CN103163452A - Circuit used for testing service life of temperature controlled switch of ballast - Google Patents
Circuit used for testing service life of temperature controlled switch of ballast Download PDFInfo
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- CN103163452A CN103163452A CN2011104140360A CN201110414036A CN103163452A CN 103163452 A CN103163452 A CN 103163452A CN 2011104140360 A CN2011104140360 A CN 2011104140360A CN 201110414036 A CN201110414036 A CN 201110414036A CN 103163452 A CN103163452 A CN 103163452A
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Abstract
The invention discloses a circuit used for testing service life of a temperature controlled switch of a ballast. The circuit used for testing service life of the temperature controlled switch of the ballast comprises a direct current power module, a counter, a first relay K1, a second relay K2, an optical coupling tube and a switch tube Q1. The first relay K1, the second relay K2, the optical coupling tube and the switch tube Q1 monitor on-off state of the temperature controlled switch of the ballast, and controls the counter to count once when the temperature controlled switch is detected in an off state. In addition, the counter is further connected with a buzzer. When the counter completes counting, the buzzer alarms to warn a work staff. With adoption of the circuit used for testing service life of the temperature controlled switch of the ballast, the work staff does not need to guard aside a test circuit in the whole process to record on-off times of the temperature controlled switch when the service life of the temperature controlled switch of the ballast is tested, and work efficiency is improved.
Description
Technical field
The present invention relates to the light fitting quality detection field, relate in particular to a kind of circuit for the test ballast resistor temperature detect switch (TDS) life-span.
Background technology
Light fixture is as daily necessities, and is closely bound up with people's life.Be certified products in order to ensure the light fixture that dispatches from the factory, need to carry out various quality testings and test to light fixture after light fixture production is completed.Wherein, a main test is the life-span of temperature detect switch (TDS) in detecting lamp ballasts.Whether the life-span of test temperature detect switch (TDS) refers to test temperature detect switch (TDS) still effective under the break-make number of times of regulation.
Generally, temperature detect switch (TDS) disconnects during higher than its temperature threshold values in environment temperature, and is closed during lower than another temperature threshold values.The temperature threshold values of temperature threshold values during disconnection when closed is generally different values, in order to test the life-span of temperature detect switch (TDS), judges whether it is qualified, need to heat temperature detect switch (TDS) to make temperature detect switch (TDS) carry out onoff.Therefore, test period is longer, needs the tester to record at any time the break-make number of times of temperature detect switch (TDS) aside in test process, is unfavorable for increasing work efficiency low.
Summary of the invention
Technical matters to be solved by this invention is, a kind of circuit for the test ballast resistor temperature detect switch (TDS) life-span is provided, and needing can avoid the defective of manual record temperature detect switch (TDS) break-make number of times in test process.
In order to solve the problems of the technologies described above, on the one hand, embodiments of the invention provide a kind of circuit for the test ballast resistor temperature detect switch (TDS) life-span, comprise: DC power supplier, the positive pole of the power output end of this DC power supplier is electrically connected to the common port pin of a counter, the normal-closed end pin of this counter is connected with an end of the coil of one first relay K 1, the other end ground connection of the coil of described the first relay K 1, and the common port of described counter is connected with normal-closed end; One in the contact of described the first relay K 1 is electrically connected to an end of a ballast resistor, and another is electrically connected to the civil power zero line; The other end of described ballast resistor is connected on the civil power live wire by a current limiting element; Be electrically connected to an end of the coil of one second relay K 2 on the positive pole of the power output end of this DC power supplier, the other end of the coil of this second relay K 2 is connected with the power input of a switching tube Q1; The contact of described the second relay K 2 is connected electrically between the dc power output end and signal input part of described counter; The Enable Pin of described switching tube Q1 is connected on the tie point of the first divider resistance R2 of being connected in series and the second divider resistance R3, the power output end ground connection of described switching tube Q1; Be electrically connected to storage capacitor C4 between the Enable Pin of described switching tube Q1 and power output end; After described the first divider resistance R2 and the second divider resistance R3 are connected in series and be connected between the both positive and negative polarity of power output end of described DC power supplier; The minus earth of the power output end of described DC power supplier; The Enable Pin of described switching tube Q1 is electrically connected to the collector of an optically-coupled pipe, the power output end of described switching tube Q1 is electrically connected to the emitter of optically-coupled pipe, the anode of described optically-coupled pipe is connected electrically on the tie point of described ballast resistor and current limiting element by current-limiting resistance R1 and the first protection diode D1 of series connection successively, the negative electrode of described optically-coupled pipe is connected with the civil power live wire, is connected with the first filter capacitor C1 between the anode of described optically-coupled pipe and negative electrode; The negative electrode of described the first protection diode D1 is connected with current-limiting resistance R1; The power input of described counter is electrically connected to civil power zero line and live wire respectively.
