CN202888823U - A novel signal lightning protection device - Google Patents
A novel signal lightning protection device Download PDFInfo
- Publication number
- CN202888823U CN202888823U CN 201220495401 CN201220495401U CN202888823U CN 202888823 U CN202888823 U CN 202888823U CN 201220495401 CN201220495401 CN 201220495401 CN 201220495401 U CN201220495401 U CN 201220495401U CN 202888823 U CN202888823 U CN 202888823U
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- fuse
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- phase line
- protection circuit
- lightning protection
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Abstract
The utility model discloses a novel signal lightning protection device comprising a housing equipped with a wire incoming port and a device port. The wire incoming port is connected with the device port by a phase line. At least one protection circuit is disposed inside the housing and is connected between the ports via phase lines in parallel. The protection circuit is connected with a grounding port disposed on the housing and is connected with a disposed circuit breaking device. The housing is equipped with indicating lamps. The novel signal lightning protection device with characteristics of a reasonable structure and stable operation can be equipped with interfaces with different types and is capable of recording the number of use. Recorded data can be read by a user absent from a field in order to remind the user to timely replace aged components. Service condition of the device can be observed via the indicating lamps.
Description
Technical field
The utility model relates to a kind of surge protection device of communication equipment signaling interface, especially a kind of novel signal lightning protection device.
Background technology
Because of various high voltage electric equipments, such as transformer, switch, the dielectric strength of motor etc. has certain limit, for avoiding various overvoltage to the harm of these equipment, people are mostly at its other overvoltage protection device that is connected in parallel, connected and composed by the four stars type by four zinc oxide varistors such as the three-phase overvoltage protection device that is using at present, this three-phase overvoltage protection device exists weak point, at first, the connection of four stars type exists earth-free neutral point, when the three-phase voltage balance of system, the neutral point current potential is zero, Earth Phase zinc oxide varistor in the four stars type does not bear any voltage, the zinc oxide varistor that performance parameter is not good enough is easy to aging and accidents caused, this structural unreasonable hidden danger that both had been embedded in accident, caused again the increase of manufacturing cost, and resistor has certain useful life, if can not record access times, in case increase widely because overaging makes the probability that has an accident, if when resistor lost efficacy, in time open circuit will cause great economic loss; The protector that is connected in circuit is lightning protection device; claim again surge protector; generally be mounted in device port; for the device that various lightning currents, switching overvoltage etc. are protected; at least contain a non-linear element; the lightning Protection Design of signaling interface is the key that assurance can move reliably and with long-term by equipment; development along with communication equipment; the variation of signaling interface type; the lightning Protection Design of existing single face can not satisfy people's larger demand; therefore, there is defective in prior art, needs to improve.
The utility model content
The technical problems to be solved in the utility model is for overcoming weak point of the prior art, provide a kind of rational in infrastructure, working stability, the polytype interface can be set, can record access times, just can not see at the scene the data of record, remind people in time to change aging parts, the novel signal lightning protection device of the operating position by the indicator light facilities for observation.
For solving technical problem of the present utility model, the technical scheme that adopts is: a kind of novel signal lightning protection device, comprise housing, establish inlet wire port, device port on the described housing, described inlet wire port is connected by phase line with device port, at least one protection circuit is set in the described housing, and described protection circuit is parallel between the port by phase line respectively, and described protection circuit number is consistent with the phase line number; Establish grounding ports on the described housing, described protection circuit is connected in grounding ports; Described protection circuit also connects tripper is set, and also is provided with indicator light on the described housing;
Described tripper is air switch or relay switch or normally closed interlock or fuse;
Establish four classes on the described housing or surpass four class RJ11 interfaces as inlet wire port, device port;
Heat is set on the described housing breaks away from member;
Described protection circuit is the combination of gas discharge tube or piezo-resistance or transient voltage suppressor or solid discharging tube or discharge air-gap or said elements;
Described hull outside connection arranges counter, described counter comprises the Current Mutual Inductance unit, counting unit, processing unit, display unit, described Current Mutual Inductance unit is connected between protection circuit and the grounding ports, described counting unit is connected with the Current Mutual Inductance unit, described counting unit is connected with processing unit, described processing unit is connected with display unit, described counting unit is used for the overvoltage number of times of bus is counted, and generated data sends processing unit to, described processing unit is used for making corresponding form according to the data that receive, and be converted into vision signal, flow to display unit, the corresponding form that described display unit is used for making shows;
Described display unit is LED display or TFT liquid crystal display screen;
Described inlet wire port is connected by the first phase line, the second phase line, third phase line with device port, then, described protection circuit comprises the first piezo-resistance, the second piezo-resistance, the 3rd piezo-resistance, the first fuse, the second fuse, the 3rd fuse, and described the first fuse, the second fuse, the 3rd fuse pass through respectively the first phase line, the second phase line, third phase line parallel between port; Described the first piezo-resistance, the second piezo-resistance, the 3rd piezo-resistance are connected in series with the first fuse, the second fuse, the 3rd fuse respectively; Described protection circuit is connected in grounding ports;
Described housing selects the flame-retardant PBT material to make;
Corresponding each protection circuit of described indicator light is all established a green LED, emitting red light diode, and when thunder resisting equipment normally used, the green emitting diode was bright, and when this thunder resisting equipment wore out or can not normally use, the emitting red light diode was bright.
Beneficial effect with respect to prior art is, adopted inlet wire port, device port to connect by phase line on the basis of original siganl thunder-proof device, every phase line arranges protection circuit and is directly parallel on inlet wire port, the device port, adopt the common structure that consists of of disconnect and resistive protective element, make siganl thunder-proof device when thunderbolt occurs, the maximum output voltage of device port is lower than the maximum voltage that protected circuit can bear, thereby realizes overvoltage protection; Be serially connected with respectively three fuses between the phase line of protected equipment; guaranteed that damaging appears in arbitrary contingency in the resistor; itself and system can be broken away within the extremely short time; stopped to occur the accident of single-phase short circuit or phase fault; and; indicator light is set; when phase line was normally used, green indicating lamp was bright, when breaking down; red led is bright; be convenient for people to the clear abort situation of knowing, on-call maintenance is changed, and the rear end is provided with the input counter block; the access times of the parts of record three-phase lightning arrester; but judge its roughly out-of-service time and parts of reminding people more to renew timely according to the access times of parts, simple and practical, stable performance; and also can not see at the scene, be very helpful with preventing accident to power system analysis is unusual.
Description of drawings
Fig. 1 is basic structure circuit diagram of the present utility model;
Fig. 2 is each device connection diagram of the utility model Counter.
Embodiment
Below in conjunction with accompanying drawing optimal way of the present utility model is described in further detail.
As shown in Figure 1 and Figure 2, this a kind of novel signal lightning protection device is rational in infrastructure, working stability, the polytype interface can be set, can record access times, just can not see at the scene the data of record, remind people in time to change aging parts, by the operating position of indicator light facilities for observation.The electric power system of this a kind of novel signal lightning protection device can adopt the directly grounded protection system of the metal shell of electric equipment, it is the ground protection of three phase and four wire circuit system, it is bad to be that this lightning protection device is applicable to environmental condition, the place of single phase ground fault easily occurs, and inflammable, explosive place; The protection system that also can adopt metal shell and working zero line with electric equipment to join, it is the zero connection protection in the three phase and four wire circuit system, adapt to different operational environments, variation is used, and is applicable to the lightning protection zone trivial to the LPZ2 district (C level or II level) at LPZ1; Employed novel signal lightning protection device comprises housing, and described housing selects the flame-retardant PBT material to make, and adopts international 35mm standard electrical guide rails assembling, and is convenient and swift, meets the requirement of electric operative norm fully, and the degree of protection of housing reaches IP20; Heat is set on the described housing breaks away from member, when lightning protection device is crossed the thermal breakdown inefficacy, can automatically it be broken away from and indication from electrical network;
