CN112838508B - Switch board heat abstractor convenient to installation - Google Patents
Switch board heat abstractor convenient to installation Download PDFInfo
- Publication number
- CN112838508B CN112838508B CN202110359555.5A CN202110359555A CN112838508B CN 112838508 B CN112838508 B CN 112838508B CN 202110359555 A CN202110359555 A CN 202110359555A CN 112838508 B CN112838508 B CN 112838508B
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- frame body
- power distribution
- distribution cabinet
- air inlet
- fixedly connected
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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
- 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
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
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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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
A power distribution cabinet heat dissipation device convenient to install relates to the technical field of power distribution cabinet heat dissipation, and grooves are formed in an outer frame body and an inner frame body; according to the power distribution cabinet heat dissipation device convenient to install, the outer frame body and the inner frame body are clamped on the heat dissipation opening on the power distribution cabinet through the two clamping mechanisms, the outer frame body and the inner frame body are fixed on the power distribution cabinet through the supporting mechanism, the phenomenon that the power distribution cabinet heat dissipation device convenient to install falls when radiating is avoided, normal heat dissipation of the power distribution cabinet is affected, air entering the power distribution cabinet is filtered through the air inlet frame, moisture is prevented from entering the power distribution cabinet, meanwhile, external mosquitoes are prevented from entering the power distribution cabinet, the air entering the power distribution cabinet is prevented from being cooled through the cooling mechanism, the heat dissipation effect is improved, the air entering the power distribution cabinet is buffered through the air outlet frame, and the air is gently prevented from entering the power distribution cabinet, and dust in the power distribution cabinet is prevented from being raised.
Description
Technical Field
The invention relates to the technical field of power distribution cabinet heat dissipation, in particular to a power distribution cabinet heat dissipation device convenient to install.
Background
The utility model provides a switch board transfer power switch board, illumination switch board and metering cabinet, be the last-stage equipment of distribution system, the switch board is motor control center's the generic name, the inside electrical component of switch board is all carrying out the heat dissipation, however the size of the thermovent of switch board is fixed, can not satisfy the heat dissipation needs under the hotter circumstances of weather, in rainy season, moisture content is great in the air, can influence the normal operating of electrical component in the switch board, in summer, the mosquito is more, the mosquito can enter into in the switch board through the thermovent, can cause certain influence to the normal operating of switch board, current heat abstractor, need the staff to punch on the switch board and install, or the heat abstractor of the same model needs the installation, inconvenient staff installs, when heat abstractor dispels the heat for the switch board, the wind-force can take the dust in the switch board to carry out the four-out, there is certain potential safety hazard.
Disclosure of Invention
In order to overcome the defects in the background art, the invention discloses a power distribution cabinet heat dissipation device convenient to install, which is characterized in that an outer frame body and an inner frame body are clamped on a heat dissipation opening on a power distribution cabinet through two clamping mechanisms, the outer frame body and the inner frame body are fixed on the power distribution cabinet through supporting mechanisms, the phenomenon that the power distribution cabinet heat dissipation device convenient to install falls when radiating is avoided, normal heat dissipation of the power distribution cabinet is affected, air entering the power distribution cabinet is filtered through an air inlet frame, moisture is prevented from entering the power distribution cabinet, meanwhile, mosquitoes outside are prevented from entering the power distribution cabinet, the air entering the power distribution cabinet is cooled through a cooling mechanism, the heat dissipation effect is improved, the air entering the power distribution cabinet is buffered through an air exhaust frame, the air is smoothly entering the power distribution cabinet, and dust in the power distribution cabinet is prevented from being raised.
In order to achieve the aim of the invention, the invention adopts the following technical scheme:
the utility model provides a switch board heat abstractor convenient to installation, includes outer support body and interior support body, all be equipped with the recess on outer support body and the interior support body, two recesses are in the gas inlet of outer support body and the gas vent intercommunication of interior support body respectively, install joint mechanism in the recess, all install supporting mechanism on outer support body and the interior support body, install air inlet frame and exhaust frame on outer support body and the interior support body respectively, air inlet frame and exhaust frame are in the gas inlet of outer support body and the gas vent intercommunication of interior support body respectively, install cooling mechanism on the air inlet of outer support body, cooling mechanism's catch basin is located outer support body, air inlet frame's drainage end is linked together with cooling mechanism's catch basin, cooling mechanism's position corresponds with air inlet frame gas outlet's position, install switch group on the outer support body, switch group has the output of external power source to be connected, switch group's output and cooling mechanism's input electricity are connected.
The clamping mechanism comprises two sliding rods, the two sliding rods are located in the grooves and are fixedly connected, two ends of the sliding rods are respectively and slidably connected with a first spring and a sliding block, one end of each first spring is fixedly connected with the groove wall of the groove, the other end of each first spring is fixedly connected with the sliding block, the sliding block is fixedly connected with a telescopic rod and a second spring, the positions of the telescopic rods correspond to the positions of the second springs and are sleeved with the telescopic rods, a rotating frame is fixedly connected with the telescopic ends of the telescopic rods and the second springs, and rotating balls are rotationally connected to the rotating frames and fixedly connected with clamping hooks.
The supporting mechanism comprises two groups of screws and four synchronizing wheels, the two groups of screws and the synchronizing wheels are respectively located on the outer frame body and the inner frame body and are in threaded connection with the synchronizing wheels, the synchronizing wheels are connected through a synchronous belt, and a gasket is fixedly connected to one end of each screw.
The cooling mechanism comprises a condensing pipe, a fan and a water storage tank, wherein the water storage tank is positioned in the outer frame body, the condensing pipe is positioned on the outer frame body, the position of the condensing pipe corresponds to the position of the air inlet of the outer frame body, the water inlet and outlet ports of the condensing pipe are communicated with the water storage tank, the fan is positioned in the air inlet of the outer frame body, a miniature condenser and a miniature water pump are arranged in the water storage tank, and the water outlet of the miniature water pump is connected with the water inlet of the condensing pipe.
The air inlet frame comprises a first frame body, the first frame body is located on the outer frame body and is fixedly connected with the air inlet of the outer frame body, the air outlet of the first frame body is communicated with the air inlet of the outer frame body, the water filtering plates are fixedly connected in the first frame body and are arranged at equal intervals, the water outlet of the first frame body is communicated with the water storage tank of the cooling mechanism through a water outlet pipe, and the insect prevention plate is fixedly connected in the air inlet of the first frame body.
The insect prevention plate is a V-shaped plate, a V-shaped groove is formed in the air inlet of the first frame body, and the groove surface of the V-shaped groove is leveled with one surface of the insect prevention plate.
The exhaust frame comprises a second frame body, the second frame body is positioned on the inner frame body and is fixedly connected with the inner frame body, an air inlet of the second frame body is communicated with an air outlet of the inner frame body, and buffer plates which are arranged at equal intervals are fixedly connected in the second frame body.
Elastic sleeves are fixedly connected to the outer frame body and the inner frame body respectively, and silica gel pads are fixedly connected to the elastic sleeves.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
according to the power distribution cabinet heat dissipation device convenient to install, the outer frame body and the inner frame body are clamped on the heat dissipation opening on the power distribution cabinet through the two clamping mechanisms, the outer frame body and the inner frame body are fixed on the power distribution cabinet through the supporting mechanism, the phenomenon that the power distribution cabinet heat dissipation device convenient to install falls when radiating is avoided, normal heat dissipation of the power distribution cabinet is affected, air entering the power distribution cabinet is filtered through the air inlet frame, moisture is prevented from entering the power distribution cabinet, meanwhile, external mosquitoes are prevented from entering the power distribution cabinet, the air entering the power distribution cabinet is prevented from being cooled through the cooling mechanism, the heat dissipation effect is improved, the air entering the power distribution cabinet is buffered through the air outlet frame, and the air is gently prevented from entering the power distribution cabinet, and dust in the power distribution cabinet is prevented from being raised.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a cross-sectional view of the present invention;
1. an outer frame body; 2. a support mechanism; 201. a screw; 202. a synchronous belt; 203. a synchronizing wheel; 204. a gasket; 3. an air inlet frame; 301. a first frame body; 302. a water filtering plate; 303. an insect prevention plate; 304. a drain pipe; 4. an elastic sleeve; 5. a silica gel pad; 6. an exhaust frame; 601. a second frame body; 602. a buffer plate; 7. an inner frame body; 8. a cooling mechanism; 801. a condensing tube; 802. a fan; 9. a clamping mechanism; 901. a slide bar; 902. a sliding block; 903. a hook; 904. a first spring; 905. a telescopic rod; 906. a rotating ball; 907. a rotating frame; 908. and a second spring.
Detailed Description
The invention will be explained in more detail by the following examples, the purpose of which is to protect all technical improvements within the scope of the invention.
The power distribution cabinet heat dissipation device convenient to install is described by combining with the accompanying drawings 1-3, and comprises an outer frame body 1 and an inner frame body 7, wherein grooves are respectively arranged on the outer frame body 1 and the inner frame body 7, the two grooves are respectively communicated with an air inlet of the outer frame body 1 and an air outlet of the inner frame body 7, a clamping mechanism 9 is arranged in the grooves, the outer frame body 1 and the inner frame body 7 are clamped on a heat dissipation opening on the power distribution cabinet through the two clamping mechanisms 9, supporting mechanisms 2 are respectively arranged on the outer frame body 1 and the inner frame body 7, an air inlet frame 3 and an air outlet frame 6 are respectively arranged on the outer frame body 1 and the inner frame body 7, the air inlet frame 3 and the air outlet frame 6 are respectively communicated with the air inlet of the outer frame body 1 and the air outlet of the inner frame body 7, the air entering the power distribution cabinet is filtered through the air inlet frame 3, moisture is prevented from entering the power distribution cabinet, meanwhile, external mosquitoes are prevented from entering the power distribution cabinet, a cooling mechanism 8 is arranged on an air inlet of the outer frame body 1, a water storage tank of the cooling mechanism 8 is positioned in the outer frame body 1, a water draining end of the air inlet frame 3 is communicated with the water storage tank of the cooling mechanism 8, the position of the cooling mechanism 8 corresponds to the position of an air outlet of the air inlet frame 3, the air entering the power distribution cabinet is cooled through the cooling mechanism 8, the heat dissipation effect is improved, the air entering the power distribution cabinet is buffered through the air outlet frame 6, the air is gently entered into the power distribution cabinet, dust in the power distribution cabinet is prevented from being raised, a power switch group is arranged on the outer frame body 1, the power switch group is connected with an output end of an external power supply, the output end of the power switch group is electrically connected with the input end of the cooling mechanism 8.
The clamping mechanism 9 comprises two sliding rods 901, the two sliding rods 901 are located in grooves and fixedly connected, two ends of the sliding rods 901 are respectively and slidably connected with a first spring 904 and a sliding block 902, one end of the first spring 904 is fixedly connected with the groove walls of the grooves, the other end of the first spring 904 is fixedly connected with the sliding block 902, a telescopic rod 905 and a second spring 908 are fixedly connected to the sliding block 902, the positions of the telescopic rod 905 correspond to the positions of the second spring 908 and are sleeved with the telescopic rod, a rotating frame 907 is fixedly connected to the telescopic ends of the telescopic rod 905 and the second spring 908, and a rotating ball 906 is rotationally connected to the rotating frame 907 and fixedly connected with a clamping hook 903.