Further, this circuit also comprises one second protection diode D2, and the anode of this second protection diode D2 is connected with the cathodic electricity of described optically-coupled pipe, and the negative electrode of this second protection diode D2 is electrically connected to the civil power live wire.
Further, this circuit also comprises a hummer, and the power input of this hummer is electrically connected to the Chang Kaiduan of described counter, the power output end ground connection of this hummer.
Particularly, the model of described optically-coupled pipe is PC817.
Described current limiting element is bulb or resistance.
Foregoing circuit also comprises Voltage stabilizing module Q2, and this Voltage stabilizing module Q2 is connected in parallel on the positive pole and negative pole of power output end of described DC power supplier.
Further, be connected in parallel to one second filter capacitor C2 between the positive pole of the power output end of described Voltage stabilizing module Q2 and negative pole.
Particularly, described Voltage stabilizing module Q2 is one 7812 type three-terminal voltage-stabilizing pipes.
Described counter is the TCN-P61B counter.
Described switching tube Q1 is metal-oxide-semiconductor or triode.
The embodiment of the present invention has following advantage or beneficial effect:
In the embodiment of the present invention, disclosed circuit adopts relay, optically-coupled pipe, switching tube that the break-make of temperature detect switch (TDS) is detected, and control rolling counters forward once when the temperature detect switch (TDS) disconnection being detected, thereby automatically recorded the break-make number of times of temperature detect switch (TDS) during life-span of temperature detect switch (TDS) by this circuit in the test ballast resistor, need not the staff and wait for the break-make number of times that records temperature detect switch (TDS) on the side, only need to complete laggard row examination in test and get final product, improve work efficiency.
Description of drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or description of the Prior Art, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is used for the electrical block diagram in test ballast resistor temperature detect switch (TDS) life-span in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
Below with reference to accompanying drawing, embodiments of the invention are described.Referring to Fig. 1, wherein be depicted as the electrical block diagram that is used for the test ballast resistor temperature detect switch (TDS) life-span in an embodiment of the present invention.In this embodiment, circuit comprises DC power supplier 10, counter 11, the first relay K 1, the second relay K 2, optically-coupled pipe 12, metal-oxide-semiconductor Q1, current limiting element 13.Wherein, the first relay K 1, the second relay K 2 are four end relays, its closing of contact when having electric current to pass through in coil, and namely the first relay K 1, the second relay K 2 are the open type relay.For the Butut convenience, that coil and the contact of the first relay K 1 and the second relay K 2 is arranged apart.
The positive pole of the power output end of DC power supplier 10 is electrically connected to common port pin one 8 pin of counter 11, normal-closed end pin one 9 pin of this counter 11 are connected with an end of the coil of one first relay K 1, the other end ground connection of the coil of the first relay K 1, the common port of counter 11 is connected with its normal-closed end; One in the normally opened contact of the first relay K 1 is electrically connected to an end of ballast resistor 14, and another in another normally opened contact of the first relay K 1 is electrically connected to the civil power zero line, and the other end of ballast resistor 14 is connected on the civil power live wire by current limiting element 13.After DC power supplier 10 connected civil power, the coil that is connected to the first relay K 1 of counter 11 normal-closed end pin ones 9 got electric, its closing of contact, thus will carry out life test in ballast resistor 14 places in circuit.
Coil one end of the second relay K 2 is connected on the positive pole of power output end of DC power supplier 10, and the other end is connected with the power input of switching tube Q1; The normally opened contact of the second relay K 2 is connected between the dc power output end and signal input part of counter 11, be used for control counter 11 countings, when having electric current to flow through in the coil of the second relay K 2, the contact adhesive of the second relay K 2, counter 11 countings are once.
The Enable Pin of switching tube Q1 is connected on the tie point of the first divider resistance R2 and the second divider resistance R3, and the power output end ground connection of switching tube Q1 is connected storage capacitor C4 between its Enable Pin and its power output end; The first divider resistance R2 and the second divider resistance R3 are connected in series afterwards and are connected to the power output end of DC power supplier 10, and the other end of the first divider resistance R2 is connected with the positive pole of the power output end of DC power supplier 10, and the other end of the second divider resistance R3 is connected with the negative pole of the power output end of DC power supplier 10; The minus earth of the power output end of DC power supplier 10;
Optically-coupled pipe 12 is electrically connected to the Enable Pin of switching tube Q1 by its collector; its emitter is electrically connected to the power output end of switching tube Q1 and ground connection; the anode of optically-coupled pipe 12 is connected electrically on the tie point of ballast resistor 14 and current limiting element 13 by current-limiting resistance R1 and the first protection diode D1 of series connection successively; the negative electrode of optically-coupled pipe 12 is connected with the civil power live wire; be connected with the first filter capacitor C1 between the anode of optically-coupled pipe 12 and negative electrode, wherein the negative electrode of the first protection diode D1 is connected with current-limiting resistance R1.In addition, the power input of counter 11 is electrically connected to civil power zero line and live wire respectively, provides working power by civil power for counter 11, can certainly be counter 11 power supplies by other power supplys.
Need to prove, in above-described embodiment, switching tube Q1 can also can be triode for metal-oxide-semiconductor.When switching tube Q1 adopts triode, the base stage of the corresponding triode of the Enable Pin of switching tube Q1, the collector of the corresponding triode of the power input of switching tube Q1, the emitter of the corresponding triode of the power output end of switching tube Q1.When switching tube Q1 adopts metal-oxide-semiconductor, the grid of the corresponding metal-oxide-semiconductor of the Enable Pin of switching tube Q1, drain electrode or the source electrode of the corresponding metal-oxide-semiconductor of the power input of switching tube Q1, source electrode or the drain electrode of the corresponding metal-oxide-semiconductor of the power output end of switching tube Q1.
Need to prove, the positive pole of the first protection diode D1 is connected with current limiting element 13, and negative pole is connected with current-limiting resistance R1, and being used for provides protection to circuit.
The four end elements that optically-coupled pipe 12 is comprised of light emitting diode and phototriode, when light emitting diode energising conducting, its collector voltage is output as 0.In the present embodiment, when the temperature detect switch (TDS) in ballast resistor is closed, there is electric current to flow through the light emitting diode of optically-coupled pipe, therefore its collector voltage by drop-down be 0, thereby the grid voltage of metal-oxide-semiconductor Q1 is also 0, and not conducting of metal-oxide-semiconductor Q1 does not have electric current to flow through in the coil of the second relay K 2, its contact is not closed, and counter 11 is not counted.
Be provided with switch between the normal-closed end of counter 11 and common port, generally, the switch between normal-closed end and common port is closed; At first counts is set during usage counter 11, after the arrival counts, the normal-closed end of counter 11 and the switch between common port disconnect, and do not have electric current to flow through in the coil of the first relay K 1, its contact separation, thereby disconnect the connection of ballast resistor 14 in circuit with temperature detect switch (TDS), complete test.
In a kind of better embodiment, the Chang Kaiduan place of counter 11 is connected with hummer, this hummer other end ground connection.After counter 11 countings reach the counts that sets in advance, the single-pole double-throw switch (SPDT) that is arranged on Chang Kaiduan, common port, normal-closed end closes at Chang Kaiduan, make hummer send chimes of doom, remind the staff that test is completed, also disconnected the connection of ballast resistor 14 in circuit simultaneously.
Need to prove, because the source electrode of metal-oxide-semiconductor and drain electrode have comparatively symmetrical relation, so its annexation can be exchanged.
Need to prove, the purpose that the first filter capacitor C1 is set is to filter the alternating current part in order to make when the civil power live wire outputs to diode optically-coupled pipe 110, prevents that diode is flickering.The positive pole of the first protection diode D1 is connected with current limiting element 13, and negative pole is connected with current-limiting resistance R2, and it is in order to prevent the components and parts in the directional current damage circuit in civil power, for circuit provides protection that the first protection diode D1 is set.The effect that current limiting element 13 and current-limiting resistance R2 are set is in order to prevent that electric current is excessive, ballast resistor 1 to be caused damage.Current limiting element 13 is bulb or resistance in one embodiment.
Further, the negative electrode of optically-coupled pipe 12 is connected with the civil power live wire by the second protection diode D2, and the positive pole of this second protection diode D2 is connected with the negative electrode of optically-coupled pipe 12, and negative pole is connected with the civil power live wire.
The power output end of DC power supplier 10 also passes through the second filter capacitor C2 ground connection, thereby exports galvanic current pressure more.
In one embodiment, DC power supplier 10 comprises transformer T1, bridge heap B1, the 3rd filter capacitor C3, and the primary coil of transformer T1 is connected with civil power live wire and civil power zero line respectively, and its secondary coil is connected with the interchange both positive and negative polarity of bridge heap B1 respectively; The direct-flow positive pole of bridge heap B1 is as the power output end of DC power supplier 10, its direct current minus earth; The 3rd filter capacitor C3 is connected between the direct-flow positive pole and direct current negative pole of bridge heap B1.In a kind of better embodiment, be connected with Voltage stabilizing module Q2 on the power output end ground both positive and negative polarity of DC power supplier 10, be used for making the output voltage stabilization of DC power supplier 10.Particularly, Voltage stabilizing module Q2 adopts 7812 three-terminal voltage-stabilizing pipe Q2 to realize, the power input of 7812 three-terminal voltage-stabilizing pipes is connected with the power output end of DC power supplier 10, the power output end of 7812 three-terminal voltage-stabilizing pipes replaces the power output end of original DC power supplier 10 to be other components and parts power supplies, the grounding leg ground connection of 7812 three-terminal voltage-stabilizing pipes.
In one embodiment, counter 11 adopts the TCN-P61B counter, and the optically-coupled pipe is PC817 optically-coupled pipe.
when using the life-span of temperature detect switch (TDS) in the disclosed circuit test ballast resistor of the embodiment of the present invention, at first the break-make number of times that needs to test temperature detect switch (TDS) on counter 11 is set, connect after civil power and by DC power supplier 10, city's alternating current to be converted to the common port that outputs to counter 11 after direct supply, because common port and the normal-closed end of counter 11 is in normally off, be the coil power supply that is connected to the first relay K 1 of counter 11 normal-closed ends by DC power supplier 10, the coil of the first relay K 1 get electric after, its closing of contact, thereby ballast resistor 14 is linked into carries out life test in circuit, on the other hand, civil power is ballast resistor 14 power supplies with temperature detect switch (TDS), ballast resistor 14 heatings by current limiting element 13, simultaneously, civil power is 12 power supplies of optically-coupled pipe by current limiting element 13, the first protection diode D1, current-limiting resistance R1, the collector voltage of optically-coupled pipe 12 is 0, therefore the grid voltage of metal-oxide-semiconductor Q1 is 0, not conducting of metal-oxide-semiconductor Q1, do not have electric current to flow through the coil of the second relay K 2, its contact does not contact, and counter 11 is not counted.After after a while, ballast resistor 14 thermal values are accumulated to certain value, when reaching the temperature threshold values of temperature detect switch (TDS) disconnection, temperature detect switch (TDS) disconnects, and in optically-coupled pipe 12, no current flows through, the voltage at the second divider resistance R3 two ends rises gradually, make metal-oxide-semiconductor Q1 conducting, therefore, have electric current to flow through in the coil of the second relay K 2, its contact contact, counter 11 countings once.When ballast resistor 14 temperature with temperature detect switch (TDS) were reduced to the door close limit value, temperature detect switch (TDS) was again closed, and the circulation said process is until counter 11 counts reach settings.After counter 11 counts reached settings, common port and normal-closed end disconnected, and were connected with Chang Kaiduan simultaneously, and hummer sends chimes of doom and reminds staff's test job to complete.
