CN202678963U - Mobile lightning protection unit for power strips - Google Patents
Mobile lightning protection unit for power strips Download PDFInfo
- Publication number
- CN202678963U CN202678963U CN 201220339731 CN201220339731U CN202678963U CN 202678963 U CN202678963 U CN 202678963U CN 201220339731 CN201220339731 CN 201220339731 CN 201220339731 U CN201220339731 U CN 201220339731U CN 202678963 U CN202678963 U CN 202678963U
- Authority
- CN
- China
- Prior art keywords
- pin
- lightning protection
- wire pin
- live wire
- lightning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model relates to a lightning protection device and in particular relates to a mobile lightning protection unit for power strips, comprising a shell; a live wire pin, a neutral wire pin and a ground wire pin which are matched with hole positions of a power strip and are distributed in the shape of a triangle on one side face of the shell; and a lightning protection circuit board fixedly installed inside the shell. Wires are connected between the lightning protection circuit board and the live wire pin, between the lightning protection circuit board and the neutral wire pin and between the lightning protection circuit board and the ground wire pin respectively; and the lightning protection circuit board includes a piezoresistor connected in parallel between the live wire pin and the neutral wire pin, a piezoresistor connected in parallel between the live wire pin and the ground wire pin and a piezoresistor connected in parallel between the neutral wire pin and the ground wire pin, and the three piezoresistors are jointly connected in series with a gas discharge tube. The mobile lightning protection unit for power strips is simple in structure, low in cost, convenient to operate and maintain, good in lightning protection and power grid overvoltage protection functions, obvious in degradation indicating, and very favorable for popularization and application.
Description
Technical field
The utility model relates to a kind of lightning protection device, particularly relate to a kind of insert row moving lightning-protection unit, be applied to various places with the insert row power supply, be particularly useful for the more abominable place of thunderstorm environment, require to need to install the place of lightning protection device and the environment that the electrical network abnormal overvoltage may occur according to GB.
Background technology
Lightning Disaster is one of ten kinds of the most serious natural calamities of " the United Nations's IDNDR " announcement, along with developing rapidly of IT industry, the loss that lightning strike accident brings and impact are also increasing, especially communication and the microelectronic device such as computer network and electronic system are produced extremely widely destructiveness.Along with the attention of State-level, increasing customer selecting lightning-protected product is protected the safety of important power consumption equipment.
At present, mostly the common lightning protection busbar on the market is to place lightning protection circuit insert row inner, becomes the distribution insert row with lightning protection function.There is inevitable problem of aging owing to being installed in the inner lightning protection component that plays the lightning protection effect of insert row, therefore behind the lightning protection component performance degradation, usually, whole lightning protection busbar all needs to replace, but only having the lightning protection components and parts in the in fact whole product is to need to change, other functions are all intact, thus integral body to change be a kind of great material waste, strengthened user's use cost.
Summary of the invention
The technical problems to be solved in the utility model overcomes above-mentioned the deficiencies in the prior art exactly, and provides a kind of simple in structure, and cost is lower, and it is convenient to change, and the low insert row special mobile formula lightning protection unit of maintenance cost.
For solving the problems of the technologies described above, the technical solution of the utility model is:
A kind of insert row moving lightning-protection unit, comprise the live wire pin that distribution triangular in shape is installed and is complementary with position, insert row hole on housing and housing one side, zero line pin and earth pin, also comprise a lightning protection circuit plate that is fixedly installed in enclosure interior, lightning protection circuit plate and live wire pin, there is respectively wire to connect between zero line pin and the earth pin, described lightning protection circuit plate includes a piezo-resistance in parallel between live wire pin and the zero line pin, between live wire pin and the earth pin and a zero line pin piezo-resistance in parallel with the earth pin among, the gas discharge tube of jointly connecting again.
Described lightning protection circuit plate also comprises two fuses, two fuses are connected on before live wire pin one end and each piezo-resistance, one of them fuse simultaneously and the piezo-resistance between piezo-resistance, live wire pin and zero line pin between live wire pin and earth pin is close installs, and another fuse then and the piezo-resistance between zero line pin and earth pin is close installs.
Also comprise the red and green color indicating circuit that is connected in parallel between live wire pin and the zero line pin, described red and green color indicating circuit is made of a common cathode red and green color indicator light, two current-limiting resistances, a rectifier diode, described common cathode red and green color indicator light is in parallel with two fuses that are cascaded, one of them current-limiting resistance is connected between the anode of red colored lamp of fuse one end and common cathode red and green color indicator light, and another current-limiting resistance is connected between the end of the common negative electrode of common cathode red and green color indicator light and rectifier diode.
Described housing is made by plastic material.
The beneficial effect of technical solutions of the utility model is:
1, structurally, the utility model insert row comprises housing, pin and lightning protection circuit plate with the moving lightning-protection unit, and simple in structure, cost is lower, and this product is a kind of movably lightning-protected product simultaneously, and three pins and the general insert row of this product are supporting; When the power consumption equipment in a certain place need to carry out lightning protection; can insert this lightning protection unit in one of them position, hole of common insert row; can realize carrying out lightning protected and the protection of electrical network abnormal overvoltage to the product that utilizes this insert row power supply; in case the deteriorated damage of lightning protection component; indicator light can provide prompting; the user only need change the moving lightning-protection unit, and insert row is not affected, so this product has advantages of that simultaneously replacing is convenient, maintenance cost is low.
2, structurally; between common mode, the differential mode lightning protection components and parts are installed all on the lightning protection circuit plate described in the utility model; can be and utilize the product of insert row power supply that differential mode, the omnibearing lightning protected and electrical network abnormal overvoltage defencive function of common mode are provided; design red and green color indicating circuit on this external lightning protection circuit plate; provide simultaneously product deteriorated deixis, make things convenient for the user to safeguard needs.
3, to sum up, the utility model is simple in structure, and cost is lower, operates and safeguards very conveniently, and lightning protected function and power network overvoltage defencive function are effective, and deteriorated indication is obvious, is beneficial to very much and applies.
Accompanying drawing and explanation
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail, wherein:
Fig. 1 is the perspective view that the utility model insert row is used the moving lightning-protection unit;
Fig. 2 is the circuit diagram that the utility model insert row is used the moving lightning-protection unit;
Sequence number among the figure: 1, housing, 2, the live wire pin, 3, zero line pin, 4, earth pin, 5, the lightning protection circuit plate, 6, wire.
Embodiment
Embodiment:
Referring to Fig. 1, among the figure, the utility model insert row moving lightning-protection unit, comprise distribution triangular in shape and the live wire pin 2 that is complementary with position, insert row hole, zero line pin 3 and earth pin 4 are installed on housing 1 and housing 1 one sides, described three pins satisfy the national standard requirement, also comprise a lightning protection circuit plate 5 that is fixedly installed in housing 1 inside, have respectively wire 6 to be connected between lightning protection circuit plate 5 and live wire pin 2, zero line pin 3 and the earth pin 4; Described housing 1 is made by plastic material.By installing and the matching used pin 2 in position, GB insert row hole, 3,4 at product casing 1; can be applicable to various places with the insert row power supply; especially be applicable to the more abominable place of thunderstorm environment; require to need the place of lightning protection device and the environment that the electrical network abnormal overvoltage may occur are installed according to GB, thereby can realize the lightning protection unit realization being installed to the lightning protected function of power consumption equipment at insert row.
Referring to Fig. 2, among the figure, the utility model insert row comprises with the described lightning protection circuit plate 5 in moving lightning-protection unit and includes a piezo-resistance MOV1 in parallel between live wire pin 2 and the zero line pin 3, between live wire pin 2 and the earth pin 4 and zero line pin 3 piezo-resistance MOV2, a MOV3 in parallel with earth pin 4 amongs, a gas discharge tube GDT1 jointly connects again.By common mode on lightning protection circuit plate 5 (live wire pin 2 and earth pin 4; zero line pin 3 and earth pin 4); between the differential mode (live wire pin 2 and zero line pin 3) the lightning protection components and parts are installed all; when thunderbolt occurs by piezo-resistance MOV1; MOV2; MOV3 absorbs lightning surge; the thunderbolt voltage of superelevation is absorbed; and by gas discharge tube GDT1 the lightning current the earth of releasing; thereby between protection live wire pin 2 and the zero line pin 3; between live wire pin 2 and the earth pin 4; voltage stabilization between zero line pin 3 and the earth pin 4; realization is to electricity consumption product differential mode; the protection of the comprehensive lightning protection of common mode and power network overvoltage avoids power consumption equipment former thereby suffer damage owing to thunder and lightning reason and electrical network abnormal overvoltage.
Also comprise two fuse FS1, FS2 being cascaded, this fuse FS1, FS2 are connected on live wire one side of piezo-resistance MOV2, fuse FS1 abuts against with piezo-resistance MOV1 and MOV2 simultaneously when lightning protection circuit plate 5 is installed, and fuse FS2 then abuts against with piezo-resistance MOV3.If lightning current is excessive or the electrical network abnormal overvoltage is higher or long term device uses the quick resistance MOV1 of aging voltage or MOV2 to generate heat owing to leakage current is excessive or to puncture, can produce larger heat, can fuse near the fuse FS1 that installs with it, avoid causing that owing to the short circuit of piezo-resistance MOV1 or MOV2 upper level power supply sky is opened tripping operation and the lightning protection unit product itself is caused danger, in like manner, if lightning current is excessive or the electrical network abnormal overvoltage is higher or long term device uses the quick resistance MOV3 of aging voltage to generate heat owing to leakage current is excessive or to puncture, can produce larger heat, can fuse near the fuse FS2 that installs with it, avoid causing that owing to the short circuit of piezo-resistance MOV3 upper level power supply sky is opened tripping operation and the lightning protection unit product itself is caused danger, simultaneously the indicator light in the red and green color indicating circuit can be by the green light lamp that reddens, prompting user is changed, in order to arrive or line voltage is too high still can provide the lightning protection function to power consumption equipment at next lightning surge.
Also comprise and be connected in parallel in addition two pins 2, red and green color indicating circuit between 3, described red and green color indicating circuit is by a common cathode red and green color indicator light LED, two current-limiting resistance R1, R2, a rectifier diode D1 consists of, described common cathode red and green color indicator light LED and two fuse FS1, FS2 is in parallel, one of them current-limiting resistance R1 is connected between the anode of red colored lamp of fuse FS1 one end and common cathode red and green color indicator light LED, and another current-limiting resistance R2 is connected between the end of the common negative electrode of common cathode red and green color indicator light LED and rectifier diode D1.By the red and green color indicating circuit ruuning situation of whole product is indicated, indicator light gives a green light, and represents that this product work is normal; After the lightning protection component of lightning protection unit inside damages, indicator light sends out a warning, the expression product failure, can in time indicate the product failure situation, to make things convenient for the user to understand the validity of lightning protection function, when product failure, in time change, avoid follow-up thunderbolt and power network overvoltage to cause damage to power consumption equipment.Wherein the indicating circuit operation principle is described below: when product worked, the current path of indicating circuit was pin 2 → fuse FS → green indicating lamp → current-limiting resistance R2 → rectifier diode D1 → pin 3, thus the indicating effect that realization gives a green light; When the piezo-resistance deterioration failure in the product, can produce heat, the fuse that is close to it installation can disconnect, at this moment, the current path of indicating circuit is changed into pin 2 → current-limiting resistance R1 → red led → current-limiting resistance R2 → rectifier diode D1 → pin 3, thus the indicating effect that realization sends out a warning.
The above only is the schematic embodiment of the utility model; be not to limit scope of the present utility model; equivalent variations and modification that any those skilled in the art makes under the prerequisite that does not break away from the utility model design and principle all should belong to the scope that the utility model is protected.
Claims (4)
1. insert row moving lightning-protection unit, comprise the live wire pin (2) that distribution triangular in shape is installed and is complementary with position, insert row hole on housing (1) and housing (1) one side, zero line pin (3) and earth pin (4), comprise that also is fixedly installed in the inner lightning protection circuit plate (5) of housing (1), lightning protection circuit plate (5) and live wire pin (2), there is respectively wire (6) to connect between zero line pin (3) and the earth pin (4), it is characterized in that: described lightning protection circuit plate (5) includes a piezo-resistance in parallel (MOV1) between live wire pin (2) and the zero line pin (3), between live wire pin (2) and the earth pin (4) and zero line pin (3) and earth pin (a 4) among piezo-resistance (MOV2 in parallel, MOV3), the gas discharge tube (GDT1) of jointly connecting again.
