CN203014373U - Transient surge protector used specially for elevator - Google Patents
Transient surge protector used specially for elevator Download PDFInfo
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- CN203014373U CN203014373U CN 201220748973 CN201220748973U CN203014373U CN 203014373 U CN203014373 U CN 203014373U CN 201220748973 CN201220748973 CN 201220748973 CN 201220748973 U CN201220748973 U CN 201220748973U CN 203014373 U CN203014373 U CN 203014373U
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- 230000001052 transient effect Effects 0.000 title claims abstract description 64
- 230000001012 protector Effects 0.000 title claims abstract description 60
- 230000032683 aging Effects 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000006698 induction Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The utility model discloses a transient surge protector used specially for an elevator, which comprises a box body, a lightning protection module, and an air circuit breaker. The lightning protection module is provided with a lightning protection member; the lightning protection member comprises a plurality of piezoresistors and a plurality of Zener diodes; the plurality of piezoresistors are arranged in parallel; the number of the piezoresistors is three to eight; each piezoresistor has the same specification and parameters and the same nominal discharge current; the sum of the nominal discharge current of all piezoresistors is 1.5 times of the rated protection current of the lightning protection module; a control device is arranged; and the control device is provided with a plurality of control and security protection functions. With the transient surge protector used specially for an elevator, the transient over voltage of the lightning can be discharged into the ground in a few subnanoseconds, impact and interference of the over current when the elevator starts frequently can be greatly resisted, the aging speed of the piezoresistor is lessened, the service lives of the lightning protection module and the integrated elevator members are prolonged, security of the lightning protection module is improved, reliability of normal operation is improved, and the effects are substantially significant.
Description
Technical field
The utility model relates to a kind of transient state surge protector, particularly the special-purpose transient state surge protector of a kind of elevator.
Background technology
Lightning Disaster is the frequent meteorological disaster that occurs of nature.Lightning Disaster is discharged by the electric energy in thunder cloud and causes, the electromagnetic pulse induction that thunder and lightning produces, can produce huge destruction to electric power system, communication system, computer information system, the economic loss that China every year causes because of Lightning Disaster is up to billions of units.Elevator is as the indispensable important common electrical equipment of modern high-rise building, and because of the extensive application of its intelligent integration control circuit, under the impact of Lightning Electromagnetic Pulse, disaster-stricken situation is very serious.The elevator computer of gently breaking is controlled mainboard, and is heavy make large electric current puncture power supply insulating barrier generation discharge spark to cause the elevator ignition.As everyone knows, the infringement of induction lightening is regional electromagnetic induction.Therefore, once lightning strikes, tens or even tens often of damaged equipment.In addition, the more seriously high-frequency start and stop characteristic in running process of elevator, it starts the overvoltage of generation for the frequently generation repeatedly of impact of the integrated components and parts of elevator and lightning protection device main element piezo-resistance, thereby its equipment and components and parts degradation are strengthened gradually.And one of degradation characteristic of piezo-resistance increases for leakage current, the increase of piezo-resistance leakage current can cause that component temperature raises, component temperature raises, and further increasing components and parts properties is deteriorated, until cause device short trouble and electrical fire, serious security incident occurs.
The utility model content
In order to guarantee that the special-purpose transient state surge protector of elevator possesses powerful relieving capacity when the lightning induction over-current shock; can fully absorb simultaneously lift facility inductive load in service and switch the transient over-voltage that produces; avoid piezo-resistance is constantly impacted and piezo-resistance is consumed; its leakage current is increased in the short time gradually; thereby cause short trouble to cause security incident; the utility model proposes the special-purpose transient state surge protector of a kind of elevator, the technical scheme that adopts is:
the special-purpose transient state surge protector of elevator, comprise casing, lightning-protection module, the current rating disconnecting apparatus, the counting thunder display, lightning-protection module arranges one or more, lightning-protection module arranges the lightning protection components and parts, lightning protection component comprises piezo-resistance, gas discharge tube and Zener diode, each lightning-protection module arranges a plurality of piezo-resistances, the quantity of a plurality of piezo-resistances is no less than 3, a plurality of piezo-resistances are arranged in parallel, gas discharge tube arranges one or more, a plurality of gas discharge tubes are arranged in parallel, the quantity of Zener diode is identical with piezo-resistance quantity, each Zener diode is arranged in parallel with each piezo-resistance respectively, in a plurality of piezo-resistances, the specification of each piezo-resistance is identical with parameter, the specification of a plurality of gas discharge tubes is identical with parameter, piezo-resistance and gas discharge tube in parallel are connected in series, control device is set, control device is electrically connected to power supply and lightning-protection module.
The special-purpose transient state surge protector of elevator, the quantity of a plurality of piezo-resistances is no more than 8.
The special-purpose transient state surge protector of elevator, in a plurality of piezo-resistances, the difference range of the pressure sensitive voltage of each piezo-resistance is not more than 3 volts.
The special-purpose transient state surge protector of elevator, in a plurality of piezo-resistances, the difference of the nonlinear exponent of each piezo-resistance is not more than 3.
The special-purpose transient state surge protector of elevator, in a plurality of piezo-resistances, the nominal discharge current of each piezo-resistance is identical.
The special-purpose transient state surge protector of elevator, in a plurality of piezo-resistances, the nominal discharge current summation of each piezo-resistance is not less than 1.5 times of specified protection electric current of lightning-protection module.
The special-purpose transient state surge protector of elevator, control device arranges controller, and controller is computer control or cyclelog.
The special-purpose transient state surge protector of elevator, each piezo-resistance set temperature transducer, temperature sensor is electrically connected to controller.
The special-purpose transient state surge protector of elevator, each lightning-protection module arranges the specified disconnecting apparatus of overcurrent, and the specified disconnecting apparatus of overcurrent and lightning-protection module are connected in series.
The special-purpose transient state surge protector of elevator, control device is electrically connected to the indication of power work state, the indication of lightning-protection module operating state, the deteriorated display window of lightning-protection module, counting thunder display and/or long-range normally-open normally-close faiture alarm interface is set.
The special-purpose transient state surge protector of elevator of the present utility model, the technique effect that adopts technique scheme to obtain is:
the special-purpose transient state surge protector of elevator, comprise casing, lightning-protection module, the current rating disconnecting apparatus, the counting thunder display, lightning-protection module arranges one or more, lightning-protection module arranges the lightning protection components and parts, lightning protection component comprises piezo-resistance, gas discharge tube and Zener diode, each lightning-protection module arranges a plurality of piezo-resistances, the quantity of a plurality of piezo-resistances is no less than 3, a plurality of piezo-resistances are arranged in parallel, the lightning surge electric current of piezo-resistance can significantly reduce to flow through, delay the aging speed of piezo-resistance, reduce the increase of piezo-resistance leakage current, prevent the generation of short trouble.Gas discharge tube arranges one or more, and a plurality of gas discharge tubes are arranged in parallel, and can guarantee the release of large capacity surge current, guarantees protection effect.The quantity of Zener diode is identical with piezo-resistance quantity, and each Zener diode is arranged in parallel with each piezo-resistance respectively, can absorb the surge voltage peak value, the safety of protection piezo-resistance and control components and parts.In a plurality of piezo-resistances, the specification of each piezo-resistance is identical with parameter, can make the lightning surge electric current of each piezo-resistance of flowing through as far as possible identical, and the lightning surge electric current of each piezo-resistance that prevents from flowing through differs too much and the accelerated ageing of part piezo-resistance was lost efficacy.The specification of a plurality of gas discharge tubes is identical with parameter, can make the surge current of each gas discharge tube of flowing through as far as possible identical, and the surge current of each gas discharge tube that prevents from flowing through differs too much and makes the portion gas discharge tube accelerate to damage and lost efficacy.Piezo-resistance and gas discharge tube in parallel are connected in series, and can further improve lightning protection properties, improve security performance.Control device is set, and control device is electrically connected to power supply and lightning-protection module, can utilize control device to realize the various operating states of the special-purpose transient state surge protector of elevator and the automatic control of function of safety protection.The special-purpose transient state surge protector of elevator of the present utility model has response time (subnanosecond level) and the quite high surge absorbing ability that is exceedingly fast; when the high energy impact events of moment is stood at its two ends; the special-purpose transient state surge protector of elevator can become Low ESR with the high impedance at two ends with high speed, thereby two terminal voltages are limited in a predetermined security value (s).The special-purpose transient state surge protector of elevator of the present utility model all has extremely strong absorbability for high voltage transient spike, the surge of electric current clutter, thunder and lightning induction voltage, inductive load switching transient voltage, static discharge.
The special-purpose transient state surge protector of elevator, the quantity of a plurality of piezo-resistances is no more than 8, and the lightning surge electric current that can avoid the quantity of piezo-resistance too much to produce each piezo-resistance of flowing through differs too much defective, avoids the piezo-resistance accelerated ageing to lose efficacy.
The special-purpose transient state surge protector of elevator, in a plurality of piezo-resistances, the difference range of the pressure sensitive voltage of each piezo-resistance is not more than 3 volts.The operating state of each piezo-resistance is approached unanimously, avoid the piezo-resistance accelerated ageing to lose efficacy.
The special-purpose transient state surge protector of elevator, in a plurality of piezo-resistances, the difference of the nonlinear exponent of each piezo-resistance is not more than 3.The operating state of each piezo-resistance is approached unanimously, avoid the piezo-resistance accelerated ageing to lose efficacy.
The special-purpose transient state surge protector of elevator, in a plurality of piezo-resistances, the nominal discharge current of each piezo-resistance is identical, and the operating state of each piezo-resistance is approached unanimously, avoids the piezo-resistance accelerated ageing to lose efficacy.
The special-purpose transient state surge protector of elevator, in a plurality of piezo-resistances, the nominal discharge current summation of each piezo-resistance is not less than 1.5 times of specified protection electric current of lightning-protection module.Can further slow down the aging speed of piezo-resistance, improve the functional reliability of power lightning protection box, extend the working life of power lightning protection box.
The special-purpose transient state surge protector of elevator, control device arranges controller, and controller is computer control or cyclelog, and being convenient to provides choice for the setting of controller, is convenient to utilize controller to realize improving and controls reliably function.
The special-purpose transient state surge protector of elevator, each piezo-resistance set temperature transducer, temperature sensor is electrically connected to controller; when piezo-resistance produces overheating fault; fault message input control device can be utilized the safeguard function of control device, prevent that security incident from occuring.
The special-purpose transient state surge protector of elevator, each lightning-protection module arranges the specified disconnecting apparatus of overcurrent, and the specified disconnecting apparatus of overcurrent and lightning-protection module are connected in series, and can further improve lightning protection properties, improve security performance.
The special-purpose transient state surge protector of elevator; control device is electrically connected to the indication of power work state, the indication of lightning-protection module operating state, the deteriorated display window of lightning-protection module, counting thunder display and/or long-range normally-open normally-close faiture alarm interface is set; can utilize control device realize multiple protection and control function, further improve service behaviour and the reliability of power lightning protection box.
The special-purpose transient state surge protector of elevator of the present utility model can effectively delay piezo-resistance aging, prevents that effect is remarkable because the piezo-resistance leakage current increases the security incident that heating causes the electric short circuit fault to cause.
Description of drawings
Fig. 1 is the electric principle schematic that the special-purpose transient state surge protector of elevator of the present utility model lightning-protection module arranges a plurality of piezo-resistance parallel connections.
Fig. 2 is the electric principle schematic that a kind of lightning-protection module of the special-purpose transient state surge protector of elevator of the present utility model arranges.
Fig. 3 is that a kind of structure of the special-purpose transient state surge protector of elevator of the present utility model arranges schematic diagram.
Sign implication in figure is as follows:
1-casing, 2-lightning-protection module, 3-piezo-resistance, 4-control device, 5-controller, 6-temperature sensor, 7-counting thunder display, the specified disconnecting apparatus of 8-overcurrent, 9-Zener diode, 10-discharge tube, 11-normally-open normally-close remote alarm interface.
Embodiment
The special-purpose transient state surge protector of elevator of the present utility model, a kind of structure arranges schematic diagram as shown in Figure 3, comprises casing 1, lightning-protection module 2, current rating disconnecting apparatus 8, counting thunder display 7.
Lightning-protection module 2 arranges one or more, and a kind of electric principle schematic of lightning-protection module 2 as shown in Figure 1.lightning-protection module 2 arranges the lightning protection components and parts, lightning protection component comprises piezo-resistance 3, gas discharge tube 10 and Zener diode (TVS) 9, each lightning-protection module 2 arranges a plurality of piezo-resistances 3, the quantity of a plurality of piezo-resistances 3 is no less than 3, a plurality of piezo-resistances 3 are arranged in parallel, gas discharge tube 10 arranges one or more, a plurality of gas discharge tubes 10 are arranged in parallel, the quantity of Zener diode 9 is identical with piezo-resistance 3 quantity, each Zener diode 9 is arranged in parallel with each piezo-resistance 3 respectively, in a plurality of piezo-resistances 3, the specification of each piezo-resistance 3 is identical with parameter, the specification of a plurality of gas discharge tubes 10 is identical with parameter, piezo-resistance 3 in parallel is connected in series with gas discharge tube 10, control device 8 is set, control device 8 is electrically connected to power supply and lightning-protection module 2.
The special-purpose transient state surge protector of elevator, the quantity of a plurality of piezo-resistances 3 is no more than 8.
The special-purpose transient state surge protector of elevator, in a plurality of piezo-resistances 3, the difference of the pressure sensitive voltage of each piezo-resistance 3 is not more than 3 volts.
The special-purpose transient state surge protector of elevator, in a plurality of piezo-resistances 3, the difference of the nonlinear exponent of each piezo-resistance 3 is not more than 3.
The special-purpose transient state surge protector of elevator, in a plurality of piezo-resistances 3, the nominal discharge current of each piezo-resistance 3 is identical.
The special-purpose transient state surge protector of elevator, in a plurality of piezo-resistances 3, the nominal discharge current summation of each piezo-resistance 3 is not less than 1.5 times of specified protection electric current of lightning-protection module 2.
The special-purpose transient state surge protector of elevator, control device 4 arranges controller 5, and controller 5 is computer control or cyclelog.
The special-purpose transient state surge protector of elevator, each piezo-resistance 3 set temperature transducer 6, temperature sensor 6 is electrically connected to controller 5.
The special-purpose transient state surge protector of elevator, each lightning-protection module 2 arranges the specified disconnecting apparatus 8 of overcurrent, and the specified disconnecting apparatus 8 of overcurrent is connected in series with lightning-protection module 2.The specified disconnecting apparatus 8 of overcurrent has short circuit break function, temperature-sensitive tripping function.
The special-purpose transient state surge protector of elevator, control device 4 is electrically connected to the indication of power work state, the indication of lightning-protection module operating state, the deteriorated display window of lightning-protection module, counting thunder display 7 and/or long-range normally-open normally-close faiture alarm interface 11 is set.
The electric principle schematic that a kind of lightning-protection module of the special-purpose transient state surge protector of elevator of the present utility model arranges as shown in Figure 2.
Whole elements and material that the special-purpose transient state surge protector of elevator of the present utility model uses have the fire protection flame retarding function.
The special-purpose transient state surge protector of elevator of the present utility model is not restricted to the described embodiments, and every structure of the present utility model and mode utilized passed through conversion, replacement and/or make up formed technical scheme, all in protection range of the present utility model.
Claims (10)
1. the special-purpose transient state surge protector of elevator, comprise casing, lightning-protection module, the current rating disconnecting apparatus, the counting thunder display, it is characterized in that: lightning-protection module arranges one or more, described lightning-protection module arranges the lightning protection components and parts, described lightning protection component comprises piezo-resistance, gas discharge tube and Zener diode, each described lightning-protection module arranges a plurality of piezo-resistances, the quantity of described a plurality of piezo-resistances is no less than 3, described a plurality of piezo-resistance is arranged in parallel, described gas discharge tube arranges one or more, a plurality of described gas discharge tubes are arranged in parallel, the quantity of described Zener diode is identical with described piezo-resistance quantity, each described Zener diode is arranged in parallel with each described piezo-resistance respectively, in described a plurality of piezo-resistance, the specification of each piezo-resistance is identical with parameter, the specification of described a plurality of gas discharge tubes is identical with parameter, described piezo-resistance and described gas discharge tube in parallel are connected in series, control device is set, described control device is electrically connected to described power supply and described lightning-protection module.
