CN110600227B - Automatic protection device for internal circuit of transformer - Google Patents
Automatic protection device for internal circuit of transformer Download PDFInfo
- Publication number
- CN110600227B CN110600227B CN201911077503.8A CN201911077503A CN110600227B CN 110600227 B CN110600227 B CN 110600227B CN 201911077503 A CN201911077503 A CN 201911077503A CN 110600227 B CN110600227 B CN 110600227B
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/085—Cooling by ambient air
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/22—Cooling by heat conduction through solid or powdered fillings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Housings And Mounting Of Transformers (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
- Transformer Cooling (AREA)
Abstract
The invention discloses an automatic protection device for a circuit in a transformer, which comprises a transformer box body, wherein four support columns are arranged at the lower end of the transformer box body in an array mode, a transformer base is fixedly arranged at the lower ends of the support columns, a voltage transformation cavity is arranged in the transformer box body, and four iron core support columns are arranged in the lower wall of the voltage transformation cavity in an array mode.
Description
Technical Field
The invention relates to the field of protection of electrical circuit devices, in particular to an automatic protection device for an internal circuit of a transformer.
Background
With the development of electrification, electrical equipment becomes essential working equipment in production and life of people, and the normal operation of the electrical equipment is required, so that a transformer cannot be separated, the transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, main components are a primary coil, a secondary coil and an iron core, and the main functions of the transformer are as follows: voltage transformation, current transformation, impedance transformation, isolation, steady voltage etc. however when the transformer transships or meets with the thunderbolt, other faults such as coil short circuit just appear easily, and then cause the conflagration, seriously harm environmental safety, and present transformer circuit does not be equipped with automatic protection and extinguishing device, and then when the conflagration takes place, can't put out a fire the processing to the transformer the very first time, consequently, it is necessary very much to provide a reasonable in design, easy and simple to handle, can carry out automatic protection's device to transformer circuit.
Disclosure of Invention
The technical problem is as follows: today's transformer lines are not equipped with automatic protection and fire extinguishing devices, and furthermore when a fire breaks out, the transformer cannot be put out a fire for the first time.
The automatic protection device comprises a transformer box body, wherein four support columns are arranged at the lower end of the transformer box body in an array mode, a transformer base is fixedly arranged at the lower end of each support column, a voltage transformation cavity is arranged in the transformer box body, four iron core support columns are arranged in the lower wall of the voltage transformation cavity in an array mode, an iron core is fixedly arranged at the upper end of each iron core support column, two groups of power transmission lines are wound on the iron core, two electromagnetic switches are symmetrically arranged on the power transmission lines in a bilateral mode and can be started when the power transmission lines are overloaded or short-circuited to further disconnect a power transmission line protection circuit, a transformer heat dissipation mechanism is arranged in the voltage transformation cavity and can conduct heat dissipation treatment on the interior of the voltage transformation cavity to further prevent fire disasters caused by continuous high temperature in the transformer box body, the transformer box comprises a transformer box body, a transformer box body and a transformer, wherein waterproof covers are fixedly arranged in the right wall and the upper wall of the transformer box body, nine radiating fins are respectively arranged on the right wall and the upper wall of the transformer box body in an array mode, the radiating fins can improve the heat radiating efficiency in the inner portion of a variable pressure cavity, two groups of supporting rods are arranged in the front and back array mode on the upper wall of the transformer box body, fire extinguishing tanks are fixedly arranged on the supporting rods, transformer extinguishing devices are arranged in the fire extinguishing tanks and can conduct fire extinguishing treatment on the transformer box body, high-pressure pump cavities are arranged in the transformer extinguishing devices, high-pressure pumps are fixedly arranged in the high-pressure pump cavities and are electrically connected with electric wires in an up-down symmetrical mode, temperature smoke sensors are symmetrically arranged on the upper wall of the variable pressure cavity in the left-right mode, the upper ends, and when a fire occurs in the variable pressure cavity, the temperature smoke sensor can immediately start the transformer fire extinguishing device through the electric wire.
The transformer heat dissipation mechanism comprises a heat dissipation motor fixedly arranged on the lower wall surface of the variable pressure cavity, a power shaft is arranged on the heat dissipation motor in a power connection mode, a first belt wheel is fixedly arranged on the power shaft, a belt is connected to the first belt wheel, a second belt wheel is connected to the upper end of the belt, a fan shaft is fixedly arranged on the axis of the second belt wheel, the fan shaft is rotatably arranged in the left wall of the variable pressure cavity, and a fan is fixedly arranged at the right end of the fan shaft.
Wherein the electromagnetic switch comprises a control motor fixedly arranged on the lower wall surface of the electromagnetic switch, a transmission shaft is arranged on the control motor in a power connection manner, a first bevel gear is fixedly arranged on the transmission shaft, a second bevel gear is arranged on the first bevel gear in a meshing connection manner, a first positioning shaft is fixedly arranged on the center of the second bevel gear, the first positioning shaft is rotatably arranged in the front wall and the rear wall of the electromagnetic switch, a third belt wheel is fixedly arranged on the first positioning shaft, the third belt wheel is positioned at the front end of the second bevel gear, a second belt is connected onto the third belt wheel, a fourth belt wheel is connected at the right end of the second belt, a second positioning shaft is fixedly arranged on the center of the fourth belt wheel, the second positioning shaft is rotatably arranged in the front wall and the rear wall of the electromagnetic switch, a limiting conductive rod is fixedly arranged on the second positioning shaft, and the limiting conductive rod is positioned at the rear end of the fourth belt wheel, the electromagnetic switch is characterized in that a stop block is arranged at the lower end of the limiting conducting rod, a fixed block is fixedly arranged in the electromagnetic switch, a fixed conducting rod is fixedly arranged at the lower end of the fixed block, a rotatable positioning pin is arranged on the fixed conducting rod, a rotating conducting rod is fixedly arranged on the positioning pin, a spring is elastically connected to the right end of the rotating conducting rod, the right end of the spring is fixedly connected with the fixed block, the upper end of the rotating conducting rod is in contact connection with the limiting conducting rod, the lower end of the fixed conducting rod is fixedly connected with the power transmission line, and the upper end of the limiting.
The transformer fire extinguishing device comprises a high-pressure pump fixedly arranged in a high-pressure pump cavity, a left pipeline is communicated with the left end of the high-pressure pump, a gas tank is communicated with the left end of the left pipeline, a right pipeline is communicated with the right end of the high-pressure pump, a dry powder tank is communicated with the right end of the right pipeline, a dry powder pipeline is communicated with the right end of the dry powder tank, four dry powder injection valves are arranged at the lower end of the dry powder pipeline in an array mode, and the dry powder injection valves can inject dry powder to the transformer box body.
Beneficially, a valve sliding block capable of sliding up and down is arranged in the dry powder injection valve, a valve spring is arranged at the lower end of the valve sliding block in an elastic connection mode, the lower end of the valve spring is fixedly connected with the dry powder injection valve, and valve pipelines are symmetrically arranged in the dry powder injection valve in a left-right mode.
The invention has the beneficial effects that: the transformer fire extinguishing protection device is simple in structure, convenient to maintain and convenient to use, heat can be continuously dissipated inside the transformer through the built-in heat dissipation device, the probability of fire is further reduced, meanwhile, the built-in fire extinguishing device and the circuit protection structure can quickly conduct fire extinguishing protection treatment on the transformer when the transformer is in fire, fire can be quickly extinguished, and larger disasters can be prevented.
Drawings
For ease of illustration, the invention is described in detail by the following specific examples and figures.
Fig. 1 is a schematic diagram of an overall structure of an automatic protection device for an internal circuit of a transformer according to the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is an enlarged schematic view of the "A" structure of FIG. 1;
fig. 4 is an enlarged schematic view of the "B" structure of fig. 1.
