CN112309685A - Automatic heat sink of main transformer - Google Patents
Automatic heat sink of main transformer Download PDFInfo
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- CN112309685A CN112309685A CN202010563132.0A CN202010563132A CN112309685A CN 112309685 A CN112309685 A CN 112309685A CN 202010563132 A CN202010563132 A CN 202010563132A CN 112309685 A CN112309685 A CN 112309685A
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- water
- submersible pump
- automatic
- main transformer
- curtain wall
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 220
- 238000001816 cooling Methods 0.000 claims abstract description 37
- 239000004568 cement Substances 0.000 claims abstract description 30
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052802 copper Inorganic materials 0.000 claims abstract description 14
- 239000010949 copper Substances 0.000 claims abstract description 14
- 238000007667 floating Methods 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 229910000838 Al alloy Inorganic materials 0.000 claims description 10
- 239000008399 tap water Substances 0.000 claims description 8
- 235000020679 tap water Nutrition 0.000 claims description 8
- 238000004804 winding Methods 0.000 claims description 7
- 239000000123 paper Substances 0.000 claims description 6
- 229920001131 Pulp (paper) Polymers 0.000 claims description 3
- 239000002655 kraft paper Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000008234 soft water Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Classifications
-
- 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
- H01F27/10—Liquid cooling
- H01F27/16—Water cooling
-
- 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
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
An automatic cooling device for a main transformer relates to the technical field of transformers. The system comprises a main transformer box body, a cooling infrastructure, an automatic water replenishing system and an automatic temperature control system; the cooling infrastructure comprises a sink pool, a water curtain wall, a fan wall and an insulating top cover; the bottom of the main transformer is fixed above the sink water pool, the water curtain wall and the fan wall are arranged above the cement base, an insulating top cover at the top of a box body of the main transformer is connected with the water curtain wall and the top of the fan wall, a water storage tank containing a first submersible pump is arranged at the bottom of the water curtain wall, a plastic baffle is arranged at the bottom of the fan wall and is in sealing connection with the cement base, the automatic water replenishing system comprises a floating ball, a rotating shaft, a connecting rod, a copper sheet, a contact and an electromagnetic water valve, and the automatic temperature control system comprises a power supply, a temperature control switch group, a submersible pump and a fan.
Description
Technical Field
The invention relates to the technical field of transformers, in particular to an automatic cooling device for a main transformer.
Background
In the prior art, a main transformer is an important part in the operation of a power line, a large amount of heat is often generated in use, and a transformer lacking a cooling measure has a large safety risk and is extremely unfavorable for the operation safety of power. At present, the main transformer is cooled mainly by oil cooling, air cooling and load shedding operation of a dispatching center. The operation practice of the power grid shows that the method is not enough by only depending on the three cooling methods, and the main transformer without auxiliary cooling measures often has spontaneous combustion and spontaneous explosion safety accidents in operation due to the temperature rise, and the subsequent results cannot be imagined.
In the existing auxiliary cooling method, a water pool is simply arranged at the bottom of a main transformer, and due to the fact that a water supplementing facility is lacked, water is often dried and cannot be supplemented in time, so that the water pool is similar to a nominal water pool, or even if the water in the water pool is full, the water temperature of the water pool is quickly increased to be more than 30 ℃ under a high-temperature environment, and then the water pool cannot be cooled greatly. In addition, cold water is directly sprayed on the shell of the transformer box body, but water splash is difficult to avoid splashing to the line end of the main transformer during spraying, so that short circuit is formed at the access ends of high-voltage lines and low-voltage lines of the main transformer, and the shell of the transformer box body is easy to corrode. Because the spraying can only be carried out manually, and an environment temperature monitoring and temperature control adjusting system is lacked, the automatic spraying can not be realized when the environment temperature is increased to a dangerous value, and the spraying can be automatically stopped when the environment temperature is reduced below the dangerous value, and the method also has a plurality of defects.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide an automatic cooling device for a main transformer, which utilizes an automatic cooling device consisting of a temperature control automatic control system, an automatic water replenishing system and a cooling infrastructure to realize timely and automatic cooling of the main transformer when the temperature rises to a dangerous value.
In order to achieve the purpose, the technical scheme of the invention comprises a main transformer box body, a cooling infrastructure, an automatic water replenishing system and an automatic temperature control system;
the cooling infrastructure comprises a sink pool, a water curtain wall, a fan wall and an insulating top cover; the bottom of the main transformer box body is fixed above the sink basin through a cement base II in the sink basin, the periphery of the sink basin is respectively provided with a cement base I, the water curtain wall and the fan wall are fixedly arranged above the cement base I through an aluminum alloy frame, and an insulating top cover at the top of the main transformer box body is connected with the tops of the water curtain wall and the fan wall at the periphery; the bottom of the water curtain wall is provided with a water storage tank, a first submersible pump is arranged in the water storage tank, the first submersible pump conveys water in the water storage tank into a water guide tank at the top of the water curtain wall through a flexible water pipe, and the bottom of the water guide tank is connected with the water curtain wall through a water guide hole; the fan wall is composed of a fan, the fan is fixed on the aluminum alloy frame through a fan frame, and a plastic baffle plate is arranged at the bottom of the fan wall and is in sealing connection with the cement base;
the automatic water replenishing system comprises a floating ball, a rotating shaft, a connecting rod, a copper sheet, a contact and an electromagnetic water valve; the floating ball arranged on the water surface of the sink pool is connected with the connecting rod through a rotating shaft, the rotating shaft is fixed on one side wall of the cement base through the base, the head end of the connecting rod is provided with a copper sheet, the copper sheet forms a loop with the electromagnetic water valve and the power socket through a contact, and the electromagnetic water valve is respectively connected with the tap water pipe and the water guide pipe;
the temperature control automatic control system comprises a power supply, a temperature control switch group, a submersible pump and a fan; one end of the temperature control switch group is connected with the positive electrode of the power supply, and the other end of the temperature control switch group is connected with the negative electrode of the power supply through the submersible pump and the fan.
Furthermore, the water curtain wall is composed of water curtains, the water curtains are corrugated water curtain paper made of pure wood pulp wet strength kraft paper, and the water curtain wall is composed of a plurality of layers of water curtain paper; the water curtain wall, the water storage tank and the first submersible pump are all three groups.
Furthermore, a second submersible pump is arranged in the sinking water tank, a soft water pipe of the second submersible pump is connected with the water storage tank, and the second submersible pump is matched with the water storage tank in quantity; and the second cement base in the sinking water tank is higher than the water surface in the sinking water tank.
Furthermore, the submersible pumps of the temperature control automatic control system comprise a first submersible pump and a second submersible pump, and the first submersible pump and the second submersible pump of the three groups are respectively connected in series and then connected in parallel to a circuit of the temperature control automatic control system.
Further, the height of the outer side of the water storage tank is higher than that of the inner side of the water storage tank.
Furthermore, the electromagnetic water valve comprises a water valve body, a movable iron core, a coil winding and a spring, wherein one end of the movable iron core positioned in the water valve body of the electromagnetic water valve is connected with a tap water pipe, the other end of the movable iron core is connected with the closed end of the base of the water valve body through the spring, and the coil winding is wound on the periphery of the water valve body.
Furthermore, the temperature control switch group is formed by connecting five groups of temperature sensitive elements in parallel and then placing the temperature sensitive elements at the position of the insulating top cover.
Furthermore, the cement bases II are arranged in two groups and located in the middle of the sinking water pool, and the cement bases I are arranged in four groups and evenly distributed at four corners of the sinking water pool.