Need to prove, in the present invention, the ballast resistor of indication all refers to the ballast resistor with temperature detect switch (TDS).
Need to prove, the L in Fig. 1 represents that civil power live wire, N represent the civil power zero line.
In addition, civil power live wire and zero line be the 220V power input and ground end of linkage counter 11 respectively, for counter provides working power.
The embodiment of the present invention has following advantage or beneficial effect: adopt the break-make of relay, optically-coupled pipe, switching tube monitoring temperature detect switch (TDS), and when temperature detect switch (TDS) disconnects by counter records.Remind the staff by the hummer that is connected with counter after test is completed, need not the staff and wait in very long test process at the other break-make number of times that records temperature detect switch (TDS) of testing circuit, realized unmanned testing, improved significantly work efficiency.
Above-described embodiment does not consist of the restriction to this technical scheme protection domain.Any at above-mentioned embodiment spirit and principle within do modification, be equal to and replace and improvement etc., within all should being included in the protection domain of this technical scheme.
Claims (10)
1. circuit that is used for the test ballast resistor temperature detect switch (TDS) life-span, comprise DC power supplier, it is characterized in that, the positive pole of the power output end of this DC power supplier is electrically connected to the common port pin of a counter, the normal-closed end pin of this counter is connected with an end of the coil of one first relay K 1, the other end ground connection of the coil of described the first relay K 1, the common port of described counter is connected with normal-closed end;
One in the contact of described the first relay K 1 is electrically connected to an end of a ballast resistor, and another is electrically connected to the civil power zero line; The other end of described ballast resistor is connected on the civil power live wire by a current limiting element;
Be electrically connected to an end of the coil of one second relay K 2 on the positive pole of the power output end of this DC power supplier, the other end of the coil of this second relay K 2 is connected with the power input of a switching tube Q1; The contact of described the second relay K 2 is connected electrically between the dc power output end and signal input part of described counter;
The Enable Pin of described switching tube Q1 is connected on the tie point of the first divider resistance R2 of being connected in series and the second divider resistance R3, the power output end ground connection of described switching tube Q1;
Be electrically connected to storage capacitor C4 between the Enable Pin of described switching tube Q1 and power output end; After being connected in series, described the first divider resistance R2 and the second divider resistance R3 be connected between the both positive and negative polarity of power output end of described DC power supplier; The minus earth of the power output end of described DC power supplier;
The Enable Pin of described switching tube Q1 is electrically connected to the collector of an optically-coupled pipe, the power output end of described switching tube Q1 is electrically connected to the emitter of optically-coupled pipe, the anode of described optically-coupled pipe is connected electrically on the tie point of described ballast resistor and current limiting element by current-limiting resistance R1 and the first protection diode D1 of series connection successively, the negative electrode of described optically-coupled pipe is connected with the civil power live wire, is connected with the first filter capacitor C1 between the anode of described optically-coupled pipe and negative electrode; The negative electrode of described the first protection diode D1 is connected with current-limiting resistance R1;
The power input of described counter is electrically connected to civil power zero line and live wire respectively.
