CN200980190Y - A light tube controlling device driven in two ends - Google Patents
A light tube controlling device driven in two ends Download PDFInfo
- Publication number
- CN200980190Y CN200980190Y CN 200620166527 CN200620166527U CN200980190Y CN 200980190 Y CN200980190 Y CN 200980190Y CN 200620166527 CN200620166527 CN 200620166527 CN 200620166527 U CN200620166527 U CN 200620166527U CN 200980190 Y CN200980190 Y CN 200980190Y
- Authority
- CN
- China
- Prior art keywords
- end points
- altogether
- group
- square wave
- fluorescent tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Inverter Devices (AREA)
Abstract
The utility model provides a tube controller with dual-end drive, composed of a direct-current power supplier, a square wave switching device, a square-wave controller, tubes, start transformers and common receiving transformers, wherein two sides of the tubes are respectively arranged with dual the start transformers and the common receiving transformers, while two sides of the start transformers and the common transformers can be connected to the square wave switching device connected with the direct-current power supplier to receive a control signal of the square-wave controller. The utility model uses the circuit between the tubes, start transformers and the common transformers to effectively balance and make uniform the brightness of the tubes, and save elements and reduce cost for holding the brightness of tubes.
Description
Technical field
The utility model relates to the fluorescent tube control device that a kind of both-end drives, and is meant a kind of control device of keeping the lighting tube brightness of balance LCD backlight especially.
Background technology
See also Fig. 1, it is to commonly use the fluorescent tube control device Organization Chart that both-end drives, by among the figure as can be known, commonly use the fluorescent tube control device 1 that both-end drives, be one direct current power supply unit 12 to be set in plural tubes 11 1 sides, this DC power supply 12 provides DC power supply to square wave switch 13, the Synchronization Control signal that 13 recipient's wave controllers 14 of this square wave switch are imported, and provide square-wave signal to starting transformer 15, and the signal that this starting transformer 15 is exported, can cooperate capacitance component 16 to drive fluorescent tube 11 action, and then reach both-end and drive and make fluorescent tube 11 keep the even brightness purpose.In the above-mentioned device architecture, two ends at fluorescent tube must be provided with capacitance component, so that being provided, the enough high voltages of fluorescent tube avoid brightness disproportionation, but owing to use high voltage, cause problem of withstand voltage to be difficult to solve, and use too much capacitance component, and make that also cost greatly increases, therefore will cause restriction in the use.
See also Fig. 2, it is to commonly use the fluorescent tube control device Organization Chart that both-end drives, by among the figure as can be known, another kind is commonly used the fluorescent tube control device 1 that both-end drives, be one direct current power supply unit 12 to be set in plural tubes 11 1 sides, this DC power supply 12 provides DC power supply to square wave switch 13, the Synchronization Control signal that 13 recipient's wave controllers 14 of this square wave switch are imported, and the starting transformer 15 that provides square-wave signal to be provided with to corresponding fluorescent tube 11 quantity, and the signal that this starting transformer 15 is exported, can drive fluorescent tube 11 action, and then reach both-end and drive and make fluorescent tube 11 keep the even brightness purpose.In the above-mentioned device architecture, two ends at fluorescent tube are provided with starting transformer respectively, evenly solve problem of withstand voltage simultaneously though can make fluorescent tube keep brightness, need to use too much starting transformer, can't reduce cost equally, therefore still cause restriction in the use.
See also Fig. 3, it is to commonly use the fluorescent tube control device Organization Chart that both-end drives, by among the figure as can be known, another kind is commonly used the fluorescent tube control device 1 that both-end drives, be one direct current power supply unit 12 to be set in plural tubes 11 1 sides, this DC power supply 12 provides DC power supply to square wave switch 13, the Synchronization Control signal that 13 recipient's wave controllers 14 of this square wave switch are imported, and provide square-wave signal to starting transformer 15, and the signal that this starting transformer 15 is exported, but complex equilibrium magnetic coil 17 is driven fluorescent tube action, and then reach both-end and drive and make fluorescent tube 11 keep the even brightness purpose.In the above-mentioned device architecture, two ends at fluorescent tube must be provided with Inductive component, evenly solve problem of withstand voltage simultaneously though can make fluorescent tube keep brightness, need to use too much and expensive Inductive component, can't reduce cost equally, therefore still cause restriction in the use.
