CN207964964U - Online and thread off double indicators and the surge protector of surge protector - Google Patents
Online and thread off double indicators and the surge protector of surge protector Download PDFInfo
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- CN207964964U CN207964964U CN201721877757.4U CN201721877757U CN207964964U CN 207964964 U CN207964964 U CN 207964964U CN 201721877757 U CN201721877757 U CN 201721877757U CN 207964964 U CN207964964 U CN 207964964U
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Abstract
The utility model discloses a kind of online and thread off double indicators and the surge protector of surge protector.Indicator includes realizing the surge protector online output circuit exported online, the dropout protection circuit that dropout protection is carried out to surge protector, the online indicating circuit indicated online to surge protector, the Indication of Losing Efficacy circuit to surge protector Indication of Losing Efficacy, the overcurrent and overheating protection circuit to surge protector overcurrent and overheating protection, the one-way isolation circuit one that one-way isolation is carried out to Indication of Losing Efficacy circuit.Online output circuit, thread off protection circuit, online indicating circuit are in parallel, and one end is via the input terminal of overcurrent and overheating protection circuit link indicator, and the output end of other end link indicator.Indication of Losing Efficacy is electrically connected between the input terminal of indicator and output end.The output end of overcurrent and overheating protection circuit is via one Joint failure indicating circuit of one-way isolation circuit.The utility model can monitor whether online whether surge protector thread off with.
Description
Technical field
The utility model is related to the surge protectors more particularly to a kind of surge of a kind of indicator and the installation indicator
Online and thread off double indicators and the surge protector of protector.
Background technology
In the daily monitoring of surge protector, groundwork has observation surge protector, and whether on-line operation and surge are protected
Whether shield device threads off, and on-line operation is typically to be verified by the back-up switch of observation surge protector and using voltage test pencil, if
It threads off and mainly goes to judge by observing trip indicator and measuring remote signalling break-make.
Patent No.：ZL2014106518122, patent name are：《A kind of a kind of double dropouts of surge are without the pluggable of leakage current
Surge protector》It is middle to disclose a kind of double releasing structures, in surge protector non-linear element (including between varistor MOV, electric discharge
Gap GAP) two electrodes on be respectively provided with tripping mechanism, i.e., Thermal Cutoffs is that the hot melt of material breaks tripping mechanism and low temperature
The mechanical trip mechanism of scolding tin fusing, and the instruction provided with mechanical trip mechanism, but original machinery instruction can only reflect surge
Protector mechanical trip mechanism state, cannot reflect whether surge protector works online.
Invention content
The purpose of this utility model is to provide a kind of the online of surge protector and thread off double indicators and surge protection
Device not only can monitor whether surge protector threads off, moreover it is possible to which whether online, be conducive to surge protector if monitoring surge protector
Daily monitoring and offer monitoring data.
The utility model is realized using following technical scheme：A kind of online and double indicators of threading off of surge protector,
Including realize surge protector export online online output circuit, surge protector is carried out dropout protection dropout protect electricity
Road, the online indicating circuit that surge protector is indicated online, to the Indication of Losing Efficacy circuit of surge protector Indication of Losing Efficacy, to electricity
The overcurrent and overheating protection circuit of surge protector overcurrent and overheating protection, the one-way isolation electricity that one-way isolation is carried out to Indication of Losing Efficacy circuit
Lu Yi；Online output circuit, thread off protection circuit, online indicating circuit are in parallel, and one end connects via overcurrent and overheating protection circuit
Described online and double indicators of threading off input terminals are connect, and the other end connects described online and double indicators of threading off output ends；
Indication of Losing Efficacy is electrically connected between described online and double indicators of threading off input terminals and output end；One-way isolation circuit one
Input terminal connects the output end of overcurrent and overheating protection circuit, and the output end of one-way isolation circuit one is connected to Indication of Losing Efficacy circuit
On.
As being further improved for said program, Indication of Losing Efficacy circuit includes concatenated resistance R1, indicator light L-R, resistance
R2；The output end of the input terminal connection overcurrent and overheating protection circuit of one-way isolation circuit one, the output end of one-way isolation circuit one
It is connected between indicator light L-R and resistance R2.
As being further improved for said program, overcurrent and overheating protection circuit is that overcurrent overheat insures F.
As being further improved for said program, described online and double indicators of threading off further include DC power supply isolation electricity
Road, online output circuit, online indicating circuit, Indication of Losing Efficacy circuit via the connection of DC power supply isolation circuit it is described online and
The output end of the double indicators of dropout.