2. the special-purpose transient state surge protector of elevator according to claim 1, it is characterized in that: the quantity of described a plurality of piezo-resistances is no more than 8.
3. the special-purpose transient state surge protector of elevator according to claim 1, it is characterized in that: in described a plurality of piezo-resistances, the difference range of the pressure sensitive voltage of each piezo-resistance is not more than 3 volts.
4. the special-purpose transient state surge protector of elevator according to claim 1, it is characterized in that: in described a plurality of piezo-resistances, the difference of the nonlinear exponent of each piezo-resistance is not more than 3.
5. the special-purpose transient state surge protector of elevator according to claim 1, it is characterized in that: in described a plurality of piezo-resistances, the nominal discharge current of each piezo-resistance is identical.
6. the special-purpose transient state surge protector of elevator according to claim 1 is characterized in that: in described a plurality of piezo-resistances, the nominal discharge current summation of each piezo-resistance is not less than 1.5 times of specified protection electric current of described lightning-protection module.
7. the special-purpose transient state surge protector of elevator according to claim 1, it is characterized in that: described control device arranges controller, and described controller is computer control or cyclelog.
8. the special-purpose transient state surge protector of elevator according to claim 1, it is characterized in that: each described piezo-resistance set temperature transducer, temperature sensor is electrically connected to described controller.
9. the special-purpose transient state surge protector of elevator according to claim 1, it is characterized in that: each described lightning-protection module arranges the specified disconnecting apparatus of overcurrent, and the specified disconnecting apparatus of described overcurrent and described lightning-protection module are connected in series.
10. the special-purpose transient state surge protector of elevator according to claim 1, it is characterized in that: described control device is electrically connected to the indication of power work state, the indication of lightning-protection module operating state, the deteriorated display window of lightning-protection module, counting thunder display and/or long-range normally-open normally-close faiture alarm interface is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220748973 CN203014373U (en) | 2012-12-31 | 2012-12-31 | Transient surge protector used specially for elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220748973 CN203014373U (en) | 2012-12-31 | 2012-12-31 | Transient surge protector used specially for elevator |
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| CN203014373U true CN203014373U (en) | 2013-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220748973 Expired - Lifetime CN203014373U (en) | 2012-12-31 | 2012-12-31 | Transient surge protector used specially for elevator |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103812099A (en) * | 2014-03-13 | 2014-05-21 | 佛山市顺德区伦教金盾防雷技术发展有限公司 | Novel multiple-pulse surge protection device |
| CN104037725A (en) * | 2014-06-25 | 2014-09-10 | 江南嘉捷电梯股份有限公司 | Elevator safeguard detector |
| CN120417465A (en) * | 2025-05-09 | 2025-08-01 | 江苏应能微电子股份有限公司 | Varistor sandwich module integrated structure for lightning protection |
-
2012
- 2012-12-31 CN CN 201220748973 patent/CN203014373U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103812099A (en) * | 2014-03-13 | 2014-05-21 | 佛山市顺德区伦教金盾防雷技术发展有限公司 | Novel multiple-pulse surge protection device |
| CN103812099B (en) * | 2014-03-13 | 2017-03-15 | 佛山市顺德区伦教金盾防雷技术发展有限公司 | New multiple-pulse surge protector |
| CN104037725A (en) * | 2014-06-25 | 2014-09-10 | 江南嘉捷电梯股份有限公司 | Elevator safeguard detector |
| CN104037725B (en) * | 2014-06-25 | 2018-01-19 | 江南嘉捷电梯股份有限公司 | Elevator safety protects detection means |
| CN120417465A (en) * | 2025-05-09 | 2025-08-01 | 江苏应能微电子股份有限公司 | Varistor sandwich module integrated structure for lightning protection |
| CN120417465B (en) * | 2025-05-09 | 2026-02-17 | 江苏应能微电子股份有限公司 | A piezo-resistor intermediate layer module integrated morphology for protecting thunderbolt |
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Granted publication date: 20130619 |
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| CX01 | Expiry of patent term |