CN212784316U - High-voltage electrical switch equipment - Google Patents
High-voltage electrical switch equipment Download PDFInfo
- Publication number
- CN212784316U CN212784316U CN202021925898.0U CN202021925898U CN212784316U CN 212784316 U CN212784316 U CN 212784316U CN 202021925898 U CN202021925898 U CN 202021925898U CN 212784316 U CN212784316 U CN 212784316U
- Authority
- CN
- China
- Prior art keywords
- cubical switchboard
- switchboard body
- gas vent
- switch cabinet
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 44
- 230000006698 induction Effects 0.000 claims abstract description 25
- 238000001035 drying Methods 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims abstract description 9
- 230000002265 prevention Effects 0.000 claims abstract description 8
- 239000000428 dust Substances 0.000 claims abstract description 6
- 239000000725 suspension Substances 0.000 claims description 17
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 12
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 12
- 241001330002 Bambuseae Species 0.000 claims description 12
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 12
- 239000011425 bamboo Substances 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 9
- 239000012188 paraffin wax Substances 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 6
- 230000004927 fusion Effects 0.000 claims description 2
- 239000012528 membrane Substances 0.000 claims description 2
- 230000017525 heat dissipation Effects 0.000 abstract description 4
- 239000002274 desiccant Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 230000005484 gravity Effects 0.000 description 2
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 229910000743 fusible alloy Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a high-voltage electrical switchgear, including the cubical switchboard body, the sealing door is installed to the open end of the cubical switchboard body, and open one side bottom of the cubical switchboard body has a plurality of induction ports, and open the opposite side top of the cubical switchboard body has a plurality of gas vents, the equal fixed mounting dust screen in the outside of gas vent and induction port, the inboard fan of installing of gas vent, all install sealing mechanism on the outer wall of the cubical switchboard body of gas vent and induction port department, and dry mechanism is installed to the inboard of induction port, the inner chamber top installation fire prevention mechanism of the cubical switchboard body. When the temperature of the switch cabinet body is higher, the sealing mechanism is opened, the fan can conveniently conduct air flow through the air exhaust port and the air suction port, so that heat dissipation is conducted on the switch cabinet body, the drying mechanism dries the entering air at the moment, the sealing mechanism seals the air exhaust port and the air suction port when the temperature of the switch cabinet body is low, the air exhaust port and the air suction port are prevented from being exposed for a long time to cause humidity in the switch cabinet body, and the fire prevention mechanism can extinguish faults due to ignition of the fire prevention mechanism, so that the safety is improved.
Description
Technical Field
The utility model relates to a high-voltage electrical switch technical field specifically is a high-voltage electrical switchgear.
Background
The high-voltage switch equipment is mainly used for switching on and off an electric appliance of a conductive loop with rated voltage of 1kV or more, generally comprises a high-voltage circuit breaker, a disconnecting switch, a load switch, a fuse, a high-voltage switch cabinet and the like, wherein the high-voltage switch cabinet is often internally provided with the high-voltage switch connected with a high-voltage bus, the connection positions often have flashover phenomena due to humid air, the radiating holes of the conventional high-voltage switch cabinet are exposed for a long time, the external air is communicated with the inside of the switch cabinet no matter the temperature in the switch cabinet is high or low, when the external air humidity is high, the flashover is easily caused when the air enters the high-voltage switch cabinet, and the operation of the high-voltage switch cabinet is easy to be unstable.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high-voltage electrical switchgear to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high-voltage electrical switchgear, includes the cubical switchboard body, sealing door is installed to the open end of the cubical switchboard body, open one side bottom of the cubical switchboard body has a plurality of induction ports, open the opposite side top of the cubical switchboard body has a plurality of gas vents, the equal fixed mounting dust screen in the outside of gas vent and induction port, the inboard installation fan of gas vent, all install sealing mechanism on the outer wall of the cubical switchboard body of gas vent and induction port department, dry mechanism is installed to the inboard of induction port, the fire prevention mechanism is installed at the inner chamber top of the cubical switchboard body.
Preferably, the sealing mechanism comprises a fixing plate, the fixing plate is fixedly installed on the outer wall of the switch cabinet body on two sides of the air outlet and the air inlet, a plurality of sealing plates are rotatably installed between the fixing plates through pin shafts, the sealing plates are opposite to the air outlet and the air inlet, permanent magnets are fixedly embedded in the inner walls of the sealing plates, electromagnets are fixedly embedded in the outer wall of the switch cabinet body at the bottoms of the air outlet and the air inlet, the electromagnets are opposite to the permanent magnets, and sealing rings are fixedly embedded in the edges of the inner walls of the sealing.
Preferably, the electromagnet and the permanent magnet are opposite in magnetic pole on the side close to each other, the width of the permanent magnet is larger than that of the electromagnet, and the electromagnet is connected with the fan in series through a lead.
Preferably, drying mechanism is including placing the box, the blind end of placing the box cup joints the inboard of induction port through helicitic texture, the waterproof ventilated membrane of blind end terminal surface fixed mounting of placing the box, place the interior packing drier of box, the open end of placing the box cup joints the lid through helicitic texture, and the lid has all opened a plurality of air vents with the blind end of placing the box.
Preferably, the fire prevention mechanism is including hanging a section of thick bamboo, hang the one end of a blind end terminal surface fixed connection lifting rope of a section of thick bamboo, the inner chamber top of the other end fixed connection cubical switchboard body of lifting rope, the solid fixed ring of cubical switchboard body top fixed mounting in the lifting rope outside, hang the solid fixed ring of blind end joint of a section of thick bamboo, and the circumference outer wall and the solid fixed ring butt fusion paraffin seal ring of a section of thick bamboo that suspends in midair, suspend the easy-melting bottom plate of the fixed joint of bobbin base inner wall, the dry powder is filled to the inner chamber of a section of thick bamboo that suspends.
Preferably, the length of the lifting rope is larger than the height of the fixing ring, and the lifting rope is spirally laid between the suspension cylinder and the top plate of the switch cabinet body.
Compared with the prior art, the beneficial effects of the utility model are that:
1. when the temperature of the switch cabinet body is higher, the sealing mechanism is opened, so that the fan can conveniently conduct air flow through the air exhaust port and the air suction port to radiate heat of the switch cabinet body, and when the temperature of the switch cabinet body is low, the sealing mechanism seals the air exhaust port and the air suction port to prevent the humidity in the switch cabinet body caused by long-term exposure of the air exhaust port and the air suction port;
2. during heat dissipation, when external humid air enters through the air suction port, the waterproof breathable film preliminarily blocks dripping of the humid air, then the humid air flows through the placing box and the box cover through the vent hole, and the drying agent absorbs moisture in the humid air at the moment, so that the drying and dehumidifying effects are achieved, and the humidity in the switch cabinet body is avoided;
3. when a fire breaks out in the switch cabinet body, the fusible bottom plate and the paraffin sealing ring are melted by flame temperature, dry powder is scattered, and meanwhile, the suspension cylinder is separated from the fixing ring and is suspended by the lifting rope to shake, so that the dry powder fully covers the flame, the fire extinguishing effect is achieved, the fire spread is avoided, and the safety performance is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;
FIG. 3 is a schematic structural view of the drying mechanism of the present invention;
fig. 4 is the schematic view of the structure of the fire-proof mechanism of the present invention.
In the figure: 1. a switch cabinet body; 2. a sealing door; 3. an exhaust port; 4. an air suction port; 5. a dust screen; 6. a fan; 7. a sealing mechanism; 71. a fixing plate; 72. a sealing plate; 73. a permanent magnet; 74. an electromagnet; 75. a seal ring; 8. a drying mechanism; 81. a vent hole; 82. a box cover; 83. a desiccant; 84. placing the box; 85. a waterproof breathable film; 9. a fire prevention mechanism; 91. a suspension cylinder; 92. a fusible bottom plate; 93. dry powder; 94. sealing a ring by paraffin; 95. a fixing ring; 96. a lifting rope.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a high-voltage electrical switchgear, including the cubical switchboard body 1, sealing door 2 is installed to the open end of the cubical switchboard body 1, open one side bottom of the cubical switchboard body 1 has a plurality of induction ports 4, open the opposite side top of the cubical switchboard body 1 has a plurality of gas vents 3, the equal fixed mounting dust screen in the outside of gas vent 3 and induction port 4 5, the inboard installation fan 6 of gas vent 3, all install sealing mechanism 7 on the cubical switchboard body 1's of gas vent 3 and induction port 4 department the outer wall, dry mechanism 8 is installed to induction port 4's inboard, the inner chamber top installation fire prevention mechanism 9 of the cubical switchboard body 1. Sealing door 2 is sealed at ordinary times, when the temperature is lower in the cubical switchboard body 1, sealing mechanism 7 is closed with gas vent 3 and the sealed shutoff of induction port 4, avoid the outside air to get into, when the cubical switchboard body 1 temperature is higher, sealing mechanism 7 opens, gas vent 3 and induction port 4 are unblocked, fan 6 starts simultaneously, fan 6 discharges the high-temperature gas in the cubical switchboard body 1 from gas vent 3, outside air carries out the pressure compensation in getting into the cubical switchboard body 1 from induction port 4 simultaneously, thereby dispel the heat and cool down in the cubical switchboard body 1 through the air current, outside air passes through 8 dry dehumidifications of drying mechanism when the induction port 4 flows in this moment, avoid the cubical switchboard body 1 interior damp to lead to the corruption, flashover etc., sealing mechanism 7 is closed again after the cubical switchboard body 1 temperature reduces, avoid exposing for a long time and lead to inside moist.
The sealing mechanism 7 comprises a fixed plate 71, the fixed plate 71 is fixedly arranged on the outer wall of the switch cabinet body 1 at two sides of the air outlet 3 and the air inlet 4, a plurality of sealing plates 72 are rotatably arranged between the fixed plates 71 through pin shafts, the sealing plates 72 are opposite to the air outlet 3 and the air inlet 4, permanent magnets 73 are fixedly embedded in the inner walls of the sealing plates 72, electromagnets 74 are fixedly embedded in the outer walls of the switch cabinet body 1 at the bottom of the air outlet 3 and the air inlet 4, the electromagnets 74 are opposite to the permanent magnets 73, sealing rings 75 are fixedly embedded in the edges of the inner walls of the sealing plates 72, so that the temperature in the switch cabinet body 1 is lower at ordinary times, at the moment, the fan 6 and the electromagnets 74 are powered off, the sealing plates 72 are attached to the outer wall of the switch cabinet body 1 under the gravity, at the moment, the permanent magnets, the fan 6 and the electromagnet 74 are electrified, the magnetic poles of the side, close to the permanent magnet 73, of the electromagnet 74 are opposite, and then the repulsive force between the electromagnet 74 and the permanent magnet 73 pushes the sealing plate 72 to rotate and open, so that heat dissipation is facilitated.
Further, the width of permanent magnet 73 is greater than electro-magnet 74, and then when electro-magnet 74 cut off the power supply, permanent magnet 73 edge can adsorb the cubical switchboard body 1 outer wall in the electro-magnet 74 outside for the closing plate 72 laminates cubical switchboard body 1 and seals, and electro-magnet 74 passes through wire series fan 6, and the series circuit of electro-magnet 74 and fan 6 still establishes ties KSD301/302 type temperature detect switch, through temperature detect switch monitoring cubical switchboard body 1 internal temperature, and open or break off fan 6 and electro-magnet 74 circuit.
The drying mechanism 8 comprises a placing box 84, the closed end of the placing box 84 is sleeved on the inner side of the air suction port 4 through a threaded structure, a waterproof breathable film 85 is fixedly installed on the end surface of the closed end of the placing box 84, a drying agent 83 is filled in the placing box 84, the open end of the placing box 84 is sleeved on the box cover 82 through a threaded structure, the closed ends of the box cover 82 and the placing box 84 are both provided with a plurality of vent holes 81, the waterproof breathable film 85 is made of polytetrafluoroethylene, when heat dissipation is carried out, moist air enters the switch cabinet body 1 from the air suction port 4, at the moment, the dripping and dew dropping of the moist air are primarily blocked through the waterproof breathable film 85, then the moist air flows through the placing box 84 and the box cover 82 through the vent hole 81, at the moment, the drying agent 83 absorbs moisture in the moist air, the drying and dehumidifying effects are achieved, the moisture in the switch cabinet body 1 is avoided, and the box cover 82 can be detached through a threaded structure, so that the drying agent 83 is convenient to replace.
Furthermore, the drying agent 83 is a silica gel drying agent which can be dried and recycled after absorbing water, so that the drying agent is more environment-friendly and economical.
The fireproof mechanism 9 comprises a suspension cylinder 91, the end face of the closed end of the suspension cylinder 91 is fixedly connected with one end of a suspension rope 96, the other end of the suspension rope 96 is fixedly connected with the top of the inner cavity of the switch cabinet body 1, the top of the inner cavity of the switch cabinet body 1 outside the suspension rope 96 is fixedly provided with a fixing ring 95, the closed end of the suspension cylinder 91 is clamped with the fixing ring 95, a paraffin seal ring 94 is welded between the circumferential outer wall of the suspension cylinder 91 and the fixing ring 95, the inner wall of the bottom of the suspension cylinder 91 is fixedly clamped with a fusible bottom plate 92, the inner cavity of the suspension cylinder 91 is filled with dry powder 93, the length of the suspension rope 96 is larger than the height of the fixing ring 95, the suspension rope 96 is spirally laid between the suspension cylinder 91 and the top plate of the switch cabinet body 1, the suspension cylinder 91 is fixed in the fixing ring 95 through the paraffin seal ring 94 at ordinary times, when the switch cabinet body 1 is on fire due to faults, meanwhile, the hanging cylinder 91 is separated from the fixing ring 95 and is hung by the hanging rope 96 to shake, so that the dry powder 93 fully covers the flame, the fire extinguishing effect is achieved, and the fire is prevented from spreading.
Furthermore, the fusible bottom plate 92 can be made of fusible alloy such as bismuth, lead, tin and cadmium, and can also be made of fusible plastic such as PU foam.
The working principle is as follows: when the utility model is used, the sealing door 2 is closed and sealed all the time, when the temperature in the switch cabinet body 1 is low, the fan 6 and the electromagnet 74 are both in a power-off state, the sealing plate 72 is attached to the outer wall of the switch cabinet body 1 under the gravity, at the same time, the permanent magnet 73 magnetically floats the outer wall of the switch cabinet body 1, the sealing ring 75 improves the sealing effect, and prevents the external air from entering the switch cabinet body 1, when the temperature in the switch cabinet body 1 is high, the fan 6 and the electromagnet 74 are electrified, the magnetic pole of the electromagnet 74 close to the permanent magnet 73 is opposite, the repulsion force between the electromagnet 74 and the permanent magnet 73 pushes the sealing plate 72 to rotate and open, at the same time, the fan 6 discharges the hot air in the switch cabinet body 1 from the exhaust port 3, meanwhile, the external air enters the balance air pressure in the switch cabinet body 1 through the air, the wet air is primarily blocked by the waterproof breathable film 85, then flows through the placing box 84 and the box cover 82 through the vent hole 81, at the moment, the drying agent 83 absorbs moisture in the wet air, the drying and dehumidifying effects are achieved, the moisture in the switch cabinet body 1 is avoided, the dustproof net 5 is used for preventing dust, when the temperature in the switch cabinet body 1 is reduced, the fan 6 and the electromagnet 74 are powered off again, the sealing plate 72 is closed and sealed again, the corrosion and flashover of parts caused by the moisture in the switch cabinet body 1 are avoided, the operation stability of the high-voltage switch cabinet is improved, when a fault occurs due to the fire in the switch cabinet body 1, the fusible bottom plate 92 and the paraffin sealing ring 94 are melted by the flame temperature, the dry powder 93 is scattered, meanwhile, the hanging cylinder 91 is separated from the fixing ring 95 and swings under the hanging rope 96, the dry powder 93 fully covers the flame, the fire extinguishing effect is achieved, and the fire spread is, the safety performance is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A high-voltage electrical switchgear, comprising a switchgear body (1), characterized in that: sealing door (2) are installed to the open end of the cubical switchboard body (1), open one side bottom of the cubical switchboard body (1) has a plurality of induction ports (4), open at the opposite side top of the cubical switchboard body (1) has a plurality of gas vents (3), equal fixed mounting dust screen (5) in the outside of gas vent (3) and induction port (4), inboard installation fan (6) of gas vent (3), all install sealing mechanism (7) on the outer wall of the cubical switchboard body (1) that gas vent (3) and induction port (4) located, dry mechanism (8) are installed to the inboard of induction port (4), fire prevention mechanism (9) are installed at the inner chamber top of the cubical switchboard body (1).
2. A high-voltage electrical switching apparatus according to claim 1, wherein: sealing mechanism (7) are including fixed plate (71), equal fixed mounting fixed plate (71) on the cubical switchboard body (1) outer wall of gas vent (3) and induction port (4) both sides, rotate a plurality of closing plates (72) of installation through the round pin axle between fixed plate (71), closing plate (72) are just to gas vent (3) and induction port (4), the fixed embedded installation permanent magnet (73) of inner wall of closing plate (72), equal fixed embedded installation electro-magnet (74) of cubical switchboard body (1) outer wall of gas vent (3) and induction port (4) bottom, electro-magnet (74) are just to permanent magnet (73), closing plate (72) inner wall edge fixed embedded installation sealing washer (75).
3. A high voltage electrical switching apparatus according to claim 2 wherein: the electromagnet (74) and the permanent magnet (73) are opposite in magnetic pole on the side close to each other, the width of the permanent magnet (73) is larger than that of the electromagnet (74), and the electromagnet (74) is connected with the fan (6) in series through a conducting wire.
4. A high-voltage electrical switching apparatus according to claim 1, wherein: drying mechanism (8) are including placing box (84), the blind end of placing box (84) cup joints the inboard of induction port (4) through helicitic texture, the waterproof ventilated membrane of blind end terminal surface fixed mounting (85) of placing box (84), pack drier (83) in placing box (84), the open end of placing box (84) cup joints lid (82) through helicitic texture, and lid (82) and the blind end of placing box (84) all opened a plurality of air vents (81).
5. A high-voltage electrical switching apparatus according to claim 1, wherein: fireproof mechanism (9) is including hanging a section of thick bamboo (91), the one end of blind end terminal surface fixed connection lifting rope (96) of hanging a section of thick bamboo (91), the inner chamber top of the other end fixed connection cubical switchboard body (1) of lifting rope (96), the cubical switchboard body (1) the solid fixed ring of inner chamber top fixed mounting (95) in the lifting rope (96) outside, the solid fixed ring of blind end joint (95) of hanging a section of thick bamboo (91), and the butt fusion connects paraffin seal ring (94) between the circumference outer wall of hanging a section of thick bamboo (91) and solid fixed ring (95), hang a section of thick bamboo (91) bottom inner wall fixed joint fusible bottom plate (92), the inner chamber of hanging a section of thick bamboo (91) is filled dry powder (93).
6. A high-voltage electrical switching apparatus according to claim 5, wherein: the length of lifting rope (96) is greater than the height of fixed ring (95), lifting rope (96) spiral is laid between a suspension section of thick bamboo (91) and the roof of cubical switchboard body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021925898.0U CN212784316U (en) | 2020-09-07 | 2020-09-07 | High-voltage electrical switch equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021925898.0U CN212784316U (en) | 2020-09-07 | 2020-09-07 | High-voltage electrical switch equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212784316U true CN212784316U (en) | 2021-03-23 |
Family
ID=75064813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021925898.0U Expired - Fee Related CN212784316U (en) | 2020-09-07 | 2020-09-07 | High-voltage electrical switch equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212784316U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113192271A (en) * | 2021-04-21 | 2021-07-30 | 重庆工业职业技术学院 | Intelligent logistics cabinet |
| CN113284700A (en) * | 2021-05-20 | 2021-08-20 | 安徽金环电气设备有限责任公司 | Breathing type heat-dissipation moisture-proof dry-type transformer |
| CN113465305A (en) * | 2021-08-05 | 2021-10-01 | 上海网车科技有限公司 | Vehicle-mounted camera electronic device with drying function |
-
2020
- 2020-09-07 CN CN202021925898.0U patent/CN212784316U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113192271A (en) * | 2021-04-21 | 2021-07-30 | 重庆工业职业技术学院 | Intelligent logistics cabinet |
| CN113192271B (en) * | 2021-04-21 | 2022-08-30 | 重庆工业职业技术学院 | Intelligent logistics cabinet |
| CN113284700A (en) * | 2021-05-20 | 2021-08-20 | 安徽金环电气设备有限责任公司 | Breathing type heat-dissipation moisture-proof dry-type transformer |
| CN113284700B (en) * | 2021-05-20 | 2022-04-19 | 安徽金环电气设备有限责任公司 | Breathing type heat-dissipation moisture-proof dry-type transformer |
| CN113465305A (en) * | 2021-08-05 | 2021-10-01 | 上海网车科技有限公司 | Vehicle-mounted camera electronic device with drying function |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210323 |
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| CF01 | Termination of patent right due to non-payment of annual fee |