CN220731631U - Electrochemical energy storage safety pre-control device - Google Patents

Electrochemical energy storage safety pre-control device Download PDF

Info

Publication number
CN220731631U
CN220731631U CN202322296983.5U CN202322296983U CN220731631U CN 220731631 U CN220731631 U CN 220731631U CN 202322296983 U CN202322296983 U CN 202322296983U CN 220731631 U CN220731631 U CN 220731631U
Authority
CN
China
Prior art keywords
energy storage
battery
cabinet
control device
battery cabinet
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
CN202322296983.5U
Other languages
Chinese (zh)
Inventor
汪达
段治震
李东
刘金标
桂以礼
吴广迪
张兰霞
杨城
赵凯
王长泽
董晨
赵佳蔚
侯金磊
尤伟娜
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.)
Datang Linqing Thermal Power Co ltd
Original Assignee
Datang Linqing Thermal Power 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 Datang Linqing Thermal Power Co ltd filed Critical Datang Linqing Thermal Power Co ltd
Priority to CN202322296983.5U priority Critical patent/CN220731631U/en
Application granted granted Critical
Publication of CN220731631U publication Critical patent/CN220731631U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Landscapes

  • Battery Mounting, Suspending (AREA)

Abstract

The application provides an electrochemical energy storage safety pre-control device, and relates to the field of electrochemical energy storage. This electrochemistry energy storage safety pre-control device, including battery cabinet and the energy storage battery that is used for installation device, the inside heat dissipation damper that is provided with of battery cabinet, the inside monitoring pre-control mechanism that is used for monitoring energy storage battery temperature and carries out the pre-control that is provided with of battery cabinet, heat dissipation damper includes spring and fan, monitoring pre-control mechanism includes connecting rod and mounting panel, energy storage battery fixed mounting is in battery cabinet inner wall one end. This electrochemistry energy storage safety pre-control device is through being provided with heat dissipation damper, has solved the electrochemical energy storage device in the past and has produced a large amount of heat and probably can lead to the battery to fire the emergence of causing the accident and influence the problem of energy storage battery's use simultaneously after the long-time use of energy storage battery, has realized the beneficial effect that can dispel the heat to the battery cabinet and prevent the energy storage battery from causing the accident.

Description

Electrochemical energy storage safety pre-control device
Technical Field
The application relates to the technical field of electrochemical energy storage, in particular to an electrochemical energy storage safety pre-control device.
Background
The energy storage technology can change the mode that the production, the transportation and the use of the electric energy must be completed synchronously, improves the safety, the economy and the flexibility of the operation of the power grid, and becomes one of key technologies for supporting the development of renewable energy sources. The energy storage is a novel construction, the diversity of energy storage application scenes determines the diversified development of energy storage technologies, and no technology can meet the requirements of all energy storage scenes at the same time.
Electrochemical energy storage devices generally require an energy storage battery to store electric power, and when the energy storage battery is used, heat is generated, if the energy storage battery is not used for dissipating heat, a large amount of heat generated after the energy storage battery is used for a long time can cause the occurrence of accidents caused by the ignition of the battery and influence the use of the energy storage battery. And the heat that produces after the energy storage battery fires can make the battery cabinet door that is used for depositing the energy storage battery melt and lead to being difficult to open with the whole bonding of battery cabinet, thereby influences the going on of fire extinguishing work and leads to producing bigger loss.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the application provides an electrochemical energy storage safety pre-control device which solves the problems in the background art.
(II) technical scheme
In order to achieve the above purpose, the present application is implemented by the following technical schemes: the utility model provides an electrochemistry energy storage safety pre-control device, is including battery cabinet and the energy storage battery that is used for installation device, the inside heat dissipation damper that is provided with of battery cabinet, the inside monitoring pre-control mechanism that is used for monitoring energy storage battery temperature and carries out the pre-control that is provided with of battery cabinet, heat dissipation damper includes spring and fan, monitoring pre-control mechanism includes connecting rod and mounting panel, energy storage battery fixed mounting is in battery cabinet inner wall one end.
Preferably, the heat dissipation and shock absorption mechanism further comprises a rotating shaft, the rotating shaft is rotatably connected to two sides of the inner wall of the battery cabinet, and a cabinet door is fixedly mounted on the surface of the rotating shaft.
Preferably, a first telescopic rod is fixedly arranged on one side of the cabinet door, a hemisphere is fixedly arranged at one end of the first telescopic rod, sliding grooves are formed in two sides of the inner wall of the battery cabinet, and the first telescopic rod is slidably connected with the hemisphere on the surface of the sliding grooves.
Preferably, the spring No. one is movably wound on the surface of the telescopic rod No. one, and two ends of the spring No. one are fixedly connected to one side of the cabinet door and one end of the hemispherical body respectively.
Preferably, the fan is fixedly installed on one side of the cabinet door, a vent is formed in one side of the cabinet door, a second telescopic rod is fixedly installed on one side of the cabinet door, a rubber pad is fixedly installed on one end of the second telescopic rod, a second spring is movably wound on the surface of the second telescopic rod, and two ends of the second spring are fixedly connected to one side of the cabinet door and one side of the rubber pad respectively.
Preferably, the monitoring pre-control mechanism further comprises a connecting plate, the connecting plate is fixedly mounted on the top end of the inner wall of the battery cabinet, the number of the connecting plates is multiple, one side of each connecting plate is in threaded connection with a threaded rod, each threaded rod penetrates through the connecting plate, one side of each connecting plate is connected with a sliding rod in a sliding mode, each sliding rod is fixedly mounted with a limiting plate at one end of each threaded rod, each connecting rod is in threaded connection with the surface of each threaded rod, and each connecting rod is fixedly connected with each sliding rod.
Preferably, the notch is seted up on battery cabinet top, mounting panel fixed mounting is in notch inner wall one side and runs through the notch, mounting panel one side rotates and is connected with a gear, the threaded rod runs through the mounting panel with a gear and in a gear threaded connection.
Preferably, the mounting board one side still rotates and is connected with No. two gears, no. two gears with No. one gear engagement, mounting board one side still rotates and is connected with No. three gears, no. three gears with No. two gear engagement, mounting board opposite side fixed mounting has the motor, the motor output shaft with No. three gear fixed connection, monitoring pre-control mechanism still includes the thermal sensor, thermal sensor fixed mounting is in battery cabinet one side.
(III) beneficial effects
The application provides an electrochemical energy storage safety pre-control device. The beneficial effects are as follows:
1. this electrochemistry energy storage safety pre-control device can dispel the heat to the inside of battery cabinet through being provided with heat dissipation damper, has solved the electrochemical energy storage device in the past and generally need use the energy storage battery to store electric power, can produce heat when energy storage battery uses, if do not dispel the heat to energy storage battery, produce a large amount of heat and probably can lead to the battery to fire the emergence of causing the accident to influence the problem of energy storage battery's use simultaneously after energy storage battery uses for a long time, has realized can dispel the heat to the battery cabinet and prevent the energy storage battery from firing the beneficial effect that causes the accident.
2. This electrochemistry energy storage safety pre-control device can be in order to open the cabinet door after the monitoring device fires through being provided with monitoring pre-control mechanism, has solved the heat that produces after the past energy storage battery fires and can make the battery cabinet door that is used for depositing the energy storage battery melt and lead to the problem that leads to producing bigger loss with the going on of the whole bonding of battery cabinet that is difficult to open thereby influences the fire extinguishing work, has realized can avoiding influencing the beneficial effect that the fire extinguishing work goes on leading to producing bigger loss because of the cabinet door is difficult to open.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from them without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic view of the front view of the present application;
FIG. 2 is a schematic view of the internal structure of the battery cabinet of the present application;
FIG. 3 is a schematic view of a rotating shaft and a connecting structure thereof;
fig. 4 is a schematic diagram of a connection structure between a cabinet door and a battery cabinet in the present application;
fig. 5 is a schematic structural diagram of a monitoring pre-control mechanism of the present application.
In the figure: 1. a battery cabinet; 101. an energy storage battery; 2. a heat dissipation and shock absorption mechanism; 201. a rotating shaft; 202. a cabinet door; 203. a first telescopic rod; 204. a hemisphere; 205. a first spring; 206. a blower; 207. a second telescopic rod; 208. a rubber pad; 209. a second spring; 3. monitoring a pre-control mechanism; 301. a connecting plate; 302. a threaded rod; 303. a limiting plate; 304. a connecting rod; 305. a slide bar; 306. a mounting plate; 307. a first gear; 308. a second gear; 309. a third gear; 310. a motor; 311. a thermal sensor.
Detailed Description
It should be noted that, in the description of the embodiments of the present application, the terms "front, rear", "left, right", "upper, lower", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, and are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present application. The terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.
The present application is further elaborated by the following figures and examples.
Referring to fig. 1 and 2, this embodiment of the application provides an electrochemistry energy storage safety pre-control device, including battery cabinet 1 and the energy storage battery 101 that is used for installation device, the inside heat dissipation damper 2 that is provided with of battery cabinet 1, the inside monitor pre-control mechanism 3 that is used for monitoring energy storage battery 101 temperature and carry out the pre-control that is provided with of battery cabinet 1, heat dissipation damper 2 includes spring 205 and fan 206, monitor pre-control mechanism 3 includes connecting rod 304 and mounting panel 306, energy storage battery 101 fixed mounting is in battery cabinet 1 inner wall one end, can dispel the heat to battery cabinet 1 inside through fan 206 through heat dissipation damper 2, contact with ground earlier through rubber pad 208, the impact that receives is conducted to No. two telescopic links 207 and No. two spring 209 make No. two telescopic links 207 and No. two spring 209 retract and play the absorbing effect with impact conduction back ground, through monitor pre-control mechanism 3 can drive 302 and slide bar 305 forward move and avoid cabinet door 202 to melt after the high temperature to receive through motor 310 drive through heat sensor 311 and the monitoring temperature anomaly back, it is difficult to open to lead to the bonding with battery cabinet 1.
Referring to fig. 3 and 4, in one aspect of the present embodiment, the heat dissipation and shock absorption mechanism 2 further includes a rotation shaft 201, the rotation shaft 201 is rotatably connected to both sides of the inner wall of the battery cabinet 1, and a cabinet door 202 is fixedly installed on the surface of the rotation shaft 201.
One side of the cabinet door 202 is fixedly provided with a first telescopic rod 203, one end of the first telescopic rod 203 is fixedly provided with a hemisphere 204, both sides of the inner wall of the battery cabinet 1 are provided with sliding grooves, and the first telescopic rod 203 and the hemisphere 204 are slidably connected on the surfaces of the sliding grooves.
The first spring 205 is movably wound on the surface of the first telescopic rod 203, two ends of the first spring 205 are fixedly connected to one side of the cabinet door 202 and one end of the hemispherical body 204 respectively, the hemispherical body 204 is driven to slide on the surface of the sliding groove by the force of the cabinet door 202 after the force is applied to the cabinet door 202, so that the cabinet door 202 can be pushed away, and after the cabinet door 202 is pushed away, the cabinet door 202 drives the rotating shaft 201 to rotate so as to prevent the cabinet door 202 from being separated from the device.
Referring to fig. 2 and 3, in one aspect of the present embodiment, a fan 206 is fixedly installed on one side of a cabinet door 202, a vent is formed on one side of the cabinet door 202, a second expansion link 207 is fixedly installed on one side of the cabinet door 202, a rubber pad 208 is fixedly installed at one end of the second expansion link 207, a second spring 209 is movably wound on the surface of the second expansion link 207, two ends of the second spring 209 are respectively and fixedly connected on one side of the cabinet door 202 and one side of the rubber pad 208, by starting the fan 206, the fan 206 absorbs heat inside the battery cabinet 1 and conveys the heat together with air to the outside of the device through the vent to dissipate heat of the energy storage battery 101, after the cabinet door 202 falls down, the rubber pad 208 is firstly contacted with the ground, and the received impact is conducted to the second expansion link 207 and the second spring 209 to retract the second expansion link 207 and the second spring 209 so as to conduct the impact back to the ground to play a role of shock absorption.
Referring to fig. 1 and 5, in an aspect of the present embodiment, the monitoring and pre-controlling mechanism 3 further includes a connecting plate 301, the connecting plate 301 is fixedly installed on the top end of the inner wall of the battery cabinet 1, the number of the connecting plates 301 is plural, a threaded rod 302 is screwed on one side of the connecting plate 301, the threaded rod 302 penetrates through the connecting plate 301, a sliding rod 305 is slidingly connected on one side of the connecting plate 301, a limiting plate 303 is fixedly installed on one end of each of the sliding rod 305 and the threaded rod 302, a connecting rod 304 is screwed on the surface of the threaded rod 302, and the connecting rod 304 is fixedly connected with the sliding rod 305.
The top of the battery cabinet 1 is provided with a notch, the mounting plate 306 is fixedly mounted on one side of the inner wall of the notch and penetrates through the notch, a first gear 307 is rotatably connected to one side of the mounting plate 306, and the threaded rod 302 penetrates through the mounting plate 306 and the first gear 307 and is in threaded connection with the first gear 307.
The mounting board 306 side is also rotationally connected with the gear No. two 308, the gear No. two 308 is meshed with the gear No. one 307, the mounting board 306 side is rotationally connected with the gear No. three 309, the gear No. three 309 is meshed with the gear No. two 308, the motor 310 is fixedly arranged on the other side of the mounting board 306, the output shaft of the motor 310 is fixedly connected with the gear No. three 309, the monitoring pre-control mechanism 3 further comprises a thermal sensor 311, the thermal sensor 311 is fixedly arranged on one side of the battery cabinet 1, when the thermal sensor 311 detects abnormal temperature, the motor 310 is started, the motor 310 drives the gear No. three 309 to rotate, the gear No. three 309 is meshed with the gear No. two 308 to drive the gear No. two 308 to rotate, the gear No. two 308 is meshed with the gear No. 307 to drive the gear No. 307 to rotate, the threaded rod 302 is driven to move forwards when the gear No. one 307 rotates, and when the threaded rod 302 moves forwards, the threaded rod 302 is driven by the limiting plate 303 to move forwards together with the threaded rod 302 to push the threaded rod 305 to open the cabinet door 202 after the surface of the threaded rod 302 rotates to contact with the limiting plate 303.
All the electric equipment in this scheme all carry out the power supply through external power supply.
Working principle: when the device is used, the device is placed at a designated position, then the fan 206 is started, the fan 206 absorbs heat in the battery cabinet 1 and conveys the heat to the device through the air holes to radiate the energy storage battery 101, meanwhile, the heat sensor 311 is started, when the heat sensor 311 detects that the temperature is abnormal, the motor 310 is started, the motor 310 drives the third gear 309 to rotate, the third gear 309 is meshed with the second gear 308 to drive the second gear 308 to rotate, the second gear 308 is meshed with the first gear 307 to drive the first gear 307 to rotate, the first gear 307 drives the threaded rod 302 to move forwards when rotating, the connecting rod 304 rotates to contact with the limiting plate 303 on the surface of the threaded rod 302, the limiting plate 303 drives the threaded rod 302 and the slide rod 305 to move forwards together to jack up the cabinet door 202, the hemispheric 204 is stressed to drive the first telescopic rod 203 and the first spring 205 to slide on the surface of the slide groove to enable the cabinet door 202 to be pushed away, after the cabinet door 202 is pushed away, the cabinet door 202 drives the rotation shaft 201 to avoid the cabinet door 202 from being separated from the device, and after the cabinet door 202 is fallen down, the rubber pad 208 is contacted with the ground, and the impact on the ground is conducted to the second telescopic rod 207 and the second spring 209 to absorb the impact.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. An electrochemical energy storage safety pre-control device comprises a battery cabinet (1) and an energy storage battery (101) for mounting the device, and is characterized in that: the intelligent energy storage battery cabinet is characterized in that a heat dissipation and shock absorption mechanism (2) is arranged inside the battery cabinet (1), a monitoring pre-control mechanism (3) used for monitoring the temperature of the energy storage battery (101) and pre-controlling the temperature is arranged inside the battery cabinet (1), the heat dissipation and shock absorption mechanism (2) comprises a spring (205) and a fan (206), the monitoring pre-control mechanism (3) comprises a connecting rod (304) and a mounting plate (306), and the energy storage battery (101) is fixedly mounted at one end of the inner wall of the battery cabinet (1).
2. An electrochemical energy storage safety pre-control device according to claim 1, wherein: the heat dissipation and shock absorption mechanism (2) further comprises a rotating shaft (201), the rotating shaft (201) is rotatably connected to two sides of the inner wall of the battery cabinet (1), and a cabinet door (202) is fixedly arranged on the surface of the rotating shaft (201).
3. An electrochemical energy storage safety pre-control device according to claim 2, wherein: the novel battery cabinet is characterized in that a first telescopic rod (203) is fixedly arranged on one side of the cabinet door (202), a hemisphere (204) is fixedly arranged at one end of the first telescopic rod (203), sliding grooves are formed in two sides of the inner wall of the battery cabinet (1), and the first telescopic rod (203) is slidably connected with the hemisphere (204) on the surface of the sliding grooves.
4. An electrochemical energy storage safety pre-control device according to claim 3, wherein: the first spring (205) is movably wound on the surface of the first telescopic rod (203), and two ends of the first spring (205) are fixedly connected to one side of the cabinet door (202) and one end of the hemispherical body (204) respectively.
5. An electrochemical energy storage safety pre-control device according to claim 2, wherein: the fan (206) is fixedly arranged on one side of the cabinet door (202), a vent is formed in one side of the cabinet door (202), a second telescopic rod (207) is fixedly arranged on one side of the cabinet door (202), a rubber pad (208) is fixedly arranged at one end of the second telescopic rod (207), a second spring (209) is movably wound on the surface of the second telescopic rod (207), and two ends of the second spring (209) are fixedly connected to one side of the cabinet door (202) and one side of the rubber pad (208) respectively.
6. An electrochemical energy storage safety pre-control device according to claim 1, wherein: the monitoring pre-control mechanism (3) further comprises a connecting plate (301), the connecting plate (301) is fixedly arranged at the top end of the inner wall of the battery cabinet (1), the number of the connecting plates (301) is multiple, one side of each connecting plate (301) is in threaded connection with a threaded rod (302), each threaded rod (302) penetrates through the corresponding connecting plate (301), one side of each connecting plate (301) is in sliding connection with a sliding rod (305), each sliding rod (305) is fixedly arranged at one end of each threaded rod (302) and is fixedly provided with a limiting plate (303), each connecting rod (304) is in threaded connection with the surface of each threaded rod (302), and each connecting rod (304) is fixedly connected with each sliding rod (305).
7. The electrochemical energy storage safety pre-control device according to claim 6, wherein: the battery cabinet (1) top has seted up the notch, mounting panel (306) fixed mounting is in notch inner wall one side and runs through the notch, mounting panel (306) one side rotates and is connected with gear (307) No. one, threaded rod (302) run through mounting panel (306) with gear (307) No. one and in gear (307) threaded connection.
8. The electrochemical energy storage safety pre-control device according to claim 7, wherein: the utility model discloses a battery cabinet, including mounting panel (306), battery cabinet (1), mounting panel (306) are connected with mounting panel (306) one side still rotates, no. two gears (308) are connected with, no. two gears (308) with gear (307) meshing, mounting panel (306) one side still rotates and is connected with No. three gears (309), no. three gears (309) with gear (308) meshing, mounting panel (306) opposite side fixed mounting has motor (310), motor (310) output shaft with No. three gears (309) fixed connection, monitoring pre-control mechanism (3) still include thermal sensor (311), thermal sensor (311) fixed mounting is in battery cabinet (1) one side.
CN202322296983.5U 2023-08-25 2023-08-25 Electrochemical energy storage safety pre-control device Active CN220731631U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322296983.5U CN220731631U (en) 2023-08-25 2023-08-25 Electrochemical energy storage safety pre-control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322296983.5U CN220731631U (en) 2023-08-25 2023-08-25 Electrochemical energy storage safety pre-control device

Publications (1)

Publication Number Publication Date
CN220731631U true CN220731631U (en) 2024-04-05

Family

ID=90487331

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322296983.5U Active CN220731631U (en) 2023-08-25 2023-08-25 Electrochemical energy storage safety pre-control device

Country Status (1)

Country Link
CN (1) CN220731631U (en)

Similar Documents

Publication Publication Date Title
CN108173119A (en) Cutting power supply system and device is welded in a kind of electronics inversion
CN114583371A (en) Intelligent lithium battery module with parking and starting functions
CN220731631U (en) Electrochemical energy storage safety pre-control device
CN114937835A (en) New energy automobile battery heat abstractor
CN211097168U (en) Ground source heat pump control cabinet with function of putting out a fire fast
CN117559609B (en) Charger that low-power consumption was charged
CN221224437U (en) Lithium ion battery detection device
CN202696000U (en) Distribution box with wireless transmission system
CN114243180A (en) Novel lithium battery for new energy automobile
CN210610143U (en) Dustproof outdoor communication rack of anticollision type
CN211859209U (en) Explosion-proof type low-voltage power distribution cabinet
CN218274866U (en) Protection device of battery pack for forklift
CN111490468A (en) High-voltage power distribution cabinet
CN207834842U (en) A kind of electronics inversion welding cutting power supply system and device
CN214757353U (en) All-round isolation baffle in low-pressure control case top
CN111430636A (en) A guard box for new forms of energy battery
CN210235099U (en) Honeycomb chassis of new energy automobile
CN202782596U (en) Sunshade of solar refrigeration automobile
CN220622585U (en) Split type radiator for power generation group
CN219555532U (en) Synchronous clock generating equipment
CN220140014U (en) 5G energy-saving cabinet
CN214543061U (en) High-voltage distribution ring main unit
CN215582037U (en) Electrical equipment cabinet for electronic information engineering of protection mechanism
CN219739680U (en) Automatic management equipment for multiple photovoltaic equipment
CN221552637U (en) Block terminal with safety precaution function

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant