CN112865025A - Automatic protection distribution switchgear for avoiding short circuit - Google Patents
Automatic protection distribution switchgear for avoiding short circuit Download PDFInfo
- Publication number
- CN112865025A CN112865025A CN202110204017.9A CN202110204017A CN112865025A CN 112865025 A CN112865025 A CN 112865025A CN 202110204017 A CN202110204017 A CN 202110204017A CN 112865025 A CN112865025 A CN 112865025A
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- welded
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
- H02H7/222—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices for switches
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/02—Details
- H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
- H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
Abstract
The invention relates to the technical field of power distribution devices, and discloses an automatic protection power distribution switchgear capable of avoiding short circuit, which comprises a device shell, wherein a power connection plate is arranged in the middle of the inside of the device shell, a limiting plate is arranged on the side surface of the inside of the device shell, a shearing mechanism is welded on the side surface of the limiting plate, an ejector rod is connected in the limiting plate in a sliding manner, a limiting spring is sleeved on the periphery of the ejector rod, a belt is hinged to the front surface of the ejector rod, the automatic protection power distribution switchgear capable of avoiding short circuit is used by matching the shearing mechanism with the belt, when the operation of the equipment is influenced by overhigh working temperature in the device shell, the shearing mechanism can automatically cut off the belt, and the ejector rod enables a conductive block to be separated from the power connection plate under the limitation of the limiting spring, so that the; through the cooperation use of ejector pin and electrically conductive roof, when the equipment outage, the ejector pin can contact with electrically conductive roof to trigger the alarm, the suggestion people maintain.
Description
Technical Field
The invention relates to the technical field of power distribution devices, in particular to automatic protection power distribution switch equipment capable of avoiding short circuit.
Background
The power distribution device is used for receiving and distributing electric energy during normal operation, and can quickly cut off a fault part and restore normal operation through automatic or manual operation when a fault occurs. It can be said that the power distribution device is an important device that realizes the electrical main wiring function in particular. In a switchboard for high voltage receiving and distribution systems, the mobile mechanism provided with circuit breakers is formed as one unit. The distribution board may have a fire hazard in the using process, and the reasons for the fire hazard are as follows: the poor contact of connecting wire and electric instrument leads to its self contact resistance increase, can lead to its self heat to rise down for a long time, probably causes the phenomenon of catching fire, and when its resistance increased, its self switch seat can not accomplish self-closing, can not carry out automatic alarm moreover and remind the staff, has influenced the normal use of distribution board.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides automatic protection power distribution switch equipment for avoiding short circuit, which has the advantages of automatic closing and automatic alarming when the working temperature is overhigh, and solves the problems that the conventional power distribution switch cannot be automatically closed and is easy to cause fire.
(II) technical scheme
In order to realize the purposes of automatic closing and automatic alarming when the working temperature is overhigh, the invention provides the following technical scheme: the automatic protection power distribution switchgear capable of avoiding short circuit comprises a device shell, wherein a power connection plate is arranged in the middle of the inside of the device shell, a limiting plate is arranged on the side face of the inside of the device shell, a shearing mechanism is welded on the side face of the limiting plate, an ejector rod is connected to the inside of the limiting plate in a sliding mode, a limiting spring is sleeved on the periphery of the ejector rod, a belt is hinged to the front face of the ejector rod, a pressing rod is welded at the bottom of the ejector rod, a conductive block is welded at the tail end of the pressing rod, a first clamping block is welded on the inner side of the pressing rod, a support is welded on the side face of the power connection plate, return springs are welded on the two sides of the support, a second clamping block is welded at one end; the shearing mechanism comprises an encapsulation shell, a cutter is connected inside the encapsulation shell in a sliding mode, and buffer springs are welded on two sides of the cutter.
