CN113422311A - High-low voltage switch device convenient for limiting opening and closing valve - Google Patents
High-low voltage switch device convenient for limiting opening and closing valve Download PDFInfo
- Publication number
- CN113422311A CN113422311A CN202110967631.0A CN202110967631A CN113422311A CN 113422311 A CN113422311 A CN 113422311A CN 202110967631 A CN202110967631 A CN 202110967631A CN 113422311 A CN113422311 A CN 113422311A
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- Prior art keywords
- limiting
- cabinet body
- limiting rod
- gear
- gag lever
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- 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.)
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
Abstract
The invention discloses high-low voltage switch equipment convenient for limiting a switching valve, which comprises a switch equipment cabinet body, a connecting gear and a movable door, wherein a containing groove is formed in the switch equipment cabinet body, the connecting gear is arranged in the containing groove, one end of the connecting gear is connected with a first limiting rod, the other end of the connecting gear is connected with a second limiting rod, and a reset spring is arranged on the surface of one end, far away from the connecting gear, of the first limiting rod. This high-low pressure switchgear convenient to divide-shut valve is spacing, elasticity through reset spring for first gag lever post slides that resets, and will drive the second gag lever post synchronous slip through connecting gear when first gag lever post slides that resets, thereby made things convenient for first spacing and second gag lever post can effectually carry out spacing work to the divide-shut valve, it takes place the slope phenomenon when having avoided follow-up carrying out the screw-thread tightening to the divide-shut valve, thereby improved the stability of divide-shut valve installation.
Description
Technical Field
The invention relates to the technical field of high-low voltage switch equipment, in particular to high-low voltage switch equipment convenient for limiting a switching valve.
Background
The high-low voltage switch equipment comprises a high-low voltage switch cabinet, which is equipment connected with a high-voltage or low-voltage cable as the name implies, and is mainly used for switching on and off, controlling or protecting in power generation, power transmission, power distribution, electric energy conversion and consumption of a power system, but the existing high-low voltage switch equipment generally has the following problems when in use;
1. the existing high-low voltage switch cabinet is not beneficial to limiting the opening and closing valve, so that the opening and closing valve is easy to incline when being installed, the phenomenon that the opening and closing valve is easy to shake and drop after being fastened by threads is caused, the switch valve after being dropped can cause the damage of non-wear-out to electric equipment, and the overall safety is reduced;
2. the existing high-low voltage switch cabinet can not effectively prevent dust on the premise of ensuring heat dissipation, so that the switch cabinet is easy to damage due to overhigh temperature or internal dust entering, and the service life of the whole switch cabinet is shortened.
We have therefore proposed a high and low voltage switchgear which facilitates the limiting of the switching valves in order to solve the problems set out above.
Disclosure of Invention
The invention aims to provide high-low voltage switch equipment convenient for limiting a switching valve, and aims to solve the problems that the existing high-low voltage switch cabinet provided by the background technology is not beneficial to limiting the switching valve, so that the switching valve is easy to incline during installation, the phenomenon that the switching valve is easy to shake and drop after being fastened by threads subsequently is caused, the falling switch valve can cause the damage of the electrical equipment which cannot be worn out, the integral safety is reduced, the existing high-low voltage switch cabinet cannot effectively prevent dust on the premise of ensuring heat dissipation, the switch cabinet is easy to damage due to overhigh temperature or dust entering the interior, and the service life of the whole switch cabinet is shortened.
In order to achieve the purpose, the invention provides the following technical scheme: a high-low voltage switch device convenient for limiting a separating valve comprises a switch device cabinet body, a connecting gear and a movable door, wherein a containing groove is formed in the switch device cabinet body, the containing groove is internally provided with the connecting gear, one end of the connecting gear is connected with a first limiting rod, the other end of the connecting gear is connected with a second limiting rod, the surface of one end, away from the connecting gear, of the first limiting rod is provided with a reset spring, the first limiting rod is mutually connected with the inner wall of the switch device cabinet body through the reset spring, the inner wall of one end, close to the containing groove, of the switch device cabinet body is provided with a threaded groove, two sides of the switch device cabinet body are provided with side plates, a connecting shaft is arranged in the upper end of the switch device cabinet body, the surface of the connecting shaft is sleeved with a driving gear, the lower end surface of the connecting shaft is provided with the movable door, and one end of the driving gear is meshed with a driven gear, and driven gear's bottom surface is provided with the connecting screw rod, the lower terminal surface cover of connecting screw rod is equipped with the movable block, and the movable block stretches into the one end of limiting groove inside and is provided with the stopper to the limiting groove is seted up inside the both sides of the switchgear cabinet body, the one end that the stopper was kept away from to the movable block is provided with the rack, and the surface meshing of rack has a rotating gear, the center of rotating gear is provided with the back shaft, and the back shaft stretches out the one end of switchgear cabinet body outside and is provided with adjustable fender, adjustable fender's inboard is provided with the clearance brush head, and the clearance brush head keeps away from adjustable fender's one end and the surface interconnect of curb plate, adjustable fender's top is provided with fixed stop, and fixed stop is fixed in the upper end both sides of the switchgear cabinet body.
Preferably, the first limiting rod and the second limiting rod are symmetrically distributed about a longitudinal central line of the connecting gear, a toothed block is arranged on the inner side of one end, close to each other, of the first limiting rod and the second limiting rod, and the first limiting rod and the second limiting rod are meshed with the connecting gear through the toothed block.
Preferably, the first limiting rod and the second limiting rod are perpendicular to each other at the end far away from the gear block, the vertical ends of the first limiting rod and the second limiting rod are spaced from each other, and the thread grooves are distributed at equal intervals in the distance between the first limiting rod and the second limiting rod.
Preferably, the first limiting rod and the switch equipment cabinet body form a sliding structure, and the first limiting rod and the switch equipment cabinet body form a telescopic structure through a reset spring.
Preferably, the side plates are of a mesh structure and are symmetrically distributed on two sides of the switchgear cabinet body.
Preferably, be threaded connection between connecting screw rod and the movable block, and the movable block passes through the stopper and constitutes sliding structure with the spacing groove to the width of stopper is greater than the width of movable block.
Preferably, the support shafts form a linkage structure through a rotating gear and a rack, and the support shafts are distributed on two sides of the switchgear cabinet at equal intervals.
Preferably, the movable baffle and the fixed baffle are arranged obliquely, and the movable baffle is abutted to the surface of the side plate through the cleaning brush head.
Compared with the prior art, the invention has the beneficial effects that: the high-low voltage switch device convenient for limiting the opening and closing valve;
1. through the elasticity of the reset spring, the first limiting rod is enabled to reset and slide, and when the first limiting rod resets and slides, the second limiting rod is driven to synchronously slide through the connecting gear, so that the first limiting rod and the second limiting rod can effectively limit the opening and closing valve, the phenomenon that the opening and closing valve is inclined when the opening and closing valve is subsequently fastened by threads is avoided, the stability of the opening and closing valve installation is improved, and meanwhile, when the fastening bolt falls off after being used for a long time, the phenomenon that the opening and closing valve directly falls off to cause damage to externally connected electrical equipment can be avoided through effective limiting;
2. through the setting of mesh form curb plate, can carry out dustproof work to a certain extent under guaranteeing effectual ventilation, simultaneously through the adjustable fender of slope form and fixed stop's setting, can be further protect external dust to avoid the damage phenomenon that the internal portion high temperature of switchgear cabinet or entering dust lead to, improved holistic life.
Drawings
FIG. 1 is a schematic view of the overall front cross-sectional structure of the present invention;
FIG. 2 is a schematic side view of a connection structure of the first limiting rod and the return spring according to the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;
FIG. 4 is a schematic view of the overall top cross-sectional structure of the present invention;
FIG. 5 is an enlarged view of the structure at B in FIG. 4 according to the present invention;
FIG. 6 is a schematic view of the front view connection structure of the driven gear and the connecting screw rod of the present invention.
In the figure: 1. a switchgear cabinet; 2. accommodating grooves; 3. a connecting gear; 4. a first limit rod; 5. a second limiting rod; 6. a return spring; 7. a thread groove; 8. a side plate; 9. a connecting shaft; 10. a driving gear; 11. a movable door; 12. a driven gear; 13. connecting a screw rod; 14. a movable block; 15. a limiting groove; 16. a limiting block; 17. a rack; 18. a rotating gear; 19. a support shaft; 20. a movable baffle; 21. cleaning the brush head; 22. and fixing the baffle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: a high-low voltage switch device convenient for limiting a separating valve and a combining valve comprises a switch device cabinet body 1, a containing groove 2, a connecting gear 3, a first limiting rod 4, a second limiting rod 5, a reset spring 6, a thread groove 7, a side plate 8, a connecting shaft 9, a driving gear 10, a movable door 11, a driven gear 12, a connecting screw rod 13, a movable block 14, a limiting groove 15, a limiting block 16, a rack 17, a rotating gear 18, a supporting shaft 19, a movable baffle plate 20, a cleaning brush head 21 and a fixed baffle plate 22, wherein the containing groove 2 is formed in the switch device cabinet body 1, the connecting gear 3 is arranged in the containing groove 2, one end of the connecting gear 3 is connected with the first limiting rod 4, the other end of the connecting gear 3 is connected with the second limiting rod 5, the reset spring 6 is arranged on the surface of one end, far away from the connecting gear 3, of the first limiting rod 4, and the inner wall of the switch device cabinet body 1 are connected with each other through the reset spring 6, the inner wall of one end of the switchgear cabinet body 1 close to the accommodating groove 2 is provided with a thread groove 7, two sides of the switchgear cabinet body 1 are provided with side plates 8, the upper end of the switchgear cabinet body 1 is internally provided with a connecting shaft 9, the surface of the connecting shaft 9 is sleeved with a driving gear 10, the lower end surface of the connecting shaft 9 is provided with a movable door 11, one end of the driving gear 10 is meshed with a driven gear 12, the bottom surface of the driven gear 12 is provided with a connecting screw rod 13, the lower end surface of the connecting screw rod 13 is sleeved with a movable block 14, one end of the movable block 14 extending into the limiting groove 15 is provided with a limiting block 16, the limiting groove 15 is arranged inside two sides of the switchgear cabinet body 1, one end of the movable block 14 far away from the limiting block 16 is provided with a rack 17, the surface of the rack 17 is meshed with a rotating gear 18, the center of the rotating gear 18 is provided with a supporting shaft 19, and one end of the supporting shaft 19 extending out of the switchgear cabinet body 1 is provided with a movable baffle 20, the inboard of adjustable fender 20 is provided with clearance brush head 21, and the surperficial interconnect of the one end that adjustable fender 20 was kept away from to clearance brush head 21 and curb plate 8, and adjustable fender 20's top is provided with fixed stop 22, and fixed stop 22 is fixed in the upper end both sides of switchgear cabinet body 1.
First gag lever post 4 and second gag lever post 5 are about connecting gear 3's vertical central line symmetric distribution, and the one end inboard that is close to each other between first gag lever post 4 and the second gag lever post 5 is provided with the tooth piece to first gag lever post 4 and second gag lever post 5 pass through tooth piece and connecting gear 3 intermeshing, have made things convenient for first gag lever post 4 and second gag lever post 5 to drive the other side synchronous sliding through connecting gear 3 when sliding.
First gag lever post 4 and second gag lever post 5 keep away from the one end that is provided with the tooth piece and are perpendicular form, and set up the distance between the perpendicular end of first gag lever post 4 and second gag lever post 5 to thread groove 7 has made things convenient for and has carried out spacing work to not equidimension divide-shut valve in the equidistant distribution of distance that sets up between first gag lever post 4 and second gag lever post 5.
First gag lever post 4 constitutes sliding construction with the switchgear cabinet body 1, and first gag lever post 4 passes through reset spring 6 and constitutes extending structure with the switchgear cabinet body 1, is favorable to the elasticity through reset spring 6 for first gag lever post 4 slides that resets.
Connect for threaded connection between lead screw 13 and the movable block 14, and the movable block 14 passes through stopper 16 and constitutes sliding structure with spacing groove 15 to stopper 16's width is greater than the width of movable block 14, and under stopper 16 was to the spacing of movable block 14, it is unable rotatory to make the movable block 14 of movable block 14 that drives threaded connection when making connecting lead screw 13 rotatory.
The supporting shaft 19 and the rack 17 form a linkage structure through the rotating gear 18, and the supporting shaft 19 is distributed on two sides of the switchgear cabinet 1 at equal intervals, so that the rack 17 can drive the rotating gear 18 to rotate when sliding, and the rotating gear 18 can drive the supporting shaft 19 to rotate.
The working principle of the embodiment is as follows: according to the drawings 1-4, firstly, a worker places a switchgear cabinet body 1 at a proper position, when a switching valve needs to be installed, firstly pokes a first limiting rod 4 or a second limiting rod 5, so that the first limiting rod 4 or the second limiting rod 5 drives a connecting gear 3 to rotate through a gear block arranged on the inner side, so that the first limiting rod 4 or the second limiting rod 5 drives the other side to synchronously slide, and the first limiting rod 4 extrudes a reset spring 6 to shrink and deform when sliding, then places the switching valve between the first limiting rod 4 and the second limiting rod 5, releases the poking of the first limiting rod 4 or the second limiting rod 5, and then, through the elasticity of the reset spring 6, the upper end and the lower end of the switching valve are limited after the first limiting rod 4 and the second limiting rod 5 synchronously slide, so that the phenomenon that the switching valve is easy to shake and fall off due to inclination during installation is avoided, finally, the worker can fasten the opening and closing valve into the thread grooves 7 which are arranged at equal intervals through bolts to complete the installation work of the opening and closing valve, and at the moment, the dust-proof work can be carried out to a certain extent under the condition of ensuring effective heat dissipation through the arrangement of the mesh-shaped side plates 8;
according to the fig. 1 and fig. 4-fig. 6, when the movable door 11 is opened, the driven gear 12 is driven to rotate by the connecting shaft 9, so that the driven gear 12 drives the connecting screw rod 13 to rotate, at this time, the movable block 14 is limited by the limiting block 16, so that the movable block 14 cannot rotate, the connecting screw rod 13 drives the movable block 14 in threaded connection to slide through the limiting groove 15 when rotating, the movable block 14 drives the rack 17 to slide when sliding, so that the rack 17 drives the rotary gear 18 in meshed connection to rotate, so that the rotary gear 18 drives the movable baffle 20 to rotate through the supporting shaft 19, and further the movable baffle 20 drives the cleaning brush head 21 to clean the meshes on the surface of the side plate 8, thereby preventing the meshes from being blocked to influence normal heat dissipation work, when the movable door 11 is closed, the movable baffle 20 is reset according to the above operation, the movable baffle 20 is obliquely arranged, so that the further dustproof work through the movable baffle 20 and the fixed baffle 22 is facilitated, the damage phenomenon caused by overhigh temperature or dust entering inside the switchgear cabinet body 1 is avoided, and the service life of the whole switchgear cabinet body is prolonged.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (8)
1. The utility model provides a high-low pressure switchgear convenient to divide-shut valve is spacing, includes switchgear cabinet body (1), connecting gear (3) and dodge gate (11), its characterized in that: the switch equipment cabinet comprises a switch equipment cabinet body (1), wherein a containing groove (2) is formed in the switch equipment cabinet body (1), a connecting gear (3) is arranged in the containing groove (2), one end of the connecting gear (3) is connected with a first limiting rod (4), the other end of the connecting gear (3) is connected with a second limiting rod (5), a reset spring (6) is arranged on the surface of one end, far away from the connecting gear (3), of the first limiting rod (4), the first limiting rod (4) is connected with the inner wall of the switch equipment cabinet body (1) through the reset spring (6), a thread groove (7) is formed in the inner wall of one end, close to the containing groove (2), of the switch equipment cabinet body (1), side plates (8) are arranged on two sides of the switch equipment cabinet body (1), a connecting shaft (9) is arranged in the upper end of the switch equipment cabinet body (1), and a driving gear (10) is sleeved on the surface of the connecting shaft (9), and the lower end surface of the connecting shaft (9) is provided with a movable door (11), one end of the driving gear (10) is meshed with a driven gear (12), the bottom surface of the driven gear (12) is provided with a connecting screw rod (13), the lower end surface of the connecting screw rod (13) is sleeved with a movable block (14), one end of the movable block (14) extending into the limiting groove (15) is provided with a limiting block (16), the limiting groove (15) is arranged inside two sides of the switchgear cabinet body (1), one end of the movable block (14) far away from the limiting block (16) is provided with a rack (17), the surface of the rack (17) is meshed with a rotating gear (18), the center of the rotating gear (18) is provided with a supporting shaft (19), one end of the supporting shaft (19) extending out of the switchgear cabinet body (1) is provided with a movable baffle (20), and the inner side of the movable baffle (20) is provided with a cleaning brush head (21), and the one end of clearance brush head (21) keeping away from adjustable fender (20) and the surperficial interconnect of curb plate (8), adjustable fender's (20) top is provided with fixed stop (22), and fixed stop (22) are fixed in the upper end both sides of switchgear cabinet body (1).
2. High-low pressure switchgear facilitating switching on and off valve limiting according to claim 1, characterized in that: first gag lever post (4) and second gag lever post (5) are around connecting gear (3) longitudinal centerline symmetric distribution, and the one end inboard that is close to each other between first gag lever post (4) and second gag lever post (5) is provided with the tooth piece to first gag lever post (4) and second gag lever post (5) pass through the tooth piece and connect gear (3) intermeshing.
3. High-low pressure switchgear facilitating switching on and off valve limiting according to claim 2, characterized in that: the first limiting rod (4) and the second limiting rod (5) are far away from one end provided with the toothed block and are vertical, the distance is arranged between the vertical ends of the first limiting rod (4) and the second limiting rod (5), and the thread grooves (7) are distributed at equal intervals in the distance arranged between the first limiting rod (4) and the second limiting rod (5).
4. High-low pressure switchgear facilitating switching on and off valve limiting according to claim 3, characterized in that: the first limiting rod (4) and the switchgear cabinet body (1) form a sliding structure, and the first limiting rod (4) and the switchgear cabinet body (1) form a telescopic structure through a reset spring (6).
5. High-low pressure switchgear facilitating switching on and off valve limiting according to claim 1, characterized in that: the side plates (8) are of mesh structures, and the side plates (8) are symmetrically distributed on two sides of the switchgear cabinet body (1).
6. High-low pressure switchgear facilitating switching on and off valve limiting according to claim 1, characterized in that: the connecting screw rod (13) is in threaded connection with the movable block (14), the movable block (14) forms a sliding structure with the limiting groove (15) through the limiting block (16), and the width of the limiting block (16) is larger than that of the movable block (14).
7. High-low pressure switchgear facilitating switching on and off valve limiting according to claim 1, characterized in that: the supporting shafts (19) and the racks (17) form a linkage structure through the rotating gears (18), and the supporting shafts (19) are distributed on two sides of the switchgear cabinet body (1) at equal intervals.
8. High-low pressure switchgear facilitating switching on and off valve limiting according to claim 1, characterized in that: the movable baffle (20) and the fixed baffle (22) are obliquely arranged, and the movable baffle (20) is mutually abutted to the surface of the side plate (8) through the cleaning brush head (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110967631.0A CN113422311A (en) | 2021-08-23 | 2021-08-23 | High-low voltage switch device convenient for limiting opening and closing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110967631.0A CN113422311A (en) | 2021-08-23 | 2021-08-23 | High-low voltage switch device convenient for limiting opening and closing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113422311A true CN113422311A (en) | 2021-09-21 |
Family
ID=77719314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110967631.0A Pending CN113422311A (en) | 2021-08-23 | 2021-08-23 | High-low voltage switch device convenient for limiting opening and closing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113422311A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001132330A (en) * | 1999-11-05 | 2001-05-15 | Kenwood Corp | Door driving mechanism |
| CN107733045A (en) * | 2017-11-20 | 2018-02-23 | 苏州聚锐机电科技有限公司 | A kind of antitheft mobile phone charging cabinet |
| CN210490215U (en) * | 2019-10-28 | 2020-05-08 | 三明亿源电力工程建设有限公司沙县电气设备分公司 | Ventilation air duct structure of power distribution cabinet |
| CN112332241A (en) * | 2020-10-29 | 2021-02-05 | 刘艳 | Adjustable partition low-voltage electric control cabinet for automatic control |
| CN112533417A (en) * | 2020-12-01 | 2021-03-19 | 金善军 | Temperature and humidity controller protection device for greenhouse |
| CN212970617U (en) * | 2020-10-16 | 2021-04-13 | 山东城韵电气设备有限公司 | Locking device for electric element |
| CN213212703U (en) * | 2020-06-23 | 2021-05-14 | 深圳市广安电力设备有限公司 | Low-voltage cabinet with alarming function |
| CN213989598U (en) * | 2020-12-11 | 2021-08-17 | 山东顺升电气科技有限公司 | High-integration low-voltage draw-out type switch cabinet |
-
2021
- 2021-08-23 CN CN202110967631.0A patent/CN113422311A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001132330A (en) * | 1999-11-05 | 2001-05-15 | Kenwood Corp | Door driving mechanism |
| CN107733045A (en) * | 2017-11-20 | 2018-02-23 | 苏州聚锐机电科技有限公司 | A kind of antitheft mobile phone charging cabinet |
| CN210490215U (en) * | 2019-10-28 | 2020-05-08 | 三明亿源电力工程建设有限公司沙县电气设备分公司 | Ventilation air duct structure of power distribution cabinet |
| CN213212703U (en) * | 2020-06-23 | 2021-05-14 | 深圳市广安电力设备有限公司 | Low-voltage cabinet with alarming function |
| CN212970617U (en) * | 2020-10-16 | 2021-04-13 | 山东城韵电气设备有限公司 | Locking device for electric element |
| CN112332241A (en) * | 2020-10-29 | 2021-02-05 | 刘艳 | Adjustable partition low-voltage electric control cabinet for automatic control |
| CN112533417A (en) * | 2020-12-01 | 2021-03-19 | 金善军 | Temperature and humidity controller protection device for greenhouse |
| CN213989598U (en) * | 2020-12-11 | 2021-08-17 | 山东顺升电气科技有限公司 | High-integration low-voltage draw-out type switch cabinet |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210921 |
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| RJ01 | Rejection of invention patent application after publication |