CN203039361U - Surge protection device suitable for 10/350muS lightning waves - Google Patents
Surge protection device suitable for 10/350muS lightning waves Download PDFInfo
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- CN203039361U CN203039361U CN 201220629166 CN201220629166U CN203039361U CN 203039361 U CN203039361 U CN 203039361U CN 201220629166 CN201220629166 CN 201220629166 CN 201220629166 U CN201220629166 U CN 201220629166U CN 203039361 U CN203039361 U CN 203039361U
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Abstract
The utility model discloses a surge protection device suitable for 10/350muS lightning waves. The surge protection device comprises a chip structure and an external alarm device, wherein the chip structure comprises a zinc oxide voltage dependent resistor (VDR) chipset, a break-away mechanism, a degradation alarming state indicating device and an output remote signaling contact. The zinc oxide VDR chipset is used for clamping the working voltage of a protected device to a safety protection level, the break-away mechanism is connected with the zinc oxide VDR chipset and is used for enabling a voltage-sensitive pole piece to break away from a guide electrode plate due to gradual increase of the temperature, the degradation alarming state indicating device is connected with the break-away mechanism and is used for displaying degradation states of chips locally, and the output remote signaling contact is connected with the break-away mechanism and is used for outputting chip degradation information to the external alarm device. The surge protection device satisfies technical requirements in relevant national standards, is simple in structure and easy to implement, makes up for the current defects in the field and has high popularization and market values.
Description
Technical field
The utility model relates to a kind of surge protector, particularly a kind of surge protector that is applicable to 10/350 μ S lightning wave.
Background technology
GB50057-2010 " Code for design of lightning protection of buildings " and the standard Q/GD001 of Guangdong Power Grid incorporated business 1122.03-2007 " Guangdong Power Grid company transformer station secondary system lightning protection standard " all stipulate: electrical earth device and lightning protection device share or situation about linking to each other under, the consumer unit that should introduce at the low-tension supply circuit, the surge protector that power distribution cabinet place installing I level is tested.This prescribed specific requires as follows:
1, I level test: its requirement is that the lightning impulse current waveform is that 10/350 μ S, lightning impulse current value I imp are that 12.5kA～40kA, the horizontal Up of voltage protection are≤2.5kV;
2, lightning protection device is surge protector.
Usually surge protector can have three kinds of switching mode, mixed type and votage limit types, and their structure and performance comparison are as follows:
Switching mode band pair of electrodes, electrode gap are fixed, and rely on lightning voltage breakdown electrode gap, and discharge reaches the purpose of lightning protection over the ground.Its advantage is that discharging current is bigger, shortcoming be the response time long, residual voltage is high, afterflow is arranged, electrode weares and teares because of the electrical discharge arc calcination, causes gap size to become big, reduces reliability.
Votage limit type Bian constitutes with varistor valve, and piezo-resistance namely is lower than under normal conditions and has high resistance under the pressure sensitive voltage and cut off path over the ground, but when being higher than pressure sensitive voltage, valve block resistance reduces conducting rapidly, discharge over the ground, thus reach the lightning protection purpose.Its advantage be simple in structure, the response time is short, residual voltage is low, no afterflow.Shortcoming is that release thunder and lightning energy is low.Be used for 8/20 μ S lightning protection occasion mostly.
Mixed type is switching mode+valve block, and its pluses and minuses fall between.
In view of current votage limit type surge protector still difficulty reach above-mentioned the 1st specification requirement; so the enterprise mark Q/GD001 of Guangdong Power Grid company 1122.03-2007 mat woven of fine bamboo strips 6.1.2 bars regulation " stand and banish three phase lines of electric screen (or alternating current steady voltage plug) with change low-pressure side best friend; should have relatively in the installation of AC distribution panel inlet wire side, the neutral line mat woven of fine bamboo strips one-level (switching mode) and the combined AC power SPD of mat woven of fine bamboo strips secondary (votage limit type) of protected mode over the ground, SPD withstand shock electric current is not less than 20kA(10/350 μ S).
The utility model content
For overcoming above-mentioned deficiency of the prior art, fill up the blank that the lightning protection of domestic I level does not have the votage limit type surge protector, the utility model provides a kind of surge protector that is applicable to 10/350 μ S lightning wave.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of surge protector that is applicable to 10/350 μ S lightning wave, comprise chip structure and external warning device two parts, described chip structure comprises, for the Zinc-oxide piezoresistor chipset of the operating voltage of protected equipment being clamped down on a safeguard protection level; The releasing mechanism that links to each other and break away from for the rising gradually that makes pressure-sensitive pole piece Yin Wendu and flow guiding electrode sheet with the Zinc-oxide piezoresistor chipset; Link to each other with releasing mechanism and to be used for the deterioration alarm status indicating device of display chip deterioration state on the spot; Link to each other for the output remote signalling contact of pio chip deterioration information to external warning device with releasing mechanism.
As improvement of the technical scheme, described external warning device is external sound, light crossing-signal or radio alarming device and combination thereof.
The beneficial effects of the utility model are: overcome the switching mode surge protector response time long, residual voltage is high, afterflow is arranged, electrode is because of defectives such as electrical discharge arc calcination wearing and tearing, has improved fail safe and the reliability of equipment; And Yangization simple in structure ?voltage dependent resistor chip group withstand shock electric current be 10/350 μ S, 25kA, reached the relevant art requirement among GB50057-2010 " Code for design of lightning protection of buildings " and the standard Q/GD001 of Guangdong Power Grid incorporated business 1122.03-2007 " Guangdong Power Grid company transformer station secondary system lightning protection standard "; Diverse in function, the display chip deterioration state also can realize that remote sound, light warning or wireless transmission chip deterioration information are to particular terminal by external relevant apparatus on the spot.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples,
Accompanying drawing 1 is depicted as structured flowchart of the present utility model.
