CN210628046U - Cooling structure of dry-type transformer - Google Patents
Cooling structure of dry-type transformer Download PDFInfo
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- CN210628046U CN210628046U CN201922020048.XU CN201922020048U CN210628046U CN 210628046 U CN210628046 U CN 210628046U CN 201922020048 U CN201922020048 U CN 201922020048U CN 210628046 U CN210628046 U CN 210628046U
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Abstract
The utility model discloses a cooling structure of dry-type transformer, including coolant liquid room, draft chamber, box, transfer pump, coolant liquid pipe, electric appliance cabinet and fan, its characterized in that: the utility model discloses a cooling liquid chamber, including ventilation chamber, transfer pump, cooling liquid pipe, air exhaust pipe, ventilation chamber, air chamber, the ventilation chamber setting in cooling liquid chamber top, the box install at the ventilation chamber top, be provided with the exhaust pipe on box top outer wall, set up the ventilation hole that link up with the ventilation chamber bottom the box, the transfer pump install on cooling liquid chamber outer wall, cooling liquid pipe set up in cooling liquid chamber, ventilation chamber in turn, the electrical cabinet install on the mount pad of bottom in the box, the fan setting in air exhaust pipe. The utility model discloses be provided with the guide plate on the bottom perpendicularly in the peripheral box in ventilation hole, can shunt the processing to the air current that rises through the ventilation hole through the guide plate, avoid the air current of upwards flowing too concentrated the inhomogeneous condition of leading to electric appliance cabinet cooling to take place, improved the cooling homogeneity of electric appliance cabinet.
Description
Technical Field
The utility model relates to a dry-type transformer processing technology field specifically is a cooling structure of dry-type transformer.
Background
The dry-type transformer is widely used in local lighting, high-rise buildings, airports, wharf CNC mechanical equipment and other places, and the dry-type transformer is simply a transformer with an iron core and a winding which are not immersed in insulating oil, but the dry-type transformer in the current market generally adopts a fan for heat dissipation, the ambient temperature is continuously raised by heat generated by the operation of the dry-type transformer, so that the heat dissipation effect is poor, hot air cannot be effectively discharged, and in addition, when the temperature is too high to exceed the insulating tolerance temperature, the insulating layer can be burnt, so that the transformer is damaged, and a major safety accident occurs. Patent No. 201920221943.5 discloses a cooling device of dry-type transformer, and it has solved the cooling blower and has not been convenient for installation and dismantlement, the relatively poor problem of maintenance convenience, but it has dry-type transformer cooling inefficiency, cooling homogeneity is not good, the cooling effect is not high problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a cooling structure of dry-type transformer that structural design is reasonable, cooling efficiency is high, cooling homogeneity is good, cooling effect is good to the problem that the dry-type transformer cooling efficiency that the cooling device to current dry-type transformer exists is low, cooling homogeneity is not good, cooling effect is not high.
The utility model provides a technical scheme that technical problem taken does:
the utility model provides a cooling structure of dry-type transformer, includes coolant liquid room, draft chamber, box, transfer pump, coolant liquid pipe, electric appliance cabinet and fan, its characterized in that: the ventilating chamber is arranged above the cooling liquid chamber, air inlet holes are formed in two opposite side walls of the ventilating chamber, the ventilating chamber and the cooling liquid chamber are arranged in a separated mode, the cooling liquid in the cooling liquid chamber can be prevented from entering the box body to influence an electric appliance cabinet, the box body is arranged at the top of the ventilating chamber, an exhaust pipe is arranged on the outer wall of the top of the box body, a ventilation hole communicated with the ventilating chamber is formed in the bottom of the box body, a mounting seat is arranged at the inner bottom of the box body, the infusion pump is arranged on the outer wall of the cooling liquid chamber, a connecting pipe and an infusion pipe are arranged on the infusion pump, the connecting pipe extends into the cooling liquid chamber and extends into the ventilating chamber, the cooling liquid pipe is alternately arranged in the cooling liquid chamber and the ventilating chamber, one end of the cooling liquid pipe extends into the cooling liquid chamber, the other end of the cooling liquid, the transfer pump inhales the coolant in the coolant chamber through the connecting pipe, and is carried to the coolant pipe through the transfer line in to carry to the coolant chamber from the other end of coolant pipe in, make the coolant liquid circulate and flow between coolant chamber and transfer pump, improve the utilization efficiency of coolant liquid, the electrical cabinet install on the mount pad of bottom in the box, install the electrical cabinet on the mount pad, improve the installation effectiveness of electrical cabinet and the stability after the installation, the fan set up in the exhaust pipe, the effect of fan carries the heat that produces in the electrical cabinet working process with the air current in the box to discharge from the exhaust pipe, carries out cooling treatment to the electrical cabinet, and the air current outside the dry-type transformer enters into the ventilation chamber through the fresh air inlet, and the coolant liquid in the coolant liquid pipe cools down the air current in the ventilation chamber, and the air current after cooling enters into the box through the ventilation hole under the effect of fan, the electric appliance cabinet in the working process is cooled, so that the cooling effect of the dry-type transformer is improved.
