CN111600223A - High-protection type electric energy storage device for photovoltaic power grid and control method - Google Patents
High-protection type electric energy storage device for photovoltaic power grid and control method Download PDFInfo
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- CN111600223A CN111600223A CN202010512298.XA CN202010512298A CN111600223A CN 111600223 A CN111600223 A CN 111600223A CN 202010512298 A CN202010512298 A CN 202010512298A CN 111600223 A CN111600223 A CN 111600223A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/50—Pedestal- or pad-mounted casings; Parts thereof or accessories therefor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/16—Earthing arrangements
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/306—Accessories, e.g. windows
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
- H02H5/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal fluid pressure, liquid level or liquid displacement, e.g. Buchholz relays
- H02H5/083—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal fluid pressure, liquid level or liquid displacement, e.g. Buchholz relays responsive to the entry or leakage of a liquid into an electrical appliance
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Catching Or Destruction (AREA)
Abstract
A high protection type electric energy storage device for a photovoltaic power grid and a control method thereof are provided, wherein an electric cabinet is arranged at an intermediate position right above a base, a storage battery is arranged at the inner bottom of the electric cabinet, an inverter, an electricity meter and a total electric brake are sequentially arranged in the electric cabinet, the inverter, the electricity meter and the total electric brake are positioned above the storage battery, a ceiling is arranged right above the outside of the electric cabinet, exhaust fans are arranged above the inner top of the electric cabinet, four blowing fans are respectively arranged at the left side and the right side of the inside of the electric cabinet correspondingly in pairs, lightning rods are arranged at one side above the ceiling, a detection device is arranged at the intermediate position inside the base, a bird repeller is arranged at the other side of the ceiling, the structure is simple, lightning stroke and sunlight exposure can be effectively prevented, and the temperature inside the electric cabinet can be ensured through the exhaust fans and the, simultaneously, still can detect the ponding condition of electricity cabinet position through detection device, avoid taking place the electric shock and hinder people's accident.
Description
Technical Field
The invention relates to the technical field of electric power energy storage devices, in particular to a high-protection type electric power energy storage device for a photovoltaic power grid and a control method.
Background
The photovoltaic is a solar photovoltaic power generation system for short, is a novel power generation system which directly converts solar radiation energy into electric energy by utilizing the photovoltaic effect of a solar cell semiconductor material and has two modes of independent operation and grid-connected operation.
The current security performance of photovoltaic energy memory is very poor, suffers the electric shock easily when thunderstorm weather, causes loss of property, and when plum rain season, the ponding volume is too big, overflows the electric cabinet easily, causes the electric leakage electric shock accident, can also cause the loss of property.
Disclosure of Invention
The invention aims to provide a high-protection type electric power energy storage device for a photovoltaic power grid and a control method thereof, aiming at the defects and the defects of the prior art, the high-protection type electric power energy storage device is simple in structure, can effectively prevent lightning stroke and sunlight insolation, can ensure the temperature inside an electric cabinet through an exhaust fan and a blowing fan, and can detect the water accumulation condition at the position of the electric cabinet through a detection device so as to avoid the accident of hurting people by electric shock.
In order to achieve the purpose, the invention adopts the following technical scheme: it contains base, electric cabinet, battery, dc-to-ac converter, electricity meter, total electric brake, exhaust fan, the fan of blowing, ceiling, lightning rod, detection device, drives the bird ware, the electric cabinet is installed directly over the base intermediate position, the inboard bottom at the electric cabinet is installed to the battery, dc-to-ac converter, coulomb meter and total electric brake are installed in proper order in the inside of electric cabinet, and dc-to-ac converter, coulomb meter and total electric brake are located the top of battery, the ceiling is installed directly over the outside of electric cabinet, the inboard top at the electric cabinet is installed to the exhaust fan, four two liang of corresponding the inside left and right sides of installing at the electric cabinet respectively of the fan of blowing, the top one side at the ceiling is installed to the lightning rod, detection device installs the inside intermediate position at the base, drive the other one.
Preferably, the detection device comprises a detection rod, a slider, a sensor, a limiting block and a signal line, wherein the limiting block is fixedly connected to the bottom of the detection rod, the slider is sleeved on the detection rod, the sensor is installed inside the upper side of the detection rod, the signal line is installed above the detection rod, one end of the signal line is connected with the sensor, and the other end of the signal line is electrically connected with the main switch.
Preferably, a plurality of supporting springs and a connecting wire are arranged between the connecting part of the base and the electric cabinet, and a plurality of through holes are uniformly formed in the periphery of the outer side of the base.
Preferably, four clamping grooves are uniformly formed in the left side and the right side of the outer portion of the electric cabinet, the four clamping grooves correspond to the four blowing fans respectively, a safety door is arranged on the outer side of the front face of the electric cabinet, a flash buzzer is mounted at the top of the electric cabinet, and the flash buzzer is electrically connected with the sensor.
Preferably, the filter cotton is arranged in each of the four clamping grooves.
Preferably, an observation window is arranged at the position, corresponding to the electricity meter, of the safety door, a temperature display screen is arranged below the observation window, and a lockable handle is arranged on one side of the safety door.
Preferably, the inner walls of the left side and the right side of the interior of the electric cabinet are respectively provided with a first temperature sensor, and the first temperature sensors are electrically connected with the temperature display screen.
Preferably, a second temperature sensor is installed in the middle of the top of the base, and the second temperature sensor is electrically connected with the temperature display screen.
A high protection type electric energy storage device for a photovoltaic power grid comprises the following operation steps:
s1, in rainy season, in heavy rain for a long time, when the amount of accumulated water outside is too large, the accumulated water enters the base from the through hole at the bottom of the base, the slide block continuously rises along with the change of the water level as the accumulated water is higher and higher, and when the slide block rises to the position of the sensor, the sensor sends a signal to the main switch, so that the main switch is controlled to be switched off, and meanwhile, the flashing buzzer is controlled to give an audible and visual alarm;
s2, the inside components and parts of electricity cabinet normal during operation, the exhaust fan is in the inside heat of open mode with the electricity cabinet always and gets rid of, simultaneously, four fans of blowing are continuous to the inside cooling of blowing of electricity cabinet, when meetting thunder and lightning weather, are connected through the connecting wire between base and the electricity cabinet, and the lightning rod is being hit in the thunder and lightning, through the connection of connecting wire, introduces ground with the thunder and lightning, avoids the thunder and lightning directly to hit the electricity cabinet to influence inside electrical element and damage.
After the technical scheme is adopted, the invention has the beneficial effects that: its simple structure can effectually prevent the insolation of thunderbolt and sunlight, can ensure the inside temperature of electric cabinet through exhaust fan and the fan of blowing, simultaneously, still can detect the ponding condition of electric cabinet position through detection device, avoids taking place the electric shock and injures people's accident.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic 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 view of the fastening groove 21 and the filter cotton 211 of the present invention;
fig. 4 is a schematic structural diagram of the detecting device 11 of the present invention.
Description of reference numerals: the device comprises a base 1, an electric cabinet 2, a storage battery 3, an inverter 4, an electricity meter 5, a general electric brake 6, an exhaust fan 7, a blowing fan 8, a ceiling 9, a lightning rod 10, a detection device 11, a bird dispeller 12, a detection rod 111, a sliding block 112, a sensor 113, a limiting block 114, a signal line 115, a supporting spring 13, a connecting line 14, a through hole 15, a clamping groove 21, a safety door 22, a flash buzzer 23, filter cotton 211, an observation window 221, a temperature display screen 222, a lockable handle 223, a first temperature sensor 16 and a second temperature sensor 17.
Detailed Description
Referring to fig. 1 to 4, the technical solution adopted by the present embodiment is: it comprises a base 1, an electric cabinet 2, a storage battery 3, an inverter 4, an electricity meter 5, a total electric brake 6, an exhaust fan 7, a blowing fan 8, a ceiling 9, a lightning rod 10, a detection device 11 and a bird repeller 12, wherein the electric cabinet 2 is arranged at an intermediate position right above the base 1, the storage battery 3 is arranged at the inner bottom of the electric cabinet 2, the inverter 4, the electricity meter 5 and the total electric brake 6 are sequentially arranged in the electric cabinet 2, the inverter 4, the electricity meter 5 and the total electric brake 6 are arranged above the storage battery 3, the ceiling 9 is arranged right above the outside of the electric cabinet 2, the exhaust fan 7 is arranged above the inner top of the electric cabinet 2, four blowing fans 8 are respectively arranged at the left and right sides of the inside of the electric cabinet 2 in two-two corresponding manners, the lightning rod 10 is arranged at one side of the top of the ceiling 9, the detection device 11 is arranged at an intermediate position, the bird repeller 12 is mounted on the other side of the ceiling 9.
