CN209119805U - Surge protection device - Google Patents
Surge protection device Download PDFInfo
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- CN209119805U CN209119805U CN201821463567.2U CN201821463567U CN209119805U CN 209119805 U CN209119805 U CN 209119805U CN 201821463567 U CN201821463567 U CN 201821463567U CN 209119805 U CN209119805 U CN 209119805U
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- impeller
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Abstract
The utility model discloses a kind of surge protection devices; including load circuit, load end, ground terminal, flow dividing structure, bleeder circuit and control structure; load circuit includes main circuit and load switch; main circuit is electrically connected with load switch; bleeder circuit includes electromagnetic coil and conducting magnet core, and conducting magnet core is contained in inside electromagnetic coil, and control structure includes permanent magnet, contradictory piece and impeller; contradictory piece is fixed on permanent magnet, and permanent magnet is fixed on impeller；The connection of load switch switching and load end and ground terminal; electromagnetic coil is electrically connected by flow dividing structure with main circuit; impeller connect with load switch and controls its switch; to realize load circuit whether the connection with load end or ground terminal; it realizes and takes cutting main line simultaneously while by way of separated time road aerial drainage the surge current of Surge Protector; the characteristics of device is the use cost and installation and replacement cost for saving Surge Protector, and it is convenient to create for universal Surge Protector.
Description
Technical field
The utility model relates to electrical network field more particularly to a kind of surge protection devices.
Background technique
Currently, the well known main device of surge protector is fuse resistor, when usually line current voltage is normal, due to
Electric current flows through the fusing point that heat caused by fuse resistor is lower than fuse, so route remains turned on, when occurring in route
When the surge of high current, the heat generated since surge current is very big, when so flowing through fuse resistor has just reached the molten of fuse
Point, by fuse opening, so that line disconnection, avoids loading the injury by high current.But when line current is restored to normal value
When, the fuse resistor of well known its core of surge protector is opened a way by firing, cannot be used continuously, it is necessary to replace its core
Core module can just continue to use, and that is the protection of well known surge protector is disposable, not reproducible use in this way,
It causes use cost high, could be used after replacing nucleus module every time, be mounted on distribution additionally, due to Surge Protector and set
In standby, thus just needed when replacement profession personnel could qualified replacement, and while replacing also calculate matched specification and
Model, so the cost of replacement is also very high.Then, it can realize that well surge protective device can using the use of the new type
It with the reuse as breaker, and can also be connected as the operation recovery route breaker, avoid profession more
Change this and economical and practical use cost into, it is also high that route restores efficiency.
Utility model content
For overcome the deficiencies in the prior art, one of the purpose of this utility model is to provide a kind of surge protection device,
It can solve the problem of at high cost and low efficiency.
One of the purpose of this utility model adopts the following technical scheme that realization:
A kind of surge protection device, including load circuit, load end, ground terminal, flow dividing structure, bleeder circuit and control knot
Structure, the load circuit include main circuit and load switch, and the main circuit is electrically connected with the load switch, the aerial drainage electricity
Road includes electromagnetic coil and conducting magnet core, and the conducting magnet core is contained in inside the electromagnetic coil, and the control structure includes
Permanent magnet, contradictory piece and impeller, the contradictory piece are fixed on the permanent magnet, and the permanent magnet is fixed on the impeller；
The connection of the load switch switching and the load end and the ground terminal, the electromagnetic coil by the flow dividing structure with
The main circuit electrical connection, the impeller connect with the load switch and control its switch.
Further, the flow dividing structure is current divider or metal sensor or mutual inductor.
Further, the flow dividing structure includes current divider and rectifier bridge, and the current divider is connected in the main circuit,
The rectifier bridge both ends are connect with the current divider.
Further, the permanent magnet is located at the electromagnetic coil side, and the contradictory piece includes two first connectors, and two
First connector is fixed on the permanent magnet opposite sides.
Further, first connector includes bending part, and two bending parts are in the permanent magnet opposite two
Side.
Further, the surge protection device further includes manual switch, and the manual switch is tied with the shunting respectively
Structure and electromagnetic coil electrical connection, the manual switch are used for the flow dividing structure to the solenoid current direction.
Further, the flow dividing structure further includes first end, second end, third end and the 4th end, the first end with
4th end is anode, and the second end and the third end are cathode.
Further, the conducting magnet core includes the contravention that balances each other, and it is opposite that the two conflict ends are distributed in the conducting magnet core
Two sides, the control structure include rotating member, and the rotating member rotational installation is in electric power facility, the rotating member and the promotion
Part is fixedly connected and drives the impeller mobile.
Further, when being in normal condition, the flow dividing structure electric current is smaller and flows into the electromagnetic coil, described
The magnetic field that electromagnetic coil generates is weaker than the permanent magnet, and the magnetic field that the permanent magnet generates drives the rotating member rotation, described
First connector both ends contact at the conflict end, and the impeller is mobile, and the impeller drives the load switch to connect
The load end.
Further, when being in surge condition, the flow dividing structure electric current is larger and flows into the electromagnetic coil, described
The magnetic field that electromagnetic coil generates is better than the permanent magnet, and the magnetic field that the permanent magnet generates drives the rotating member rotation, described
First connector both ends contact at the conflict end, and the impeller is mobile, and the impeller drives the load switch to connect
The ground terminal.
Compared with prior art, the utility model has the beneficial effects that:
The connection of the load switch switching and the load end and the ground terminal, the electromagnetic coil pass through described point
Flow structure is electrically connected with the main circuit, and the impeller connect with the load switch and control its switch, to realize negative
Carry circuit whether the connection with load end or ground terminal, realize and cutting main line and same taken to the surge current of Surge Protector
When by way of separated time road aerial drainage, to load carry out safeguard protection, due to take be electromagnetic principle mechanical structure, realize
Surge Protector is not disposable but can be used for multiple times as breaker.The characteristics of device is to save wave
The use cost and installation and replacement cost of surge protector, it is convenient to create for universal Surge Protector.
The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model
Art means, and being implemented in accordance with the contents of the specification, and in order to allow the above and other purpose, feature of the utility model
It can be more clearly understood with advantage, it is special below to lift preferred embodiment, and cooperate attached drawing, detailed description are as follows.
Detailed description of the invention
Fig. 1 is the connection schematic diagram that the utility model surge protection device is in normal condition；
Fig. 2 is the connection schematic diagram that the utility model surge protection device is in surge condition.
In figure: 100, surge protection device；10, load circuit；11, main circuit；12, load switch；20, load end；30,
Ground terminal；40, flow dividing structure；41, current divider；42, rectifier bridge；43, first end；44, second end；45, third end；46, the 4th
End；50, bleeder circuit；51, electromagnetic coil；52, conducting magnet core；521, end is contradicted；60, control structure；61, permanent magnet；62,
A connection piece；621, bending part；63, rotating member；65, impeller；70, manual switch.
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to the utility model, it should be noted that
Under the premise of not colliding, it can be formed in any combination between various embodiments described below or between each technical characteristic new
Embodiment.
It should be noted that it can be directly on another component when component is referred to as " being fixed on " another component
Or there may also be components placed in the middle.When a component is considered as " connection " another component, it, which can be, is directly connected to
To another component or it may be simultaneously present component placed in the middle.When a component is considered as " being set to " another component, it
It can be and be set up directly on another component or may be simultaneously present component placed in the middle.Term as used herein is " vertical
", " horizontal ", "left", "right" and similar statement for illustrative purposes only.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein includes
Any and all combinations of one or more related listed items.
A kind of surge protection device 100 is electric including load circuit 10, load end 20, ground terminal 30, flow dividing structure 40, aerial drainage
Road 50 and control structure 60, the load circuit 10 include main circuit 11 and load switch 12, and the main circuit 11 is born with described
Load switch 12 is electrically connected, and the bleeder circuit 50 includes electromagnetic coil 51 and conducting magnet core 52, and the conducting magnet core 52 is contained in
Inside the electromagnetic coil 51, the control structure 60 includes permanent magnet 61, contradictory piece and impeller 65, and the contradictory piece is fixed
In the permanent magnet 61, the permanent magnet 61 is fixed on the impeller 65；The switching of load switch 12 and the load end
20 and the ground terminal 30 connection, the electromagnetic coil 51 is electrically connected by the flow dividing structure 40 with the main circuit 11,
The impeller 65 connect with the load switch 12 and controls its switch, thus realize load circuit 10 whether with load end 20
Or the connection of ground terminal 30, it realizes and cutting main line is taken to the surge current of Surge Protector and while by separated time road aerial drainage
Mode, to load carry out safeguard protection, due to take be electromagnetic principle mechanical structure, realizing Surge Protector is not
It is disposable but can be used for multiple times as breaker.The characteristics of device be save Surge Protector use at
Originally with installation and replacement cost, it is convenient to create for universal Surge Protector.
Preferably, the flow dividing structure 40 is current divider or metal sensor or mutual inductor, specifically, in the present embodiment
In, the flow dividing structure 40 includes current divider 41 and rectifier bridge 42, and the current divider 41 is connected in the main circuit 11, described
42 both ends of rectifier bridge are connect with the current divider 41, and the permanent magnet 61 is located at 51 side of electromagnetic coil, the contradictory piece
Including two first connectors 62, two first connectors 62 are fixed on 61 opposite sides of permanent magnet, first connection
Part 62 includes bending part 621, and two bending parts 621 are located at 61 opposite sides of permanent magnet, and structure novel, design is ingeniously
It is wonderful, strong applicability, convenient for promoting.
Preferably, referring to Fig. 1, the control structure 60 includes rotating member 63, the rotational installation of rotating member 63 is in electricity
Power facility, the rotating member 63 are fixedly connected with the impeller 65 and drive the impeller 65 mobile.When in normal shape
When state, 40 electric current of flow dividing structure is smaller and flows into the electromagnetic coil 51, and the magnetic field that the electromagnetic coil 51 generates is weaker than
The permanent magnet 61, the rotational installation of impeller 65 is in circuit facility, described in the magnetic field drive that the permanent magnet 61 generates
Rotating member 63 rotates, and the rotating member 63 drives impeller 65 mobile, and 62 both ends of the first connector contact at the conflict
End 521, the impeller 65 drives the load switch 12 to connect the load end 20, the magnetic pole strength of the permanent magnet 61 and institute
The magnetic pole strength for stating electromagnetic coil 51 is attracted, and the impeller 65 is in and pushes state to the right, is born so principal current I master directly connects
It carries, load works normally.Although the both ends of electromagnetic coil 51 are respectively present the magnetic field of the pole S and the pole N at this time, due to normally without wave
The electric current in route gushed be compared to surge generate electric current be very it is small, then shunting collected voltage at this time is also
It is very small, thus at this time the magnetic field of the electromagnetic coil 51 be it is very small, be not enough to offset permanent magnet generate magnetic field,
So the impeller 65 remains stationary, major loop keeps normal circulation.
Referring to Fig. 2,40 electric current of flow dividing structure is larger and flows into the electromagnetic coil when being in surge condition
51, the magnetic field that the electromagnetic coil 51 generates is better than the permanent magnet 61, and the magnetic field that the permanent magnet 61 generates drives described turn
Moving part 63 rotates, and the impeller 65 is mobile, and 62 both ends of the first connector contact at the conflict end 521, the promotion
Part 65 drives the load switch 12 to connect the ground terminal 30.Since surge current is very huge, the flow dividing structure 40
It is also just corresponding big from the collected I of main line points, so the magnetic field at 51 both ends of electromagnetic coil at this time is to reach required guarantor
The setting value of shield, the magnetic field of the electromagnetic coil 51 is just enough offsetting permanent magnet generation magnetic field at this time, so moment touches
The impeller 65 rotates the impeller 65, switches with the load switch 12, is switched to ground protection by major loop
Surge current aerial drainage end, drains into ground section for surge current and discharges.The impeller 65 is cut off while switching contact
The access of major loop, to protect load.
To sum up, occurring the heavy current impact of moment, that is, such as thunder and lightning, inductance electricity suddenly in circuit-line
The surge phenomenon of the generations such as discharge capacitor, the surge surge protection carried out to avoid it from damaging the equipment and machine of load
A kind of device.The characteristics of device is to may be reused, when circuit state back to normal, so that it may continue directly to using
The present apparatus carries out the protection of route, does not need to replace any components, the feature of cost economy easy to use may be implemented.
Preferably, the surge protection device further includes manual switch 70, the manual switch 70 respectively with the shunting
Structure 40 and the electromagnetic coil 51 are electrically connected, and the manual switch 70 is used for the flow dividing structure 40 to the electromagnetic coil 51
Current direction, the flow dividing structure 40 further include first end 43, second end 44, third end 45 and the 4th end 46, the first end
43 with the 4th end 46 be anode, and the second end 44 is cathode with the third end 45, and the conducting magnet core 52 includes two
End 521 is contradicted, the two conflict ends 521 are distributed in 52 opposite sides of conducting magnet core.After line current restores normal, only
The manual switch 70 is pressed, the electromagnetic coil 51 can obtain reversed DC current, to pass through the electromagnetic wire
The opposing magnetic field that circle 51 generates pushes the mechanism where the permanent magnet 61, drives 65 resetting movement of impeller, this protection
Device restores original normal condition, to realize the purpose that can be reused.
Above embodiment is only preferred embodiments of the present invention, cannot be protected with this to limit the utility model
Range, the variation of any unsubstantiality that those skilled in the art is done on the basis of the utility model and replacement belong to
In the utility model range claimed.
Claims (10)
1. a kind of surge protection device, including load circuit, load end, ground terminal, flow dividing structure, bleeder circuit and control knot
Structure, it is characterised in that: the load circuit includes main circuit and load switch, and the main circuit is electrically connected with the load switch
It connects, the bleeder circuit includes electromagnetic coil and conducting magnet core, and the conducting magnet core is contained in inside the electromagnetic coil, described
Control structure includes permanent magnet, contradictory piece and impeller, and the contradictory piece is fixed on the permanent magnet, and the permanent magnet is fixed on
The impeller；The connection of the load switch switching and the load end and the ground terminal, the electromagnetic coil pass through institute
It states flow dividing structure to be electrically connected with the main circuit, the impeller connect with the load switch and controls its switch.
2. surge protection device as described in claim 1, it is characterised in that: the flow dividing structure is current divider or metal sensor
Device or mutual inductor.
3. surge protection device as claimed in claim 2, it is characterised in that: the flow dividing structure includes current divider and rectification
Bridge, the current divider are connected in the main circuit, and the rectifier bridge both ends are connect with the current divider.
4. surge protection device as described in claim 1, it is characterised in that: the permanent magnet is located at the electromagnetic coil side
Face, the contradictory piece include two first connectors, and two first connectors are fixed on the permanent magnet opposite sides.
5. surge protection device as claimed in claim 4, it is characterised in that: first connector includes bending part, and two
The bending part is in the permanent magnet opposite sides.
6. surge protection device as claimed in claim 5, it is characterised in that: the surge protection device further includes opening manually
It closes, the manual switch is electrically connected with the flow dividing structure and the electromagnetic coil respectively, and the manual switch is for described point
Flow structure is to the solenoid current direction.
7. surge protection device as claimed in claim 6, it is characterised in that: the flow dividing structure further includes first end, second
End, third end and the 4th end, the first end and the 4th end are anode, and the second end and the third end are cathode.
8. surge protection device as claimed in claim 6, it is characterised in that: the conducting magnet core includes the contravention that balances each other, two institutes
It states conflict end and is distributed in the conducting magnet core opposite sides, the control structure includes rotating member, the rotating member rotational installation
In electric power facility, the rotating member is fixedly connected with the impeller and drives the impeller mobile.
9. surge protection device as claimed in claim 8, it is characterised in that: when being in normal condition, the flow dividing structure
Electric current flows into the electromagnetic coil, and the magnetic field that the electromagnetic coil generates is weaker than the permanent magnet, the magnetic that the permanent magnet generates
Field drives the rotating member rotation, and first connector both ends contact at the conflict end, and the impeller is mobile, described to push away
Moving part drives the load switch to connect the load end.
10. surge protection device as claimed in claim 8, it is characterised in that: when being in surge condition, the flow dividing structure
Electric current flows into the electromagnetic coil, and the magnetic field that the electromagnetic coil generates is better than the permanent magnet, the magnetic that the permanent magnet generates
Field drives the rotating member rotation, and first connector both ends contact at the conflict end, and the impeller is mobile, described to push away
Moving part drives the load switch to connect the ground terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821463567.2U CN209119805U (en) | 2018-09-07 | 2018-09-07 | Surge protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821463567.2U CN209119805U (en) | 2018-09-07 | 2018-09-07 | Surge protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209119805U true CN209119805U (en) | 2019-07-16 |
Family
ID=67198105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821463567.2U Active CN209119805U (en) | 2018-09-07 | 2018-09-07 | Surge protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209119805U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111009448A (en) * | 2019-12-31 | 2020-04-14 | 缙云叶普电子科技有限公司 | Automatic circuit cutting device for surge phenomenon |
| CN112086258A (en) * | 2020-09-09 | 2020-12-15 | 中铁科学研究院有限公司成都分公司 | Inductive-reactance type low-voltage surge protection device |
| CN113612212A (en) * | 2021-08-06 | 2021-11-05 | 杭州易造科技有限公司 | Surge protection device |
| CN113889992A (en) * | 2021-12-07 | 2022-01-04 | 山东中呈防雷科技有限公司 | Power supply lightning arrester alarm device |
-
2018
- 2018-09-07 CN CN201821463567.2U patent/CN209119805U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111009448A (en) * | 2019-12-31 | 2020-04-14 | 缙云叶普电子科技有限公司 | Automatic circuit cutting device for surge phenomenon |
| CN112086258A (en) * | 2020-09-09 | 2020-12-15 | 中铁科学研究院有限公司成都分公司 | Inductive-reactance type low-voltage surge protection device |
| CN113612212A (en) * | 2021-08-06 | 2021-11-05 | 杭州易造科技有限公司 | Surge protection device |
| CN113612212B (en) * | 2021-08-06 | 2023-12-01 | 杭州易造科技有限公司 | Surge protection device |
| CN113889992A (en) * | 2021-12-07 | 2022-01-04 | 山东中呈防雷科技有限公司 | Power supply lightning arrester alarm device |
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