Preferably, the ventilation chamber on the fresh air inlet set up to the low slope structure of one end height to set up to vertical structure's filter screen in the fresh air inlet, set up the fresh air inlet on the ventilation chamber to the structure of high outside, rainwater enters into dry-type transformer through the fresh air inlet when avoiding rainy day, the degree of drying in the dry-type transformer has been improved, adopt active carbon filter material preparation with the filter screen, can adsorb the impurity along with the air current flow in-process, avoid the air current that gets into in the dry-type transformer through the gas pocket carries the dust, the clean degree in the dry-type transformer has been improved, the work precision of electrical cabinet in the dry-type transformer has been improved, the life of dry-type transformer is prolonged.
Preferably, the peripheral box in ventilation hole in the bottom on be provided with the connecting rod perpendicularly to be provided with the guide plate on the connecting rod, in entering into the ventilation chamber through the fresh air inlet, the intraductal coolant liquid of coolant liquid is cooled down the air current in the ventilation chamber and is handled, the air current after being cooled down enters into the box through the ventilation hole, can carry out the reposition of redundant personnel through the air current that the guide plate rises to the process of ventilating, avoid the air current of upflow too concentrated and lead to the inhomogeneous condition of electrical cabinet cooling to take place, improved the cooling homogeneity of electrical cabinet.
Preferably, the guide plate set up to the arc structure to set up the ventilative groove that runs through the guide plate from top to bottom on the guide plate, set up the guide plate into the arc structure, can carry out decentralized processing with the air current that rises, the coverage of updraft has been enlarged, can make the air current that part rises pass ventilative groove through the ventilative groove on the guide plate and continue to rise, thereby make the air current evenly distributed of the in-process that rises, carry out even heat dissipation to the electric appliance cabinet in the course of the work and handle, the cooling efficiency of electric appliance cabinet has been improved, the security of reinforcing dry-type power converter in the course of the work.
Preferably, the coolant pipe set up to any one structure in spiral, wave or the coiled pipe, the transfer pump inhales the coolant liquid in with the coolant liquid room through the connecting pipe, carry to the coolant liquid intraductally through the transfer line, and carry to the coolant liquid room from the other end of coolant liquid pipe, make the coolant liquid circulate between coolant liquid room and transfer pump, improve the utilization efficiency of coolant liquid, separate setting between coolant liquid room and the draft chamber, the upper half of coolant liquid pipe is in the draft chamber, the latter half is in the coolant liquid room, make the coolant liquid flow in the coolant liquid pipe, carry out cooling treatment to the air current that gets into in the draft chamber, the air current after the cooling gets into in the box through the ventilation hole under the effect of fan, carry out cooling treatment to the electrical cabinet in the course of the work, the cooling effect of dry-type transformer has been improved.
Has the advantages that: the utility model discloses set up the fresh air inlet into the structure of interior height outside low on the ventilation chamber, rainwater enters into dry-type transformer through the fresh air inlet when avoiding rainy day in, has improved the degree of drying in the dry-type transformer, adopt the preparation of active carbon filter material with the filter screen, can adsorb the impurity along with the air current flow in-process, the air current of avoiding entering in the dry-type transformer through the gas pocket carries the dust, the clean and tidy degree in the dry-type transformer has been improved, the work precision of electrical cabinet in the dry-type transformer has been improved, the life of extension dry-type transformer.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of a part of the structure of the present invention, showing the connection structure of the box body and the ventilation hole.