This shows that above-mentioned located by prior art still has many disappearances, and demands urgently being improved.
Summary of the invention
The purpose of this utility model is the defective that overcomes above-mentioned prior art, and the fluorescent tube control device that provides a kind of both-end to drive, but its active balance plural number tubes reach and keep evenly shinny purpose of fluorescent tube.
A time purpose of the present utility model is the fluorescent tube control device that drives for the both-end that is provided, and it has the stability that improves product and use, increase the service life, reduce product cost, dwindle the transformer size and saving is provided with advantages such as space.
The purpose of this utility model realizes that by following technical proposals the fluorescent tube control device that both-end provided by the utility model drives comprises:
One direct current power supply unit, its exportable DC power supply use for the square wave switch;
One square wave switch, it is after converting DC power supply to AC power, exports a plurality of starting transformers to and connects transformer altogether;
One square wave controller, it is that exportable controlling signal is to the square wave switch;
The plural number tubes, each tubes has two-end-point, and an end is an individual end points, and the other end is for connecing end points altogether, and the both end voltage phase place of each tubes is opposite; One end of each tubes is connected to a bit altogether, is connected to the secondary side that connects transformer altogether again; The other end separate connection of plural number fluorescent tube is to the secondary side of starting transformer;
A plurality of activation transformers, at least one group of first siding ring and at least one group of second siding ring, every group of coil has two end points, its side joint is subjected to the power signal from the square wave switch, an end points was connected on the individual end points of a fluorescent tube after its secondary side boosted, and another end points is connected in reference to accurate position, ground;
Connect transformer altogether, at least one group of first siding ring and at least one group of second siding ring, every group of coil has two end points, its side joint is subjected to the power signal from the square wave switch, an end points was connected in connecing altogether on the end points of plural tubes after its secondary side boosted, and another end points is connected in reference to accurate position, ground.
The utility model reaches the circuit design that connects transformer bay altogether by plural tubes, a plurality of starting transformer, the brightness that makes plural tubes is effectively outside the uniform balance, more can solve and commonly use device and use too much spare part, cause the too high problem of installation cost for keeping lighting tube brightness.
Below just relevant technology contents of the present utility model and detailed description, existing conjunction with figs. and given embodiment describe as follows.
Description of drawings
Fig. 1 commonly uses the fluorescent tube control device Organization Chart that both-end drives;
Fig. 2 commonly uses the fluorescent tube control device Organization Chart that both-end drives;
Fig. 3 commonly uses the fluorescent tube control device Organization Chart that both-end drives;
Fig. 4 is the first embodiment circuit framework figure of the fluorescent tube control device of the utility model both-end driving;
Fig. 5 is the second embodiment circuit framework figure of the fluorescent tube control device of this both-end driving;
Fig. 6 is the 3rd embodiment circuit framework figure of the fluorescent tube control device of this both-end driving;
Fig. 7 is the 4th embodiment circuit framework figure of the fluorescent tube control device of this both-end driving;
Fig. 8 is the 5th embodiment circuit framework figure of the fluorescent tube control device of this both-end driving;
Fig. 9 is the 6th embodiment circuit framework figure of the fluorescent tube control device of this both-end driving;
Figure 10 is the 7th embodiment circuit framework figure of the fluorescent tube control device of this both-end driving;
Figure 11 is the 8th embodiment circuit framework figure of the fluorescent tube control device of this both-end driving;
Figure 12 is the 9th embodiment circuit framework figure of the fluorescent tube control device of this both-end driving;
Figure 13 is the tenth embodiment circuit framework figure of the fluorescent tube control device of this both-end driving; And
Figure 14 A～Figure 14 E mates schematic diagram for the tube impedance of the fluorescent tube control device that this both-end drives.
