CN214798867U - Surge protector breaks away from mechanism - Google Patents
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- CN214798867U CN214798867U CN202120251958.3U CN202120251958U CN214798867U CN 214798867 U CN214798867 U CN 214798867U CN 202120251958 U CN202120251958 U CN 202120251958U CN 214798867 U CN214798867 U CN 214798867U
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- 238000002955 isolation Methods 0.000 description 5
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Abstract
The utility model discloses a surge protector release mechanism, including breaking away from the shell fragment, top pushing member and elastic component, the pin that breaks away from the shell fragment and sets up the overvoltage protection component in the protector main part passes through low temperature solder welded connection, the top pushing member is whole to be the slice, the top pushing member rotates to be connected in the protector main part, and the rotation plane that pushes up the piece is along the slice place plane that pushes up the piece, set up the elastic component between top pushing member and the protector main part, the elastic component is in energy storage state before the pin that breaks away from shell fragment and overvoltage protection component does not break off, and promote the top pushing member after the pin that breaks away from shell fragment and overvoltage protection component and rotate and then the top pushing member promotes the pin that breaks away from the shell fragment and keeps away from the overvoltage protection component. The utility model discloses compact structure, occupation space are little, are favorable to increasing overvoltage protection component's size in limited space, improve surge protector's through-flow capacity, satisfy miniaturized development demand.
Description
Technical Field
The utility model relates to an electrical protection technical field especially relates to a surge protector breaks away from mechanism.
Background
The surge protector is used for protecting the surge caused by the lightning effect and the like. The surge protector is arranged in a protected system, and when a surge is generated on a line in the system, the surge protector acts to limit transient overvoltage on the line and release surge current, so that various electronic and electric devices in the system are protected.
Generally surge protector is interior integrated to have set up overvoltage protection component and break away from the mechanism, utilize break away from the mechanism and prevent surge protector and appear damaging after the excess work, what current break away from the mechanism adopted is straight line sliding structure, it pushes away to break away from the shell fragment top along the activity of straight line slide rail usually to keep apart the ejector pad, and then guarantee the electrical isolation effect after the dropout, but the space that this kind of structure occupy is great, surge protector's whole volume is limited, and still develop towards miniaturized direction, the size that breaks away from the mechanism is too big then can lead to overvoltage protection component's size to reduce, and overvoltage protection component's size and surge protector performance are relevant very much, overvoltage protection component's size reduction then can lead to surge protector's discharge current ability to reduce, be difficult to satisfy application demand.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem and the technical task that provides improve prior art, provide a surge protector breaks away from mechanism, solve among the prior art surge protector and break away from mechanism and adopt sharp sliding construction, occupation space is big, influences the overvoltage protection component, influences the problem of surge protector through-flow capacity.
For solving the above technical problem, the technical scheme of the utility model is that:
the utility model provides a surge protector breaks away from mechanism, is including breaking away from shell fragment, top pushing member and elastic component, break away from the shell fragment setting in the protector main part and pass through low temperature solder welded connection with the overvoltage protection component's in the protector main part pin, the top pushing member whole be the slice, the top pushing member rotate to be connected in the protector main part to the rotation plane of top pushing member is along the slice place plane of top pushing member, set up the elastic component between top pushing member and the protector main part, the elastic component be in the energy storage state before the pin that breaks away from shell fragment and overvoltage protection component does not break off to release the energy storage after the pin that breaks away from shell fragment and overvoltage protection component breaks off the back and rotate and then top pushing member promotes the pin that breaks away from the shell fragment and keeps away from the overvoltage protection component. Surge protector breaks away from top that mechanism adopted and pushes away the piece and be the slice, and rotate along its slice place plane, it is compacter to push away required activity space of piece and practice thrift more, and can ensure to have sufficient range of motion, ensure to push away sufficient distance so that separate sufficient distance between the pin that breaks away from shell fragment and overvoltage protection component from the shell fragment, reach complete electrical isolation effect, under surge protector limited size, effectively reduce and break away from mechanism occupation space, then can effectively increase overvoltage protection component's size, and then improve surge protector's through-flow capacity, satisfy the requirement of various high performance indexes, satisfy miniaturized development demand.
Furthermore, the separation elastic sheet, the pushing piece and the elastic piece are respectively provided with two parts, and the separation elastic sheet is respectively connected with one pin of the overvoltage protection element through low-temperature solder in a welding mode. That is, surge protector has set up two release mechanisms, and overvoltage protection component can adopt the structure of multichannel protection, sets up a release mechanism respectively on each way and makes each all the way can prevent to appear damaging after the excess work, improves the protection performance, compact structure can not increase surge protector's volume when realizing multichannel protection.
Further, be provided with state indication portion on the ejecting piece, state indication portion and cover establish the state window that sets up on the outside shell of protector main part and cooperate, can be timely and accurate indicate surge protector's state when taking place to drop out, ensure that can be timely maintain the change, effective protective apparatus improves the safety in utilization, compact structure, occupy small, the part is small in quantity, easily assembly, the maintenance of being convenient for.
Furthermore, the state indicating part comprises a first indicating part and a second indicating part, the first indicating part is arranged on the first pushing part, the second indicating part is arranged on the second pushing part, the first indicating part and the second indicating part are matched with the same state window, the structure is compact, the observation is easy, the states of two separating mechanisms can be mastered through the same state window, and the timely maintenance and replacement can be ensured.
Furthermore, the first indication part comprises a normal mark and a first tripping mark which are adjacently arranged, the second indication part comprises a second tripping mark and a transparent part which are adjacently arranged, the first indication part, the second indication part and the state window are in a sequentially stacked position relationship, when the separation elastic sheet matched with the first pushing piece and the pin of the overvoltage protection element are not disconnected, the normal mark is opposite to the state window, and when the separation elastic sheet matched with the first pushing piece and the pin of the overvoltage protection element are disconnected, the first tripping mark is opposite to the state window; when the separation elastic sheet matched with the second pushing piece is not disconnected with the pin of the overvoltage protection element, the transparent part is over against the state window, and when the separation elastic sheet matched with the second pushing piece is disconnected with the pin of the overvoltage protection element, the second tripping mark is over against the state window. The states of the two separation mechanisms can be observed and known through the same state window, mutual interference influence is avoided, any separation mechanism or both separation mechanisms can be reliably and accurately displayed through the state window when tripping occurs, the situation of error indication is avoided, and timely and accurate maintenance and replacement are guaranteed.
Furthermore, the two separation spring pieces, the two pushing pieces and the two elastic pieces are symmetrically arranged on the protector main body respectively, so that the protector is compact in structure and easy to process and assemble.
Furthermore, two elastic components are connected into a whole, so that the stability is good, the installation is performed at one time, and the efficiency is improved.
Furthermore, still be provided with the telecommand portion that is used for triggering the telecommand switch on the ejecting piece, send the telecommand signal through the telecommand switch, realize whether remote monitoring breaks away from the mechanism and takes place the dropout, the long-range real-time monitoring signal surge protector's of being convenient for situation, the timely maintenance of being convenient for.
Furthermore, the elastic part is a torsion spring, so that the structure is simple, the occupied space is small, the use is convenient, and the cost is low.
Furthermore, break away from the shell fragment setting on the limit side of protector main part, the top pushes away the piece setting and rotates on the side adjacent with the limit side that breaks away from the shell fragment place and along this side, the top push away the piece and be connected with breaking away from the shell fragment, reasonable spatial layout, compact structure ensures the electrical isolation security after the dropout when reducing occupation space, prevents that surge protector from appearing damaging after the excess work.
Compared with the prior art, the utility model discloses the advantage lies in:
surge protector break away from mechanism compact structure, occupation space is little, reasonable overall arrangement, the electrical isolation security after can ensureing to trip is favorable to the size of increase overvoltage protection component in limited space, and then improves surge protector's through-flow capacity, satisfies various high performance index's requirement, satisfies miniaturized development demand.
Drawings
Fig. 1 is a schematic circuit diagram of a first surge protector;
fig. 2 is a schematic circuit diagram of a second surge protector;
fig. 3 is a schematic diagram of a third surge protector circuit configuration;
fig. 4 is a schematic diagram of a fourth surge protector circuit configuration;
fig. 5 is a schematic view of a surge protector housing;
fig. 6 is a schematic diagram of the internal structure of the surge protector
FIG. 7 is a schematic view of a first pusher;
FIG. 8 is a schematic view of a second pushing member;
FIG. 9 is a schematic view of the connection of two elastic members;
FIG. 10 is a schematic view of the two elastic members separated;
fig. 11 is a schematic view of a surge protector in a first state;
fig. 12 is a schematic view of a surge protector in a second state;
fig. 13 is a schematic view of a surge protector in a third state;
fig. 14 is a schematic diagram of a surge protector in a fourth state.