The supporting mechanism 2 comprises screw rods 201 and synchronizing wheels 203, the number of the screw rods 201 and the number of the synchronizing wheels 203 are two, the number of each screw rod 201 and each synchronizing wheel 203 are four, the screw rods 201 and the synchronizing wheels 203 are respectively located on the outer frame body 1 and the inner frame body 7 and are connected, the positions of the screw rods 201 correspond to the positions of the synchronizing wheels 203 and are in threaded connection, the synchronizing wheels 203 are connected through a synchronous belt 202, and one end of each screw rod 201 is fixedly connected with a gasket 204.
The cooling mechanism 8 comprises a condensation pipe 801, a fan 802 and a water storage tank, wherein the water storage tank is positioned in the outer frame body 1, the condensation pipe 801 is positioned on the outer frame body 1, the position of the condensation pipe 801 corresponds to the position of an air inlet of the outer frame body 1, the water inlet and outlet ports of the condensation pipe 801 are communicated with the water storage tank, the fan 802 is positioned in the air inlet of the outer frame body 1, a micro condenser and a small water pump are arranged in the water storage tank, and the water outlet of the small water pump is connected with the water inlet of the condensation pipe 801.
The air inlet frame 3 comprises a first frame body 301, the first frame body 301 is located on the outer frame body 1 and is fixedly connected with the air inlet of the outer frame body 1, an air outlet of the first frame body 301 is communicated with an air inlet of the outer frame body 1, water filtering plates 302 which are arranged at equal intervals are fixedly connected in the first frame body 301, a water outlet of the first frame body 301 is communicated with a water storage tank of the cooling mechanism 8 through a water outlet pipe 304, and an insect prevention plate 303 is fixedly connected in the air inlet of the first frame body 301.
The insect prevention plate 303 is a V-shaped plate, a V-shaped groove is formed in the air inlet of the first frame body 301, the groove surface of the V-shaped groove is level with one surface of the insect prevention plate 303, when heat dissipation and air extraction are performed, mosquitoes are blocked by the insect prevention plate 303, after heat dissipation is completed, the mosquitoes blocked on the insect prevention plate 303 can naturally fall under the condition that suction force is lost, and the insect blocking of the insect prevention plate 303 is avoided.
The exhaust frame 6 comprises a second frame body 601, the second frame body 601 is located on the inner frame body 7 and is fixedly connected with the inner frame body 7, an air inlet of the second frame body 601 is communicated with an air outlet of the inner frame body 7, and buffer plates 602 which are arranged at equal intervals are fixedly connected in the second frame body 601.
When the power distribution cabinet radiating device convenient to install is used, the positions of the hooks 903 are adjusted through the sliding blocks 902 and the telescopic rods 905, workers can conveniently clamp the hooks 903 onto the radiating holes of the power distribution cabinet, the synchronous belt 202 is pulled, the synchronous wheel 203 is driven to rotate through the synchronous belt 202, the screw 201 is driven to move through the synchronous wheel 203, the gasket 204 is driven to move through the screw 201, the gasket 204 is tightly attached to the power distribution cabinet, the hooks 903 are firmly clamped on the radiating holes of the power distribution cabinet, the outer frame body 1 and the inner frame body 7 are fixed onto the radiating holes of the power distribution cabinet, the outer frame body 1 is arranged outside the power distribution cabinet, the inner frame body 7 is arranged in the power distribution cabinet, external air is pumped into the power distribution cabinet through the fan 802, the air passes through the water filtering plate 302 in the pumping process, the air is guided back and forth through the water filtering plate 302, the air blows on the water filtering plate 302, moisture in the air can be adsorbed on the water filtering plate 302, the moisture in the air is filtered, the filtered condensed water enters into the water storage tank through the water discharging pipe 304 and is repeatedly used, the condensed liquid in the water storage tank is conveyed into the condensing pipe 801 through the small water pump, the air is cooled, the radiating effect is improved, the condensed liquid is cooled through the miniature condenser and is repeatedly used, the cooled air is conveyed into the second frame body 601 through the fan 802, the cooled air is buffered through the buffer plate 602, the flow velocity of the air is reduced, the cooled air is prevented from blowing dust in the power distribution cabinet, the direction of the air discharging frame 6 is adjusted according to the position of an electric component by staff, and the air cooling is prevented from being directly blown onto the electric component.