CN102055450A - Fictitious load for electronic ballast of gas discharge lamp and implementation method thereof - Google Patents
Fictitious load for electronic ballast of gas discharge lamp and implementation method thereof Download PDFInfo
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- CN102055450A CN102055450A CN2009102218024A CN200910221802A CN102055450A CN 102055450 A CN102055450 A CN 102055450A CN 2009102218024 A CN2009102218024 A CN 2009102218024A CN 200910221802 A CN200910221802 A CN 200910221802A CN 102055450 A CN102055450 A CN 102055450A
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Abstract
The invention provides a fictitious load for an electronic ballast of a gas discharge lamp and an implementation method thereof, belonging to the field of electronic circuits and relating to a load circuit for regulating a ballast and an implementation method thereof. The fictitious load comprises a resistor R, a parallel arrangement and time control modules. The implementation method of the fictitious load comprises the following steps: the time control module in each time delay switch is used to set a corresponding time delay disconnection time for each time delay switch; the time delay switches and resistive elements are connected to form the parallel arrangement, wherein the time delay switches are normally closed switches; a circuit power supply is switched on, and each time delay switch is in a closed state; the time delay switches are gradually disconnected according to the disconnection time set by the time control module in each time delay switch until each time delay switch is in an open state, and at the same time time, the resistance of the ballast load resistor R is fixed, the output power is a constant, and the power of the ballast can be regulated to a desired value. The fictitious load for the ballast ensures the production quality of the ballast and greatly improves the production efficiency of the ballast.
Description
Technical field
The invention belongs to field of electronic circuitry, relate to a kind of load circuit and its implementation of ballast being carried out adjustment.
Background technology
According to statistics, electric consumption on lighting has accounted for and has produced 1/4 of total electric weight in the world in the world, as only changing energy-conservation gaseous discharge lamp into 5,000,000,000 in used 20,000,000,000 incandescent lamps, just can save the electric energy of 200GW, thereby build tens power stations less.The U.S., Japan, successively passing through or propose to be correlated with to make laws in developed country and areas such as Taiwan, sets time bar and step that incandescent lamp withdraws from the consumption market, and incandescent lamp is progressively substituted.
For gaseous discharge lamp, its ballast has two kinds of inductance type and electronic types.Inductive ballast is in the process of using, exist to use that power frequency is lit a lamp, stroboscopic effect, power factor are low, consume many, heavier or the like the shortcomings of metal material, and electric ballast energy-conservation, eliminated stroboscopic and make luminous more stable, help improving vision addressability and effect, light a lamp and trigger high or the like the significantly advantage of more reliable, power factor, make electric ballast more universal.
Present stage, in the production process of electronic ballast of high intensity gas discharge lamp, there is the adjusting power link in most production firms.In this link, the production commercial city of electric ballast adopts high-intensity gas discharge lamp as the load adjusting power.Because the power stability time of high-intensity gas discharge lamp is long, thermolamp can not start immediately, causes production efficiency low, is seriously restricting the streamline production of scale.
The invention provides a kind of dummy load, regulate the load of power as ballast production.Dummy load can be good at simulating the startup of high-intensity gas discharge lamp and the characteristic of steady operation, when guaranteeing to produce the ballast quality, has improved the production efficiency of ballast greatly, and this will make huge contribution for the production of ballast.
Summary of the invention
The purpose of this invention is to provide a kind of electronic amperite of gas-discharge lamp dummy load and its implementation, in order to the load circuit structure and its implementation of in a kind of process that can be implemented in ballast production power output being carried out adjustment to be provided.
A kind of electronic amperite of gas-discharge lamp dummy load is used for ballast output power to be calibrated is calibrated, and it is characterized in that this system also includes:
Resistance R, it is the electric resistance structure that is connected in parallel with following shunting means;
Shunting means, the circuit structure that it is connected in series and is formed by resistance element and delay switch;
Time control module, it is arranged in the above-mentioned delay switch, is used to control the modular structure of delay switch operating state.
Further, described electronic amperite of gas-discharge lamp dummy load also has following technical characterictic:
Described electronic amperite of gas-discharge lamp dummy load, it can comprise a plurality of shunting means, and is connected in parallel with resistance R.
The resistance element of described shunting means is the resistive device of positive temperature coefficient, and the typical case elects incandescent lamp as.
Described delay switch is a normally closed switch, is chosen as the time relay, between its control end, is connected in parallel.
Described resistance R, it is that temperature is floated very little resistance, in use the typical change scope of its resistance is ± 1%.
A kind of implementation method of electronic amperite of gas-discharge lamp dummy load is characterized in that, this method comprises the steps:
Step 1 by the time control module in the delay switch, is set the time-delay opening time of delay switch correspondence;
Step 2, delay switch and resistance element are formed shunting means, and delay switch is a normally closed switch, opens circuit power, and all delay switchs are in closure state;
Step 3, delay switch is according to disconnecting one by one the opening time that its inner time control module sets;
Step 4, all delay switchs all are in off-state, and this moment, ballast load resistance R resistance was fixed, and power output is a definite value, and the adjusting ballast power is a required value.
Further, the implementation method of described electronic amperite of gas-discharge lamp dummy load also has following technical characterictic:
Described electronic amperite of gas-discharge lamp dummy load is provided with one or more shunting means, and each shunting means is composed in series by resistance element and delay switch.
Described resistance R, it is that temperature is floated very little resistance, and in use the typical change scope of its resistance is ± 1%, and its resistance size is to determine according to ballast rated power size.
In the time control module described in the step 1, for one of them delay switch is set the minimum time delayed turn-off time, the turn-off time that other delay switch is set is inequality, and the typical time interval between each is more than 2 seconds.
All delay switchs are chosen as the time relay, between its control end, are connected in parallel.
The invention has the advantages that:
This electronic amperite of gas-discharge lamp dummy load of the present invention is not subjected to the influence of high-intensity gas discharge lamp characteristic, can realize the adjusting of ballast output power fast, accelerates large-scale production.And when well having simulated the startup of high-intensity gas discharge lamp and the characteristic of steady operation, this process does not have phenomenons such as high pressure, overcurrent, power output overshoot, can the performance and the life-span of ballast not impacted.When regulating power, ballast has only connected the resistance that low temperature floats, and the output voltage of ballast and output current can both be well and pipe pressure and the currents match of high-intensity gas discharge lamp during as load.When adopting actual high-intensity gas discharge lamp as the adjusting power termination, the high-intensity gas discharge lamp frequent operation reduces the useful life of high-intensity gas discharge lamp, high-intensity gas discharge lamp loss height at starting state.Adopt dummy load to reduce energy consumption and production costs, and its long service life.When adopting high-intensity gas discharge lamp to regulate power, cause light pollution, operating personnel's eyes are caused certain damage.Use dummy load, do not have dazzling light, operating personnel are not damaged.
Description of drawings
Fig. 1 is typical high-intensity gas discharge lamp tube voltage-temporal characteristics figure.
Fig. 2 is typical high-intensity gas discharge lamp power-temporal characteristics figure.
Fig. 3 is the circuit state figure of a kind of electronic amperite of gas-discharge lamp dummy load of the present invention when just having started working.
Fig. 4 is the circuit state figure in a kind of electronic amperite of gas-discharge lamp dummy load course of work of the present invention.
Fig. 5 is the circuit state figure after a kind of electronic amperite of gas-discharge lamp dummy load work of the present invention.
Fig. 6 is the circuit state figure that a kind of electronic amperite of gas-discharge lamp dummy load of the present invention reenters another duty cycle.
Fig. 7 is the implementation method flow chart of a kind of electronic amperite of gas-discharge lamp dummy load of the present invention.
Fig. 8 is a kind of embodiment circuit diagram of a kind of electronic amperite of gas-discharge lamp dummy load of the present invention.
