CN210272231U - Surge backup protector - Google Patents
Surge backup protector Download PDFInfo
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- CN210272231U CN210272231U CN201921116501.0U CN201921116501U CN210272231U CN 210272231 U CN210272231 U CN 210272231U CN 201921116501 U CN201921116501 U CN 201921116501U CN 210272231 U CN210272231 U CN 210272231U
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- rod
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- contact rod
- circuit module
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Abstract
The utility model provides a surge backup protector, include: a housing; a circuit module; the electromagnetic release is provided with an ejector rod; the ejector rod resetting piece is pivoted on the shell and is matched with the ejector rod in position; the operating mechanism comprises a base frame which is pivoted on the shell in a resettable manner; the conductive system comprises a wiring assembly, a main guide wire, a movable contact rod assembly and a static contact rod assembly, wherein the wiring assembly, the main guide wire, the movable contact rod assembly and the static contact rod assembly are sequentially connected, the static contact rod assembly is in contact fit with the movable contact rod assembly, an iron core assembly is arranged at the periphery of the main guide wire, the iron core assembly is in communication connection with an input end of a circuit module through the mutual inductance assembly, and the movable contact rod assembly is in transmission fit. The utility model discloses not only can realize conducting system zero clearance, zero electric arc and through the function of instantaneous high frequency heavy current, can reach the technical requirement who cuts off power frequency current moreover, the incomplete pressure is low, long service life.
Description
Technical Field
The utility model relates to a surge protective apparatus field especially relates to a surge backup protector.
Background
Lightning disasters are one of the most serious natural disasters, and casualties and property losses caused by the lightning disasters are countless every year all over the world. With the large application of electronic and microelectronic integrated equipment, the damage of lightning overvoltage and lightning electromagnetic pulse to systems and equipment is more and more. The surge protector is used for restraining surge and instantaneous overvoltage on a line and overcurrent on a bleeder line, and the surge protector is one of important links of modern lightning protection technology.
The surge backup protector (namely the backup protector for the surge protector) is suitable for places (such as civil buildings, electrical power stations, communication bases, traffic roads, petrochemical plants and the like) provided with lightning protection equipment such as the Surge Protector (SPD), can eliminate fire hazards caused by deterioration of the surge protector and power grid faults, solves the problem of failure of the surge protector caused by lightning, and ensures that the surge protector does not catch fire and the lightning protection function is continuously and effectively; meanwhile, the problem of a protection blind area caused by using a fuse or a breaker as an external disconnector is effectively solved.
However, the existing surge backup protectors in the market have the problems of high residual voltage and short service life.
SUMMERY OF THE UTILITY MODEL
In view of the above prior art's shortcoming, the to-be-solved technical problem of the utility model is to provide a surge backup protector, not only can realize conducting system zero clearance, zero electric arc and through the function of instantaneous high frequency heavy current, can reach the technical requirement who cuts off power frequency electric current moreover, the residual voltage is low, long service life.
In order to solve the technical problem, the utility model provides a surge backup protector, include:
a housing;
the circuit module has the functions of energy absorption, rectification, filtering and time delay, and is arranged on the shell;
the electromagnetic release is in communication connection with the output end of the circuit module and is provided with a mandril;
the ejector rod resetting piece is pivoted on the shell and is matched with the ejector rod in position;
the operating mechanism comprises a base frame which is pivoted on the shell in a resettable manner, a jump buckle which is pivoted on the base frame and is in linkage fit with a handle, a lock catch which is pivoted on the base frame in a resettable manner and is in buckle fit with the jump buckle, and a transmission rod which is arranged on the base frame, wherein one side of the base frame, which faces the ejector rod resetting piece, is provided with an ejecting part which forces the ejector rod to retract to the original position through the ejector rod resetting piece;
the conductive system comprises a wiring component, a main conductor, a movable contact rod component and a static contact rod component which can be in contact fit with the movable contact rod component, wherein the wiring component, the main conductor, the movable contact rod component and the static contact rod component are sequentially connected;
when the handle is positioned at the switching-on position and the conducting system is invaded by thunder or instantaneous abnormal heavy current, a pulse induction signal generated by the iron core component is transmitted to the circuit module through the mutual inductance component, and the circuit module outputs a signal for enabling the electromagnetic release to act; when the handle is located the closing position and the conducting system flows in the power frequency current which is not less than the preset current intensity, the pulse induction signal generated by the iron core assembly is transmitted to the circuit module through the mutual inductance assembly, the circuit module outputs a signal which enables the ejector rod to pop out and impact the ejector rod reset piece, the lock catch and the jump catch slip under the impact of the ejector rod reset piece, and the transmission rod moves to the original position along with the base frame, so that the touch rod assembly is separated from the static contact rod assembly.