Preferably, the electric plates are welded at the right middle position inside the device shell in a vertical state, and two limiting plates are arranged, are symmetrically distributed by taking the electric plates as the center and are respectively welded at the left end and the right end inside the device shell in a vertical state; the shearing mechanism is provided with four groups, the internal structure and the specification of the shearing mechanism are the same, every two groups of shearing mechanisms are distributed in a symmetrical position by taking the middle point of the limiting plate as the center, and the shearing mechanisms are welded on one side, close to the electric plate, of the limiting plate respectively.
Preferably, the two ejector rods are symmetrically distributed by taking the power receiving plate as a center, the two ejector rods are horizontally and slidably connected inside the left limiting plate and the right limiting plate and penetrate through the limiting plates, and the two limiting springs are respectively sleeved on the peripheries of the left limiting spring and the right limiting spring and welded with the limiting plates; the belt is provided with two sets, and every group contains the belt of two the same specifications, and two belts of the same group use the mid point of ejector pin to be the symmetric position distribution as the center, articulate respectively in the upper and lower both sides of ejector pin, and pass through the belt between ejector pin and the device shell lateral wall and articulate.
Preferably, the press rods are arranged in two groups, each group comprises two press rods with the same specification, the press rods are L-shaped, the two press rods in the same group are distributed in a symmetrical position by taking the ejector rod as a center and are respectively welded on the upper side and the lower side of the ejector rod, the two groups of conductive blocks are arranged, each group comprises two conductive blocks with the same specification, the two conductive blocks in the same group are respectively welded at the tail ends of the upper press rod and the lower press rod, and the two conductive blocks in the same group are in contact with the electric connection plate in.
Preferably, the first clamping blocks are provided with two groups, each group comprises two first clamping blocks with the same specification, and the two first clamping blocks in the same group are respectively welded on the inner sides of the upper compression bar and the lower compression bar; the two supports are symmetrically distributed by taking the electric connection plate as a center and are respectively welded at the left end and the right end of the electric connection plate; the reset springs are provided with four groups, each group comprises two reset springs with the same specification, and the two reset springs in the same group are uniformly welded on the side face of the support.
Preferably, the second fixture blocks are provided with two groups, each group comprises two fixture blocks of the same specification, the two fixture blocks of the same group are distributed in a symmetrical position by taking the support as a center, and the fixture blocks are connected with the support through two return springs; the shape of the second clamping block is matched with that of the first clamping block; the two conductive top plates are distributed symmetrically by taking the electric connection plate as the center, are welded at the left end and the right end inside the device shell respectively, and are arranged on the motion tracks of the left ejector rod and the right ejector rod.
Preferably, the packaging shell is in a closed state, hydrogen is filled in the packaging shell, two buffer springs are arranged, the cutter penetrates through the packaging shell, one end of the cutter penetrates through the packaging shell and is arranged on the inner side of the packaging shell, the cutter is connected with the bottom of the packaging shell through the two buffer springs, and the belt is arranged on the motion track of the cutter.
(III) advantageous effects
Compared with the prior art, the invention provides automatic protection distribution switchgear capable of avoiding short circuit, which has the following beneficial effects:
according to the automatic protection power distribution switchgear capable of avoiding short circuit, the shearing mechanism is matched with the belt, when the working temperature in the device shell is too high and the operation of the equipment is influenced, the belt can be automatically cut off by the shearing mechanism, and the conductive block is separated from the power connection plate under the limitation of the ejector rod through the limiting spring, so that the effect of automatic power off is realized; through the cooperation use of ejector pin and electrically conductive roof, when the equipment outage, the ejector pin can contact with electrically conductive roof to trigger the alarm, the suggestion people maintain.
Drawings
FIG. 1 is a schematic view showing the connection of the structures of the present invention;
FIG. 2 is a schematic view showing the connection of the structures of the shearing mechanism of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention.
In the figure: 1. a device housing; 2. a power connection plate; 3. a limiting plate; 4. a shearing mechanism; 5. a top rod; 6. a limiting spring; 7. a belt; 8. a pressure lever; 9. a conductive block; 10. a first clamping block; 11. a support; 12. a return spring; 13. a second clamping block; 14. a conductive top plate; 41. a package housing; 42. a cutter; 43. a buffer spring.
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. 1-3, an automatic protection power distribution switchgear for avoiding short circuit includes a device case 1, a power receiving plate 2 is disposed in the middle of the inside of the device case 1, a limiting plate 3 is disposed on the side of the inside of the device case 1, a shearing mechanism 4 is welded on the side of the limiting plate 3, the power receiving plate 2 is welded in the middle of the inside of the device case 1 in a vertical state, and two limiting plates 3 are disposed, symmetrically distributed with the power receiving plate 2 as the center, and respectively welded at the left and right ends of the inside of the device case 1 in a vertical state;
the shearing mechanisms 4 are provided with four groups, the internal structures and specifications of the shearing mechanisms are the same, and every two shearing mechanisms are distributed in a symmetrical position by taking the middle point of the limiting plate 3 as the center and are respectively welded on one side of the limiting plate 3 close to the electric plate 2; the inner part of the limiting plate 3 is connected with two ejector rods 5 in a sliding manner, the periphery of each ejector rod 5 is sleeved with a limiting spring 6, the front surface of each ejector rod 5 is hinged with a belt 7, the two ejector rods 5 are symmetrically distributed by taking the electric connection plate 2 as the center, the two ejector rods 5 are horizontally connected inside the left limiting plate 3 and the right limiting plate 3 in a sliding manner and penetrate through the limiting plates 3, and the two limiting springs 6 are respectively sleeved on the periphery of the left limiting spring 6 and the right limiting spring 6 and welded with the limiting plates 3;
two groups of belts 7 are arranged, each group comprises two belts 7 with the same specification, the two belts 7 of the same group are symmetrically distributed by taking the middle point of the ejector rod 5 as the center and are respectively hinged on the upper side and the lower side of the ejector rod 5, and the ejector rod 5 is hinged with the side wall of the device shell 1 through the belts 7; the bottom of the ejector rod 5 is welded with a compression rod 8, the tail ends of the compression rods 8 are welded with conductive blocks 9, the compression rods 8 are provided with two groups, each group comprises two compression rods 8 with the same specification, the compression rods 8 are L-shaped, the two compression rods 8 of the same group are distributed in a symmetrical position by taking the ejector rod 5 as a center and are respectively welded on the upper side and the lower side of the ejector rod 5, the conductive blocks 9 are provided with two groups, each group comprises two conductive blocks 9 with the same specification, the two conductive blocks 9 of the same group are respectively welded on the tail ends of the upper compression rod 8 and the lower compression rod 8 and are in contact;
the inner sides of the compression rods 8 are welded with first fixture blocks 10, the side faces of the electric connection plates 2 are welded with supports 11, two sides of each support 11 are welded with return springs 12, the first fixture blocks 10 are provided with two groups, each group comprises two first fixture blocks 10 with the same specification, and the two first fixture blocks 10 of the same group are respectively welded on the inner sides of the upper compression rod 8 and the lower compression rod 8; the two supports 11 are symmetrically distributed by taking the electric connection plate 2 as a center and are respectively welded at the left end and the right end of the electric connection plate 2; the reset springs 12 are provided with four groups, each group comprises two reset springs 12 with the same specification, and the two reset springs 12 in the same group are uniformly welded on the side surface of the support 11;
two clamping blocks 13 are welded at one end, far away from the support 11, of the return spring 12, two groups of the clamping blocks 13 are arranged, each group comprises two clamping blocks 13 with the same specification, the two clamping blocks 13 in the same group are symmetrically distributed by taking the support 11 as a center, and the two clamping blocks 13 are connected with the support 11 through the two return springs 12; the shape of the second clamping block 13 is matched with that of the first clamping block 10; the two conductive top plates 14 are symmetrically distributed by taking the electric connection plate 2 as the center, are respectively welded at the left end and the right end inside the device shell 1, and are arranged on the motion tracks of the left ejector rod 5 and the right ejector rod 5;
the left end and the right end inside the device shell 1 are welded with conductive top plates 14; the shearing mechanism 4 comprises a packaging shell 41, a cutter 42 is connected inside the packaging shell 41 in a sliding manner, and buffer springs 43 are welded on two sides of the cutter 42; the packaging shell 41 is in a closed state, hydrogen is filled in the packaging shell 41, two buffer springs 43 are arranged, the cutter 42 penetrates through the packaging shell 41, one end of the cutter 42 penetrates through the packaging shell 41 and is arranged on the inner side of the packaging shell 41, the cutter 42 is connected with the bottom of the packaging shell 41 through the two buffer springs 43, and the belt 7 is arranged on the movement track of the cutter 42.
When the device shell 1 normally runs in use, two ejector rods 5 are arranged and are symmetrically distributed by taking the electric connection plate 2 as the center, the two ejector rods 5 are horizontally and slidably connected inside the left limiting plate 3 and the right limiting plate 3 and penetrate through the limiting plates 3, and two limiting springs 6 are arranged and are respectively sleeved on the peripheries of the left limiting spring 6 and the right limiting spring 6 and welded with the limiting plates 3; two groups of belts 7 are arranged, each group comprises two belts 7 with the same specification, the two belts 7 of the same group are symmetrically distributed by taking the middle point of the ejector rod 5 as the center and are respectively hinged on the upper side and the lower side of the ejector rod 5, the top rod 5 is hinged with the side wall of the device shell 1 through a belt 7, two groups of pressure rods 8 are arranged, each group comprises two pressure rods 8 with the same specification, the shape of each pressure rod 8 is L-shaped, the two pressure rods 8 of the same group are distributed in a symmetrical position by taking the top rod 5 as the center and are respectively welded on the upper side and the lower side of the top rod 5, two groups of conducting blocks 9 are arranged, each group comprises two conducting blocks 9 with the same specification, the two conducting blocks 9 of the same group are respectively welded on the tail ends of the upper pressure rod 8 and the lower pressure rod 8, and contact with the electricity connecting plate 2 under the initial state, the fixture block one 10 has two groups, each group includes two fixture blocks one 10 of the same specification, two fixture blocks one 10 of the same group are welded on the inner sides of the upper and lower compression bars 8 respectively; the two supports 11 are symmetrically distributed by taking the electric connection plate 2 as a center and are respectively welded at the left end and the right end of the electric connection plate 2; the reset springs 12 are provided with four groups, each group comprises two reset springs 12 with the same specification, the two reset springs 12 in the same group are uniformly welded on the side surface of the support 11, in an initial state, two groups of fixture blocks 13 are arranged, each group comprises two fixture blocks 13 with the same specification, the two fixture blocks 13 in the same group are distributed in a symmetrical position by taking the support 11 as a center, and the fixture blocks 13 are connected with the support 11 through the two reset springs 12; the shape of the second clamping block 13 is matched with that of the first clamping block 10, and the ejector rod 5 is clamped with the second clamping block 13 through the first clamping block 10;
please refer to fig. 3 for the above process;
when the working temperature in the device shell 1 is too high and affects the operation of the device, because the shearing mechanism 4 is provided with four groups, the internal structure and specification are the same, two groups are symmetrically distributed by taking the middle point of the limiting plate 3 as the center, and are respectively welded on one side of the limiting plate 3 close to the electric contact plate 2, the packaging shell 41 is in a closed state, the interior is filled with hydrogen, two buffer springs 43 are arranged, the cutter 42 penetrates through the packaging shell 41, one end of the cutter 42 penetrates through the packaging shell 41 and is arranged on the inner side of the packaging shell 41, and is connected with the bottom of the packaging shell 41 through the two buffer springs 43, the belt 7 is arranged on the motion track of the cutter 42, at the moment, the hydrogen in the packaging shell 41 is heated and expands, so that the cutter 42 moves towards the belt 7 until the belt 7 is cut off, at the moment, the ejector pin 5 is separated from the limitation of the belt 7, meanwhile, the mandril 5 starts to move towards the direction of the conductive top plate 14 under the elasticity of the limit spring 6;
please refer to fig. 2 for the above process;
at the moment, the conductive block 9 is separated from the contact with the electric connection plate 2, so that the whole device is in a power-off state, meanwhile, two conductive top plates 14 are arranged, are distributed in a symmetrical position by taking the electric connection plate 2 as the center, are respectively welded at the left end and the right end in the device shell 1, are arranged on the motion tracks of the left ejector rod 5 and the right ejector rod 5, the electric connection plate 2 is vertically welded at the middle position in the device shell 1, and two limiting plates 3 are arranged, are distributed in a symmetrical position by taking the electric connection plate 2 as the center, and are respectively welded at the left end and the right end in the device shell 1 in a vertical state; at the moment, the ejector rod 5 is in contact with the conductive top plate 14 to trigger alarm;
in conclusion, the automatic protection power distribution switchgear capable of avoiding short circuit is used by matching the shearing mechanism 4 and the belt 7, when the working temperature in the device shell 1 is too high and the operation of the equipment is influenced, the shearing mechanism 4 can automatically cut off the belt 7, and the ejector rod 5 enables the conductive block 9 to be separated from the power connection plate 2 under the limitation of the limiting spring 6, so that the effect of automatic power off is realized; through the cooperation use of ejector pin 5 with electrically conductive roof 14, when the equipment outage, ejector pin 5 can contact with electrically conductive roof 14 to trigger the alarm, the suggestion people maintain.
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 (7)
1. An automatic protection distribution switchgear avoiding short-circuits, comprising a device case (1), characterized in that: the middle of the inside of the device shell (1) is provided with an electricity receiving plate (2), the side of the inside of the device shell (1) is provided with a limiting plate (3), the side of the limiting plate (3) is welded with a shearing mechanism (4), the inside of the limiting plate (3) is connected with a push rod (5) in a sliding manner, a limiting spring (6) is sleeved on the periphery of the push rod (5), the front of the push rod (5) is hinged with a belt (7), the bottom of the push rod (5) is welded with a pressure rod (8), the tail end of the pressure rod (8) is welded with a conductive block (9), the inner side of the pressure rod (8) is welded with a fixture block I (10), the side of the electricity receiving plate (2) is welded with a support (11), the two sides of the support (11) are welded with reset springs (12), one end of the reset springs (12), the left end and the right end inside the device shell (1) are welded with conductive top plates (14); shear mechanism (4), including encapsulation casing (41), the inside sliding connection of encapsulation casing (41) has cutter (42), the both sides welding of cutter (42) has buffer spring (43).
2. An automatic protective power distribution switchgear apparatus for avoiding short circuits as claimed in claim 1 wherein: the two limiting plates (3) are symmetrically distributed by taking the electric connection plate (2) as a center and are respectively welded at the left end and the right end in the device shell (1) in a vertical state; the shearing mechanism (4) is provided with four groups, the internal structure and the specification of the shearing mechanism are the same, every two groups of shearing mechanisms are distributed in a symmetrical position by taking the middle point of the limiting plate (3) as the center, and the shearing mechanisms are welded on one side, close to the electric plate (2), of the limiting plate (3) respectively.
3. An automatic protective power distribution switchgear apparatus for avoiding short circuits as claimed in claim 1 wherein: the two ejector rods (5) are symmetrically distributed by taking the power receiving plate (2) as a center, the two ejector rods (5) are horizontally and slidably connected inside the left limiting plate (3) and the right limiting plate (3) and penetrate through the limiting plates (3), and the two limiting springs (6) are respectively sleeved on the peripheries of the left limiting spring (6) and the right limiting spring (6) and welded with the limiting plates (3); the belt (7) are provided with two sets, each set comprises two belts (7) with the same specification, the two belts (7) in the same set are distributed in symmetrical positions by taking the middle point of the ejector rod (5) as the center, and are respectively hinged to the upper side and the lower side of the ejector rod (5), and the ejector rod (5) is hinged to the side wall of the device shell (1) through the belts (7).
4. An automatic protective power distribution switchgear apparatus for avoiding short circuits as claimed in claim 1 wherein: the utility model discloses a power supply device, including depression bar (8), conducting block (9) are provided with two sets ofly, and every group contains depression bar (8) of two the same specifications, and the shape of depression bar (8) is the L type, and two depression bar (8) of the same group use ejector pin (5) to be the symmetric position distribution as the center, weld respectively in the upper and lower both sides of ejector pin (5), conducting block (9) are provided with two sets ofly, and every group contains conducting block (9) of two the same specifications, and two conducting block (9) of the same group weld respectively in the end of two upper and lower depression bars (.
5. An automatic protective power distribution switchgear apparatus for avoiding short circuits as claimed in claim 1 wherein: the first clamping blocks (10) are arranged in two groups, each group comprises two clamping blocks (10) with the same specification, and the two clamping blocks (10) in the same group are respectively welded on the inner sides of the upper compression bar (8) and the lower compression bar (8); the two supports (11) are symmetrically distributed by taking the electric connection plate (2) as a center and are respectively welded at the left end and the right end of the electric connection plate (2); the reset springs (12) are provided with four groups, each group comprises two reset springs (12) with the same specification, and the two reset springs (12) of the same group are uniformly welded on the side surface of the support (11).
6. An automatic protective power distribution switchgear apparatus for avoiding short circuits as claimed in claim 1 wherein: the two clamping blocks (13) are arranged in two groups, each group comprises two clamping blocks (13) with the same specification, the two clamping blocks (13) in the same group are symmetrically distributed by taking the support (11) as the center, and the two clamping blocks (13) are connected with the support (11) through two return springs (12); the shape of the second clamping block (13) is matched with that of the first clamping block (10); the two conductive top plates (14) are symmetrically distributed by taking the electric connection plate (2) as the center, are respectively welded at the left end and the right end inside the device shell (1), and are arranged on the motion tracks of the left ejector rod and the right ejector rod (5).
7. An automatic protective power distribution switchgear apparatus for avoiding short circuits as claimed in claim 1 wherein: the packaging shell (41) is in a closed state, hydrogen is filled in the packaging shell, two buffer springs (43) are arranged, the cutter (42) penetrates through the packaging shell (41), one end of the cutter (42) penetrates through the packaging shell (41) and is arranged on the inner side of the packaging shell (41), the bottom of the packaging shell (41) is connected with the bottom of the packaging shell (41) through the two buffer springs (43), and the belt (7) is arranged on the motion track of the cutter (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110204017.9A CN112865025A (en) | 2021-02-23 | 2021-02-23 | Automatic protection distribution switchgear for avoiding short circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110204017.9A CN112865025A (en) | 2021-02-23 | 2021-02-23 | Automatic protection distribution switchgear for avoiding short circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112865025A true CN112865025A (en) | 2021-05-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110204017.9A Withdrawn CN112865025A (en) | 2021-02-23 | 2021-02-23 | Automatic protection distribution switchgear for avoiding short circuit |
Country Status (1)
| Country | Link |
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| CN (1) | CN112865025A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113707474A (en) * | 2021-10-28 | 2021-11-26 | 江苏恒鹏智能电气有限公司 | Electric misoperation prevention device |
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| CN112186587A (en) * | 2020-09-18 | 2021-01-05 | 陈飞华 | Self-ejection opening device for power distribution cabinet based on principle of thermal expansion and cold contraction |
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| CN204792505U (en) * | 2015-08-23 | 2015-11-18 | 张青元 | Travel switch for electrical equipment |
| CN207517625U (en) * | 2017-11-28 | 2018-06-19 | 广州市网氏信息科技有限公司 | A kind of breaker with warning device |
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Application publication date: 20210528 |
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| WW01 | Invention patent application withdrawn after publication |