CN104076298A - Emergency lamp repeated conversion performance test circuit and emergency lamp repeated conversion performance tester - Google Patents
Emergency lamp repeated conversion performance test circuit and emergency lamp repeated conversion performance tester Download PDFInfo
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- CN104076298A CN104076298A CN201310109342.2A CN201310109342A CN104076298A CN 104076298 A CN104076298 A CN 104076298A CN 201310109342 A CN201310109342 A CN 201310109342A CN 104076298 A CN104076298 A CN 104076298A
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- time relay
- emergency light
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Abstract
An emergency lamp repeated conversion performance test circuit is used for detecting whether the repeated conversion performance of an emergency lamp is normal or not and comprises a time module and a counting module. The time module comprises a first time relay and a second time relay. The emergency lamp repeated conversion performance test circuit controls connection and disconnection of a power supply and the emergency lamp by adopting the first time relay and the second time relay. Meanwhile, the first time relay and the second time relay are controlled mutually, and automatic switching of a main power supply state and an emergency state of the emergency lamp can be achieved. The counting module performs corresponding one-time counting after the main power supply state and the emergency state are switched for one time. Therefore, the emergency lamp repeated conversion performance test circuit can automatically achieve repeated performance testing of the emergency lamp, manual intervention is not needed in the whole process, the main power supply state time and the emergency state time are also preset in advance, and accordingly testing results are accurate.
Description
Technical field
The present invention relates to emergency light detection technique, particularly relate to a kind of simple emergency light and repeat conversion performance test circuit and emergency light repetition conversion performance tester.
Background technology
In fire emergency lamps industry, detect fire emergency lamp and whether meet the demands, generally can be to the voltage fluctuation of fire emergency lamp, repeat the performances such as conversion and detect.Repeat the requirement that conversion performance need to meet 6.6 repetition conversion performances in GB17945.Be that fire emergency lamp can complete the duty circulation of at least 50 times " the main electricity condition 60s of main electricity condition 60s---emergency rating 20s---" continuously.And general employing of existing repetition conversion performance manually controlled the main electricity condition of fire emergency lamp and the conversion of emergency rating.Thereby can exist repeat to change the main electricity condition time inaccurate, repeat to change the emergency rating time inaccurate, repeat the problems such as the inaccurate and testing efficiency of conversion times is low:.
Summary of the invention
Based on this, provide one automatically, emergency light repeats conversion performance test circuit accurately.
Whether a kind of emergency light repeats conversion performance test circuit, normal for detection of the repetition conversion performance of emergency light, comprises time module and counting module;
Described time module comprises very first time relay and second time relay; The electronic coil of described very first time relay is series between the both positive and negative polarity of AC power, the normal-closed end of the single-pole double-throw switch (SPDT) of described very first time relay is connected between positive source and emergency light, the Chang Kaiduan of the single-pole double-throw switch (SPDT) of described very first time relay is connected between positive source and the electronic coil of described second time relay, the electronic coil other end ground connection of described second time relay, the normal open switch of described very first time relay is connected with the counting end of described counting module; The normal open switch of described second time relay is connected with the reset terminal of described very first time relay;
The power access end of described counting module is used for being electrically connected with positive source, the earth terminal ground connection of described counting module;
The electronic coil of described very first time relay reach after electric threshold value, the normal-closed end of the single-pole double-throw switch (SPDT) of described very first time relay disconnects, described emergency light disconnection is connected with power supply, the Chang Kaiduan closure of described single-pole double-throw switch (SPDT), the electronic coil of described second time relay obtains electric, the normal open switch closure of described very first time relay, the counting module being connected with the normal open switch of described very first time relay is counted once;
The electronic coil of described second time relay reach after electric threshold value, the normal open switch closure of described second time relay being connected with described very first time relay reset terminal, described very first time relay resets again electricly.
In an embodiment, also comprise the module of warning being connected with described counting module therein, described counting module preset count threshold value, when described counting module reaches count threshold, described in the module of warning send the signal of warning.
Therein in an embodiment, described in the module of warning comprise hummer, when described counting module reaches count threshold, described hummer is sounded a buzzer.
Therein in an embodiment, described in the module of warning comprise LED, when described counting module reaches count threshold, described LED lights.
In an embodiment, the count threshold of described counting module is at least 50 therein.
In an embodiment, described very first time relay model is DH48S therein.
In an embodiment, described the second time relay model is DH48S therein.
Therein in an embodiment, described very first time relay electric threshold value be 60s.
Therein in an embodiment, described second time relay electric threshold value be 20s.
Above-mentioned emergency light repeats conversion performance test circuit by adopting conducting and the disconnection between very first time relay and the second time relay control power supply and emergency light.Meanwhile, very first time relay and second time relay are controlled mutually, can automatically realize main electricity condition and the emergency rating of emergency light and automatically change.Counting module at main electricity condition once and corresponding counting after emergency rating conversion once.Thereby above-mentioned emergency light repeats conversion performance test circuit can realize the Repeatability test of emergency light automatically, whole process is without manual intervention, and the main electricity condition time and the emergency rating time also preset in advance, thereby test result is accurate.
In addition, also provide one automatically, emergency light repeats conversion performance tester accurately.
A kind of emergency light repeats conversion performance tester, for detection of the repetition conversion performance of emergency light, comprises that above-mentioned emergency light repeats conversion performance test circuit, input and output terminal block and shell;
Described shell is used for accommodating described emergency light and repeats conversion performance test circuit, described input and output terminal block is arranged on described shell, described input and output terminal block is used to described emergency light to repeat conversion performance test circuit input voltage is provided, and the output that described emergency light is repeated to conversion performance test circuit offers described emergency light.
Above-mentioned emergency light repeats conversion performance tester and automatically tests the repetition conversion performance of emergency light by emergency light Repeatability test circuit, thereby reaches the repetition conversion performance that detects emergency light.Without manual intervention test or timing.
Brief description of the drawings
Fig. 1 is the external cabling schematic diagram that emergency light repeats conversion performance test circuit;
Fig. 2 is the schematic diagram that emergency light repeats conversion performance test circuit.
Embodiment
Incorporated by reference to Fig. 1 and Fig. 2.
Whether a kind of emergency light repeats conversion performance test circuit, normal for detection of the repetition conversion performance of emergency light, comprises time module and counting module PC.
Described time module comprises very first time relay K T1 and the second time relay KT2, the electronic coil of described very first time relay K T1 is series between the both positive and negative polarity of AC power, the normal-closed end KT1.1a of the single-pole double-throw switch (SPDT) KT1.1 of described very first time relay K T1 is connected between positive source and emergency light, the Chang Kaiduan KT1.1b of the single-pole double-throw switch (SPDT) KT1.1 of described very first time relay K T1 is connected between positive source and the electronic coil of described the second time relay KT2, the electronic coil other end ground connection of described the second time relay KT2, the normal open switch KT1.2 of described very first time relay K T1 is connected with the counting end of described counting module PC, the normal open switch KT2.1 of described the second time relay KT2 is connected with the reset terminal of described very first time relay K T1.
The power access end of described counting module PC is used for being electrically connected with positive source, the earth terminal ground connection of described counting module PC.
The electronic coil of described very first time relay K T1 reach after electric threshold value, the normal-closed end KT1.1a of the single-pole double-throw switch (SPDT) KT1.1 of described very first time relay K T1 disconnects, described emergency light disconnection is connected with power supply, the Chang Kaiduan KT1.1b closure of described single-pole double-throw switch (SPDT) KT1.1, the electronic coil of described the second time relay KT2 obtains electric, the normal open switch KT1.2 closure of described very first time relay K T1, the counting module PC being connected with the normal open switch KT1.2 of described very first time relay K T1 counts once.
The electronic coil of described the second time relay KT2 reach after electric threshold value, the normal open switch closure of described the second time relay KT2 being connected with described very first time relay K T1 reset terminal, described very first time relay K T1 resets again electricly.
Time module is for accurately controlling the main electricity condition of emergency light and the switching time of emergency rating.Particularly, when the very first time, relay K T1 was about to electricly, mains supply is powered to emergency light, and emergency light is in main electricity condition.Very first time relay K T1 reach after electric threshold value, the electronic coil of very first time relay K T1 obtains electric, very first time relay K T1 deenergization is connected with emergency light, emergency light is in emergency rating.Very first time relay K T1 reach after electric threshold value, between the second time relay KT2 and power supply, be communicated with, the second time relay KT2 obtains electric, the second time relay KT2 reach after electric threshold value, the normal open switch KT2.1 closure of the second time relay KT2 being connected with very first time relay K T1 reset terminal, very first time relay K T1 resets again electricly.Emergency light is in main electricity condition.
Counting module PC is for the main electricity condition of prepare control emergency light and the conversion times of emergency rating.Very first time relay K T1 reach after electric threshold value, the very first time relay K T1 normal open switch KT1.2 closure being connected with counting module PC, counting module PC counts once.Be emergency light in the time of main electricity condition, counting module PC counts once.Thereby can calculate the main electricity condition of emergency light and the conversion times of emergency rating.
Emergency light repeats conversion performance test circuit and also comprises the module of warning being connected with described counting module PC, described counting module PC preset count threshold value, when described counting module PC reaches count threshold, described in the module of warning send the signal of warning.
In one embodiment, the module of warning comprises hummer H, and when described counting module PC reaches count threshold, described hummer H sounds a buzzer.
In another embodiment, the module of warning comprises LED, and when described counting module PC reaches count threshold, described LED lights.
The count threshold of counting module PC is at least 50.Preferably, the count threshold of counting module PC is 50.Be that very first time relay K T1 reaches while obtaining electric threshold value 50 times, counting module PC controls the module of warning and sends the signal of warning.
Very first time relay K T1 model is DH48S.
The second time relay KT2 model is DH48S.
Very first time relay K T1's must electric threshold value be 60s.Be that very first time relay K T1 obtains after electric 60s, the single-pole double-throw switch (SPDT) KT1.1 of very first time relay K T1 and normal open switch KT1.2 action.Accordingly, very first time relay K T1 deenergization is connected with emergency light, makes counting module PC count once simultaneously.
The second time relay KT2's must electric threshold value be 20s.The second time relay KT2 obtains after electric 20s, the normal open switch action of the second time relay KT2.Corresponding, the reset terminal of very first time relay K T1 obtains electric, and very first time relay K T1 resets again electricly.
The counting end 10 of counting module PC is connected with the normal open switch KT1.2 of very first time relay K T1, and the other end of normal open switch KT1.2 is connected with the internal electric source negative pole 11 of counting module PC.The internal electric source anodal 9 of counting module PC is connected with internal electric source output terminal 4, earth terminal 1 ground connection of counting module PC.The normal open switch end 3 of counting module PC is connected with the positive pole of hummer H, and the negative pole of hummer H is connected with internal electric source negative pole 11.
In above-mentioned all embodiment, all adopt civil power to very first time relay K T1, the second time relay KT2, counting module PC and emergency light power supply.
In above-mentioned all embodiment, emergency light is preferably fire emergency lamp.
Based on above-mentioned all embodiment, the principle of work that emergency light repeats conversion performance test circuit is as follows:
When civil power is normally inputted, the electronic coil of very first time relay K T1 is about to electricly, and the normal-closed end KT1.1a of the single-pole double-throw switch (SPDT) KT1.1 of very first time relay K T1 remains closed, and civil power is powered to emergency light, and emergency light is in main electricity condition.Very first time relay K T1 reach after electric threshold value,, after 60s, the electronic coil of very first time relay K T1 obtains electric, corresponding, the normal open switch KT1.2 closure of very first time relay K T1, counting module PC counts once.The normal-closed end KT1.1a of single-pole double-throw switch (SPDT) KT1.1 disconnects, Chang Kaiduan KT1.1b closure, thereby, between civil power and emergency light, disconnect.Emergency light is in emergency rating.Due to the Chang Kaiduan KT1.1b closure of single-pole double-throw switch (SPDT) KT1.1, thereby the electronic coil of the second time relay KT2 is about to electricly, the second time relay KT2 reach after electric threshold value, after being 20s, the electronic coil of the second time relay KT2 obtains electric, the normal open switch KT2.1 closure of the second time relay KT2, the reset terminal of the very first time relay K T1 being connected with the normal open switch KT2.1 of the second time relay KT2 obtains electric, and very first time relay K T1 resets and is again about to electricly.
Counting module PC obtains electrochronograph number once at very first time relay K T1, therefore, very first time relay K T1 and the second time relay KT2 repeat to change after electric dead electricity 50 times, counting module PC controls the module of warning and sends the signal of warning.
Above-mentioned emergency light repeats conversion performance test circuit by adopting very first time relay K T1 and the second time relay KT2 to control conducting and the disconnection between power supply and emergency light.Meanwhile, very first time relay K T1 and the second time relay KT2 control mutually, can automatically realize main electricity condition and the emergency rating of emergency light and automatically change.Counting module PC at main electricity condition once and corresponding counting after emergency rating conversion once.Thereby above-mentioned emergency light repeats conversion performance test circuit can realize the Repeatability test of emergency light automatically, whole process is without manual intervention, and the main electricity condition time and the emergency rating time also preset in advance, thereby test result is accurate.
A kind of emergency light repeats conversion performance tester, for detection of the repetition conversion performance of emergency light, comprises that above-mentioned emergency light repeats conversion performance test circuit, input and output terminal block and shell.
