CN203745620U - Lamp testing circuit and device - Google Patents
Lamp testing circuit and device Download PDFInfo
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- CN203745620U CN203745620U CN201320884518.7U CN201320884518U CN203745620U CN 203745620 U CN203745620 U CN 203745620U CN 201320884518 U CN201320884518 U CN 201320884518U CN 203745620 U CN203745620 U CN 203745620U
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- 238000012360 testing method Methods 0.000 title claims abstract description 52
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 120
- 238000001514 detection method Methods 0.000 claims abstract description 30
- 239000003381 stabilizer Substances 0.000 claims description 28
- 238000001816 cooling Methods 0.000 claims description 23
- 239000007858 starting material Substances 0.000 claims description 12
- 239000000284 extract Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 238000007537 lampworking Methods 0.000 abstract 1
- 239000002184 metal Substances 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 8
- 125000005843 halogen group Chemical group 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910000939 field's metal Inorganic materials 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910001507 metal halide Inorganic materials 0.000 description 1
- 150000005309 metal halides Chemical class 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
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Abstract
The utility model discloses a lamp testing circuit. The lamp testing circuit includes a circuit breaker, a main circuit and a control circuit; the input end of the circuit breaker is connected with an alternating current power supply; the output end of the circuit breaker is connected with the input end of the main circuit and the input end of the control circuit; the control circuit is used for controlling the working status of the main circuit; the main circuit includes a lamp working circuit, a water pump working circuit, a fan working circuit, a current detection circuit, a voltage detection circuit and a lamp to be tested; and the control circuit includes a water pump control circuit, a fan control circuit, a temperature detection circuit and a lamp control circuit. The utility model also discloses a lamp testing device. With the lamp testing circuit and device of the utility model adopted, the working status of the main circuit is controlled through the control circuit, so that the electrical parameters of the lamp to be tested can be measured. The lamp testing circuit and device have the advantages of simple circuit structure and excellent flexibility.
Description
Technical field
The utility model relates to circuit field, relates in particular to a kind of PCB manufacture field Metal halogen lamp tool test circuit and device.
Background technology
Illuminating industry is very extensive and important in modern society's application, and the illuminating product using in all trades and professions is all different, lighting quality is required also just more and more higher, certainly also just more and more higher to the reliability requirement of light fixture product.Metal halid lamp is again high-strength ultraviolet Halogen lamp LED, belongs to the one of metal halide lamp, and principal spectrum effective range is between 350nm-450nm.Be mainly used in PCB(Printed Circuit Board, printed circuit board (PCB)) exposure of dry film, wet film, green anti-solder flux in manufacturing process, there is the features such as the time shutter is short, intensity is high, exposure quality is good, the maximum feature of this lamp is that UV intensity is high, wire mark and solidify in color, particularly for the thicker product of coating, and being dried of white and black, outstanding effect there is.
The equipment such as the curing apparatus of use metal halid lamp need larger input voltage and electric current, and conventionally, in such application, the power of metal halid lamp is very large, as 7KW.For ensureing properties of product and improve user to use the security of this product, before dispatching from the factory, metal halid lamp all needs its electrical quantity to test, test electric current and the voltage parameter of this product within the specific time period according to given rated power, only have qualified product to be used or buying in batches.At present, when prior art is carried out electric parameters testing to powerful metal halid lamp, there is the shortcoming of circuit structure complexity and very flexible.
Utility model content
Technical problem to be solved in the utility model is, has the shortcoming of circuit structure complexity and very flexible while powerful metal halid lamp being carried out to electric parameters testing for above-mentioned prior art, and a kind of light fixture test circuit and device are provided.
The utility model solves the technical scheme that its technical matters adopts, a kind of light fixture test circuit is provided, comprise: isolating switch, main circuit and control circuit, the input end of described isolating switch is connected with AC power, the output terminal of described isolating switch is connected with the input end of described main circuit and described control circuit respectively, described control circuit is for controlling the duty of described main circuit, wherein
Described main circuit comprises: light fixture operating circuit, pump working circuit, fan work circuit, current detection circuit, voltage detecting circuit and light fixture to be measured; The input end of described light fixture operating circuit is connected with any two live wires in the output terminal of described isolating switch, and the output terminal of described light fixture operating circuit is connected with described light fixture to be measured; Described voltage detecting circuit is connected in parallel on the two ends of described light fixture to be measured; Described current detection circuit is connected on a branch road of described light fixture operating circuit and described light fixture to be measured; The input end of described pump working circuit is connected with the output terminal of described isolating switch; The input end of described fan work circuit is connected with the input end of described isolating switch;
Described light fixture operating circuit is used for driving described light fixture work to be measured, described pump working circuit and described fan work circuit are for lowering the temperature to described light fixture to be measured, described current detection circuit is for detection of the working current of described light fixture to be measured, and described voltage detecting circuit is for detection of the operating voltage of described light fixture to be measured;
Described control circuit comprises: fuse, emergency stop switch, water pump control circuit, fan control circuitry, temperature sensing circuit and lamp control circuit; A wherein live wire L in the output terminal of described isolating switch is connected to the input end of described water pump control circuit, described fan control circuitry, described temperature sensing circuit and described lamp control circuit after by described fuse and described emergency stop switch, and the output terminal of described water pump control circuit, described fan control circuitry, described temperature sensing circuit and described lamp control circuit is connected with zero line N;
Described water pump control circuit is for detection of the water level in water tank and control the duty of described pump working circuit, described fan control circuitry is for controlling the duty of described fan work circuit, described temperature sensing circuit is for detection of the temperature of chilled water in water tank, and described lamp control circuit is for controlling the duty of described light fixture operating circuit.
