CN210838493U - Dustproof high-voltage switch cabinet - Google Patents
Dustproof high-voltage switch cabinet Download PDFInfo
- Publication number
- CN210838493U CN210838493U CN201921519275.0U CN201921519275U CN210838493U CN 210838493 U CN210838493 U CN 210838493U CN 201921519275 U CN201921519275 U CN 201921519275U CN 210838493 U CN210838493 U CN 210838493U
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- shaped
- shell
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- dust
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- 238000009423 ventilation Methods 0.000 claims abstract description 51
- 239000000428 dust Substances 0.000 claims abstract description 38
- 230000017525 heat dissipation Effects 0.000 claims abstract description 12
- 238000007791 dehumidification Methods 0.000 claims abstract description 4
- 238000005192 partition Methods 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 8
- 230000002457 bidirectional effect Effects 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 241000883990 Flabellum Species 0.000 abstract description 8
- 230000003068 static effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 208000028659 discharge Diseases 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model discloses a can dirt-proof high tension switchgear, including casing, heat dissipation dust removal part, dehumidification part and spacing part, the inside top of casing is provided with the ventilation chamber, and the casing lateral wall at ventilation chamber both ends all is provided with vent two, the inside symmetry of casing of ventilation chamber below is provided with a pair of L type passageway, and has seted up vent one between L type passageway and the ventilation chamber. The utility model discloses two-way motor drive pivot is rotated, and then drive flabellum two rotates with the flabellum together, the circulation speed in electronic component chamber has been improved, and the arc dust filter net can filter the dust in the entering air, prevent that the dust from getting into electronic component intracavity portion, the rotation is positive reverse in the interval nature of simultaneous control ware control two-way motor, the air intake turns into the air outlet promptly, the air outlet turns into the air intake, can blow down the dust that is infected with on the arc dust filter net, prevent that the arc dust filter net from being infected with a large amount of dusts on the net, influence the intake.
Description
Technical Field
The utility model relates to a cubical switchboard technical field, specificly relate to a can dirt-proof high tension switchgear.
Background
The high-voltage switch cabinet is an electrical appliance product which is used for power generation, power transmission, power distribution, electric energy conversion and consumption of an electric power system and plays roles of on-off, control or protection and the like, the voltage level is 3.6 kV-550 kV, and the high-voltage switch cabinet manufacturing industry is an important component of the power transmission and transformation equipment manufacturing industry and plays a very important role in the whole electrical industry.
High tension switchgear can produce a large amount of heats at the during operation at inside component, these heats if not too late discharge, can lead to the inside temperature of high tension switchgear to rise, and then shortened high tension switchgear inside component life, so at present high tension switchgear for its lateral wall of heat dissipation all can set up heat dissipation fan and thermovent, the heat dissipation fan is with inside air and outside air forced circulation, and then dispel the heat to high tension switchgear, but outside dust can be inside along with the air admission high tension switchgear like this, because the inside component of high tension switchgear is at the during operation, can produce static, can lead to piling up a large amount of dusts on the inside component of high tension switchgear like this, influence its heat dissipation, simultaneously in humid environment, moisture taken in the air can make the inside electronic component of high tension switchgear wet.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved
An object of the utility model is to provide a can dirt-proof high tension switchgear to solve the problem that proposes among the above-mentioned background art.