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. The utility model provides a switch board heat abstractor convenient to installation, includes outer support body (1) and interior support body (7), characterized by: the air inlet of the outer frame body (1) and the air outlet of the inner frame body (7) are respectively provided with grooves, the two grooves are respectively communicated with the air inlet of the outer frame body (1) and the air outlet of the inner frame body (7), a clamping mechanism (9) is arranged in each groove, the outer frame body (1) and the inner frame body (7) are respectively provided with a supporting mechanism (2), the outer frame body (1) and the inner frame body (7) are respectively provided with an air inlet frame (3) and an air outlet frame (6), the air inlet frame (3) and the air outlet frame (6) are respectively communicated with the air inlet of the outer frame body (1) and the air outlet of the inner frame body (7), a cooling mechanism (8) is arranged on the air inlet of the outer frame body (1), a water storage tank of the cooling mechanism (8) is arranged in the outer frame body (1), the water discharge end of the air inlet frame (3) is communicated with the water storage tank of the cooling mechanism (8), the positions of the cooling mechanism (8) are corresponding to the positions of the air outlet of the air inlet frame body (3), the outer frame body (1) is provided with a power switch group, and the power switch group is connected with the power supply group output end, and the power supply group is connected with the power supply group; the clamping mechanism (9) comprises two sliding rods (901), wherein the two sliding rods (901) are respectively positioned in the grooves and fixedly connected, two ends of the sliding rods (901) are respectively and slidably connected with a first spring (904) and a sliding block (902), one end of the first spring (904) is fixedly connected with the groove wall of the groove, the other end of the first spring (904) is fixedly connected with the sliding block (902), a telescopic rod (905) and a second spring (908) are fixedly connected on the sliding block (902), the positions of the telescopic rod (905) correspond to the positions of the second springs (908) and are sleeved with each other, a rotating frame (907) is fixedly connected to the telescopic ends of the telescopic rod (905) and the second spring (908), a rotating ball (906) is rotatably connected with the rotating frame, and a clamping hook (903) is fixedly connected to the rotating ball (906); the supporting mechanism (2) comprises screw rods (201) and synchronizing wheels (203), the screw rods (201) and the synchronizing wheels (203) are two groups, the screw rods (201) and the synchronizing wheels (203) are four in number, the screw rods (201) and the synchronizing wheels (203) are respectively located on the outer frame body (1) and the inner frame body (7) and are connected, the positions of the screw rods (201) are corresponding to the positions of the synchronizing wheels (203) and are in threaded connection, the synchronizing wheels (203) are connected through a synchronous belt (202), and one end of the screw rods (201) is fixedly connected with a gasket (204).
2. The power distribution cabinet heat dissipation device convenient to install according to claim 1, characterized in that: the cooling mechanism (8) comprises a condensation pipe (801), a fan (802) and a water storage tank, wherein the water storage tank is located in the outer frame body (1), the condensation pipe (801) is located on the outer frame body (1) and corresponds to the air inlet of the outer frame body (1), the water inlet and outlet ports of the condensation pipe (801) are communicated with the water storage tank, the fan (802) is located in the air inlet of the outer frame body (1), a micro condenser and a small water pump are installed in the water storage tank, and the water outlet of the small water pump is connected with the water inlet of the condensation pipe (801).
3. The power distribution cabinet heat dissipation device convenient to install according to claim 1, characterized in that: the air inlet frame (3) comprises a first frame body (301), the first frame body (301) is located on the outer frame body (1) and is fixedly connected with the air outlet of the first frame body (301) and the air inlet of the outer frame body (1) are communicated, water filtering plates (302) which are arranged at equal intervals are fixedly connected in the first frame body (301), a water outlet of the first frame body (301) is communicated with a water storage tank of the cooling mechanism (8) through a water outlet pipe (304), and insect prevention plates (303) are fixedly connected in the air inlet of the first frame body (301).