Wherein, described light fixture operating circuit comprises: the main contacts of main contacts, starter, stabilizer and second contactor of the first contactor, and the first main contacts of described the first contactor is connected on any live wire in the output terminal of described isolating switch to the branch road of the first input end of described stabilizer; The second main contacts of described the first contactor is connected on another root live wire in the output terminal of described isolating switch to the branch road of the second input end of described stabilizer; Described starter is connected with described stabilizer; The first output terminal of described stabilizer is connected with the second output terminal of described stabilizer by described light fixture to be measured; The 3rd output terminal of described stabilizer is connected by the main contacts of described the second contactor and the first output terminal of described stabilizer.
Wherein, described voltage detecting circuit comprises voltage transformer (VT) and voltage table, and described current detection circuit comprises current transformer and reometer; The primary side of described voltage transformer (VT) is connected in parallel on the two ends of described light fixture to be measured, and described voltage table is connected with the out secondary of described voltage transformer (VT); The primary side of described current transformer is connected on inputing or outputing on branch road of described light fixture to be measured, and described reometer is connected with the out secondary of described current transformer.
Wherein, described pump working circuit comprises main contacts and the water pump of the 3rd contactor, and three live wires in the output terminal of described isolating switch are connected with described water pump by three main contactss of described the 3rd contactor respectively; Described fan work circuit comprises main contacts and the exhaust fan of the 4th contactor, after second main contacts of the wherein live wire in the output terminal of described isolating switch by the first main contacts, described exhaust fan and described the 4th contactor of described the 4th contactor, is connected with zero line.
Wherein, described water pump control circuit comprises level switch, the first starting switch, the line bag of described the 3rd contactor, the self-holding contact of described the 3rd contactor and the line bag of the first relay, described live wire L is connected with zero line N by after the line bag of described level switch, described the first starting switch and described the 3rd contactor, the self-holding contact of described the 3rd contactor is connected in parallel on the two ends of described the first starting switch, and the line bag of described the first relay is connected in parallel on the two ends of the line bag of described the 3rd contactor; Described fan control circuitry comprises the first normally opened contact of described the first relay and the line bag of described the 4th contactor, and described live wire L passes through to be connected with zero line after the first normally opened contact of described the first relay and the line bag of described the 4th contactor.
Wherein, described temperature sensing circuit comprises the second normally opened contact of described the first relay and the line bag of temperature switch, and described live wire L passes through to be connected with zero line after the second normally opened contact of described the first relay and the line bag of described temperature switch.
Wherein, lamp control circuit comprises first control circuit and second control circuit, described first control circuit comprises the first shutdown switch, the normally closed contact of described temperature switch, the 3rd normally opened contact of described the first relay, the second starting switch, the line bag of described the first contactor and the self-holding contact of described the first contactor, described live wire L is by described the first shutdown switch, the normally closed contact of described temperature switch, the 3rd normally opened contact of described the first relay, after the line bag of described the second starting switch and described the first contactor, be connected with zero line, the self-holding contact of described the first contactor is connected in parallel on the two ends of described the second starting switch,
Described second control circuit comprises the auxiliary normally opened contact of described the first contactor, the 3rd starting switch with auto-lock function and the line bag of described the second contactor, after the line bag of described live wire L by auxiliary normally opened contact, described the 3rd starting switch and described second contactor of described the first contactor, is connected with zero line.
Described first control circuit is for controlling the duty of described light fixture operating circuit, and making described light fixture to be measured in half-power duty, described second control circuit is used for controlling described light fixture operating circuit makes described light fixture to be measured in full power operation state.
Wherein, also comprise warning circuit, described warning circuit comprises the 4th normally opened contact and hummer of the normally opened contact of described temperature switch, described the first relay, and described live wire L is connected with zero line with after described hummer by the normally opened contact of described temperature switch, the 4th normally opened contact of described the first relay.
When the temperature that chilled water in water tank detected is during higher than preset temperature value, described warning circuit sends sound and/or visual alarm.
Accordingly, the utility model also provides a kind of lamp test device, comprises light fixture test circuit as above.
Wherein, also comprise water tank, cooling device, lamp socket, water jacket, test box and control box, described test circuit, described water tank and described cooling device are positioned at described control box, described lamp socket and described water jacket are positioned at described test box, described cooling device is connected with described water tank, and described light fixture to be measured is placed on described lamp socket; Water pump in described test circuit is positioned at described water tank side, and described water pump extracts chilled water in water tank through water jacket, cooling device outside pipeline, light fixture to be measured, and described cooling device carries out after cooling injecting in water tank by pipeline to the chilled water after heating up.
Implement the utility model, there is following beneficial effect:
The duty of controlling main circuit by control circuit is measured the electrical quantity of light fixture to be measured, wherein, main circuit comprises light fixture operating circuit, pump working circuit, fan work circuit, current detection circuit, voltage detecting circuit and light fixture to be measured, and control circuit comprises water pump control circuit, fan control circuitry, temperature sensing circuit and lamp control circuit.Adopt the utility model, have advantages of that circuit structure is simple and dirigibility good.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of a kind of light fixture test circuit of the utility model embodiment;
Fig. 2 is the structural representation of a kind of main circuit in Fig. 1;
Fig. 3 is the structural representation of a kind of control circuit in Fig. 1;
Fig. 4 is the structural representation of a kind of lamp control circuit in Fig. 1;
Fig. 5 is the circuit diagram of a kind of main circuit of the utility model embodiment;
Fig. 6 is the circuit diagram of a kind of control circuit of the utility model embodiment;
Fig. 7 is the structural representation of a kind of lamp test device of the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Referring to Fig. 1, be the structural representation of a kind of light fixture test circuit of the utility model embodiment, in the utility model embodiment, light fixture test circuit 1 comprises isolating switch 10, main circuit 20 and control circuit 30.The input end of isolating switch 10 is connected with AC power, and the output terminal of isolating switch 10 is connected with the input end of main circuit 20 and control circuit 30 respectively, and control circuit 30 is for controlling the duty of main circuit 20.Wherein, the effect of isolating switch is to prevent that the electric leakage such as electrical equipment and circuit from causing accident of human electric shock, can cut off or connect no-load current, the load current of power circuit while normally operation, under accident conditions, cuts off short-circuit current, ensures electric power netting safe running.For convenience of description, the utility model embodiment is taking the alternating current of three-phase four-wire system as example, three-phase four-wire system generally comprises three phase line (A that three phase voltages are provided, B, C line, U, V, W line or L1, L2, L3 line) and the neutral line (zero line, N line), main circuit 20 protective grounds, specific requirement is carried out according to safety standard working specification, so-called protective ground is exactly will be not charged under normal circumstances, and after insulating material damages or the one that is reliably connected with wire and grounding body of electric appliance metal part that may be charged in other situations metal construction part of electro-mechanical part phase-splitting insulation (with) protect the mode of connection.The live wire of the utility model embodiment input end represents with U, V, W respectively, and zero line represents with N, and known, the voltage between any live wire and zero line is 220V, and the voltage between any two live wires is 380V.After isolating switch 10, live wire is expressed as R, S, T, and wherein R represents first-phase, and S represents second-phase, and T represents third phase.
Referring to Fig. 2, it is the structural representation of a kind of main circuit in Fig. 1, in the utility model embodiment, main circuit 20 comprises light fixture operating circuit 21, pump working circuit 22, fan work circuit 23, current detection circuit 24, voltage detecting circuit 25 and light fixture to be measured 26.Any two live wires in the output terminal of the input end of light fixture operating circuit 21 and isolating switch 10 are connected, for example, the input end of light fixture operating circuit 21 connects R line and T line, certainly also can connect R line with S line or be connected S line and T line, and the output terminal of light fixture operating circuit 21 is connected with light fixture 26 to be measured.Voltage detecting circuit 25 is connected in parallel on the two ends of light fixture 26 to be measured; Current detection circuit 24 is connected on a branch road of light fixture operating circuit 21 and light fixture 26 to be measured.The input end of pump working circuit 22 is connected with the output terminal of isolating switch 10, can be that a phase can be also three phase supply, for convenience of description, the utility model embodiment is taking three phase supply as example, be that R, S, T line in the input end of pump working circuit 22 and the output terminal of isolating switch 10 is connected, wherein, water pump requires good earth.The input end of fan work circuit 23 is connected with the output terminal of isolating switch 10, for convenience of description, the utility model embodiment powers as example mutually taking one, for example, R line and zero line N in the output terminal of the input end of fan work circuit 23 and isolating switch 10 are connected, certainly also can connect S line with N line or be connected T line and N line, wherein, exhaust fan requires good earth.
Wherein, light fixture operating circuit 21 is for driving light fixture 26 to be measured to work, light fixture 26 to be measured can distribute a large amount of heats in the course of the work, and pump working circuit 22 and fan work circuit 23 are for lowering the temperature to light fixture 26 to be measured, for the normal work of light fixture 26 to be measured provides precondition.Current detection circuit 24 is for detection of the working current of light fixture 26 to be measured, and voltage detecting circuit 25 is for detection of the operating voltage of light fixture 26 to be measured.
Referring to Fig. 3, be the structural representation of a kind of control circuit in Fig. 1, in the utility model embodiment, control circuit 30 comprises: water pump control circuit 31, fan control circuitry 32, temperature sensing circuit 33 and lamp control circuit 34.The input end of water pump control circuit 31, fan control circuitry 32, temperature sensing circuit 33 and lamp control circuit 34 is connected with same live wire L in the output terminal of isolating switch 10, as be R line or S line or T line, for convenience of description, the utility model embodiment is to connect same R line as example.The output terminal of water pump control circuit 31, fan control circuitry 32, temperature sensing circuit 33 and lamp control circuit 34 is connected with zero line N.
Wherein, water pump control circuit 31 is for detection of the water level in water tank and control the duty of pump working circuit 22, as makes pump working circuit 22 in being switched on or switched off state; In the time that water pump control circuit 31 detects water level in water tank lower than preset height of water level, illustrate chilled water at the water jacket that flows into light fixture 26 to be measured from water tank to occurring return to the process of water tank after cooling device is cooling in leaking or other abnormal conditions, therefore disconnect pump working circuit 22, ensure safety.Fan control circuitry 32 is for controlling the duty of fan work circuit 23, as make fan control circuitry 32 in being switched on or switched off state, conventionally, when water pump control circuit 31 is connected, fan control circuitry 32 is controlled fan work circuit 23 and is worked, and lowers the temperature to light fixture 26 to be measured.Temperature sensing circuit 33 is for detection of the temperature of chilled water in water tank, and when only in water tank, the temperature of chilled water is lower than preset temperature value, lamp control circuit 34 could successfully start.Lamp control circuit 34 is for controlling the duty of light fixture operating circuit 21, as make light fixture operating circuit 21 in being switched on or switched off state, when light fixture operating circuit 21 is connected, light fixture 26 to be measured is worked, and measures respectively operating voltage and the electric current of light fixture 26 to be measured by voltage detecting circuit 25 and current detection circuit 24.
Preferably, control circuit 30 also comprises warning circuit 35, and the input end of warning circuit 35 is the above-mentioned R line of mentioning with described same live wire L() be connected, the output terminal of warning circuit 35 is connected with zero line N.When the temperature that chilled water in water tank detected is during higher than preset temperature value, warning circuit 35 sends sound and/or visual alarm, and the cooling water temperature in prompting user water tank is too high, whether occurs abnormal conditions with the corresponding cooling device of reminding user inspection.
Preferably, lamp control circuit 34 comprises first control circuit 341 and second control circuit 342, the input end of first control circuit 341 and second control circuit 342 is the above-mentioned R line of mentioning with described same live wire L() be connected, the output terminal of first control circuit 341 and second control circuit 342 is connected with zero line N.First control circuit 341 is for controlling the duty of light fixture operating circuit 21, and makes light fixture 26 to be measured in half-power duty; Second control circuit 342 makes light fixture 26 to be measured in full power operation state for controlling light fixture operating circuit 21.For example, for safety, can first control light fixture operating circuit 21 by first control circuit 341 and make light fixture 26 to be measured in half-power duty, make to be with lamp light fixture 26 to be worked by a half-power of the rated power of light fixture 26 to be measured, record the electrical quantity under this state; After work a period of time, make light fixture 26 to be measured in full power operation state by second control circuit 342 co-controlling light fixture operating circuits 21 again, and recording the electrical quantity under this state, described electrical quantity comprises voltage and current and by the secondhand energy of voltage and current.Wherein, first control circuit 341 and second control circuit 342 can switch flexibly, therefore can record the situation of change that light fixture operating circuit 21 switches to full power operation state by half-power duty or switched to electrical quantity under half-power duty by full power operation state simultaneously, thereby indirectly measure the performance of light fixture to be measured, simultaneously, can be suitable for the measurement of the light fixture to be measured of different capacity by first control circuit 341 and second control circuit 342 are set, can set as required in actual applications.
Referring to Fig. 5, be the circuit diagram of a kind of main circuit of the utility model embodiment, in the utility model embodiment, light fixture operating circuit 21 comprises: the main contacts K2 of main contacts K1, starter SEC, stabilizer TR and the second contactor KM2 of the first contactor KM1.
The annexation of above-mentioned device is: the first main contacts K11 of the first contactor KM1 is connected on S line in the output terminal of isolating switch 10 to the branch road of the first input end of stabilizer TR; The second main contacts K12 of the first contactor KM1 is connected on T line in the output terminal of isolating switch 10 to the branch road of the second input end of stabilizer TR; Starter SEC is connected with stabilizer TR; The first output terminal of stabilizer TR is connected with the second output terminal of stabilizer TR by light fixture 26 to be measured; The 3rd output terminal of stabilizer TR is connected by the main contacts K2 of the second contactor KM2 and the first output terminal of stabilizer TR.Wherein, the voltage between the 3rd output terminal and the first output terminal of stabilizer TR is the twice of the voltage between the second output terminal and the first output terminal of stabilizer TR.
Preferably, voltage detecting circuit 25 comprises voltage transformer (VT) TV and voltage table PV, and current detection circuit 24 comprises current transformer TA and reometer PA.The primary side of voltage transformer (VT) TV is connected in parallel on the two ends of light fixture 26 to be measured, and voltage table PV is connected with the out secondary of voltage transformer (VT) TV; The primary side of current transformer TA is connected on the output branch road of light fixture 26 to be measured, and reometer PA is connected with the out secondary of current transformer TA.
Preferably, pump working circuit 22 comprises main contacts K3 and the water pump M of the 3rd contactor KM3, and three live wire R, S, T line in the output terminal of isolating switch 10 are connected with water pump M by three main contactss (K31, K32, K33) of the 3rd contactor K3 respectively.
Preferably, fan work circuit 23 comprises main contacts K4 and the exhaust fan FM of the 4th contactor KM4, and the wherein live wire R line in the output terminal of isolating switch 10 passes through to be connected with zero line N after the first main contacts K41, the exhaust fan FM of the 4th contactor KM4 and the second main contacts K42 of the 4th contactor KM4.
Referring to Fig. 6, it is the circuit diagram of a kind of control circuit of the utility model embodiment, in the utility model embodiment, water pump control circuit 31 comprises level switch SY, the first starting switch SB1, the line bag XB3 of the 3rd contactor KM3, the line bag XB5 of the self-holding contact K34 of the 3rd contactor KM3 and the first relay K A1, live wire L(R, S or T line, for convenience of description, the utility model embodiment is taking R line as example) by level switch SY, after the line bag XB3 of the first starting switch SB1 and the 3rd contactor KM3, be connected with zero line N, the self-holding contact K34 of the 3rd contactor KM3 is connected in parallel on the two ends of the first starting switch SB1, the line bag XB5 of the first relay K A1 is connected in parallel on the two ends of the line bag XB3 of the 3rd contactor KM3.
If detect, water level in water tank is higher than preset liquid level, level switch SY closure; In the time pressing the first starting switch SB1, electric current is through the line bag XB3 of the 3rd contactor KM3 and the line bag XB5 of the first relay K A1, the 3rd contactor KM3 and the first relay K A1 start, therefore main contacts K3(K31, K32 and the K33 in the 3rd contactor KM3) become normally closed from often opening, pump working circuit 22 is connected, and water pump M starts working; Simultaneously, because the self-holding contact K34 of the 3rd contactor KM3 is in parallel with the first starting switch SB1, therefore in the time that the first starting switch SB1 is pressed, the self-holding contact K34 of the 3rd contactor KM3 becomes normally closed from often opening, in the time unclamping the first starting switch SB1, because the self-holding contact K34 of the 3rd contactor KM3 connects, even if unclamp the first starting switch SB1, water pump control circuit 31 is still in on-state.
If detect, water level in water tank is lower than preset liquid level, level switch SY disconnects, now in the time pressing the first starting switch SB1, cannot start pump working circuit 22, the first relay K A1 also cannot connect, and therefore in this case, any operation all cannot be worked and be started whole circuit, can point out user to check the device such as water tank, pipeline, ensure safety.
Therefore, the course of work introduction of following control circuit all the water level based in water tank launch higher than the prerequisite of preset liquid level.
Preferably, fan control circuitry 32 comprises the first normally opened contact K51 of the first relay K A1 and the line bag XB4 of the 4th contactor KM4, and live wire R is connected with zero line N after crossing the first normally opened contact K51 of the first relay K A1 and the line bag XB4 of the 4th contactor KM4.
In the time that the first starting switch SB1 is pressed, because the first relay K A1 connects, the first normally opened contact K51 of the first relay K A1 becomes normally closed from often opening, therefore the line bag XB4 of the 4th contactor KM4 has electric current to pass through, main contacts K4(K41 and the K42 of the 4th contactor KM4) become normally closed from often opening, fan work circuit 23 is connected, and starts exhaust fan FM work.
Preferably, temperature sensing circuit 33 comprises the second normally opened contact K52 of the first relay K A1 and the line bag XB6 of temperature switch SW, and live wire R passes through to be connected with zero line N after the second normally opened contact K52 of the first relay K A1 and the line bag XB6 of temperature switch SW.
In the time that the first starting switch SB1 is pressed, because the first relay K A1 connects, therefore the second normally opened contact K52 of the first relay K A1 becomes normally closed from often opening, therefore the line bag XB6 of temperature switch SW has electric current to pass through, temperature switch SW starts working, and detects the temperature of chilled water in water tank, when the temperature value of chilled water in water tank is during lower than preset temperature value, the normally closed contact of temperature switch SW is in closure state, and the normally opened contact of temperature switch SW is in off-state; When the temperature of chilled water in water tank is during higher than preset temperature value, the normally closed contact of temperature switch SW is in off-state, and the normally opened contact of temperature switch SW is in closure state.
Preferably, first control circuit 341 comprises the first shutdown switch SB4, the normally closed contact K61 of temperature switch SW, the 3rd normally opened contact K53 of the first relay K A1, the second starting switch SB2, the line bag XB1 of the first contactor KM1, the line bag XB7 of the self-holding contact KM13 of the first contactor KM1 and starter SEC, live wire R is by the first shutdown switch SB4, the normally closed contact K61 of temperature switch SW, the 3rd normally opened contact K53 of the first relay K A1, after the line bag XB1 of the second starting switch SB2 and the first contactor KM1, be connected with zero line N, the self-holding contact K13 of the first contactor KM1 is connected in parallel on the two ends of the second starting switch SB2, the line bag XB7 of starter SEC is connected in parallel on the two ends of the line bag XB1 of the first contactor KM1.Wherein, the default conditions of the first shutdown switch SB4 are closure state, in the time that the first shutdown switch SB4 is pressed, in off-state.The default conditions of the self-holding contact K13 of the first contactor KM1 are off-state, and in the time that the first contactor KM1 connects, self-holding contact K13 is in closure state.