Description of reference numerals: the fluorescent tube control device that 1 both-end drives; 11 fluorescent tubes; 12 DC power supply; 13 square wave switchs; 14 square wave controllers; 15 starting transformers; 16 capacitance components; 17 equilibrium magnetism coils; The fluorescent tube control device that 2 both-ends drive; 21 fluorescent tubes; 22 DC power supply; The 22a DC power supply; The 22b DC power supply; 23 square wave switchs; 23a square wave switch; 23b square wave switch; 24 square wave controllers; 25 starting transformers; 26 connect transformer altogether; 27 first connect transformer altogether; 28 second connect transformer altogether; 29 equilibrium magnetism coils; 31 fluorescent tubes; 32 capacitance components.
Embodiment
See also Fig. 4, it is the first embodiment circuit framework figure of the fluorescent tube control device that both-end that the utility model provides drives, by among the figure as can be known, the fluorescent tube control device 2 that the utility model both-end drives comprises:
One direct current power supply unit 22, it is that exportable DC power supply uses for square wave switch 23;
One square wave switch 23, it is to receive the DC power supply that DC power supply 22 is provided, and after converting this DC power supply to AC power, exports a plurality of starting transformers 25 to and connect transformer 26 altogether;
One square wave controller 24, it is that exportable controlling signal is to square wave switch 23;
A plurality of activation transformers 25, at least one group of first siding ring and at least one group of second siding ring, every group of coil has two end points, its side joint is subjected to the power signal from square wave switch 23, an end points was connected on the individual end points of a fluorescent tube 21 after its secondary side boosted, and another end points is connected in reference to accurate position, ground;
Connect transformer 26 altogether, at least one group of first siding ring and at least one group of second siding ring, every group of coil has two end points, its side joint is subjected to the power signal from square wave switch 23, an end points was connected in connecing altogether on the end points of plural tubes 21 after its secondary side boosted, and another end points is connected in reference to accurate position, ground.
Can effectively solve the expensive problem that device produces of commonly using by foregoing circuit.
See also Fig. 5, it is the second embodiment circuit framework figure of the fluorescent tube control device that both-end that the utility model provides drives, by among the figure as can be known, the fluorescent tube control device 2 that the utility model both-end drives, it comprises:
One direct current power supply unit 22, it is that exportable DC power supply uses for square wave switch 23;
One square wave switch 23 is to receive the DC power supply that DC power supply 22 is provided, and after converting this DC power supply to AC power, exports a plurality of starting transformers 25 to and connect transformer 26 altogether;
One square wave controller 24, it is that exportable controlling signal is to square wave switch 23;
A plurality of activation transformers 25, at least one group of first siding ring and at least one group of second siding ring, every group of coil has two end points, its side joint is subjected to the power signal from square wave switch 23, an end points was connected on the individual end points of a fluorescent tube 21 after its secondary side boosted, another end points is connected in and connects transformer 26 secondary sides one end points altogether, and then forms a string road that takes back;
Connect transformer 26 altogether, at least one group of first siding ring and at least one group of second siding ring, every group of coil has two end points, its side joint is subjected to the power signal from square wave switch 23, an end points was connected in connecing altogether on the end points of plural tubes 21 after its secondary side boosted, another end points is connected in starting transformer 25 secondary sides one end points, and then forms a string road that takes back.
Can effectively solve the expensive problem that device produces of commonly using by foregoing circuit.