Fig. 3 is a schematic view of a part of the structure of the present invention, illustrating the connection structure of the guide plate and the ventilation slot.
Fig. 4 is a schematic diagram of another embodiment of the present invention.
In the figure: 1. the cooling device comprises a cooling liquid chamber, a ventilation chamber 2, a box body 3, an infusion pump 4, a cooling liquid pipe 5, an electric appliance cabinet 6, a fan 7, an air inlet hole 8, a filter screen 9, an exhaust pipe 10, an air vent hole 11, a connecting rod 12, a mounting seat 13, a guide plate 14, a ventilation groove 15, a connecting pipe 16, a liquid conveying pipe 17 and a guide cover 18.
Detailed Description
The present invention will be described in more detail with reference to the accompanying drawings.
The first embodiment is as follows:
as shown in fig. 1-3, a cooling structure of a dry-type transformer includes a cooling liquid chamber 1, a ventilation chamber 2, a box 3, an infusion pump 4, a cooling liquid pipe 5, an electrical cabinet 6 and a fan 7, and is characterized in that: the ventilating chamber 2 is arranged above the cooling liquid chamber 1, the ventilating chamber 2 is provided with air inlet holes 8 on two opposite side walls, the ventilating chamber 2 and the cooling liquid chamber 1 are arranged in a separated mode, the cooling liquid in the cooling liquid chamber 1 can be prevented from entering the box body 3 to influence an electric appliance cabinet 6, the box body 3 is arranged at the top of the ventilating chamber 2, the outer wall of the top of the box body 3 is provided with an exhaust pipe 10, the bottom of the box body 3 is provided with a ventilating hole 11 communicated with the ventilating chamber 2, the bottom of the box body 3 is provided with a mounting seat 13, the infusion pump 4 is arranged on the outer wall of the cooling liquid chamber 1, the infusion pump 4 is provided with a connecting pipe 16 and an infusion pipe 17, the connecting pipe 16 is extended into the cooling liquid chamber 1 and the infusion pipe 17 is extended into the ventilating chamber 2, the cooling liquid pipe 5 is alternately arranged in the cooling liquid chamber 1 and the ventilating chamber 2, one end of the cooling, the other end of the cooling liquid pipe 5 in the ventilation chamber 2 extends into the ventilation chamber 2, one end of the cooling liquid pipe 5 in the ventilation chamber 2 is connected with the liquid conveying pipe 17, the liquid conveying pump 4 sucks the cooling liquid in the cooling liquid chamber 1 through the connecting pipe 16, the cooling liquid is conveyed into the cooling liquid pipe 5 through the liquid conveying pipe 17 and conveyed into the cooling liquid chamber 1 from the other end of the cooling liquid pipe 5, so that the cooling liquid circularly flows between the cooling liquid chamber 1 and the liquid conveying pump 4, the utilization efficiency of the cooling liquid is improved, the electric appliance cabinet 6 is arranged on the installation seat 13 at the bottom in the box body 3, the electric appliance cabinet 6 is arranged on the installation seat 13, the installation efficiency and the stability after installation of the electric appliance cabinet 6 are improved, the fan 7 is arranged in the exhaust pipe 10, the air flow in the box body 3 is carried by the fan 7 to carry the heat generated in the working process of the electric appliance cabinet 6 to be discharged from the exhaust pipe 10 to cool the electric appliance cabinet 6, the cooling liquid in the cooling liquid pipe 5 cools down the air current in the ventilation chamber 2, and the air current after cooling enters into box 3 through ventilation hole 11 under the effect of fan 7, cools down the processing of cooling down to the electric appliance cabinet 6 in the course of the work, has improved dry-type transformer's cooling effect.
Preferably, the air inlet 8 on the ventilation chamber 2 is set to be an inclined structure with one high end and one low end, the filter screen 9 with a vertical structure is arranged in the air inlet 8, the air inlet 8 is set to be a structure with a high inner part and a low outer part on the ventilation chamber 2, rainwater is prevented from entering the dry-type transformer through the air inlet 8 in rainy days, the drying degree in the dry-type transformer is improved, the filter screen 9 is made of active carbon filter materials, impurities in the flowing process along with the airflow can be adsorbed, dust is prevented from being carried by the airflow entering the dry-type transformer through an air hole, the cleanliness in the dry-type transformer is improved, the working precision of an electric appliance cabinet 6 in the dry-type transformer is improved, and the service life of the dry-type transformer is prolonged.
Preferably, the peripheral box 3 in ventilation hole 11 in the bottom on be provided with connecting rod 12 perpendicularly, and be provided with guide plate 14 on connecting rod 12, in entering ventilation chamber 2 through fresh air inlet 8, the coolant liquid in coolant liquid pipe 5 carries out the cooling processing to the air current in ventilation chamber 2, the air current after being cooled enters into box 3 through ventilation hole 11, can carry out the reposition of redundant personnel through guide plate 14 to the air current that rises through ventilation hole 11 and handle, avoid the air current of upwards flowing to lead to the inhomogeneous condition of electrical cabinet 6 cooling to take place too intensively, the cooling homogeneity of electrical cabinet 6 has been improved.
Preferably, the guide plate 14 set up to the arc structure to set up the ventilative groove 15 that runs through guide plate 14 from top to bottom on guide plate 14, set up guide plate 14 to the arc structure, can carry out decentralized processing with the air current that rises, the coverage of updraft has been enlarged, can make the air current that part rises pass ventilative groove 15 through ventilative groove 15 on the guide plate 14 and continue to rise, thereby make the air current evenly distributed of the in-process that rises, carry out even heat dissipation to electric appliance cabinet 6 in the course of the work and handle, the cooling efficiency of electric appliance cabinet 6 has been improved, the security of dry-type converter in the course of the work is strengthened.
Preferably, the cooling liquid pipe 5 is provided with a serpentine pipe structure, the liquid delivery pump 4 sucks the cooling liquid in the cooling liquid chamber 1 through the connecting pipe 16, and delivers the cooling liquid into the cooling liquid pipe 5 through the liquid delivery pipe 17, and is fed into the cooling liquid chamber 1 from the other end of the cooling liquid pipe 5 to circulate the cooling liquid between the cooling liquid chamber 1 and the liquid feed pump 4, thereby improving the utilization efficiency of the cooling liquid, the cooling liquid chamber 1 and the ventilation chamber 2 are partitioned, the upper half part of the cooling liquid pipe 5 is arranged in the ventilation chamber 2, the lower half part is arranged in the cooling liquid chamber 1, and the cooling liquid is made to flow in the cooling liquid pipe 5, the air flow entering the ventilation chamber 2 is cooled, the cooled air flow enters the box body 3 through the ventilation hole 11 under the action of the fan 7, the electric appliance cabinet 6 in the working process is cooled, so that the cooling effect of the dry-type transformer is improved.