As being further improved for said program, described online and double indicators of threading off further include one-way isolation circuit two,
The input terminal of one-way isolation circuit two connects described online and double indicators of threading off input terminals, the output of one-way isolation circuit two
Hold the input terminal of Joint failure indicating circuit.
As being further improved for said program, described online and double indicators of threading off further include one-way isolation circuit three,
The output end of the input terminal connection overcurrent and overheating protection circuit of one-way isolation circuit three, the output end connection of one-way isolation circuit three
The input terminal of the input terminal and online indicating circuit of online output circuit.
As being further improved for said program, protection circuit of threading off includes concatenated non-linear element, tripping mechanism.
As being further improved for said program, online indicating circuit includes concatenated resistance R3, indicator light L-B, resistance
R4。
As being further improved for said program, online output circuit includes concatenated resistance R5, electronic switch.
The utility model also provides a kind of installation any one of the above the online surge protector with double indicators of threading off.
The correspondence tripping mechanism difference of the utility model is provided with electronic indication type instruction and is used to indicate standby Temperature protection
Break-make and surge protector it is whether online, remain the instruction of former mechanical trip, form the surge protection of double indicators instructions
Device；It indicates respectively whether Temperature protection fuses dropout and whether scolding tin mechanical trip has action to thread off, while passing through and monitoring surge
Protector whether on-line operation.
Description of the drawings
Fig. 1 is the circuit function structure chart of the online of the surge protector of the present embodiment 1 and double indicators of threading off.
Fig. 2 is online in Fig. 1 and double indicators of threading off circuit diagrams.
Fig. 3 is the circuit function structure chart of the online of the surge protector of the present embodiment 2 and double indicators of threading off.
Fig. 4 is online in Fig. 3 and double indicators of threading off circuit diagrams.
Fig. 5 is the circuit function structure chart of the online of the surge protector of the present embodiment 3 and double indicators of threading off.
Fig. 6 is online in Fig. 5 and double indicators of threading off circuit diagrams.
Fig. 7 is the circuit function structure chart of the online of the surge protector of the present embodiment 4 and double indicators of threading off.
Fig. 8 is online in Fig. 7 and double indicators of threading off circuit diagrams.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only explaining this
Utility model is not used to limit the utility model.
Embodiment 1
Referring to Fig. 1, the surge protector of the present embodiment online and double indicators of threading off include online output circuit 1,
It threads off and protects circuit 2, online indicating circuit 3, Indication of Losing Efficacy circuit 4, overcurrent and overheating protection circuit 5, one-way isolation circuit 1.
Online output circuit 1 for realizing surge protector online output.Protection circuit 2 thread off for being taken off to surge protector
Button protection, for being indicated online surge protector, Indication of Losing Efficacy circuit 4 is used to lose surge protector online indicating circuit 3
Effect instruction, overcurrent and overheating protection circuit 5 is to surge protector overcurrent and overheating protection.One 9 pairs of Indication of Losing Efficacy electricity of one-way isolation circuit
Road 4 carries out one-way isolation.Online and double indicators of threading off input terminals can connect the L lines of distribution system, online and dropout two fingers
Show that the output end of device can connect the N/PE lines of distribution system.
Online output circuit 1, thread off protection circuit 2, online indicating circuit 3 are in parallel, and one end is via overcurrent and overheating protection
Circuit 5 connects described online and double indicators of threading off input terminals, and the other end connects described online and double indicators of threading off
Output end.Indication of Losing Efficacy circuit 4 is connected between described online and double indicators of threading off input terminals and output end.One-way isolation
The output end of the input terminal connection overcurrent and overheating protection circuit 5 of circuit 1, the output end of one-way isolation circuit 1 are connected to mistake
It imitates on indicating circuit 4.
Incorporated by reference to Fig. 2, it is double dropouts dress that ZL2014106518122 is realized that overcurrent overheat, which insures F and mechanical trip mechanism J,
It sets, for the double indicators of online and dropout of the present embodiment in design, overcurrent and overheating protection circuit 5 can be Temperature protection F.It threads off and protects
Protection circuit 2 includes concatenated non-linear element, tripping mechanism.Varistor MOV can be used in non-linear element, and tripping mechanism can be adopted
Use mechanical trip mechanism.The heat transfer of varistor MOV makes mechanical trip mechanism disconnect, and realizes the dropout of surge protector.It loses
It includes concatenated resistance R1, indicator light L-R, resistance R2 to imitate indicating circuit 4, and the input terminal of one-way isolation circuit 1 connects overcurrent
The output end of the output end of overheating protection circuit 5, one-way isolation circuit 1 is connected between indicator light L-R and resistance R2.Online
Indicating circuit 3 includes concatenated resistance R3, indicator light L-B, resistance R4.Online output circuit 1 includes concatenated resistance R5, electronics
Switch.Solid-state relay SW, the output end of one end connection overcurrent and overheating protection circuit 5 of resistance R5, electricity can be used in electronic switch
Hinder the anode of the light emitting diode of the other end connection solid-state relay SW of R5, the cathode of the light emitting diode of solid-state relay SW
Connect described online and double indicators of threading off output ends.One-way isolation circuit 1 can be diode D3, the anode of diode D3
The output end of overcurrent and overheating protection circuit 5 is connected, the cathode of diode D3 is connected between indicator light L-R and resistance R2.
Online and double indicators of threading off, realization principle of the present embodiment are as follows.
1, overcurrent overheat insurance F, varistor MOV and mechanical trip mechanism J constitute the electric discharge master time of surge protector
Road.
2, resistance R3, indicator light L-B, resistance R4 constitute online instruction circuit, when overcurrent overheat insurance F is normal, normally
Indicator light L-B bright greens when power supply.
3, resistance R1, indicator light L-R, resistance R2 constitute Indication of Losing Efficacy circuit, when overcurrent overheat insurance F disconnections, instruction
Lamp L-R shiny reds, when overcurrent overheat insurance F it is normal, due to the effect of diode D3, make between point A and point B potential difference deficiency
Indicator light L-R is connected, wherein point A is in online and the input terminal A of double indicators that threads off, point B are in indicator light L-B and electricity
Between resistance R2B.
4, resistance R5, solid-state relay SW form online output loop, and surge protector is not online or when overcurrent overheat is protected
When dangerous F is disconnected, solid-state relay SW is in closed state, otherwise, can detect pulse output by peripheral circuit.
Online and double indicators of threading off of the utility model are provided with online indicating circuit 3 and Indication of Losing Efficacy circuit 4, online
Indicating circuit 3 indicates whether overcurrent and overheating protection circuit 5 and surge protector are online, remains the dropout for protection circuit 2 of threading off
Instruction forms the online of double indicator instructions and double indicators of threading off.
When detecting at the scene, online indicating circuit 3 not only can directly indicate whether surge protector is normal, moreover it is possible to directly logical
Cross the indicator light L-B of online indicating circuit 3 light judge surge protector whether on-line operation.Furthermore it is also possible to by setting
The electronic switch set i.e. solid-state relay SW can realize the whether online long-range monitoring of surge protector.
Embodiment 2
Referring to Fig. 3, online and thread off double indicators and the online of embodiment 1 and double indicators of threading off of the present embodiment,
The two structure is essentially identical, difference lies in：Online and double indicators of threading off of the present embodiment further include DC power supply isolation electricity
Road 6.Online output circuit 1, online indicating circuit 3, Indication of Losing Efficacy circuit 4 connect via DC power supply isolation circuit 6 described
Online and double indicators of threading off output ends.
Incorporated by reference to Fig. 4, DC power supply isolation circuit 6 uses capacitance C1, capacitance C1 to be used for isolated DC in the present embodiment
Power supply makes not influenced by peripheral circuit when test surge protector leakage current.
Online and double indicators of threading off, realization principle of the present embodiment are as follows.
1, overcurrent overheat insurance F, varistor MOV and mechanical trip mechanism J constitute the electric discharge master time of surge protector
Road.
2, resistance R3, indicator light L-B, resistance R4, capacitance C1 constitute online instruction circuit, when overcurrent overheat is insuring F just
Often, indicator light L-B bright greens when normal power supply.
3, resistance R1, indicator light L-R, resistance R2, capacitance C1 constitute Indication of Losing Efficacy circuit, when overcurrent overheat insurance F is disconnected
Open, indicator light L-R shiny reds, when overcurrent overheat insurance F it is normal, due to the effect of diode D3, make the electricity between point A and point B
Potential difference is not enough to conducting indicator light L-R, wherein point A is in online and the input terminal A of double indicators that threads off, point B are in indicator light
Between L-B and resistance R2B.
4, resistance R5, solid-state relay SW, C1 form online output loop, and surge protector is not online or works as overcurrent overheat
When insuring F disconnections, solid-state relay SW is in closed state, otherwise, can detect pulse output by peripheral circuit.
Embodiment 3
Referring to Fig. 5, online and thread off double indicators and the online of embodiment 2 and double indicators of threading off of the present embodiment,
The two structure is essentially identical, difference lies in：Online and double indicators of threading off of the present embodiment further include one-way isolation circuit two
7.The input terminal of one-way isolation circuit 27 connects described online and double indicators of threading off input terminals, one-way isolation circuit 27
The input terminal of output end Joint failure indicating circuit 4.
Incorporated by reference to Fig. 6, one-way isolation circuit 27 uses diode D1, diode D1 to play failure and refer in the present embodiment
Show the one-way isolation effect of the power supply of circuit 4.
Online and double indicators of threading off, realization principle of the present embodiment are as follows.
1, overcurrent overheat insurance F, varistor MOV and mechanical trip mechanism J constitute the electric discharge master time of surge protector
Road.
2, resistance R3, indicator light L-B, resistance R4, capacitance C1 constitute online instruction circuit, when overcurrent overheat is insuring F just
Often, indicator light L-B bright greens when normal power supply.
3, diode D1, resistance R1, indicator light L-R, resistance R2, capacitance C1 constitute Indication of Losing Efficacy circuit, have served as flowing through
Heat insurance F disconnect, indicator light L-R shiny reds, when overcurrent overheat insurance F it is normal, due to the effect of diode D3, make point A and point B
Between potential difference be not enough to conducting indicator light L-R, wherein point A be in online and the input terminal A for pair indicators of threading off, point B at
Between indicator light L-B and resistance R2B.
4, resistance R5, solid-state relay SW, C1 form online output loop, and surge protector is not online or works as overcurrent overheat
When insuring F disconnections, solid-state relay SW is in closed state, otherwise, can detect pulse output by peripheral circuit.
The effect of D1：Make surge protector phase zero () reversal connection when, solid-state relay SW is closed, and indicator light L-B green lights are not
It is bright, it plays an important role when one-way electric power is powered.
Embodiment 4
Referring to Fig. 7, online and thread off double indicators and the online of embodiment 3 and double indicators of threading off of the present embodiment,
The two structure is essentially identical, difference lies in：Online and double indicators of threading off of the present embodiment further include one-way isolation circuit three
8.The output end of the input terminal connection overcurrent and overheating protection circuit 5 of one-way isolation circuit 38, the output of one-way isolation circuit 38
End connects the input terminal of the input terminal and online indicating circuit 3 of online output circuit 1.
Incorporated by reference to Fig. 8, it is online defeated that one-way isolation circuit 38 uses diode D2, diode D2 to play in the present embodiment
Go out the one-way isolation effect of the power supply of circuit 1 and online indicating circuit 3.
Online and double indicators of threading off, realization principle of the present embodiment are as follows.
1. overcurrent overheat insures the electric discharge master time that F, varistor MOV and mechanical trip mechanism J constitute surge protector
Road.
2. diode D2, resistance R3, indicator light L-B, resistance R4, capacitance C1 constitute online instruction circuit, serve as flowing through
Heat insurance F is normal, indicator light L-B bright greens when normal power supply.
3. diode D1, resistance R1, indicator light L-R, resistance R2, capacitance C1 constitute Indication of Losing Efficacy circuit, serve as flowing through
Heat insurance F disconnect, indicator light L-R shiny reds, when overcurrent overheat insurance F it is normal, due to the effect of diode D3, make point A and point B
Between potential difference be not enough to conducting indicator light L-R, wherein point A be in online and the input terminal A for pair indicators of threading off, point B at
Between indicator light L-B and resistance R2B.
4. diode D2, resistance R5, solid-state relay SW, C1 form online output loop, surge protector it is not online or
When overcurrent overheat insurance F is disconnected, solid-state relay SW is in closed state, otherwise, can detect pulse by peripheral circuit
Output.
The effect of D1, D2：Make surge protector phase zero () reversal connection when, solid-state relay SW is closed, and indicator light green light is not
It is bright, it plays an important role when one-way electric power is powered.
For embodiment 4 resistance R1=resistance R2=resistance R3=resistance R4=500K Ω, capacitance C1=are taken according to Fig. 8
0.1UF/275V；Indicator light L-R=highlights red light emitting diodes, and indicator light L-B=highlights green LED, makes electronics
Switch=solid-state relay SW, resistance R5=10K Ω.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model
Protection domain within.
Claims (10)
1. a kind of online and double indicators of threading off of surge protector comprising it is online defeated to realize that surge protector exports online
The dropout protection circuit (2) for going out circuit (1), carrying out dropout protection to surge protector；It is characterized in that：It further includes to surge
Online indicating circuit (3) that protector indicates online, to the Indication of Losing Efficacy circuit (4) of surge protector Indication of Losing Efficacy, to surge
The overcurrent and overheating protection circuit (5) of protector overcurrent and overheating protection, to Indication of Losing Efficacy circuit (4) carry out one-way isolation it is unidirectional every
From circuit one (9)；Online output circuit (1), thread off protection circuit (2), online indicating circuit (3) are in parallel, and one end is via mistake
Flow through that thermal protection circuit (5) connection is described online and the input terminals for double indicators of threading off, and other end connection is described online and de-
The output end of the double indicators of button；Indication of Losing Efficacy circuit (4) is connected to described online and double indicators of threading off input terminals and output
Between end；The output end of the input terminal connection overcurrent and overheating protection circuit (5) of one-way isolation circuit one (9), one-way isolation circuit
The output end of one (9) is connected on Indication of Losing Efficacy circuit (4).
2. online and double indicators of threading off of surge protector as described in claim 1, it is characterised in that：Indication of Losing Efficacy circuit
(4) include concatenated resistance R1, indicator light L-R, resistance R2；The input terminal connection overcurrent overheat of one-way isolation circuit one (9) is protected
The output end of the output end of protection circuit (5), one-way isolation circuit one (9) is connected between indicator light L-R and resistance R2.
3. online and double indicators of threading off of surge protector as described in claim 1, it is characterised in that：Overcurrent and overheating protection
Circuit (5) is that overcurrent overheat insures F.
4. online and double indicators of threading off of surge protector as described in claim 1, it is characterised in that：It is described online and de-
The double indicators of button further include DC power supply isolation circuit (6), online output circuit (1), online indicating circuit (3), Indication of Losing Efficacy
Circuit (4) is via DC power supply isolation circuit (6) the connection online output end with double indicators of threading off.
5. online and double indicators of threading off of surge protector as described in claim 1, it is characterised in that：It is described online and de-
The double indicators of button further include one-way isolation circuit two (7), and the input terminal connection of one-way isolation circuit two (7) is described online and threads off
The input terminal of double indicators, the input terminal of the output end Joint failure indicating circuit (4) of one-way isolation circuit two (7).
6. online and double indicators of threading off of surge protector as described in claim 1, it is characterised in that：It is described online and de-
The double indicators of button further include one-way isolation circuit three (8), the input terminal connection overcurrent and overheating protection electricity of one-way isolation circuit three (8)
The output end of the output end on road (5), one-way isolation circuit three (8) connects the input terminal of online output circuit (1) and online instruction
The input terminal of circuit (3).
7. online and double indicators of threading off of surge protector as described in claim 1, it is characterised in that：It threads off and protects circuit
(2) include concatenated non-linear element, tripping mechanism.
8. online and double indicators of threading off of surge protector as described in claim 1, it is characterised in that：Online indicating circuit
(3) include concatenated resistance R3, indicator light L-B, resistance R4.
9. online and double indicators of threading off of surge protector as described in claim 1, it is characterised in that：Online output circuit
(1) include concatenated resistance R5, electronic switch.
10. a kind of surge protector, is mounted with indicator, it is characterised in that：The indicator is as appointed in claim 1 to 9
Online and double indicators of threading off of surge protector described in meaning one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721877757.4U CN207964964U (en) | 2017-12-28 | 2017-12-28 | Online and thread off double indicators and the surge protector of surge protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721877757.4U CN207964964U (en) | 2017-12-28 | 2017-12-28 | Online and thread off double indicators and the surge protector of surge protector |
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| Publication Number | Publication Date |
|---|---|
| CN207964964U true CN207964964U (en) | 2018-10-12 |
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ID=63730561
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721877757.4U Active CN207964964U (en) | 2017-12-28 | 2017-12-28 | Online and thread off double indicators and the surge protector of surge protector |
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| Country | Link |
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| CN (1) | CN207964964U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108008225A (en) * | 2017-12-28 | 2018-05-08 | 广东立信防雷科技有限公司 | Online and the thread off double indicators and surge protector of surge protector |
-
2017
- 2017-12-28 CN CN201721877757.4U patent/CN207964964U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108008225A (en) * | 2017-12-28 | 2018-05-08 | 广东立信防雷科技有限公司 | Online and the thread off double indicators and surge protector of surge protector |
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