate to close the transformer 1, where the information transmitted by the gas detection sensor 34 may be information that the concentration of the combustible gas exceeds a preset threshold.
In this embodiment, the gas collection box 3 further includes a communication module, the communication module is an NB-IOT communication module, the communication module is disposed at the top of the second gas collection chamber 33, the communication module is in communication connection with the control module 36, in this embodiment, the control module 36 transmits gas detection information and early warning information through the communication module, in other embodiments, the gas collection box 3 is further provided with a WIFI module or a USB interface, and transmits information detected by the gas collection box to a maintenance worker through the WIFI module or the USB interface.
In this embodiment, the gas collecting box 3 is further provided with a memory and a battery, the memory is in communication connection with the control module 36, the control module 36 stores information such as pressure information acquired by the pressure detection module 35 and temperature data transmitted by the temperature sensor through the memory, the battery and the control module 36 are fixed on different sides of the second gas collecting chamber 33, the battery is electrically connected with the control module 36, and the battery transmits electric energy to other devices in the gas collecting box 3 through the control module 36, which can be understood that in other embodiments, the battery and the control module 36 may also be fixed on different sides or the same side of the first gas collecting chamber 31.
When the transformer 1 is in use, after a circuit in the oil tank 2 fails, high-temperature electric arc generated by short-circuit current of the circuit can cause the transformer oil to be decomposed to generate gas, the gas can be accumulated in the oil tank 2 and the first gas collection chamber 31, when the pressure detection module 35 detects that the air pressure value in the first gas collection chamber 31 exceeds the preset value of the pressure detection module 35, the alarm device of the pressure detection module 35 sends out pressure early warning information and sends the early warning information to the control module 36, the control module 36 controls the air suction module 32 to be started, the air suction module 32 sucks the gas in the first gas collection chamber 31 into the second gas collection chamber 33, the detection end of the gas detection sensor 34 detects the gas component in the inner cavity of the second gas collection chamber 33 and transmits the detection information of the gas component to the control module 36, and when the concentration of combustible gas in the information transmitted by the gas detection sensor 34 exceeds the preset threshold, the control module 36 controls the gas relay to act to close the transformer 1, and after the gas detection sensor 34 detects the gas, the control module 36 controls the exhaust valve to open, and the telescopic piston 331 exhausts the gas in the first cavity from the exhaust valve so as to perform the next detection.
Example 2:
the main differences between this embodiment and embodiment 1 are: in this embodiment, the first air collection chamber 31 is disposed inside the side surface of the oil tank 2, the first air collection chamber 31 is communicated with the oil tank 2, the transformer oil in the oil tank 2 is filled into the first air collection chamber 31, in this embodiment, the pressure detection module 35 is a level gauge, the level gauge is provided with a preset value, the level gauge detects a liquid level in the first air collection chamber 31, and when the liquid level in the first air collection chamber 31 is lower than the preset value, the alarm device sends out early warning information and transmits the early warning information to the control module 36.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the contents described in the drawings and the above specific embodiments. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.

Claims (9)

1. The utility model provides a transformer with gas collection box which characterized in that: an oil tank is arranged in the transformer, the oil tank is connected with a gas collecting box, a first gas collecting chamber, a second gas collecting chamber and a control module are arranged in the gas collecting box, the first gas collecting chamber is communicated with the inside of the transformer, an air extracting module is arranged between the first gas collecting chamber and the second gas collecting chamber and is respectively communicated with the first gas collecting chamber and the second gas collecting chamber, the air extracting module extracts gas in the first gas collecting chamber into the second gas collecting chamber, the first gas collecting chamber is connected with a pressure detection module, an alarm device is arranged in the pressure detection module, a telescopic piston is arranged in the second gas collecting chamber and comprises a spring and a piston, the outer side of the piston is attached to the inner cavity of the second gas collecting chamber, the piston divides the inner cavity into a first cavity and a second cavity, and two ends of the spring are respectively connected with the inner walls of the piston and the second gas collecting chamber, the spring is arranged in the second cavity, the second air collection chamber is connected with a gas detection sensor for detection, an exhaust valve for exhausting is arranged in the second air collection chamber, and the control module is connected with the air exhaust module, the pressure detection module and the gas detection sensor at the same time.
2. The transformer with the gas collecting box as claimed in claim 1, wherein: the exhaust valve is located in the first cavity and is an electromagnetic exhaust valve, the control module is connected with the electromagnetic exhaust valve, and the control module controls the electromagnetic exhaust valve to be opened and closed.
3. The transformer with the gas collecting box as claimed in claim 1, wherein: the gas detection sensor includes a detection end that is within the first chamber.
4. A transformer with a gas collection box according to claim 1, wherein: the gas collection box is also provided with a battery module, the battery module and the control module are respectively fixed on two sides of the second gas collection chamber, and the battery is electrically connected with the control module.
5. The transformer with the gas collecting box as claimed in claim 1, wherein: the gas collection box is further provided with a communication module, the communication module is arranged at the top of the second gas collection chamber, and the communication module is in communication connection with the control module.
6. The transformer with the gas collecting box as claimed in claim 1, wherein: the air exhaust module is installed on the upper side of the first air exhaust chamber, the second air exhaust chamber is installed on the upper side of the air exhaust module, and the exhaust valve is located on one side, close to the air exhaust module, of the second air exhaust chamber.
7. The transformer with the gas collecting box as claimed in claim 1, wherein: the first gas collection chamber is provided with a communicating end, and the first gas collection chamber is communicated with the inside of the transformer through the communicating end.
8. The transformer with the gas collecting box as claimed in claim 1, wherein: the pressure detection module comprises a pressure gauge and a temperature sensor, the pressure gauge is arranged in the first gas collection chamber, and the temperature sensor is arranged in the oil tank.
9. The transformer with the gas collecting box as claimed in claim 1, wherein: the first gas collection chamber is internally provided with the side face of the oil tank, transformer oil is filled in the first gas collection chamber, the pressure detection module is a liquid level meter, the liquid level meter is provided with a preset value, the liquid level meter detects the liquid level in the first gas collection chamber, and when the liquid level is lower than the preset value, the alarm device sends out early warning information.
CN202122653320.5U 2021-11-01 2021-11-01 Transformer with gas collection box Active CN217239230U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122653320.5U CN217239230U (en) 2021-11-01 2021-11-01 Transformer with gas collection box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122653320.5U CN217239230U (en) 2021-11-01 2021-11-01 Transformer with gas collection box

Publications (1)

Publication Number Publication Date
CN217239230U true CN217239230U (en) 2022-08-19

Family

ID=82817235

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122653320.5U Active CN217239230U (en) 2021-11-01 2021-11-01 Transformer with gas collection box

Country Status (1)

Country Link
CN (1) CN217239230U (en)

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