CN2676478Y - Electric surge protector - Google Patents
Electric surge protector Download PDFInfo
- Publication number
- CN2676478Y CN2676478Y CN 03250273 CN03250273U CN2676478Y CN 2676478 Y CN2676478 Y CN 2676478Y CN 03250273 CN03250273 CN 03250273 CN 03250273 U CN03250273 U CN 03250273U CN 2676478 Y CN2676478 Y CN 2676478Y
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- CN
- China
- Prior art keywords
- electrode
- module
- activity template
- actuating mechanism
- surge protector
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- 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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- Thermistors And Varistors (AREA)
Abstract
The utility model discloses an electric surge protector, comprising a standard module and a base seat. Two electrodes of the piezoresistor in the module are respectively connected in series with internal electrodes to comprise the main protection units, the two electrodes of the piezoresistor are connected in series with a thermal fuse to form a protection unit, and the exit of one internal electrode is connected with the low-temperature soldering point of a current-limiting electrode by low-temperature soldering to form the thermal fuse. A thermal-release mechanism is composed of the protection unit and an actuating mechanism, and the actuating mechanism is composed of a movable slice and a tension spring. When the piezoresistor of the utility model is deteriorated and overheated by multi-time lightning strokes and attacks of over voltage, the thermal fuse is fused, and the actuating mechanism pushes away the current-limiting electrode, which completes the thermal release and avoids the fire hazard caused by the short circuit; meanwhile, the green movable slice leaves the original position and the red field alarm under the movable slice is exposed. The micro-switch is rolled over when the lower end of the movable slice pinches the contact point of the micro-switch, the switching state of the micro-switch is overturned, and the information is transferred to the remote interface by the conducting wire to realize the remote alarm. When the protector is replaced, the users only need to replace the module without circuit breaking.
Description
Affiliated technical field
The utility model relates to a kind of overvoltage emergency protective device of circuit, specifically is anti-lightning strike surge protector.
Background technology
Overvoltage protection is necessary in circuit, and is very important especially for lightning protection, and still, the surge protector of general lightning protection is very simple, finishes with a varistor.Also there is deficiency in this surge protector: function singleness; has only the lightning protection function; there is not metapyretic heat to break away from and deterioration is reported to the police, the damage of the protected equipment when heating can not in time break away from fire that the short-circuit fire that power supply causes and the piezo-resistance of in time not changing performance degradation cause or next the thunderbolt again when causing because of the device overload operation easily.And maintenance test is very loaded down with trivial details, needs deenergization to detect, change.
Summary of the invention
The utility model is the improvement to the said goods, has increased hot disengaging, and deterioration is reported to the police and supported hot plug need not cut off the power supply is replaceable protector.
The purpose of this utility model reaches like this: a kind of surge protector; comprise varistor; it is characterized in that: surge protector is divided into module and base two parts; module is connected on the base with the shell protection; shell is provided with and shows window; module is by protected location; actuating mechanism and warning device are formed; varistor and the series connection of interior electrode constitute the main protection unit; main protection unit and thermal cut-off series connection constitute protected location; the corresponding warning device of protected location; protected location and actuating mechanism are formed hot releasing mechanism; actuating mechanism is made of activity template and extension spring; warning device is the clockwise motion of band look activity template, triggers the sensitive switch upset, is connected with lead on the sensitive switch.
Described main protection unit is meant on two electrodes of varistor; electrode 6 and interior electrode 18 in welding respectively; with liquid epoxy sealing insulation; described thermal cut-off is meant on the exit of interior electrode 6; connect current limliting electrode 4 with low temperature scolding tin; the low temperature solder joint is thermal cut-off; the current limliting electrode is connected with external electrode 5; the exit and the external electrode 14 of electrode 18 link together on the varistor another; the extension spring one end of described actuating mechanism hangs on the external electrode 5; the other end hangs on the activity template 19; activity template is connected on the core 3 of base by rotating shaft; align with sensitive switch in the lower end of activity template, the colour code with the activity template different colours is posted over against showing window 20 in the upper end on the lower base of activity template upper end.
Described module is the unified standard module.
The utlity model has following advantage:
1, have heat and break away from function, when product overload operation or product quality descend and adstante febre, hot releasing mechanism can in time be cut off the electricity supply, and avoids the short circuit breaking out of fire.
2, deterioration can take place after surge protector repeatedly used; traditional product can not provide alarm signal when deterioration; can not in time find and change; cause the damage of protected product when being struck by lightning next time; and this novel alarm signal that when product deterioration or disengaging circuit, in time provides; remind in time and change, when avoiding the next time thunderbolt to the damage of equipment.
3, the traditional product maintenance is very loaded down with trivial details, and need pull down test and judge whether deterioration, and, need deenergization during replacing.Whether this product shows that window can need indicate whether to change in the scene, can also need to change by communication terminal remote monitoring product, does not need outage only to need to change standard module during replacing, and is very convenient.The standardized structural module can be installed on the 35mm track, and is both artistic and practical.
Description of drawings
Accompanying drawing 1 is that module is installed in the structural representation on the base.
Accompanying drawing 2 is vertical views of Fig. 1.
Among the figure, 1 ornamental strip; 2 module housing; 3 cores; 4 current limliting electrodes; 5 external electrodes; Electrode in 6; 7 varistors; 8 base housings; 9 external electrodes; 10 peg graft blocks; 11 install card; 12, sensitive switch; 13 connectors; 14 external electrodes; 15 slides; 16 junction blocks; 17 screws; Electrode in 18; 19 activity templates; 20 show window; 21 extension springs.
Embodiment
Accompanying drawing has provided an embodiment of the present utility model.
Electrode 6 and interior electrode 18 in connecting respectively on two electrodes of varistor 7 make its insulation with liquid epoxy sealing, form the main protection device, and an electrode of varistor 7 is connected on the current limliting electrode 4 with low temperature scolding tin by the exit of interior electrode 6.Dispatch from foreign news agency level 5 is connected with the card 10 of pegging graft by dispatch from foreign news agency level 9.The temperature of low temperature scolding tin is 100 ℃-160 ℃, and low temperature scolding tin promptly is thermal cut-off.Current limliting electrode 4 and external electrode 5 link together by electric welding.Another electrode of varistor 7 links together with external electrode 14 by interior electrode 18.Actuating mechanism has been formed in activity template 19 and extension spring 21, one end of extension spring 21 hangs on the activity template, the other end hangs on the external electrode 5, activity template 19 is installed on the core 3 by a rotating shaft, left end continues to apply power to current limliting electrode 4 under the effect of extension spring, aligns with sensitive switch 12 in the lower end of activity template, and the upper end of activity template faces and shows window 20, paste the red coloration colour code on the base below it faces toward the activity template that shows window, the color of activity template is green.When activity template clockwise rotated, red colour code will expose showing on the window, is designated as redness.External electrode 5 is installed on the base after being connected by the tie point external electrode 9 and the card 10 of pegging graft.
Under the normal condition, this product is under the high-impedance state, does not almost have electric current to flow through (microampere order), and supply voltage is applied to the product two ends, and varistor is bearing supply voltage.When thunder and lightning or other switching overvoltages arrived, protected location can fall the lightning current bleed off simultaneously with nanosecond speed conducting response (25ms) in this product, the level that can bear too high voltage limit at equipment.After overcurrent was gone over, this product can revert to high-impedance state again, prepared to receive the impact of thunder and lightning next time, and in this course, thermal cut-off can not move, and warning device cuts out all the time.When line voltage distribution unusually the rising time long, amplitude is higher, the ability to bear that has surpassed this product, perhaps cause the varistor leakage current of this product to increase as the impact of thunder and lightning or switching overvoltage repeatedly, the product heating, the heat of varistor is delivered to the low temperature solder joint by interior electrode 6, thermal cut-off is melted to be disconnected, actuating mechanism is pushed the current limliting electrode open, makes varistor break away from power supply, thereby reaches the purpose that prevents to cause because of short circuit fire.Simultaneously, after the activity template action, red colour code reveals by showing window, provides the alarm signal of product deterioration.On the other hand, the sensitive switch contact can be oppressed in the activity template lower end, makes the sensitive switch action, the sensitive switch state turnover, and this information is wired on the connector 13, realizes remote alarms.
This product is the parallel connection type product, can be used for line-line, line-zero, and line-ground, the protection between the zero-ground can also be used in combination it.Both can be used for DC power supply, can be used for the anti-operation of lightning protection induction, thunder, the overvoltage protection of AC power again.
Claims (3)
1; a kind of surge protector; comprise varistor; it is characterized in that: surge protector is divided into module and base two parts; module is connected on the base with the shell protection; shell is provided with and shows window; module is by protected location; actuating mechanism and warning device are formed; varistor and the series connection of interior electrode constitute the main protection unit; main protection unit and thermal cut-off series connection constitute protected location, the corresponding warning device of protected location, and protected location and actuating mechanism are formed hot releasing mechanism; actuating mechanism is made of activity template and extension spring; warning device is the clockwise motion of band look activity template, triggers the sensitive switch upset, is connected with on the sensitive switch and patches lead.
2; surge protector as claimed in claim 1; it is characterized in that: described main protection unit is meant on two electrodes of varistor (7); weld two interior electrodes (6) and (18) respectively; with liquid epoxy sealing insulation; described thermal cut-off is meant on the exit of interior electrode (6); connect current limliting electrode (4) with low temperature scolding tin; the low temperature solder joint is thermal cut-off; the current limliting electrode is connected with external electrode (5); the exit and the external electrode (14) of electrode (18) link together in another of varistor; the extension spring one end of described actuating mechanism hangs on the external electrode (5); the other end hangs on the activity template, and activity template is connected by rotating shaft on the core of base, aligns with sensitive switch in the lower end of activity template; the colour code with the activity template different colours is posted over against showing window in the upper end on the lower base of activity template upper end.
3, surge protector as claimed in claim 1 or 2 is characterized in that: described module is the unified standard module.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 03250273 CN2676478Y (en) | 2003-09-10 | 2003-09-10 | Electric surge protector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 03250273 CN2676478Y (en) | 2003-09-10 | 2003-09-10 | Electric surge protector |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2676478Y true CN2676478Y (en) | 2005-02-02 |
Family
ID=34473298
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 03250273 Expired - Fee Related CN2676478Y (en) | 2003-09-10 | 2003-09-10 | Electric surge protector |
Country Status (1)
Country | Link |
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CN (1) | CN2676478Y (en) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101521128A (en) * | 2008-02-27 | 2009-09-02 | 施耐德电器工业公司 | Device for protecting against voltage surges comprising selective disconnection means |
CN101515718B (en) * | 2009-01-13 | 2011-04-27 | 上海雷迅防雷技术有限公司 | Remote alarm method and a system of a surge protector |
CN102354944A (en) * | 2011-09-29 | 2012-02-15 | 华为技术有限公司 | Lightning protection module and alarm method thereof |
CN102377176A (en) * | 2010-08-13 | 2012-03-14 | 施耐德电器工业公司 | Surge protection device |
CN1866657B (en) * | 2005-05-18 | 2012-04-18 | 德恩及索恩两合股份有限公司 | Surge arrester |
CN101185212B (en) * | 2005-04-19 | 2012-07-04 | 基瓦斯珀尔有限公司 | A device for a remote monitoring the state of at least a single-pole surge protection |
CN101325333B (en) * | 2007-03-05 | 2012-07-25 | 菲尼克斯电气公司 | Surge protector with a mounting base |
CN101542855B (en) * | 2006-09-18 | 2012-08-01 | 菲尼克斯电气公司 | Overvoltage protection device |
CN102780217A (en) * | 2011-05-11 | 2012-11-14 | 上海电科电器科技有限公司 | Surge protection device |
CN103943292A (en) * | 2014-04-04 | 2014-07-23 | 广西新未来信息产业股份有限公司 | Safety pressure-sensitive resistor with thermal trip indication function |
CN104184137A (en) * | 2014-09-16 | 2014-12-03 | 郑品章 | Fuse-combined type surge protector |
CN106451395A (en) * | 2016-11-26 | 2017-02-22 | 苏州工业园区科佳自动化有限公司 | Anti-thunder device for residual-current protection device |
-
2003
- 2003-09-10 CN CN 03250273 patent/CN2676478Y/en not_active Expired - Fee Related
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101185212B (en) * | 2005-04-19 | 2012-07-04 | 基瓦斯珀尔有限公司 | A device for a remote monitoring the state of at least a single-pole surge protection |
CN1866657B (en) * | 2005-05-18 | 2012-04-18 | 德恩及索恩两合股份有限公司 | Surge arrester |
CN101542855B (en) * | 2006-09-18 | 2012-08-01 | 菲尼克斯电气公司 | Overvoltage protection device |
CN101325333B (en) * | 2007-03-05 | 2012-07-25 | 菲尼克斯电气公司 | Surge protector with a mounting base |
CN101521128B (en) * | 2008-02-27 | 2013-11-06 | 施耐德电器工业公司 | Device for protecting against voltage surges comprising selective disconnection means |
CN101521128A (en) * | 2008-02-27 | 2009-09-02 | 施耐德电器工业公司 | Device for protecting against voltage surges comprising selective disconnection means |
CN101515718B (en) * | 2009-01-13 | 2011-04-27 | 上海雷迅防雷技术有限公司 | Remote alarm method and a system of a surge protector |
CN102377176A (en) * | 2010-08-13 | 2012-03-14 | 施耐德电器工业公司 | Surge protection device |
CN102780217A (en) * | 2011-05-11 | 2012-11-14 | 上海电科电器科技有限公司 | Surge protection device |
CN102780217B (en) * | 2011-05-11 | 2015-06-17 | 上海电科电器科技有限公司 | Surge protection device |
CN102354944A (en) * | 2011-09-29 | 2012-02-15 | 华为技术有限公司 | Lightning protection module and alarm method thereof |
CN103943292A (en) * | 2014-04-04 | 2014-07-23 | 广西新未来信息产业股份有限公司 | Safety pressure-sensitive resistor with thermal trip indication function |
CN103943292B (en) * | 2014-04-04 | 2016-08-24 | 广西新未来信息产业股份有限公司 | A kind of safe varistor of the hot tripping indication function of band |
CN104184137A (en) * | 2014-09-16 | 2014-12-03 | 郑品章 | Fuse-combined type surge protector |
CN106451395A (en) * | 2016-11-26 | 2017-02-22 | 苏州工业园区科佳自动化有限公司 | Anti-thunder device for residual-current protection device |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |