CN202260382U - Lightning protection power distributor with double tripping function - Google Patents
Lightning protection power distributor with double tripping function Download PDFInfo
- Publication number
- CN202260382U CN202260382U CN2011203449616U CN201120344961U CN202260382U CN 202260382 U CN202260382 U CN 202260382U CN 2011203449616 U CN2011203449616 U CN 2011203449616U CN 201120344961 U CN201120344961 U CN 201120344961U CN 202260382 U CN202260382 U CN 202260382U
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- Prior art keywords
- lightning protection
- lightning
- resistance
- piezo
- protection module
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Abstract
The utility model discloses a lightning protection power distributor with a double tripping function. The lightning protection power distributor comprises a power cord, a shell, a lightning protection module and a plurality of power output sockets. The lightning protection module and the power output sockets are assembled on a panel of the shell. The power cord is communicated with the lightning protection module in the shell and output pins of the power output sockets. The lightning protection module comprises voltage dependent resistors, a gas discharge tube, a light-emitting diode (LED) luminous tube, a current limiting resistor, a printed circuit board (PCB), thermal fuses, phosphor copper spring pieces and low-temperature soldering joints, wherein the voltage dependent resistors and the gas discharge tube form a lightning protection loop; and the phosphor copper spring pieces, the low-temperature soldering joints and the thermal fuses form a double tripper, and are connected in series with the lightning protection loop. The lightning protection module is connected in parallel among a live wire, a null line and a ground wire of the power cord. The double tripper flicks on the lightning protection loop when the voltage dependent resistors are heated. The LED luminous tube is connected in series with the current limiting resistor, and then is connected to the voltage dependent resistor sides of the two low-temperature soldering joints. By the lightning protection power distributor, external equipment can be protected from lightning, and a lightning protection device can be safeguarded.
Description
Technical field
The utility model relates to lightning protection and supply socket field, is specifically related to a kind of lightning protection electric power source distribution device of dual dropout.
Background technology
Along with the progress of society and the popularization of science and technology, people's activity in production and daily life more and more be unable to do without various electrical equipment, communication apparatus, thereby will use supply socket a large amount of, various ways.The supply socket great majority of normal domestic are main with the plastic casing structure, and a kind of standard metal shell mechanism electric power source distribution device has been released in commercial power supply socket field in recent years, are applicable to the power supply of equipment in various electric power, communication and the instrument rack.Lightning protection device impacts and prevents the electrical installation of surge interference as a kind of induction lightening that prevents, is promoted the use of gradually at present.Kind is a lot of in the market for the product that lightning protection device and electric power source distribution device are combined into one; General principle is that access is main lightning protection component with the piezo-resistance in electric power source distribution device socket point of incoming cables; Make the follow-up accessory power outlet of power circuit obtain lightning protection, anti-surge protection, for external connection electrical apparatus equipment provides the Electrical Safety guarantee.
Has the lightning protection component piezo-resistance that adopts in the electric power source distribution device of lightning protection function; Has the advantage that discharge capacity is big, reflection is rapid, price is not high; But piezo-resistance as receive excessive impact or occur aging, when losing efficacy, itself may sharply generate heat even catching fire.To this defective, the consideration of the fault of protection piezo-resistance own is all arranged in the lightning protection device, in a single day piezo-resistance is broken down can break away from power circuit, avoid lightning protection component itself that electric power source distribution device and supply line are caused adverse effect.The electric power source distribution device of band lightning protection function in the industry; Generally between piezoresistive element and power circuit, seal in fuse tube or Temperature protection fiber tube; But the general ampacity of small-sized fuse tube that can pack in the electric power source distribution device shell is little, when normal lightning protection earial drainage, often will fuse; As slower with the Thermal Cutoffs reaction that then fuses, differing makes the fault lightning protection component hightail power circuit surely, thus comprehensive inadequately aspect the fail safe of the reliability of lightning protection and use, can not take into account.
The utility model content
For solving the problems of the technologies described above, we have proposed a kind of lightning protection lightning protection electric power source distribution device with dual tripping function reliable, safe in utilization.