Detailed Description
The invention will now be described in detail with reference to fig. 1-4, for ease of description, the orientations described below will now be defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to an automatic protection device for an internal circuit of a transformer, which is mainly applied to the field of protection of electrical circuit devices, and the invention is further explained by combining the attached drawings of the invention:
the invention relates to an automatic protection device for an internal circuit of a transformer, which comprises a transformer box body 11, wherein four support columns 19 are arranged at the lower end of the transformer box body 11 in an array manner, a transformer base 21 is fixedly arranged at the lower end of each support column 19, a voltage transformation cavity 100 is arranged in the transformer box body 11, four iron core support columns 41 are arranged in the lower wall of the voltage transformation cavity 100 in an array manner, an iron core 24 is fixedly arranged at the upper end of each iron core support column 41, two groups of power transmission lines 25 are wound on the iron core 24, two electromagnetic switches 39 are symmetrically arranged on the power transmission lines 25 in a left-right manner, the electromagnetic switches 39 can be started when the power transmission lines 25 are overloaded or short-circuited to further disconnect a protection circuit of the power transmission lines 25, a transformer heat dissipation mechanism 101 is arranged in the voltage transformation cavity 100, the transformer heat dissipation mechanism 101 can perform heat dissipation treatment on, the transformer box comprises a transformer box body 11, a waterproof cover 23 is fixedly arranged in the right wall and the upper wall of the transformer box body 11, nine radiating fins 22 are respectively arranged on the right wall and the upper wall of the transformer box body 11 in an array mode, the radiating fins 22 can improve the radiating efficiency in the transformer cavity 100, two groups of supporting rods 29 are arranged in the front and back array mode on the upper wall of the transformer box body 11, a fire extinguishing tank 31 is fixedly arranged on each supporting rod 29, a transformer fire extinguishing device 201 is arranged in each fire extinguishing tank 31, the transformer fire extinguishing device 201 can conduct fire extinguishing treatment on the transformer box body 11, a high-pressure pump cavity 61 is arranged in each transformer fire extinguishing device 201, a high-pressure pump 34 is fixedly arranged in each high-pressure pump cavity 61, the high-pressure pumps 34 are electrically connected and are provided with electric wires 28 in an up-and-down symmetrical mode, temperature smoke sensors 27 are symmetrically, the temperature smoke sensor 27 may detect the internal temperature and smoke content of the pressure chamber 100, and when a fire occurs inside the pressure chamber 100, the temperature smoke sensor 27 may immediately start the transformer fire extinguishing apparatus 201 through the electric wire 28.
According to an embodiment, the transformer heat dissipation mechanism 101 is described in detail below, where the transformer heat dissipation mechanism 101 includes a heat dissipation motor 18 fixedly disposed on a lower wall surface of the variable pressure chamber 100, the heat dissipation motor 18 is connected to a power shaft 17 in a power manner, the power shaft 17 is fixedly disposed with a first pulley 16, the first pulley 16 is connected to a belt 15, an upper end of the belt 15 is connected to a second pulley 13, an axis of the second pulley 13 is fixedly disposed with a fan shaft 12, the fan shaft 12 is rotatably disposed in a left wall of the variable pressure chamber 100, and a right end of the fan shaft 12 is fixedly disposed with a fan 14.
According to the embodiment, the electromagnetic switch 39 is described in detail below, the electromagnetic switch 39 includes a control motor 42 fixedly disposed on a lower wall surface of the electromagnetic switch 39, the control motor 42 is provided with a transmission shaft 43 in a power connection manner, the transmission shaft 43 is fixedly provided with a first bevel gear 44, the first bevel gear 44 is provided with a second bevel gear 45 in a meshing connection manner, a first positioning shaft 47 is fixedly provided at an axis of the second bevel gear 45, the first positioning shaft 47 is rotatably disposed in a front and rear wall of the electromagnetic switch 39, the first positioning shaft 47 is fixedly provided with a third pulley 46, the third pulley 46 is located at a front end of the second bevel gear 45, the third pulley 46 is connected with a second belt 48, a fourth pulley 49 is connected to a right end of the second belt 48, a second positioning shaft 51 is fixedly provided at an axis of the fourth pulley 49, the second positioning shaft 51 is rotatably disposed in the front and rear wall of the electromagnetic switch 39, a limiting conductive rod 52 is fixedly arranged on the second positioning shaft 51, the limiting conductive rod 52 is located at the rear end of the fourth pulley 49, a stop block is arranged at the lower end of the limiting conductive rod 52, a fixed block 62 is fixedly arranged in the electromagnetic switch 39, a fixed conductive rod 55 is fixedly arranged at the lower end of the fixed block 62, a rotatable positioning pin 54 is arranged on the fixed conductive rod 55, a rotating conductive rod 53 is fixedly arranged on the positioning pin 54, a spring 56 is elastically connected to the right end of the rotating conductive rod 53, the right end of the spring 56 is fixedly connected with the fixed block 62, the upper end of the rotating conductive rod 53 is in contact connection with the limiting conductive rod 52, the lower end of the fixed conductive rod 55 is fixedly connected with the power transmission line 25, and the upper end of the limiting conductive rod 52 is fixedly connected with.
According to an embodiment, the transformer fire extinguishing apparatus 201 is described in detail below, the transformer fire extinguishing apparatus 201 includes the high-pressure pump 34 fixedly disposed in the high-pressure pump chamber 61, a left pipeline 36 is disposed at a left end of the high-pressure pump 34 in a communicating manner, an air tank 32 is disposed at a left end of the left pipeline 36 in a communicating manner, a right pipeline 35 is disposed at a right end of the high-pressure pump 34 in a communicating manner, a dry powder tank 33 is disposed at a right end of the right pipeline 35 in a communicating manner, a dry powder pipeline 37 is disposed at a right end of the dry powder tank 33 in a communicating manner, four dry powder injection valves 38 are disposed in an array at a lower end of the dry powder pipeline 37.
Beneficially, a valve sliding block 57 capable of sliding up and down is arranged in the dry powder injection valve 38, a valve spring 58 is elastically connected to the lower end of the valve sliding block 57, the lower end of the valve spring 58 is fixedly connected with the dry powder injection valve 38, and valve pipelines 59 are symmetrically arranged in the dry powder injection valve 38 from left to right.
The following describes in detail the use steps of the automatic protection device for internal circuit of transformer in the present document with reference to fig. 1 to 4: in an initial state, the heat dissipation motor 18 is started, the heat dissipation motor 18 drives the power shaft 17 to rotate, the power shaft 17 drives the fan shaft 12 to rotate through the first belt pulley 16, the belt 15 and the second belt pulley 13, the fan shaft 12 drives the fan 14 to rotate, the fan 14 further dissipates heat inside the variable-pressure cavity 100, the temperature and smoke sensor 27 is started and continuously monitors the inside of the variable-pressure cavity 100, the high-pressure pump 34 is not started, the control motor 42 is not started, and the rotating conductive rod 53 is in contact connection with the limiting conductive rod 52;
when the transformer is in a fault situation, the control motor 42 is started, the control motor 42 drives the transmission shaft 43 to rotate, the transmission shaft 43 drives the first positioning shaft 47 to rotate through the first bevel gear 44 and the second bevel gear 45, the first positioning shaft 47 drives the second positioning shaft 51 to rotate through the third belt pulley 46, the second belt pulley 48 and the fourth belt pulley 49, the second positioning shaft 51 drives the limiting conductive rod 52 to rotate, so that the limiting conductive rod 52 is separated from the rotating conductive rod 53, the rotating conductive rod 53 rotates towards the left end under the action of the elastic force of the spring 56, so that the power line 25 is powered off, when the temperature smoke sensor 27 detects that the temperature inside the pressure change cavity 100 rises and smoke is generated, the temperature smoke sensor 27 starts the high-pressure pump 34 through the electric wire 28, the high-pressure pump 34 pumps the gas in the dry powder tank 32 into the dry powder tank 33 through the left pipeline 36 and the right pipeline 35, so that the dry powder in the dry powder tank 33 is high-pressure pushed into the dry powder injection valve 38 through, at this time, the dry powder pushes the valve sliding block 57 to slide downwards, so that the valve pipeline 59 is communicated with the dry powder pipeline 37, the dry powder is sprayed out, and then the fire extinguishing treatment is performed on the transformer box body 11.
The invention has the beneficial effects that: the transformer fire extinguishing protection device is simple in structure, convenient to maintain and convenient to use, heat can be continuously dissipated inside the transformer through the built-in heat dissipation device, the probability of fire is further reduced, meanwhile, the built-in fire extinguishing device and the circuit protection structure can quickly conduct fire extinguishing protection treatment on the transformer when the transformer is in fire, fire can be quickly extinguished, and larger disasters can be prevented.
The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.
Claims (3)
1. The automatic protection device for the internal circuit of the transformer comprises a transformer box body, wherein four support columns are arranged at the lower end of the transformer box body in an array mode, and a transformer base is fixedly arranged at the lower ends of the support columns;
a voltage transformation cavity is arranged in the transformer box body, four iron core supporting columns are arranged in the lower wall of the voltage transformation cavity in an array mode, an iron core is fixedly arranged at the upper end of each iron core supporting column, two groups of power transmission lines are wound on the iron core, two electromagnetic switches are symmetrically arranged on the power transmission lines in the left-right mode, and the electromagnetic switches can be started when the power transmission lines are overloaded or short-circuited, so that the power transmission line protection circuit is disconnected;
a transformer heat dissipation mechanism is arranged in the transformer cavity and can perform heat dissipation treatment on the interior of the transformer cavity so as to prevent fire caused by continuous high temperature in the transformer box body, waterproof covers are fixedly arranged in the right wall and the upper wall of the transformer box body, nine heat dissipation fins are respectively arranged on the right wall and the upper wall of the transformer box body in an array mode and can improve the heat dissipation efficiency in the transformer cavity;
the transformer fire extinguishing device is characterized in that two groups of support rods are arranged on the front wall and the rear wall of the upper wall of the transformer box body in an arrayed mode, a fire extinguishing tank is fixedly arranged on each support rod, a transformer fire extinguishing device is arranged in each fire extinguishing tank, the transformer fire extinguishing device can perform fire extinguishing treatment on the transformer box body, a high-pressure pump cavity is arranged in each transformer fire extinguishing device, a high-pressure pump is fixedly arranged in each high-pressure pump cavity, the high-pressure pumps are electrically connected and provided with electric wires in an up-down symmetrical mode, the upper wall of each variable pressure cavity is provided with temperature smoke sensors in a bilateral symmetrical mode, the upper ends of the temperature smoke sensors are electrically connected with the electric wires, the temperature smoke sensors can detect the internal temperature and smoke content of the variable pressure cavity, and then when fire occurs;
the transformer heat dissipation mechanism comprises a heat dissipation motor fixedly arranged on the lower wall surface of the variable pressure cavity, a power shaft is connected to the heat dissipation motor in a power connection mode, a first belt wheel is fixedly arranged on the power shaft, a belt is connected to the first belt wheel, a second belt wheel is connected to the upper end of the belt, a fan shaft is fixedly arranged on the axis of the second belt wheel, the fan shaft is rotatably arranged in the left wall of the variable pressure cavity, and a fan is fixedly arranged at the right end of the fan shaft;
the electromagnetic switch comprises a control motor fixedly arranged on the lower wall surface of the electromagnetic switch, a transmission shaft is arranged on the control motor in a power connection mode, a first bevel gear is fixedly arranged on the transmission shaft, a second bevel gear is arranged on the first bevel gear in a meshing connection mode, a first positioning shaft is fixedly arranged on the center of the second bevel gear, the first positioning shaft is rotatably arranged in the front wall and the rear wall of the electromagnetic switch, a third belt wheel is fixedly arranged on the first positioning shaft and positioned at the front end of the second bevel gear, a second belt is connected onto the third belt wheel, and a fourth belt wheel is connected to the right end of the second belt;
the fourth belt pulley axle center sets firmly the second location axle, the rotatable locating of second location axle is in the electromagnetic switch front and back wall, set firmly spacing conducting rod on the second location axle, spacing conducting rod is located the fourth band pulley rear end, spacing conducting rod lower extreme is equipped with the dog, the electromagnetic switch internal fixation has the fixed block, the fixed block lower extreme sets firmly fixed conducting rod, be equipped with rotatable locating pin on the fixed conducting rod, set firmly on the locating pin and rotate the conducting rod, it is equipped with the spring to rotate the elastic connection of conducting rod right-hand member, the spring right-hand member links firmly with the fixed block, rotate the conducting rod upper end with spacing conducting rod contact connection, fixed conducting rod lower extreme links firmly with the power transmission line, spacing conducting rod upper end links firmly with the power transmission line.
2. The automatic protection device for the internal circuit of the transformer according to claim 1, wherein: the transformer fire extinguishing device comprises a high-pressure pump fixedly arranged in a high-pressure pump cavity, a left pipeline is communicated with the left end of the high-pressure pump, a gas tank is communicated with the left end of the left pipeline, a right pipeline is communicated with the right end of the high-pressure pump, a dry powder tank is communicated with the right end of the right pipeline, a dry powder pipeline is communicated with the right end of the dry powder tank, four dry powder injection valves are arranged at the lower end of the dry powder pipeline in an array mode, and the dry powder injection valves can inject dry powder to the transformer box body.
