CN212323509U - Protection device for electrical equipment - Google Patents

Protection device for electrical equipment Download PDF

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Publication number
CN212323509U
CN212323509U CN202021394799.4U CN202021394799U CN212323509U CN 212323509 U CN212323509 U CN 212323509U CN 202021394799 U CN202021394799 U CN 202021394799U CN 212323509 U CN212323509 U CN 212323509U
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CN
China
Prior art keywords
box
groove
electrical equipment
cabin door
plate
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Active
Application number
CN202021394799.4U
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Chinese (zh)
Inventor
胡国强
周福军
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Nanjing Fao Electric Co ltd
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Nanjing Fao Electric Co ltd
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Priority to CN202021394799.4U priority Critical patent/CN212323509U/en
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Publication of CN212323509U publication Critical patent/CN212323509U/en
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Abstract

The utility model discloses a protection device for electrical equipment, include: the distribution box comprises a cabin door and a box body, annular bulges on the periphery of the inner side of the cabin door are matched with annular grooves formed in the box body, a partition plate is horizontally arranged at the bottom in the box body, a first groove is horizontally arranged on the upper level of the cabin door and is matched with a part of the box body extending out of the outer side of the partition plate, a through hole is formed in the middle of the partition plate, a fan is arranged in the through hole, a second groove is horizontally formed in the side wall of the partition plate positioned on one side below the fan, a sealing plate is arranged in the second groove, a third groove is horizontally formed in the side wall of the partition plate on the other side below the fan, a water level measuring instrument is arranged on the inner; control device includes control panel and PLC controller, and this scheme has that sealing performance is good, can effectively completely cut off the rainwater entering, can dehumidify, dispel the heat and block the characteristics that the dust got into.

Description

Protection device for electrical equipment
Technical Field
The utility model relates to an electrical equipment field, in particular to protection device for electrical equipment.
Background
Electrical equipment is a general term for equipment such as generators, transformers, power lines, and circuit breakers in power systems. The important role played by electric power in our life and production is not ignored, brings great convenience to our life, and becomes an important energy source in our production and life. The most critical factor in a power plant that allows for the proper operation and delivery of electricity is the electrical equipment.
In the use process of the electrical equipment, a distribution box is often used, and the distribution box can integrate the electrical equipment together to facilitate maintenance personnel to overhaul the electrical equipment and can protect the electrical equipment; china south region all has the rainy season every year, during the rainy season, the condition of waterlogging can often appear, in case the waterlogging appears around the block terminal, if the block terminal can not fine prevent that water from getting into or in time cut off the power supply, the electric leakage condition will appear, our country all can appear the casualties incident because of the block terminal electric leakage every year, in addition, under the abominable condition of outdoor environment, the inside electrical equipment of block terminal is often because of the humidity, the condition of damage appears in the dust, in addition, electrical equipment is under the working condition of high power, often can produce a large amount of heats, if the heat dissipation that can not be quick, will contract the life of end electrical equipment for a long time.
Disclosure of Invention
Therefore, it is necessary to provide a protection device for electrical equipment, which has good sealing performance, can effectively prevent water from entering, and can dehumidify, dissipate heat, and block dust from entering.
To achieve the above object, the present inventors provide a protection device for electrical equipment, comprising: the distribution box comprises a cabin door and a box body, one side of the cabin door is connected with one side of the box body through an articulated piece, the inner side of the cabin door is convex, the edge of the box body is provided with a step matched with the convex inner side of the cabin door, an annular sealing ring is fixedly arranged on the step, the bottom of the inner side of the cabin door is horizontally provided with an air inlet groove communicated with the outside, the bottom of the inner side of the cabin door is also fixedly provided with a filter screen, the filter screen is pasted on the notch of the air inlet groove, the bottom of the inner side of the box body is horizontally provided with a baffle plate, two ends of the baffle plate extend to the groove edge of the annular groove, the baffle plate is arranged at the corresponding box body position above the air inlet groove arranged at the inner side of the cabin door, the outer side of the baffle plate extends out of the box, the bottom of the first groove is provided with a sealing strip, the middle part of the partition board is provided with a through hole, the through hole is internally provided with a fan, the side wall of the partition board positioned on one side below the fan is horizontally provided with a second groove, the second groove is internally provided with a sealing plate, the sealing plate is square, a first sealing ring is arranged between the end part of the second groove and the sealing plate, the bottom of the second groove is provided with a first rotating wheel, the first rotating wheel is in transmission connection with a first motor fixedly arranged above the partition board through a first rotating shaft, the center of one side of the sealing plate close to the bottom of the second groove is fixedly provided with a first steel wire rope, the other end of the first steel wire rope is fixedly connected with the first rotating wheel, the side wall of the partition board on the other side below the fan is horizontally provided with a third groove, the end part of the third groove is provided with a second sealing, a second rotating wheel is arranged at the bottom of the third groove and fixedly connected with a second motor fixedly arranged above the partition plate through a second rotating shaft, a second steel wire rope is fixedly arranged on the second rotating wheel, the other end of the second steel wire rope is fixedly connected with the center of the end part of the closing plate, far away from the bottom of the second groove, of the end part, a water level measuring instrument is arranged on the inner wall of the box body below the partition plate, electrical equipment is arranged in the box body above the partition plate, a humidity detector and a temperature detector are respectively arranged on the inner wall of the box body above the partition plate, an exhaust pipe is arranged on the side wall of the top of the box body above; the control device comprises a control panel and a PLC (programmable logic controller), the control panel is electrically connected with the PLC, and the PLC is respectively electrically connected with the first motor, the second motor, the water level detector, the humidity detector, the temperature detector and the electric valve.
Different from the prior art, the technical scheme has the following beneficial effects:
(1) the inner side of the cabin door is convex, the box body is provided with steps opposite to the inner side of the cabin door, and the edge of the convex inner side of the cabin door can be attached to the steps, so that an effective sealing effect can be achieved, the phenomenon that water permeates into the box body from a sealed position between the cabin door and the box body in rainy seasons to cause electric leakage is avoided, and the sealing effect between the cabin door and the box body can be further improved by arranging the annular sealing ring on the steps;
(2) the arrangement of the filter screen at the notch of the air inlet groove can not influence the air inlet of the air inlet groove, and can filter dust, so that the dust is prevented from entering the box body and influencing and damaging electrical equipment in the box body;
(3) the arrangement of the partition board in the box body and the arrangement of the first groove on the cabin door can effectively divide the interior of the box body into an upper cabin and a lower cabin which are sealed, when a water level detector arranged in the cabin below detects that water enters the box body from the air inlet groove in rainy season, the partition board can effectively separate the water in the cabin below the partition board, and the situation that the water enters the cabin above the partition board to cause electric leakage and damage of electric equipment in the cabin above the partition board is avoided, and in addition, the arrangement of the sealing strip at the bottom of the first groove can further improve the sealing effect between the partition board and the cabin door;
(4) the arrangement of the through hole in the partition plate and the fan in the through hole can effectively play a role in cooling the electrical equipment, when the temperature detector detects that the temperature in the box body above the partition plate is too high, the PLC can control the fan to rotate to cool the electrical equipment, in addition, the arrangement of the fan can also effectively perform dehumidification treatment on the electrical equipment, and when the humidity detector detects that the humidity in the box body above the partition plate is too high, the PLC controls the fan to rotate to perform dehumidification treatment on the electrical equipment;
(5) the arrangement of the sealing plate, the second groove, the first motor, the rotating wheel and the first steel wire rope, and the arrangement of the third groove, the second motor, the rotating wheel and the second steel wire rope can effectively realize that the sealing plate seals the through hole on the partition plate, and prevent rainwater in rainy seasons from entering the box body above the partition plate through the through hole to cause electric leakage and damage of electrical equipment in the box body;
(6) the control device can effectively realize the full-automatic process of dehumidification, cooling and sealing to prevent water from entering.
As a preferred structure of the utility model, the sliding tray has been seted up to the baffle lateral wall of fan below both sides still level, the sliding tray is located on the lateral wall of baffle both sides along the closing plate direction of motion, sliding tray tip inner wall is equipped with the third sealing washer. In this structure, the setting of sliding tray and sliding tray tip inner wall third sealing washer can effectual improvement closing plate a week sealing performance, avoids when the closing plate seals the back, and the rainwater permeates the baffle top from the closing plate both sides.
As the utility model discloses a preferred structure, the level is equipped with a plurality of mounts in the box of baffle top, be equipped with first fixed orifices on the mount, first fixed orifices is used for fixed electrical equipment.
As the utility model discloses a preferred structure, it is equipped with the support frame perpendicularly to fix respectively on the box inner wall at mount both ends, be equipped with a plurality of second fixed orificess on the support frame, the mount both ends all are equipped with the third fixed orifices, the mount passes through the bolt fastening on the support frame. In this structure, mount and support frame to and the setting of second fixed orifices and third fixed orifices, can be according to electrical equipment's size and mounted position, the position of adjustment mount, install the mount in the different positions of support frame.
As the utility model discloses a preferred structure, the box internal level of baffle top is equipped with the mount, the mount is used for fixed electrical equipment, the mount both ends are respectively through the box inner wall connection at first electronic slip table and mount both ends, first electronic slip table includes first guide rail and first slider, first guide rail is fixed respectively on the box inner wall of locating the mount both ends, the fixed mount both ends of locating of first slider, the mount slides through first slider and locates on the first guide rail, first electronic slip table is connected with the PLC controller electricity. In this structure, the position of automatic adjustment mount can be realized in the setting of first electronic slip table.
As a preferred structure of the utility model, first guide rail both ends all are equipped with the stopper.
As a preferred structure of the utility model, the hatch door is kept away from one side lateral wall middle part of hatch door and box articulated position and is equipped with the electronic lock, the position that the hatch door was kept away from one side of box articulated position and was corresponded with the electronic lock that sets up on the hatch door is equipped with the lockhole to the box, electronic lock and lockhole looks adaptation, the electronic lock is connected with the PLC controller electricity.
As an optimized structure of the utility model, the air inlet tank is internally provided with an inclined plate inclined downwards.
Drawings
Fig. 1 is a first schematic structural diagram of a protection device for electrical equipment according to an embodiment;
fig. 2 is a schematic structural diagram of a protection device for electrical equipment according to an embodiment;
FIG. 3 is a first schematic view of the door according to the first embodiment;
FIG. 4 is a second schematic view of the door according to the second embodiment;
FIG. 5 is a schematic structural diagram of the case according to the embodiment;
FIG. 6 is a top view of an embodiment of the separator plate;
FIG. 7 is a schematic view of a support frame according to an embodiment;
fig. 8 is a control system diagram of the control device according to the embodiment.
Description of reference numerals:
1. a distribution box; 101. a cabin door; 102. an articulation member; 103. an air inlet groove; 104. a sloping plate; 105. a filter screen; 106. a first groove; 107. a sealing strip; 108. an electronic lock; 109. a box body; 110. a step; 112. a partition plate; 113. a through hole; 114. a fan; 115. a second groove; 116. a closing plate; 117. a first seal ring; 118. a first motor; 119. a first rotating shaft; 120. a first runner; 121. a first wire rope; 122. a third groove; 123. a second seal ring; 124. a second motor; 125. a second rotating shaft; 126. a second runner; 127. a second wire rope; 128. a sliding groove; 129. a lock hole; 130. an exhaust pipe; 131. an electrically operated valve; 132. a fixed mount; 133. a first fixing hole; 134. a support frame; 135. a second fixing hole; 136. a third fixing hole; 137. a bolt; 138. a first electric sliding table; 139. a first guide rail; 140. a first slider; 141. a limiting block; 2. a control device; 201. a control panel; 202. a PLC controller; 203. a water level detector; 204. a moisture detector; 205. a temperature detector.
