CN201584777U - Power source surge protector - Google Patents
Power source surge protector Download PDFInfo
- Publication number
- CN201584777U CN201584777U CN2009202946385U CN200920294638U CN201584777U CN 201584777 U CN201584777 U CN 201584777U CN 2009202946385 U CN2009202946385 U CN 2009202946385U CN 200920294638 U CN200920294638 U CN 200920294638U CN 201584777 U CN201584777 U CN 201584777U
- Authority
- CN
- China
- Prior art keywords
- power source
- thermal failure
- failure release
- release unit
- surge protector
- 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
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- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model discloses a power source surge protector comprising a thermal failure release device and a high energy voltage-dependent resistor, wherein the thermal failure release device is electrically connected with the front end of a power source, the output terminal of the thermal failure release device is electrically connected with the input terminal of the high energy voltage-dependent resistor, the output terminal of the high energy voltage-dependent resistor is grounded, a visual failure indication device is connected between the thermal failure release device and the power source, and a gas-discharge tube is connect in series between the high energy voltage-dependent resistor and a grounding wire. By virtue of the technical scheme, the utility model has simple structure, safety and reliability, thereby efficiently protecting the power source from being damaged by surge voltage.
Description
Technical field
The utility model relates to a kind of power source surge protector.
Background technology
Thunderbolt and other circuit abnormalities can cause great surge voltage of moment; surge voltage can produce harm greatly to electrical equipment; especially for power supply; in case damage because of surge voltage causes power supply; can cause being subjected to the whole relevant electric system of power supply control to lose power supply even damage, so power supply must be provided with the lightning-prevention and surge-resistance protective device.
The utility model content
Technical problem to be solved in the utility model just provides power source surge protector a kind of simple in structure, safe and reliable.
For solving the problems of the technologies described above; the utility model adopts following technical scheme: power source surge protector; comprise thermal failure release unit and high-energy varistor; described thermal failure release unit is electrically connected with the power supply front end; described thermal failure release unit output and high-energy varistor input are electrically connected; described high-energy varistor output head grounding; also have access to the inefficacy visual indicating device between described thermal failure release unit and power supply, it is characterized in that: also be serially connected with gas discharge tube between described high-energy varistor and earth connection.
As preferably, described inefficacy visual indicating device is the LED lamp.
The utility model is owing to having adopted technique scheme, and is simple in structure, safe and reliable, effectively protects power supply to avoid suffering harm.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is further described:
Fig. 1 is a structural representation of the present utility model.
Embodiment
As shown in Figure 1; embodiment for the utility model power source surge protector; comprise thermal failure release unit 1 and high-energy varistor 2; described thermal failure release unit is electrically connected with the power supply front end; described thermal failure release unit output and high-energy varistor input are electrically connected; described high-energy varistor output head grounding; also have access to inefficacy visual indicating device 4 between described thermal failure release unit 1 and power supply, also be serially connected with gas discharge tube 3 between described high-energy varistor 2 and earth connection.Described inefficacy visual indicating device 4 is the LED lamp.
Be applicable to that building has possessed the lightning-prevention and surge-resistance protection of single-phase (220V) front equipment end power supply under the secondary lightning protection functional conditions; when single-phase (220V) front equipment end power supply string has this power source surge protector; under normal circumstances; protector and the earth are in high-impedance state; when system the surge overvoltage occurs and reaches the discharge voltage of protector because of thunderbolt or other reasons; protector can be immediately in time nanosecond rapidly and the earth conducting; powerful surge current is introduced the earth; thereby protected the terminal power consumption equipment of electrical network; protector returns to the high-impedance state with the earth again after this surge voltage disappears, and does not influence the normal operation of terminal power consumption equipment.
Claims (2)
1. power source surge protector; comprise thermal failure release unit (1) and high-energy varistor (2); described thermal failure release unit is electrically connected with the power supply front end; described thermal failure release unit output and high-energy varistor input are electrically connected; described high-energy varistor output head grounding; also have access to inefficacy visual indicating device (4) between described thermal failure release unit (1) and power supply, it is characterized in that: also be serially connected with gas discharge tube (3) between described high-energy varistor (2) and earth connection.
2. power source surge protector according to claim 1 is characterized in that: described inefficacy visual indicating device (4) is the LED lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202946385U CN201584777U (en) | 2009-12-21 | 2009-12-21 | Power source surge protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202946385U CN201584777U (en) | 2009-12-21 | 2009-12-21 | Power source surge protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201584777U true CN201584777U (en) | 2010-09-15 |
Family
ID=42726790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202946385U Expired - Fee Related CN201584777U (en) | 2009-12-21 | 2009-12-21 | Power source surge protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201584777U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101752861A (en) * | 2009-12-21 | 2010-06-23 | 浙江恒丰光电技术有限公司 | Power source surge protector |
-
2009
- 2009-12-21 CN CN2009202946385U patent/CN201584777U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101752861A (en) * | 2009-12-21 | 2010-06-23 | 浙江恒丰光电技术有限公司 | Power source surge protector |
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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: 20100915 Termination date: 20121221 |