CN104242886A - Anti-explosion time delay switch for safety voltage - Google Patents

Anti-explosion time delay switch for safety voltage Download PDF

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Publication number
CN104242886A
CN104242886A CN201410486765.0A CN201410486765A CN104242886A CN 104242886 A CN104242886 A CN 104242886A CN 201410486765 A CN201410486765 A CN 201410486765A CN 104242886 A CN104242886 A CN 104242886A
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CN
China
Prior art keywords
explosion
delay switch
voltage
switch
safety voltage
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.)
Pending
Application number
CN201410486765.0A
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Chinese (zh)
Inventor
张世秋
王金忠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Ind Electronic Science And Technology Co Ltd
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Suzhou Ind Electronic Science And Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Suzhou Ind Electronic Science And Technology Co Ltd filed Critical Suzhou Ind Electronic Science And Technology Co Ltd
Priority to CN201410486765.0A priority Critical patent/CN104242886A/en
Publication of CN104242886A publication Critical patent/CN104242886A/en
Pending legal-status Critical Current

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Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40Control techniques providing energy savings, e.g. smart controller or presence detection

Abstract

The invention provides an anti-explosion time delay switch for safety voltage. The switch comprises an anti-explosion box, a power module, a timing module and a driving module. The power module comprises a rectifier bridge unit, a filter capacitor unit and a voltage stabilizing chip. Current is processed through the filter capacitor unit and the voltage stabilizing chip after passing through the rectifier bridge unit. The timing module comprises a 555 timing circuit, and the working power source of the timing module is supplied by the power module. The driving module comprises solid state relays comprising thyristors and optical couplers. The anti-explosion time delay switch for safety voltage is connected in series inside a circuit, and an existing mechanical switch is replaced with the anti-explosion time delay switch. The anti-explosion time delay switch for safety voltage can be automatically turned off in a time delay mode, and equipment using costs, maintaining costs, production-stopping maintaining costs and other related costs are lowered. Under the condition that the original circuit is not changed, the switch can be connected in series inside the circuit without the modification work of additional power lamp connection. The anti-explosion time delay switch for safety voltage is installed in the anti-explosion box, so that the anti-explosion using environment is obtained.

Description

Safety voltage explosion-proof delay switch
 
Technical field
The present invention relates to a kind of switch, particularly relate to a kind of safety voltage explosion-proof delay switch.
Background technology
At present, safe voltage illumination adopt be all mechanical switch, related personnel check, inspection time opening switch, forget closing switch sometimes, thus cause transformer and bulb kept burning day and night, waste electric energy.In addition, transformer and bulb use always, also can reduce the service life of the two.
In view of this, for the problems referred to above, be necessary to propose further solution.
Summary of the invention
The object of the present invention is to provide a kind of safety voltage explosion-proof delay switch.
For achieving the above object, a kind of safety voltage explosion-proof delay switch of the present invention, it comprises: armored cassette, power module, time block, driver module, and described power module, time block, driver module are installed in described armored cassette;
Described power module comprises rectifying bridge unit, filter capacitor unit, voltage stabilizing chip, and electric current, after rectifier bridge rectification, processes through described filter capacitor unit, voltage stabilizing chip;
Described time block comprises 555 timing circuits, and described 555 timing circuits are powered by described power module;
Described driver module comprises solid-state relay, and described solid-state relay and respective external circuit are in series, and are electrically connected with described time block, and described solid-state relay comprises controllable silicon and optocoupler.
As the improvement of safety voltage explosion-proof delay switch of the present invention, described 555 timing circuits are 555 timers of CMOS low-power consumption.
As the improvement of safety voltage explosion-proof delay switch of the present invention, described 555 timing circuits have voltage output end, and described voltage output end and described controllable silicon and optocoupler are electrically connected.
As the improvement of safety voltage explosion-proof delay switch of the present invention, described 555 timing circuits have charge cycle, and the electric capacity in charge cycle in 555 timing circuits completes charging.
As the improvement of safety voltage explosion-proof delay switch of the present invention, described 555 timing circuits have trigger switch, and described trigger switch controls the capacitor discharge in 555 timing circuits.
As the improvement of safety voltage explosion-proof delay switch of the present invention, described optocoupler has driving voltage, when the operating voltage of described optocoupler place circuit is lower than described driving voltage, and described controllable silicon cut-off.
As the improvement of safety voltage explosion-proof delay switch of the present invention, described explosion-proof casing comprises body, and all sides of described body are formed with the projection of annular, the projection of described annular are formed with the installation foot that position is relative, described installation foot offer installation through hole.
Compared with prior art, the invention has the beneficial effects as follows: safety voltage explosion-proof delay switch series connection of the present invention in circuit, instead of existing mechanical switch.Safety voltage explosion-proof delay switch of the present invention can automatic delay function, save equipment use expense, maintenance cost, the maintenance that stops production waits association expense, and it directly can be connected in circuit under the condition not changing original circuit, do not need to connect power lights retrofit work in addition.And safety voltage explosion-proof delay switch of the present invention is arranged in armored cassette, achieves explosion-proof environment for use.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of an embodiment of safety voltage explosion-proof delay switch of the present invention;
Fig. 2 is the schematic perspective view of the armored cassette of safety voltage explosion-proof delay switch of the present invention.
Embodiment
Below in conjunction with each execution mode shown in the drawings, the present invention is described in detail; but should be noted that; these execution modes are not limitation of the present invention; those of ordinary skill in the art are according to these execution mode institute work energy, method or structural equivalent transformations or substitute, and all belong within protection scope of the present invention.
As shown in Figure 1, safety voltage explosion-proof delay switch of the present invention comprises: armored cassette 10, power module 20, time block 30, driver module 40.Described power module, time block, driver module are installed in described armored cassette, thus safety voltage explosion-proof delay switch of the present invention can isolate entering of explosive material (as: combustion gas, dust etc.), and can not produce spark, avoid dangerous generation.
As shown in Figure 2, described explosion-proof casing 10 comprises body 11, and all sides of described body are formed with the projection 12 of annular, the projection of described annular are formed with the relative installation foot in position 13, described installation foot offer installation through hole.
Described power module 20 comprises rectifying bridge unit 21, filter capacitor unit 22, voltage stabilizing chip 23.Wherein, rectifying bridge unit 21 is for carrying out rectification to electric current, and electric current, after rectifier bridge 21 rectification, processes through described filter capacitor unit 22, voltage stabilizing chip 23.5V can be reduced the voltage to, for time block 30 after processing through filter capacitor unit 22, voltage stabilizing chip 23.
Described time block 30 comprises 555 timing circuits 31, and described 555 timing circuits 31 are powered by described power module 20.Preferably, in order to make circuit better work, described 555 timing circuits 31 are 555 timers of CMOS low-power consumption, and it can provide drive control signal.
In addition, described 555 timing circuits 31 have charge cycle, and in this charge cycle, the electric capacity in 555 timing circuits 31 completes charging.Now, switch can work a work timing.Described 555 timing circuits 31 have trigger switch, and this trigger switch 31 controls the capacitor discharge in 555 timing circuits.After charging complete, export and stop.Trigger switch makes capacitor discharge, and circuit enters operating state through triggering.
Described driver module 40 comprises solid-state relay, and solid-state relay carries out circuit isolation and drive circuit conducting.Described solid-state relay and respective external circuit are in series, and are electrically connected with described time block, and described solid-state relay comprises controllable silicon and optocoupler.Controllable silicon can be closed when current over-zero after triggering and conducting, does not therefore have the appearance fluctuation problem in the process of driving.
Described 555 timing circuits 31 have voltage output end 32, and described voltage output end 32 is electrically connected with described controllable silicon and optocoupler.When electric capacity in 555 timing circuits 31 completes charging, the voltage output end 32 of 555 timers 31 for high voltage export time, drive optocoupler and controllable silicon, circuit ON is also started working; When capacitance voltage reaches 2/3 supply voltage, voltage output end 32 output low level, optocoupler quits work, and controllable silicon ends, and circuit ends.
Wherein, in above-mentioned execution mode, described optocoupler has driving voltage, when the operating voltage of described optocoupler place circuit is lower than described driving voltage, and described controllable silicon cut-off.After controllable silicon cut-off, controllable silicon two ends produce voltage, power supply is provided to power module through rectifying bridge unit, circuit is reworked, circuit rapid operation, make the circuit of safety voltage explosion-proof delay switch can obtain working power from the of short duration cut-off of circuit, circuit can be connected in unware situation again.Thus the course of work does not affect by silicon controlled conducting.The electricity of holding capacitor always under capacitance energy storage understood by 555 timing circuits 31, until trigger next time.
Safety voltage explosion-proof delay switch of the present invention can effective saves energy, for the safe voltage inspecting lamp of 100W, if safe voltage inspecting lamp keeps kept burning day and night, can consume 2.4 degree of electricity every day.And using safety voltage explosion-proof delay switch of the present invention, above-mentioned safe voltage inspecting lamp can be set to work 12 times every day, every task 5 minutes, only with 0.1 degree of electricity, energy-saving effect is obvious.
Further, for incandescent lamp, the life-span of incandescent lamp calculated with 3000 hours, within about 4 months, will change if do not closed.After applying safety voltage explosion-proof delay switch of the present invention, every day, about one hour of work, changed a bulb in about 8 years.
In sum, safety voltage explosion-proof delay switch series connection of the present invention in circuit, instead of existing mechanical switch.Safety voltage explosion-proof delay switch of the present invention can automatic delay function, save equipment use expense, maintenance cost, the maintenance that stops production waits association expense, and it directly can be connected in circuit under the condition not changing original circuit, do not need to connect power lights retrofit work in addition.And safety voltage explosion-proof delay switch of the present invention is arranged in armored cassette, achieves explosion-proof environment for use.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this specification is described according to execution mode, but not each execution mode only comprises an independently technical scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should by specification integrally, and the technical scheme in each embodiment also through appropriately combined, can form other execution modes that it will be appreciated by those skilled in the art that.