Embodiment
Below with reference to accompanying drawing,, the present invention is done more detailed introduction in conjunction with specific embodiment:
Fig. 1,2 explanation:
Shown in ginseng Fig. 1,2, the performance diagram of having showed the voltage-time and the power-time of typical high-intensity gas discharge lamp pipe, after as can be seen from the figure high-intensity gas discharge lamp is lighted, voltage tends towards stability gradually, power slowly rises, after spending 2 to 5 minutes, the high-intensity gas discharge lamp working stability.In high-intensity gas discharge lamp when work,, light-source temperature is very high, reaches hundreds of degrees centigrade, and after lamp work a period of time closed, the temperature of light source needed the long time to cool off, during this period in, lamp can not normally start.The high-intensity gas discharge lamp light source of equal specification if the power of input is inconsistent, may cause the aberration phenomenon.So in production link, will carry out the power adjustment, guarantee the consistency of ballast output power to the high-intensity gas discharge lamp ballast that dispatches from the factory.
The explanation of Fig. 3:
Join shown in Figure 3ly, showed the circuit state figure when a kind of electronic amperite of gas-discharge lamp dummy load 100 of the present invention has just been started working.Introduce the primary structure of this dummy load 100 earlier: shunting means 120, it is made up of resistance element 121 and delay switch 122, and this electronic amperite of gas-discharge lamp dummy load 100 includes a plurality of shunting means 120; Resistance element 121 is the resistance of positive temperature coefficient; Delay switch K1, K2......Kn are normally closed, and the typical case elects the time relay as; Resistance R, it is the electric resistance structure that is in parallel with shunting means 120, and its temperature is floated very little, and in use the typical change scope of its resistance is ± 1%, and system 100 is to determine according to the power output of ballast 130 to the requirement of its resistance; In addition, also be provided with the power meter 110 that is used for measuring ballast 130 power.
When electronic amperite of gas-discharge lamp dummy load 100 is started working, all delay switch K1, K2......Kn are in closure state, resistance element R1, R2......Rn parallel connection at this moment, increase along with conduction time, temperature will raise, and resistance element resistance increases, and simulate the characteristic that high-intensity gas discharge lamp starts, allow ballast 130 think that its load is exactly a high-intensity gas discharge lamp, the ballast operate as normal.
The explanation of Fig. 4:
Join shown in Figure 4ly, showed the circuit state figure in a kind of electronic amperite of gas-discharge lamp dummy load 100 courses of work of the present invention.In the process of electronic amperite of gas-discharge lamp dummy load 100 work, the turn-off time that delay switch K1, K2......Kn will set according to its inner time control module, disconnect one by one; Time control module, for one of them delay switch K1 sets the minimum time delayed turn-off time, the turn-off time that other delay switch K2, K3......Kn set is inequality, and the typical time interval between each is more than 2 seconds.
The explanation of Fig. 5:
Join shown in Figure 5ly, showed the circuit state figure after a kind of electronic amperite of gas-discharge lamp dummy load of the present invention 100 work.Electronic amperite of gas-discharge lamp dummy load 100 is behind what a ballast of calibration, delay switch K1, K2......Kn are in whole off-states, this moment, the load resistance of ballast 130 had only resistance R, this resistance R is in the process of using, the typical change scope of its resistance is ± 1%, so when all delay switch K1, K2......Kn are in off-state, the load of ballast 130 has only resistance R, its resistance is highly stable again, so the time by power meter 110, regulating the power output of ballast 130, is very accurately.
The explanation of Fig. 6:
Join shown in Figure 6ly, showed that a kind of electronic amperite of gas-discharge lamp dummy load 100 of the present invention reenters the circuit state figure of another duty cycle.After ballast 130 calibrations are good, recover all delay switchs 122 and be closure state, so that enter next ballast 130 calibration flow processs.
The explanation of Fig. 7:
Join shown in Figure 7ly, showed the implementation method flow chart of a kind of electronic amperite of gas-discharge lamp dummy load 100 of the present invention.