4. A power distribution cabinet heat dissipation device convenient to install according to claim 3, characterized in that: the insect prevention plate (303) is a V-shaped plate, a V-shaped groove is formed in the air inlet of the first frame body (301), and the groove surface of the V-shaped groove is level with one surface of the insect prevention plate (303).
5. The power distribution cabinet heat dissipation device convenient to install according to claim 1, characterized in that: the exhaust frame (6) comprises a second frame body (601), the second frame body (601) is located on the inner frame body (7) and is fixedly connected with the inner frame body, an air inlet of the second frame body (601) is communicated with an air outlet of the inner frame body (7), and buffer plates (602) which are arranged at equal intervals are fixedly connected in the second frame body (601).
6. The easy-to-install power distribution cabinet heat dissipation device according to claim 5, characterized in that: elastic sleeves (4) are fixedly connected to the outer frame body (1) and the inner frame body (7) respectively, and silica gel pads (5) are fixedly connected to the elastic sleeves (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110359555.5A CN112838508B (en) | 2021-04-02 | 2021-04-02 | Switch board heat abstractor convenient to installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110359555.5A CN112838508B (en) | 2021-04-02 | 2021-04-02 | Switch board heat abstractor convenient to installation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112838508A CN112838508A (en) | 2021-05-25 |
| CN112838508B true CN112838508B (en) | 2023-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110359555.5A Active CN112838508B (en) | 2021-04-02 | 2021-04-02 | Switch board heat abstractor convenient to installation |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0580107U (en) * | 1992-04-03 | 1993-10-29 | 日新電機株式会社 | Intake device for closed switchboard |
| CN206742712U (en) * | 2017-06-05 | 2017-12-12 | 陕西理工大学 | Electric distribution cabinet |
| CN108321704A (en) * | 2018-02-27 | 2018-07-24 | 张乃月 | Explosion-proof positive pressure power distribution cabinet |
| CN209183974U (en) * | 2018-12-25 | 2019-07-30 | 华金电气有限公司 | A kind of heat radiating type switchgear |
| CN210985235U (en) * | 2019-11-22 | 2020-07-10 | 山西智天电力科技有限公司 | Switch board with dust removal and heat radiation structure |
| CN211017918U (en) * | 2020-01-08 | 2020-07-14 | 上海柘中平云电器设备制造有限公司 | Waterproof distribution box |
| CN212182810U (en) * | 2020-05-18 | 2020-12-18 | 国网河南省电力公司伊川县供电公司 | Low-voltage power grid supplies power with safe type switch board |
-
2021
- 2021-04-02 CN CN202110359555.5A patent/CN112838508B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0580107U (en) * | 1992-04-03 | 1993-10-29 | 日新電機株式会社 | Intake device for closed switchboard |
| CN206742712U (en) * | 2017-06-05 | 2017-12-12 | 陕西理工大学 | Electric distribution cabinet |
| CN108321704A (en) * | 2018-02-27 | 2018-07-24 | 张乃月 | Explosion-proof positive pressure power distribution cabinet |
| CN209183974U (en) * | 2018-12-25 | 2019-07-30 | 华金电气有限公司 | A kind of heat radiating type switchgear |
| CN210985235U (en) * | 2019-11-22 | 2020-07-10 | 山西智天电力科技有限公司 | Switch board with dust removal and heat radiation structure |
| CN211017918U (en) * | 2020-01-08 | 2020-07-14 | 上海柘中平云电器设备制造有限公司 | Waterproof distribution box |
| CN212182810U (en) * | 2020-05-18 | 2020-12-18 | 国网河南省电力公司伊川县供电公司 | Low-voltage power grid supplies power with safe type switch board |
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| CN112838508A (en) | 2021-05-25 |
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