In the figure: a disengagement mechanism D; an overvoltage protection element F; separating from the elastic sheet 1; a leg 11; a pushing member 2; an elastic member 3; a protector main body 4; a status window 5; an indication part I6; a normal flag 61; a first trip mark 62; a second indicator portion 7; a second trip mark 71; a transparent portion 72; and a remote signaling part 8.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment of the utility model discloses a surge protector breaks away from mechanism, compact structure, occupation space are little, guarantee simultaneously that good breaking away from the protection effect, use the reliability high, satisfy miniaturized development demand.
As shown in fig. 1, a surge protector release mechanism mainly comprises a release spring 1, a pushing member 2 and an elastic member 3, the separation elastic sheet 1 is arranged on the protector main body 4 and is connected with the pin of the overvoltage protection element on the protector main body 4 through low-temperature solder welding, the pushing piece 2 is integrally flaky, the pushing piece 2 is rotationally connected to the protector main body 4, and the rotation plane of the pushing piece 2 is along the plane of the sheet of the pushing piece 2, an elastic piece 3 is arranged between the pushing piece 2 and the protector body 4, the elastic piece 3 is in an energy storage state before the elastic piece 1 is separated from the pin of the overvoltage protection element, and after the separation spring plate 1 is disconnected with the pin of the overvoltage protection element, the stored energy is released to push the pushing piece 2 to rotate, so that the pushing piece 2 pushes the separation spring plate 1 to be far away from the pin of the overvoltage protection element.
In this embodiment, the separation elastic sheet 1, the pushing member 2 and the elastic member 3 are respectively provided with two sets, that is, the separation mechanism is provided with two sets, and the separation elastic sheet 1 is respectively connected with one pin of the overvoltage protection element through low-temperature solder welding. The overvoltage protection element can be a multi-path protection structure, and the disconnection mechanisms are respectively arranged on different paths, so that each path can be prevented from being damaged after excessive work, as shown in fig. 1 to 3, the overvoltage protection element can be formed by combining components such as a piezoresistor, a gas discharge tube, a transient diode and the like, a surge protector adopting the disconnection mechanism can be applied to a single-phase three-wire power supply system and a direct-current power supply system, the scheme of only arranging one disconnection mechanism and the scheme of multiple disconnection mechanisms can be flexibly selected according to actual needs, the reliability of multi-path protection is improved, and other protection modes such as 1+1, 2+0, 3+0, 4+0 and 3+1 can be freely combined through a bus bar.
In this embodiment, the overvoltage protection element is of a multilayer gap type, and is composed of a plurality of discharge gaps and a trigger circuit. When the multilayer gap type overvoltage protection element does not act, the whole surge protection device is in a high-resistance state externally, and the operation of a protected line is not influenced. When a surge comes, a trigger circuit in the multilayer gap type overvoltage protection element triggers a discharge gap to be conducted, and finally the whole surge protector is in a low-resistance state outwards, so that surge energy is released.
The multilayer gap type overvoltage protection element comprises n discharge gaps and n-1 trigger circuits, wherein n is larger than or equal to 2 and is an integer, the n discharge gaps are sequentially connected between a first terminal and a second terminal in series, the first terminal and the second terminal are led out to serve as pins for working of the gap assembly 1, common ends of the n-1 adjacent discharge gaps are arranged between the adjacent discharge gaps, one end of each trigger circuit of the n-1 trigger circuits is sequentially connected with the common ends of the n-1 adjacent discharge gaps, and the other end of each trigger circuit is connected with the second terminal, so that the multilayer gap structure is integrally formed. The discharge gap can be a gap formed by a gas discharge tube and a graphite electrode or a gap formed by a metal electrode, the gap can be an open type or a closed type, and the gap can also be a combination of the gap and devices such as a capacitor, a resistor container, a piezoresistor, an inductor, a thermistor, a transient suppression diode, a fuse and the like. The trigger circuit may be at least a capacitor, or a combination of a capacitor and a resistor (combined into a resistor-capacitor), a varistor, an inductor, a thermistor, a transient suppression diode, an air gap, a gas discharge tube, and a fuse, wherein the resistor-capacitor is formed by connecting a resistor and a capacitor in parallel. The capacitance of the capacitor in the trigger circuit is 100 PF-100 nF, preferably 500 PF-3 nF, the withstand voltage is 100V-10 kV, the resistance value of the resistor is 10k omega-200M omega, preferably 500k omega-20M omega, and the power is 1/8W-10W.
Specifically, as shown in fig. 4, pins at two ends of the multilayer gap type overvoltage protection element are respectively connected with the first electrode and the second electrode arranged on the protector main body through a separation mechanism, a third pin is led out from the interior of the multilayer gap type overvoltage protection element, the third pin is connected with a third electrode arranged on the protector main body, and the third pin is led out from the common end of i discharge gaps.
In this embodiment, as shown in fig. 6, the protector main body 4 is substantially a rectangular parallelepiped structure, the detachment elastic sheet 1 is disposed on the side face of the protector main body 4 with a narrower width, and the detachment elastic sheet 1 is symmetrically disposed one on each of two opposite side faces of the protector main body 4, the pushing member 2 is disposed on the side face adjacent to the side face where the detachment elastic sheet 1 is located and rotates along the side face, the sheet pushing member 2 is attached to the side face, the structure is compact, the occupied space is small, a hole is formed in the middle of the pushing member 2, the protector main body 4 is provided with a mounting post, the hole of the pushing member 2 is sleeved on the mounting post to rotatably connect the pushing member 2 to the protector main body 4, the pushing member 2 is further connected to the detachment elastic sheet 1, specifically, the detachment elastic sheet 1 is provided with a support leg 11, the support leg 11 is bent from the side face where the detachment elastic sheet 1 is located to the side face where the pushing member 2 is located, stabilizer blade and top pusher 2 fixed connection, can play fixed spacing effect to top pusher 2, avoid top pusher 2 pine to take off and drop or the situation that the incline appears, also ensure simultaneously that top pusher 2 can be reliable play the top effect of pushing away from shell fragment 1, ensure to break away from the pin disconnection back of shell fragment 1 and overvoltage protection component, elastic component 3 releases the energy storage and promotes top pusher 2 and rotates, then top pusher 2 can reliable promotion break away from the pin that shell fragment 1 kept away from the overvoltage protection component, make and reach sufficient electrical isolation distance between the pin that breaks away from shell fragment 1 and overvoltage protection component, guarantee protection effect, prevent that overvoltage protection component overrated work from appearing damaging.
The two pushing pieces 2 are arranged on the same side face of the protector main body 4, so that the rotating planes of the two pushing pieces 2 are in the same plane, the two pushing pieces 2 are symmetrically arranged, and the rotating directions of the two pushing pieces 2 after the separation elastic sheet 1 is disconnected with the pin of the overvoltage protection element are opposite; the two elastic members 3 are symmetrically arranged on the protector main body 4, specifically, as shown in fig. 9 and 10, the elastic members 3 are torsion springs, and the two torsion springs can be connected into a whole, so that the assembly is convenient.
In order to indicate the working state of the surge protector in time, as shown in fig. 5 to 8, a state indicating part is arranged on the pushing part 2, the state indicating part is matched with a state window 5 arranged on a shell sleeved outside the protector main body 4, and the pushing part 2 moves after a pin separated from the elastic sheet 1 and the overvoltage protection element is disconnected, so that the state indicating part is displaced, and the state window 5 displays different state indicating parts.
In this embodiment, the status indication part comprises a first indication part 6 and a second indication part 7, the first indication part 6 is arranged on the first pushing member 2, the second indication part 7 is arranged on the second pushing member 2, a status window 5 can be provided for each of the first indicator portion 6 and the second indicator portion 7 to cooperate therewith, in this embodiment, the first indicator portion 6 and the second indicator portion 7 are matched with the same status window 5, specifically, the first indicating part 6 comprises a normal mark 61 and a first tripping mark 62 which are adjacently arranged, the normal mark 61 is green and represents that the surge protector is in a normal working state, namely, the separation shrapnel 1 is in a good connection state with the pin of the overvoltage protection element, and the tripping mark I62 is red, which represents the abnormal working state of the surge protector, namely, the separation shrapnel 1 is separated from the pin of the overvoltage protection element; the second indication part 7 comprises a second trip mark 71 and a transparent part 72 which are adjacently arranged, the second trip mark 71 is red, the transparent part 72 can be a hollow area or can be made of a transparent material, so that the part below the transparent part 72 can be seen through the transparent part 72, the first indication part 6, the second indication part 7 and the state window 5 are in a sequentially stacked position relationship, the state window 5 is in a fixed position state, and the first indication part 6 and the second indication part 7 move along with the pushing piece 2, so that different states can be displayed in the state window 5;
specifically, when the separation elastic sheet 1 matched with the first pushing piece 2 is not disconnected with the pin of the overvoltage protection element, the normal mark 61 is opposite to the state window, and when the separation elastic sheet 1 matched with the first pushing piece 2 is disconnected with the pin of the overvoltage protection element, the first tripping mark 62 is opposite to the state window; when the separation shrapnel 1 matched with the second pushing piece 2 is not disconnected with the pin of the overvoltage protection element, the transparent part 72 is over against the state window, and when the separation shrapnel 1 matched with the second pushing piece 2 is disconnected with the pin of the overvoltage protection element, the second tripping mark 71 is over against the state window.
After the arrangement is adopted, the states displayed by the state windows correspond to the working states of the surge protectors one by one, the first state is as shown in fig. 11, the two separation spring pieces 1 are not disconnected with the pins of the overvoltage protection elements, namely, the surge protectors are in the normal working states, so that the first pushing piece 2 and the second pushing piece 2 are not displaced, the normal mark 61 is opposite to the state windows at the moment, the transparent parts 72 are opposite to the state windows, the normal mark 61 is positioned below the transparent parts 72, the normal mark 61 is observed from the state windows, namely, the state is green, and the states displayed by the state windows correspond to the normal working states of the surge protectors;
the second state is as shown in fig. 12, when the separation shrapnel 1 matched with the first pushing piece 2 is disconnected with the pin of the overvoltage protection element, and the separation shrapnel 1 matched with the second pushing piece 2 is not disconnected with the pin of the overvoltage protection element, the indication part one 6 is displaced along with the first pushing piece 2, so that the first tripping mark 62 is opposite to the state window, the first tripping mark 62 is positioned below the transparent part 72, the first tripping mark 62 is observed from the state window, namely, red, and the state displayed by the state window at this time corresponds to the abnormal working state of the surge protector;
in the third state, as shown in fig. 13, when the separation spring sheet 1 matched with the first pushing member 2 is not disconnected from the pin of the overvoltage protection element and the separation spring sheet 1 matched with the second pushing member 2 is disconnected from the pin of the overvoltage protection element, the second indicating portion 7 is displaced along with the second pushing member 2, so that the second trip mark 71 is opposite to the state window, at this time, the normal mark 61 is located below the second trip mark 71, the second trip mark 71 is observed from the state window, namely, the color is red, and the state displayed by the state window at this time corresponds to the abnormal working state of the surge protector;
in the fourth state, as shown in fig. 14, when both the separation shrapnel 1 and the pin of the overvoltage protection element are disconnected, the first indication part 6 is displaced along with the first pushing member 2, and the second indication part 7 is displaced along with the second pushing member 2, so that the first trip mark 62 is directly opposite to the state window, the second trip mark 71 is directly opposite to the state window, the first trip mark 62 is located below the second trip mark 71, the second trip mark 71 is observed from the state window, namely, red, and the state displayed by the state window corresponds to the abnormal working state of the surge protector.
As shown in fig. 6, still be provided with the remote signaling portion 8 that is used for triggering the remote signaling switch on the ejector 2, the remote signaling switch can be integrated on protector main part 4, also can set up on the base with protector main part 4 matched with, in this embodiment, the remote signaling switch specifically sets up on the base with protector main part 4 matched with to the ejector 2 extends protector main part 4 in order to constitute remote signaling portion 8 to the base place direction, remote signaling portion 8 takes place the displacement along with the removal of ejector 2, thereby can carry out the touch-control to the remote signaling switch, realize the function of remote monitoring surge protector state.
The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and enhancements can be made without departing from the spirit and scope of the invention, and such modifications and enhancements are intended to be within the scope of the invention.
Claims (10)
1. The surge protector separation mechanism is characterized by comprising a separation elastic sheet (1), a pushing piece (2) and an elastic piece (3), wherein the separation elastic sheet (1) is arranged on a protector main body (4) and is connected with a pin of an overvoltage protection element on the protector main body (4) through low-temperature solder welding, the pushing piece (2) is integrally flaky, the pushing piece (2) is rotatably connected onto the protector main body (4), a rotating plane of the pushing piece (2) is located along a flaky plane of the pushing piece (2), the elastic piece (3) is arranged between the pushing piece (2) and the protector main body (4), the elastic piece (3) is in an energy storage state before the pin which is separated from the elastic sheet (1) and the overvoltage protection element is not disconnected, and after the pin which is separated from the elastic sheet (1) and the overvoltage protection element is disconnected, energy storage is released to push the pushing piece (2) to rotate so as to push the pushing piece (2) to be separated from the elastic sheet (1) and push the elastic sheet (1) to be far away Away from the pins of the overvoltage protection components.
2. A surge protector release mechanism according to claim 1, wherein there are two release clips (1), two pushing members (2) and two elastic members (3), and the release clips (1) are connected to one of the pins of the overvoltage protection element by soldering with low temperature solder.
3. A surge arrester release mechanism according to claim 2, wherein the ejector (2) is provided with a status indicator that fits into a status window provided in a housing that is fitted around the exterior of the arrester main body (4).
4. A surge protector release mechanism according to claim 3, wherein the status indicator portion comprises a first indicator portion (6) and a second indicator portion (7), the first indicator portion (6) is provided on the first pusher (2), the second indicator portion (7) is provided on the second pusher (2), and the first indicator portion (6) and the second indicator portion (7) are fitted to the same status window.
5. The surge protector release mechanism of claim 4, wherein the first indicator (6) comprises a normal mark (61) and a first trip mark (62) which are adjacently arranged, the second indicator (7) comprises a second trip mark (71) and a transparent portion (72) which are adjacently arranged, the first indicator (6), the second indicator (7) and the status window are in a sequentially stacked position relationship, when the release spring (1) matched with the first pushing member (2) is not disconnected from the pin of the overvoltage protection element, the normal mark (61) is opposite to the status window, and when the release spring (1) matched with the first pushing member (2) is disconnected from the pin of the overvoltage protection element, the first trip mark (62) is opposite to the status window; when the separation elastic sheet (1) matched with the second pushing piece (2) is not disconnected with the pin of the overvoltage protection element, the transparent part (72) is over against the state window, and when the separation elastic sheet (1) matched with the second pushing piece (2) is disconnected with the pin of the overvoltage protection element, the second tripping mark (71) is over against the state window.
6. A surge protector release mechanism according to claim 2, wherein the two release springs (1), the two urging members (2), and the two elastic members (3) are symmetrically provided on the protector main body (4), respectively.
7. A surge arrester release mechanism according to claim 2, wherein the two resilient members (3) are integrally connected.
8. A surge protector release mechanism according to any of claims 1 to 7, wherein the ejector (2) is further provided with a telecommand portion (8) for activating a telecommand switch.
9. A surge protector release mechanism according to any of claims 1 to 7, wherein the resilient member (3) is a torsion spring.
10. A surge protector release mechanism according to any of claims 1 to 7, wherein the release spring (1) is provided on a side surface of the protector body (4), the urging member (2) is provided on and rotates along a side surface adjacent to the side surface where the release spring (1) is provided, and the urging member (2) is connected to the release spring (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120251958.3U CN214798867U (en) | 2021-01-28 | 2021-01-28 | Surge protector breaks away from mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120251958.3U CN214798867U (en) | 2021-01-28 | 2021-01-28 | Surge protector breaks away from mechanism |
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| CN214798867U true CN214798867U (en) | 2021-11-19 |
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| CN202120251958.3U Active CN214798867U (en) | 2021-01-28 | 2021-01-28 | Surge protector breaks away from mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114675058A (en) * | 2022-05-30 | 2022-06-28 | 合肥航太电物理技术有限公司 | Protection device of auxiliary assembly in general type thunder and lightning indirect effect is experimental |
-
2021
- 2021-01-28 CN CN202120251958.3U patent/CN214798867U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114675058A (en) * | 2022-05-30 | 2022-06-28 | 合肥航太电物理技术有限公司 | Protection device of auxiliary assembly in general type thunder and lightning indirect effect is experimental |
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