For achieving the above object, the technical scheme of the utility model is following:
A kind of lightning protection electric power source distribution device of dual dropout is made up of power line, shell, lightning-protection module and some power output sockets; Said lightning-protection module and power output socket are assemblied on the said housing face-plate; The pin that goes out of lightning-protection module in said power line and the shell and power output socket is connected, and it is characterized in that: said lightning-protection module comprises piezo-resistance, gas discharge tube, LED luminous tube, current-limiting resistance, PCB circuit board, Thermal Cutoffs, phosphor-copper spring leaf and low temperature bump; Said piezo-resistance, gas discharge tube constitute the lightning protection loop; Said phosphor-copper spring leaf, low temperature bump, Thermal Cutoffs are formed dual release, and are serially connected in the lightning protection loop; Said lightning-protection module is attempted by between fire, zero line and the ground wire of power line; Said Thermal Cutoffs, phosphor-copper spring leaf and low temperature bump at said piezo-resistance adstante febre with said lightning protection loop fusing with flick; Said LED luminous tube is connected in series the piezo-resistance side that is connected on two place's low temperature bumps behind the said current-limiting resistance.
Preferably, constitute the lightning protection loop by said piezo-resistance, Thermal Cutoffs in the said lightning-protection module, be attempted by between live wire (L), zero line (N) and the ground wire (PE) of power line.
Preferably, form dual release by phosphor-copper spring leaf, low temperature bump, Thermal Cutoffs in the said lightning-protection module.
Preferably, said piezo-resistance and said phosphor-copper spring leaf are connected to the eutectic welding soldering and connect.
Preferably, said piezo-resistance and said Thermal Cutoffs are that heat-shrinkable T bush and heat-conducting glue are close to installation with both.
Preferably, said LED luminous tube is connected in series piezo-resistance pin one side that is connected to said low temperature bump behind the said current-limiting resistance.
Through technique scheme, the utility model utilization piezo-resistance, gas discharge tube make the external electric equipment that is connected on the electric power source distribution device accessory power outlet receive lightning protection, anti-surge protection; Utilize the dual dropout principle of Thermal Cutoffs, phosphor-copper spring leaf and low temperature bump; In piezo-resistance itself adstante febre fission, aging, inefficacy appears and; Can and flick the fusing of lightning protection loop, make defective device hightail power circuit, avoid causing short circuit even accident on fire; After adopting LED luminous tube serial connection current-limiting resistance, be connected on the piezo-resistance side of two place's low temperature bumps, play the effect of indication lightning-protection module operating state.Through above-mentioned design, the lightning protection electric power source distribution device of the dual dropout of the utility model has reached lightning protection purpose reliable, safe in utilization.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the lightning protection electric power source distribution device circuit theory sketch map of the disclosed a kind of dual dropout of the utility model embodiment;
Fig. 2 is the contour structures sketch map of the lightning protection electric power source distribution device of the disclosed a kind of dual dropout of the utility model embodiment;
Fig. 3 is the internal structure sketch map of the lightning protection electric power source distribution device of the disclosed a kind of dual dropout of the utility model embodiment.
The numeral corresponding component title represented among the figure with letter:
1. power line 2. shells 21. panels 22. back covers 23. stators
3. lightning-protection module 31. piezo-resistances 32. Thermal Cutoffs
33.LED luminous tube 34. gas discharge tubes 35. current-limiting resistances
36.PCB circuit board 37. phosphor-copper spring leafs 38. low temperature bumps
4. multiple power supplies accessory power outlet
Embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment will be carried out clear, intactly description.Obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
The utility model provides a kind of lightning protection electric power source distribution device of dual dropout; Its operation principle is: complete machine is made up of power line, shell, lightning-protection module and multiple power supplies accessory power outlet; Be contained in the piezo-resistance on the PCB circuit board in the said lightning-protection module; Adopt the eutectic welding soldering to connect with the phosphor-copper spring leaf earlier, be connected in series Thermal Cutoffs again, be attempted by then between live wire, zero line and the ground wire of said power line; When receiving induction lightening impact or surge interference on the power line, make the rapid conducting of said piezo-resistance, pressure limiting, lightning current is released to the earth through said gas discharge tube, makes the power consumption equipment that is connected on the said power output socket obtain lightning protection, anti-surge protection; Fission, aging, inefficacy occur and adstante febre in said piezo-resistance itself, heat passes to Thermal Cutoffs and low temperature bump respectively, makes their fuse, flick, and defective device is hightailed power circuit, avoids causing short circuit even accident on fire; Said piezo-resistance and the piezo-resistance side that is connected on two place's low temperature bumps after said LED luminous tube is connected in series a current-limiting resistance play the effect of indication lightning-protection module operating state.
Below in conjunction with embodiment and embodiment the utility model is done further detailed explanation.
Embodiment.
Like Fig. 1, Fig. 2 and shown in Figure 3, a kind of lightning protection electric power source distribution device of dual dropout is made up of power line 1, shell 2, lightning-protection module 3 and multiple power supplies accessory power outlet 4.Shell 2 comprises front panel 21, back cover 22 and stator 23; Comprise piezo-resistance 31, Thermal Cutoffs 32, LED luminous tube 33, gas discharge tube 34, current-limiting resistance 35, PCB circuit board 36, phosphor-copper spring leaf 37 and low temperature bump 38 in the lightning-protection module 3.Said power line 1 is connected with power output socket 4 with the lightning-protection module 3 in the shell 2.
As shown in Figure 1, in lightning-protection module 3, two pressure-sensitive upper ends of electric 31 are connected with an end of two phosphor-copper spring leafs 37 respectively, and junction employing fusing point is that 140 ℃ eutectic welding soldering connects; The other end of phosphor-copper spring leaf 37 be connected in series respectively a fusing point be behind 105 ℃ the Thermal Cutoffs 32 respectively with power line 1 in L, N line be connected; Adopt heat-shrinkable T bush and heat-conducting glue that piezo-resistance 31 and Thermal Cutoffs 32 are close together during installation; The one end merging of the lower end of two piezo-resistances 31 and gas discharge tube 34 is connected together, and the PE line in another termination power line 1 of gas discharge tube 34 forms the lightning protection loop; Behind current-limiting resistance 35 of LED luminous tube 33 serial connections, be connected on piezo-resistance 31 sides of two place's low temperature bumps 38, in order to the operating state of indication lightning-protection module 3.
The operation principle of the lightning protection electric power source distribution device of a kind of dual dropout of the utility model is: as shown in Figure 1; When power line 1 receives induction lightening impact or surge voltage interference; Piezo-resistance 31 moment conducting in the lightning-protection module 3 that lightning protection electric power source distribution device input is installed; Lightning current is introduced ground wire through gas discharge tube 34 releases; The clamp voltage that while piezo-resistance 31 two ends appear makes the external power consumption equipment of follow-up supply socket obtain lightning protection, anti-surge protection with being limited in less voltage levvl between power supply fire, the zero line; As shown in Figure 3; When piezo-resistance 31 through repeatedly bigger lightning impulse or fission, aging, when losing efficacy, puncture short might appear, cause serious heating; The Thermal Cutoffs 32 that be close on its limit this moment will receive thermal cut; Low temperature bump 38 junctions that while piezo-resistance 31 and phosphor-copper spring leaf are 37 also will be melted, and phosphor-copper spring leaf 37 is flicked rapidly from piezo-resistance 31 upper end electrode, and so dual tripping mechanism can make fault piezo-resistance 31 hightail power circuit; Avoid further heating, short circuit even on fire, ensured the safety of power circuit and power consumption equipment; As shown in Figure 1 again; Be connected on piezo-resistance 31 sides of two place's low temperature bumps 38 behind current-limiting resistance 35 of LED luminous tube 33 serial connections; Represent when the LED luminous tube is bright that lightning protection component is in proper working order, represent when extinguishing that lightning protection component lost efficacy and breaks away from power circuit, should keep in repair or change.
Pass through technique scheme; The utility model is connected on when working on the normal power circuit; Piezo-resistance 31 in the lightning-protection module 3 all is high-impedance state with gas discharge tube 34, and Thermal Cutoffs 32, phosphor-copper spring leaf 37 and low temperature bump 38 all are conducting state, and the lightning protection loop has no influence to power circuit and electric power source distribution device; This moment, LED luminous tube 33 bright lamps were represented in proper working order; When the interference of lightning impulse or surge on power circuit, occurring, the effect of pressure limiting and earial drainage will be played in the lightning protection loop that piezo-resistance 31 and gas discharge tube 34 are formed; When piezo-resistance 31 itself breaks down and excessive adstante febre, will cause Thermal Cutoffs 32, phosphor-copper spring leaf 37 and 38 actions of low temperature bump, make fault element hightail circuit, ensure the safe in utilization of electric power source distribution device; LED luminous tube 33 was turned off the light after losing efficacy in the lightning protection loop, prompting user's on-call maintenance or replacing.The dual dropout shocking preventing technology of the utility model utilization has been realized the purpose of electric power source distribution device safe handling.
Above-mentioned explanation to the lightning protection electric power source distribution device embodiment of disclosed a kind of dual dropout makes this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments among this paper.Therefore, the present invention will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (6)
1. the lightning protection electric power source distribution device of a dual dropout is made up of power line, shell, lightning-protection module and some power output sockets; Said lightning-protection module and power output socket are assemblied on the said housing face-plate; The pin that goes out of lightning-protection module in said power line and the shell and power output socket is connected, and it is characterized in that: said lightning-protection module comprises piezo-resistance, gas discharge tube, LED luminous tube, current-limiting resistance, PCB circuit board, Thermal Cutoffs, phosphor-copper spring leaf and low temperature bump; Said piezo-resistance, gas discharge tube constitute the lightning protection loop; Said phosphor-copper spring leaf, low temperature bump, Thermal Cutoffs are formed dual release, and are serially connected in the lightning protection loop; Said lightning-protection module is attempted by between fire, zero line and the ground wire of power line; Said Thermal Cutoffs, phosphor-copper spring leaf and low temperature bump at said piezo-resistance adstante febre with said lightning protection loop fusing with flick; Said LED luminous tube is connected in series the piezo-resistance side that is connected on two place's low temperature bumps behind the said current-limiting resistance.
2. the lightning protection electric power source distribution device of a kind of dual dropout according to claim 1; It is characterized in that; Constitute the lightning protection loop by said piezo-resistance, Thermal Cutoffs in the said lightning-protection module, be attempted by between live wire (L), zero line (N) and the ground wire (PE) of power line.
3. the lightning protection electric power source distribution device of a kind of dual dropout according to claim 1 is characterized in that, forms dual release by phosphor-copper spring leaf, low temperature bump, Thermal Cutoffs in the said lightning-protection module.
4. the lightning protection electric power source distribution device of a kind of dual dropout according to claim 1 is characterized in that, said piezo-resistance and said phosphor-copper spring leaf are connected to the eutectic welding soldering and connect.
5. the lightning protection electric power source distribution device of a kind of dual dropout according to claim 1 is characterized in that, said piezo-resistance and said Thermal Cutoffs are that heat-shrinkable T bush and heat-conducting glue are close to installation with both.
6. the lightning protection electric power source distribution device of a kind of dual dropout according to claim 1 is characterized in that, said LED luminous tube is connected in series piezo-resistance pin one side that is connected to said low temperature bump behind the said current-limiting resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203449616U CN202260382U (en) | 2011-09-15 | 2011-09-15 | Lightning protection power distributor with double tripping function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203449616U CN202260382U (en) | 2011-09-15 | 2011-09-15 | Lightning protection power distributor with double tripping function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202260382U true CN202260382U (en) | 2012-05-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203449616U Expired - Lifetime CN202260382U (en) | 2011-09-15 | 2011-09-15 | Lightning protection power distributor with double tripping function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202260382U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014063362A1 (en) * | 2012-10-26 | 2014-05-01 | Littelfuse, Inc. | Surge protection device |
| CN105552653A (en) * | 2014-11-04 | 2016-05-04 | 安徽美琳电子有限公司 | lightning protection type power extension cord |
| CN105591245A (en) * | 2014-11-04 | 2016-05-18 | 安徽美琳电子有限公司 | Fifteen-hole power socket |
| US20180062374A1 (en) | 2015-04-07 | 2018-03-01 | Dongguan Littelfuse Electronics Co., Ltd. | Surge protection device |
-
2011
- 2011-09-15 CN CN2011203449616U patent/CN202260382U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014063362A1 (en) * | 2012-10-26 | 2014-05-01 | Littelfuse, Inc. | Surge protection device |
| US20150228429A1 (en) * | 2012-10-26 | 2015-08-13 | Littelfuse, Inc. | Surge protection device |
| CN105917541A (en) * | 2012-10-26 | 2016-08-31 | 保险丝公司 | Surge protection device |
| CN105917541B (en) * | 2012-10-26 | 2018-06-26 | 保险丝公司 | Surge protection device |
| US10062530B2 (en) * | 2012-10-26 | 2018-08-28 | Dongguan Littelfuse Electronics Co., Ltd. | Surge protection device |
| US10325739B2 (en) * | 2012-10-26 | 2019-06-18 | Littelfuse, Inc. | Surge protection device |
| CN105552653A (en) * | 2014-11-04 | 2016-05-04 | 安徽美琳电子有限公司 | lightning protection type power extension cord |
| CN105591245A (en) * | 2014-11-04 | 2016-05-18 | 安徽美琳电子有限公司 | Fifteen-hole power socket |
| US20180062374A1 (en) | 2015-04-07 | 2018-03-01 | Dongguan Littelfuse Electronics Co., Ltd. | Surge protection device |
| US10148079B2 (en) | 2015-04-07 | 2018-12-04 | Dongguan Littelfuse Electronics Co., Ltd. | Surge protection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120530 |