CN205945049U - Non -maintaining electric pile source defend thunder equipment that fills - Google Patents
Non -maintaining electric pile source defend thunder equipment that fills Download PDFInfo
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- CN205945049U CN205945049U CN201620968928.3U CN201620968928U CN205945049U CN 205945049 U CN205945049 U CN 205945049U CN 201620968928 U CN201620968928 U CN 201620968928U CN 205945049 U CN205945049 U CN 205945049U
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- module
- graphite
- electrode
- lightning protection
- charging pile
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Abstract
The utility model relates to a non -maintaining electric pile source defend thunder equipment that fills. A non -maintaining electric pile source defend thunder equipment that fills, it includes module casing and shell base, module casing each side has an electrode dop, the inboard each side of shell base has an electrode draw -in groove, can with electrode dop tight plugging, the module casing is equipped with pressure -sensitive subassembly, graphite module and circuit module, the shell base is equipped with incoming line ports, remote signalling port, ground connection port and installation dop, pressure -sensitive subassembly and circuit module be parallelly connected, with graphite serial module. The utility model discloses a non -maintaining electric pile source defend thunder equipment that fills, combination through adopting pressure -sensitive subassembly and graphite module to optimize has prevented lightning protection device's electric leakage itself, afterflow when having avoided lightning protection device to discharge has improved the exoelectric effect of lightning protection, makes to fill electric pile source defend thunder equipment and do not have leakage current, nos afterflow, difficult inefficacy, reaches increase of service life, avoids the purpose of maintenance.
Description
Technical field
This utility model is related to charging pile power lightning protection field, more particularly to a kind of non-maintaining charging pile power lightning protection
Device.
Background technology
Charging pile is a kind of supply unit exclusively for charging electric vehicle, is a kind of emerging service industry, charging pile
Input be directly connected to AC network, through power conversion, outfan is supplied with the DC source of charging electric vehicle；Still
As the gas station to automobile services, charging pile is typically built upon open air to be had in the place of ceiling, and therefore its power-supply device is just very
Easily invaded and harassed by induction lightening, so the alternating current power supply point of incoming cables of charging pile requires configuration lightning protection for power supply, and will
Ask lightning protection device have dependable performance, fault rate is low, be difficult lost efficacy and be easy to the features such as safeguard.But routine is using switching mode element
Charging pile lightning protection for power supply is although leakage current, non-aging, but its response time is slower, and the voltage of wherein graphite mould is protected
Shield level is higher, the defect such as presence afterflow of gaseous type；And adopt the charging pile lightning protection for power supply of pressure cell, there is small leakage
Electric current, deposits defect that after long-term use can be aging.
Utility model content
For solving above-mentioned technical problem, this utility model provides a kind of non-maintaining charging pile lightning protection for power supply, Ji Nengti
The response time of high charge stake lightning protection for power supply, can reach leakage current, no afterflow, non-maintaining purpose again.
This utility model solves its technical problem and be employed technical scheme comprise that：A kind of non-maintaining charging pile power lightning protection
Device, it includes module housing and outer casing base, and described module housing each side has an electrode dop, described outer casing base
Inner side each side have an electrode draw-in groove, can be seated with electrode dop；It is installed with pressure-sensitive group side by side in described module housing
Part and graphite module, positioned at the top of pressure sensitive component and graphite module equipped with circuit module in module housing；Described outer casing base
Left side be provided with inlet wire port；Described inlet wire port is connected with the electrode draw-in groove in the left side inside outer casing base；Described shell
Base is additionally provided with remote signalling port in the lower section of inlet wire port；The right side of described outer casing base is provided with grounding ports；Described connect
Ground port is connected with the electrode draw-in groove on the right side inside outer casing base；The bottom of described outer casing base is additionally provided with installation dop；
Described pressure sensitive component is in parallel with circuit module, and its one end is connected with the electrode dop on the left of module housing, the other end and graphite mo(u)ld
One end of block connects；The other end of described graphite module is connected with the electrode dop on the right side of module housing.
Described pressure sensitive component includes varistor, dropout piece, little spring, activity template and dropout solder joint；Described varistor
An electrode be connected with the rear end of dropout piece, the middle card of described dropout piece on activity template, one end of described activity template with
One end of little spring connects；The other end of described little spring is fixed on outer casing base；The front end insertion of described dropout piece is threaded off
In solder joint, described dropout solder joint is located on the electrode dop on the left of module housing；Another electrode of described varistor and stone
One end of black module connects.
Described graphite module is from left to right successively by insulation intermediate plate, electrode wafer, graphite flake, spacer ring, graphite flake, circle
Plate electrode and insulation intermediate plate arrangement clamping form；Two insulation intermediate plates are fastened by screw；The outside of two electrode wafers is respectively
It is welded with contact conductor；Also it is parallel with high-voltage capacitance between two contact conductors.
Described circuit module is by the diode for unilateal conduction, for limiting the resistance of electric current, being used for indicating work shape
The luminous tube display lamp of state and the photoelectrical coupler for remote signalling output are connected in series；The outfan of described photoelectrical coupler
It is connected with remote signalling port.
Described graphite module controls the spacing of two graphite flakes by the thickness of spacer ring, and then controls lightning protection electric discharge
When voltage drop；Control the size of the discharge current between two graphite flakes by the pore size of spacer ring；By in stone
On two contact conductors of black module, high-voltage capacitors connected in parallel is reducing the electric discharge residual voltage of graphite module.
Described luminous tube display lamp is emerging in the upper surface of module housing, is in green during normal luminous.
In non-high pressure impact conditions, internal varistor is in high-impedance state at the two ends of described pressure sensitive component；In high pressure
During impact conditions, the varistor within pressure sensitive component is in conducting state, and after high pressure is excessively released, pressure responsive resistor failure is in
Short-circuit condition is simultaneously generated heat, and heat makes dropout solder joint melt, and by the effect of activity template and little spring, dropout piece is divided with dropout solder joint
From.
When described pressure sensitive component short-circuit failure or high-voltage capacitance damage open circuit, luminous tube display lamp extinguishes, photoelectrical coupler
Outfan disconnects, and remote signalling port transmits a signal to user.
The beneficial effects of the utility model：A kind of non-maintaining charging pile lightning protection for power supply of the present utility model, by adopting
Combination that pressure sensitive component and graphite module optimize is it is therefore prevented that the electric leakage of lightning protection component itself, it is to avoid during lightning protection component electric discharge
Afterflow, improve lightning protection electric discharge effect, make charging pile lightning protection for power supply no leakage current, no afterflow, be difficult lost efficacy, reaching prolongation makes
With the life-span, avoid safeguard purpose.
Brief description
Fig. 1 is the contour structures schematic diagram of a kind of non-maintaining charging pile lightning protection for power supply of embodiment；
Fig. 2 is the internal circuit principle schematic of a kind of non-maintaining charging pile lightning protection for power supply of embodiment；
Fig. 3 is the decomposing schematic representation of the graphite module of a kind of non-maintaining charging pile lightning protection for power supply of embodiment；
Fig. 4 is the schematic diagram of the graphite module of a kind of non-maintaining charging pile lightning protection for power supply of embodiment.
Specific embodiment
In order to deepen, to understanding of the present utility model, below in conjunction with drawings and Examples, this utility model to be done further
Describe in detail, this embodiment is only used for explaining this utility model, protection domain of the present utility model is not constituted and limits.
Embodiment
As shown in Figures 1 to 4, present embodiments provide a kind of non-maintaining charging pile lightning protection for power supply, it includes module case
Body 1 and outer casing base 2, described module housing 1 each side has an electrode dop 1a, a left side for described outer casing base 2 inner side
Respectively there is an electrode draw-in groove 2a right both sides, can be seated with electrode dop 1a；It is installed with pressure sensitive component side by side in described module housing 1
3 and graphite module 4, the top being located at pressure sensitive component 3 and graphite module 4 in module housing 1 is equipped with circuit module 5；Described shell
The left side of base 2 is provided with inlet wire port 6；Described inlet wire port 6 is connected with the electrode draw-in groove 2a in the left side of outer casing base 2 inner side
Connect；Described outer casing base 2 is additionally provided with remote signalling port 7 in the lower section of inlet wire port 6；The right side of described outer casing base 2 is provided with
Grounding ports 8；Described grounding ports 8 are connected with the electrode draw-in groove 2a on the right side of outer casing base 2 inner side；Described outer casing base 2
Bottom is additionally provided with installation dop 9；Described pressure sensitive component 3 is in parallel with circuit module 5, the electricity in its one end and module housing 1 left side
Pole dop 1a connects, the other end is connected with one end of graphite module 4；On the right side of the other end of described graphite module 4 and module housing 1
Electrode dop 1a connect；Described pressure sensitive component 3 includes varistor 3a, dropout piece 3b, little spring 3c, activity template 3d and dropout
Solder joint 3e；One electrode of described varistor 3a is connected with the rear end of dropout piece 3b, and the middle card of described dropout piece 3b is being lived
On moving plate 3d, one end of described activity template 3d is connected with one end of little spring 3c；The other end of described little spring 3c is fixing outside
On shell base 2；In the front end insertion dropout solder joint 3e of described dropout piece 3b, described dropout solder joint is located at module housing 1 left side
On electrode dop 1a；Another electrode of described varistor 3a is connected with one end of graphite module 4；Described graphite module 4 from
Left-to-right is successively by insulation intermediate plate 4a, electrode wafer 4d, graphite flake 4b, spacer ring 4c, graphite flake 4b, electrode wafer 4d and absolutely
Edge intermediate plate 4a arrangement clamping forms；Two insulation intermediate plate 4a are fastened by screw 4f；The outside of two electrode wafer 4d is welded respectively
It is connected to contact conductor 4e；Also it is parallel with high-voltage capacitance 4g between two contact conductor 4e；Described circuit module 5 is by for unidirectional
Electricity diode 5a, for limit electric current resistance 5b, for indicating operating status luminous tube display lamp 5c and be used for remote signalling
The photoelectrical coupler 5d of output is connected in series；Described photoelectrical coupler 5d is connected with remote signalling port 7；Described graphite module 4
The spacing of two graphite flakes is controlled by the thickness of spacer ring 4c, and then controls voltage drop during lightning protection electric discharge；By every
Pore size from packing ring 4c controls the size of the discharge current between two graphite flakes；By two electricity in graphite module 4
On the lead 4e of pole, high-voltage capacitors connected in parallel 4g is reducing the electric discharge residual voltage of graphite module 4；Described luminous tube display lamp 5c is emerging in mould
The upper surface of block housing 1；In non-high pressure impact conditions, internal varistor 3a is in high resistant at the two ends of described pressure sensitive component 3
State；In impacting with high pressure state, the varistor 3a within pressure sensitive component 3 is in conducting state, after high pressure is excessively released,
Varistor 3a lost efficacy in short-circuit condition and generated heat, and heat makes dropout solder joint 3e melt, by little spring 3c's and activity template 3d
Effect, dropout piece 3b is separated with dropout solder joint 3e；When described pressure sensitive component 3 short-circuit failure or high-voltage capacitance 4g damage open circuit, send out
Light pipe display lamp 5c extinguishes, and photoelectrical coupler 5d outfan disconnects, and remote signalling port 7 transmits a signal to user.
As shown in figure 1, in a kind of non-maintaining charging pile lightning protection for power supply of the present embodiment, dropout solder joint uses employing
140 DEG C of low temperature scolding tin；Luminous tube display lamp is used for indicating the working condition of charging pile lightning protection device；Inlet wire port is used for accessing quilt
Protection power line；Photoelectric coupling contact in remote signalling port is used for the long-range working condition monitoring charging pile lightning protection for power supply；Connect
Ground port connects outside the earth terminal when being used for installing；The guide rail of clamping controller switching equipment when dop is used for installing is installed, is being installed to
When in charging pile power-supply system, the power-supply device of three-phase and four-line is answered the product of four the present embodiment of adapted, set in single phase poaer supply
The standby product above answering two the present embodiment of adapted.
As shown in Fig. 2 in a kind of non-maintaining charging pile lightning protection for power supply of the present embodiment, the function of pressure sensitive component is two
When end is not affected by impacting with high pressure, internal varistor is in high-impedance state, and integral installation does not interfere with power supply in power circuit
The work of equipment, when pressure sensitive component two ends are subject to thunder and lightning impacting with high pressure, internal varistor assumes conducting state rapidly, can
Lightning current is released over the ground through graphite module rapidly；When varistor is crossed stroke when losing efficacy by high pressure, in it
Portion's substrate progressively tends to short-circuit condition, and generates heat rapidly, after this heat quickly passes on dropout solder joint, so that low temperature scolding tin is stood
Carve fusing, dropout piece is immediately disconnected with trip point in the presence of little spring and activity template, and then so that the varistor of inefficacy is taken off
From connection circuit it is ensured that being protected the normal work of power circuit.
As shown in Fig. 2 in a kind of non-maintaining charging pile lightning protection for power supply of the present embodiment, pressure sensitive component has concatenated a stone
Black module, graphite module isolates the issuable faint electric leakage because of varistor using the gap of two panels graphite flake, because
This substantially prolongs the service life of varistor；Graphite module is a kind of very big lightning protection component of discharge capability, but its defect
Be lightning protection response speed slightly slow and residual voltage ratio is larger, in the present embodiment, one 5 kilovolts in the parallel connection of the two ends of graphite module
High-voltage capacitance, the quick response that on the one hand can take the lead in lightning protection and the earth terminal set up path, then again by two graphite flakes
Gap discharge in a large number, on the other hand can also reduce residual voltage it is also possible to play the work of isolated DC when there is no lightning protection electric discharge
With.
As shown in Fig. 2 in a kind of non-maintaining charging pile lightning protection for power supply of the present embodiment, after accessing power circuit, sending out
The conducting of light pipe display lamp is lighted and is sent green glow, and instruction is working properly, and the input of photoelectrical coupler is also switched on so that it is defeated simultaneously
Go out low-resistance conducting between two pins at end, this two pins connect remote signalling port；Short circuit when pressure sensitive component lost efficacy or
Open circuit during graphite module mesohigh capacitance damage occurs, and described luminous tube all can be caused to extinguish and the internal disconnection in remote signalling port,
User can utilize this characteristic of remote signalling contact, in the long-range working condition perceiving charging pile lightning protection for power supply.
As shown in Figure 3 and Figure 4, the graphite module in a kind of non-maintaining charging pile lightning protection for power supply of the present embodiment is main
Element is two graphite flakes, and the centre of graphite flake adopts a piece of resistant to elevated temperatures politef spacer ring, two graphite flakes
Respectively there is an electrode wafer in outside, and the outside of electrode wafer is respectively welded with a contact conductor, is insulated intermediate plate with two panels during assembling
Spacer ring, two graphite flakes and two electrode wafers are clipped together, then with four fixing screws, the intermediate plate that insulate is tightened
Fixing；So pass through the spacing selecting the thickness of spacer ring just to can control two graphite flakes, just can control during lightning protection electric discharge
Voltage drop, just can control the size of discharge current between graphite flake by the size from spacer ring aperture；Two electrodes draw
Line connects pressure sensitive component and ground terminal respectively, and the high-voltage capacitance being attempted by graphite module two ends can reduce the electric discharge of graphite module
Residual voltage.
A kind of non-maintaining charging pile lightning protection for power supply of the present embodiment, carrys out lightning protection using pressure sensitive component, can improve lightning protection
Response time and the capacity of electric discharge, using graphite module as lightning protection component, will not produce what other gas discharge elements existed
Electric discharge afterflow drawback, can be indicated using luminous tube and photoelectrical coupler element and monitor the working condition of lightning protection device；By adopting
The combination that optimized with pressure sensitive component and graphite module is it is therefore prevented that the electric leakage of lightning protection component itself, it is to avoid during lightning protection component electric discharge
Afterflow, improve lightning protection electric discharge effect, make charging pile lightning protection for power supply no leakage current, no afterflow, be difficult lost efficacy, reach prolongation
Service life, avoid safeguard purpose.
Above-described embodiment should not in any way limit this utility model, all by the way of equivalent or equivalency transform
The technical scheme obtaining all falls within protection domain of the present utility model.
Claims (8)
1. a kind of non-maintaining charging pile lightning protection for power supply it is characterised in that：It includes module housing and outer casing base, described module
Housing each side has an electrode dop, each side has an electrode draw-in groove inside described outer casing base, can be with
Electrode dop is seated；It is installed with pressure sensitive component and graphite module in described module housing side by side, in module housing, be located at pressure sensitive component
With the top of graphite module equipped with circuit module；The left side of described outer casing base is provided with inlet wire port；Described inlet wire port with
The electrode draw-in groove in the left side inside outer casing base connects；Described outer casing base is additionally provided with remote signalling end in the lower section of inlet wire port
Mouthful；The right side of described outer casing base is provided with grounding ports；The electrode card on the right side inside described grounding ports and outer casing base
Groove connects；The bottom of described outer casing base is additionally provided with installation dop；Described pressure sensitive component is in parallel with circuit module, its one end with
Electrode dop on the left of module housing connects, the other end is connected with one end of graphite module；The other end of described graphite module with
Electrode dop on the right side of module housing connects.
2. a kind of non-maintaining charging pile lightning protection for power supply according to claim 1 it is characterised in that：Described pressure sensitive component bag
Include varistor, dropout piece, little spring, activity template and dropout solder joint；After one electrode of described varistor and dropout piece
End connects, and on activity template, one end of described activity template is connected the middle card of described dropout piece with one end of little spring；Described little
The other end of spring is fixed on outer casing base；In the front end insertion dropout solder joint of described dropout piece, described dropout solder joint is located at
On electrode dop on the left of module housing；Another electrode of described varistor is connected with one end of graphite module.
3. a kind of non-maintaining charging pile lightning protection for power supply according to claim 2 it is characterised in that：Described graphite module from
Left-to-right is successively by insulation intermediate plate, electrode wafer, graphite flake, spacer ring, graphite flake, electrode wafer and insulation intermediate plate arrangement folder
Tightly form；Two insulation intermediate plates are fastened by screw；The outside of two electrode wafers is respectively welded contact conductor；Two electrodes
Also it is parallel with high-voltage capacitance between lead.
4. a kind of non-maintaining charging pile lightning protection for power supply according to claim 3 it is characterised in that：Described circuit module by
For the diode of unilateal conduction, for limiting the resistance of electric current, for the luminous tube display lamp of indicating operating status be used for
The photoelectrical coupler of remote signalling output is connected in series；The outfan of described photoelectrical coupler is connected with remote signalling port.
5. a kind of non-maintaining charging pile lightning protection for power supply according to claim 3 it is characterised in that：Described graphite module is led to
Cross the thickness of the spacer ring spacing to control two graphite flakes, and then control voltage drop during lightning protection electric discharge；By isolating pad
The pore size of circle controls the size of the discharge current between two graphite flakes；By on two contact conductors of graphite module
High-voltage capacitors connected in parallel is reducing the electric discharge residual voltage of graphite module.
6. a kind of non-maintaining charging pile lightning protection for power supply according to claim 4 it is characterised in that：Described luminous tube instruction
Lamp is emerging in the upper surface of module housing, is in green during normal luminous.
7. a kind of non-maintaining charging pile lightning protection for power supply according to claim 2 it is characterised in that：Described pressure sensitive component
In non-high pressure impact conditions, internal varistor is in high-impedance state at two ends；In impacting with high pressure state, inside pressure sensitive component
Varistor be in conducting state, after high pressure is excessively released, pressure responsive resistor failure is in short-circuit condition generating heat, and heat makes to take off
Button solder joint fusing, by the effect of activity template and little spring, dropout piece is separated with dropout solder joint.
8. a kind of non-maintaining charging pile lightning protection for power supply according to claim 4 it is characterised in that：Described pressure sensitive component is short
When lost efficacy in road or high-voltage capacitance damages open circuit, luminous tube display lamp extinguishes, and photoelectric coupler output end disconnects, and remote signalling port will be believed
Number it is transferred to user.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620968928.3U CN205945049U (en) | 2016-08-29 | 2016-08-29 | Non -maintaining electric pile source defend thunder equipment that fills |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620968928.3U CN205945049U (en) | 2016-08-29 | 2016-08-29 | Non -maintaining electric pile source defend thunder equipment that fills |
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| Publication Number | Publication Date |
|---|---|
| CN205945049U true CN205945049U (en) | 2017-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620968928.3U Active CN205945049U (en) | 2016-08-29 | 2016-08-29 | Non -maintaining electric pile source defend thunder equipment that fills |
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| Country | Link |
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| CN (1) | CN205945049U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106129990A (en) * | 2016-08-29 | 2016-11-16 | 苏州工业园区科佳自动化有限公司 | A kind of non-maintaining charging pile lightning protection for power supply |
-
2016
- 2016-08-29 CN CN201620968928.3U patent/CN205945049U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106129990A (en) * | 2016-08-29 | 2016-11-16 | 苏州工业园区科佳自动化有限公司 | A kind of non-maintaining charging pile lightning protection for power supply |
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