CN205282806U - Indoor photovoltaic for equipment lightning protection row inserts - Google Patents
Indoor photovoltaic for equipment lightning protection row inserts Download PDFInfo
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- CN205282806U CN205282806U CN201620032259.9U CN201620032259U CN205282806U CN 205282806 U CN205282806 U CN 205282806U CN 201620032259 U CN201620032259 U CN 201620032259U CN 205282806 U CN205282806 U CN 205282806U
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Abstract
The utility model discloses an indoor photovoltaic for equipment lightning protection row inserts, include by live wire, zero line, ground wire constitute three -way to and be coupled in the three -wire electrostatic protection of preventing circuit, prevent that the electrostatic protection circuit is leading in the consumer, the preceding stage of preventing the electrostatic protection circuit is coupled limited die mould source defend thunder equipment, voltage limiting type source defend thunder equipment's preceding stage has been coupled voltage switch type source defend thunder equipment, voltage switching type power supply lightning protection device is coupled in three -way. An object of the utility model is to provide an indoor photovoltaic for equipment lightning protection row inserts is through multistage pressure release to progressively consume the energy of thunderbolt, thus the lightning protection of more thoroughly ground. Additionally, the utility model discloses can be the electric energy with partial thunder and lightning conversion of energy, supply back level disposition of equipment, improving energy efficiency.
Description
Technical field
The utility model relates to light volt field, especially a kind of indoor photovoltaic apparatus lightning protection insert row.
Background technology
The thunder-strike prevention standard also not having complete set at present at whole illuminating industry, does not also make special lightning protection protection for self product. In lightning protection industry, also only having the protection of the B level to three-phase, single phase alternating current/C level for power supply part, the protection of C level cannot be accomplished low residual voltage, zero afterflow, therefore protectiving scheme for photo engine is imperfect.
For this reason, existing notification number be CN203562612U patent discloses a kind of indoor LED illumination equipment lightning protection insert row, comprise the triple-phase line being made up of L line, N line, PE line, common mode protection device and common mode protection device, common mode protection device, common mode protection device and common mode protection device, common mode protection device are in series by voltage dependent resistor and fusing fuse cutout; Wherein, common mode protection device is connected between L line and N line, and the voltage dependent resistor of common mode protection device is connected with L line, and the output terminal of the fusing fuse cutout of common mode protection device is connected with N line; Wherein, common mode protection device and the series connection of common mode protection device; the voltage dependent resistor of common mode protection device is connected with L line; the output terminal of the fusing fuse cutout of common mode protection device is connected with the voltage dependent resistor of common mode protection device; the fusing fuse cutout of common mode protection device is connected with N line; wherein, connecting terminal between the voltage dependent resistor of common mode protection device and the fusing fuse cutout of common mode protection device is by being connected with PE line after gas discharge tube V1.
Lightning protection insert row in above-mentioned patent absorbs high-voltage and high electric current by voltage dependent resistor; after voltage dependent resistor receptivity reaches peak value; fuse protector disconnects; wherein by gas discharge tube, the energy of thunderbolt is introduced the earth; but; due to energy huge of thunderbolt, if directly it being introduced the earth by gas discharge tube, still can there is part residual voltage. Therefore, it is provided that one can lightning protection more thoroughly insert row time problem demanding prompt solution.
Practical novel content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of indoor photovoltaic apparatus lightning protection insert row, by Multi-stage pressure-releasing, progressively to consume the energy of thunderbolt, thus more thoroughly lightning protection.
For achieving the above object; the utility model provides following technical scheme: a kind of indoor photovoltaic apparatus lightning protection insert row; comprise three lines being made up of live wire, zero line, ground wire; and it is coupled to the anti-static protection circuit of three lines; described anti-static protection circuit is prepended to electrical equipment; the prime of described anti-static protection circuit is coupled with voltage limit power lightning protection device; the prime of described voltage limit power lightning protection device is coupled with voltage switching mode lightning protection for power supply, and described voltage switching mode lightning protection for power supply is coupled to three lines.
The utility model is set to further: described voltage limit power lightning protection device is also coupled with power transfer module, and described power transfer module has the output interface of an electricity supply and use equipment access.
The utility model is set to further: also comprise multiple common mode protection device being coupled to three lines, and arbitrary described common mode protection device is in series by voltage dependent resistor and fusing fuse cutout.
The utility model is set to further: also comprise anti-static protection circuit; anti-static protection circuit comprises rectifier circuit; by moving back, even device is connected an input terminus of rectifier circuit with live wire, and by moving back, even device is connected another input terminus of rectifier circuit with zero line.
The utility model is set to further: described anti-static protection circuit also comprises rear pole protection circuit, described rear pole protection circuit is primarily of light-coupled isolation switch, two-way transient diode is formed, wherein, two-way transient diode TVS2 is in series with photodiode, resistance, two-way transient diode is also connected with the positive pole of rectifier circuit, resistance is connected with the negative pole of rectifier circuit, the positive pole of the photodiode of light-coupled isolation switch is connected with the positive pole of rectifier circuit by resistance, ground wire is accessed after the negative pole series diode of the photodiode of light-coupled isolation switch, the positive pole of the photodiode of light-coupled isolation switch also accesses ground wire after series capacity, the input terminus of photosensitive triode of light-coupled isolation switch is connected with the positive pole of rectifier circuit, the output terminal of photosensitive triode of light-coupled isolation switch is connected with the output terminal of photodiode.
By adopting technique scheme, the energy of thunderbolt progressively is introduced ground through multiple-stage treatment by the utility model, therefore the effect of lightning protection can better be reached, first step lightning protection device (voltage switching mode lightning protection for power supply) can be released for direct stroke electric current, or the huge energy of the conduction when power supply transmission line suffers direct stroke is released. Second stage lightning protection device (voltage limit power lightning protection device) is the shield responding to thunderbolt in the residual voltage for prime lightning protection device and district, during for prime generation bigger thunderbolt energy absorption, still the energy that equipment or third stage lightning protection device are quite huge can be conducted by some, it is necessary to second stage lightning protection device absorbs further. In addition, power transfer module is set in lightning protection device side, the second stage, for by unnecessary energy absorption, and stores in the way of electric energy, by exporting interface for rear class equipment use.
Compared to prior art, the utility model can not only more thoroughly lightning protection, and portion of energy can be converted into electric energy, for rear class equipment use, it is to increase energy utilization rate.
Accompanying drawing explanation
Figure is the schematic diagram of indoor photovoltaic apparatus lightning protection insert row.
Embodiment
Hereinafter, embodiment of the present utility model is described.
With reference to accompanying drawing, a kind of indoor LED illumination equipment lightning protection insert row, comprise the triple-phase line being made up of live wire L, zero line N, ground wire PE, common mode protection device RV1 and common mode protection device RV2, common mode protection device RV3, common mode protection device RV1 and common mode protection device RV2, common mode protection device RV3 are in series by voltage dependent resistor and fusing fuse cutout; Wherein, common mode protection device RV1 is connected between live wire L and zero line N, and the voltage dependent resistor of common mode protection device RV1 is connected with live wire L, and the output terminal of the fusing fuse cutout of common mode protection device RV1 is connected with zero line N; Wherein, common mode protection device RV2 and common mode protection device RV3 connects; the voltage dependent resistor of common mode protection device RV2 is connected with live wire L; the output terminal of the fusing fuse cutout of common mode protection device RV2 is connected with the voltage dependent resistor of common mode protection device RV3; the fusing fuse cutout of common mode protection device RV3 is connected with zero line N; wherein, connecting terminal between the voltage dependent resistor of common mode protection device RV3 and the fusing fuse cutout of common mode protection device RV2 is by being connected with ground wire PE after gas discharge tube V1.
With reference to accompanying drawing, whole circuit is from left to right: inlet side-go out end. live wire L, zero line N, ground wire PE, common mode protection device RV1, common mode protection device RV2, common mode protection device RV3 realize protection function as end of incoming cables common mode protection device, common mode protection device voltage dependent resistor series connection fuse wire. the as a whole assembly of this voltage dependent resistor, and subsidiary remote signaling function, product type is Sai Erte TFMOV20S391-IT. gas discharge tube V1, common mode protection device RV1 realizes the poor mould protection of live wire L and zero line N, the combination of common mode protection device RV2 and gas discharge tube V1 is realized the poor mould protection of live wire L and ground wire PE, the combination of common mode protection device RV3 and gas discharge tube V1 is realized the poor mould protection of zero line N and ground wire PE. herein, for optimized circuit designs, gas discharge tube V1 is for sharing device, and common mode protection device RV3 and common mode protection device RV2 can also arrange separately gas discharge tube V1. foregoing circuit is increased according on tradition insert row, prime lightning protection protection can be realized, and achieve the protection of full mould, gas discharge tube V1 can conducting under transient high voltage and high electric current impact, play the effect of buffering high-voltage and high electric current, voltage dependent resistor in common mode protection device has absorption portion transient high voltage and high electric current, alleviate the impact of transient high voltage and high electric current, the fusing fuse cutout impacted in lower common mode protection device of transient high voltage and high electric current is avoided to disconnect, until voltage dependent resistor receptivity reach peak value after, when transient high voltage and high electric current still exceed the nominal operation condition of fusing fuse cutout, fusing fuse cutout starts disconnection, to ensure the use safety of insert row, the frequent disconnection of fusing fuse cutout can be avoided, only run into super thunder and lightning transient high voltage and high electric current, when voltage dependent resistor snubber is inadequate, just start fusing fuse cutout, the fusing number of times of fusing fuse cutout can be greatly reduced.
In addition, the prime at anti-static protection circuit is coupled with voltage limit power lightning protection device V3, and the prime of voltage limit power lightning protection device V3 is coupled with voltage switching mode lightning protection for power supply V2, and voltage switching mode lightning protection for power supply V2 is coupled to three lines. Voltage limit power lightning protection device V2 is also coupled with power transfer module P1, and power transfer module P1 has the output interface of an electricity supply and use equipment access. Like this, the energy of thunderbolt progressively is introduced ground through multiple-stage treatment by the utility model, therefore the effect of lightning protection can better be reached, first step lightning protection device (voltage switching mode lightning protection for power supply) can be released for direct stroke electric current, or the huge energy of the conduction when power supply transmission line suffers direct stroke is released. Second stage lightning protection device (voltage limit power lightning protection device) is the shield responding to thunderbolt in the residual voltage for prime lightning protection device and district, during for prime generation bigger thunderbolt energy absorption, still the energy that equipment or third stage lightning protection device are quite huge can be conducted by some, it is necessary to second stage lightning protection device absorbs further. In addition, power transfer module is set in lightning protection device side, the second stage, for by unnecessary energy absorption, and stores in the way of electric energy, by exporting interface for rear class equipment use.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is also not only confined to above-described embodiment, and all technical schemes belonged under the utility model thinking all belong to protection domain of the present utility model. It is noted that for those skilled in the art, in the some improvements and modifications not departed under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (5)
1. an indoor photovoltaic apparatus lightning protection insert row; comprise three lines being made up of live wire, zero line, ground wire; and it is coupled to the anti-static protection circuit of three lines; described anti-static protection circuit is prepended to electrical equipment; it is characterized in that: the prime of described anti-static protection circuit is coupled with voltage limit power lightning protection device; the prime of described voltage limit power lightning protection device is coupled with voltage switching mode lightning protection for power supply, and described voltage switching mode lightning protection for power supply is coupled to three lines.
2. indoor photovoltaic apparatus lightning protection insert row according to claim 1, it is characterised in that: described voltage limit power lightning protection device is also coupled with power transfer module, and described power transfer module has the output interface of an electricity supply and use equipment access.
3. indoor photovoltaic apparatus lightning protection insert row according to claim 1, it is characterised in that: also comprising multiple common mode protection device being coupled to three lines, arbitrary described common mode protection device is in series by voltage dependent resistor and fusing fuse cutout.
4. indoor photovoltaic apparatus lightning protection insert row according to claim 1; it is characterized in that: also comprise anti-static protection circuit; anti-static protection circuit comprises rectifier circuit; by moving back, even device is connected an input terminus of rectifier circuit with live wire, and by moving back, even device is connected another input terminus of rectifier circuit with zero line.
5. indoor photovoltaic apparatus lightning protection insert row according to claim 4, it is characterized in that: described anti-static protection circuit also comprises rear pole protection circuit, described rear pole protection circuit is primarily of light-coupled isolation switch, two-way transient diode is formed, wherein, two-way transient diode is in series with photodiode, resistance, two-way transient diode is also connected with the positive pole of rectifier circuit, resistance is connected with the negative pole of rectifier circuit, the positive pole of the photodiode of light-coupled isolation switch is connected with the positive pole of rectifier circuit by resistance, ground wire is accessed after the negative pole series diode of the photodiode of light-coupled isolation switch, the positive pole of the photodiode of light-coupled isolation switch also accesses ground wire after series capacity, the input terminus of photosensitive triode of light-coupled isolation switch is connected with the positive pole of rectifier circuit, the output terminal of photosensitive triode of light-coupled isolation switch is connected with the output terminal of photodiode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620032259.9U CN205282806U (en) | 2016-01-13 | 2016-01-13 | Indoor photovoltaic for equipment lightning protection row inserts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620032259.9U CN205282806U (en) | 2016-01-13 | 2016-01-13 | Indoor photovoltaic for equipment lightning protection row inserts |
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| Publication Number | Publication Date |
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| CN205282806U true CN205282806U (en) | 2016-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620032259.9U Active CN205282806U (en) | 2016-01-13 | 2016-01-13 | Indoor photovoltaic for equipment lightning protection row inserts |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110289753A (en) * | 2019-06-13 | 2019-09-27 | 中国科学院武汉病毒研究所 | A kind of lightning protection for power supply suitable for IDC computer room |
-
2016
- 2016-01-13 CN CN201620032259.9U patent/CN205282806U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110289753A (en) * | 2019-06-13 | 2019-09-27 | 中国科学院武汉病毒研究所 | A kind of lightning protection for power supply suitable for IDC computer room |
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