CN109244879B - Power box convenient to cut off power supply fast - Google Patents
Power box convenient to cut off power supply fast Download PDFInfo
- Publication number
- CN109244879B CN109244879B CN201811163124.6A CN201811163124A CN109244879B CN 109244879 B CN109244879 B CN 109244879B CN 201811163124 A CN201811163124 A CN 201811163124A CN 109244879 B CN109244879 B CN 109244879B
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- power
- transmission
- push rod
- linkage
- host
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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
- H02B1/46—Boxes; Parts thereof or accessories therefor
- H02B1/48—Mounting of devices therein
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/1009—Interconnected mechanisms
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
Abstract
The invention discloses a power box convenient for rapid power failure, which structurally comprises a rain-proof ceiling, a box door, a power host, a door handle and a heat dissipation groove, wherein the box door is of a rectangular structure and is arranged at the front end of the surface of the power host in a buckling mode, and the door handle is arranged at the left end of the box door in an embedding mode and is buckled with the inside of the power host. The inside when needs emergency power-off of circuit breaker main part that this practicality was equipped with, can stir the location pressure handle backward, make ejection mechanism outwards release, then through drive mechanism with the link gear jack-up, and then carry out outage control to total circuit breaker, ensure that the inside quick power failure of power box just can carry out outage operation opening the chamber door in-process, avoid causing electrified damage to the staff, prevent serious injury from appearing.
Description
Technical Field
The invention relates to the field of power boxes, in particular to a power box convenient for quick power failure.
Background
The power equipment mainly comprises power generation equipment and power supply equipment, wherein the power generation equipment mainly comprises a power station boiler, a steam turbine, a gas turbine, a water turbine, a generator, a transformer and the like, the power supply equipment mainly comprises power transmission lines, transformers, contactors and the like with various voltage grades, in order to protect the safety of the power equipment, people usually install a power-off delay protection device inside a power box, but in a special period, when the power-off needs to be quickly carried out, the time can be influenced, and the life and property safety of people is threatened. The prior art can't cut off the power supply with the help of the chamber door when the electric power chamber door is opened, needs the staff to manually get into the inside of the electric power chamber and controls the power supply, and when great electric leakage accident happens, such a method is extremely easy to conduct electricity on the staff, and then causes serious injury.
Disclosure of Invention
Aiming at the defects of the prior art, the invention is realized by the following technical scheme: the electric box convenient for quick power-off structurally comprises a rain-proof ceiling, a box door, an electric host, a door handle and a heat dissipation groove, wherein the box door is of a rectangular structure and is arranged at the front end of the surface of the electric host in a buckling mode, the door handle is arranged at the left end of the box door in an embedding mode and is buckled with the inside of the electric host, a groove for movably arranging the heat dissipation groove is formed in the lower end of the left side of the electric host, the rain-proof ceiling is arranged at the top of the electric host in a sleeving mode, the electric host comprises an interrupter main body, a limiting device, an ejection mechanism, a transmission mechanism, a total circuit breaking device and a linkage mechanism, the interrupter main body is arranged at the upper left end inside the electric host, the limiting device is arranged at the top of the electric host, the limiting device is connected to the top of the rain-proof ceiling in a penetrating mode, the linkage mechanism is located at the lower end of the breaker main body, a transmission mechanism is arranged in the middle of the breaker main body, the ejection mechanism is arranged at the upper end of the breaker main body, the left end of the ejection mechanism penetrates through the power main body to be attached to the inner side of the box door, and the linkage mechanism is connected with the ejection mechanism through the transmission mechanism.
As a further optimization of the technical scheme, the electric power host further comprises a ceiling main body, a host shell and a circuit device shell, wherein the ceiling main body is installed at the top of the host shell in a sleeving manner, and the circuit device shell is arranged at the upper end of the left side of the host shell.
As a further optimization of the technical scheme, the limiting device comprises a positioning pressing handle, a limiting push rod, a movable magnet and a positioning magnet, the positioning magnet is arranged at one half of the left end of the top of the host shell, the lower end of the limiting push rod penetrates through the ceiling main body and the host shell and is connected with the ejection mechanism, the movable magnet is installed at the lower end of the limiting push rod in a sleeving mode, the top of the movable magnet is magnetically attracted with the positioning magnet, the positioning pressing handle is located at the top of the ceiling main body, and the left end of the movable magnet is connected with the top of the limiting push rod.
As a further optimization of this technical scheme, ejection mechanism includes reset spring, outage push rod, push rod slot, travelling slide rail, fixed rope fastening, cylinder, transmission push rod, circuit ware shell right side upper end is located to the cylinder parallel, and the left end registrates with the transmission push rod mutually, transmission push rod left side lower extreme is equipped with fixed rope fastening to be connected with drive mechanism, the push rod slot is located circuit ware shell left side upper end, and inside is equipped with the outage push rod, outage push rod left end is connected with the chamber door, push rod slot right-hand member is connected with the transmission push rod through reset spring, transmission push rod is inside to be connected with the outage push rod through the travelling slide rail.
As a further optimization of the technical scheme, the transmission mechanism comprises a transmission rope, a first linkage wheel, a fixed cross bar, a transmission pulley, a transmission rack, a second linkage wheel, a second spring, a straight gear and a transmission cam, wherein the straight gear is arranged at the lower end of the middle part of the shell of the circuit device, the top of the transmission cam is meshed with the transmission rack, the transmission cam is arranged in the middle of the straight gear, the top of the transmission cam is attached to the linkage mechanism, the fixed cross rod is arranged at the upper end of the left side of the total circuit breaker, the lower end of the transmission gear is buckled with a transmission rack through a transmission pulley, the left end of the transmission rack is connected with the left side of the shell of the circuit device through a second spring, the first linkage wheel is arranged at the top of the fixed cross bar, the second linkage wheel is arranged in the middle of the left side of the shell of the circuit device, the head end of the transmission rope is buckled with the fixed rope buckle, and the tail end of the transmission rope is connected with the left end of the transmission rack by bypassing the first linkage wheel and the second linkage wheel.
As the further optimization of this technical scheme, total circuit breaker includes circuit breaker switch, circuit breaker main part, locating plate, circuit breaker shell right side lower extreme is located to the locating plate, and the surface is equipped with the circuit breaker main part, circuit breaker main part middle part is equipped with circuit breaker switch, circuit breaker switch and linkage mechanism looks lock.
As a further optimization of the technical scheme, the linkage mechanism comprises a switch clamping handle, a third spring, two lifting rods and a linkage rod, wherein the two ends of the bottom of the linkage rod are arranged at the bottom of the shell of the circuit device through the lifting rods, the third spring is provided with two lifting rods which are respectively sleeved and connected with the two lifting rods and connected with the bottom of the linkage rod, and the right end of the linkage rod is buckled with the circuit breaker through the switch clamping handle.
Advantageous effects
When the inside of an electric host fails, a positioning pressing handle is shifted to the right end, then the positioning magnet and the moving magnet are attracted magnetically, a limiting push rod is arranged to move upwards under the driving of the moving magnet, so that when a box door is opened, the power-off push rod loses pressure, an air cylinder is arranged to push the power-off push rod out of the box door through a transmission push rod, the upper end of a transmission rope is driven through a fixed rope buckle in the moving process of the transmission push rod, a first linkage wheel and a second linkage wheel are used for guiding linkage, the lower end of the transmission rope can drag a transmission rack to be meshed with a straight gear, a transmission cam is further rotated, a convex surface moves upwards and jacks up the right end, a linkage rod is arranged to upwards buckle a breaker switch through a switch clamping handle, power-off control is further realized, and a third spring is arranged to be matched with each other through a lifting rod, the linkage rod can be driven to reset.
Based on the prior art, when emergency power failure is needed in the breaker main body, the positioning pressing handle can be shifted backwards to push the ejection mechanism outwards, then the linkage mechanism is ejected through the transmission mechanism, and power failure control is performed on the main breaker device, so that rapid power failure in the power box is ensured, power failure operation can be performed in the process of opening the box door, electrified damage to workers is avoided, and serious injury is prevented.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural diagram of a power box facilitating quick power-off according to the present invention.
Fig. 2 is a schematic diagram of an internal structure of the power main unit according to the present invention.
Fig. 3 is a schematic diagram of a second embodiment of the power main unit according to the present invention.
Fig. 4 is an enlarged schematic view of a in fig. 3.
In the figure: a rain-proof ceiling-1, a box door-2, an electric main machine-3, a door handle-4, a heat dissipation groove-5, an electrical breaker main body-301, a limiting device-302, an ejection mechanism-303, a transmission mechanism-304, a total circuit breaker-305, a linkage mechanism-306, a ceiling main body-3011, a main machine shell-3012, a circuit device shell-3013, a positioning press handle-3021, a limiting push rod-3022, a moving magnet-2023, a positioning magnet-3024, a reset spring-3031, a power-off push rod-3032, a push rod slot-3033, a moving slide rail-3034, a fixed rope buckle-3035, a cylinder-3036, a transmission push rod-3037, a transmission rope-3041, a first linkage wheel-3042, a fixed cross rod-3043, a transmission pulley-3044, a first-second-end, A transmission rack-3045, a second linkage wheel-3046, a second spring-3047, a straight gear-3048, a transmission cam-3049, a breaker switch-3051, a breaker main body-3052, a positioning plate-3053, a switch clamp handle-3061, a third spring-3062, a lifting rod-3063 and a linkage rod-3064.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the following description and the accompanying drawings further illustrate the preferred embodiments of the invention.
Examples
Referring to fig. 1-4, the present invention provides an electric power box convenient for fast power off, which comprises a rain-proof ceiling 1, a box door 2, an electric power main unit 3, a door handle 4 and a heat sink 5, wherein the box door 2 is rectangular and is installed at the front end of the surface of the electric power main unit 3 in a buckling manner, the door handle 4 is installed at the left end of the box door 2 in an embedding manner and is buckled with the inner part of the electric power main unit 3, the lower end of the left side of the electric power main unit 3 is provided with a groove for movably installing the heat sink 5, the rain-proof ceiling 1 is installed at the top of the electric power main unit 3 in a sleeving manner, the electric power main unit 3 comprises a power breaker main body 301, a limiting device 302, an ejecting mechanism 303, a transmission mechanism 304, a total circuit breaker 305 and a linkage mechanism 306, the power breaker main body 301 is installed at the upper left end inside the electric power main unit 3, the general circuit breaker 305 is arranged at the lower end of the right side of the breaker main body 301 and buckled with the right end of the linkage mechanism 306, the linkage mechanism 306 is arranged at the lower end of the breaker main body 301, the transmission mechanism 304 is arranged in the middle of the breaker main body 301, the ejection mechanism 303 is arranged at the upper end of the breaker main body 301, the left end of the ejection mechanism penetrates through the electric power main body 3 and is attached to the inner side of the box door 2, the linkage mechanism 306 is connected with the ejection mechanism 303 through the transmission mechanism 304, the electric power main body (3) further comprises a ceiling main body 3011, a main body casing 3012 and a circuit device casing 3013, the ceiling main body 3011 is arranged at the top of the main body casing 3012 in a sleeving manner, the circuit device casing 3013 is arranged at the upper end of the left side of the main body casing 3012, the limiting device 302 comprises a positioning press handle 3021, a limiting push rod 3022, a moving magnet 2023 and a positioning, the lower end of the limit push rod 3022 penetrates through the ceiling main body 3011 and the main body housing 3012 to be connected with the ejection mechanism 303, the movable magnet 2023 is installed at the lower end of the limit push rod 3022 in a sleeving manner, the top of the movable magnet is magnetically attracted to the positioning magnet 3024, the positioning press handle 3021 is located at the top of the ceiling main body 3011, the left end of the positioning press handle is connected with the top of the limit push rod 3022, the ejection mechanism 303 includes a reset spring 3031, a power-off push rod 3032, a push rod slot 3033, a movable slide rail 3034, a fixed cord fastener 3035, an air cylinder 3036 and a transmission push rod 3037, the air cylinder 3036 is arranged at the upper end of the right side of the circuit device housing 3013 in parallel, the left end of the air cylinder 3037 is sleeved with the transmission push rod 3037, the left lower end of the transmission push rod 3035 is arranged at the lower end of the left side of the circuit device housing 3013 and is connected with the, the right end of the push rod slot 3033 is connected with a transmission push rod 3037 through a return spring 3031, the interior of the transmission push rod 3037 is connected with a power-off push rod 3032 through a movable slide rail 3034, the transmission mechanism 304 comprises a transmission rope 3041, a first linkage wheel 3042, a fixed cross bar 3043, a transmission pulley 3044, a transmission rack 3045, a second linkage wheel 3046, a second spring 3047, a straight gear 3048 and a transmission cam 3049, the straight gear 3048 is arranged at the lower end of the middle part of the circuit breaker shell 3013, the top of the straight gear 3048 is engaged with the transmission rack 3045, the transmission cam 3049 is arranged at the middle part of the straight gear 3048, the top of the transmission cam is attached to the linkage mechanism 306, the fixed cross bar 3043 is arranged at the upper end of the left side of the total circuit breaker 305, the lower end of the fixed cross bar 3044 is engaged with the transmission rack 3045, the left end of the transmission rack 3045 is connected with the left side of the circuit breaker shell 301, the second linkage wheel 3046 is arranged in the middle of the left side of the circuit device housing 3013, the head end of the transmission rope 3041 is buckled with the fixed rope buckle 3035, the tail end of the transmission rope is connected with the left end of the transmission rack 3045 by bypassing the first linkage wheel 3042 and the second linkage wheel 3046, the total circuit breaking device 305 comprises a circuit breaker switch 3051, a circuit breaker main body 3052 and a positioning plate 3053, the positioning plate 3053 is arranged at the right lower end of the circuit device housing 3013, the surface of the positioning plate 3052 is provided with the circuit breaker main body 3052, the middle of the circuit breaker main body 3052 is provided with the circuit breaker switch 3051, the circuit breaker switch 3051 is buckled with the linkage mechanism 306, the linkage mechanism 306 comprises a switch clamp handle 3061, a third spring 3062, a lifting rod 3063 and a linkage rod 3064, two ends of the bottom of the linkage rod 3064 are arranged at the bottom of the circuit device housing 3013 through the lifting rod 3063, the third spring 3062 is provided with two springs 3063, the right end of the link bar 3064 is buckled with a breaker switch 3051 through a switch clamp handle 3061.
When a fault occurs in the electric main machine 3, the positioning pressing handle 3021 is shifted to the right end, then the positioning magnet 3024 and the moving magnet 2023 are attracted magnetically, the limit push rod 3022 is arranged to move upwards under the driving of the moving magnet 2023, so that when the box door 2 is opened, the power-off push rod 3032 loses pressure, the arranged cylinder 3036 can push the power-off push rod 3032 out of the outside through the transmission push rod 3037, the upper end of the transmission rope 3041 is driven by the fixed rope button 3035 in the moving process of the transmission push rod 3037, the first linkage wheel 3042 and the second linkage wheel 3046 are used for guiding linkage, the lower end of the arranged transmission rope 3041 can drag the transmission rack 3045 to be meshed with the straight gear 3048, the transmission cam 3049 is further rotated, the convex surface moves upwards, the linkage rod 3064 is jacked up, the right end of the arranged linkage rod 3064 can upwards buckle the circuit breaker switch 3051 through the switch clamp 3061, and further realize power-off control, the third spring 3062 is arranged to drive the linkage bar 3064 to reset through the mutual matching of the lifting bar 3063.
The return spring 3031 according to the present invention is a mechanical component that operates by elasticity. The part made of elastic material deforms under the action of external force and restores to the original shape after the external force is removed. Also used as a "spring".
The invention solves the problems that the prior art can not be powered off by virtue of a box door when the electric box door is opened, and needs a worker to manually enter the electric box for power-off control, and when a large electric leakage accident occurs, the method is extremely easy to conduct electricity on the body of the worker, so that serious injury is caused.
While there have been shown and described what are at present considered the fundamental principles of the invention, the essential features and advantages thereof, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but rather, is capable of numerous changes and modifications in various forms without departing from the spirit or essential characteristics thereof, and it is intended that the invention be limited not by the foregoing descriptions, but rather by the appended claims and their equivalents.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. Electric power box convenient to fast power failure, its structure includes rain-proof ceiling (1), chamber door (2), electric power host (3), door handle (4), radiating groove (5), chamber door (2) are the rectangle structure, and install in electric power host (3) surface front end, its characterized in that through the lock mode:
the door handle (4) is installed at the left end of the box door (2) in an embedding mode and is buckled with the inner part of the electric host (3), a groove for movably installing a heat dissipation groove (5) is formed in the lower end of the left side of the electric host (3), and the rain-proof ceiling (1) is installed at the top of the electric host (3) in a sleeving mode;
the electric power main machine (3) comprises an electric breaker main body (301), a limiting device (302), an ejection mechanism (303), a transmission mechanism (304), a total circuit breaking device (305) and a linkage mechanism (306), wherein the electric breaker main body (301) is arranged at the upper left end inside the electric power main machine (3), and the top is provided with a limiting device (302), the limiting device (302) is connected with the top of the rain shelter ceiling (1) in a penetrating way, the total breaking device (305) is arranged at the lower end of the right side of the breaker main body (301), and is buckled with the right end of the linkage mechanism (306), the linkage mechanism (306) is positioned at the lower end of the breaker main body (301), the middle part of the breaker main body (301) is provided with a transmission mechanism (304), the ejection mechanism (303) is arranged at the upper end of the breaker main body (301), and the left end penetrates through the electric host (3) to be attached to the inner side of the box door (2), and the linkage mechanism (306) is connected with the ejection mechanism (303) through a transmission mechanism (304).
2. The power box facilitating quick power-off of claim 1, wherein: the power host (3) further comprises a ceiling main body (3011), a host shell (3012) and a circuit device shell (3013), the ceiling main body (3011) is installed on the top of the host shell (3012) in a sleeving mode, and the circuit device shell (3013) is arranged at the upper end of the left side of the host shell (3012).
3. The power box facilitating quick power-off of claim 1, wherein: stop device (302) are including location pressure handle (3021), spacing push rod (3022), moving magnet (2023), positioning magnet (3024) are located the half department of host computer shell (3012) top left end, ceiling main part (3011), host computer shell (3012) are run through to spacing push rod (3022) lower extreme and are connected with ejection mechanism (303), moving magnet (2023) are installed in spacing push rod (3022) lower extreme through the registrate mode, and the top is inhaled mutually with positioning magnet (3024), location pressure handle (3021) are located ceiling main part (3011) top, and the left end is connected with spacing push rod (3022) top.
4. The power box facilitating quick power-off according to claim 1 or 3, wherein: the ejection mechanism (303) comprises a return spring (3031), a power-off push rod (3032), a push rod slot (3033), a movable slide rail (3034), a fixed rope fastener (3035), an air cylinder (3036) and a transmission push rod (3037), wherein the air cylinder (3036) is arranged at the upper end of the right side of the circuit device shell (3013) in parallel, the left end of the transmission push rod (3037) is sleeved with the transmission push rod, the left lower end of the transmission push rod (3037) is provided with a fixed rope buckle (3035), and is connected with a transmission mechanism (304), the push rod slot (3033) is positioned at the upper end of the left side of the circuit device shell (3013), and the inside is provided with a power-off push rod (3032), the left end of the power-off push rod (3032) is connected with the box door (2), the right end of the push rod slot (3033) is connected with a transmission push rod (3037) through a return spring (3031), the interior of the transmission push rod (3037) is connected with the power-off push rod (3032) through a movable slide rail (3034).
5. The power box facilitating quick power-off of claim 1, wherein: the transmission mechanism (304) comprises a transmission rope (3041), a first linkage wheel (3042), a fixed cross bar (3043), a transmission pulley (3044), a transmission rack (3045), a second linkage wheel (3046), a second spring (3047), a straight gear (3048) and a transmission cam (3049), wherein the straight gear (3048) is arranged at the lower end of the middle part of the circuit device shell (3013), the top of the straight gear (3048) is meshed with the transmission rack (3045), the transmission cam (3049) is arranged at the middle part of the straight gear (3048), the top of the transmission cam is jointed with the linkage mechanism (306), the fixed cross bar (3043) is arranged at the upper end of the left side of the total circuit breaker (305), the lower end of the transmission cam (3045) is buckled with the transmission rack (3045) through the transmission pulley (3044), the left end of the transmission rack (3045) is connected with the left side of the circuit device shell (3043) through the second spring (3047), the first linkage wheel (3042) is arranged at, the second linkage wheel (3046) is arranged in the middle of the left side of the circuit device shell (3013), the head end of the transmission rope (3041) is buckled with the fixed rope buckle (3035), and the tail end of the transmission rope (3041) bypasses the first linkage wheel (3042), and the second linkage wheel (3046) is connected with the left end of the transmission rack (3045).
6. The power box facilitating quick power-off of claim 1, wherein: total circuit breaker device (305) include circuit breaker switch (3051), circuit breaker main part (3052), locating plate (3053), circuit breaker shell (3013) right side lower extreme is located in locating plate (3053), and the surface is equipped with circuit breaker main part (3052), circuit breaker main part (3052) middle part is equipped with circuit breaker switch (3051), circuit breaker switch (3051) and link gear (306) looks lock.
7. The power box facilitating quick power-off according to claim 1, 5 or 6, wherein: the linkage mechanism (306) comprises a switch clamp handle (3061), a third spring (3062), a lifting rod (3063) and linkage rods (3064), two ends of the bottom of each linkage rod (3064) are installed at the bottom of the circuit device shell (3013) through the lifting rod (3063), the number of the third springs (3062) is two, the three springs are respectively sleeved and connected with the two lifting rods (3063) and connected with the bottoms of the linkage rods (3064), and the right end of each linkage rod (3064) is buckled with the circuit breaker switch (3051) through the switch clamp handle (3061).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811163124.6A CN109244879B (en) | 2018-09-30 | 2018-09-30 | Power box convenient to cut off power supply fast |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811163124.6A CN109244879B (en) | 2018-09-30 | 2018-09-30 | Power box convenient to cut off power supply fast |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109244879A CN109244879A (en) | 2019-01-18 |
| CN109244879B true CN109244879B (en) | 2020-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811163124.6A Active CN109244879B (en) | 2018-09-30 | 2018-09-30 | Power box convenient to cut off power supply fast |
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| CN (1) | CN109244879B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110739609B (en) * | 2019-11-13 | 2020-12-29 | 斯普屹科技(北京)有限公司 | Automatic device of changing of block terminal sealed fuse-element |
| CN111029194B (en) * | 2019-12-11 | 2021-11-26 | 稻映(上海)科技有限公司 | Closed power switch equipment |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4680672A (en) * | 1985-11-08 | 1987-07-14 | Siemens-Allis | Molded case circuit breaker with front accessible control panel |
| US4752239A (en) * | 1987-02-26 | 1988-06-21 | Heinemann Electric Company | Circuit breaker support and connection modifying device |
| US6331685B1 (en) * | 2000-10-18 | 2001-12-18 | Prolec Ge, S. De R.L. De C.V. | Mounting system for a circuit breaker |
| JP3763094B2 (en) * | 2002-10-30 | 2006-04-05 | 株式会社日立製作所 | Electromagnetic operation device |
| CN206532723U (en) * | 2016-12-13 | 2017-09-29 | 东莞同济大学研究院 | A kind of drawer type automatic change-over |
| CN207638194U (en) * | 2017-12-10 | 2018-07-20 | 张思远 | A kind of electric power box convenient for wiring |
| CN108376515A (en) * | 2018-04-03 | 2018-08-07 | 莆田市荔城区湘儿贸易有限公司 | A kind of electric power overhaul alarming device |
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| CN109244879A (en) | 2019-01-18 |
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