Compared with the prior art, the main transformer box body is surrounded in a relatively closed space by the cooling infrastructure, and the infrastructure, the automatic temperature control system and the automatic water replenishing system act together to realize automatic cooling of the main transformer when the environmental temperature rises to a dangerous value, and automatically stop cooling when the environmental temperature falls below the dangerous value, and can realize automatic water replenishing and ensure continuous water supply to the automatic temperature control cooling system. The invention has the advantages of simple structure, convenient installation, durable use, low manufacturing cost, automatic work, good cooling effect, economy and practicality.
Drawings
FIG. 1 is a schematic diagram of the construction of the water curtain wall of the present invention.
Fig. 2 is a schematic diagram of the construction of the fan wall of the present invention.
Fig. 3 is a schematic diagram of the three-dimensional structure of the present invention.
Fig. 4 is a schematic diagram of the temperature control automatic control circuit of the present invention.
Fig. 5 is a top view of the entire automatic cooling device of the present invention.
FIG. 6 is a side view of the main transformer and the automatic cooling device of the present invention.
In the figure, 1, a cement base I, 2, an aluminum alloy frame, 3, a water curtain, 4, a water guide groove, 5, a water guide hole, 6, a water storage groove, 7, a water hose, 8, a submersible pump I, 9, a screw hole, 10, a water valve body, 11, a plastic baffle, 12, a fan, 13, a fan frame, 14, a floating ball, 15, a rotating shaft, 16, a connecting rod, 17, a copper sheet, 18, a contact, 19, an electromagnetic water valve, 20, a tap water pipe, 21, a power socket, 22, a cement base II, 23, a water guide pipe, 24, a movable iron core, 25, a coil winding, 26, a spring, 27, a temperature control switch group, 28, an insulating capping, 29, a water curtain wall, 30, a fan wall, 31, a submersible pump II, 32, a temperature sensitive element, 33, a main transformer box body, 34 and a water pool.
Detailed Description
As shown in fig. 1, 2, 3, 4, 5 and 6, the present invention includes a main transformer tank 33, a cooling infrastructure, an automatic water replenishing system, and an automatic temperature control system;
the cooling infrastructure comprises a sink basin 34, a water curtain wall 29, a fan wall 30 and an insulating top cover 28; the bottom of the main transformer box body 33 is fixed above the sink basin 34 through a second cement base 22 in the sink basin 34, the peripheries of the sink basin 34 are respectively provided with a first cement base 1, the water curtain wall 29 and the fan wall 30 are fixedly arranged above the first cement base 1 through an aluminum alloy frame 2, and an insulating top cover 28 at the top of the main transformer box body 33 is connected with the tops of the peripheral water curtain wall 29 and the fan wall 30; the bottom of the water curtain wall 29 is provided with a water storage tank 6, a first submersible pump 8 is arranged in the water storage tank 6, the first submersible pump 8 sends water in the water storage tank 6 into a water guide groove 4 at the top of the water curtain wall 29 through a flexible water pipe 7, and the bottom of the water guide groove 4 is connected with the water curtain wall 29 through a water guide hole 5; the fan wall 30 is composed of a fan 12, the fan 12 is fixed on the aluminum alloy frame 2 through a fan frame 13, screw holes 9 for connection are formed in the aluminum alloy frame 2, and a plastic baffle plate 11 is arranged at the bottom of the fan wall 30 and is in sealing connection with the cement base I1; the water curtain wall 29, the fan wall 30, the water storage tank 6, the plastic baffle plate 11 and the insulating top cover 28 at the top of the main transformer box body 33 form a relatively closed space.
The automatic water replenishing system comprises a floating ball 14, a rotating shaft 15, a connecting rod 16, a copper sheet 17, a contact 18 and an electromagnetic water valve 19; wherein the floating ball 14, the rotating shaft 15, the connecting rod 16 and the copper sheet 17 form a water level feedback device, and the contact 18 and the electromagnetic water valve 19 form an electric control automatic water discharging system; the floating ball 14 arranged on the water surface of the sink pool 34 is connected with the connecting rod 16 through the rotating shaft 15, the rotating shaft 15 is fixed on the side wall of the cement base 1 through the base, the head end of the connecting rod 16 is provided with a copper sheet 17, the copper sheet 17 forms a loop with an electromagnetic water valve 19 and a power socket 21 through a contact 18, and the electromagnetic water valve 19 is respectively connected with a tap water pipe 20 and a water guide pipe 23;
the temperature control automatic control system comprises a power supply, a temperature control switch group 27, a submersible pump and a fan 12; one end of the temperature control switch group 27 is connected with the positive electrode of the power supply, and the other end is connected with the negative electrode of the power supply through the submersible pump and the fan 12.
The water curtain wall 29 is composed of water curtains 3, the water curtains 3 are corrugated water curtain paper made of pure wood pulp wet strength kraft paper, the water curtains 3 are acid-base-resistant and corrosion-resistant, and the water curtain wall 29 is composed of a plurality of layers of water curtain paper; the water curtain wall 29, the water storage tank 6 and the first submersible pump 8 are all three groups.
A second submersible pump 31 is arranged in the sinking water tank 34, the second submersible pump 31 is connected with the water storage tank 6 through a water hose, and the second submersible pump 31 and the water storage tank 6 are matched in quantity; the second cement base 22 in the sink water tank 34 is higher than the water level in the sink water tank 34. The sink 34 is under the ground, so that the installation is more convenient and safer.
The submersible pump of the temperature control automatic control system comprises a first submersible pump 8 and a second submersible pump 31, wherein the first submersible pump 8 and the second submersible pump 31 in the three groups are respectively connected in series and then connected in parallel to a circuit of the temperature control automatic control system.
The height of the outer side of the water storage tank 6 is higher than that of the inner side, so that redundant water in the water storage tank can conveniently flow inwards to the middle sink pool 34 instead of overflowing to the periphery of the invention.
The electromagnetic water valve 19 comprises a water valve body 10, a movable iron core 24, a coil winding 25 and a spring 26, wherein one end of the movable iron core 24 positioned in the water valve body 10 of the electromagnetic water valve 19 is connected with the tap water pipe 20, the other end of the movable iron core is connected with the closed end of the base of the water valve body 10 through the spring 26, and the coil winding 25 is wound on the periphery of the water valve body 10.
The temperature control switch group 27 is formed by connecting five groups of temperature sensitive elements 32 in parallel and then is arranged at the position of the insulating top cover 28.
The working principle of the temperature sensitive element is as follows: by utilizing the thermal expansion principle, the thermal expansion coefficients of two surfaces of a bimetallic strip in the temperature sensitive element are different, the thermal expansion and contraction degrees are different, and the bending degrees of the element are different under different temperature environments. When the environmental temperature is higher than the set temperature, the element reaches the position of a contact point in the circuit after being bent to connect the circuit; when the ambient temperature is lower than the set temperature, the element cannot reach the position of the contact point in the circuit after being bent, and the circuit is disconnected. The temperature sensitive element 32 is arranged below 35 ℃ and keeps a normally open state, and is changed into a closed state at 35 ℃ or above, so that the requirement of monitoring the ambient temperature is met.
The second cement base 22 is arranged in two groups and located in the middle of the sinking water tank 34, and the first cement base 1 is arranged in four groups and evenly distributed at four corners of the sinking water tank 34.
According to the invention, the water curtain 3 of the water curtain wall 29 is fixedly supported by the aluminum alloy frame 2 through the screw hole 9, the aluminum alloy frame 2 is fixed on the two adjacent cement bases 1, the water storage tank 6 for receiving water is arranged below the water curtain 3, the height of the outer side of the water storage tank 6 is higher than that of the inner side of the water storage tank, the inner side of the water storage tank 6 is positioned on the water surface of the sink pool 34, and water in the water storage tank 6 overflows the inner side and flows into the sink pool 34 along the inner side after being full.
The temperature control switch group 27 is automatically connected with the temperature control loop when the temperature reaches 35 ℃, so that the first submersible pump 8, the second submersible pump 31 and the fan 12 automatically operate, water in the sink pool 34 is pumped into the water storage tank 6 by the second submersible pump 31 in the pool, and water in the water storage tank 6 is pumped into the water inlet hole at the top of the water curtain 3 by the first submersible pump 8 and flows down along the corrugated heat dissipation surface of the water curtain 3.
When the automatic water replenishing water tank is used, when the water level of the submerged water tank 34 is lowered, the floating ball 14 of the automatic water replenishing system sinks, the floating ball 14 drives the connecting rod 16 to ascend through the rotating shaft 15, the copper sheet 17 at the head end of the connecting rod 16 abuts against the two contacts 18, the automatic water replenishing loop is closed, the coil 25 of the electromagnetic water valve 19 is electrified, magnetic field force is generated after the coil 25 is electrified to attract the movable iron core 24 to move left, water in the tap water pipe 20 flows out of the electromagnetic water valve 19 and is injected into the submerged water tank 34 through the water guide pipe 23, and water is added. When the sink basin 34 is full of water, the floating ball 14 of the automatic water replenishing system floats upwards, so that the copper sheet 17 at the head end of the connecting rod 16 is separated from the contact 18, the automatic water replenishing loop is cut off, the electromagnetic water valve 19 is powered off, the movable iron core 24 loses the attraction of the magnetic field force and is pushed by the spring 26 to tightly abut against the nozzle of the water pipe 20 again, and the water pipe 20 is closed.
According to the three-side water curtain wall 29, one fan wall 30 is formed into a circle on the periphery of the transformer box body 33, and after the insulating top cover 28 is added to the side edge of the top of the transformer box body 33, a relatively closed space is formed among the sink basin, the four walls and the insulating top cover. The fan 12 is used for air draft and ventilation, hot air in the closed space is drawn away, new cold air enters the closed space from the tiny gaps of the water curtain wall 29, the temperature of the entering air is reduced to be changed into the cold air due to the gasification and cooling effect of water on the corrugated heat dissipation surface of the water curtain 3, and the new cold air continues to cool the transformer box 33. As long as the temperature is still 35 ℃ or above, the temperature control loop is always opened, and the process is continuously carried out. When the ambient temperature is reduced to below 35 ℃, the automatic cooling temperature control loop is disconnected, the fan, the first submersible pump and the second submersible pump stop running, and the cooling is finished.
Claims (8)
1. The utility model provides an automatic heat sink of main transformer which characterized in that: the system comprises a main transformer box body (33), a cooling infrastructure, an automatic water replenishing system and an automatic temperature control system;
the cooling infrastructure comprises a sink pool (34), a water curtain wall (29), a fan wall (30) and an insulating top cover (28); the bottom of the main transformer box body (33) is fixed above the sink pool (34) through a second cement base (22) in the sink pool (34), the periphery of the sink pool (34) is respectively provided with a first cement base (1), the water curtain wall (29) and the fan wall (30) are fixedly arranged above the first cement base (1) through an aluminum alloy frame (2), and an insulating top cover (28) at the top of the main transformer box body (33) is connected with the tops of the peripheral water curtain wall (29) and the fan wall (30); the water curtain wall is characterized in that a water storage tank (6) is arranged at the bottom of the water curtain wall (29), a first submersible pump (8) is arranged in the water storage tank (6), the first submersible pump (8) is used for conveying water in the water storage tank (6) into a water guide tank (4) at the top of the water curtain wall (29) through a water hose (7), and the bottom of the water guide tank (4) is connected with the water curtain wall (29) through a water guide hole (5); the fan wall (30) is composed of fans (12), the fans (12) are fixed on the aluminum alloy frame (2) through fan frames (13), and plastic baffles (11) are arranged at the bottom of the fan wall (30) and are in sealing connection with the cement base I (1);
the automatic water replenishing system comprises a floating ball (14), a rotating shaft (15), a connecting rod (16), a copper sheet (17), a contact (18) and an electromagnetic water valve (19); a floating ball (14) arranged on the water surface of a sink pool (34) is connected with a connecting rod (16) through a rotating shaft (15), the rotating shaft (15) is fixed on the side wall of a cement base I (1) through a base, a copper sheet (17) is arranged at the head end of the connecting rod (16), the copper sheet (17) forms a loop with an electromagnetic water valve (19) and a power socket (21) through a contact (18), and the electromagnetic water valve (19) is respectively connected with a tap water pipe (20) and a water guide pipe (23);
the temperature control automatic control system comprises a power supply, a temperature control switch group (27), a submersible pump and a fan (12); one end of the temperature control switch group (27) is connected with the positive pole of the power supply, and the other end is connected with the negative pole of the power supply through the submersible pump and the fan (12).
2. The automatic cooling device for the main transformer according to claim 1, wherein: the water curtain wall (29) is composed of water curtains (3), the water curtains (3) are corrugated water curtain paper made of pure wood pulp wet strength kraft paper, and the water curtain wall (29) is formed by a plurality of layers of water curtain paper; the water curtain wall (29), the water storage tank (6) and the first submersible pump (8) are all three groups.
3. The automatic cooling device for the main transformer according to claim 2, wherein: a second submersible pump (31) is arranged in the sinking water tank (34), the second submersible pump (31) is connected with the water storage tank (6) through a water hose, and the second submersible pump (31) and the water storage tank (6) are matched in quantity; and a second cement base (22) in the sinking water tank (34) is higher than the water surface in the sinking water tank (34).
4. The automatic cooling device for the main transformer according to claim 3, wherein: the submersible pump of the temperature control automatic control system comprises a first submersible pump (8) and a second submersible pump (31), wherein the first submersible pump (8) and the second submersible pump (31) of the three groups are respectively connected in series and then connected in parallel to a circuit of the temperature control automatic control system.
5. The automatic cooling device for the main transformer according to claim 2, wherein: the height of the outer side of the water storage tank (6) is higher than that of the inner side.
6. The automatic cooling device for the main transformer according to claim 1, wherein: the electromagnetic water valve (19) comprises a water valve body (10), a movable iron core (24), a coil winding (25) and a spring (26), one end of the movable iron core (24) positioned in the water valve body (10) of the electromagnetic water valve (19) is connected with the tap water pipe (20), the other end of the movable iron core (24) is connected with the closed end of a base of the water valve body (10) through the spring (26), and the coil winding (25) is wound on the periphery of the water valve body (10).
7. The automatic cooling device for the main transformer according to claim 1, wherein: the temperature control switch group (27) is formed by connecting five groups of temperature sensitive elements (32) in parallel and then placing the temperature sensitive elements at the position of an insulating top cover (28).
8. The automatic cooling device for the main transformer according to claim 1, wherein: the cement base II (22) is arranged in two groups and is positioned in the middle of the sinking water pool (34), the cement base I (1) is arranged in four groups, and the cement base II is uniformly distributed at four corners of the sinking water pool (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010563132.0A CN112309685A (en) | 2020-06-19 | 2020-06-19 | Automatic heat sink of main transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010563132.0A CN112309685A (en) | 2020-06-19 | 2020-06-19 | Automatic heat sink of main transformer |
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| Publication Number | Publication Date |
|---|---|
| CN112309685A true CN112309685A (en) | 2021-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010563132.0A Pending CN112309685A (en) | 2020-06-19 | 2020-06-19 | Automatic heat sink of main transformer |
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| Country | Link |
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| CN (1) | CN112309685A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117153518A (en) * | 2022-07-26 | 2023-12-01 | 中国科学院合肥物质科学研究院 | Water-cooled magnet device |
-
2020
- 2020-06-19 CN CN202010563132.0A patent/CN112309685A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117153518A (en) * | 2022-07-26 | 2023-12-01 | 中国科学院合肥物质科学研究院 | Water-cooled magnet device |
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