Establish inlet wire port one, device port 9 on the described housing, establish four classes on the described housing or surpass four class RJ11 interfaces as inlet wire port one, device port 9, to be applicable to dissimilar equipment, the convenient use, needn't need again be equipped with lightning protection device by every replacing primary equipment, to a certain degree provide cost savings;
Described inlet wire port one and device port 9 are connected by phase line, and at least one protection circuit is set in the described housing, and described protection circuit is parallel between the port by phase line respectively, and described protection circuit number is consistent with the phase line number; Described protection circuit is the combination of gas discharge tube or piezo-resistance or transient voltage suppressor or solid discharging tube or discharge air-gap or said elements;
Establish grounding ports on the described housing, described protection circuit is connected in grounding ports; Described grounding ports is connected with ground wire, producing the surge overvoltage because of thunder and lightning or other reasons, when surpassing the discharge voltage of this lightning protection device, siganl thunder-proof device can the utmost point in the short time with the earth conducting, powerful surge current is introduced the earth, thereby protected the equipment that is connected with the siganl thunder-proof device device port not to be compromised;
Described protection circuit also connects tripper is set, and described tripper is air switch or relay switch or normally closed interlock or fuse;
Also be provided with indicator light 5 on the described housing, described indicator light 5 corresponding each protection circuits are all established a green LED, emitting red light diode, and when thunder resisting equipment normally used, the green emitting diode was bright, when this thunder resisting equipment wore out or can not normally use, the emitting red light diode was bright;
Described hull outside connection arranges counter, described counter comprises the Current Mutual Inductance unit, counting unit, processing unit, display unit, described Current Mutual Inductance unit is connected between protection circuit and the grounding ports, described counting unit is connected with the Current Mutual Inductance unit, described counting unit is connected with processing unit, described processing unit is connected with display unit, described counting unit is used for the overvoltage number of times of bus is counted, and generated data sends processing unit to, described processing unit is used for making corresponding form according to the data that receive, and be converted into vision signal, flow to display unit, the corresponding form that described display unit is used for making shows; Described display unit is LED display or TFT liquid crystal display screen;
The inlet wire port one is connected by the first phase line 13, the second phase line 12, third phase line 11 with device port 9 as described, then, described protection circuit comprises the first piezo-resistance 3, the second piezo-resistance 6, the 3rd piezo-resistance 7, the first fuse 2, the second fuse 4, the 3rd fuse 8, and described the first fuse 2, the second fuse 4, the 3rd fuse 8 are parallel between the port by the first phase line 13, the second phase line 12, third phase line 11 respectively; Described the first piezo-resistance 3, the second piezo-resistance 6, the 3rd piezo-resistance 7 are connected in series with the first fuse 2, the second fuse 4, the 3rd fuse 8 respectively; Described protection circuit is connected in grounding ports; When the voltage on the bus is normal, only have the electric current of microampere order to pass through in every phase coil of Current Mutual Inductance unit, the equal no-output of counting unit of this moment, the green indicating lamp that arranges on the housing is bright, and people know that according to indicator light equipment normally uses; Producing the surge overvoltage because of thunder and lightning or other reasons, when surpassing the discharge voltage of this lightning protection device, siganl thunder-proof device can the utmost point in the short time with the earth conducting, powerful surge current is introduced the earth, thereby has protected the equipment that is connected with the siganl thunder-proof device device port not to be compromised; Simultaneously, be serially connected with respectively three fuses between the phase line of protected equipment, guaranteed that damaging appears in arbitrary contingency in the resistor, itself and system can be broken away within the extremely short time, stopped to occur the accident of single-phase short circuit or phase fault, disconnected or resistor is aging when breaking down at fuse, red led is bright, be convenient for people to the clear abort situation of knowing, on-call maintenance is changed;
Overvoltage appears on bus, phase current in the secondary coil of the corresponding phase in Current Mutual Inductance unit raises, this phase current is obviously own far above the microampere order electric current in this phase secondary coil of busbar voltage Current Mutual Inductance unit under normal circumstances, then counting unit just begins to count, and generated data sends processing unit to, processing unit is made corresponding form according to the data that receive, and be converted into vision signal, flow to display unit, then show by display unit, people can be convenient, see clearly, but and judge its roughly out-of-service time and parts of reminding people more to renew timely according to the access times of parts, simple and practical, stable performance is very helpful with preventing accident to power system analysis is unusual.
Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification interior.
Claims (8)
1. novel signal lightning protection device, comprise housing, it is characterized in that: establish inlet wire port, device port on the described housing, described inlet wire port is connected by phase line with device port, at least one protection circuit is set in the described housing, described protection circuit is parallel between the port by phase line respectively, and described protection circuit number is consistent with the phase line number; Establish grounding ports on the described housing, described protection circuit is connected in grounding ports; Described protection circuit also connects tripper is set, and also is provided with indicator light on the described housing.
2. a kind of novel signal lightning protection device according to claim 1, it is characterized in that: described tripper is air switch or relay switch or normally closed interlock or fuse.
3. a kind of novel signal lightning protection device according to claim 1 is characterized in that: establish four classes on the described housing or surpass four class RJ11 interfaces as inlet wire port, device port.
4. a kind of novel signal lightning protection device according to claim 1, it is characterized in that: described protection circuit is the combination of gas discharge tube or piezo-resistance or transient voltage suppressor or solid discharging tube or discharge air-gap or said elements.
5. a kind of novel signal lightning protection device according to claim 1, it is characterized in that: described hull outside connection arranges counter, described counter comprises the Current Mutual Inductance unit, counting unit, processing unit, display unit, described Current Mutual Inductance unit is connected between protection circuit and the grounding ports, described counting unit is connected with the Current Mutual Inductance unit, described counting unit is connected with processing unit, described processing unit is connected with display unit, described counting unit is used for the overvoltage number of times of bus is counted, and generated data sends processing unit to, described processing unit is used for making corresponding form according to the data that receive, and be converted into vision signal, flow to display unit, the corresponding form that described display unit is used for making shows.
6. a kind of novel signal lightning protection device according to claim 5, it is characterized in that: described display unit is LED display or TFT liquid crystal display screen.
7. according to claim 1 or 4 described a kind of novel signal lightning protection devices, it is characterized in that: described inlet wire port is connected by the first phase line, the second phase line, third phase line with device port, then, described protection circuit comprises the first piezo-resistance, the second piezo-resistance, the 3rd piezo-resistance, the first fuse, the second fuse, the 3rd fuse, and described the first fuse, the second fuse, the 3rd fuse pass through respectively the first phase line, the second phase line, third phase line parallel between port; Described the first piezo-resistance, the second piezo-resistance, the 3rd piezo-resistance are connected in series with the first fuse, the second fuse, the 3rd fuse respectively; Described protection circuit is connected in grounding ports.
8. a kind of novel signal lightning protection device according to claim 1 is characterized in that: heat is set on the described housing breaks away from member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220495401 CN202888823U (en) | 2012-09-25 | 2012-09-25 | A novel signal lightning protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220495401 CN202888823U (en) | 2012-09-25 | 2012-09-25 | A novel signal lightning protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202888823U true CN202888823U (en) | 2013-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220495401 Expired - Fee Related CN202888823U (en) | 2012-09-25 | 2012-09-25 | A novel signal lightning protection device |
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| Country | Link |
|---|---|
| CN (1) | CN202888823U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114200194A (en) * | 2021-11-23 | 2022-03-18 | 云南电网有限责任公司昆明供电局 | Overvoltage on-line monitoring device for medium-voltage insulated line |
-
2012
- 2012-09-25 CN CN 201220495401 patent/CN202888823U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114200194A (en) * | 2021-11-23 | 2022-03-18 | 云南电网有限责任公司昆明供电局 | Overvoltage on-line monitoring device for medium-voltage insulated line |
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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: 20130417 Termination date: 20130925 |