As shown in fig. 4, the detection device 11 of the present invention includes a detection rod 111, a slider 112, a sensor 113, a limit block 114, and a signal line 115, wherein the limit block 114 is fixedly connected to the bottom of the detection rod 111, the slider 112 is sleeved on the detection rod 111, the sensor 113 is installed inside the upper side of the detection rod 111, the signal line 115 is installed above the detection rod 111, one end of the signal line 115 is connected to the sensor 113, the other end of the signal line 115 is electrically connected to the main switch 6, the detection device 11 is used for detecting the water accumulation condition of the electric cabinet 2, and when the water level rises to the height of the water accumulation warning sensor 113, the sensor 113 controls the main switch 6 to open and controls the flash buzzer 23 to alarm.
As shown in fig. 1 and 2, a plurality of supporting springs 13 and a connecting wire 14 are arranged between the connection positions of the base 1 and the electric cabinet 2, the supporting springs 13 can eliminate the vibration of the electric cabinet 2, the electric cabinet 2 is placed to vibrate to influence the operation of internal electric elements, the connecting wire 14 is used for connecting the base 1 and the electric cabinet 2, so that the lightning rod 10 can be grounded, the electric cabinet 2 is effectively protected, lightning stroke is prevented, a plurality of through holes 15 are uniformly arranged around the outer sides of the plurality of bases 1, and the through holes 15 are used for the inflow of accumulated water, so that the detection device 11 can be excited to operate.
As shown in fig. 1 and 2, four slots 21 are uniformly formed on the left and right sides of the exterior of the electric cabinet 2 according to the present invention, the four slots 21 correspond to the four blowing fans 8, a safety door 22 is disposed on the outer side of the front surface of the electric cabinet 2, a flashing buzzer 23 is mounted on the top of the electric cabinet 2, and the flashing buzzer 23 is electrically connected to the sensor 113.
As shown in fig. 1, 2, and 3, the filter cotton 211 is installed inside each of the four slots 21, and the filter cotton 211 can filter external air dust, so as to prevent the dust from entering the inside of the electric cabinet 2, thereby affecting the normal operation of internal electrical components.
As shown in fig. 1, an observation window 221 is provided at a position corresponding to the electricity meter 5 on the safety door 22 of the present invention, the total amount of electricity generation and the amount of electricity generation per day can be directly checked through the observation window 221, a temperature display screen 222 is provided below the observation window 221, the comparison between the outside temperature and the inside temperature of the electricity cabinet 2 can be checked through the temperature display screen 222, and a lockable handle 223 is installed at one side of the safety door 22.
As shown in fig. 2, the first temperature sensors 16 are mounted on the inner walls of the left and right sides of the interior of the electrical cabinet 2, the first temperature sensors 16 are electrically connected to the temperature display screen 222, and the first temperature sensors 16 are used for detecting the temperature condition of the interior of the electrical cabinet 2.
As shown in fig. 1 and 2, a second temperature sensor 17 is installed at a middle position of a top of the base 1, the second temperature sensor 17 is electrically connected to the temperature display screen 222, and the second temperature sensor 17 is used for detecting a temperature outside the electric cabinet 2.
A high protection type electric energy storage device for a photovoltaic power grid comprises the following operation steps:
s1, in plum rain season, in heavy rain for a long time, when the amount of accumulated water outside is too large, the accumulated water enters the inside of the base 1 from the through hole 15 at the bottom of the base 1, the slide block 112 continuously rises along with the change of the water level when the accumulated water is higher and higher, and when the slide block 112 rises to the position of the sensor 113, the sensor 113 sends a signal to the main switch 6, so that the main switch 6 is controlled to be switched off, and meanwhile, the flash buzzer 23 is controlled to give an audible and visual alarm.
S2, when the components inside the electric cabinet 2 normally work, the exhaust fan 7 is always in the open state to remove the heat inside the electric cabinet, meanwhile, the four air blowing fans 8 continuously blow air to the inside of the electric cabinet for cooling, when meeting thunder and lightning weather, the base 1 and the electric cabinet 2 are connected through the connecting wire 14, the lightning rod 10 is hit by thunder and lightning, the ground is introduced by the connection of the connecting wire 14, the electric cabinet 2 is prevented from being directly hit by thunder and lightning, and therefore the damage of the electric elements inside is influenced.