Claims (7)

1. a safety voltage explosion-proof delay switch, is characterized in that, described safety voltage explosion-proof delay switch comprises: armored cassette, power module, time block, driver module, and described power module, time block, driver module are installed in described armored cassette;
Described power module comprises rectifying bridge unit, filter capacitor unit, voltage stabilizing chip, and electric current, after rectifier bridge rectification, processes through described filter capacitor unit, voltage stabilizing chip;
Described time block comprises 555 timing circuits, and described 555 timing circuit working powers are provided by described power module;
Described driver module comprises solid-state relay, and described solid-state relay and respective external circuit are in series, and are electrically connected with described time block, and described solid-state relay comprises controllable silicon and optocoupler.
2. safety voltage explosion-proof delay switch according to claim 1, is characterized in that, described 555 timing circuits are 555 timers of CMOS low-power consumption.
3. safety voltage explosion-proof delay switch according to claim 1, is characterized in that, described 555 timing circuits have voltage output end, and described voltage output end and described controllable silicon and optocoupler are electrically connected.
4. safety voltage explosion-proof delay switch according to claim 1, is characterized in that, described 555 timing circuits have charge cycle, and in charge cycle, the electric capacity in 555 timing circuits completes charging.
5. safety voltage explosion-proof delay switch according to claim 4, is characterized in that, described 555 timing circuits have trigger switch, and described trigger switch controls the capacitor discharge in 555 timing circuits.
6. safety voltage explosion-proof according to claim 1 prolongs switch, it is characterized in that, described optocoupler has driving voltage, when the operating voltage of described optocoupler place circuit is lower than described driving voltage, and described controllable silicon cut-off.
7. safety voltage explosion-proof delay switch according to claim 1, it is characterized in that, described explosion-proof casing comprises body, and all sides of described body are formed with the projection of annular, the projection of described annular is formed with the installation foot that position is relative, described installation foot offers installation through hole.
CN201410486765.0A 2014-09-23 2014-09-23 Anti-explosion time delay switch for safety voltage Pending CN104242886A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410486765.0A CN104242886A (en) 2014-09-23 2014-09-23 Anti-explosion time delay switch for safety voltage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410486765.0A CN104242886A (en) 2014-09-23 2014-09-23 Anti-explosion time delay switch for safety voltage

Publications (1)

Publication Number Publication Date
CN104242886A true CN104242886A (en) 2014-12-24

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1804446A (en) * 2005-12-28 2006-07-19 太原理工大学 Pre-warning type bistable gas safety device
CN102158092A (en) * 2011-04-26 2011-08-17 武汉盛帆电子股份有限公司 Three-phase buck type switch power supply module
CN202524597U (en) * 2012-01-13 2012-11-07 台州职业技术学院 Intelligent street lamp control device
CN203126558U (en) * 2013-04-03 2013-08-14 山东大学 Battery management system based on coprocessor and solid-state relay
CN204103882U (en) * 2014-09-23 2015-01-14 苏州市艾能达电子科技有限公司 Safety voltage explosion-proof delay switch

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1804446A (en) * 2005-12-28 2006-07-19 太原理工大学 Pre-warning type bistable gas safety device
CN102158092A (en) * 2011-04-26 2011-08-17 武汉盛帆电子股份有限公司 Three-phase buck type switch power supply module
CN202524597U (en) * 2012-01-13 2012-11-07 台州职业技术学院 Intelligent street lamp control device
CN203126558U (en) * 2013-04-03 2013-08-14 山东大学 Battery management system based on coprocessor and solid-state relay
CN204103882U (en) * 2014-09-23 2015-01-14 苏州市艾能达电子科技有限公司 Safety voltage explosion-proof delay switch

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Application publication date: 20141224