CN203289150U - Anti-thunder charger - Google Patents
Anti-thunder charger Download PDFInfo
- Publication number
- CN203289150U CN203289150U CN2013203250226U CN201320325022U CN203289150U CN 203289150 U CN203289150 U CN 203289150U CN 2013203250226 U CN2013203250226 U CN 2013203250226U CN 201320325022 U CN201320325022 U CN 201320325022U CN 203289150 U CN203289150 U CN 203289150U
- Authority
- CN
- China
- Prior art keywords
- charger
- zinc
- tmov2
- tmov1
- oxide piezoresistor
- Prior art date
Links
- 230000001012 protector Effects 0.000 claims abstract description 16
- 229960001296 Zinc Oxide Drugs 0.000 claims description 18
- XLOMVQKBTHCTTD-UHFFFAOYSA-N zinc monoxide Chemical compound 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[Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 18
- 229910001614 zinc oxide Inorganic materials 0.000 claims description 18
- 235000014692 zinc oxide Nutrition 0.000 claims description 18
- 239000011787 zinc oxide Substances 0.000 claims description 18
- 239000007789 gases Substances 0.000 claims description 14
- 230000001681 protective Effects 0.000 claims description 14
- 230000001264 neutralization Effects 0.000 claims description 5
- 239000004698 Polyethylene (PE) Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 230000002633 protecting Effects 0.000 abstract description 3
- 230000017525 heat dissipation Effects 0.000 abstract 1
- 238000010586 diagrams Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001052 transient Effects 0.000 description 2
- 206010042255 Struck by lightning Diseases 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 230000001131 transforming Effects 0.000 description 1
Abstract
The utility model relates to an anti-thunder charger; and aims to provide the charger with comparatively good lightning protection capability, capable of protecting electronic elements in the charger and having characteristics of simple structure and comparatively low cost. The technical scheme is that the anti-thunder charger includes a shell, a transformer installed in the shell, a circuit board and a heat dissipation mechanism. The anti-thunder charger is characterized in that the charger is also provided with a surge protector disposed between the transformer and a power plug.
Description
Technical field
The utility model relates to a kind of charger, especially a kind of charger with lightning protection function.
Background technology
Existing battery charger adopts Industrial Frequency Transformer that 220V is exchanged and becomes low-voltage alternating-current usually, then through the circuit board rectifying and wave-filtering, is that direct current charges.This type of charger is usually located at open air, due to a large amount of electronic equipments being arranged in charger, the ability of tolerance thunderbolt voltage is poor, annual thunderstorm season, charger is all arranged by broken by lightning, maintenance cost is higher, needs a kind of solution preferably,, in the situation that input is little, greatly reduce the probability of damage of charger.
The utility model content
The purpose of this utility model is the deficiency that overcomes in the above-mentioned background technology; a kind of charger with lightning protection function is provided; this charger should have anti-lightning strike ability preferably, can effectively protect the electronic component in charger, and has simple in structure, lower-cost characteristics.
The utility model can be achieved through the following technical solutions:
The lightning protection charger, comprise housing, be arranged on transformer, circuit board and cooling mechanism in housing, and it is characterized in that: described charger also is provided with Surge Protector, and this Surge Protector is between transformer and attaching plug.
Described Surge Protector comprises by two Zinc-oxide piezoresistor TMOV1, TMOV2 and the monophase equilibrium circuit that secondary gas discharge tube G1 forms; Be attempted by between the phase line L and neutral line N of attaching plug after two Zinc-oxide piezoresistor TMOV1, TMOV2 series connection, form the differential mode protective circuit; The pin of secondary gas discharge tube G1 is connected to two point midways between Zinc-oxide piezoresistor TMOV1, TMOV2, and another pin is connected with the ground wire PE of attaching plug, forms two groups of common mode protective circuits.
In described two groups of common mode protective circuits, Zinc-oxide piezoresistor TMOV1 connects with secondary gas discharge tube G1 and forms one group of common mode protective circuit, and Zinc-oxide piezoresistor TMOV2 and secondary gas discharge tube G1 form another group common mode protective circuit.
The beneficial effects of the utility model are: the utility model is by arranging Surge Protector at the transformer front end; when being subject to the effects of lightning large voltage of input and large electric current; Surge Protector can be protected the electronic component in charger; prevent its damage; maintenance cost saving, and of the present utility model simple in structure, easy to manufacture; production cost is lower, has good market prospects.
Description of drawings
Fig. 1 is main TV structure schematic diagram of the present utility model.
Fig. 2 is the circuit structure diagram of Surge Protector in Fig. 1.
Embodiment
Below in conjunction with Figure of description, the utility model is described in further detail.
As shown in Figure 1, the lightning protection charger, comprise housing 1, be arranged on transformer 6, circuit board 2, control button 7, electric current dial gauge 8 and cooling mechanism 3 in housing, transformer carries out transformation from attaching plug 5 access power supplys, from lead-out terminal 9 outputs, storage battery is charged after the circuit board rectification.
Charger described in the utility model also is provided with Surge Protector 4, and this Surge Protector is between transformer and attaching plug, and when having thunderbolt voltage to enter charger, Surge Protector can prevent that voltage from entering, thereby the protection charger is not damaged.
As shown in Figure 2, described Surge Protector is a kind of surge protecting circuit of port parallel form, comprises Zinc-oxide piezoresistor TMOV1, TMOV2 and the monophase equilibrium circuit that secondary gas discharge tube G1 forms of including Thermal Cutoffs by two.Be attempted by between the phase line L and neutral line N of attaching plug after two Zinc-oxide piezoresistor TMOV1, TMOV2 series connection, form the differential mode protective circuit, guarantee residual voltage between line; The pin of secondary gas discharge tube G1 is connected to two point midways between Zinc-oxide piezoresistor TMOV1, TMOV2; another pin is connected with the ground wire PE of attaching plug; form two groups of common mode protective circuits; wherein Zinc-oxide piezoresistor TMOV1 connects with secondary gas discharge tube G1 and forms one group of common mode protective circuit, and Zinc-oxide piezoresistor TMOV2 and secondary gas discharge tube G1 form another group common mode protective circuit.
The operation principle of Surge Protector is: before the surge that causes of thunderbolt was arrived, all parallel connections Zinc-oxide piezoresistor and secondary gas discharge tube on the line all was high-impedance state, on system works without impact; When lightning surge comes temporarily, in two kinds of situation: the one, between line, (differential mode) is between phase line L and neutral N; The 2nd, line and ground (common mode) are between phase line L, neutral N and ground; When between line, surge was impacted, pressure limiting element Zinc-oxide piezoresistor TMOV1 and TMOV2 transient switching were low resistive state, but the voltage at outlet two ends is guaranteed in protected equipment tolerance range; When line impacts with the ground surge, pressure limiting element Zinc-oxide piezoresistor TMOV1 or TMOV2 and two utmost point gas discharge tube G1 transient switchings, but the line ground voltage is guaranteed in protected equipment tolerance range.
The equal buyable of above-mentioned all components and parts obtains, and the model that described Surge Protector also can the outsourcing maturation, specifically determine according to actual needs.
Claims (3)
1. lightning protection charger; comprise housing (1), be arranged on transformer (6), circuit board (2) and cooling mechanism (3) in housing; it is characterized in that: described charger also is provided with Surge Protector (4), and this Surge Protector is positioned between transformer and attaching plug (5).
2. lightning protection charger according to claim 1, it is characterized in that: described Surge Protector comprises by two Zinc-oxide piezoresistor TMOV1, TMOV2 and the monophase equilibrium circuit that secondary gas discharge tube G1 forms; Be attempted by between the phase line L and neutral line N of attaching plug after two Zinc-oxide piezoresistor TMOV1, TMOV2 series connection, form the differential mode protective circuit; The pin of secondary gas discharge tube G1 is connected to two point midways between Zinc-oxide piezoresistor TMOV1, TMOV2, and another pin is connected with the ground wire PE of attaching plug, forms two groups of common mode protective circuits.
3. lightning protection charger according to claim 2; it is characterized in that: in described two groups of common mode protective circuits; Zinc-oxide piezoresistor TMOV1 connects with secondary gas discharge tube G1 and forms one group of common mode protective circuit, and Zinc-oxide piezoresistor TMOV2 and secondary gas discharge tube G1 form another group common mode protective circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203250226U CN203289150U (en) | 2013-05-21 | 2013-05-21 | Anti-thunder charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203250226U CN203289150U (en) | 2013-05-21 | 2013-05-21 | Anti-thunder charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203289150U true CN203289150U (en) | 2013-11-13 |
Family
ID=49545494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203250226U CN203289150U (en) | 2013-05-21 | 2013-05-21 | Anti-thunder charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203289150U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103987216A (en) * | 2014-05-09 | 2014-08-13 | 广西南宁百兰斯科技开发有限公司 | Control cabinet with lightning protector |
| CN103986207A (en) * | 2014-05-09 | 2014-08-13 | 广西南宁百兰斯科技开发有限公司 | Lightning-protection charger |
| CN106841888A (en) * | 2016-10-17 | 2017-06-13 | 垂德尔塔麦登沙有限公司 | Surgesuppressor supervising device and the monitoring system including supervising device |
| WO2018090922A1 (en) * | 2016-11-16 | 2018-05-24 | 英飞特电子（杭州）股份有限公司 | Lightning protection circuit and lightning protection power supply using same |
-
2013
- 2013-05-21 CN CN2013203250226U patent/CN203289150U/en not_active IP Right Cessation
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103987216A (en) * | 2014-05-09 | 2014-08-13 | 广西南宁百兰斯科技开发有限公司 | Control cabinet with lightning protector |
| CN103986207A (en) * | 2014-05-09 | 2014-08-13 | 广西南宁百兰斯科技开发有限公司 | Lightning-protection charger |
| CN106841888A (en) * | 2016-10-17 | 2017-06-13 | 垂德尔塔麦登沙有限公司 | Surgesuppressor supervising device and the monitoring system including supervising device |
| WO2018090922A1 (en) * | 2016-11-16 | 2018-05-24 | 英飞特电子（杭州）股份有限公司 | Lightning protection circuit and lightning protection power supply using same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131113 Termination date: 20140521 |