3. The automatic protection device for the internal circuit of the transformer according to claim 2, wherein: the dry powder injection valve is characterized in that a valve sliding block capable of sliding up and down is arranged in the dry powder injection valve, a valve spring is arranged at the lower end of the valve sliding block in an elastic connection mode, the lower end of the valve spring is fixedly connected with the dry powder injection valve, and valve pipelines are symmetrically arranged in the dry powder injection valve in a left-right mode.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911077503.8A CN110600227B (en) | 2019-11-06 | 2019-11-06 | Automatic protection device for internal circuit of transformer |
| JP2020024735A JP2021077845A (en) | 2019-11-06 | 2020-02-17 | Automatic protection device to internal electric path of power transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911077503.8A CN110600227B (en) | 2019-11-06 | 2019-11-06 | Automatic protection device for internal circuit of transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110600227A CN110600227A (en) | 2019-12-20 |
| CN110600227B true CN110600227B (en) | 2020-06-02 |
Family
ID=68852342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911077503.8A Active CN110600227B (en) | 2019-11-06 | 2019-11-06 | Automatic protection device for internal circuit of transformer |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2021077845A (en) |
| CN (1) | CN110600227B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111068209B (en) * | 2020-01-07 | 2020-12-22 | 扬州瑞顺投资咨询有限公司 | Short-circuit open fire prevention foam covering device |
| CN111252086B (en) * | 2020-02-20 | 2020-10-30 | 湖南工程学院 | Vehicle high voltage equipment safety arrangement of easily installing |
| CN111544801B (en) * | 2020-05-16 | 2021-04-16 | 北京博纳菲德科技有限公司 | Automatic fire extinguishing device suitable for electrical equipment |
| CN113314339A (en) * | 2021-05-27 | 2021-08-27 | 李磊 | Shockproof dry-type transformer |
| CN113808809B (en) * | 2021-09-13 | 2023-09-05 | 国网安徽省电力有限公司天长市供电公司 | Protective device for power grid transformer |
| CN113926114A (en) * | 2021-10-25 | 2022-01-14 | 国家电网有限公司 | Fire extinguishing system of main transformer |
| CN114191748B (en) * | 2021-11-30 | 2022-11-15 | 北京送变电有限公司 | High-altitude transformer with automatic fire early warning and fire extinguishing functions |
| CN114203421B (en) * | 2021-11-30 | 2024-06-18 | 胜利油田华滨福利机电有限责任公司 | Oil immersed transformer of fire-retardant outage of control by temperature change formula gas |
| CN114242393B (en) * | 2021-12-31 | 2023-12-15 | 山东泰莱电气股份有限公司 | Intelligent transformer with heat dissipation function |
| CN115253125A (en) * | 2022-09-20 | 2022-11-01 | 江苏伟正电气科技有限公司 | Transformer fault protection real-time monitoring system |
| CN117316590B (en) * | 2023-11-01 | 2024-04-30 | 浙江征西电气集团有限公司 | Photovoltaic box-type transformer |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1664967A (en) * | 2004-03-02 | 2005-09-07 | 株式会社日立制作所 | Static transformer device |
| EP1703616A1 (en) * | 2005-03-15 | 2006-09-20 | Bosch Rexroth AG | Protection device for electric motor |
| CN108766730A (en) * | 2018-05-25 | 2018-11-06 | 肇庆中能创智信息科技有限公司 | A kind of novel and multifunctional electric power electric transformer |
-
2019
- 2019-11-06 CN CN201911077503.8A patent/CN110600227B/en active Active
-
2020
- 2020-02-17 JP JP2020024735A patent/JP2021077845A/en not_active Ceased
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1664967A (en) * | 2004-03-02 | 2005-09-07 | 株式会社日立制作所 | Static transformer device |
| EP1703616A1 (en) * | 2005-03-15 | 2006-09-20 | Bosch Rexroth AG | Protection device for electric motor |
| CN108766730A (en) * | 2018-05-25 | 2018-11-06 | 肇庆中能创智信息科技有限公司 | A kind of novel and multifunctional electric power electric transformer |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2021077845A (en) | 2021-05-20 |
| CN110600227A (en) | 2019-12-20 |
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