When the temperature value of chilled water in water tank is during lower than preset temperature value, the normally closed contact K61 of temperature switch SW is closure state.In the time that the first starting switch SB1 is pressed, the first relay K A1 and temperature switch SW connect, and therefore the 3rd normally opened contact K53 of the first relay K A1 becomes normally closed from often opening.Therefore in the time that the second starting switch SB2 is pressed, electric current is through the first shutdown switch SB4, the normally closed contact K61 of temperature switch SW, after the 3rd normally opened contact K53 of the first relay K A1 and the second starting switch SB2, flow into the line bag XB1 of the first contactor KM1 and the line bag XB7 of starter SEC, the first contactor KM1 and starter SEC connect, main contacts K1(K11 and the K12 of the first contactor KM1) become normally closed from often opening, connect light fixture operating circuit 21, wherein starter SEC provides very high voltage when starting to light fixture operating circuit 21, drive light fixture 26 to be measured to work, when after the normal work of light fixture 26 to be measured, starter SEC deactivates.Voltage between the second output terminal and the first output terminal of stabilizer TR is the half of the rated voltage of light fixture 26 to be measured, makes light fixture 26 to be measured in half-power duty.Simultaneously, because the self-holding contact K13 of the first contactor KM1 is connected in parallel on the two ends of the second starting switch SB2, when the first contactor KM1 connects, the self-holding contact K13 of the first contactor KM1 becomes normally closed from often opening, therefore, in the time unclamping the second starting switch SB2, lamp control circuit 341 still can be controlled light fixture operating circuit 21 in on-state.
When the temperature value of chilled water in water tank is during higher than preset temperature value, the normally closed contact K61 of temperature switch SW is off-state, and any operation all cannot start first control circuit 341, therefore plays the effect of protection light fixture test circuit.
Preferably, second control circuit 342 comprises the auxiliary normally opened contact K14 of the first contactor KM1, the 3rd starting switch SB3 with auto-lock function and the line bag XB2 of the second contactor KM2, and live wire R is connected with zero line N after by auxiliary normally opened contact K14, the 3rd starting switch SB3 of the first contactor KM1 and the line bag XB2 of the second contactor KM2.
Under the prerequisite that second control circuit 342 is worked at first control circuit 341, work, when first control circuit 341 is connected, the auxiliary normally opened contact K14 of the first contactor KM1 becomes normally closed from often opening.In the time that the 3rd starting switch SB3 is pressed, electric current flows into the line bag XB2 of the second contactor KM2, and therefore the main contacts K2 of the second contactor KM2 becomes normally closed from often opening, and stabilizer TR exports full voltage, makes light fixture to be measured in full power operation state.In the time unclamping the 3rd starting switch SB3, second control circuit 342 is still in on-state, because the 3rd starting switch SB3 band auto-lock function.In the time that light fixture test circuit 1 need to be converted to half-power duty from full power operation state, again press the 3rd starting switch SB3.
Preferably, warning circuit 35 comprises the normally opened contact K62 of temperature switch SW, the 4th normally opened contact K54 and the hummer SP of the first relay K A1`, the 4th normally opened contact K54 of normally opened contact K62, the first relay K A1 of live wire R by temperature switch SW with after hummer SP, be connected with zero line N.
When the temperature value of chilled water in water tank is during higher than preset temperature value, the normally opened contact K62 of temperature switch SW is closure state, connect warning circuit 35, by the hummer audible ringing signal of dispatching a car, cooling water temperature in prompting user water tank is too high, whether occurs abnormal conditions with the corresponding cooling device of reminding user inspection.
Preferably, control circuit 30 also comprises fuse FU and emergency stop switch SB5, and live wire R is connected to the input end of control circuit 30 after by series connection fuse FU and emergency stop switch SB5.Wherein, fuse FU plays short-circuit protection, and emergency stop switch SB5 default conditions are closure state, and in the time that emergency stop switch SB5 is pressed, emergency stop switch SB5 disconnects, and can be used for disconnecting the emergency condition breaking down, and shields.
Referring to Fig. 7, be the structural representation of a kind of lamp test device of the utility model embodiment, in the utility model embodiment, lamp test device 8 comprises light fixture test circuit 1.
Preferably, lamp test device 8 also comprises water tank 2, cooling device 3, lamp socket 4, water jacket 5, test box 6 and control box 7, water tank 2 and cooling device 3 are positioned at control box 7, lamp socket 4 and water jacket 5 are positioned at test box 6, light fixture test circuit 1 is positioned at control box 7, wherein, the exhaust fan in light fixture test circuit 1 and test light fixture are positioned at test box 6.Cooling device 3 is connected with water tank 2, and the water pump M in light fixture test circuit 1 is positioned at water tank 2 sides; Light fixture 26 to be measured is placed on lamp socket 4; The chilled water that water pump M extracts in water tank 2 flows into cooling device 3 after the water jacket 5 outside pipeline, light fixture to be measured 26, and cooling device 3 carries out after cooling injecting in water tank 2 by pipeline to the chilled water after heating up.By water pump M and cooling device 3, the water circulation in water tank 2 is taken away to light fixture 26 to be measured heat around, reduce the temperature of light fixture 26 to be measured, provide smoothly necessary condition for test job.
The duty of controlling main circuit by control circuit is measured the electrical quantity of light fixture to be measured, described electrical quantity comprises voltage and current, wherein, main circuit comprises light fixture operating circuit, pump working circuit, fan work circuit, current detection circuit, voltage detecting circuit and light fixture to be measured, and control circuit comprises water pump control circuit, fan control circuitry, temperature sensing circuit and lamp control circuit.Adopt the utility model, have advantages of that circuit structure is simple, safety coefficient is high and dirigibility is good.
Above disclosed is only preferred embodiment of the present utility model, certainly can not limit with this interest field of the utility model, one of ordinary skill in the art will appreciate that all or part of flow process that realizes above-described embodiment, and the equivalent variations of doing according to the utility model claim, still belong to the scope that utility model contains.
Claims (10)
1. a light fixture test circuit, it is characterized in that, comprise isolating switch, main circuit and control circuit, the input end of described isolating switch is connected with AC power, the output terminal of described isolating switch is connected with the input end of described main circuit and described control circuit respectively, described control circuit is for controlling the duty of described main circuit, wherein
Described main circuit comprises: light fixture operating circuit, pump working circuit, fan work circuit, current detection circuit, voltage detecting circuit and light fixture to be measured; The input end of described light fixture operating circuit is connected with any two live wires in the output terminal of described isolating switch, and the output terminal of described light fixture operating circuit is connected with described light fixture to be measured; Described voltage detecting circuit is connected in parallel on the two ends of described light fixture to be measured; Described current detection circuit is connected on a branch road of described light fixture operating circuit and described light fixture to be measured; The input end of described pump working circuit is connected with the output terminal of described isolating switch; The input end of described fan work circuit is connected with the input end of described isolating switch;
Described light fixture operating circuit is used for driving described light fixture work to be measured, described pump working circuit and described fan work circuit are for lowering the temperature to described light fixture to be measured, described current detection circuit is for detection of the working current of described light fixture to be measured, and described voltage detecting circuit is for detection of the operating voltage of described light fixture to be measured;
Described control circuit comprises: fuse, emergency stop switch, water pump control circuit, fan control circuitry, temperature sensing circuit and lamp control circuit; A wherein live wire L in the output terminal of described isolating switch is connected to the input end of described water pump control circuit, described fan control circuitry, described temperature sensing circuit and described lamp control circuit after by described fuse and described emergency stop switch, and the output terminal of described water pump control circuit, described fan control circuitry, described temperature sensing circuit and described lamp control circuit is connected with zero line N;
Described water pump control circuit is for detection of the water level in water tank and control the duty of described pump working circuit, described fan control circuitry is for controlling the duty of described fan work circuit, described temperature sensing circuit is for detection of the temperature of chilled water in water tank, and described lamp control circuit is for controlling the duty of described light fixture operating circuit.
2. test circuit as claimed in claim 1, it is characterized in that, described light fixture operating circuit comprises: the main contacts of main contacts, starter, stabilizer and second contactor of the first contactor, and the first main contacts of described the first contactor is connected on any live wire in the output terminal of described isolating switch to the branch road of the first input end of described stabilizer; The second main contacts of described the first contactor is connected on another root live wire in the output terminal of described isolating switch to the branch road of the second input end of described stabilizer; Described starter is connected with described stabilizer; The first output terminal of described stabilizer is connected with the second output terminal of described stabilizer by described light fixture to be measured; The 3rd output terminal of described stabilizer is connected by the main contacts of described the second contactor and the first output terminal of described stabilizer.
3. test circuit as claimed in claim 2, is characterized in that, described voltage detecting circuit comprises voltage transformer (VT) and voltage table, and described current detection circuit comprises current transformer and reometer; The primary side of described voltage transformer (VT) is connected in parallel on the two ends of described light fixture to be measured, and described voltage table is connected with the out secondary of described voltage transformer (VT); The primary side of described current transformer is connected on inputing or outputing on branch road of described light fixture to be measured, and described reometer is connected with the out secondary of described current transformer.
4. test circuit as claimed in claim 3, it is characterized in that, described pump working circuit comprises main contacts and the water pump of the 3rd contactor, and three live wires in the output terminal of described isolating switch are connected with described water pump by three main contactss of described the 3rd contactor respectively; Described fan work circuit comprises main contacts and the exhaust fan of the 4th contactor, after second main contacts of the wherein live wire in the output terminal of described isolating switch by the first main contacts, described exhaust fan and described the 4th contactor of described the 4th contactor, is connected with zero line.
5. test circuit as claimed in claim 4, it is characterized in that, described water pump control circuit comprises level switch, the first starting switch, the line bag of described the 3rd contactor, the self-holding contact of described the 3rd contactor and the line bag of the first relay, described live wire L is connected with zero line by after the line bag of described level switch, described the first starting switch and described the 3rd contactor, the self-holding contact of described the 3rd contactor is connected in parallel on the two ends of described the first starting switch, and the line bag of described the first relay is connected in parallel on the two ends of the line bag of described the 3rd contactor; Described fan control circuitry comprises the first normally opened contact of described the first relay and the line bag of described the 4th contactor, and described live wire L passes through to be connected with zero line after the first normally opened contact of described the first relay and the line bag of described the 4th contactor.
6. test circuit as claimed in claim 5, it is characterized in that, described temperature sensing circuit comprises the second normally opened contact of described the first relay and the line bag of temperature switch, and described live wire L passes through to be connected with zero line after the second normally opened contact of described the first relay and the line bag of described temperature switch.
7. test circuit as claimed in claim 6, is characterized in that, described lamp control circuit comprises first control circuit and second control circuit, wherein,
Described first control circuit comprises the 3rd normally opened contact, the second starting switch, the line bag of described the first contactor and the self-holding contact of described the first contactor of the normally closed contact of the first shutdown switch, described temperature switch, described the first relay, after the line bag of described live wire L by described the first shutdown switch, the normally closed contact of described temperature switch, the 3rd normally opened contact of described the first relay, described the second starting switch and described the first contactor, be connected with zero line, the self-holding contact of described the first contactor is connected in parallel on the two ends of described the second starting switch;
Described second control circuit comprises the auxiliary normally opened contact of described the first contactor, the 3rd starting switch with auto-lock function and the line bag of described the second contactor, after the line bag of described live wire L by auxiliary normally opened contact, described the 3rd starting switch and described second contactor of described the first contactor, is connected with zero line;
Described first control circuit is for controlling the duty of described light fixture operating circuit, and making described light fixture to be measured in half-power duty, described second control circuit is used for controlling described light fixture operating circuit makes described light fixture to be measured in full power operation state.
8. test circuit as claimed in claim 7, it is characterized in that, also comprise warning circuit, described warning circuit comprises the 4th normally opened contact and hummer of the normally opened contact of described temperature switch, described the first relay, and described live wire L is connected with zero line with after described hummer by the normally opened contact of described temperature switch, the 4th normally opened contact of described the first relay;
When the temperature that chilled water in water tank detected is during higher than preset temperature value, described warning circuit sends sound and/or visual alarm.
9. a lamp test device, is characterized in that, comprises the test circuit as described in claim 1-8 any one.
10. proving installation as claimed in claim 9, it is characterized in that, also comprise water tank, cooling device, lamp socket, water jacket, test box and control box, described test circuit, described water tank and described cooling device are positioned at described control box, described lamp socket and described water jacket are positioned at described test box, described cooling device is connected with described water tank, and described light fixture to be measured is placed on described lamp socket; Water pump in described test circuit is positioned at described water tank side, and described water pump extracts chilled water in water tank through water jacket, cooling device outside pipeline, light fixture to be measured, and described cooling device carries out after cooling injecting in water tank by pipeline to the chilled water after heating up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320884518.7U CN203745620U (en) | 2013-12-30 | 2013-12-30 | Lamp testing circuit and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320884518.7U CN203745620U (en) | 2013-12-30 | 2013-12-30 | Lamp testing circuit and device |
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| Publication Number | Publication Date |
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| CN203745620U true CN203745620U (en) | 2014-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320884518.7U Expired - Fee Related CN203745620U (en) | 2013-12-30 | 2013-12-30 | Lamp testing circuit and device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104198960A (en) * | 2014-09-25 | 2014-12-10 | 聊城市科特祥瑞新能源有限公司 | LED lamp ageing inspection device |
| CN104391258A (en) * | 2014-11-12 | 2015-03-04 | 青岛龙泰天翔通信科技有限公司 | Energy-saving lamp working condition and detection method |
| CN107918104A (en) * | 2017-11-15 | 2018-04-17 | 江苏新广联光电股份有限公司 | The efficient test device and test method of outdoor brightening lamps and lanterns |
| CN109470457A (en) * | 2018-11-13 | 2019-03-15 | 重庆长安工业(集团)有限责任公司 | It is a kind of special type car light monitoring and prior-warning device |
| CN113232694A (en) * | 2021-06-02 | 2021-08-10 | 中车青岛四方机车车辆股份有限公司 | Three-phase motor power supply system |
-
2013
- 2013-12-30 CN CN201320884518.7U patent/CN203745620U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104198960A (en) * | 2014-09-25 | 2014-12-10 | 聊城市科特祥瑞新能源有限公司 | LED lamp ageing inspection device |
| CN104391258A (en) * | 2014-11-12 | 2015-03-04 | 青岛龙泰天翔通信科技有限公司 | Energy-saving lamp working condition and detection method |
| CN107918104A (en) * | 2017-11-15 | 2018-04-17 | 江苏新广联光电股份有限公司 | The efficient test device and test method of outdoor brightening lamps and lanterns |
| CN109470457A (en) * | 2018-11-13 | 2019-03-15 | 重庆长安工业(集团)有限责任公司 | It is a kind of special type car light monitoring and prior-warning device |
| CN113232694A (en) * | 2021-06-02 | 2021-08-10 | 中车青岛四方机车车辆股份有限公司 | Three-phase motor power supply system |
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Owner name: SHENZHEN CAIZ OPTRONICS CORP. Free format text: FORMER NAME: SHENZHEN CAIZ PHOTOELECTRIC TECHNOLOGY CO., LTD. |
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Address after: 518000 Guangdong, Shenzhen, Xixiang Xingye Road, No. 3012 veterans building, west block, floor, building, No. two, No. Patentee after: CAIZ OPTRONICS Corp. Patentee after: CAIZ TOPSHINE LTD. Address before: 1, 518000, 2 and 3 room (office space), 12 floor, COFCO real estate group, 3 District, Shenzhen, Guangdong, Baoan District Patentee before: SHENZHEN CAIZ OPTRONICS LTD. Patentee before: CAIZ TOPSHINE LTD. |
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Effective date of registration: 20200429 Address after: 514000 Meizhou City, Meijiang Province, north of the city of Guangdong in the north of the city of five kiosks Patentee after: CAIZ TOPSHINE Ltd. Address before: 518000, Shenzhen, Guangdong, Baoan District province Xixiang Industrial Road, No. 3012, West building, veterans building, two floor Co-patentee before: CAIZ TOPSHINE Ltd. Patentee before: CAIZ OPTRONICS Corp. |
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Granted publication date: 20140730 |