2. Technical scheme
In order to solve the above problem, the utility model adopts the following technical scheme:
a dustproof high-voltage switch cabinet comprises a shell, a heat dissipation and dust removal part, a dehumidification part and a limiting part, wherein a ventilation cavity is arranged at the top end inside the shell, two ventilation openings II are formed in the side walls of the shell at two ends of the ventilation cavity, a pair of L-shaped channels are symmetrically arranged inside the shell below the ventilation cavity, a first ventilation opening is formed between each L-shaped channel and the ventilation cavity, and an electronic element cavity is arranged inside the ventilation cavity between the two L-shaped channels;
the heat dissipation and dust removal component is arranged in the ventilation cavity and comprises a partition plate, a rotating shaft, a fan blade II, a fan blade I, a gear II, a two-way motor, a gear I, a controller and an arc dust filter screen, wherein two partition plates are vertically arranged in the ventilation cavity between the two first ventilation openings, a rotating shaft is arranged between the two partition plates through a bearing, two ends of the rotating shaft respectively extend to the positions of the two ventilation openings and are fixedly connected with the fan blade II and the fan blade I, the fan blade II is opposite to the fan blade I, the gear II is arranged on the outer side wall of the middle position of the rotating shaft, the two-way motor is arranged at the bottom end in the ventilation cavity below the gear II, the output end of the two-way motor is fixedly connected with the gear I, the gear I and the gear II are mutually meshed, the controller is arranged at the top end in the ventilation cavity, the arc-shaped dust filter screen is arranged on the outer side wall of the shell outside the second ventilation opening;
the dehumidifying component is arranged in the L-shaped channel and comprises an L-shaped drawing plate and drying strips, the L-shaped drawing plate is arranged at the bottom end in the L-shaped channel in a sliding mode, inserting grooves are evenly formed in the bottom end of the inner side of the L-shaped drawing plate, the drying strips are inserted in the inserting grooves, and through holes are evenly formed between the electronic element cavity on one side of the L-shaped drawing plate and the L-shaped channel;
spacing part sets up in the casing bottom, spacing part includes universal wheel, U type bottom plate, fixed strip, fixed plate, reference column and screw rod, the bottom of casing evenly is provided with four universal wheels, U type bottom plate slip cap is in the casing bottom, and U type bottom plate bottom evenly is provided with four logical grooves, and leads to groove and universal wheel and match each other, the top at U type bottom plate both ends sets up the fixed strip, the casing lateral wall vertical welding of fixed strip top has the fixed plate, the fixed plate both ends all run through and are provided with the reference column, and the bottom of reference column extends and fixed strip fixed connection, screw rod intermediate position department runs through and is provided with the screw rod, and the bottom of screw rod is passed through the bearing and is connected with the fixed strip.
Preferably, one side of the L-shaped drawing plate is provided with a pull handle.
Preferably, the bottom of the shell on one side of the through groove is provided with a rubber pad.
Preferably, a door body is arranged on one side of the electronic element cavity, and the ion fans are uniformly arranged on the inner side of the door body and are electrically connected with the controller.
Preferably, the top end of the screw rod is provided with a rotating handle.
3. Advantageous effects
1. The utility model discloses the bottom of casing evenly sets up four universal wheels, U type bottom plate slip cap is in the casing bottom, and U type bottom plate bottom evenly sets up four logical grooves, and logical groove and universal wheel match each other, the top at U type bottom plate both ends sets up the fixed strip, the casing lateral wall vertical welding fixed plate above the fixed strip, the fixed plate both ends are all run through and set up the reference column, and the bottom extension of reference column and fixed strip fixed connection, screw rod intermediate position department runs through the setting screw rod, and the bottom of screw rod is connected with the fixed strip through the bearing, when needing to remove the utility model, only need to rotate the rotatory handle drive screw rod and rotate, and then make the casing move downwards, make the casing bottom universal wheel stretch out from the logical groove, promote the utility model through the universal wheel and remove, when removing the utility model discloses to the assigned position, only need to rotate the rotatory handle of direction and make U type bottom plate, prop up the casing for the universal wheel of casing bottom leaves ground, can make the utility model discloses fix in the assigned position, convenient to use.
2. The utility model vertically arranges two clapboards in the ventilation cavity between two vents II, and a rotating shaft is arranged between the two clapboards through a bearing, and the two ends of the rotating shaft respectively extend to the positions of the vents II to fixedly connect a fan blade II and a fan blade I, the fan blade II is opposite to the fan blade I, a gear II is arranged on the outer side wall of the middle position of the rotating shaft, a two-way motor is arranged at the bottom end in the ventilation cavity below the gear II, the output end of the two-way motor is fixedly connected with a gear I, the gear I is mutually meshed with the gear II, a controller is arranged at the top end in the ventilation cavity above the gear II, the two-way motor is electrically connected with the controller, an arc-shaped dust filtering net is arranged on the outer side wall of the shell outside the vents II, when in use, the output end of the two-way motor rotates to drive the gear I to rotate, and then the drive pivot rotates, the pivot rotates and makes the flabellum two of the both ends of pivot rotate with flabellum one, because flabellum two is opposite with flabellum one again, so when flabellum two rotates with flabellum one, so one air inlet is aired exhaust, the circulation speed in electronic component chamber has been improved, and the arc dust filter screen can filter the dust in the entering air, prevent that the dust from getting into the electronic component intracavity portion, the intermittent forward and reverse rotation of two-way motor is controlled to the controller simultaneously, namely the air intake turns into the air outlet, the air outlet turns into the air intake, can blow off the dust that is infected with on the arc dust filter screen, prevent that the arc dust filter screen from being infected with a large amount of dust on the net.
3. The utility model discloses the inside bottom of L type passageway slides and sets up L type pull board, and the inboard bottom of L type pull board evenly sets up the slot, and inside the inserting of slot establishes dry strip, evenly set up the through-hole between the electronic component chamber of L type pull board one side and the L type passageway, during the application, dry strip can adsorb the moisture in the air that gets into the electronic component chamber, prevent that electronic component intracavity internal component from weing, and turn into the air outlet at the air intake, when the air outlet turns into the air intake, electronic component chamber exhaust hot-air can be discharged the absorbent moisture evaporation of dry strip, need not frequently to change dry strip, high durability and convenient use.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic front view of the structure of the present invention;
fig. 3 is a schematic structural view of an L-shaped pulling plate of the present invention;
fig. 4 is a schematic side view of the present invention.
Reference numerals: the device comprises a rubber pad 1, a U-shaped bottom plate 2, a positioning column 3, a drying strip 4, a shell 5, an L-shaped channel 6, a ventilation opening I7, a ventilation cavity 8, a fan blade I9, a bidirectional motor 10, a gear I11, a gear II 12, a controller 13, a partition plate 14, a rotating shaft 15, a fan blade II 16, a ventilation opening II 17, an arc-shaped dust filter screen 18, an electronic component cavity 19, a through hole 20, a fixing plate 21, a screw rod 22, a fixing strip 23, a pull plate 24, an L-shaped pull plate 25, a through groove 26, a universal wheel 27, a door body 28 and an ion fan.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Examples
As shown in fig. 1-4, the dustproof high-voltage switch cabinet comprises a housing 5, a heat dissipation and dust removal part, a dehumidification part and a limit part, wherein a ventilation cavity 8 is arranged at the top end inside the housing 5, two ventilation openings 17 are formed in the housing side walls at two ends of the ventilation cavity 8, a pair of L-shaped channels 6 are symmetrically arranged inside the housing 5 below the ventilation cavity 8, a ventilation opening 7 is formed between each L-shaped channel 6 and the ventilation cavity 8, an electronic component cavity 19 is arranged inside the ventilation cavity 8 between the two L-shaped channels 6, a door body 27 is arranged on one side of each electronic component cavity 19, and ion fans 28 are uniformly arranged on the inner sides of the door bodies 27, so that electronic components inside the electronic component cavities 19 can be removed by generating static electricity, and the electronic components can be prevented from generating static electricity to adsorb dust, and the ion;
the heat dissipation and dust removal component is arranged inside the ventilation cavity 8 and comprises a partition plate 14, a rotating shaft 15, a fan blade II 16, a fan blade I9, a gear II 12, a two-way motor 10, a gear I11, a controller 13 and an arc-shaped dust filtering net 18, wherein the two partition plates 14 are vertically arranged inside the ventilation cavity 8 between two ventilation openings I7, the rotating shaft 15 is arranged between the two partition plates 14 through a bearing, two ends of the rotating shaft 15 respectively extend to the positions of the two ventilation openings II 17 to be fixedly connected with the fan blade II 16 and the fan blade I9, the fan blade II 16 is opposite to the fan blade I9, the outer side wall of the middle position of the rotating shaft 15 is provided with the gear II 12, the two-way motor 10 is arranged at the bottom end inside the ventilation cavity 8 below the gear II 12, the output end of the two-way motor 10 is fixedly connected with the gear I11, the gear I11 is meshed with the gear, the bidirectional motor 10 is electrically connected with the controller 13, and the arc-shaped dust filter screen 18 is arranged on the outer side wall of the shell 5 outside the second ventilation opening 17;
the dehumidifying part is arranged in the L-shaped channel 6 and comprises an L-shaped drawing plate 24 and drying strips 4, the L-shaped drawing plate 24 is arranged at the bottom end in the L-shaped channel 6 in a sliding mode, inserting grooves 242 are evenly formed in the bottom end of the inner side of the L-shaped drawing plate 24, the drying strips 4 are inserted in the inserting grooves 242, a pull handle 241 is arranged on one side of the L-shaped drawing plate 24, and through holes 20 are evenly formed between the electronic element cavity 19 on one side of the L-shaped drawing plate 24 and the L-shaped channel 6;
the limiting part is arranged at the bottom of the shell 5 and comprises universal wheels 26, a U-shaped bottom plate 2, a fixing strip 23, a fixing plate 21, a positioning column 3 and a screw 22, the four universal wheels 26 are uniformly arranged at the bottom of the shell 5, the U-shaped bottom plate 2 is sleeved at the bottom of the shell 5 in a sliding manner, four through grooves 25 are uniformly arranged at the bottom of the U-shaped bottom plate 2, the through grooves 25 are matched with universal wheels 26, the bottom of the shell 5 at one side of the through grooves 25 is provided with a rubber pad 1, the tops of two ends of the U-shaped bottom plate 2 are provided with fixing strips 23, the side wall of the shell 5 above the fixing strips 23 is vertically welded with a fixing plate 21, two ends of the fixing plate 21 are both provided with positioning columns 3 in a penetrating way, the bottom end of the positioning column 3 extends and is fixedly connected with a fixing strip 23, a screw rod 22 is arranged at the middle position of the screw rod 22 in a penetrating way, and the bottom end of the screw rod 22 is connected with the fixed strip 23 through a bearing, and the top end of the screw rod 22 is provided with a rotating handle.
The working principle is as follows: when the utility model is needed to be moved, the rotating handle is only needed to rotate to drive the screw 23 to rotate, and further the shell 5 is moved downwards, so that the universal wheel 26 at the bottom of the shell 5 extends out of the through groove 25, the utility model is pushed to move through the universal wheel 26, after the utility model is moved to a designated position, the U-shaped bottom plate 2 is only needed to be rotated reversely to move downwards, the shell 5 is propped up, so that the universal wheel 26 at the bottom of the shell 5 leaves the ground, the utility model can be fixed at the designated position, the use is convenient, when in application, the output end of the two-way motor 10 rotates to drive the first gear 11 to rotate, because the first gear 11 and the second gear 12 are mutually meshed, when the first gear 11 rotates to drive the second gear 12 to rotate, and further drives the rotating shaft 15 to rotate, the rotating shaft 15 rotates to enable the second fan blades 16 at both ends of the rotating shaft 15 to rotate with the, therefore, when the second fan blade 16 and the first fan blade 9 rotate, namely, one air inlet and one air outlet, the circulation speed of the electronic component cavity is increased, the arc-shaped dust filter net 18 can filter dust in the entering air to prevent the dust from entering the electronic component cavity, meanwhile, the controller 13 controls the bidirectional motor 10 to rotate in the interval forward and reverse directions, namely, the air inlet is converted into the air outlet, the air outlet is converted into the air inlet, the dust stained on the arc-shaped dust filter net 18 can be blown off, a large amount of dust stained on the arc-shaped dust filter net 18 can be prevented, the air inlet amount is prevented from being influenced, the drying strips 4 can adsorb moisture in the air entering the electronic component cavity 19 to prevent the components in the electronic component cavity 19 from being affected with damp, and when the air inlet is converted into the air outlet, and the air outlet is converted into the air inlet, the hot air discharged from the electronic component cavity 19 can evaporate and discharge the moisture adsorbed, is convenient to use.
It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as limitations of the present invention, and that changes and modifications to the above described embodiments will fall within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.
Claims (5)
1. A dustproof high-voltage switch cabinet is characterized by comprising a shell (5), a heat dissipation and dust removal part, a dehumidification part and a limiting part, wherein a ventilation cavity (8) is formed in the top end inside the shell (5), two ventilation openings (17) are formed in the side walls of the shell at two ends of the ventilation cavity (8), a pair of L-shaped channels (6) are symmetrically arranged inside the shell (5) below the ventilation cavity (8), a first ventilation opening (7) is formed between each L-shaped channel (6) and the ventilation cavity (8), and an electronic element cavity (19) is formed inside the ventilation cavity (8) between the two L-shaped channels (6);
the heat dissipation and dust removal component is arranged inside a ventilation cavity (8), the heat dissipation and dust removal component comprises a partition plate (14), a rotating shaft (15), a second fan blade (16), a first fan blade (9), a second gear (12), a two-way motor (10), a first gear (11), a controller (13) and an arc-shaped dust filtering net (18), two partition plates (14) are vertically arranged inside the ventilation cavity (8) between the first ventilation openings (7), the rotating shaft (15) is arranged between the two partition plates (14) through a bearing, two ends of the rotating shaft (15) respectively extend to the positions of the second ventilation openings (17) and are fixedly connected with the second fan blade (16) and the first fan blade (9), the second fan blade (16) is opposite to the first fan blade (9), the second gear (12) is arranged on the outer side wall of the middle position of the rotating shaft (15), and the two-way motor (10) is arranged at the bottom inside the ventilation cavity (8) below the, the output end of the bidirectional motor (10) is fixedly connected with a first gear (11), the first gear (11) is meshed with a second gear (12), the controller (13) is arranged at the top end inside the ventilation cavity (8) above the second gear (12), the bidirectional motor (10) is electrically connected with the controller (13), and the arc-shaped dust filter screen (18) is arranged on the outer side wall of the shell (5) on the outer side of the second ventilation opening (17);
the dehumidifying component is arranged inside the L-shaped channel (6), the dehumidifying component comprises an L-shaped drawing plate (24) and a drying strip (4), the L-shaped drawing plate (24) is arranged at the bottom end inside the L-shaped channel (6) in a sliding mode, inserting grooves (242) are evenly formed in the bottom end of the inner side of the L-shaped drawing plate (24), the drying strip (4) is inserted into the inserting grooves (242), and through holes (20) are evenly formed between an electronic element cavity (19) on one side of the L-shaped drawing plate (24) and the L-shaped channel (6);
the limiting part is arranged at the bottom of the shell (5) and comprises universal wheels (26), a U-shaped bottom plate (2), fixing strips (23), a fixing plate (21), positioning columns (3) and a screw rod (22), wherein the bottom of the shell (5) is uniformly provided with four universal wheels (26), the U-shaped bottom plate (2) is sleeved at the bottom of the shell (5) in a sliding manner, the bottom of the U-shaped bottom plate (2) is uniformly provided with four through grooves (25), the through grooves (25) are matched with the universal wheels (26), the fixing strips (23) are arranged at the tops of two ends of the U-shaped bottom plate (2), the fixing plate (21) is vertically welded on the side wall of the shell (5) above the fixing strips (23), the positioning columns (3) are arranged at two ends of the fixing plate (21) in a penetrating manner, the bottom ends of the positioning columns (3) extend to be fixedly connected with the fixing strips (23), and the screw rod (22) penetrates, and the bottom end of the screw rod (22) is connected with the fixed strip (23) through a bearing.
2. The dustproof high-voltage switch cabinet according to claim 1, wherein a pull handle (241) is arranged on one side of the L-shaped drawing plate (24).
3. The dustproof high-voltage switch cabinet according to claim 1, wherein a rubber pad (1) is arranged at the bottom of the shell (5) at one side of the through groove (25).
4. The dustproof high-voltage switch cabinet according to claim 1, wherein a door body (27) is arranged on one side of the electronic component cavity (19), an ion fan (28) is uniformly arranged on the inner side of the door body (27), and the ion fan (28) is electrically connected with the controller (13).
5. Dust-tight high-voltage switchgear cabinet according to claim 1, characterized in that the screw (22) is provided with a rotating handle at its top end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921519275.0U CN210838493U (en) | 2019-09-12 | 2019-09-12 | Dustproof high-voltage switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921519275.0U CN210838493U (en) | 2019-09-12 | 2019-09-12 | Dustproof high-voltage switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210838493U true CN210838493U (en) | 2020-06-23 |
Family
ID=71265186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921519275.0U Expired - Fee Related CN210838493U (en) | 2019-09-12 | 2019-09-12 | Dustproof high-voltage switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210838493U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111755972A (en) * | 2020-07-30 | 2020-10-09 | 陕西盈德气体有限公司 | Can be according to radiating electricity distribution room cubical switchboard of in-cabinet temperature control |
| CN111800968A (en) * | 2020-07-07 | 2020-10-20 | 维沃移动通信有限公司 | Electronic equipment |
| CN113572070A (en) * | 2021-09-26 | 2021-10-29 | 江苏优思智能科技有限公司 | Intelligent electric security cabinet for building |
| CN113589902A (en) * | 2021-08-06 | 2021-11-02 | 湖南电子科技职业学院 | Waterproof computer case |
| CN114361963A (en) * | 2022-01-12 | 2022-04-15 | 无锡润联科技有限公司 | Electrical control cabinet with rain-proof dehumidification structure |
| CN115666026A (en) * | 2022-09-15 | 2023-01-31 | 南京晗创智能科技有限公司 | Deep basal pit monitoring measurement station protection device |
-
2019
- 2019-09-12 CN CN201921519275.0U patent/CN210838493U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111800968A (en) * | 2020-07-07 | 2020-10-20 | 维沃移动通信有限公司 | Electronic equipment |
| CN111755972A (en) * | 2020-07-30 | 2020-10-09 | 陕西盈德气体有限公司 | Can be according to radiating electricity distribution room cubical switchboard of in-cabinet temperature control |
| CN113589902A (en) * | 2021-08-06 | 2021-11-02 | 湖南电子科技职业学院 | Waterproof computer case |
| CN113589902B (en) * | 2021-08-06 | 2024-03-19 | 湖南电子科技职业学院 | Waterproof computer case |
| CN113572070A (en) * | 2021-09-26 | 2021-10-29 | 江苏优思智能科技有限公司 | Intelligent electric security cabinet for building |
| CN113572070B (en) * | 2021-09-26 | 2021-11-26 | 江苏优思智能科技有限公司 | Intelligent electric security cabinet for building |
| CN114361963A (en) * | 2022-01-12 | 2022-04-15 | 无锡润联科技有限公司 | Electrical control cabinet with rain-proof dehumidification structure |
| CN114361963B (en) * | 2022-01-12 | 2023-12-22 | 无锡润联科技有限公司 | Electrical control cabinet with rainproof and dehumidifying structure |
| CN115666026A (en) * | 2022-09-15 | 2023-01-31 | 南京晗创智能科技有限公司 | Deep basal pit monitoring measurement station protection device |
| CN115666026B (en) * | 2022-09-15 | 2023-09-19 | 南京晗创智能科技有限公司 | Deep foundation pit monitoring measuring point protection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200623 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |