CN111355156A - Low-voltage switch cabinet with detection device - Google Patents

Low-voltage switch cabinet with detection device Download PDF

Info

Publication number
CN111355156A
CN111355156A CN202010194820.4A CN202010194820A CN111355156A CN 111355156 A CN111355156 A CN 111355156A CN 202010194820 A CN202010194820 A CN 202010194820A CN 111355156 A CN111355156 A CN 111355156A
Authority
CN
China
Prior art keywords
cabinet
control panel
cabinet body
data
low
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.)
Withdrawn
Application number
CN202010194820.4A
Other languages
Chinese (zh)
Inventor
杜红亮
李合欣
王�锋
王延波
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.)
Shandong Institute for Product Quality Inspection
Original Assignee
Shandong Institute for Product Quality Inspection
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 Shandong Institute for Product Quality Inspection filed Critical Shandong Institute for Product Quality Inspection
Priority to CN202010194820.4A priority Critical patent/CN111355156A/en
Publication of CN111355156A publication Critical patent/CN111355156A/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/30Cabinet-type casings; Parts thereof or accessories therefor
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/28Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/56Cooling; Ventilation
    • H02B1/565Cooling; Ventilation for cabinets
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Patch Boards (AREA)

Abstract

The invention relates to a low-voltage switch cabinet with a detection device, which aims to solve the problem that equipment in the low-voltage switch cabinet cannot be well protected due to the fact that the conventional low-voltage switch cabinet does not have a fault detection function. This low-voltage switchgear with detection device, the intelligent cabinet temperature adjusting device comprises a cabinet body, the left and right sides of cabinet body front end is equipped with the cabinet door, be equipped with the control panel on one side cabinet door, the power cord and the control line of control panel extend to the cabinet internal, the internal defrosting mechanism who is connected with the control panel that is equipped with of cabinet, the mechanism of putting out a fire, dehumidification mechanism and dust removal mechanism, be equipped with the temperature sensor who is connected with the control panel on the internal equipment frame of cabinet, humidity transducer, smoke transducer, be equipped with a plurality of current transformer on the internal branch circuit of cabinet, two secondary terminals of current transformer are connected with the control panel respectively, cabinet body left and right sides upper end all.

Description

Low-voltage switch cabinet with detection device
Technical Field
The invention relates to a switch cabinet, in particular to a low-voltage switch cabinet with a detection device.
Background
The low-voltage switch cabinet is one of electrical equipment which is widely applied, and is suitable for industries such as power plants, power grids, chemical engineering, textile, petroleum and the like. The low-voltage switch cabinet is used in an alternating-current power distribution system with rated voltage less than 1KV and used for power transmission, power distribution and electric energy conversion. Over the years, with the continuous development of the power industry, the technical development of power equipment is more mature, and the technology of low-voltage switch cabinets is also greatly developed. If equipment in the low-voltage switch cabinet breaks down, normal operation of a power system can be influenced, inconvenience is brought to users, and if the equipment does not break down in time and is repaired, more serious consequences can be caused. Therefore, certain fault detection on the low-voltage switch cabinet is very important. The existing low-voltage switch cabinet usually has no fault detection function, and not only can the fault be timely found out when the problems of equipment fault, fire, overhigh humidity and the like occur, but also no coping scheme is provided when the fault occurs; therefore, the existing low-voltage switch cabinet can not meet the actual requirement and can not well play the role of protecting equipment in the low-voltage switch cabinet.
Disclosure of Invention
The invention aims to provide a low-voltage switch cabinet with a detection device, which aims to solve the problem that equipment in the low-voltage switch cabinet cannot be well protected due to the fact that the existing low-voltage switch cabinet does not have the fault detection function.
In order to achieve the purpose, the technical scheme of the invention is as follows:
the utility model provides a low-voltage switchgear with detection device, the intelligent cabinet temperature adjusting device comprises a cabinet body, the left and right sides of cabinet body front end is equipped with the cabinet door, be equipped with the control panel on one side cabinet door, the power cord and the control line of control panel extend to the cabinet internal, the internal defrosting mechanism who is connected with the control panel that is equipped with of cabinet, the mechanism of putting out a fire, dehumidification mechanism and ash removal mechanism, be equipped with the temperature sensor who is connected with the control panel on the internal equipment frame of cabinet, humidity transducer, smoke transducer, be equipped with a plurality of current transformer on the internal branch circuit of cabinet, two secondary terminals of current transformer are connected with the control panel respectively, cabinet body left and right sides.
Preferably, defrosting mechanism is including setting up infrared heating board and the sensor that freezes on cabinet side wall, and infrared heating board and the sensor that freezes all are connected with the control panel, and infrared heating board is ceramic infrared heating board, and cabinet body bottom is equipped with water drainage tank.
Preferably, the fire extinguishing mechanism is including setting up the bucket of putting out a fire in the cabinet body outside, and the bucket of putting out a fire passes through the rubber tube and is connected with the nozzle that sets up in the cabinet body, the nozzle is a plurality of, and a plurality of nozzles are equipped with the solenoid valve towards the internal equipment setting of cabinet on the rubber tube, and the solenoid valve is connected with the control panel.
Preferably, the dehumidifying mechanism includes a ventilating fan provided at the ventilating window, and a heat radiating fan provided on the equipment rack.
Preferably, the dust removing mechanism comprises a dust sensor and an exhaust fan which are arranged in the cabinet body, and the exhaust fan is connected with the control panel.
Preferably, the left side and the right side of the rear end of the cabinet body are provided with cabinet doors, and an emergency power supply is further arranged in the cabinet body and connected with the control panel.
Preferably, the control panel is connected with the terminal server through a network, the terminal server is provided with a data storage module and a data management module, the data storage module is used for storing the data acquired by the data acquisition module, and the data management module is used for storing the data according to a set mode and sending abnormal data and an analysis result of the abnormal data to a worker;
the control panel is provided with a data acquisition module, a temporary storage module, a data monitoring module, a parameter setting module and an equipment control module;
the data acquisition module stores data monitored by the temperature sensor, the humidity sensor, the smoke sensor, the current transformer, the icing sensor and the dust sensor into the temporary storage module and the data storage module; the temporary storage module is used for storing the data acquired by the data acquisition module for nearly seven days; the data monitoring module analyzes the real-time data acquired by the data acquisition module, and sends a comparison result except for a threshold value to the equipment control module after comparing the real-time data with the preset threshold value; and the equipment control module starts corresponding equipment according to the comparison result and controls the running time of the corresponding equipment according to a set program.
The invention has the beneficial effects that:
1. according to the low-voltage switch cabinet with the detection device, whether the side wall is frosted or not can be detected through the defrosting mechanism, and defrosting can be carried out according to the condition; the fire extinguishing mechanism can detect the fire situation in the cabinet and extinguish the fire according to the situation; the dehumidifying mechanism can perform dehumidifying operation when the humidity in the cabinet is too high; when the temperature in the cabinet is high, the cooling fan and the ventilating fan can be cooled in time; the ash removing mechanism can detect that the dust in the cabinet exceeds the standard and carry out ash removing operation; the current transformer can detect the current of the set equipment, and can process the current in time when the current is abnormal, so that more serious consequences are avoided; the detection device arranged in the low-voltage switch cabinet can solve the common problems of the low-voltage switch cabinet and make corresponding emergency troubleshooting measures, so that the low-voltage switch cabinet can meet the actual requirements and can well play a role in protecting equipment in the low-voltage switch cabinet.
2. Emergency power source can provide electric power when system power supply trouble, and detection device loses the function of detecting and protecting the internal equipment of cabinet when avoiding having a power failure.
3. Through the terminal server and the functional modules on the control panel, a worker can remotely monitor the detection equipment of the cabinet body, so that the cabinet body is convenient to maintain in time; when a fault occurs in the cabinet, the control panel can detect and take corresponding measures in time so as to protect the equipment in the cabinet and ensure that the equipment in the cabinet is positioned in a proper space to ensure the normal operation of the equipment.
Drawings
FIG. 1 is a front view of a low voltage switchgear with detection device according to the present invention;
FIG. 2 is an exterior view of the cabinet;
fig. 3 is a structural view of a heat dissipation fan.
The reference numbers are as follows:
1-cabinet body, 2-cabinet door, 3-control panel, 4-electric shutter, 5-infrared heating plate, 6-icing sensor, 7-fire extinguishing barrel, 8-nozzle, 9-cooling fan, 10-exhaust fan, 11-emergency power supply.
Detailed Description
The invention is described in further detail below with reference to the following figures and specific examples:
the utility model provides a low-voltage switchgear with detection device, as shown in fig. 1 to 3, includes the cabinet body 1 to and the control panel 3, the defrosting mechanism, the mechanism of putting out a fire, dehumidification mechanism, dust removal mechanism, temperature sensor, humidity transducer, smoke transducer, current transformer, ventilation window, emergency power supply, electronic shutter 4 that set up on the cabinet body.
The left and right sides of the cabinet body 1 front end is equipped with cabinet door 2, is equipped with control panel 3 on one side cabinet door 2, and control panel 3's power cord and control line extend to the cabinet body 1 in, therefore control panel 3 is convenient for the staff to observe the operating condition of check out test set in the cabinet.
The temperature sensor, the humidity sensor and the smoke sensor are connected with the control panel 3. Be equipped with the display screen on the control panel 3, the display screen is convenient for the staff to know the state of equipment and check out test set in the cabinet directly perceivedly to set up each check out test set's parameter in the cabinet through main control board 3.
The upper ends of the left side and the right side of the cabinet body 1 are respectively provided with a ventilation window, and an electric shutter 4 is arranged at the position of the ventilation window.
The defrosting mechanism comprises an infrared heating plate 5 and an icing sensor 6 which are arranged on the side wall of the cabinet body 1, the infrared heating plate 5 and the icing sensor 6 are both connected with the control panel 3, the infrared heating plate 5 is a ceramic infrared heating plate 5, and the ceramic infrared heating plate 5 is rapid in heating, low in power and very safe in heating process and is suitable for heating the outer wall of the distribution box 1; the bottom of the cabinet body 1 is provided with a drainage channel. When the environmental temperature is reduced, the side wall of the cabinet body 1 begins to frost, so that the infrared heating plate 5 can be started at a fixed time when the temperature is below zero, the side wall of the cabinet body 1 is heated and defrosted, or the icing sensor 6 is used for detecting whether the side wall is frosted, and then the infrared heating plate 5 is used for defrosting; the excess water is drained through a drain tank.
The mechanism of putting out a fire is connected with the nozzle 8 that sets up in the cabinet body 1 through the rubber tube including setting up the bucket 7 of putting out a fire in the cabinet body 1 outside, bucket 7 of putting out a fire, and nozzle 8 is a plurality of, and a plurality of nozzles 8 are towards the internal equipment setting of cabinet, and consequently nozzle 8 can be followed a plurality of angles and is right in step equipment is put out a fire, and then realizes putting out a fire fast, and the guarantee is interior equipment is not damaged. The rubber tube is provided with an electromagnetic valve which is connected with the control panel 3. When fire occurs in the cabinet, the temperature in the cabinet rises and smoke occurs; therefore, the conditions such as smoke, fire and the like can be detected through the temperature sensor and the smoke sensor, and the control panel 3 controls the electromagnetic valve so that the nozzle 9 extinguishes the equipment in the cabinet. The fire bucket 7 adopts carbon dioxide fire extinguishing medium.
Dehumidification mechanism is including setting up the ventilating fan in ventilation window department to and set up radiator fan 9 on equipment rack, and the potential safety hazard can exist to the humidity height in the cabinet, consequently need keep humidity within the settlement scope, can detect out the humidity in the current cabinet through humidity transducer, and when humidity was too high in the cabinet, control panel 3 control ventilating fan, and open electronic shutter 4 and ventilate, and radiator fan 9 can accelerate the air flow speed in the cabinet.
When the control panel 3 detects that the temperature in the cabinet is higher through the temperature sensor, the equipment in the cabinet can be cooled through the cooling fan 9, and hot air is discharged through the ventilating fan, so that the cooling of the cabinet body 1 is realized.
The ash removing mechanism comprises a dust sensor and an exhaust fan 10 which are arranged in the cabinet body 1, and the exhaust fan 10 is connected with the control panel 3. When the dust sensor detects that the dust in the cabinet body 1 exceeds the standard, the control panel 3 controls the exhaust fan 10 to perform air replacement, and meanwhile, the air flowing speed in the cabinet can be accelerated by the cooling fan 9, so that the dust removing speed is increased. And then can avoid the interior part of cabinet to expose the problem that moisture in the component absorbs the air and leads to the component corruption after the component is covered by the dust.
Be equipped with a plurality of current transformer on the branch circuit in the cabinet body 1, two secondary terminals of current transformer are connected with control panel 3 respectively, and current transformer can detect the electric current of settlement equipment, and then can in time handle when the electric current is unusual, avoids taking place more serious consequence.
The left and right sides at 1 rear end of the cabinet body is equipped with cabinet door 2, consequently can be convenient for the staff to maintain and overhaul check out test set.
Still be equipped with emergency power source 11 in the cabinet body 1, emergency power source 11 is connected with control panel 3. The emergency power supply 11 can provide power when the system power supply fails, and the detection device can be prevented from losing the functions of detecting and protecting the equipment in the cabinet 1 when power failure occurs.
The control panel 3 is connected with a terminal server through a network, the terminal server is provided with a data storage module and a data management module, the data storage module is used for storing data acquired by the data acquisition module, the data management module is used for storing the data according to a set mode and sending abnormal data and an analysis result of the abnormal data to a worker; thereby the staff can be long-range monitors the check out test set of the cabinet body 1, is convenient for in time maintain.
The control panel 3 is provided with a data acquisition module, a temporary storage module, a data monitoring module, a parameter setting module and an equipment control module;
the data acquisition module stores data monitored by the temperature sensor, the humidity sensor, the smoke sensor, the current transformer, the icing sensor 6 and the dust sensor into the temporary storage module and the data storage module;
the temporary storage module is used for storing the data acquired by the data acquisition module for nearly seven days;
the data monitoring module analyzes the real-time data acquired by the data acquisition module, and sends a comparison result except for a threshold value to the equipment control module after comparing the real-time data with the preset threshold value;
and the equipment control module starts corresponding equipment according to the comparison result and controls the running time of the corresponding equipment according to a set program.
When a fault occurs in the cabinet, the control panel 3 can detect and take corresponding measures in time, so that equipment in the cabinet is protected and located in a proper space, and the equipment in the cabinet can normally operate.
The detection device arranged in the low-voltage switch cabinet can solve the common problems of the low-voltage switch cabinet and make corresponding emergency troubleshooting measures, so that the low-voltage switch cabinet can meet the actual requirements and can well play a role in protecting equipment in the low-voltage switch cabinet.
The above description is only an embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to other related technical fields, are included in the scope of the present invention.

Claims (7)

1. The utility model provides a low-voltage switchgear with detection device which characterized in that: including the cabinet body (1), the left and right sides of the cabinet body (1) front end is equipped with cabinet door (2), be equipped with control panel (3) on one side cabinet door (2), the power cord and the control line of control panel (3) extend to in the cabinet body (1), be equipped with the defrosting mechanism who is connected with control panel (3) in the cabinet body (1), the mechanism of putting out a fire, dehumidification mechanism and dust removal mechanism, be equipped with the temperature sensor who is connected with control panel (3) on the equipment rack in the cabinet body (1), humidity transducer, smoke transducer, be equipped with a plurality of current transformer on the branch circuit in the cabinet body (1), two secondary terminals of current transformer are connected with control panel (3) respectively, the cabinet body (1) left and right sides upper end all is equipped with the ventilation window, ventilation window department is equipped.
2. A low-voltage switchgear with detection device according to claim 1, characterized in that: defrosting mechanism is including setting up infrared heating board (5) and freezing sensor (6) on the cabinet body (1) lateral wall, and infrared heating board (5) and freezing sensor (6) all are connected with control panel (3), and infrared heating board (5) are ceramic infrared heating board (5), and the cabinet body (1) bottom is equipped with water drainage tank.
3. A low-voltage switchgear with detection device according to claim 2, characterized in that: the fire extinguishing mechanism comprises a fire extinguishing barrel (7) arranged on the outer side of the cabinet body (1), the fire extinguishing barrel (7) is connected with a plurality of nozzles (8) arranged in the cabinet body (1) through rubber pipes, the nozzles (8) are arranged in a plurality of nozzles (8) towards equipment in the cabinet body (1), electromagnetic valves are arranged on the rubber pipes, and the electromagnetic valves are connected with the control panel (3).
4. A low voltage switchgear with detection device according to any of claims 1 to 3, characterized in that: the dehumidifying mechanism comprises a ventilating fan arranged at the ventilating window and a radiating fan (9) arranged on the equipment rack.
5. A low-voltage switchgear with detection device according to claim 4, characterized in that: the ash removing mechanism comprises a dust sensor and an exhaust fan (10) which are arranged in the cabinet body (1), and the exhaust fan (10) is connected with the control panel (3).
6. A low-voltage switchgear with detection device according to claim 5, characterized in that: the left and right sides of the rear end of the cabinet body (1) are provided with cabinet doors (2), an emergency power supply (11) is further arranged in the cabinet body (1), and the emergency power supply (11) is connected with the control panel (3).
7. A low-voltage switchgear with detection device according to claim 6, characterized in that: the control panel (3) is connected with the terminal server through a network, the terminal server is provided with a data storage module and a data management module, the data storage module is used for storing data acquired by the data acquisition module, and the data management module is used for storing the data according to a set mode and sending abnormal data and an analysis result of the abnormal data to a worker;
the control panel (3) is provided with a data acquisition module, a temporary storage module, a data monitoring module, a parameter setting module and an equipment control module;
the data acquisition module stores data monitored by the temperature sensor, the humidity sensor, the smoke sensor, the current transformer, the icing sensor (6) and the dust sensor into the temporary storage module and the data storage module; the temporary storage module is used for storing the data acquired by the data acquisition module for nearly seven days; the data monitoring module analyzes the real-time data acquired by the data acquisition module, and sends a comparison result except for a threshold value to the equipment control module after comparing the real-time data with the preset threshold value; and the equipment control module starts corresponding equipment according to the comparison result and controls the running time of the corresponding equipment according to a set program.
CN202010194820.4A 2020-03-19 2020-03-19 Low-voltage switch cabinet with detection device Withdrawn CN111355156A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010194820.4A CN111355156A (en) 2020-03-19 2020-03-19 Low-voltage switch cabinet with detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010194820.4A CN111355156A (en) 2020-03-19 2020-03-19 Low-voltage switch cabinet with detection device

Publications (1)

Publication Number Publication Date
CN111355156A true CN111355156A (en) 2020-06-30

Family

ID=71194589

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010194820.4A Withdrawn CN111355156A (en) 2020-03-19 2020-03-19 Low-voltage switch cabinet with detection device

Country Status (1)

Country Link
CN (1) CN111355156A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112018621A (en) * 2020-09-07 2020-12-01 山东臣乔电气科技股份有限公司 Intelligent control system of power switch cabinet
CN112362808A (en) * 2020-11-10 2021-02-12 贵州华亿绿色纺织产业科技有限公司 High-temperature smoke humidity sampling analyzer
CN114024216A (en) * 2022-01-05 2022-02-08 山东广域科技有限责任公司 Be used for cubical switchboard health status monitoring devices
EP3996478A1 (en) * 2020-11-04 2022-05-11 PTC Rail OEM GmbH System for safety-oriented dissipation of heat from a switch cabinet
CN116914583A (en) * 2023-07-17 2023-10-20 扬州长泉电器设备有限公司 Power switch cabinet monitoring device and method based on Internet of things

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112018621A (en) * 2020-09-07 2020-12-01 山东臣乔电气科技股份有限公司 Intelligent control system of power switch cabinet
EP3996478A1 (en) * 2020-11-04 2022-05-11 PTC Rail OEM GmbH System for safety-oriented dissipation of heat from a switch cabinet
CN112362808A (en) * 2020-11-10 2021-02-12 贵州华亿绿色纺织产业科技有限公司 High-temperature smoke humidity sampling analyzer
CN114024216A (en) * 2022-01-05 2022-02-08 山东广域科技有限责任公司 Be used for cubical switchboard health status monitoring devices
CN114024216B (en) * 2022-01-05 2022-03-08 山东广域科技有限责任公司 Be used for cubical switchboard health status monitoring devices
CN116914583A (en) * 2023-07-17 2023-10-20 扬州长泉电器设备有限公司 Power switch cabinet monitoring device and method based on Internet of things
CN116914583B (en) * 2023-07-17 2024-02-09 大格电气有限公司 Power switch cabinet monitoring device and method based on Internet of things

Similar Documents

Publication Publication Date Title
CN111355156A (en) Low-voltage switch cabinet with detection device
CN107491123B (en) Intelligent control system and method for maintenance-free breather of transformer
CN206774911U (en) A kind of integrated power distribution cabinet of intelligent fire fighting
CN209249956U (en) A kind of remote controlled on-off switch cabinet
CN104602483A (en) Refrigerating control method, device and system for cabinet
CN206380211U (en) Wisdom rack
CN204927885U (en) Multi -functional switch board that radiating effect is good
CN208537993U (en) A kind of novel transformer substation intelligent comprehensive dehumidification system
CN220213772U (en) Fire protection pressure relief system of energy storage system
CN103149910A (en) Ventilation intelligent control system in transformer substation room
WO2021031260A1 (en) Intelligent quick replacement system for high-voltage switch cabinet
CN116139431A (en) Water fire-fighting fire extinguishing system of energy storage power station and operation method thereof
CN114024221A (en) Energy storage system prefabricated cabin explosion-proof system
CN203039265U (en) Automatic exhaust device used for storage battery and high-pressure chamber
CN105259884A (en) Substation ventilation intelligent control system
CN110829236A (en) Outdoor frost condensation prevention distribution box special for electric power supply and distribution and use method thereof
CN220775019U (en) Power supply and distribution control cabinet
CN220874117U (en) Resident power distribution high-voltage switch cabinet
CN219498565U (en) Electrical power distribution cabinet for building
CN215527630U (en) Novel frame circuit breaker for low-voltage circuit
CN203554873U (en) Refrigeration control system of machine cabinet
CN117526136B (en) Multidirectional cooling type high-voltage board with internal and external airflow circulation function
CN220105577U (en) Temperature and humidity monitoring and adjusting system of low-voltage switch cabinet
CN220324946U (en) Integrated switch cabinet with self-extinguishing function
CN213243129U (en) Collection accuse cabinet microenvironment monitored control system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20200630