Example two:
as shown in fig. 4: the utility model provides a cooling structure of dry-type transformer, includes coolant liquid room 1, draft chamber 2, box 3, transfer pump 4, coolant liquid pipe 5, electric appliance cabinet 6 and fan 7, its characterized in that: the ventilating chamber 2 is arranged above the cooling liquid chamber 1, the ventilating chamber 2 is provided with air inlet holes 8 on two opposite side walls, the ventilating chamber 2 and the cooling liquid chamber 1 are arranged in a separated mode, the cooling liquid in the cooling liquid chamber 1 can be prevented from entering the box body 3 to influence an electric appliance cabinet 6, the box body 3 is arranged at the top of the ventilating chamber 2, the outer wall of the top of the box body 3 is provided with an exhaust pipe 10, the bottom of the box body 3 is provided with a ventilating hole 11 communicated with the ventilating chamber 2, the bottom of the box body 3 is provided with a mounting seat 13, the infusion pump 4 is arranged on the outer wall of the cooling liquid chamber 1, the infusion pump 4 is provided with a connecting pipe 16 and an infusion pipe 17, the connecting pipe 16 is extended into the cooling liquid chamber 1 and the infusion pipe 17 is extended into the ventilating chamber 2, the cooling liquid pipe 5 is alternately arranged in the cooling liquid chamber 1 and the ventilating chamber 2, one end of the cooling, the other end of the cooling liquid pipe 5 in the ventilation chamber 2 extends into the ventilation chamber 2, one end of the cooling liquid pipe 5 in the ventilation chamber 2 is connected with the liquid conveying pipe 17, the liquid conveying pump 4 sucks the cooling liquid in the cooling liquid chamber 1 through the connecting pipe 16, the cooling liquid is conveyed into the cooling liquid pipe 5 through the liquid conveying pipe 17 and conveyed into the cooling liquid chamber 1 from the other end of the cooling liquid pipe 5, so that the cooling liquid circularly flows between the cooling liquid chamber 1 and the liquid conveying pump 4, the utilization efficiency of the cooling liquid is improved, the electric appliance cabinet 6 is arranged on the installation seat 13 at the bottom in the box body 3, the electric appliance cabinet 6 is arranged on the installation seat 13, the installation efficiency and the stability after installation of the electric appliance cabinet 6 are improved, the fan 7 is arranged in the exhaust pipe 10, the air flow in the box body 3 is carried by the fan 7 to carry the heat generated in the working process of the electric appliance cabinet 6 to be discharged from the exhaust pipe 10 to cool the electric appliance cabinet 6, the cooling liquid in the cooling liquid pipe 5 cools down the air current in the ventilation chamber 2, and the air current after cooling enters into box 3 through ventilation hole 11 under the effect of fan 7, cools down the processing of cooling down to the electric appliance cabinet 6 in the course of the work, has improved dry-type transformer's cooling effect.
Preferably, the air inlet 8 on the ventilation chamber 2 is set to be an inclined structure with one high end and one low end, the filter screen 9 with a vertical structure is arranged in the air inlet 8, the air inlet 8 is set to be a structure with a high inner part and a low outer part on the ventilation chamber 2, rainwater is prevented from entering the dry-type transformer through the air inlet 8 in rainy days, the drying degree in the dry-type transformer is improved, the filter screen 9 is made of active carbon filter materials, impurities in the flowing process along with the airflow can be adsorbed, dust is prevented from being carried by the airflow entering the dry-type transformer through an air hole, the cleanliness in the dry-type transformer is improved, the working precision of an electric appliance cabinet 6 in the dry-type transformer is improved, and the service life of the dry-type transformer is prolonged.
Preferably, the peripheral box 3 in ventilation hole 11 in the bottom on be provided with connecting rod 12 perpendicularly, and be provided with guide plate 14 on connecting rod 12, in entering ventilation chamber 2 through fresh air inlet 8, the coolant liquid in coolant liquid pipe 5 carries out the cooling processing to the air current in ventilation chamber 2, the air current after being cooled enters into box 3 through ventilation hole 11, can carry out the reposition of redundant personnel through guide plate 14 to the air current that rises through ventilation hole 11 and handle, avoid the air current of upwards flowing to lead to the inhomogeneous condition of electrical cabinet 6 cooling to take place too intensively, the cooling homogeneity of electrical cabinet 6 has been improved.
Preferably, the guide plate 14 set up to the arc structure to set up the ventilative groove 15 that runs through guide plate 14 from top to bottom on guide plate 14, set up guide plate 14 to the arc structure, can carry out decentralized processing with the air current that rises, the coverage of updraft has been enlarged, can make the air current that part rises pass ventilative groove 15 through ventilative groove 15 on the guide plate 14 and continue to rise, thereby make the air current evenly distributed of the in-process that rises, carry out even heat dissipation to electric appliance cabinet 6 in the course of the work and handle, the cooling efficiency of electric appliance cabinet 6 has been improved, the security of dry-type converter in the course of the work is strengthened.
Preferably, the cooling liquid pipe 5 is provided with a wave-shaped structure, the liquid conveying pump 4 sucks the cooling liquid in the cooling liquid chamber 1 through the connecting pipe 16, and conveys the cooling liquid into the cooling liquid pipe 5 through the liquid conveying pipe 17, and is fed into the cooling liquid chamber 1 from the other end of the cooling liquid pipe 5 to circulate the cooling liquid between the cooling liquid chamber 1 and the liquid feed pump 4, thereby improving the utilization efficiency of the cooling liquid, the cooling liquid chamber 1 and the ventilation chamber 2 are partitioned, the upper half part of the cooling liquid pipe 5 is arranged in the ventilation chamber 2, the lower half part is arranged in the cooling liquid chamber 1, and the cooling liquid is made to flow in the cooling liquid pipe 5, the air flow entering the ventilation chamber 2 is cooled, the cooled air flow enters the box body 3 through the ventilation hole 11 under the action of the fan 7, the electric appliance cabinet 6 in the working process is cooled, so that the cooling effect of the dry-type transformer is improved.
Preferably, the box body 3 is internally provided with the air guide sleeve 18, the air guide sleeve 18 is set to be of a conical structure with a small top end opening and a large bottom end opening, and the air flow carrying heat flows from the inner side wall of the box body 3 to the middle part of the box body 3 through the air guide sleeve 18, so that the cooling efficiency and the cooling effect of the dry-type transformer are improved.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection or point connection; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
The utility model discloses the part that does not relate to all is the same with prior art or can adopt prior art to realize.
Claims (5)
1. The utility model provides a cooling structure of dry-type transformer, includes coolant liquid room, draft chamber, box, transfer pump, coolant liquid pipe, electric appliance cabinet and fan, its characterized in that: the ventilation chamber set up in cooling liquid chamber top, seted up the fresh air inlet on two relative lateral walls of ventilation chamber, the box install at the ventilation chamber top, be provided with the exhaust pipe on box top outer wall, set up the ventilation hole that link up with the ventilation chamber at the bottom half to be provided with the mount pad at the bottom half in, the transfer pump install on cooling liquid chamber outer wall, be provided with connecting pipe, transfer line on the transfer pump, stretch into the cooling liquid with the connecting pipe in the room, and stretch into the ventilation chamber with the transfer line in, cooling liquid pipe set up in cooling liquid chamber, ventilation chamber in turn, stretch into the cooling liquid pipe one end in the cooling liquid chamber, in the other end stretches into the ventilation chamber to be connected cooling liquid pipe one end in the ventilation chamber with the transfer line, the electrical apparatus cabinet install on the mount pad of bottom in the box, the fan setting exhaust intraductally at.
2. The cooling structure of a dry-type transformer according to claim 1, wherein: the ventilating chamber is provided with an air inlet hole which is of an inclined structure with a high end and a low end, and a filter screen of a vertical structure is arranged in the air inlet hole.
3. The cooling structure of a dry-type transformer according to claim 1, wherein: the bottom in the box body around the vent hole is vertically provided with a connecting rod, and the connecting rod is provided with a guide plate.
4. The cooling structure of a dry-type transformer according to claim 3, wherein: the guide plate is of an arc-shaped structure, and an air-permeable groove which penetrates through the guide plate from top to bottom is formed in the guide plate.
5. The cooling structure of a dry-type transformer according to claim 1, wherein: the cooling liquid pipe is set into any one structure of a spiral pipe, a wave-shaped pipe or a serpentine pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922020048.XU CN210628046U (en) | 2019-11-21 | 2019-11-21 | Cooling structure of dry-type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922020048.XU CN210628046U (en) | 2019-11-21 | 2019-11-21 | Cooling structure of dry-type transformer |
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| Publication Number | Publication Date |
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| CN210628046U true CN210628046U (en) | 2020-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922020048.XU Active CN210628046U (en) | 2019-11-21 | 2019-11-21 | Cooling structure of dry-type transformer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117039685A (en) * | 2023-08-10 | 2023-11-10 | 申恒电力设备有限公司 | Energy-saving box-type transformer substation |
-
2019
- 2019-11-21 CN CN201922020048.XU patent/CN210628046U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117039685A (en) * | 2023-08-10 | 2023-11-10 | 申恒电力设备有限公司 | Energy-saving box-type transformer substation |
| CN117039685B (en) * | 2023-08-10 | 2024-02-20 | 申恒电力设备有限公司 | Energy-saving box-type transformer substation |
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