Embodiment
The utility model is a kind of surge protector that is applicable to 10/350 μ S lightning wave, and it has filled up the blank that the lightning protection of present domestic I level does not have the votage limit type surge protector, also brings a lot of new benefits simultaneously.
Structured flowchart shown in 1 by reference to the accompanying drawings, it mainly contains the two large divisions as can be seen for we: chip structure 1 and external warning device 2.Each chip of Zinc-oxide piezoresistor chipset 3 shown in Figure 1 is the nonlinear resistor with symmetrical V/I characteristic; its resistance value sharply descends along with the increase of voltage; thereby the overcurrent that overvoltage is caused is released away; make the operating voltage of protected equipment be clamped at the protection level of a safety, thereby prevented the damage of the protected power consumption equipment that causes because of internal overvoltage or exterior overvoltage.Single φ 80 * 8mm Zinc-oxide piezoresistor chip tolerates 10/350 μ S impulse current 8.5kA/ sheet, but the chipset that 3 parallel connections constitute then withstand shock electric current 10/350 μ S, 25kA.
Simultaneously, described Zinc-oxide piezoresistor chipset 3 also has releasing mechanism 4 and deterioration alarm status indicating device 5.Releasing mechanism 4 mainly is to cause the chip short circuit and puncture and be subjected to moderate seas for a long time and gush rush of current and cause the piezo-resistance deterioration when the interelectrode voltages of piezo-resistance two raise; thereby the temperature that causes pressure-sensitive pole piece rises gradually to cause with the flow guiding electrode sheet and breaks away from; the look board of deterioration alarm status indicating device 5 changes and exports remote signalling contact 6 and changes simultaneously; realize remote monitoring with this, guarantee the safety of protected power consumption equipment.Deterioration alarm status indicating device 5 can change the state information of display chip on the spot by self look board upset, and output remote signalling contact 6 external warning devices 2, at the same time external sound, light crossing-signal and radio alarming device the time, not only can realize remote sound, light warning, can also realize GSM, be wireless transmission chip deterioration information to supervisor's mobile phone, diverse in function and practicality.
Certainly, the more important thing is that the utility model has reached the specification requirement among GB50057-2010 " Code for design of lightning protection of buildings " and the standard Q/GD001 of Guangdong Power Grid incorporated business 1122.03-2007 " Guangdong Power Grid company transformer station secondary system lightning protection standard ", and simple in structure being easy to realized, remedy the deficiency of present this technical field, had very high popularization and market value.
What be worth mentioning at last is; although shown with reference to specific embodiment of the utility model and described basic condition of the present utility model; but those skilled in the art is to be understood that; the above only is preferential execution mode of the present utility model, as long as realize that with basic identical means the technical scheme of the utility model purpose all should belong within the protection range of the present utility model.
Claims (2)
1. a surge protector that is applicable to 10/350 μ S lightning wave comprises chip structure (1) and external warning device (2) two parts, it is characterized in that: described chip structure (1) comprises,
For the Zinc-oxide piezoresistor chipset of the operating voltage of protected equipment being clamped down on a safeguard protection level (3);
The releasing mechanism (4) that links to each other and break away from for the rising gradually that makes pressure-sensitive pole piece Yin Wendu and flow guiding electrode sheet with Zinc-oxide piezoresistor chipset (3);
Link to each other with releasing mechanism (4) and to be used for the deterioration alarm status indicating device (5) of display chip deterioration state on the spot;
Link to each other for the output remote signalling contact (6) of pio chip deterioration information to external warning device (2) with releasing mechanism (4).
2. a kind of surge protector that is applicable to 10/350 μ S lightning wave according to claim 1 is characterized in that: described external warning device (2) is external sound, light crossing-signal or radio alarming device and combination thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220629166 CN203039361U (en) | 2012-11-23 | 2012-11-23 | Surge protection device suitable for 10/350muS lightning waves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220629166 CN203039361U (en) | 2012-11-23 | 2012-11-23 | Surge protection device suitable for 10/350muS lightning waves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203039361U true CN203039361U (en) | 2013-07-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220629166 Expired - Fee Related CN203039361U (en) | 2012-11-23 | 2012-11-23 | Surge protection device suitable for 10/350muS lightning waves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203039361U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103001207A (en) * | 2012-11-23 | 2013-03-27 | 广东南冠电气有限公司 | Surge protective device (SPD) suitable for 10/350muS lightning waves |
| CN104242238A (en) * | 2014-09-15 | 2014-12-24 | 广州市拓牌倍普电子有限公司 | Monitoring device for surge protective device |
| CN107872051A (en) * | 2016-09-27 | 2018-04-03 | 深圳康普盾科技股份有限公司 | Possess remote signalling and export pluggable 10/350us lightning protection for power supply |
-
2012
- 2012-11-23 CN CN 201220629166 patent/CN203039361U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103001207A (en) * | 2012-11-23 | 2013-03-27 | 广东南冠电气有限公司 | Surge protective device (SPD) suitable for 10/350muS lightning waves |
| CN104242238A (en) * | 2014-09-15 | 2014-12-24 | 广州市拓牌倍普电子有限公司 | Monitoring device for surge protective device |
| CN107872051A (en) * | 2016-09-27 | 2018-04-03 | 深圳康普盾科技股份有限公司 | Possess remote signalling and export pluggable 10/350us lightning protection for power supply |
| CN107872051B (en) * | 2016-09-27 | 2019-05-24 | 深圳康普盾科技股份有限公司 | Have remote signalling and exports pluggable 10/350us lightning protection for power supply |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130703 Termination date: 20191123 |