Detailed Description
To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
Referring to fig. 1 to 8, the present embodiment provides a protection device for electrical equipment, including: the distribution box 1 and the control device 2, the distribution box comprises a cabin door 101 and a box body 109, one side of the cabin door is connected with one side of the box body through a hinge component 102, the inner side of the cabin door is convex, the edge of the box body is provided with a step 110 matched with the convex inner side of the cabin door, an annular sealing ring 111 is fixedly arranged on the step, the bottom of the inner side of the cabin door is horizontally provided with an air inlet groove 103 communicated with the outside, the bottom of the inner side of the cabin door is also fixedly provided with a filter screen 105, the filter screen is pasted on the notch of the air inlet groove, the bottom of the inner side of the box body is horizontally provided with a baffle plate 112, two ends of the baffle plate extend to the groove edge of an annular groove, the baffle plate is arranged at the corresponding box body position above the air inlet groove arranged on the inner side of the cabin door, the middle part of the clapboard is provided with a through hole 113, a fan 114 is arranged in the through hole, the side wall of the clapboard at one side below the fan is horizontally provided with a second groove 115, a sealing plate 116 is arranged in the second groove, the sealing plate is square, a first sealing ring 117 is arranged between the end part of the second groove and the sealing plate, the bottom of the second groove is provided with a first rotating wheel, the first rotating wheel 120 is in transmission connection with a first motor 118 fixedly arranged above the clapboard through a first rotating shaft 119, the center of one side of the sealing plate close to the bottom of the second groove is fixedly provided with a first steel wire rope 121, the other end of the first steel wire rope is fixedly connected with the first rotating wheel, the side wall of the clapboard at the other side below the fan is horizontally provided with a third groove 122, the end part of the third groove is provided with a second sealing ring 123, the third groove is matched with the end part of the sealing plate far away from the bottom of the second groove, the bottom of the third groove is, a second steel wire rope 127 is fixedly arranged on the second rotating wheel, the other end of the second steel wire rope is fixedly connected with the center of the end part of the sealing plate, which is far away from the bottom of the second groove, the inner wall of the box body below the partition plate is provided with a water level measuring instrument, the box body above the partition plate is internally provided with electrical equipment, the inner wall of the box body above the partition plate is respectively provided with a humidity detector and a temperature detector, the side wall of the top of the box body above the partition plate is provided with an; the control device 2 comprises a control panel 201 and a PLC controller 202, wherein the control panel is electrically connected with the PLC controller, and the PLC controller is electrically connected with the first motor, the second motor, the water level detector 203, the humidity detector 204, the temperature detector 205 and the electric valve 131 respectively.
In the specific implementation process of the above embodiment, when the electrical equipment in the box needs to be cooled, or when the temperature detector detects that the temperature in the box above the partition board is too high, or exceeds a set threshold, in this embodiment, the threshold range detected by the temperature detector may be between 20 degrees celsius and 50 degrees celsius, that is, when the temperature detected by the temperature detector exceeds 50 degrees celsius, the PLC controller controls the fan to rotate and controls the electric valve to open the exhaust pipe, at this time, the fan blows air to start cooling the electrical equipment above the partition board, and when the temperature detected by the temperature detector is lower than the set threshold, that is, 20 degrees celsius, the PLC controller controls the fan to stop rotating, and controls the electric valve to close the exhaust pipe. When the interior of the box body above the partition plate needs to be dehumidified, or the humidity in the box body above the partition plate detected by the humidity detector exceeds a set threshold value, in the embodiment, the humidity is set to the threshold value range of 20% to 50%, that is, when the humidity range detected by the humidity detector exceeds 50%, the PLC controller controls the fan to rotate and controls the electric valve to open the exhaust pipe, thereby accelerating the gas flow in the box body and achieving the dehumidification effect, in different embodiments, the position of the upper surface of the clapboard close to the fan can be provided with a heating plate, the fan drives the heat generated by the heating plate to blow to the electrical equipment, when the humidity detected by the humidity detector is lower than 20%, the PLC controller controls the fan to stop rotating and controls the electric valve to close the exhaust pipe; in the embodiment, the temperature detector can adopt a temperature sensor with the model number of WZP-02 to be electrically connected with the PLC; the humidity detector can be electrically connected with the PLC controller by adopting a humidity sensor with the model number of ST-WS-20S. In the embodiment, the motor of the fan is fixed on the partition plate through the bracket; the closing plate is used for closing the through hole, and in the embodiment, the through hole is also square, so that the length and the width of the closing plate are correspondingly larger than those of the square through hole.
In the specific implementation process of the embodiment, when a large amount of rainwater is gathered in case of flood disasters, so that the distribution box is filled with rainwater, when the water level detector below the partition plate detects that rainwater enters the box body below the partition plate from the notch of the air inlet groove, especially when the water level in the box body exceeds a limited threshold value, the PLC controller controls the second motor and the first motor to rotate, the second motor rotates to drive the rotating wheel to rotate, thereby driving the second steel wire rope to pull the closing plate, enabling the closing plate to move along the contraction direction of the second steel wire rope until the closing plate completely closes the through hole, in the process of shrinking the second steel wire rope, the first motor rotates to discharge the first steel wire rope, so that rainwater entering from the air inlet groove is isolated in the box body below the partition plate by the partition plate and the sealing plate, thereby can not get into the baffle top and cause the influence to electrical equipment, the condition that electrical equipment also can not appear leaking the electric damage. In this embodiment, when the water level is lower than a set threshold, the PLC controller controls the first electric device and the second electric device to rotate, the first electric device rotates to withdraw the first steel wire rope, and the second electric device rotates to release the second steel wire rope, so as to withdraw the closing plate into the second groove again; in this embodiment, the water level detecting apparatus may be BM-001.
In the preferred embodiment of the above embodiment, as shown in fig. 6, the partition wall side walls on both sides below the fan are further horizontally provided with sliding grooves 128, the sliding grooves are arranged on the side walls on both sides of the partition wall along the moving direction of the closing plate, and the inner walls of the end portions of the sliding grooves are provided with third sealing rings (not shown in the figure). In this embodiment, the setting of sliding tray and sliding tray tip inner wall third sealing washer can effectual improvement closing plate a week sealing performance, avoids when the closing plate seals the back, and the rainwater permeates the baffle top from the closing plate both sides.
In some embodiments, as shown in fig. 1 and 7, a plurality of fixing brackets 132 are horizontally disposed in the box above the partition board, and first fixing holes 133 are disposed on the fixing brackets and are used for fixing the electrical equipment. The inner walls of the box bodies at the two ends of the fixing frame are respectively and fixedly and vertically provided with a supporting frame 134, the supporting frame is provided with a plurality of second fixing holes 135, the two ends of the fixing frame are respectively provided with a third fixing hole 136, and the fixing frame is fixed on the supporting frame through bolts 137. In this embodiment, the fixing frame and the supporting frame, and the second fixing hole and the third fixing hole are arranged, so that the position of the fixing frame can be adjusted according to the size and the installation position of the electrical equipment, and the fixing frame is installed at different positions of the supporting frame.
In different embodiments, a fixing frame is horizontally arranged in the box body above the partition plate, the fixing frame is used for fixing electrical equipment, two ends of the fixing frame are respectively connected with the inner walls of the box body at two ends of the fixing frame through a first electric sliding table 138, the first electric sliding table comprises a first guide rail 139 and a first sliding block 140, the first guide rail is respectively and fixedly arranged on the inner walls of the box body at two ends of the fixing frame, the first sliding block is fixedly arranged at two ends of the fixing frame, the fixing frame is slidably arranged on the first guide rail through the first sliding block, and the first electric sliding table is electrically connected with; in this embodiment, the two ends of the first guide rail are both provided with the limiting blocks 141, and the position of the fixing frame can be automatically adjusted by the arrangement of the first electric sliding table.
In some embodiments, as shown in fig. 3, 4 and 5, an electronic lock 108 is disposed in the middle of a side wall of the hatch, which is away from the hinged position of the hatch and the box, a lock hole 129 is disposed in a position of the box, which is away from the hinged position of the hatch and the box, corresponding to the electronic lock disposed on the hatch, and the electronic lock is adapted to the lock hole and electrically connected to the PLC controller; when the cabin door needs to be opened, an opening instruction is input through the control panel, and the PLC controller controls the electronic lock to be unlocked.
In some embodiments, as shown in fig. 3, a sloping panel 104 is provided in the air inlet duct and slopes downwardly.
In the above embodiment, the control device includes a control panel and a PLC controller, the control panel is used for inputting a control command and setting temperature, humidity and water level thresholds, the PLC controller operates according to the control command input in advance, and the control panel may further be provided with a display for displaying the temperature, humidity and water level in the tank detected by the temperature detector, the humidity detector and the water level detector; the PLC is a digital electronic device with a microprocessor, is used for automatic control and can load control instructions into a memory at any time for storage and execution. The PLC controller is formed by modularly assembling an internal CPU, an instruction and data memory, an input/output unit, a power module, a digital analog unit and the like, and in the embodiment, the type of the PLC controller can be FX3U-80MT PLC controller.
It should be noted that, although the above embodiments have been described herein, the scope of the present invention is not limited thereby. Therefore, based on the innovative concept of the present invention, the changes and modifications of the embodiments described herein, or the equivalent structure or equivalent process changes made by the contents of the specification and the drawings of the present invention, directly or indirectly apply the above technical solutions to other related technical fields, all included in the scope of the present invention.

Claims (8)

1. A protection device for electrical equipment, comprising: the distribution box comprises a cabin door and a box body, one side of the cabin door is connected with one side of the box body through an articulated piece, the inner side of the cabin door is convex, the edge of the box body is provided with a step matched with the convex inner side of the cabin door, an annular sealing ring is fixedly arranged on the step, the bottom of the inner side of the cabin door is horizontally provided with an air inlet groove communicated with the outside, the bottom of the inner side of the cabin door is also fixedly provided with a filter screen, the filter screen is pasted on the notch of the air inlet groove, the bottom of the inner side of the box body is horizontally provided with a baffle plate, two ends of the baffle plate extend to the groove edge of the annular groove, the baffle plate is arranged at the corresponding box body position above the air inlet groove arranged at the inner side of the cabin door, the outer side of the baffle plate extends out of the box, the bottom of the first groove is provided with a sealing strip, the middle part of the partition board is provided with a through hole, the through hole is internally provided with a fan, the side wall of the partition board positioned on one side below the fan is horizontally provided with a second groove, the second groove is internally provided with a sealing plate, the sealing plate is square, a first sealing ring is arranged between the end part of the second groove and the sealing plate, the bottom of the second groove is provided with a first rotating wheel, the first rotating wheel is in transmission connection with a first motor fixedly arranged above the partition board through a first rotating shaft, the center of one side of the sealing plate close to the bottom of the second groove is fixedly provided with a first steel wire rope, the other end of the first steel wire rope is fixedly connected with the first rotating wheel, the side wall of the partition board on the other side below the fan is horizontally provided with a third groove, the end part of the third groove is provided with a second sealing, a second rotating wheel is arranged at the bottom of the third groove and fixedly connected with a second motor fixedly arranged above the partition plate through a second rotating shaft, a second steel wire rope is fixedly arranged on the second rotating wheel, the other end of the second steel wire rope is fixedly connected with the center of the end part of the closing plate, far away from the bottom of the second groove, of the end part, a water level measuring instrument is arranged on the inner wall of the box body below the partition plate, electrical equipment is arranged in the box body above the partition plate, a humidity detector and a temperature detector are respectively arranged on the inner wall of the box body above the partition plate, an exhaust pipe is arranged on the side wall of the top of the box body above;
the control device comprises a control panel and a PLC (programmable logic controller), the control panel is electrically connected with the PLC, and the PLC is respectively electrically connected with the first motor, the second motor, the water level detector, the humidity detector, the temperature detector and the electric valve.
2. The protection device for electrical equipment according to claim 1, characterized in that: the partition plate side walls on two sides below the fan are horizontally provided with sliding grooves, the sliding grooves are formed in the side walls on two sides of the partition plate along the motion direction of the closing plate, and third sealing rings are arranged on the inner walls of the end portions of the sliding grooves.
3. The protection device for electrical equipment according to claim 1, characterized in that: the box body above the partition board is internally and horizontally provided with a plurality of fixing frames, the fixing frames are provided with first fixing holes, and the first fixing holes are used for fixing electrical equipment.
4. The protection device for electrical equipment according to claim 3, characterized in that: the box inner walls at the two ends of the fixing frame are respectively and fixedly and vertically provided with a supporting frame, the supporting frame is provided with a plurality of second fixing holes, the two ends of the fixing frame are respectively provided with a third fixing hole, and the fixing frame is fixed on the supporting frame through bolts.
5. The protection device for electrical equipment according to claim 1, characterized in that: the box internal level of baffle top is equipped with the mount, the mount is used for fixed electrical equipment, the mount both ends are respectively through the box inner wall connection at first electronic slip table and mount both ends, first electronic slip table includes first guide rail and first slider, first guide rail is fixed respectively and is located on the box inner wall at mount both ends, the mount both ends are fixed to be located to first slider, the mount slides through first slider and locates on the first guide rail, first electronic slip table is connected with the PLC controller electricity.
6. The protection device for electrical equipment according to claim 5, characterized in that: and limiting blocks are arranged at two ends of the first guide rail.
7. The protection device for electrical equipment according to claim 1, characterized in that: the electronic lock is arranged in the middle of the side wall of one side, away from the hinged position of the cabin door and the box body, of the cabin door, a lock hole is arranged in one side, away from the hinged position of the cabin door and the box body, of the box body and corresponds to the electronic lock arranged on the cabin door, the electronic lock is matched with the lock hole, and the electronic lock is electrically connected with the PLC.
8. The protection device for electrical equipment according to claim 1, characterized in that: an inclined plate which inclines downwards is arranged in the air inlet groove.
CN202021394799.4U 2020-07-15 2020-07-15 Protection device for electrical equipment Active CN212323509U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021394799.4U CN212323509U (en) 2020-07-15 2020-07-15 Protection device for electrical equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021394799.4U CN212323509U (en) 2020-07-15 2020-07-15 Protection device for electrical equipment

Publications (1)

Publication Number Publication Date
CN212323509U true CN212323509U (en) 2021-01-08

Family

ID=74027245

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021394799.4U Active CN212323509U (en) 2020-07-15 2020-07-15 Protection device for electrical equipment

Country Status (1)

Country Link
CN (1) CN212323509U (en)

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