2. circuit as claimed in claim 1, is characterized in that, also comprises one second protection diode D2, and the anode of this second protection diode D2 is connected with the cathodic electricity of described optically-coupled pipe, and the negative electrode of this second protection diode D2 is electrically connected to the civil power live wire.
3. circuit as claimed in claim 1, is characterized in that, also comprises a hummer, and the power input of this hummer is electrically connected to the Chang Kaiduan of described counter, the power output end ground connection of this hummer.
4. circuit as claimed in claim 1, is characterized in that, the model of described optically-coupled pipe is PC817.
5. circuit as claimed in claim 1, is characterized in that, described current limiting element is bulb or resistance.
6. circuit as claimed in claim 1, is characterized in that, also comprises Voltage stabilizing module Q2, and this Voltage stabilizing module Q2 is connected in parallel on the positive pole and negative pole of power output end of described DC power supplier.
7. circuit as claimed in claim 6, is characterized in that, is connected in parallel to one second filter capacitor C2 between the positive pole of the power output end of described Voltage stabilizing module Q2 and negative pole.
8. circuit as described in claim 6 or 7, is characterized in that, described Voltage stabilizing module Q2 is one 7812 type three-terminal voltage-stabilizing pipes.
9. circuit as claimed in claim 1, is characterized in that, described counter is the TCN-P61B counter.
10. circuit as claimed in claim 1, is characterized in that, described switching tube Q1 is metal-oxide-semiconductor or triode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110414036.0A CN103163452B (en) | 2011-12-13 | 2011-12-13 | A kind of for testing the circuit in temperature detect switch (TDS) life-span in ballast |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110414036.0A CN103163452B (en) | 2011-12-13 | 2011-12-13 | A kind of for testing the circuit in temperature detect switch (TDS) life-span in ballast |
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| Publication Number | Publication Date |
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| CN103163452A true CN103163452A (en) | 2013-06-19 |
| CN103163452B CN103163452B (en) | 2016-08-24 |
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| CN201110414036.0A Expired - Fee Related CN103163452B (en) | 2011-12-13 | 2011-12-13 | A kind of for testing the circuit in temperature detect switch (TDS) life-span in ballast |
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| CN106679882A (en) * | 2016-10-21 | 2017-05-17 | 广州翼鲲生物科技有限公司 | Resistive thin-film inductive pedal test device |
| CN108508324A (en) * | 2017-02-28 | 2018-09-07 | 神讯电脑(昆山)有限公司 | USB female interface detection apparatus |
| CN109764503A (en) * | 2019-01-15 | 2019-05-17 | 海信（广东）空调有限公司 | Outdoor power supply control circuit of air conditioner and air conditioner |
| CN110967181A (en) * | 2019-12-18 | 2020-04-07 | 中国石油天然气股份有限公司 | Life tester of gas well intelligent switching well device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106679882A (en) * | 2016-10-21 | 2017-05-17 | 广州翼鲲生物科技有限公司 | Resistive thin-film inductive pedal test device |
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| CN108508324A (en) * | 2017-02-28 | 2018-09-07 | 神讯电脑(昆山)有限公司 | USB female interface detection apparatus |
| CN109764503A (en) * | 2019-01-15 | 2019-05-17 | 海信（广东）空调有限公司 | Outdoor power supply control circuit of air conditioner and air conditioner |
| CN109764503B (en) * | 2019-01-15 | 2021-04-16 | 海信（广东）空调有限公司 | Outdoor power supply control circuit of air conditioner and air conditioner |
| US11971180B2 (en) | 2019-01-15 | 2024-04-30 | Hisense (Guangdong) Air Conditioner Co., Ltd. | Outdoor unit of air conditioner, and air conditioner |
| CN110967181A (en) * | 2019-12-18 | 2020-04-07 | 中国石油天然气股份有限公司 | Life tester of gas well intelligent switching well device |
| CN110967181B (en) * | 2019-12-18 | 2024-09-27 | 中国石油天然气股份有限公司 | Life tester of intelligent well switching device for gas well |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103163452B (en) | 2016-08-24 |
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