CN217881080U - Power transformer intensive care unit - Google Patents

Power transformer intensive care unit Download PDF

Info

Publication number
CN217881080U
CN217881080U CN202221566165.1U CN202221566165U CN217881080U CN 217881080 U CN217881080 U CN 217881080U CN 202221566165 U CN202221566165 U CN 202221566165U CN 217881080 U CN217881080 U CN 217881080U
Authority
CN
China
Prior art keywords
power transformer
transformer body
water pump
intensive care
motor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202221566165.1U
Other languages
Chinese (zh)
Inventor
梁轩伟
安晨光
杨柳青
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Huadian Yuntong Power Technical Co ltd
Original Assignee
Hunan Huadian Yuntong Power Technical Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hunan Huadian Yuntong Power Technical Co ltd filed Critical Hunan Huadian Yuntong Power Technical Co ltd
Priority to CN202221566165.1U priority Critical patent/CN217881080U/en
Application granted granted Critical
Publication of CN217881080U publication Critical patent/CN217881080U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Transformer Cooling (AREA)

Abstract

The application provides a power transformer intensive care unit belongs to the power transformer field. This power transformer intensive care therapy device includes power transformer body and heat dissipation mechanism, power transformer body front end is provided with the louvre, the louvre is provided with a plurality of and evenly distributed in power transformer body front end, power transformer body rear end is provided with the mounting groove, heat dissipation mechanism is including album wind case, first motor, play tuber pipe, water pump and heat exchanger, it is provided with the cooling tube to go out the intraduct, the water pump with the heat exchanger all is fixed in power transformer body rear end, the water pump input with the heat exchanger switch-on, the water pump top is provided with the water injection valve, cooling tube one end is stretched out go out the tuber pipe with water pump output end intercommunication, the cooling tube other end is stretched out go out the tuber pipe with the heat exchanger intercommunication, this power transformer intensive care therapy device is convenient for dispel the heat to the power transformer body.

Description

Power transformer intensive care unit
Technical Field
The application relates to a power transformer field particularly, relates to a power transformer intensive care unit.
Background
A power transformer is a stationary electrical device that is used to transform an ac voltage (current) of a certain value into another voltage (current) of the same frequency or different values. Stationary devices with two or more windings convert alternating voltages and currents of one system into voltages and currents of another system by electromagnetic induction at the same frequency for the transmission of electrical energy, usually with different values.
The existing intensive care unit for the power transformer is generally provided with fan blades driven by a motor, the fan blades rotate to generate gas for radiating the power transformer, the fan blades rotate to generate gas which is often directly introduced into the power transformer, the gas is not cooled, the radiating effect of the power transformer is general, in addition, the fan blades continuously rotate to generate continuous airflow, the existing intensive care unit is often inconvenient to enable the output gas to be continuously at lower temperature, the radiating effect of the power transformer is influenced, and therefore certain limitation is achieved.
SUMMERY OF THE UTILITY MODEL
In order to remedy the above deficiencies, the present application provides a power transformer intensive care unit that aims to ameliorate the above-mentioned problems.
The embodiment of the application provides a power transformer intensive care therapy device, including power transformer body and heat dissipation mechanism, power transformer body front end is provided with the louvre, the louvre is provided with a plurality of and evenly distributed in power transformer body front end, power transformer body rear end is provided with the mounting groove, heat dissipation mechanism is including album bellows, first motor, play tuber pipe, water pump and heat exchanger, album bellows is fixed in power transformer body inner wall rear end, first motor is fixed set up in the mounting groove, first motor output shaft runs through album bellows is connected with the flabellum, go out the tuber pipe with album bellows intercommunication, it is provided with the cooling tube to go out intraduct, the water pump with the heat exchanger all is fixed in power transformer body rear end, the water pump input end with the heat exchanger switch-on, the water pump top is provided with the water injection valve, cooling tube one end is stretched out go out the tuber pipe with water pump output end intercommunication, the cooling tube other end stretches out the tuber pipe with the heat exchanger intercommunication.
In the implementation process, the first motor is started to drive the fan blades to rotate, gas generated by rotation of the fan blades enters the air outlet pipe from the air collecting box and finally enters the power transformer body, so that heat dissipation is performed on electrical components inside the power transformer body, the gas subjected to heat dissipation is discharged through the heat dissipation holes, because the cooling pipe is arranged inside the air outlet pipe, the water pump and the heat exchanger are both fixed at the rear end of the power transformer body, the input end of the water pump is communicated with the heat exchanger, a water injection valve is arranged at the top of the water pump, one end of the cooling pipe extends out of the air outlet pipe and is communicated with the output end of the water pump, the other end of the cooling pipe extends out of the air outlet pipe and is communicated with the heat exchanger, cold water is added into the water pump by opening the water injection valve, the water pump is started to enable the added cold water to enter the cooling pipe, the cooling pipe is made of a material with heat conduction, cold water in the cooling pipe enables the inside of the air outlet pipe to be at a lower temperature, so that the gas entering the power transformer body is changed into cold air to be cold air, the power transformer body to be better cooled, when the temperature of the cold water in the cooling pipe rises after a period of the cooling pipe rises, the heat pump and the heat exchanger can be continuously pumped out, the air pump, the heat sink, the heat exchanger, and the air can be continuously pumped out of the cooling pipe, and the cooling pipe, so that the air in the cooling pipe, and the cooling pipe, the air pump can be in the cooling pipe, and the cooling pipe, so that the air pump can be in the cooling pipe, and the cooling pipe.
In a specific embodiment, the inner wall of the mounting groove is fixedly provided with a mounting sleeve frame, and the mounting sleeve frame is fixedly sleeved outside the first motor.
In the implementation process, the installation sleeve frame is fixedly sleeved outside the first motor, so that the position of the first motor in the installation groove is fixed.
In a specific embodiment, a bearing is arranged inside the air collecting box and outside the first motor output shaft, and an outer ring of the first motor output shaft is fixed with an inner ring of the bearing.
In the above-mentioned realization process, through this kind of design to improve the stability of first motor output shaft at the inside rotation process of collection bellows.
In a specific embodiment, the cooling pipe is in a shape of a serpentine extending inside the outlet air pipe.
At above-mentioned realization in-process, through the setting of cooling tube shape to make the cooling tube have longer length in the tuber pipe inside, so that the better gas to the tuber pipe inside of air-out of the cold water in the cooling tube cools down.
In a specific implementation scheme, a temperature sensor is arranged inside the power transformer body, a controller is arranged outside the power transformer body, the temperature sensor is electrically connected with the input end of the controller, and the water pump and the heat exchanger are both electrically connected with the output end of the controller.
In the implementation process, the temperature sensor is used for detecting the temperature inside the power transformer body, when the detected temperature rises, the input end of the controller receives a signal transmitted by the temperature sensor, the water pump and the heat exchanger are controlled to be started simultaneously, cold water in the cooling pipe firstly passes through the refrigeration process of the heat exchanger, and then enters the inside of the cooling pipe again through the pressure of the water pump.
In a specific embodiment, the front end of the power transformer body is provided with a baffle in a sliding manner along the front-back direction, the baffle is provided with rubber columns for plugging the heat dissipation holes, the rubber columns correspond to the heat dissipation holes, and the front end of the power transformer body is provided with an adjusting assembly for driving one end of the baffle.
In the above-mentioned realization process, be used for discharging through the louvre behind the gaseous heat dissipation to power transformer body radiating, because power transformer is in the open air, when there is overcast and rainy weather, power transformer body this moment is because the environment often need not dispel the heat, for avoiding outside rainwater to pass through the louvre and get into inside power transformer body, move towards power transformer body through adjusting part in order to drive the baffle, the rubber post gets into the shutoff process of louvre in order to accomplish the louvre this moment.
In a specific implementation scheme, the adjusting assembly comprises a screw, a second motor, a driving gear and a driven gear, the screw is rotatably installed at the front end of the power transformer body, the baffle is sleeved on the screw in a threaded manner, the second motor is fixedly arranged outside the power transformer body, an output shaft of the second motor is connected with the driving gear, the driven gear is meshed with the driving gear, and the driven gear is fixedly sleeved on the screw.
In the implementation process, the second motor output shaft rotates to drive the driving gear to rotate, and then drives the screw rod on the inner side of the driven gear to rotate, and the baffle is sleeved on the screw rod in a threaded manner, so that the baffle moves towards the power transformer body.
In a specific embodiment, a limiting rod is fixedly arranged at the front end of the power transformer body, and the baffle is sleeved on the limiting rod in a sliding manner.
In the implementation process, the baffle is easy to rotate due to the rotation of the screw, and the baffle can only move in the front-back direction at the front end of the power transformer body through the arrangement.
In a specific embodiment, a limiting block is arranged at one end of the limiting rod, which is far away from the power transformer body.
In the implementation process, when the baffle deviates from the power transformer body to move, the baffle is prevented from completely separating from the limiting rod through the arrangement of the limiting block.
In a specific embodiment, the outer surface of the rubber column is in contact with the inner surface of the heat dissipation hole.
In the implementation process, the gaps between the rubber columns and the heat dissipation holes are reduced through the arrangement.
Drawings
In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a side sectional view of a power transformer body provided in an embodiment of the present application;
fig. 2 is a schematic structural diagram of a heat dissipation mechanism according to an embodiment of the present disclosure;
FIG. 3 is a schematic structural diagram of an adjustment assembly provided in an embodiment of the present application;
fig. 4 is a front view of a front end face of a power transformer body according to an embodiment of the present application.
In the figure: 100-power transformer body; 110-heat dissipation holes; 120-mounting grooves; 121-installing a sleeve frame; 130-a temperature sensor; 140-a controller; 150-a baffle; 151-rubber column; 160-an adjustment assembly; 161-screw rod; 162-a second motor; 163-a drive gear; 164-a driven gear; 170-a limiting rod; 171-a limiting block; 200-a heat dissipation mechanism; 210-a wind-collecting box; 220-a first motor; 221-fan blades; 230-air outlet pipe; 231-a cooling tube; 240-water pump; 241-a water injection valve; 250-heat exchanger.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.
Referring to fig. 1-4, the present application provides an intensive care device for a power transformer, including a power transformer body 100 and a heat dissipation mechanism 200, the front end of the power transformer body 100 is provided with heat dissipation holes 110, the heat dissipation holes 110 are provided with a plurality of holes and evenly distributed at the front end of the power transformer body 100, the rear end of the power transformer body 100 is provided with a mounting groove 120, the heat dissipation mechanism 200 includes a wind collecting box 210, a first motor 220, a wind outlet pipe 230, a water pump 240 and a heat exchanger 250, the wind collecting box 210 is fixed at the rear end of the inner wall of the power transformer body 100, the first motor 220 is fixedly arranged in the mounting groove 120, an output shaft of the first motor 220 penetrates through the wind collecting box 210 and is connected with a fan blade 221, the wind outlet pipe 230 is communicated with the wind collecting box 210, a cooling pipe 231 is arranged inside the wind outlet pipe 230, the water pump 240 and the heat exchanger 250 are both fixed at the rear end of the power transformer body 100, an input end of the water pump 240 is communicated with the heat exchanger 250, a water injection valve 241 is arranged at the top of the water pump 240, one end of the cooling pipe 231 extends out of the wind outlet pipe 230 and is communicated with an output end of the water pump 240, and the other end of the heat exchanger 231 extends out of the heat exchanger 250.
In some specific embodiments, a mounting sleeve frame 121 is fixedly disposed on an inner wall of the mounting groove 120, the mounting sleeve frame 121 is fixedly sleeved outside the first motor 220, and the mounting sleeve frame 121 is fixedly sleeved outside the first motor 220 to ensure that the first motor 220 is fixed in the position in the mounting groove 120.
In some specific embodiments, a bearing is disposed inside the wind collecting box 210 and outside the output shaft of the first motor 220, and the outer ring of the output shaft of the first motor 220 is fixed to the inner ring of the bearing, so as to improve the stability of the rotation process of the output shaft of the first motor 220 inside the wind collecting box 210.
In some embodiments, the cooling pipe 231 extends in a serpentine shape inside the air outlet pipe 230, and by this arrangement, the cooling pipe 231 has a longer length inside the air outlet pipe 230, so that the cold water in the cooling pipe 231 can better cool the air inside the air outlet pipe 230.
In some specific embodiments, the temperature sensor 130 is disposed inside the power transformer body 100, the controller 140 is disposed outside the power transformer body 100, the temperature sensor 130 is electrically connected to an input end of the controller 140, the water pump 240 and the heat exchanger 250 are both electrically connected to an output end of the controller 140, the temperature sensor 130 is configured to detect the temperature inside the power transformer body 100, when the detected temperature rises, the input end of the controller 140 receives a signal transmitted by the temperature sensor 130 and controls the water pump 240 and the heat exchanger 250 to be started simultaneously, the cold water in the cooling pipe 231 first passes through the refrigeration process of the heat exchanger 250, and then passes through the pressure of the water pump 240 and is re-introduced into the cooling pipe 231.
In some specific embodiments, a baffle 150 is slidably disposed at the front end of the power transformer body 100 along the front-back direction thereof, a rubber column 151 for plugging the heat dissipation hole 110 is disposed on the baffle 150, the rubber column 151 is disposed corresponding to the heat dissipation hole 110, an adjusting component 160 for driving one end of the baffle 150 is disposed at the front end of the power transformer body 100, and the air for dissipating heat from the power transformer body 100 can be exhausted through the heat dissipation hole 110, because the power transformer is located outdoors, when there is rainy weather, the power transformer body 100 does not need to dissipate heat due to the temperature of the environment, in order to prevent external rainwater from entering the power transformer body 100 through the heat dissipation hole 110, the baffle 150 is driven by the adjusting component 160 to move toward the power transformer body 100, and at this time, the rubber column 151 enters the heat dissipation hole 110 to complete the plugging process of the heat dissipation hole 110.
In some specific embodiments, the adjusting assembly 160 includes a screw 161, a second motor 162, a driving gear 163 and a driven gear 164, the screw 161 is rotatably installed at the front end of the power transformer body 100, the baffle 150 is threadedly sleeved on the screw 161, the second motor 162 is fixedly disposed outside the power transformer body 100, an output shaft of the second motor 162 is connected to the driving gear 163, the driven gear 164 is engaged with the driving gear 163, the driven gear 164 is fixedly sleeved on the screw 161, the output shaft of the second motor 162 rotates to drive the driving gear 163 to rotate, and further drives the screw 161 inside the driven gear 164 to rotate, because the baffle 150 is threadedly sleeved on the screw 161, the baffle 150 moves toward the power transformer body 100.
In some specific embodiments, the front end of the power transformer body 100 is fixedly provided with a limiting rod 170, and the baffle 150 is slidably sleeved on the limiting rod 170, and due to the tendency that the rotation of the screw 161 easily drives the baffle 150 to rotate, through this arrangement, the baffle 150 can only move in the front-back direction at the front end of the power transformer body 100.
In some specific embodiments, a limiting block 171 is disposed at an end of the limiting rod 170 away from the power transformer body 100, and when the baffle 150 moves away from the power transformer body 100, the baffle 150 is prevented from completely separating from the limiting rod 170 by the limiting block 171.
In some specific embodiments, the outer surface of the rubber pillar 151 contacts the inner surface of the heat dissipation hole 110, so as to reduce the gap between the rubber pillar 151 and the heat dissipation hole 110.
The working principle of the intensive care device of the power transformer is as follows: the first motor 220 is started to drive the fan blades 221 to rotate, gas generated by rotation of the fan blades 221 enters the air outlet pipe 230 from the air collecting box 210 and finally enters the power transformer body 100, so that heat dissipation of electrical components inside the power transformer body 100 is performed, the gas after heat dissipation is discharged through the heat dissipation holes 110, because the air outlet pipe 230 is internally provided with the cooling pipe 231, the water pump 240 and the heat exchanger 250 are both fixed at the rear end of the power transformer body 100, the input end of the water pump 240 is communicated with the heat exchanger 250, the top of the water pump 240 is provided with the water injection valve 241, one end of the cooling pipe 231 extends out of the air outlet pipe 230 to be communicated with the output end of the water pump 240, the other end of the cooling pipe 231 extends out of the air outlet pipe 230 to be communicated with the heat exchanger 250, so that cold water is added into the water pump 240 by opening the water injection valve 241 and the water pump 240 is started, so that the added cold water enters the cooling pipe 231, the cooling pipe 231 is made of a heat-conducting material, the cold water in the cooling pipe 231 makes the air outlet pipe 230 at a lower temperature, so that the gas entering the power transformer body 100 is cooled by a better heat dissipation principle, the cold water pump 240 is performed again, and the cold water is pumped out of the cooling transformer body 250, so that the cold water pump 240, the cold water pump 240 is continuously, the cold water pump 240.
It should be noted that the specific model specifications of the power transformer body 100, the temperature sensor 130, the controller 140, the first motor 220, the water pump 240 and the heat exchanger 250 need to be determined by model selection according to the actual specification of the device, and the specific model selection calculation method adopts the prior art in the field, and therefore is not described in detail.
The power supply of the power transformer body 100, the temperature sensor 130, the controller 140, the first motor 220, the water pump 240 and the heat exchanger 250 and the principle thereof will be apparent to those skilled in the art and will not be described in detail herein.
The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (10)

1. An intensive care unit for power transformer is characterized by comprising
The transformer comprises a power transformer body (100), wherein heat dissipation holes (110) are formed in the front end of the power transformer body (100), a plurality of heat dissipation holes (110) are uniformly distributed in the front end of the power transformer body (100), and installation grooves (120) are formed in the rear end of the power transformer body (100);
heat dissipation mechanism (200), heat dissipation mechanism (200) are including album bellows (210), first motor (220), play tuber pipe (230), water pump (240) and heat exchanger (250), album bellows (210) are fixed in power transformer body (100) inner wall rear end, first motor (220) fixed set up in mounting groove (120), first motor (220) output shaft runs through album bellows (210) are connected with flabellum (221), go out tuber pipe (230) with album bellows (210) intercommunication, it is provided with cooling tube (231) to go out tuber pipe (230) inside, water pump (240) with heat exchanger (250) all are fixed in power transformer body (100) rear end, water pump (240) input with heat exchanger (250) switch-on, water injection valve (241) are provided with at water pump (240) top, cooling tube (231) one end is stretched out go out tuber pipe (230) with water pump (240) output intercommunication, cooling tube (231) other end stretches out tuber pipe (230) with heat exchanger (250) intercommunication.
2. The intensive care unit for the power transformer as claimed in claim 1, wherein a mounting frame (121) is fixedly disposed on an inner wall of the mounting groove (120), and the mounting frame (121) is fixedly sleeved outside the first motor (220).
3. The intensive care unit for the power transformer as recited in claim 1, wherein a bearing is disposed inside the air collecting box (210) and outside the output shaft of the first motor (220), and an outer ring of the output shaft of the first motor (220) is fixed to an inner ring of the bearing.
4. A power transformer intensive care unit according to claim 1, characterized in that the cooling duct (231) is shaped to extend in a serpentine shape inside the outlet duct (230).
5. A power transformer intensive care unit according to claim 1, characterized in that a temperature sensor (130) is disposed inside the power transformer body (100), a controller (140) is disposed outside the power transformer body (100), the temperature sensor (130) is electrically connected to an input end of the controller (140), and the water pump (240) and the heat exchanger (250) are both electrically connected to an output end of the controller (140).
6. The intensive care unit for power transformers according to claim 1, wherein a baffle (150) is slidably disposed at the front end of the power transformer body (100) along the front-back direction thereof, rubber columns (151) for plugging the heat dissipation holes (110) are disposed on the baffle (150), the rubber columns (151) are disposed corresponding to the heat dissipation holes (110), and an adjusting assembly (160) for driving one end of the baffle (150) is disposed at the front end of the power transformer body (100).
7. The intensive care unit of a power transformer as claimed in claim 6, wherein the adjusting assembly (160) comprises a screw (161), a second motor (162), a driving gear (163) and a driven gear (164), the screw (161) is rotatably mounted at the front end of the power transformer body (100), the baffle (150) is screwed on the screw (161), the second motor (162) is fixedly disposed outside the power transformer body (100), the output shaft of the second motor (162) is connected with the driving gear (163), the driven gear (164) is engaged with the driving gear (163), and the driven gear (164) is fixedly sleeved on the screw (161).
8. The intensive care unit for power transformers according to claim 6, wherein a limiting rod (170) is fixedly arranged at the front end of the power transformer body (100), and the baffle (150) is slidably sleeved on the limiting rod (170).
9. The intensive care unit for the power transformer as recited in claim 8, wherein a limiting block (171) is disposed at one end of the limiting rod (170) far away from the power transformer body (100).
10. The intensive care unit for power transformers according to claim 6, wherein the outer surface of the rubber column (151) is in contact with the inner surface of the heat dissipation hole (110).
CN202221566165.1U 2022-06-22 2022-06-22 Power transformer intensive care unit Active CN217881080U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221566165.1U CN217881080U (en) 2022-06-22 2022-06-22 Power transformer intensive care unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221566165.1U CN217881080U (en) 2022-06-22 2022-06-22 Power transformer intensive care unit

Publications (1)

Publication Number Publication Date
CN217881080U true CN217881080U (en) 2022-11-22

Family

ID=84096656

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221566165.1U Active CN217881080U (en) 2022-06-22 2022-06-22 Power transformer intensive care unit

Country Status (1)

Country Link
CN (1) CN217881080U (en)

Similar Documents

Publication Publication Date Title
CN207753326U (en) A kind of intelligent high/low-voltage power distribution cabinet
CN217881080U (en) Power transformer intensive care unit
CN207819799U (en) A kind of DC speed regulator with external fan device
CN112435833B (en) Heat dissipation mechanism of power transformer
CN212909260U (en) Motor with good heat dissipation effect
CN110611253B (en) Power distribution network transmission automatic adjustment control cabinet
CN214014721U (en) Power that radiating effect is good
CN211792384U (en) LED drive power supply convenient to outdoor carrying
CN113447709B (en) Intelligent Internet of things energy consumption detection equipment based on intelligent park
CN212136162U (en) Outdoor electronic transformer with good heat dissipation effect
CN213213334U (en) Heat radiation structure for photovoltaic inverter
CN211481825U (en) Electrical equipment heat radiation structure easy to assemble
CN209150580U (en) A kind of computer room distribution box cooling mechanism
CN221748799U (en) Switch power supply heat abstractor
CN113410773A (en) Information engineering low-voltage cabinet device
CN112510891A (en) Safety protection device of high-efficient motor
CN206976894U (en) A kind of energy saving water supply switch cubicle
CN220307665U (en) High-voltage frequency converter heat dissipation air duct structure
CN220913557U (en) Temperature control device for PLC control cabinet
CN211669611U (en) Energy-saving heat sink of computer server
CN218275716U (en) But switch board of automated inspection and control inside temperature
CN218676860U (en) Solid-state fling-cut switch
CN214960751U (en) Power cabinet cooling device for electric power
CN215634885U (en) Heat dissipation device of speed reducer
CN219536482U (en) Intelligent three-phase power regulator

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant