CN212827922U - Electric vehicle charger adopting chilled water for precooling - Google Patents

Electric vehicle charger adopting chilled water for precooling Download PDF

Info

Publication number
CN212827922U
CN212827922U CN202021178045.5U CN202021178045U CN212827922U CN 212827922 U CN212827922 U CN 212827922U CN 202021178045 U CN202021178045 U CN 202021178045U CN 212827922 U CN212827922 U CN 212827922U
Authority
CN
China
Prior art keywords
cooling
water
pipe
electric vehicle
vehicle charger
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
CN202021178045.5U
Other languages
Chinese (zh)
Inventor
叶楚安
黄大强
杨小植
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.)
Shenzhen Autoway Power Technology Co ltd
Original Assignee
Shenzhen Autoway Power Technology 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 Shenzhen Autoway Power Technology Co ltd filed Critical Shenzhen Autoway Power Technology Co ltd
Priority to CN202021178045.5U priority Critical patent/CN212827922U/en
Application granted granted Critical
Publication of CN212827922U publication Critical patent/CN212827922U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/12—Electric charging stations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/16—Information or communication technologies improving the operation of electric vehicles
    • Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
    • Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
    • Y04S30/12—Remote or cooperative charging

Landscapes

  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

The utility model discloses an electric vehicle charger pre-cooled by chilled water, which comprises an electric vehicle charger body, a cooling tower, a refrigeration main machine and a cooling device, wherein the top of the electric vehicle charger body is provided with the cooling tower, the bottom of the left end of a spraying device is connected with a cooling water supply pipe, the bottom of the inner side of the cooling tower is provided with a water tank, the right end of the bottom of the water tank is provided with a cooling water outlet pipe, the cooling water supply pipe and the bottom of the cooling water outlet pipe are connected with the refrigeration main machine, the right end of the bottom of the refrigeration main machine is connected with a second cooling circulating pump through a water return pipe, the left end of the bottom of the refrigeration main machine is connected with a first cooling circulating pump through a water supply pipe, a cooling device is connected between the water supply pipe and the water return pipe, the circulating refrigeration cooling is controlled, the refrigeration cooling effect is good, and the cooling efficiency is controlled by intelligently monitoring the real-time temperature.

Description

Electric vehicle charger adopting chilled water for precooling
Technical Field
The utility model relates to an electric automobile fills machine technical field, specifically is an adopt electric automobile who freezes water precooling to fill machine.
Background
The charger for the electric automobile is a device special for charging the automobile battery of the electric automobile, and is a power conversion device with a specific function used for charging the battery. The electric vehicle charger may be divided into a direct current charger and an alternating current charger.
The chilled water precooling device of the conventional electric vehicle charger is complex, high in cost, poor in effect, incapable of efficiently controlling circulating refrigeration cooling, incapable of manually controlling the circulating speed, difficult to intelligently monitor real-time temperature for controlling cooling, unreasonable in design and low in efficiency.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides an adopt electric automobile machine that charges of refrigerated water precooling has solved the refrigerated water precooling apparatus that current electric automobile machine that charges comparatively complicacy, and is with high costs, can not the efficient control cycle refrigeration cooling, and the effect is poor, can not manual control circulation speed size, is difficult to intelligent monitoring real-time temperature and controls the cooling, and the design is unreasonable, the problem of inefficiency.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an electric vehicle charger precooled by chilled water comprises an electric vehicle charger body, a cooling tower, a refrigeration host and a cooling device, wherein the cooling tower is arranged at the top of the electric vehicle charger body, a motor is arranged in the middle of the top of the cooling tower, the bottom of the motor is electrically connected with a cooling fan, a spray device is arranged at the bottom of the cooling fan, cooling spray heads are distributed at the bottom of the spray device, a cooling water supply pipe is connected to the bottom of the left end of the spray device, a water tank is arranged at the bottom of the inner side of the cooling tower, a cooling water outlet pipe is arranged at the right end of the bottom of the water tank, the refrigeration host is connected to the bottoms of the cooling water supply pipe and the cooling water outlet pipe, a second cooling circulating pump is connected to the right end of the bottom of the refrigeration host through a water return pipe, the bottom of delivery pipe is connected with the inlet tube, the bottom of inlet tube is connected with the flowmeter, the outer end of flowmeter is connected with flow control valve, be connected with cooling device between delivery pipe and the wet return, cooling device's inside distribution has the condenser pipe, the top electric connection of refrigeration host computer has thermocouple temperature sensor.
Preferably, the bottom of the rear end of the electric vehicle charger body is provided with heat dissipation holes, and the heat dissipation holes are of rectangular structures.
Preferably, the upper end of the rear part of the electric vehicle charger body is electrically connected with a control panel, the front part of the control panel is provided with a display screen, and control keys are distributed on the right part of the display screen.
Preferably, the EVA backing plate is bonded to the outer end of the bottom of the electric vehicle charger body, and the EVA backing plate is of a disc-shaped structure.
Preferably, the outer end of the water inlet pipe is connected with a water pipe mounting head, and the outer end of the water pipe mounting head is connected with a bolt fixing part.
Preferably, a metal filter screen is installed at the top of the cooling tower and is located at the outer end of the motor.
Preferably, the outer end of the bottom of the cooling tower is welded with a mounting plate, and mounting holes are distributed in the mounting plate.
(III) advantageous effects
The utility model provides an adopt electric automobile machine that charges of refrigerated water precooling. The method has the following beneficial effects:
this adopt electric automobile machine that charges of refrigerated water precooling, connect cooling fan through the motor that sets up at the cooling tower top, but the cooling of efficient control heat dissipation, through at the first cooling circulating pump and the second cooling circulating pump that cooling main machine bottom left end and right-hand member process delivery pipe and wet return connection, but the cooling of efficient control circulation refrigeration, through flowmeter and the flow control valve of connecting bottom the inlet tube, be convenient for control circulation speed and flow, through the condenser pipe that sets up in cooling device's inside, the refrigeration cooling effect is good, thermocouple temperature sensor through the top electric connection at the cooling main machine, but the real-time temperature of intelligent monitoring controls cooling efficiency, and reasonable design.
Drawings
Fig. 1 is a schematic external structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
fig. 3 is a schematic structural diagram of the cooling tower of the present invention.
In the figure, an electric vehicle charger body 1, a cooling tower 2, a control panel 3, heat dissipation holes 4, a water pipe mounting head 5, an EVA base plate 6, a refrigeration host 7, a cooling device 8, a condensation pipe 9, a first cooling circulation pump 10, a second cooling circulation pump 11, a flowmeter 12, a flow control valve 13, a water inlet pipe 14, a water supply pipe 15, a water return pipe 16, a cooling water supply pipe 17, a cooling water outlet pipe 18, a thermocouple temperature sensor 19, a water tank 20, a cooling fan 21, a motor 22, a metal filter screen 23, a spraying device 24, a cooling spray nozzle 25 and a mounting plate 26.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, an embodiment of the present invention provides a technical solution: an electric vehicle charger capable of pre-cooling by chilled water comprises an electric vehicle charger body 1, a cooling tower 2, a refrigeration host 7 and a cooling device 8, wherein the cooling tower 2 is arranged at the top of the electric vehicle charger body 1, a motor 22 is arranged in the middle of the top of the cooling tower 2, the bottom of the motor 22 is electrically connected with a cooling fan 21, a spray device 24 is arranged at the bottom of the cooling fan 21, cooling spray nozzles 25 are distributed at the bottom of the spray device 24, a cooling water supply pipe 17 is connected at the bottom of the left end of the spray device 24, a water tank 20 is arranged at the bottom of the inner side of the cooling tower 2, a cooling water outlet pipe 18 is arranged at the right end of the bottom of the water tank 20, the refrigeration host 7 is connected with the bottom of the cooling water outlet pipe 18 through a cooling water return pipe 16, and a second cooling circulating pump 11 is connected at, the bottom left end of refrigeration host computer 7 is connected with first cooling circulation pump 10 through delivery pipe 15, the bottom of delivery pipe 15 is connected with inlet tube 14, the bottom of inlet tube 14 is connected with flowmeter 12, flowmeter 12's outer end is connected with flow control valve 13, be connected with cooling device 8 between delivery pipe 15 and the wet return 16, cooling device 8's internal distribution has condenser pipe 9, the top electric connection of refrigeration host computer 7 has thermocouple temperature sensor 19.
The electric automobile charger body 1's rear end bottom distributes there is the louvre 4, louvre 4 is the rectangle structure, can further carry out high-efficient heat dissipation.
Electric automobile machine 1 that charges's rear portion upper end electric connection has control panel 3, control panel 3's front portion is equipped with the display screen, the right part cloth of display screen has the control button, is convenient for intellectuality to control the refrigeration.
The outer end of the bottom of the electric vehicle charger body 1 is bonded with an EVA (ethylene vinyl acetate) base plate 6, the EVA base plate 6 is of a disc structure, and is stable in support, anti-skidding, wear-resistant and noise-reducing.
The outer end of inlet tube 14 is connected with water pipe installation head 5, the outer end of water pipe installation head 5 is connected with the bolt mounting, and the location installation inlet channel of being convenient for is dismantled conveniently.
A metal filter screen 23 is installed at the top of the cooling tower 2, the metal filter screen 23 is located at the outer end of the motor 22, and is used for filtering and purifying dust, so that the installation and the disassembly are convenient.
The welding of the bottom outer end of cooling tower 2 has mounting panel 26, the internal distribution of mounting panel 26 has the mounting hole, and mounting structure intensity is high.
The working principle is as follows: through the operation control of the control panel 3, the water pipe mounting head 5 is connected with an external water inlet pipe, the water pipe 14 enters the water pipe, the first cooling circulating pump 10 and the second cooling circulating pump 11 are started to efficiently circulate in the water supply pipe 15, the water return pipe 16, the cooling water supply pipe 17 and the cooling water outlet pipe 18, the water is refrigerated through the refrigeration host 7, the water is sprayed and cooled through a plurality of cooling spray heads 25 at the bottom of the spraying device 24, the motor 22 at the top of the cooling tower 2 is used for controlling the cooling fan 21 to dissipate heat and cool, the water is cooled through the condensation pipe 9 in the cooling device 8, the flow meter 12 connected at the bottom of the water inlet pipe 14 can be manually controlled and adjusted through the flow control valve 13, the circulation speed and the flow rate can be conveniently controlled, the thermocouple temperature sensor 19 electrically connected at the top of the refrigeration host 7 intelligently, the thermocouple temperature sensor 19 is composed of two conductors made of different materials, a closed loop is formed when the two conductors are contacted, electromotive force is generated in the loop due to different temperatures of contact points of the two materials, and the temperature is judged according to the magnitude of the electromotive force.
The utility model discloses an electric automobile charger body 1, cooling tower 2, control panel 3, louvre 4, water pipe installation head 5, EVA backing plate 6, refrigeration host 7, cooling device 8, condenser pipe 9, first cooling circulation pump 10, second cooling circulation pump 11, flowmeter 12, flow control valve 13, inlet tube 14, delivery pipe 15, wet return 16, cooling water supply pipe 17, cooling outlet pipe 18, thermocouple temperature sensor 19, water tank 20, cooling fan 21, motor 22, metal filters 23, spray set 24, cooling shower nozzle 25, mounting panel 26, the part is the parts that general standard component or technical staff in the field know, its structure and principle all can be known or can be known through conventional experimental approach through the technical manual for this technical staff, the problem that the utility model solves is that the refrigerated water precooling device of current electric automobile charger is comparatively complicated, it is with high costs, can not the efficient control circulation refrigeration cooling, the effect is poor, can not the manual control speed size, is difficult to the intelligent monitoring real-time temperature and controls the cooling, and the design is unreasonable, and is inefficient, the utility model discloses a combination mutually of above-mentioned parts, but the cooling of efficient control heat dissipation, circulation refrigeration cooling, the control circulation speed and the flow of being convenient for, freezing cooling effect is good, and intelligent monitoring real-time temperature controls cooling efficiency, reasonable in design.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (7)

1. The utility model provides an adopt electric automobile machine that charges of refrigerated water precooling which characterized in that: including electric automobile machine of charging body (1), cooling tower (2), refrigeration host computer (7) and cooling device (8), the top that electric automobile machine of charging body (1) is equipped with cooling tower (2), be equipped with motor (22) in the middle of the top of cooling tower (2), the bottom electric connection of motor (22) has cooling fan (21), the bottom of cooling fan (21) is equipped with spray set (24), the bottom distribution of spray set (24) has cooling shower nozzle (25), the left end bottom of spray set (24) is connected with cooling water supply pipe (17), the inboard bottom of cooling tower (2) is equipped with water tank (20), the bottom right-hand member of water tank (20) is equipped with cooling outlet pipe (18), cooling water supply pipe (17) and the bottom of cooling outlet pipe (18) are connected with refrigeration host computer (7), the bottom right-hand member of refrigeration host computer (7) is connected with second cooling circulation pump(s) (16) through wet return (16) 11) The utility model discloses a refrigerator, the bottom left end of refrigeration host computer (7) is connected with first cooling circulation pump (10) through delivery pipe (15), the bottom of delivery pipe (15) is connected with inlet tube (14), the bottom of inlet tube (14) is connected with flowmeter (12), the outer end of flowmeter (12) is connected with flow control valve (13), be connected with cooling device (8) between delivery pipe (15) and wet return (16), the internal distribution of cooling device (8) has condenser pipe (9), the top electric connection of refrigeration host computer (7) has thermocouple temperature sensor (19).
2. The electric vehicle charger adopting chilled water for precooling according to claim 1, characterized in that: the electric automobile charger body (1) is characterized in that heat dissipation holes (4) are distributed at the bottom of the rear end of the electric automobile charger body, and the heat dissipation holes (4) are of rectangular structures.
3. The electric vehicle charger adopting chilled water for precooling according to claim 1, characterized in that: the electric automobile charger is characterized in that the upper end of the rear part of the electric automobile charger body (1) is electrically connected with a control panel (3), a display screen is arranged on the front part of the control panel (3), and control keys are distributed on the right part of the display screen.
4. The electric vehicle charger adopting chilled water for precooling according to claim 1, characterized in that: the electric automobile fills the outer end bonding of bottom of machine body (1) and has EVA backing plate (6), just EVA backing plate (6) are disc type structure.
5. The electric vehicle charger adopting chilled water for precooling according to claim 1, characterized in that: the outer end of the water inlet pipe (14) is connected with a water pipe mounting head (5), and the outer end of the water pipe mounting head (5) is connected with a bolt fixing part.
6. The electric vehicle charger adopting chilled water for precooling according to claim 1, characterized in that: a metal filter screen (23) is installed at the top of the cooling tower (2), and the metal filter screen (23) is located at the outer end of the motor (22).
7. The electric vehicle charger adopting chilled water for precooling according to claim 1, characterized in that: the bottom outer end welding of cooling tower (2) has mounting panel (26), the internal distribution of mounting panel (26) has the mounting hole.
CN202021178045.5U 2020-06-23 2020-06-23 Electric vehicle charger adopting chilled water for precooling Active CN212827922U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021178045.5U CN212827922U (en) 2020-06-23 2020-06-23 Electric vehicle charger adopting chilled water for precooling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021178045.5U CN212827922U (en) 2020-06-23 2020-06-23 Electric vehicle charger adopting chilled water for precooling

Publications (1)

Publication Number Publication Date
CN212827922U true CN212827922U (en) 2021-03-30

Family

ID=75176188

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021178045.5U Active CN212827922U (en) 2020-06-23 2020-06-23 Electric vehicle charger adopting chilled water for precooling

Country Status (1)

Country Link
CN (1) CN212827922U (en)

Similar Documents

Publication Publication Date Title
CN113183792A (en) Direct current liquid cooling rifle that charges and liquid cooling system thereof
CN212827922U (en) Electric vehicle charger adopting chilled water for precooling
CN202048638U (en) Air conditioning device for vehicle-mounted semiconductor
CN213857022U (en) Cast member cooling device suitable for casting
CN104006480A (en) Distributary plate type evaporating cooling air conditioner system driven by photovoltaic direct current
CN218630688U (en) Assembled computer machine case convenient to heat dissipation
CN213367211U (en) Power distribution cabinet with remote terminal control function
CN213072500U (en) Automatic integrated control device of generating set
CN212827913U (en) Air-cooled heat dissipation mechanism of electric vehicle charger
CN212070876U (en) Cooling circulation water tank for welding machine
CN208576942U (en) A kind of department of anesthesia's storage device
CN210016101U (en) Heat dissipation regulator cubicle
CN209588253U (en) A kind of cooling device
CN205769213U (en) A kind of jetting machine of band water cooling
CN210638543U (en) Cooling device is used in chemical product processing
CN213119583U (en) High-efficient evaporation cooling formula cooling water set
CN218436484U (en) Asphalt pavement rolling cooling device
CN209902186U (en) Forging cooling device
CN221103868U (en) Electrical control cabinet
CN218884340U (en) Semiconductor temperature control device
CN215952193U (en) Cooling device for kiln tail of rotary kiln
CN210268244U (en) Environmental protection metallurgy professional equipment heat sink
CN217056265U (en) Electric vehicle transmission device with heat dissipation mechanism
CN218672610U (en) High-efficient heat transfer structure of mobile air conditioner
CN211908119U (en) Novel air-cooled power distribution cabinet

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant