CN208890365U - A kind of the power lightning protection circuit and lightning protection power source of 5G communication base station - Google Patents
A kind of the power lightning protection circuit and lightning protection power source of 5G communication base station Download PDFInfo
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- CN208890365U CN208890365U CN201821502631.3U CN201821502631U CN208890365U CN 208890365 U CN208890365 U CN 208890365U CN 201821502631 U CN201821502631 U CN 201821502631U CN 208890365 U CN208890365 U CN 208890365U
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Abstract
The utility model discloses a kind of power lightning protection circuit of 5G communication base station and lightning protection power sources; wherein; the power lightning protection circuit of the 5G communication base station includes the first lightning-protection module, isolation module and the second lightning-protection module; first lightning-protection module is connect with input terminal firewire, zero curve, protection ground wire and isolation module, with line is protected for limiting voltage between lines when lightning wave enters route and lightning current releasing to protecting field line to be formed between line；The isolation module is also connect with the second lightning-protection module, and for decoupling between grade and overvoltage surge is isolated；Second lightning-protection module is also connect with output end firewire, zero curve and protection ground wire; it is set to be less than default pressure voltage for reducing the residual voltage of output end; by between the first lightning-protection module and the second lightning-protection module two-stage lightning protection protective wire and line; lightning wave is dredged in inhibition; isolation module is recycled to carry out decoupling between grade between two lightning-protection modules; overvoltage surge is further suppressed, the equipment protection ability of circuit is improved.
Description
Technical field
The utility model relates to base station lightning protection field, in particular to the power lightning protection circuit of a kind of 5G communication base station and lightning protection
Power supply.
Background technique
In 5G network, in order to reduce radius of society, increase low power nodes quantity, thus super-intensive heterogeneous network at
It is the key technology that 5G network improves data traffic, that is to say, that 5G communication base station layout is quite intensive, and communication base station is built
If addressing is all high building, under awful weather environment, communication base station equipment is seriously threatened by overvoltage surge.Especially power supply
Route is most easily introduced overvoltage damage communication equipment.Solving power circuit overvoltage surge is one of most important link.
An or completely new concept current to 5G lightning protection, in lightning protection industry all in development and exploitation, due to the base station 5G
Layout is close, be laid out than PHS base station it is also close, it is especially frequently regional in thunderstorm day under such dense layout, when base station
Have by the risk at the disconnected station of lightning stroke, this carrys out communicating interrupt to the communication band of this area, caused by economic loss can not estimate.
Thus the prior art could be improved and improve.
Utility model content
Place in view of above-mentioned deficiencies of the prior art, the purpose of this utility model is to provide a kind of electricity of 5G communication base station
Source lightning protection circuit and lightning protection power source, by between the first lightning-protection module and the second lightning-protection module two-stage lightning protection protective wire and line
Lightning wave is dredged in ground, inhibition, is recycled isolation module to carry out decoupling between grade between two lightning-protection modules, is further suppressed surge
Overvoltage improves the equipment protection ability of circuit.
In order to achieve the above object, the utility model takes following technical scheme:
A kind of power lightning protection circuit of 5G communication base station, including the first lightning-protection module, isolation module and the second lightning-protection module,
First lightning-protection module is connect with input terminal firewire, zero curve, protection ground wire and isolation module, for entering line in lightning wave
Voltage between lines is limited when road and lightning current releases to protecting field line to be formed between line with line protects；The isolation module is also with
The connection of two lightning-protection modules, for decoupling between grade and is isolated overvoltage surge；Second lightning-protection module also with output end firewire, zero
Line and protection ground wire connection make it be less than default pressure voltage for reducing the residual voltage of output end.
The power lightning protection circuit of the 5G communication base station, first lightning-protection module include that the first compression limiter and first is opened
Unit is closed, the first compression limiter connection isolation module, input terminal firewire, zero curve and first switch unit are defeated for limiting
Enter to hold the voltage between lines of firewire and zero curve；The first switch unit is also connect with protection ground wire, for entering line in lightning wave
Lightning current is released to protection ground wire when road.
The power lightning protection circuit of the 5G communication base station, second lightning-protection module include that the second compression limiter and second is opened
Close unit；Second compression limiter connects the isolation module, output end firewire, zero curve and second switch unit, for limiting
The voltage between lines of output end firewire and zero curve processed makes it be less than default pressure voltage；The second switch unit also connects with protection ground wire
It connects, for releasing, remaining thunder and lightning flow to protecting field line.
The power lightning protection circuit of the 5G communication base station, first compression limiter include the first varistor, the second pressure
Quick resistance, one end connection input terminal firewire and isolation module of first varistor, first varistor it is another
One end of the second varistor of end connection and first switch unit, the other end of second varistor connect input terminal zero curve
And isolation module.
The power lightning protection circuit of the 5G communication base station, the first switch unit includes first switch tube, and described first
One end of switching tube connects the other end of the first varistor and one end of the second varistor, the first switch tube it is another
End connection protection ground wire.
The power lightning protection circuit of the 5G communication base station, the isolation module include isolated form device, the isolated form device
Part connects the first varistor, the second varistor and the second compression limiter.
The power lightning protection circuit of the 5G communication base station, second compression limiter include third varistor and the 4th pressure
Quick resistance, the termination output end firewire and isolated form device of the third varistor, the third limit the another of varistor
One end connects one end and the second switch unit of the 4th varistor, and the other end of the 4th varistor connects output end zero
Line and isolated form device.
The power lightning protection circuit of the 5G communication base station, the second switch unit includes second switch, and described second
Switching tube one end connection third varistor the other end and the 4th varistor one end, the second switch it is another
End connection protection ground wire.
A kind of lightning protection power source of 5G communication base station, including shell are provided with pcb board in the shell, set on the pcb board
It is equipped with the power lightning protection circuit of 5G communication base station as described above.
Compared to the prior art, in the power lightning protection circuit and lightning protection power source of 5G communication base station provided by the utility model,
The power lightning protection circuit of the 5G communication base station include the first lightning-protection module, isolation module and the second lightning-protection module, described first
Lightning-protection module is connect with input terminal firewire, zero curve, protection ground wire and isolation module, for the limitation when lightning wave enters route
Voltage between lines and by lightning current release to protecting field line formed line between with line protect；The isolation module also with the second lightning protection mould
Block connection, for decoupling between grade and is isolated overvoltage surge；Second lightning-protection module also with output end firewire, zero curve and guarantor
Ground wire connection is protected, so that it is less than default pressure voltage for reducing the residual voltage of output end, passes through the first lightning-protection module and the second lightning protection
Between module two-stage lightning protection protective wire with line, lightning wave is dredged in inhibition, recycles isolation module between two lightning-protection modules
Decoupling between progress grade, further suppresses overvoltage surge, improves the equipment protection ability of circuit.
Detailed description of the invention
Fig. 1 is the structural block diagram of the power lightning protection circuit of 5G communication base station provided by the utility model；
Fig. 2 is the circuit diagram of the power lightning protection circuit of 5G communication base station provided by the utility model.
Specific embodiment
The utility model provides the power lightning protection circuit and lightning protection power source of a kind of 5G communication base station, passes through the first lightning-protection module
And second between lightning-protection module two-stage lightning protection protective wire and line, lightning wave is dredged in inhibition, recycle isolation module at two
Decoupling between progress grade, further suppresses overvoltage surge, improves the equipment protection ability of circuit between lightning-protection module.
To keep the purpose of this utility model, technical solution and effect clearer, clear, develop simultaneously implementation referring to the drawings
The utility model is further described in example.It should be appreciated that specific embodiment described herein is only practical to explain
It is novel, it is not used to limit the utility model.
Please refer to Fig. 1, the power lightning protection circuit of 5G communication base station provided by the utility model include the first lightning-protection module 10,
Isolation module 20 and the second lightning-protection module 30, first lightning-protection module 10 and input terminal firewire, zero curve, protection ground wire and every
It is connected from module 20, forms line to protecting field line for limiting voltage between lines when lightning wave enters route and lightning current being released
Between with line protect；The isolation module 20 is also connect with the second lightning-protection module 30, and for decoupling between grade and that surge is isolated is excessively electric
Pressure；Second lightning-protection module 30 is also connect with output end firewire, zero curve and protection ground wire, for reducing the residual voltage of output end
It is set to be less than default pressure voltage.
When it is implemented, the lightning wave for entering route is released to protection ground wire by the first lightning-protection module 10, it is suppressed that thunder
Electric current enters back end of line, meanwhile, voltage between lines is limited, over-voltage between line is prevented, to protect between achieving the effect that line；Again by every
Decoupling the lightning wave remaining from 20 betweens of module carries out grade further increases so that lightning wave, inhibition overvoltage surge be isolated
Protective capability of the circuit to equipment；Last residual voltage finally is carried out by the second lightning-protection module 30 to limit, and residual voltage is made to be less than rear end
The default pressure voltage of route or equipment, thus work normally 5G communication base station by thunder and lightning wave action, can in thunderstorm weather,
Reduce the loss of damage of facilities bring.
Referring to figure 2., first lightning-protection module 10 includes the first compression limiter 101 and first switch unit 102, described
First compression limiter 101 connects isolation module 20, input terminal firewire, zero curve and first switch unit 102, for limiting input terminal
The voltage between lines of firewire and zero curve；The first switch unit 102 is also connect with protection ground wire, for entering route in lightning wave
When by lightning current release to protection ground wire.Through the first compression limiter 101 when lightning wave enters route, by firewire and zero curve
Voltage between line is limited in certain range, to protect between having the function that line, later, by first switch unit 102 by thunder
Electric wave is released avoids lightning wave from entering back end of line to protection ground wire to dredge lightning wave.
Second lightning-protection module 30 includes the second compression limiter 301 and second switch unit 302；The second pressure limiting list
The 301 connection isolation module 20 of member, output end firewire, zero curve and second switch unit 102, for limit output end firewire and
The voltage between lines of zero curve makes it be less than default pressure voltage；The second switch unit 302 is also connect with protection ground wire, for releasing
Remaining thunder and lightning flow to protecting field line.The lightning wave residual voltage in route is limited within a preset range by the second compression limiter 301,
The residual voltage is set to be less than default pressure voltage, to protect the firewire and zero curve and back end of line or equipment of output end, then by second
Switch unit 302 releases remaining lightning wave residual voltage to protection ground wire, has dredged most lightning wave.
First compression limiter 101 includes the first varistor RV1, the second varistor RV2, the first pressure-sensitive electricity
One end connection input terminal firewire and isolation module 20 of RV1 are hindered, the other end connection second of the first varistor RV1 is pressure-sensitive
One end of resistance RV2 and first switch unit 102, the second varistor RV2 the other end connection input terminal zero curve and every
From module 20.Voltage is carried out to the firewire of input terminal and zero curve respectively by the first varistor RV1 and the second varistor RV2
Clamper limits the voltage on two lines road respectively, keeps voltage between lines in safe range, to protect between realizing line.
The first switch unit 102 includes first switch tube G1, the first pressure of one end connection of the first switch tube G1
The other end of one end of the other end of quick resistance RV1 and the second varistor RV2, the first switch tube G1 connects protecting field
Line.First switch tube G1 described in the present embodiment uses gas-discharge tube, will enter route by the first switch tube G1
Most of lightning wave is released to protection ground wire, to realize dredging for lightning wave.
The isolation module includes isolated form device 201, and the isolated form device 201 connects the first varistor RV1, the
Two varistor RV2 and the second compression limiter 301.The thunder and lightning transmitted by isolated form device 201 to the first lightning-protection module 10 is residual
Pressure carries out decoupling, achievees the purpose that overvoltage surge is isolated, improves the protection of various overvoltage.Preferably, the isolated form
Device 201 can be power isolation transformer.
Second compression limiter 302 includes third varistor RV3 and the 4th varistor RV4, and the third is pressure-sensitive
A termination output end firewire and isolated form device 201 of resistance RV3, the other end connection of the third limit varistor RV3 the
The other end of one end of four varistor RV4 and second switch unit 302, the 4th varistor RV4 connects output end zero
Line and isolated form device 201.By third varistor RV3 and the 4th varistor RV4 respectively to the firewire of output end and zero
Line carries out voltage clamping, limits the voltage on two lines road respectively, so that voltage between lines is less than presetting for back end of line or equipment resistance to
Pressure value, to realize the protection to back end of line or equipment.
The second switch unit 302 includes second switch G2, and one end of the second switch 302 connects third pressure
The other end of the other end of quick resistance RV3 and one end of the 4th varistor RV4, the second switch G2 connects protecting field
Line.Second switch G2 described in the present embodiment uses gas-discharge tube, and the remnants of route will be entered by second switch G2
Lightning wave is released to protection ground wire, to filter out route lightning wave residual voltage.
Based on the power lightning protection circuit of above-mentioned 5G communication base station, the utility model correspondingly provides a kind of 5G communication base station
Lightning protection power source, including shell are provided with pcb board in the shell, 5G communication base station as described above are provided on the pcb board
Power lightning protection circuit, since the power lightning protection circuit of the 5G communication base station being described in detail above, herein
It is not described further.
In conclusion in the power lightning protection circuit and lightning protection power source of 5G communication base station provided by the utility model, the 5G
The power lightning protection circuit of communication base station includes the first lightning-protection module, isolation module and the second lightning-protection module, the first lightning protection mould
Block is connect with input terminal firewire, zero curve, protection ground wire and isolation module, for electric between the restraining line when lightning wave enters route
It presses and lightning current releases to protecting field line to be formed between line and with line protect；The isolation module also connects with the second lightning-protection module
It connects, for decoupling between grade and overvoltage surge is isolated；Second lightning-protection module also with output end firewire, zero curve and protecting field
Line connection makes it be less than default pressure voltage, passes through the first lightning-protection module and the second lightning-protection module for reducing the residual voltage of output end
Between two-stage lightning protection protective wire with line, lightning wave is dredged in inhibition, and isolation module is recycled to carry out between two lightning-protection modules
Decoupling between grade, further suppresses overvoltage surge, improves the equipment protection ability of circuit.
It is understood that for those of ordinary skills, can with technical solution according to the present utility model and
The design of its utility model is subject to equivalent substitution or change, and all these changes or replacement all should belong to appended by the utility model
Scope of protection of the claims.
Claims (9)
1. a kind of power lightning protection circuit of 5G communication base station, which is characterized in that including the first lightning-protection module, isolation module and second
Lightning-protection module, first lightning-protection module is connect with input terminal firewire, zero curve, protection ground wire and isolation module, in thunder
Voltage between lines is limited when electric wave enters route and lightning current releases to protecting field line to be formed between line with line protects；The isolation
Module is also connect with the second lightning-protection module, and for decoupling between grade and overvoltage surge is isolated；Second lightning-protection module also with it is defeated
Outlet firewire, zero curve and protection ground wire connection make it be less than default pressure voltage for reducing the residual voltage of output end.
2. the power lightning protection circuit of 5G communication base station according to claim 1, which is characterized in that first lightning-protection module
Including the first compression limiter and first switch unit, first compression limiter connection isolation module, input terminal firewire, zero curve and
First switch unit, for limiting the voltage between lines of input terminal firewire and zero curve；The first switch unit also with protection ground wire
Connection, for lightning current to be released to protection ground wire when lightning wave enters route.
3. the power lightning protection circuit of 5G communication base station according to claim 2, which is characterized in that second lightning-protection module
Including the second compression limiter and second switch unit；Second compression limiter connects the isolation module, output end firewire, zero
Line and second switch unit, the voltage between lines for limiting output end firewire and zero curve make it be less than default pressure voltage；Described
Two switch units are also connect with protection ground wire, and for releasing, remaining thunder and lightning flow to protecting field line.
4. the power lightning protection circuit of 5G communication base station according to claim 3, which is characterized in that first compression limiter
Including the first varistor, the second varistor, one end connection input terminal firewire and isolation module of first varistor,
The other end of first varistor connects one end and the first switch unit of the second varistor, second varistor
Other end connection input terminal zero curve and isolation module.
5. the power lightning protection circuit of 5G communication base station according to claim 4, which is characterized in that the first switch unit
Including first switch tube, one end of the first switch tube connect the first varistor the other end and the second varistor one
End, the other end connection protection ground wire of the first switch tube.
6. the power lightning protection circuit of 5G communication base station according to claim 5, which is characterized in that the isolation module includes
Isolated form device, the isolated form device connect the first varistor, the second varistor and the second compression limiter.
7. the power lightning protection circuit of 5G communication base station according to claim 6, which is characterized in that second compression limiter
Including third varistor and the 4th varistor, the termination output end firewire and isolated form device of the third varistor
The other end of part, the third varistor connects one end and the second switch unit of the 4th varistor, and the described 4th is pressure-sensitive
The other end connection output end zero curve and isolated form device of resistance.
8. the power lightning protection circuit of 5G communication base station according to claim 7, which is characterized in that the second switch unit
Including second switch, the one of the other end of one end of second switch connection third varistor and the 4th varistor
End, the other end connection protection ground wire of the second switch.
9. a kind of lightning protection power source of 5G communication base station, including shell, pcb board is provided in the shell, which is characterized in that described
Power lightning protection circuit just like 5G communication base station described in claim 1-8 any one is set on pcb board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821502631.3U CN208890365U (en) | 2018-09-14 | 2018-09-14 | A kind of the power lightning protection circuit and lightning protection power source of 5G communication base station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821502631.3U CN208890365U (en) | 2018-09-14 | 2018-09-14 | A kind of the power lightning protection circuit and lightning protection power source of 5G communication base station |
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| Publication Number | Publication Date |
|---|---|
| CN208890365U true CN208890365U (en) | 2019-05-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821502631.3U Active CN208890365U (en) | 2018-09-14 | 2018-09-14 | A kind of the power lightning protection circuit and lightning protection power source of 5G communication base station |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110137933A (en) * | 2019-05-27 | 2019-08-16 | 深圳市槟城电子有限公司 | A kind of surging protection circuit, device and electrical equipment |
| CN113541120A (en) * | 2020-04-15 | 2021-10-22 | 深圳市大富科技股份有限公司 | Lightning protection circuit, 5G communication circuit and communication equipment |
-
2018
- 2018-09-14 CN CN201821502631.3U patent/CN208890365U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110137933A (en) * | 2019-05-27 | 2019-08-16 | 深圳市槟城电子有限公司 | A kind of surging protection circuit, device and electrical equipment |
| CN113541120A (en) * | 2020-04-15 | 2021-10-22 | 深圳市大富科技股份有限公司 | Lightning protection circuit, 5G communication circuit and communication equipment |
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