CN211529881U - Backup protector for inrush current protector convenient to maintain - Google Patents
Backup protector for inrush current protector convenient to maintain Download PDFInfo
- Publication number
- CN211529881U CN211529881U CN202020232344.6U CN202020232344U CN211529881U CN 211529881 U CN211529881 U CN 211529881U CN 202020232344 U CN202020232344 U CN 202020232344U CN 211529881 U CN211529881 U CN 211529881U
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- protector
- main body
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- maintenance
- heat dissipation
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Abstract
The utility model provides a surge protector spare protector for protector convenient to maintain, including the protector main part, the handle, the protector convex seat, the screw hole, screw protection plug cap, first connecting rope, wiring hole protection plug cap, the rope is connected to the second, protector wiring hole, fastening screw, installation clamping groove, installation buckle, mobile regulation protection casing structure, detachable supplementary heat dissipation protection machine structure with can observe the dismantlement formula and maintain the plate structure. The movable plate, the movable bolt and the nut, the protective cover, the dismounting pipe, the support rod and the wing-shaped screw are arranged, so that the protective device is favorable for protecting the protector main body, and the problem that the protector main body is easily influenced by dust when exposed in the outside air for a long time is solved; the setting of fly leaf, activity bolt and nut and protection casing is favorable to adjusting the position of fly leaf according to the protection demand to guarantee to play good guard action.
Description
Technical Field
The utility model belongs to the technical field of surge protector, especially, relate to a backup protector for surge protector convenient to maintain.
Background
The backup protection refers to protection for removing faults when the main protection or the breaker fails. When a circuit fails, the protection on the circuit will momentarily signal the open element (e.g., a circuit breaker) of the circuit, and this immediate action protection is the main protection. When the main protection is not active for various reasons, after a short delay (the delay time is according to the requirements of each loop), another protection will start and act, and the fault loop will be tripped. This protection is the backup protection.
At present, the backup protection is realized by another set of protection of the power equipment or the line when the main protection refuses to operate. Far backup-backup protection achieved by protection of adjacent power equipment or lines when the main protection or circuit breaker fails.
However, the existing backup protector also has the problems that the installation, the disassembly and the maintenance are inconvenient, the backup protector is easily influenced by dust when being exposed in the outside air for a long time, and the backup protector does not have the auxiliary heat dissipation function.
Therefore, it is necessary to provide a backup protector for an inrush current protector, which is convenient to maintain.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a spare protector for inrush current protector convenient to maintain to there is the installation of not being convenient for to dismantle the maintenance in solving current spare protector, exposes for a long time and receives the dust easily in the outside air to influence and do not possess the problem of supplementary heat dissipation function. A backup protector for an inrush current protector convenient to maintain comprises a protector main body, a lifting handle, a protector convex seat, a screw hole, a screw protection plug cap, a first connecting rope, a wiring hole protection plug cap, a second connecting rope, a protector wiring hole, a fastening screw, an installation clamping groove, an installation buckle, a movable adjusting protective cover structure, a detachable auxiliary heat dissipation protective machine structure and an observable and detachable maintenance plate structure, wherein the lifting handle is respectively connected to the upper parts of the left end and the right end of the protector main body through screws; the transverse lower part of the convex seat of the protector is connected with the middle position of the upper part of the protector main body through a bolt; the screw holes are respectively and longitudinally arranged in the middle positions of the left part and the right part of the inner side of the upper part of the protector main body and far away from one end of the protector convex seat; the screw protection plug cap is in threaded connection with the upper end of the screw hole; one end of the first connecting rope is connected with a screw protection plug cap through a screw, and the other end of the first connecting rope is connected with a protector main body through a screw; the protector wiring holes are respectively transversely arranged in the middle positions of the left side and the right side in the protector main body; the wiring hole protection plug cap is in threaded connection with the outer end of the wiring hole of the protector; one end of the second connecting rope is in screw connection with the wiring hole protection plug cap, and the other end of the second connecting rope is in screw connection with the protector main body; the fastening screws are respectively and longitudinally connected in the screw holes in a threaded manner; the mounting clamping groove is formed in the middle of the bottom of the protector main body; the transverse screw for installing the buckle is connected to the left side of the bottom of the protector main body; the movable adjustable protective cover structure is connected with the protector main body; the detachable auxiliary heat dissipation protector structure is connected with the protector convex seat; the observable and detachable maintenance plate structure is connected with the protector main body; the movable adjustable protective cover structure comprises a movable plate, a movable bolt nut, a protective cover, a detachable pipe, a supporting rod and a wing-shaped screw, wherein the upper ends of the movable plate are respectively arranged at the left end and the right end in the protective cover through the movable bolt nut; the dismounting pipes are respectively longitudinally connected with the middle positions of the left side and the right side of the top of the inner side of the protective cover through bolts at one end, and the other end of each dismounting pipe is sleeved on the outer wall of the upper end of the supporting rod; the connecting part of the dismounting pipe and the supporting rod is in threaded connection with a wing-shaped screw.
Preferably, the detachable auxiliary heat dissipation protector structure comprises a heat dissipation fan, a heat dissipation hood, heat dissipation fins, a detaching seat, a ventilation net and a quick-detaching bolt, wherein the heat dissipation fan is sequentially connected to an inlet at the upper part of the heat dissipation hood through screws from left to right; the inner part of the radiator cover is transversely connected with radiating fins from top to bottom in sequence by screws; the disassembly seat is transversely bolted on the lower part of the heat radiation hood; the ventilation net is transversely embedded at an inlet in the middle of the inner part of the dismounting seat; the quick-release bolts are respectively arranged in the middle positions of the left side and the right side of the inner part of the disassembly seat.
Preferably, the observable and detachable maintenance plate structure comprises mounting holes, a maintenance frame, an observation plate, a sealing strip, a portable handle and a handle mounting lining seat, wherein the mounting holes are respectively formed in four corners inside the maintenance frame; the observation plate is transversely sealed and embedded in the middle position in the maintenance frame through a sealing strip; the portable handles are respectively connected with the inner parts among the handle mounting lining seats in a shaft way; the handle mounting lining seats are respectively connected to the upper side and the lower side of the left part of the front surface of the maintenance frame and the upper side and the lower side of the right part of the front surface of the maintenance frame through screws.
Preferably, the movable plate is an aluminum alloy plate.
Preferably, the protection cover is an aluminum alloy cover with an arc-shaped upper part.
Preferably, the support rods are respectively connected to the left side and the right side of the upper part of the protector main body at the longitudinal lower ends through bolts.
Preferably, the heat dissipation fan is a plurality of direct current heat dissipation fans with rated voltage of twelve volts.
Preferably, the heat radiator cover is an aluminum cover with a rectangular longitudinal section.
Preferably, the heat radiating fins are red copper condensing fins with cooling liquid inside.
Preferably, the ventilation net specifically adopts a rectangular stainless steel filter screen.
Preferably, the dismounting seat is transversely installed at an inlet of the middle position of the upper part of the convex seat of the protector through a dismounting bolt.
Preferably, the maintenance frame is bolted to a middle position of the front surface of the protector body through the mounting hole.
Preferably, the observation plate body is made of transparent tempered glass.
Preferably, the sealing strip is a rubber strip.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in, fly leaf, activity bolt and nut, the protection casing, the dismantlement pipe, bracing piece and thumb screw's setting is favorable to playing good guard action to the protector main part, solves the problem that the protector main part exposes easily influenced by the dust in the ambient air for a long time.
2. The utility model discloses in, the fly leaf, the setting of movable bolt nut and protection casing is favorable to adjusting the position of fly leaf according to the protection demand to guarantee to play good guard action.
3. The utility model discloses in, heat dissipation fan, radiator bonnet, the fin, dismantle the seat, ventilation net and quick detach bolt's setting is favorable to playing good supplementary radiating action to protector main part inside to guarantee that the protector main part can in time handle the protection action of promptly cutting off the power supply, guarantee the life of protector main part.
4. The utility model discloses in, the setting of ventilation net, be favorable to playing supplementary filtering action to the heat dissipation air conditioning that gets into to guarantee the inside cleanness of protector main part.
5. The utility model discloses in, the mounting hole, maintain the frame, observe the board, the sealing strip, the setting of portable handle and handle installation base of lining is favorable to maintaining the dismantlement, is convenient for dismantle and maintains, the accessible is observed the board and is looked over the inside device behavior of protector main part in real time to be convenient for maintain or dismantle the clearance.
6. The utility model discloses in, the setting of sealing strip, be favorable to playing good leakproofness, avoid the dust to get into.
7. The utility model discloses in, the setting of handle, be favorable to carrying this protector main part, be convenient for install and maintain.
8. The utility model discloses in, screw protection gag, first connecting rope, the setting of wiring hole protection gag and second connection rope is favorable to playing good dustproof guard action.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the movable adjustable protective cover structure of the present invention.
Fig. 3 is a schematic structural view of the detachable auxiliary heat dissipation protection machine structure of the present invention.
Fig. 4 is a schematic structural view of the detachable maintenance plate structure of the present invention.
In the figure:
1. a protector main body; 2. a handle; 3. a protector boss; 4. screw holes; 5. a screw protection plug cap; 6. a first connecting rope; 7. a wiring hole protection plug cap; 8. a second connecting rope; 9. a protector wiring hole; 10. fastening screws; 11. installing a clamping groove; 12. mounting a buckle; 13. the protective cover structure can be movably adjusted; 131. a movable plate; 132. a movable bolt and a nut; 133. a protective cover; 134. disassembling the pipe; 135. a support bar; 136. a thumb screw; 14. a detachable auxiliary heat dissipation protector structure; 141. a heat dissipation fan; 142. a radiator cover; 143. a heat sink; 144. disassembling the seat; 145. a ventilation net; 146. a quick release bolt; 15. the detachable maintenance plate structure can be observed; 151. mounting holes; 152. maintaining the frame; 153. an observation plate; 154. a sealing strip; 155. a portable handle; 156. the handle is provided with a lining seat.
Detailed Description
The utility model is described in detail with reference to the accompanying drawings, as shown in fig. 1 and fig. 2, a backup protector for an inrush current protector convenient to maintain comprises a protector main body 1, a handle 2, a protector boss 3, a screw hole 4, a screw protection plug cap 5, a first connecting rope 6, a wiring hole protection plug cap 7, a second connecting rope 8, a protector wiring hole 9, a fastening screw 10, an installation clamping groove 11, an installation buckle 12, a movable adjusting protective cover structure 13, a detachable auxiliary heat dissipation protective machine structure 14 and an observable detachable maintenance plate structure 15, wherein the upper parts of the left end and the right end of the protector main body 1 are respectively connected with the handle 2 through screws; the transverse lower part of the protector convex seat 3 is connected with the middle position of the upper part of the protector main body 1 through a bolt; the screw holes 4 are respectively and longitudinally arranged in the middle positions of the left part and the right part of the inner side of the upper part of the protector main body 1 and far away from one end of the protector convex seat 3; the screw protection plug cap 5 is in threaded connection with the upper end of the screw hole 4; one end of the first connecting rope 6 is in screw connection with a screw protection plug cap 5, and the other end of the first connecting rope is in screw connection with the protector main body 1; the protector wiring holes 9 are respectively and transversely arranged in the middle positions of the left side and the right side in the protector main body 1; the wiring hole protection plug cap 7 is in threaded connection with the outer end of the protector wiring hole 9; one end of the second connecting rope 8 is in screw connection with the wiring hole protection plug cap 7, and the other end of the second connecting rope is in screw connection with the protector main body 1; the fastening screws 10 are respectively and longitudinally connected in the screw holes 4 in a threaded manner; the mounting clamping groove 11 is formed in the middle of the bottom of the protector main body 1; the mounting buckle 12 is connected to the left side of the bottom of the protector main body 1 through a transverse screw; the movable adjustable protective cover structure 13 is connected with the protector main body 1; the detachable auxiliary heat dissipation protector structure 14 is connected with the protector boss 3; the observable and detachable maintenance plate structure 15 is connected with the protector main body 1; the movable adjustable protective cover structure 13 comprises a movable plate 131, a movable bolt and nut 132, a protective cover 133, a detachable pipe 134, a support rod 135 and a wing-shaped screw 136, wherein the upper ends of the movable plate 131 are respectively installed at the left end and the right end in the protective cover 133 through the movable bolt and nut 132; the dismounting pipes 134 are respectively longitudinally bolted at one end to the middle positions of the left side and the right side of the top of the inner side of the protective cover 133, and the other end is sleeved on the outer wall of the upper end of the support rod 135; dismantle pipe 134 and bracing piece 135 junction threaded connection have thumb screw 136, in order to guarantee protector main part 1's work efficiency and safety in utilization, accessible protection casing 133 plays good guard action, through loosening movable bolt nut 132, can adjust the inclined position of fly leaf 131, in order to guarantee to play good lateral part protective capacities, through loosening thumb screw 136, can adjust the interval between dismantlement pipe 134 and the bracing piece 135, or dismantle the maintenance, it can to lock thumb screw 136 at last, in order to guarantee good safeguard effect.
In this embodiment, referring to fig. 3, the detachable auxiliary heat dissipation protection machine structure 14 includes a heat dissipation fan 141, a heat dissipation hood 142, a heat dissipation fin 143, a detachment seat 144, a ventilation net 145, and a quick-release bolt 146, wherein the heat dissipation fan 141 is sequentially screwed to an upper inlet of the heat dissipation hood 142 from left to right; the radiating fins 143 are connected to the inner part of the radiator cover 142 from top to bottom in sequence; the dismounting base 144 is transversely bolted on the lower part of the radiator cover 142; the ventilating net 145 is transversely embedded at the inlet of the middle position in the dismounting seat 144; the quick detach bolt 146 set up respectively in the inside left and right sides intermediate position of dismantling seat 144, with external power source and heat dissipation fan 141 switch-on, constantly move through heat dissipation fan 141, constantly inhale the outside air, and blow in the inside of dismantling seat 144 with the air conditioning that radiator shield 142 inside fin 143 effuses together, and filter the miscellaneous back through ventilation net 145 and get into inside the protector main part 1 through protector convex seat 3, can dispel the heat, in order to guarantee the job stabilization nature of protector main part 1, avoid overheated self damage problem that causes.
In this embodiment, referring to fig. 4, the observable and detachable maintenance plate structure 15 includes mounting holes 151, a maintenance frame 152, an observation plate 153, a sealing strip 154, a portable handle 155 and a handle mounting lining seat 156, wherein the mounting holes 151 are respectively opened at four corners inside the maintenance frame 152; the observation plate 153 is transversely sealed and embedded in the middle position inside the maintenance frame 152 through a sealing strip 154; the portable handles 155 are respectively connected with the inner part between the handle mounting bases 156 in a shaft way; handle installation bushing seat 156 both sides and maintenance frame 152 about the positive surface left part of maintenance frame 152 and the positive surface right part of maintenance frame 152 about both sides respectively the screw connection, can observe the inside condition of protector main part 1 in real time through observation board 153, through dismantling the inside bolt of mounting hole 151, can hand portable handle 155 and take off maintenance frame 152, can be convenient for clear up or maintain the inside device of protector main part 1, convenient operation, can play good leakproofness through sealing strip 154, can avoid the dust to get into, guarantee protector main part 1's safety in utilization.
In this embodiment, specifically, the movable plate 131 specifically uses an aluminum alloy plate.
In this embodiment, specifically, the protective cover 133 is an aluminum alloy cover with an arc-shaped upper portion.
In this embodiment, specifically, the support rods 135 are respectively connected to the left and right sides of the upper portion of the protector body 1 by longitudinal lower end bolts.
In this embodiment, specifically, the heat dissipation fan 141 employs a plurality of dc heat dissipation fans with a rated voltage of twelve volts.
In this embodiment, specifically, the heat sink cover 142 is an aluminum cover with a rectangular longitudinal section.
In this embodiment, the heat sink 143 is a red copper condensing sheet with a coolant inside.
In this embodiment, specifically, the ventilation net 145 specifically uses a rectangular stainless steel filter screen.
In this embodiment, specifically, the detaching base 144 is transversely installed at the inlet of the upper middle position of the protector boss 3 through a detaching bolt 146.
In this embodiment, specifically, the maintenance frame 152 is bolted to the middle position of the front surface of the protector body 1 through the mounting hole 151.
In this embodiment, specifically, the observation plate 153 specifically uses a transparent tempered glass plate.
In this embodiment, specifically, the sealing strip 154 is specifically a rubber strip.
In this embodiment, specifically, the protector body 1 and the protector boss 3 are communicated with each other.
Principle of operation
In the utility model, in order to ensure the working efficiency and the safety of the protector main body 1, the protective cover 133 can play a good protection role, the inclined position of the movable plate 131 can be adjusted by loosening the movable bolt and nut 132 to ensure the good lateral protection capability, the spacing between the dismounting tube 134 and the support rod 135 can be adjusted by loosening the thumb screw 136, or the dismounting maintenance can be carried out, finally the thumb screw 136 is locked to ensure the good protection effect, the external power supply is connected with the heat radiation fan 141, the external air is continuously sucked by the continuous action of the heat radiation fan 141, the cold air emitted from the cooling fins 143 inside the heat radiation hood 142 is blown into the dismounting seat 144, and the cold air is filtered by the ventilation net 145 and enters the protector main body 1 through the protector convex seat 3, the heat radiation can be carried out, so as to ensure the working stability of the protector main body 1, avoid overheated self damage problem that causes, but in real time observe the inside condition of protector main part 1 through observation board 153, through dismantling the inside bolt of mounting hole 151, can hand portable handle 155 and will maintain frame 152 and take off, can be convenient for clear up or maintain the inside device of protector main part 1, convenient operation can play good leakproofness through sealing strip 154, can avoid the dust to get into, guarantees the safety in utilization of protector main part 1.
Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.
Claims (10)
1. A backup protector for an inrush current protector convenient to maintain is characterized by comprising a protector main body (1), a lifting handle (2), a protector boss (3), a screw hole (4), a screw protection plug cap (5), a first connecting rope (6), a wiring hole protection plug cap (7), a second connecting rope (8), a protector wiring hole (9), a fastening screw (10), an installation clamping groove (11), an installation buckle (12), a movable adjusting protective cover structure (13), a detachable auxiliary heat dissipation protective machine structure (14) and an observable detachable maintenance plate structure (15), wherein the lifting handle (2) is respectively in screwed connection with the upper parts of the left end and the right end of the protector main body (1); the transverse lower part of the protector convex seat (3) is connected with the middle position of the upper part of the protector main body (1) through a bolt; the screw holes (4) are respectively and longitudinally arranged in the middle positions of the left part and the right part of the inner side of the upper part of the protector main body (1) and are far away from one end of the protector convex seat (3); the screw protection plug cap (5) is in threaded connection with the upper end of the screw hole (4); one end of the first connecting rope (6) is in screw connection with the screw protection plug cap (5), and the other end of the first connecting rope is in screw connection with the protector main body (1); the protector wiring holes (9) are respectively and transversely arranged in the middle positions of the left side and the right side of the interior of the protector main body (1); the wiring hole protection plug cap (7) is in threaded connection with the outer end of the protector wiring hole (9); one end of the second connecting rope (8) is in screwed connection with the wiring hole protection plug cap (7), and the other end of the second connecting rope is in screwed connection with the protector main body (1); the fastening screws (10) are respectively and longitudinally screwed inside the screw holes (4); the mounting clamping groove (11) is formed in the middle of the bottom of the protector main body (1); the mounting buckle (12) is transversely screwed on the left side of the bottom of the protector main body (1); the movable adjusting protective cover structure (13) is connected with the protector main body (1); the detachable auxiliary heat dissipation protector structure (14) is connected with the protector convex seat (3); the observable and detachable maintenance plate structure (15) is connected with the protector main body (1); the movable adjustable protective cover structure (13) comprises a movable plate (131), movable bolt nuts (132), a protective cover (133), a detachable pipe (134), a supporting rod (135) and wing-shaped screws (136), wherein the upper ends of the movable plate (131) are respectively installed at the left end and the right end of the interior of the protective cover (133) through the movable bolt nuts (132); the dismounting pipes (134) are respectively connected to the middle positions of the left side and the right side of the top of the inner side of the protective cover (133) through bolts at one longitudinal end, and the other end of each dismounting pipe is sleeved on the outer wall of the upper end of the support rod (135); the connecting part of the dismounting pipe (134) and the supporting rod (135) is in threaded connection with a wing-shaped screw (136).
2. The backup protector for the inrush current protector convenient for maintenance according to claim 1, wherein the detachable auxiliary heat dissipation protector structure (14) comprises a heat dissipation fan (141), a heat dissipation hood (142), a heat dissipation fin (143), a detaching seat (144), a ventilation net (145) and a detaching bolt (146), wherein the heat dissipation fan (141) is sequentially screwed at an upper inlet of the heat dissipation hood (142) from left to right; the radiating fins (143) are sequentially screwed in the radiator cover (142) from top to bottom in the transverse direction; the dismounting seat (144) is transversely bolted on the lower part of the radiator cover (142); the ventilation net (145) is transversely embedded at an inlet of the middle position in the dismounting seat (144); the quick-release bolts (146) are respectively arranged at the middle positions of the left side and the right side of the interior of the disassembly seat (144).
3. The backup protector for the inrush current protector convenient for maintenance according to claim 1, wherein the visual detachable maintenance plate structure (15) comprises mounting holes (151), a maintenance frame (152), a viewing plate (153), a sealing strip (154), a portable handle (155) and a handle mounting pad (156), wherein the mounting holes (151) are respectively opened at four corners inside the maintenance frame (152); the observation plate (153) is transversely embedded in the middle position inside the maintenance frame (152) in a sealing mode through a sealing strip (154); the portable handles (155) are respectively connected with the inner part between the handle mounting lining seats (156) in a shaft way; the handle mounting lining seats (156) are respectively connected to the upper and lower sides of the left part of the front surface of the maintenance frame (152) and the upper and lower sides of the right part of the front surface of the maintenance frame (152) through screws.
4. The backup protector for a surge protector facilitating maintenance according to claim 1, wherein the movable plate (131) is made of an aluminum alloy plate.
5. The backup protector for a surge protector facilitating maintenance according to claim 1, wherein the protection cover (133) is an aluminum alloy cover having an arc-shaped upper portion.
6. The backup protector for a surge protector convenient for maintenance according to claim 1, wherein the support rods (135) are respectively bolted at the lower longitudinal ends to the left and right sides of the upper portion of the protector main body (1).
7. The backup protector for the inrush current protector facilitating the maintenance as set forth in claim 2, wherein the heat dissipating fan (141) is a plurality of direct current heat dissipating fans rated at twelve volts.
8. The backup protector for an inrush current protector facilitating maintenance as set forth in claim 2, wherein the radiator cover (142) is an aluminum cover having a rectangular longitudinal section.
9. The backup protector for the inrush current protector facilitating maintenance as set forth in claim 2, wherein the heat radiating fins (143) are red copper condensing fins with a coolant therein.
10. The backup protector for a surge protector facilitating maintenance as claimed in claim 2, wherein said ventilation screen (145) is embodied by a rectangular stainless steel screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020232344.6U CN211529881U (en) | 2020-03-02 | 2020-03-02 | Backup protector for inrush current protector convenient to maintain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020232344.6U CN211529881U (en) | 2020-03-02 | 2020-03-02 | Backup protector for inrush current protector convenient to maintain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211529881U true CN211529881U (en) | 2020-09-18 |
Family
ID=72440755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020232344.6U Expired - Fee Related CN211529881U (en) | 2020-03-02 | 2020-03-02 | Backup protector for inrush current protector convenient to maintain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211529881U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112490080A (en) * | 2020-11-09 | 2021-03-12 | 电科北方智能电气有限公司 | Small-sized circuit breaker |
-
2020
- 2020-03-02 CN CN202020232344.6U patent/CN211529881U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112490080A (en) * | 2020-11-09 | 2021-03-12 | 电科北方智能电气有限公司 | Small-sized circuit breaker |
| CN112490080B (en) * | 2020-11-09 | 2023-12-22 | 电科北方智能电气有限公司 | Small-sized circuit breaker |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200918 |
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| CF01 | Termination of patent right due to non-payment of annual fee |