The working principle of the invention is as follows: when the safety door is used, the total power generation amount and the power generation amount per day can be directly checked through the observation window 221 outside the safety door 22, the comparison between the external temperature and the temperature inside the electric cabinet 2 can be checked through the temperature display screen 222, the heat inside the electric cabinet 2 can be timely removed through the exhaust fan 7, the four air blowing fans 8 continuously blow air to the inside of the electric cabinet 2 for cooling to ensure the normal temperature inside the electric cabinet 2, the ceiling 9 can prevent the electric cabinet 2 from being exposed to the sun for a long time, rain and snow and rain from directly falling on the electric cabinet 2, the lightning rod 10 at the top can prevent the electric cabinet 2 from being shocked by electricity in the weather of thunderstorm, the normal use of the electric cabinet 2 is ensured, the bird repeller 12 at the top can prevent birds from standing on the electric cabinet 2 for a long time, the feces of the birds from falling on the electric cabinet 2 and causing corrosion and breakdown of the electric cabinet for a long time, thereby influencing the damage of internal electric, in the plum rain season, the electric cabinet 2 can be submerged by ponding to cause the electric shock casualty event in long-time heavy rain weather, and a plurality of through holes 15 that are even all around in the outside of base 1 can make the rainwater enter into the inside of base 1 to make slider 112 rise, but when slider 112 rose to the sensor 113 position, then sensor 113 control total switch 6 opens the floodgate, and control flash of light bee calling organ 23 simultaneously reports to the police.
After the technical scheme is adopted, the invention has the beneficial effects that: its simple structure can effectually prevent the insolation of thunderbolt and sunlight, can ensure the inside temperature of electric cabinet through exhaust fan and the fan of blowing, simultaneously, still can detect the ponding condition of electric cabinet position through detection device, avoids taking place the electric shock and injures people's accident.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (9)
1. A high protection type electric power energy memory for photovoltaic electric wire netting which characterized in that: the novel wind power generation device comprises a base (1), an electric cabinet (2), a storage battery (3), an inverter (4), an electricity meter (5), a total electric brake (6), an exhaust fan (7), a blowing fan (8), a ceiling (9), a lightning rod (10), a detection device (11) and a bird repeller (12), wherein the electric cabinet (2) is installed at the middle position right above the base (1), the storage battery (3) is installed at the inner bottom of the electric cabinet (2), the inverter (4), the electricity meter (5) and the total electric brake (6) are sequentially installed in the electric cabinet (2), the inverter (4), the electricity meter (5) and the total electric brake (6) are located above the storage battery (3), the ceiling (9) is installed right above the outside of the electric cabinet (2), the fans (7) are installed above the inner top of the electric cabinet (2), and the four blowing fans (8) are respectively installed at the left side and the right side of the inside of the electric cabinet (2) in a pairwise correspondence manner, the lightning rod (10) is installed on one side above the ceiling (9), the detection device (11) is installed in the middle of the inside of the base (1), and the bird repeller (12) is installed on the other side of the ceiling (9).
2. A highly protected electrical energy storage device for a photovoltaic grid according to claim 1, characterized in that: detection device (11) contain detection lever (111), slider (112), sensor (113), stopper (114), signal line (115), stopper (114) fixed connection is in the bottom of detecting lever (111), slider (112) cup joint on detection lever (111), sensor (113) are installed inside the upside of detecting lever (111), signal line (115) are installed in the top of detecting lever (111), and the one end and the sensor (113) of signal line (115) are connected, the other one end and total switch (6) electric connection of signal line (115).
3. A highly protected electrical energy storage device for a photovoltaic grid according to claim 1, characterized in that: a plurality of supporting springs (13) and a connecting wire (14) are arranged between the connecting positions of the base (1) and the electric cabinet (2), and a plurality of through holes (15) are uniformly formed in the periphery of the outer side of the base (1).
4. A highly protected electrical energy storage device for a photovoltaic grid according to claim 1, characterized in that: the outside left and right sides of electricity cabinet (2) evenly is provided with four draw-in grooves (21), and four draw-in grooves (21) respectively with four the position of blowing fan (8) is corresponding, and the positive outside of electricity cabinet (2) is provided with emergency exit (22), and flash of light bee calling organ (23) are installed at the top of electricity cabinet (2), and flash of light bee calling organ (23) and sensor (113) electric connection.
5. A highly protected electrical energy storage device for a photovoltaic grid according to claim 4, characterized in that: the inside of four draw-in grooves (21) all installs filter pulp (211).
6. A highly protected electrical energy storage device for a photovoltaic grid according to claim 4, characterized in that: the position that corresponds with coulometer (5) on emergency exit (22) is provided with observation window (221), and the below of observation window (221) is provided with temperature display screen (222), and lockable handle (223) are installed to one side of emergency exit (22).