Preferably, the main conductor is connected with the movable contact rod assembly through a soft connector.
Preferably, the wiring assembly includes a wiring holder connected to the main wiring, a wiring board connected to the wiring holder, and a wiring screw threadedly engaged with the wiring board.
Preferably, the movable contact rod assembly comprises a movable contact rod and a separating brake spring, the movable contact rod comprises a first rod part, a rotating fit part and a second rod part which are sequentially connected, the rotating fit part is pivoted on the shell, the first rod part is driven by the transmission rod to rotate, one end, far away from the rotating fit part, of the second rod part is provided with a movable contact matched with the static contact rod assembly in a contact mode, and two ends of the separating brake spring are respectively connected with the second rod part and the shell.
Preferably, the surge backup protector further comprises an arc isolation plate, one end of the arc isolation plate in the length direction is movably connected with the transmission rod, and the arc isolation plate can be driven by the transmission rod to be arranged on a slide way in the shell in a sliding mode; when the movable contact rod assembly does not contact the static contact rod assembly, the arc isolating plate is positioned between the movable contact rod assembly and the static contact rod assembly.
Preferably, a shield case is provided at the periphery of the electromagnetic release.
Preferably, the push rod returning piece is made of elastic material.
Preferably, the surge backup protector further comprises a transmission connecting rod, one end of the transmission connecting rod is inserted into the connecting hole of the handle, the other end of the transmission connecting rod is inserted into the connecting hole of the jump buckle, and the transmission connecting rod stretches across the ejector rod reset piece.
Preferably, the circuit module includes a printed circuit board, and a resistor, a diode, an inductor, and a capacitor are disposed on the printed circuit board.
Preferably, the mutual inductance assembly comprises a signal induction coil and a signal amplification coil which are coupled, the signal induction coil is coupled with the iron core assembly, and the signal amplification coil is coupled with the circuit module.
As above, the utility model discloses a surge backup protector has following beneficial effect: when the handle is in the brake separating position, the ejector rod of the electromagnetic release is in a retraction state, and the ejector rod resetting piece and the pushing part of the base frame are tightly attached to each other; one end of the transmission rod, which is far away from the base frame, does not drive the movable contact rod component to be contacted with the fixed contact rod component. At this point, the conductive system is in an open state. In the switching-on process of the handle from the switching-off position to the switching-on position, because the latch is connected with the tripping buckle and the latch cannot rotate clockwise relative to the base frame, along with the clockwise rotation of the handle, the base frame rotates clockwise relative to the shell, the ejector rod reset piece is separated from the ejector pushing part, the transmission rod moves along with the base frame, and one end, far away from the base frame, of the transmission rod drives the movable contact rod component to be in contact with the static contact rod component. At this point, the conductive system is in an open state. Finally, referring to the figure, when the handle is located at the switching-on position and the conducting system is invaded by thunder or instantaneous abnormal large current, the conducting system is in a conducting state because the movable contact rod assembly and the fixed contact rod assembly are in a normally closed state, and the thunder or instantaneous large current flows into the ground after sequentially flowing through the wiring assembly, the main conductor, the movable contact rod assembly and the fixed contact rod assembly. The pulse induction signal generated by the iron core component is transmitted to the circuit module through the mutual inductance component, the circuit module carries out a series of processing steps such as rectification, energy absorption, filtering, delayed discharge and the like on the pulse induction signal, and finally the circuit module outputs a signal which enables the electromagnetic release to be in an action state, namely an ejector rod of the electromagnetic release is continuously kept in a retraction state, so that the functions of no gap, zero electric arc and passing of instantaneous high-frequency heavy current of a conductive system are realized; when the handle is located the closing position and the conducting system flows in the power frequency current which is not less than the preset current intensity, the pulse induction signal generated by the iron core assembly is transmitted to the circuit module through the mutual inductance assembly, the circuit module outputs a signal which enables the ejector rod to pop out and impact the ejector rod reset piece, the lock catch and the jump catch slip under the impact of the ejector rod reset piece, the transmission rod moves to the original position along with the base frame, the movable contact rod assembly is separated from the static contact rod assembly, and therefore the technical requirement of cutting off the power frequency current is met. In addition, the transmission rod of the operating mechanism is in transmission fit with the movable contact rod assembly, so that the operation mechanism is stable and reliable, and the phenomenon of sliding and buckling is avoided; meanwhile, the tripping force between the lock catch and the jump catch is moderate, and the lock catch and the jump catch can be easily disengaged and unlocked under the action of the ejector rod of the electromagnetic trip. Therefore, the utility model discloses a surge backup protector not only can realize conducting system zero clearance, zero electric arc and through the function of instantaneous high frequency heavy current, can reach the technical requirement who cuts off the power frequency electric current moreover, and the residual voltage is low, long service life.