Described shell is used for accommodating described emergency light and repeats conversion performance test circuit, described input and output terminal block is arranged on described shell, described input and output terminal block is used to described emergency light to repeat conversion performance test circuit input voltage is provided, and the output that described emergency light is repeated to conversion performance test circuit offers described emergency light.
Above-mentioned emergency light repeats conversion performance tester and automatically tests the repetition conversion performance of emergency light by emergency light Repeatability test circuit, thereby reaches the repetition conversion performance that detects emergency light.Without manual intervention test or timing.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. whether emergency light repeats a conversion performance test circuit, normal for detection of the repetition conversion performance of emergency light, it is characterized in that, comprises time module and counting module;
Described time module comprises very first time relay and second time relay; The electronic coil of described very first time relay is series between the both positive and negative polarity of AC power, the normal-closed end of the single-pole double-throw switch (SPDT) of described very first time relay is connected between positive source and emergency light, the Chang Kaiduan of the single-pole double-throw switch (SPDT) of described very first time relay is connected between positive source and the electronic coil of described second time relay, the electronic coil other end ground connection of described second time relay, the normal open switch of described very first time relay is connected with the counting end of described counting module; The normal open switch of described second time relay is connected with the reset terminal of described very first time relay;
The power access end of described counting module is used for being electrically connected with positive source, the earth terminal ground connection of described counting module;
The electronic coil of described very first time relay reach after electric threshold value, the normal-closed end of the single-pole double-throw switch (SPDT) of described very first time relay disconnects, described emergency light disconnection is connected with power supply, the Chang Kaiduan closure of described single-pole double-throw switch (SPDT), the electronic coil of described second time relay obtains electric, the normal open switch closure of described very first time relay, the counting module being connected with the normal open switch of described very first time relay is counted once;
The electronic coil of described second time relay reach after electric threshold value, the normal open switch closure of described second time relay being connected with described very first time relay reset terminal, described very first time relay resets again electricly.
2. emergency light according to claim 1 repeats conversion performance test circuit, it is characterized in that, also comprise the module of warning being connected with described counting module, described counting module preset count threshold value, when described counting module reaches count threshold, described in the module of warning send the signal of warning.
3. emergency light according to claim 2 repeats conversion performance test circuit, it is characterized in that, described in the module of warning comprise hummer, when described counting module reaches count threshold, described hummer is sounded a buzzer.
4. emergency light according to claim 2 repeats conversion performance test circuit, it is characterized in that, described in the module of warning comprise LED, when described counting module reaches count threshold, described LED lights.
5. repeat conversion performance test circuit according to the emergency light described in claim 3 or 4, it is characterized in that, the count threshold of described counting module is at least 50.
6. emergency light according to claim 1 repeats conversion performance test circuit, it is characterized in that, described very first time relay model is DH48S.
7. emergency light according to claim 1 repeats conversion performance test circuit, it is characterized in that, described the second time relay model is DH48S.
8. emergency light according to claim 1 repeats conversion performance test circuit, it is characterized in that, described very first time relay electric threshold value be 60s.
9. emergency light according to claim 1 repeats conversion performance test circuit, it is characterized in that, described second time relay electric threshold value be 20s.
10. emergency light repeats a conversion performance tester, for detection of the repetition conversion performance of emergency light, it is characterized in that, comprises that the emergency light described in claim 1-9 any one repeats conversion performance test circuit, input and output terminal block and shell;
Described shell is used for accommodating described emergency light and repeats conversion performance test circuit, described input and output terminal block is arranged on described shell, described input and output terminal block is used to described emergency light to repeat conversion performance test circuit input voltage is provided, and the output that described emergency light is repeated to conversion performance test circuit offers described emergency light.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310109342.2A CN104076298B (en) | 2013-03-29 | 2013-03-29 | Emergency light repeats conversion performance test circuit and tester |
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| CN201310109342.2A CN104076298B (en) | 2013-03-29 | 2013-03-29 | Emergency light repeats conversion performance test circuit and tester |
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| CN104076298A true CN104076298A (en) | 2014-10-01 |
| CN104076298B CN104076298B (en) | 2016-12-28 |
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Patent Citations (9)
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| JPS57179765A (en) * | 1981-04-30 | 1982-11-05 | Matsushita Electric Works Ltd | Lamp life detecting circuit |
| GB2380620A (en) * | 2001-07-07 | 2003-04-09 | Paul Alexander Breen | Automatic emergency lamp testing unit |
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