7. A highly protected electrical energy storage device for a photovoltaic grid according to claim 1, characterized in that: all install first temperature sensor (16) on the inner wall of the inside left and right sides of electricity cabinet (2), and first temperature sensor (16) and temperature display screen (222) electric connection.
8. A highly protected electrical energy storage device for a photovoltaic grid according to claim 1, characterized in that: second temperature sensor (17) are installed to the top intermediate position of base (1), and second temperature sensor (17) and temperature display screen (222) electric connection.
9. A highly protected electrical energy storage device for photovoltaic grids according to claim 1, the control method of which comprises the following operating steps:
s1, in plum rain season, in long-time heavy rain weather, when the amount of external accumulated water is too large, the accumulated water enters the inside of the base (1) from the through hole (15) at the bottom of the base (1), the sliding block (112) continuously rises along with the change of the water level along with the increasing of the accumulated water, and when the sliding block (112) rises to the position of the sensor (113), the sensor (113) sends a signal to the main switch (6), so that the main switch (6) is controlled to be switched off, and meanwhile, the flash buzzer (23) is controlled to give an audible and visual alarm;
s2, the inside components and parts of electricity cabinet (2) normal operating, exhaust fan (7) are in open state always and get rid of the inside heat of electricity cabinet, and simultaneously, four fan (8) of blowing are continuous to the inside cooling of blowing of electricity cabinet, when meetting thunder and lightning weather, connect through connecting wire (14) between base (1) and the electricity cabinet (2), the thunder and lightning is hitting lightning rod (10), through the connection of connecting wire (14), introduce ground with the thunder and lightning, avoid the thunder and lightning to directly hit electricity cabinet (2), thereby influence inside electric elements and damage.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010512298.XA CN111600223A (en) | 2020-06-08 | 2020-06-08 | High-protection type electric energy storage device for photovoltaic power grid and control method |
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| CN202010512298.XA CN111600223A (en) | 2020-06-08 | 2020-06-08 | High-protection type electric energy storage device for photovoltaic power grid and control method |
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| CN108735445A (en) * | 2018-05-19 | 2018-11-02 | 芜湖市晨曦新型建材科技有限公司 | A kind of box type transformer having water proofing property |
| CN109000760A (en) * | 2018-05-29 | 2018-12-14 | 河南森源电气股份有限公司 | A kind of water detection method and device of switchgear |
| CN108512078A (en) * | 2018-06-06 | 2018-09-07 | 吴江市苏能电气工程有限公司 | A kind of multifunction power equipment box |
| CN108663096A (en) * | 2018-08-13 | 2018-10-16 | 济南学泰电子科技有限公司 | One kind being based on electric power cabinet basis internal water accumulation detection alarm device |
| CN209374968U (en) * | 2018-12-07 | 2019-09-10 | 河北杰安建筑安装工程有限公司 | A kind of waterproof power distribution cabinet |
| CN209571709U (en) * | 2019-02-23 | 2019-11-01 | 上海容贝实业有限公司 | A kind of waterproof and dampproof outdoor cabinet |
| CN209860449U (en) * | 2019-05-27 | 2019-12-27 | 首创爱华(天津)市政环境工程有限公司 | Low-voltage power distribution cabinet for water supply |
| CN210350550U (en) * | 2019-08-23 | 2020-04-17 | 淮安市伟杰配电控制设备有限公司 | Bird-repelling high-altitude distribution box |
| CN210490196U (en) * | 2019-08-28 | 2020-05-08 | 福建亿兆自动化设备有限公司 | Switch board with heat dissipation function |
| CN209844296U (en) * | 2019-09-16 | 2019-12-24 | 四川电器集团中低压智能配电有限公司 | Intelligent power distribution switch cabinet with equipment health state assessment |
| CN110794181A (en) * | 2019-11-07 | 2020-02-14 | 国网四川省电力公司德阳供电公司 | Electric energy meter box with environment monitoring function |
| CN110808542A (en) * | 2019-11-13 | 2020-02-18 | 安徽卓越电力设备有限公司 | Fireproof and explosion-proof high-low voltage switch cabinet |
| CN111105585A (en) * | 2019-11-27 | 2020-05-05 | 西安汇富融通信息科技有限责任公司 | Electric appliance fire alarm system integration box |
| CN110875583A (en) * | 2019-12-07 | 2020-03-10 | 广州市驰新机电有限公司 | Placing cabinet for frequency converter and using method thereof |
| CN111049014A (en) * | 2019-12-25 | 2020-04-21 | 江苏信实电气有限公司 | Power distribution cabinet with good heat dissipation performance |
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Application publication date: 20200828 |