CN207010228U - A kind of signal surge device protector and its circuit - Google Patents
A kind of signal surge device protector and its circuit Download PDFInfo
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- CN207010228U CN207010228U CN201720917625.3U CN201720917625U CN207010228U CN 207010228 U CN207010228 U CN 207010228U CN 201720917625 U CN201720917625 U CN 201720917625U CN 207010228 U CN207010228 U CN 207010228U
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- vent unit
- rear class
- surge protector
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Abstract
The utility model discloses a kind of circuit of signal Surge Protector; including signal road, earth terminal, prime vent unit and rear class vent unit; the first end of prime vent unit connects with signal road, the second end connects with earth terminal; the output end on signal road is connected with input by conductor; also include decoupling circuit; one end of decoupling circuit connects with signal road, and the other end connects with the first end of rear class vent unit, and the second end of rear class vent unit connects with earth terminal.In the signal Surge Protector, the decoupling component connected on signal road is eliminated, and both ends is connected by conductor, while decoupling circuit of having been connected in rear class vent unit, ensure that the cooperation of rear class vent unit and prime vent unit.So the circuit of the signal Surge Protector can effectively solve the problem that signal Surge Protector reduces the problem of limitation voltage is limited.The invention also discloses a kind of signal Surge Protector including foregoing circuit.
Description
Technical field
Circuit protection technical field is the utility model is related to, more specifically to a kind of electricity of signal Surge Protector
Road, further relate to a kind of signal Surge Protector including foregoing circuit.
Background technology
Signal Surge Protector is serially connected in by the input of protection equipment, when transmission line is by lightning induction, thunder and lightning
The thunder and lightning branch road of circulation overprotection device is released to the earth, and by lightning surge clamp in the voltage range that equipment allows, from
And it ensure that the safety of equipment.
In the typical circuit of signal Surge Protector, thunder and lightning branch route prime gas puts the single or multiple winks of pipe and rear class
State diode forms.The resistance being connected in signal road is able to ensure that prime gas is put pipe and acted prior to the transient diode of rear class,
So as to reach by gas put pipe release overvoltage/overcurrent most of energy, limitation is further reduced by transient diode
The effect of voltage.Because resistant series in signal road, cause signal limited to the clamping ability of overvoltage, it is impossible to meet
Numerous new and electronic message unit that Code in Hazardous Special Locations overvoltage tolerance is poor requirement.
In summary, how to efficiently solve the circuit of signal Surge Protector reduces the problem of limitation voltage is limited, is
Those skilled in the art's urgent problem at present.
Utility model content
In view of this, first purpose of the present utility model is to provide a kind of circuit of signal Surge Protector, the electricity
Road can efficiently solve signal Surge Protector circuit reduce limitation voltage it is limited the problem of, second of the present utility model
Purpose is to provide a kind of signal Surge Protector including foregoing circuit.
In order to reach above-mentioned first purpose, the utility model provides following technical scheme：
A kind of circuit of signal Surge Protector, including signal road, earth terminal, prime vent unit and rear class are released list
Member, the first end of the prime vent unit connects with the signal road, the second end connects with the earth terminal, the signal road
Output end connected with input by conductor, in addition to decoupling circuit, one end of the decoupling circuit connects with the signal road
Logical, the other end connects with the first end of the rear class vent unit, and the second end of the rear class vent unit connects with described
Ground terminal connects.
Preferably, including two signal roads.
Preferably, the prime vent unit includes three pole gas-discharge tubes, the middle electricity of three pole gas-discharge tube
Pole connects with the earth terminal, two end electrodes connect with two signal roads respectively.
Preferably, the rear class vent unit includes multiple transient voltage suppressor diodes.
Preferably, the decoupling circuit includes the inductance and resistance being arranged in parallel.
Preferably, the decoupling circuit includes the inductance and electric capacity being arranged in parallel.
Preferably, the decoupling circuit includes inductance, electric capacity and resistance.
A kind of circuit of signal Surge Protector provided by the utility model, the circuit of the specific signal Surge Protector
Including signal road, earth terminal, prime vent unit and rear class vent unit, wherein signal road is mainly used in by signal code,
One end is input, and the other end is output end, is connected between the output end and input on the signal road by conductor.Wherein prime
The first end of vent unit is connected with signal road, the second end connects with earth terminal, and the high current on signal road is discharged.
Wherein one end of decoupling circuit connects with signal road, and the other end connects with the first end of rear class vent unit, the list and rear class is released
Second end of member connects with earth terminal, when high current comes, can be released by rear class vent unit.
According to above-mentioned technical scheme it is recognised that in the circuit of the signal Surge Protector, eliminate on signal road
The decoupling component of series connection, and both ends is connected by conductor so that in normal transmission signal, signal is no longer set on road on signal road
It is equipped with and uses electric device, and then improve the parameter of signal Surge Protector limitation voltage, and then effectively ensures to reduce limitation electricity
Pressure, improve level of protection.While decoupling circuit of having been connected in rear class vent unit, ensure that rear class vent unit and prime
The cooperation of vent unit.And reduce because signal Surge Protector itself damages the risk of influence line signal, it disclosure satisfy that
Numerous new and electronic message unit that Code in Hazardous Special Locations overvoltage tolerance is poor demand.So signal Surge Protector
Circuit can effectively solve the problem that signal Surge Protector reduce limitation voltage it is limited the problem of.
In order to reach above-mentioned second purpose, the utility model additionally provides a kind of signal Surge Protector, signal wave
Surge protector includes any of the above-described kind of circuit, and the circuit is arranged on the case inside of signal Surge Protector.Due to above-mentioned electricity
Road has above-mentioned technique effect, and the signal Surge Protector with the circuit also should be with corresponding technique effect.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is that the circuit theory for the signal Surge Protector with two signal ends that the utility model embodiment provides is shown
It is intended to；
Fig. 2 is that the circuit theory for the signal Surge Protector with a signal end that the utility model embodiment provides is shown
It is intended to.
Marked in accompanying drawing as follows：
Signal road 1, earth terminal 2, gas-discharge tube 3, decoupling circuit 4, rear class vent unit 5.
Embodiment
The utility model embodiment discloses a kind of circuit of signal Surge Protector, to efficiently solve signal surge guarantor
Protecting the circuit of device reduces the problem of limitation voltage is limited.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1-Fig. 2 is referred to, Fig. 1 is the signal surge protection with two signal ends that the utility model embodiment provides
The circuit theory schematic diagram of device；Fig. 2 is the signal Surge Protector with a signal end that the utility model embodiment provides
Circuit theory schematic diagram.
A kind of circuit of signal Surge Protector is provided in a kind of specific embodiment, the specific signal surge protection
The circuit of device includes signal road 1, earth terminal 2, prime vent unit and rear class vent unit 5, it is necessary to illustrate, as above mainly
Described from circuit element, certain signal Surge Protector can also include some other indispensable part.
Wherein signal road 1 is mainly used in by electric current, and one end is input, and the other end is output end, the signal road 1 it is defeated
Go out between end and input and connected by conductor, i.e., transmission electric power is carried out using the negligible conductor of resistance value between the two,
Wherein input is mainly used in connecing signal output part, and input is mainly used in connecting with electrical equipment.
Wherein the first end of prime vent unit connects with signal road 1, the second end connects with earth terminal 2, by signal road 1
On high current discharge.And in practice, it is used cooperatively by prime vent unit and rear class vent unit 5, Ke Yishi
Existing energy coordination, to play more preferable protecting effect.In two-stage vent unit, prime vent unit vent flow is typically greater than
The vent flow of rear class vent unit 5.Wherein prime vent unit and rear class vent unit 5 realizes two class protection, certainly also settable
More stages protection circuit.Prime vent unit includes voltage switch type element, such as gas-discharge tube 3 and graphite gaps pipe, certainly
Prime vent unit can also include voltage limiting element, can improve operation stability.Rear class vent unit 5 limits including voltage
Type element processed, such as piezo-resistance and transient voltage suppressor diode.
Wherein one end of decoupling circuit 4 connects with signal road 1, and the other end connects with the first end of rear class vent unit 5, and
Second end of rear class vent unit 5 connects with earth terminal 2, when high current comes, can be carried out by rear class vent unit 5
Release.By decoupling circuit 4 it is advantageously ensured that high current come when, most of electric current is released away from prime vent unit, and is led to
Later level vent unit 5 carries out the residual voltage of releasing of a step, and voltage is reduced into limitation voltage.Wherein decoupling circuit 4 can be only
Only with decoupling component, decoupling loop can also be used.
In the circuit of the signal Surge Protector, the decoupling component connected on signal road 1 is eliminated, and pass through both ends
Conductor is connected so that signal road 1 is no longer provided with normal transmission signal, on signal road 1 with electric device, and then improves letter
The parameter of number Surge Protector limitation voltage, and then effectively ensure to reduce limitation voltage.Gone here and there simultaneously in rear class vent unit 5
Decoupling circuit 4 is joined, ensure that the cooperation of rear class vent unit 5 and prime vent unit.So signal Surge Protector
Circuit can effectively solve the problem that signal Surge Protector reduce limitation voltage it is limited the problem of.
In the circuit of signal Surge Protector, in order to ensure that signal transmits, typically two bars roads 1 are used.Work as setting
, it is necessary to which explanation, should have prime vent unit and rear class between each bars road 1 and earth terminal 2 during two bars roads 1
Vent unit 5.Prime vent unit and rear class vent unit 5 can be specifically respectively arranged with.
When use gas-discharge tube 3 releases high current, two of which signal road 1 can be respectively adopted prime vent unit
One gas-discharge tube 3 is released high current, and a two pole gas-discharge tubes 3 can specifically be respectively adopted and release high current.But
Allow for, two bars roads 1 may transmit property signal of the same race, if a gas-discharge tube 3 is respectively adopted, because manufacture misses
The factors such as difference, the characteristic of two two pole gas-discharge tubes 3 may be caused inconsistent, and characteristic is inconsistent, can cause differential mode occur
Overvoltage.Based on this, preferred prime vent unit includes three pole gas-discharge tubes 3, the middle electricity of the three pole gas-discharge tube 3 herein
Pole connects with earth terminal 2, and two end electrodes connect with two bars roads 1 respectively, so that the prime on two bars roads 1 is released, leads to
Released two parts for crossing same three pole gas-discharge tube 3.It should be noted that connection refers to turning on, refer generally to
Be to be attached by the insignificant element of the resistance such as conductor.
Wherein rear class vent unit 5 is in order to ensure response speed and have the function of rear class pincers pressure, and preferred rear class is let out herein
Put unit 5 and use transient voltage suppressor diode, can specifically use multiple transient voltage suppressor diodes.When with two
During signal road 1, the transient voltage suppressor diode on two bars roads 1 can use bridge joint.
As above decoupling circuit 4, can be only with one in resistance and inductance.But in order to decoupling preferably
Effect, herein preferred decoupling circuit 4 include the inductance and resistance that are arranged in parallel, i.e. RL loops.It or can wrap decoupling loop
Include the inductance and electric capacity being arranged in parallel, i.e. LC loops.Or decoupling loop is included inductance, electric capacity and resistance, i.e. RLC is returned
It road, can specifically make electric capacity in series with a resistor into after branch, then the branch is set with inductance in parallel.
Based on a kind of circuit of the signal Surge Protector provided in above-described embodiment, the utility model additionally provides one kind
Signal Surge Protector, the signal Surge Protector include any one circuit in above-described embodiment, and the circuit is arranged on signal
The case inside of Surge Protector.The circuit in above-described embodiment is employed due to the signal Surge Protector, so the signal
The beneficial effect of Surge Protector refer to above-described embodiment.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments in the case where not departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (8)
1. a kind of circuit of signal Surge Protector, including signal road, earth terminal, prime vent unit and rear class vent unit,
The first end of the prime vent unit connects with the signal road, the second end connects with the earth terminal, it is characterised in that institute
The output end for stating signal road is connected with input by conductor, in addition to decoupling circuit, one end of the decoupling circuit with it is described
Signal road connects, and the other end connects with the first end of the rear class vent unit, the second end of the rear class vent unit and institute
State earth terminal connection.
2. circuit according to claim 1, it is characterised in that including two signal roads.
3. circuit according to claim 2, it is characterised in that the prime vent unit includes three pole gas-discharge tubes,
The target of three pole gas-discharge tube connects with the earth terminal, two end electrodes connect with two signal roads respectively
It is logical.
4. circuit according to claim 3, it is characterised in that the rear class vent unit suppresses including multiple transient voltages
Diode.
5. according to the circuit described in claim any one of 1-4, it is characterised in that the decoupling circuit includes the electricity being arranged in parallel
Sense and resistance.
6. according to the circuit described in claim any one of 1-4, it is characterised in that the decoupling circuit includes the electricity being arranged in parallel
Sense and electric capacity.
7. according to the circuit described in claim any one of 1-4, it is characterised in that the decoupling circuit include inductance, electric capacity and
Resistance.
8. a kind of signal Surge Protector, including housing, it is characterised in that also include as described in claim any one of 1-7
Circuit, the circuit are arranged on the case inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720917625.3U CN207010228U (en) | 2017-07-26 | 2017-07-26 | A kind of signal surge device protector and its circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720917625.3U CN207010228U (en) | 2017-07-26 | 2017-07-26 | A kind of signal surge device protector and its circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207010228U true CN207010228U (en) | 2018-02-13 |
Family
ID=61456042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720917625.3U Active CN207010228U (en) | 2017-07-26 | 2017-07-26 | A kind of signal surge device protector and its circuit |
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| Country | Link |
|---|---|
| CN (1) | CN207010228U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107196285A (en) * | 2017-07-26 | 2017-09-22 | 四川中光防雷科技股份有限公司 | A kind of signal surge device protector and its circuit |
-
2017
- 2017-07-26 CN CN201720917625.3U patent/CN207010228U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107196285A (en) * | 2017-07-26 | 2017-09-22 | 四川中光防雷科技股份有限公司 | A kind of signal surge device protector and its circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191128 Address after: No.702, 7th floor, R & D building, Lingyun building, No.2, Liufang Road, Xin'an street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Shenzhen City Tekarms Protective Electric Co., Ltd. Address before: 611731 No. 19 Tianyu Road, West Zone, hi tech Zone, Sichuan, Chengdu Patentee before: Sichuan Zhongguang Lightning Protection Technologies Co., Ltd. |
|
| TR01 | Transfer of patent right |