Drawings
Fig. 1 shows a switching-off state diagram of the surge backup protector of the present invention;
fig. 2 shows a dynamic and static contact state diagram of the switching-on process of the surge backup protector of the utility model;
fig. 3 shows a switching-on state diagram of the surge backup protector of the present invention;
fig. 4 shows a schematic view of the moving contact rod.
Description of the element reference numerals
1 casing
2 electromagnetic release
21 ejector pin
22 shield case
3 ejector pin piece that resets
4 handle
5 operating mechanism
51 base frame
511 pushing part
52 jump buckle
53 hasp
54 drive link
6 circuit module
7 conductive system
71 wiring assembly
711 wire holder
712 terminal block
713 binding screw
72 main conductor
73 moving contact rod assembly
731 movable contact rod
731a first lever part
731b running-fit part
731c second lever part
731d moving contact
732 opening spring
74 stationary contact rod assembly
75 iron core assembly
76 soft connecting piece
8 flash barrier
9 drive connecting rod
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
It should be understood that the structures, ratios, sizes, etc. shown in the drawings of the present specification are only used for matching with the contents disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any modification of the structures, changes of the ratio relationship, or adjustment of the sizes should still fall within the scope covered by the technical contents disclosed in the present invention without affecting the efficacy and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
The left-right direction in fig. 1, 2, and 3 is defined as the left-right direction, and the a rotation direction shown in fig. 2 is defined as the clockwise direction.
As shown in fig. 1, fig. 2 and fig. 3, the utility model provides a surge backup protector, include:
a housing 1;
the circuit module 6 has the functions of energy absorption, rectification, filtering and time delay, and the circuit module 6 is arranged on the shell 1;
the electromagnetic release 2 is in communication connection with the output end of the circuit module 6, and the electromagnetic release 2 is provided with a mandril 21;
the ejector rod resetting piece 3 is pivoted on the shell 1, and the ejector rod resetting piece 3 is matched with the ejector rod 21 in position;
the operating mechanism 5, the operating mechanism 5 includes the basic frame 51 that can reset and pivotally set up on the body 1, the jump buckle 52 that pivotally set up on the basic frame 51 and cooperates with a hand grip 4 in a linkage way, can reset and pivotally set up on the basic frame 51 and jump buckle 53 that 52 snap-fits, and the drive link 54 set up on the basic frame 51, one side of the basic frame 51 towards the reset piece 3 of the push rod has the top push portion 511 forcing the push rod 21 to retract to the home position through the reset piece 3 of the push rod;
the conductive system 7, the conductive system 7 includes the wiring assembly 71, main conductor 72, moving contact rod assembly 73 and can contact the stationary contact rod assembly 74 that cooperates with moving contact rod assembly 73 that connect sequentially, there is core assembly 75 in the periphery of the main conductor 72, the core assembly 75 communicates with input end of the circuit module 6 through the mutual inductance assembly, the moving contact rod assembly 73 cooperates with drive rod 54 transmission;
when the handle 4 is located at the switching-on position and the conducting system 7 is invaded by thunder or instantaneous abnormal large current, the pulse induction signal generated by the iron core assembly 75 is transmitted to the circuit module 6 through the mutual inductance assembly, and the circuit module 6 outputs a signal for enabling the electromagnetic release 2 to act; when the handle 4 is located at the switching-on position and the conductive system 7 flows in the power frequency current which is not less than the preset current intensity, the pulse induction signal generated by the iron core assembly 75 is transmitted to the circuit module 6 through the mutual inductance assembly, the circuit module 6 outputs a signal which enables the ejector rod 21 to pop out to impact the ejector rod reset piece 3, the lock buckle 53 and the jump buckle 52 slip off under the impact of the ejector rod reset piece 3, the transmission rod 54 moves to the original position along with the base frame 51, and the touch rod assembly 73 is separated from the static contact rod assembly 74.
In the present invention, referring to fig. 1, when the handle 4 is in the brake separating position, the ejector 21 of the electromagnetic release 2 is in the retracted state, and the ejector resetting member 3 and the pushing portion 511 of the base frame 51 are closely attached to each other; the end of the drive link 54 remote from the base frame 51 does not urge the movable contact lever assembly 73 into contact with the stationary contact lever assembly 74. At this time, the conductive system 7 is in an open state. Referring to fig. 2 again, during the closing process of the handle 4 from the opening position to the closing position, since the latch 53 is in snap-fit connection with the trip latch 52 and the latch 53 cannot rotate clockwise with respect to the base frame 51, as the handle 4 rotates clockwise, the base frame 51 rotates clockwise with respect to the housing 1, the plunger reset piece 3 and the pushing portion 511 are separated from each other, the transmission rod 54 moves with the base frame 51, and one end of the transmission rod 54 away from the base frame 51 drives the movable contact rod assembly 73 to contact with the stationary contact rod assembly 74. At this time, the conductive system 7 is in an open state. Finally, referring to fig. 3, when the handle 4 is in the closing position and the conducting system 7 is invaded by lightning or instantaneous abnormal large current, since the moving contact bar assembly 73 and the fixed contact bar assembly 74 are in the normally closed state, the conducting system 7 is in the conducting state, and the lightning or instantaneous large current flows into the ground after sequentially flowing through the wiring assembly 71, the main conductor 72, the moving contact bar assembly 73 and the fixed contact bar assembly 74. A pulse induction signal generated by the iron core assembly 75 (for example, the iron core assembly 75 includes an ultra-microcrystalline iron core) is transmitted to the circuit module 6 through the mutual inductance assembly, the circuit module 6 performs a series of processing steps such as rectification, energy absorption, filtering, time-delay discharge and the like on the pulse induction signal, and finally the circuit module 6 outputs a signal for enabling the electromagnetic release 2 to be in an inactive state, namely the ejector rod 21 of the electromagnetic release 2 is continuously kept in a retraction state, so that the functions of no gap, zero arc and passing of instantaneous high-frequency large current of the conductive system 7 are realized; when the handle 4 is located at the switching-on position and the conductive system 7 flows in the power frequency current with the current intensity not less than the preset current intensity (for example, the preset current intensity is 1 ampere), the pulse induction signal generated by the iron core assembly 75 is transmitted to the circuit module 6 through the mutual inductance assembly, the circuit module 6 outputs a signal which enables the ejector rod 21 to pop out to impact the ejector rod reset element 3, the lock catch 53 and the trip catch 52 slip off under the impact of the ejector rod reset element 3, and the transmission rod 54 moves to the original position along with the base frame 51, so that the touch rod assembly 73 is separated from the static touch rod assembly 74, and the technical requirement of cutting off the power frequency current is met. In addition, the transmission rod 54 of the operating mechanism 5 is in transmission fit with the movable contact rod assembly 73, so that the operation is stable and reliable, and the phenomenon of sliding and buckling is avoided; meanwhile, the tripping force between the lock catch 53 and the jump buckle 52 is moderate, and the lock catch 53 and the jump buckle 52 can be easily separated and unlocked under the action of the ejector rod 21 of the electromagnetic release 2. Therefore, the utility model discloses a surge backup protector not only can realize conducting system 7 zero clearance, zero electric arc and through the function of instantaneous high frequency heavy current, can reach the technical requirement who cuts off the power frequency electric current moreover, and the residual voltage is low, long service life.
Since the moving state of the movable contact bar assembly 73 is changed, the main conductor 72 is connected to the movable contact bar assembly 73 through the soft connector 76.
To facilitate the series connection with the surge protector, the above-described wiring member 71 includes a wiring holder 711 connected to the main conductor 72, a wiring board 712 connected to the wiring holder 711, and a wiring screw 713 screw-engaged with the wiring board 712.
In order to realize the transmission matching between the transmission rod 54 and the movable contact rod assembly 73, the movable contact rod assembly 73 includes a movable contact rod 731 and a tripping spring 732, the movable contact rod 731 includes a first rod portion 731a, a rotation matching portion 731b and a second rod portion 731c, which are connected in sequence, the rotation matching portion 731b is pivoted on the housing 1, the first rod portion 731a is driven by the transmission rod 54 to rotate, one end of the second rod portion 731c, which is far away from the rotation matching portion 731b, is provided with a movable contact 731d in contact matching with the fixed contact rod assembly 74, and two ends of the tripping spring 732 are respectively connected with the second rod portion 731c and the housing 1.
The surge backup protector further comprises an arc isolating plate 8, one end of the arc isolating plate 8 in the length direction is movably connected with the transmission rod 54, and the arc isolating plate 8 can be driven by the transmission rod 54 to be arranged on a slide way in the shell 1 in a sliding mode; when the movable contact rod assembly 73 does not contact the stationary contact rod assembly 74, the arc barrier 8 is located between the movable contact rod assembly 73 and the stationary contact rod assembly 74. The setting of flash barrier 8 is in the utility model discloses in play important role, not only cut off electric arc when movable contact rod subassembly 73 and stationary contact rod subassembly 74 separate, make electric arc extinguish fast, can also be located when separating floodgate position at handle 4 for creepage distance between movable contact rod subassembly 73 and the stationary contact rod subassembly 74 increases, avoids the large voltage to puncture.
The shielding cover 22 is arranged at the periphery of the electromagnetic trip 2, and the electromagnetic trip 2 is not interfered by an electric field and a magnetic field generated by a large current flowing through the main conducting wire 72 due to the use of the shielding cover 22, so that the hidden trouble of misoperation of the electromagnetic trip 2 is eliminated.
The ram return 3 is made of an elastic material such as beryllium copper or phosphor copper. The ejector rod resetting piece 3 is made of beryllium bronze material with high elasticity, and is simple in design structure, low in cost and beneficial to automatic production.
The surge backup protector further comprises a transmission connecting rod 9, one end of the transmission connecting rod 9 is inserted into the connecting hole of the handle 4, the other end of the transmission connecting rod 9 is inserted into the connecting hole of the jump buckle 52, and the transmission connecting rod 9 stretches across the ejector rod reset piece 3.
The circuit module 6 comprises a printed circuit board, and a resistor, a diode, an inductor and a capacitor are arranged on the printed circuit board, so that the circuit module 6 has the functions of energy absorption, rectification, filtering, time delay and the like.
Finally, the mutual inductance assembly comprises a signal induction coil and a signal amplification coil which are coupled with each other, the signal induction coil is coupled with the iron core assembly 75, and the signal amplification coil is coupled with the circuit module 6.
To sum up, the utility model discloses a surge backup protector not only can realize conducting system zero clearance, zero electric arc and through the function of instantaneous high frequency heavy current, can reach the technical requirement who cuts off power frequency current moreover, and the residual voltage is low, long service life. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. A surge backup protector, comprising:
a housing (1);
the circuit module (6) has the functions of energy absorption, rectification, filtering and time delay, and the circuit module (6) is arranged on the shell (1);
the electromagnetic release (2), the electromagnetic release (2) is connected with the output end of the circuit module (6) in a communication way, and the electromagnetic release (2) is provided with a mandril (21);
the ejector rod resetting piece (3), the ejector rod resetting piece (3) is pivoted on the shell (1) and is matched with the ejector rod (21) in position;
the operating mechanism (5) comprises a base frame (51) which is pivoted on the shell (1) in a resettable manner, a jump buckle (52) which is pivoted on the base frame (51) and is in linkage fit with the handle (4), a lock catch (53) which is pivoted on the base frame (51) in a resettable manner and is in snap fit with the jump buckle (52), and a transmission rod (54) which is arranged on the base frame (51), wherein one side of the base frame (51) facing the ejector rod resetting piece (3) is provided with a pushing part (511) which forces the ejector rod (21) to retract to the original position through the ejector rod resetting piece (3);
the conductive system (7), the conductive system (7) includes the wiring assembly (71), main conductor (72), moving contact rod assembly (73) and can contact the stationary contact rod assembly (74) that cooperates with moving contact rod assembly (73) that connect sequentially, there are core assemblies (75) in the periphery of the main conductor (72), the core assembly (75) communicates with input end of the circuit module (6) through the mutual inductance assembly, the moving contact rod assembly (73) cooperates with drive link (54) transmission;
when the handle (4) is positioned at the switching-on position and the conducting system (7) is invaded by thunder or instantaneous abnormal large current, the pulse induction signal generated by the iron core assembly (75) is transmitted to the circuit module (6) through the mutual inductance assembly, and the circuit module (6) outputs a signal for enabling the electromagnetic release (2) to act; when the handle (4) is located at a switching-on position and the conductive system (7) flows in power frequency current which is not less than preset current intensity, a pulse induction signal generated by the iron core assembly (75) is transmitted to the circuit module (6) through the mutual inductance assembly, the circuit module (6) outputs a signal which enables the ejector rod (21) to pop out to impact the ejector rod reset piece (3), the lock catch (53) and the jump catch (52) slip under the impact of the ejector rod reset piece (3), and the transmission rod (54) moves to the original position along with the base frame (51), so that the contact rod assembly (73) is separated from the static contact rod assembly (74).
2. The surge backup protector of claim 1, wherein: the main guide wire (72) is connected with the movable contact rod assembly (73) through a soft connecting piece (76).
3. The surge backup protector of claim 1, wherein: the wiring assembly (71) includes a wiring holder (711) connected to the main conductor (72), a wiring board (712) connected to the wiring holder (711), and a wiring screw (713) threadedly engaged with the wiring board (712).
4. The surge backup protector of claim 1, wherein: the movable contact rod assembly (73) comprises a movable contact rod (731) and a separating brake spring (732), the movable contact rod (731) comprises a first rod part (731a), a rotating matching part (731b) and a second rod part (731c) which are connected in sequence, the rotating matching part (731b) is pivoted on the shell (1), the first rod part (731a) is driven by the transmission rod (54) to rotate, one end, far away from the rotating matching part (731b), of the second rod part (731c) is provided with a movable contact (731d) in contact fit with the static contact rod assembly (74), and two ends of the separating brake spring (732) are respectively connected with the second rod part (731c) and the shell (1).
5. The surge backup protector of claim 1, wherein: the surge backup protector further comprises an arc isolation plate (8), one end of the arc isolation plate (8) in the length direction is movably connected with the transmission rod (54), and the arc isolation plate (8) can be driven by the transmission rod (54) to be arranged on a slide way in the shell (1) in a sliding mode; when the movable contact rod component (73) does not contact the static contact rod component (74), the arc isolating plate (8) is positioned between the movable contact rod component (73) and the static contact rod component (74).
6. The surge backup protector of claim 1, wherein: and a shielding cover (22) is arranged at the periphery of the electromagnetic release (2).
7. The surge backup protector of claim 1, wherein: the ejector rod resetting piece (3) is made of elastic materials.
8. The surge backup protector of claim 1, wherein: the surge backup protector further comprises a transmission connecting rod (9), one end of the transmission connecting rod (9) is inserted into the connecting hole of the handle (4), the other end of the transmission connecting rod (9) is inserted into the connecting hole of the jump buckle (52), and the transmission connecting rod (9) stretches across the ejector rod reset piece (3).
9. The surge backup protector of claim 1, wherein: the circuit module (6) comprises a printed circuit board, and a resistor, a diode, an inductor and a capacitor are arranged on the printed circuit board.
10. The surge backup protector of claim 1, wherein: the mutual inductance assembly comprises a signal induction coil and a signal amplification coil which are coupled with each other, the signal induction coil is coupled with the iron core assembly (75), and the signal amplification coil is coupled with the circuit module (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921116501.0U CN210272231U (en) | 2019-07-16 | 2019-07-16 | Surge backup protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921116501.0U CN210272231U (en) | 2019-07-16 | 2019-07-16 | Surge backup protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210272231U true CN210272231U (en) | 2020-04-07 |
Family
ID=70012685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921116501.0U Active CN210272231U (en) | 2019-07-16 | 2019-07-16 | Surge backup protector |
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| Country | Link |
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| CN (1) | CN210272231U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110349820A (en) * | 2019-07-16 | 2019-10-18 | 上海永继电气股份有限公司 | Surge back-up protection device |
| CN111541232A (en) * | 2020-04-09 | 2020-08-14 | 浙江贵龙电气有限公司 | Protector free of screw wiring |
-
2019
- 2019-07-16 CN CN201921116501.0U patent/CN210272231U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110349820A (en) * | 2019-07-16 | 2019-10-18 | 上海永继电气股份有限公司 | Surge back-up protection device |
| CN111541232A (en) * | 2020-04-09 | 2020-08-14 | 浙江贵龙电气有限公司 | Protector free of screw wiring |
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| GR01 | Patent grant |