2. insert row according to claim 1 moving lightning-protection unit, it is characterized in that: described lightning protection circuit plate (5) also comprises two fuse (FS1, FS2), two fuse (FS1, FS2) be connected on live wire pin (2) one ends and each piezo-resistance (MOV1, MOV2, MOV3) before, piezo-resistance (MOV2) between one of them fuse (FS1) while and live wire pin (2) and earth pin (4), piezo-resistance (MOV1) between live wire pin (2) and zero line pin (3) is near installing, and another fuse (FS2) then and the piezo-resistance (MOV3) between zero line pin (3) and earth pin (4) is close installs.
3. insert row according to claim 2 moving lightning-protection unit, it is characterized in that: also comprise the red and green color indicating circuit that is connected in parallel between live wire pin (2) and the zero line pin (3), described red and green color indicating circuit is by a common cathode red and green color indicator light (LED), two current-limiting resistance (R1, R2), a rectifier diode (D1) consists of, described common cathode red and green color indicator light (LED) and two fuse (FS1 that are cascaded, FS2) parallel connection, one of them current-limiting resistance (R1) is connected between the anode of red colored lamp of fuse (FS1) end and common cathode red and green color indicator light (LED), and another current-limiting resistance (R2) is connected between the end of the common negative electrode of common cathode red and green color indicator light (LED) and rectifier diode (D1).
4. according to claim 1 to 3 each described insert row moving lightning-protection unit, it is characterized in that: described housing (1) is made by plastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220339731 CN202678963U (en) | 2012-07-13 | 2012-07-13 | Mobile lightning protection unit for power strips |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220339731 CN202678963U (en) | 2012-07-13 | 2012-07-13 | Mobile lightning protection unit for power strips |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202678963U true CN202678963U (en) | 2013-01-16 |
Family
ID=47499838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220339731 Expired - Fee Related CN202678963U (en) | 2012-07-13 | 2012-07-13 | Mobile lightning protection unit for power strips |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202678963U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113791269A (en) * | 2021-08-30 | 2021-12-14 | 深圳供电局有限公司 | Socket ground wire abnormity detection method and device and socket |
-
2012
- 2012-07-13 CN CN 201220339731 patent/CN202678963U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113791269A (en) * | 2021-08-30 | 2021-12-14 | 深圳供电局有限公司 | Socket ground wire abnormity detection method and device and socket |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201194327Y (en) | Leakage detecting protection circuit | |
| CN204882821U (en) | Killer switch state detection circuitry | |
| CN204696677U (en) | Exempt from ground connection surge protector | |
| CN202678963U (en) | Mobile lightning protection unit for power strips | |
| CN203859338U (en) | Power strip inhibiting surge voltage and current | |
| CN203289150U (en) | Anti-thunder charger | |
| CN203850830U (en) | Intelligent anti-thunder case | |
| CN202586322U (en) | Tripping type lightning protection circuit | |
| CN206481055U (en) | Lightning protection device | |
| CN201051668Y (en) | A lightning prevention circuit | |
| CN205693170U (en) | A kind of high-voltage electricity stealing prevention metering device with surge protection | |
| CN203193272U (en) | Convenient-to-dismount dual-protection surge protection device | |
| CN202888821U (en) | A network signal surge protective device | |
| CN208589780U (en) | A kind of Surge Protector | |
| CN2893719Y (en) | Single-phase and three phase anti-thunder electronic type electric energy meter | |
| CN203086775U (en) | LED street lamp device with lightning arrester | |
| CN220234201U (en) | Lightning protection circuit and power supply system | |
| CN202524073U (en) | Overvoltage protection circuit and communication equipment | |
| CN202333735U (en) | Power supply protection device for acquisition terminal | |
| CN204334468U (en) | A kind of photovoltaic combiner box with lightning protection early warning failure function | |
| CN108173255A (en) | There is the electronic stop plate of Anti-surging | |
| CN203193271U (en) | Dual-protection surge protector | |
| CN208767785U (en) | A kind of lightning protection circuit and power outlet | |
| CN216959305U (en) | Lightning protection module and lightning protection system | |
| CN202888823U (en) | A novel signal lightning protection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20150713 |
|
| EXPY | Termination of patent right or utility model |