A kind of implementation method of electronic amperite of gas-discharge lamp dummy load 100 is characterized in that, this method comprises the steps:
Step 1 is connected to ballast 130 to be calibrated in this electronic amperite of gas-discharge lamp dummy load 100, by the time control module in the delay switch 122, sets the time-delay opening time of delay switch 122 correspondences;
Step 2, delay switch 122 is formed shunting means 120 with resistance element 121, and delay switch 122 is a normally closed switch, opens circuit power, and all delay switchs 122 are in closure state;
Step 3, delay switch 122 is according to disconnecting one by one the opening time that its inner time control module sets;
Step 4, all delay switchs 122 all are in off-state, and this moment, ballast 130 load resistance R resistances were fixed, power output is a definite value, regulating ballast 130 power is required value, takes off the good ballast of adjustment 130, enters the adjustment process of next ballast 130.
Further, the implementation method of described a kind of electronic amperite of gas-discharge lamp dummy load 100 also includes following technical characterictic:
Described electronic amperite of gas-discharge lamp dummy load 100 is provided with one or more shunting means 120, and each shunting means 120 is composed in series by resistance element 121 and delay switch 122.
Described resistance R, it is that temperature is floated very little resistance, and in use the typical change scope of its resistance is ± 1%, and its size is to determine according to ballast 130 power outputs size.
In the time control module described in the step 1, set the minimum time delayed turn-off time for one of them delay switch 122, the turn-off time that other delay switch 122 is set is inequality, and the typical time interval between each is more than 2 seconds.
All delay switchs 122 are chosen as the time relay, between its control end, are connected in parallel.
The explanation of Fig. 8:
Join shown in Figure 8ly, showed and resistance element 121 has been elected as a kind of embodiment circuit diagram of incandescent lamp in a kind of electronic amperite of gas-discharge lamp dummy load 100 of the present invention.High-intensity gas discharge lamp electronic amperite of gas-discharge lamp dummy load 100 for 70W can be designed to: resistance R, and electing a rated power as is 100 ohm the big resistance of 500W; Resistance element 121 uses the resistance of the incandescent lamp of 200W as positive temperature coefficient; Delay switch 122 is elected the time relay as; Adopt two groups of 200W incandescent lamps and two time relays, the turn-off time of setting one of them time relay K1 is 5 seconds, and the turn-off time of setting another time relay K2 is 8 seconds.During use, the output of ballast 130 is connected with the resistance R two ends, the control end parallel connection of two time relays, power simultaneously with the input of ballast 130, on power meter 110, can observe, the power output of ballast 130 slowly rises to about 70W from 20W, and power output is basicly stable in the 5S, and this moment, a time relay K1 turn-offed; Behind 3S, another time relay K2 turn-offs, and this moment, ballast 130 had only one 100 ohm resistance R as load, and the power of output is highly stable, and this moment, scalable ballast 130 power output was 70W.
More than be the description of this invention and non-limiting, based on other execution mode of inventive concept, all among protection scope of the present invention.
Claims (10)
1. electronic amperite of gas-discharge lamp dummy load is used for ballast output power to be calibrated is calibrated, and it is characterized in that this system also includes:
Resistance R, it is the electric resistance structure that is connected in parallel with following shunting means;
Shunting means, the circuit structure that it is connected in series and is formed by resistance element and delay switch;
Time control module, it is arranged in the above-mentioned delay switch, is used to control the modular structure of delay switch operating state.
2. a kind of electronic amperite of gas-discharge lamp dummy load according to claim 1 is characterized in that: described ballast calibration system, it can comprise a plurality of shunting means, and is connected in parallel with resistance R.
3. a kind of electronic amperite of gas-discharge lamp dummy load according to claim 1 is characterized in that: the resistance element of described shunting means, be the resistive device of positive temperature coefficient, and the typical case elects incandescent lamp as.
4. a kind of electronic amperite of gas-discharge lamp dummy load according to claim 1 is characterized in that: described delay switch is a normally closed switch, is chosen as the time relay, between its control end, is connected in parallel.
5. a kind of electronic amperite of gas-discharge lamp dummy load according to claim 1 is characterized in that: described resistance R, and it is that temperature is floated very little resistance, in use the typical change scope of its resistance is ± 1%.
6. the implementation method of an electronic amperite of gas-discharge lamp dummy load is characterized in that, this method comprises the steps:
Step 1 by the time control module in the delay switch, is set the time-delay opening time of delay switch correspondence;
Step 2, delay switch and resistance element are formed shunting means, and delay switch is a normally closed switch, opens circuit power, and all delay switchs are in closure state;
Step 3, delay switch is according to disconnecting one by one the opening time that its inner time control module sets;
Step 4, all delay switchs all are in off-state, and this moment, ballast load resistance R resistance was fixed, and power output is a definite value, and the adjusting ballast power is a required value.
7. the implementation method of a kind of electronic amperite of gas-discharge lamp dummy load according to claim 6, it is characterized in that: described ballast calibration system is provided with one or more shunting means, and each shunting means is composed in series by resistance element and delay switch.
8. the implementation method of a kind of electronic amperite of gas-discharge lamp dummy load according to claim 6, it is characterized in that: described resistance R, it is that temperature is floated very little resistance, in use the typical change scope of its resistance is ± 1%, and its resistance size is to determine according to ballast rated power size.
9. the implementation method of a kind of electronic amperite of gas-discharge lamp dummy load according to claim 6, it is characterized in that: in the time control module described in the step 1, for one of them delay switch is set the minimum time delayed turn-off time, the turn-off time that other delay switch is set is inequality, and the typical time interval between each is more than 2 seconds.
10. the implementation method of a kind of electronic amperite of gas-discharge lamp dummy load according to claim 6 is characterized in that: all delay switchs, be chosen as the time relay, and between its control end, be connected in parallel.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102218024A CN102055450A (en) | 2009-11-10 | 2009-11-10 | Fictitious load for electronic ballast of gas discharge lamp and implementation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102218024A CN102055450A (en) | 2009-11-10 | 2009-11-10 | Fictitious load for electronic ballast of gas discharge lamp and implementation method thereof |
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| CN102055450A true CN102055450A (en) | 2011-05-11 |
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| CN101354426A (en) * | 2007-07-27 | 2009-01-28 | 科博达技术有限公司 | Device and method for simulating load for xenon discharge lamp electric ballast test |
| CN201294673Y (en) * | 2008-10-30 | 2009-08-19 | 安徽长远绿色能源有限公司 | D/A signal superposition feedback circuit |
| CN201569674U (en) * | 2009-11-10 | 2010-09-01 | 上海复展照明科技有限公司 | Dummy load of electronic ballast for gas discharge lamp |
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2009
- 2009-11-10 CN CN2009102218024A patent/CN102055450A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5332970A (en) * | 1992-06-25 | 1994-07-26 | General Electric Company | Method for measuring the impedance of an electrodeless arc discharge lamp |
| CN2422651Y (en) * | 2000-05-24 | 2001-03-07 | 郭建 | Comprehensive testing table for fluorescent lamp |
| CN2779726Y (en) * | 2005-04-11 | 2006-05-10 | 西北工业大学 | A controllable time delay switch |
| CN101354426A (en) * | 2007-07-27 | 2009-01-28 | 科博达技术有限公司 | Device and method for simulating load for xenon discharge lamp electric ballast test |
| CN201174810Y (en) * | 2008-04-07 | 2008-12-31 | 重庆工学院 | Fast debugging assembly of large-power agricultural light filling lamp ballast |
| CN201294673Y (en) * | 2008-10-30 | 2009-08-19 | 安徽长远绿色能源有限公司 | D/A signal superposition feedback circuit |
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| 谢继鸿: "镇流器测试方法的改进", 《家电科技》 * |
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Application publication date: 20110511 |