CN201075496Y - Anti-lightning socket - Google Patents
Anti-lightning socket Download PDFInfo
- Publication number
- CN201075496Y CN201075496Y CNU200720045785XU CN200720045785U CN201075496Y CN 201075496 Y CN201075496 Y CN 201075496Y CN U200720045785X U CNU200720045785X U CN U200720045785XU CN 200720045785 U CN200720045785 U CN 200720045785U CN 201075496 Y CN201075496 Y CN 201075496Y
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- CN
- China
- Prior art keywords
- resistance
- lightning protection
- wire
- varistor
- socket
- 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 - Lifetime
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- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model relates to a lightning protection socket, in particular to a three-wire socket composed of a shell, a live wire, a null wire and a ground wire. A varistor and a lightning protection discharge tube varistor are connected in series between the live wire and the ground wire and a varistor which is connected with the ground wire is connected in parallel with a connection point of the lightning protection discharge tube. By adopting a guide rail installation structure, the null wire and the ground wire are both contacted with a metal guide rail in installation and a signal level plug is arranged on the live wire. The lightning protection socket of the utility model is provided with two circuits: one normal working circuit and one lightning protection circuit. When the socket is at normal work, the lightning protection circuit keeps null and after the power is supplied, an LED lights to indicate that the circuit works in a normal status; when high current passes through the circuit, the varistor of the lightning protection circuit starts to work. The varistor is selected, for the varistor changes along with the voltage, when the voltage gets higher, the resistance of the varistor gets low and in the three-level lightning protection, the varistor functions to resist surging.
Description
Technical field
The utility model relates to a kind of electrical equipment, especially Thunder preventing socket.
Technical field
Existing Thunder preventing socket generally only by socket and lightning protection discharge tube or claim the gas discharge pipe jointing to constitute, also has the piezo-resistance of employing and fuse etc. to constitute Thunder preventing socket; Lightning protection function unit in the past is what to separate with socket, is two independently things, often adopts common power board.The lightning protection function unit is fixed on the iron bar of screen cabinet back with screw, needs boring, installs very inconvenient.The power board that lightning protection function unit and socket use is minimum all to be three receptacle combinations to be arranged together, and often some screen cabinet has only a device to use alternating current, can not effectively reduce cost like this.
Summary of the invention
The utility model purpose is: propose a kind of piezo-resistance and the socket that the lightning protection discharge tube makes up or combines, comprise and adopt piezo-resistance and fuse etc. to constitute Thunder preventing socket; And have multiple protective, a kind of rail mounted mounting structure is especially proposed, the better effects if of socket lightning protection.
Technical solution of the present utility model is: Thunder preventing socket, by the three-plug connector that shell, live wire and zero line and ground wire constitute, a contact piezo-resistance in parallel again that is in series with piezo-resistance and lightning protection discharge tube piezo-resistance and lightning protection discharge tube between live wire and the ground wire is connected to ground wire.It is to consider that such leakage current is minimum and security performance is also relatively good that gas discharge tube and piezo-resistance are together in series.Adopt guide tracked mounting structure, zero line and ground wire all contact installation with metal guide rail, and live wire is established the single-stage plug,
Improvement of the present utility model also comprises: be provided with the Thermal Cutoffs of fitting with piezo-resistance, especially Thermal Cutoffs and piezo-resistance are the heat-shrink tube parcels, when big electric current passes through, heat on the piezo-resistance is passed to Thermal Cutoffs rapidly, when reaching certain temperature, the fuse automatic disconnection;
Be provided with the resistance bridge that one or four identical resistance of resistance constitute in the lightning-protection module, the two ends of resistance bridge connect live wire and zero line respectively, two terminations, one light-emitting diode in the middle of resistance bridge, especially red light emitting diodes, after the lightning protection loop is damaged, the electric current that flows through the resistance bridge both sides is just unequal, on the red diode in the middle of the bridge voltage is arranged just at this moment, plays the function in monitoring lightning protection loop with this.
Characteristics of the present utility model are: Thunder preventing socket has two loops: operate as normal loop and lightning protection loop, and during operate as normal, the lightning protection loop is inoperative, and after the energized, work indication green diode is lighted, and show circuit is working properly.When big electric current passed through, the piezo-resistance in the lightning protection loop was just started working.Selecting piezo-resistance is to consider that it is a kind of resistance with change in voltage, and when voltage became big, resistance decreasing in three grades of lightning protection, can play the effect of anti-surge; Adopt piezo-resistance and fuse etc. to constitute Thunder preventing socket; And have a multiple protective, the better effects if of socket lightning protection.The lightning protection standard that meets country promulgation fully effectively combines the function and the socket of lightning-protection module, for the user saves cost.As long as choose lightning protection discharge tube up to standard, the utility model reaches following lightning protection rank:
Anti-moment, high electric current can reach the training of 1 Wan An
Start-up time is less than 1 microsecond
Reach the highest level of indoor electric appliance power lightning protection
Shell adopts anti-flaming ABS material
Maximum Uc: 250VAC
Nominal discharge current: 8/20us, 1.5KA
Maximum discharge current: 8/20us, 5KA
Voltage protection level: 1000V
Adopt between three grades of lightning protection: L and the N, between L and the ground, all play lightning protection between N and the ground.
Description of drawings
Fig. 1 is the side-looking structural representation of the utility model circuit
Fig. 2 is the plan structure schematic diagram
Embodiment
Installing device in the shell 1 shown in Fig. 1-2, L, N and ground connection symbol D be live wire, zero line and ground wire respectively, and the left side is input, and the right is the live wire output of socket.Piezo-resistance RV1, RV2, lightning protection discharge tube F.Adopt guide tracked mounting structure, zero line and ground wire all contact installation with metal guide rail 2, and live wire is established single-stage plug 3.LED is the indication diode.
The three-plug connector that live wire and zero line and ground wire constitute is in series with piezo-resistance RV1 and lightning protection discharge tube L between live wire L and the ground wire N; The contact of a piezo-resistance and lightning protection discharge tube piezo-resistance BV2 in parallel again is connected to ground wire D.It is to consider that such leakage current is minimum and security performance is also relatively good that gas discharge tube and piezo-resistance are together in series.
Be in series with resistance and work indication LED (as green) between live wire and the zero line.
Piezo-resistance RV1, RV2 all can be provided with the Thermal Cutoffs of fitting with piezo-resistance, Thermal Cutoffs and piezo-resistance are the heat-shrink tube parcels, and when big electric current passed through, the heat on the piezo-resistance was passed to Thermal Cutoffs rapidly, when reaching certain temperature, the fuse automatic disconnection.
Claims (5)
1. Thunder preventing socket, the three-plug connector that constitutes by shell, live wire and zero line and ground wire, it is characterized in that a contact piezo-resistance in parallel again that is in series with piezo-resistance and lightning protection discharge tube piezo-resistance and lightning protection discharge tube between live wire and the ground wire is connected to ground wire, adopt guide tracked mounting structure, zero line and ground wire all contact installation with metal guide rail, live wire is provided with the single-stage plug.
3. by the described Thunder preventing socket of claim 1, it is characterized in that being provided with the Thermal Cutoffs of fitting with piezo-resistance.
4. by the described Thunder preventing socket of claim 1, it is characterized in that being provided with the resistance bridge that one or four identical resistance of resistance constitute in the lightning-protection module, the two ends of resistance bridge connect live wire and zero line respectively, two terminations, one light-emitting diode in the middle of the resistance bridge.
5. by the described Thunder preventing socket of claim 1, it is characterized in that being in series with between live wire and the zero line resistance and work indication LED.
6. by the described Thunder preventing socket of claim 2, it is characterized in that Thermal Cutoffs and piezo-resistance heat-shrink tube parcel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720045785XU CN201075496Y (en) | 2007-09-04 | 2007-09-04 | Anti-lightning socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720045785XU CN201075496Y (en) | 2007-09-04 | 2007-09-04 | Anti-lightning socket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201075496Y true CN201075496Y (en) | 2008-06-18 |
Family
ID=39520754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720045785XU Expired - Lifetime CN201075496Y (en) | 2007-09-04 | 2007-09-04 | Anti-lightning socket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201075496Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012143871A1 (en) * | 2011-04-20 | 2012-10-26 | Koninklijke Philips Electronics N.V. | Surge protection device |
| CN103683234A (en) * | 2012-09-06 | 2014-03-26 | 苏州工业园区新宏博通讯科技有限公司 | Lightning protection device |
| CN103986033A (en) * | 2014-05-09 | 2014-08-13 | 广西南宁百兰斯科技开发有限公司 | Power socket with anti-thunder device |
| CN105406733A (en) * | 2015-12-09 | 2016-03-16 | 武汉思坦达电子科技有限公司 | Printed circuit board-based power converter |
| CN105680252A (en) * | 2016-02-25 | 2016-06-15 | 广州市立信防雷科技有限公司 | Lightning absorption-type internet lightning protection socket |
-
2007
- 2007-09-04 CN CNU200720045785XU patent/CN201075496Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012143871A1 (en) * | 2011-04-20 | 2012-10-26 | Koninklijke Philips Electronics N.V. | Surge protection device |
| CN103683234A (en) * | 2012-09-06 | 2014-03-26 | 苏州工业园区新宏博通讯科技有限公司 | Lightning protection device |
| CN103986033A (en) * | 2014-05-09 | 2014-08-13 | 广西南宁百兰斯科技开发有限公司 | Power socket with anti-thunder device |
| CN105406733A (en) * | 2015-12-09 | 2016-03-16 | 武汉思坦达电子科技有限公司 | Printed circuit board-based power converter |
| CN105680252A (en) * | 2016-02-25 | 2016-06-15 | 广州市立信防雷科技有限公司 | Lightning absorption-type internet lightning protection socket |
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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: 20080618 |