See also Fig. 6, it is the 3rd embodiment circuit framework figure of the fluorescent tube control device that both-end that the utility model provides drives, by among the figure as can be known, the fluorescent tube control device 2 that the utility model both-end drives, it comprises:
One direct current power supply unit 22, it is that exportable DC power supply uses for square wave switch 23;
One square wave switch 23, it is to receive the DC power supply that DC power supply 22 is provided, and after converting this DC power supply to AC power, exports a plurality of starting transformers 25 to and connect transformer 26 altogether;
One square wave controller 24, it is that exportable controlling signal is to square wave switch 23;
A plurality of activation transformers 25, at least one group of first siding ring and at least one group of second siding ring, every group of coil has two end points, its side joint is subjected to the power signal from square wave switch 23, an end points was connected on the individual end points of a fluorescent tube 21 after its secondary side boosted, and another end points is connected in reference to accurate position, ground;
Connect transformer 26 altogether, at least one group of first siding ring and at least one group of second siding ring, every group of coil has two end points, its side joint is subjected to the power signal from square wave switch 23, its secondary side back one end points that boosts is connected in a group of plural tubes 21 and connects altogether on the end points, and another end points then is connected to one of plural tubes 21 and organizes separately altogether and connect on the end points.
Can effectively solve the expensive problem that device produces of commonly using by foregoing circuit.
See also Fig. 7, it is the 4th embodiment circuit framework figure of the fluorescent tube control device that both-end that the utility model provides drives, by among the figure as can be known, the fluorescent tube control device 2 that the utility model both-end drives, it comprises:
One direct current power supply unit 22, it is that exportable DC power supply uses for square wave switch 23;
One square wave switch 23, it is to receive the DC power supply that DC power supply 22 is provided, and after converting this DC power supply to AC power, exports a plurality of starting transformers 25 and two to and connect transformer 26 altogether;
One square wave controller 24, it is that exportable controlling signal is to square wave switch 23;
A plurality of activation transformers 25, at least one group of first siding ring and at least one group of second siding ring, every group of coil has two end points, its side joint is subjected to the power signal from square wave switch 23, an end points was connected on the individual end points of a fluorescent tube 21 after its secondary side boosted, and another end points is connected in reference to accurate position, ground;
Two connect transformer 26 altogether, at least one group of first siding ring and at least one group of second siding ring, every group of coil has two end points, its side joint is subjected to the power signal from square wave switch 23, end points after its secondary side boosts is interconnected in reference to accurate position, ground, another end points then is connected to the common contact of two groups of fluorescent tubes 21 separately, reducing the single power that connects transformer altogether, and reaches the positive and negative staggered purpose of fluorescent tube polarity.
Can effectively solve the expensive problem that device produces of commonly using by foregoing circuit.
See also Fig. 8, it is the 5th embodiment circuit framework figure of the fluorescent tube control device that both-end that the utility model provides drives, by among the figure as can be known, the fluorescent tube control device 2 that the utility model both-end drives, it comprises:
One direct current power supply unit 22, it is that exportable DC power supply uses for square wave switch 23;
One square wave switch 23, it is to receive the DC power supply that DC power supply 22 is provided, and after converting this DC power supply to AC power, exports a plurality of starting transformers 25 to and connect transformer 26 altogether;
One square wave controller 24, it is that exportable controlling signal is to square wave switch 23;
A plurality of activation transformers 25, at least one group of first siding ring and at least one group of second siding ring, every group of coil has two end points, its side joint is subjected to the power signal from square wave switch 23, an end points was connected on the individual end points of a fluorescent tube 21 after its secondary side boosted, and another end points then is connected on the individual end points of another fluorescent tube 21;
Connect transformer 26 altogether, at least one group of first siding ring and at least one group of second siding ring, every group of coil has two end points, its side joint is subjected to the power signal from square wave switch 23, its secondary side back one end points that boosts is connected in a group of plural tubes 21 and connects altogether on the end points, and another end points then is connected to one of plural tubes 21 and organizes separately altogether and connect on the end points.
Can effectively solve the expensive problem that device produces of commonly using by foregoing circuit.
See also Fig. 9, it is the 6th embodiment circuit framework figure of the fluorescent tube control device that both-end that the utility model provides drives, by among the figure as can be known, the fluorescent tube control device 2 that the utility model both-end drives, it comprises:
One direct current power supply unit 22, it is that exportable DC power supply uses for square wave switch 23;
One square wave switch 23, it is to receive the DC power supply that DC power supply 22 is provided, and after converting this DC power supply to AC power, exports a plurality of starting transformers 25 and two to and connect transformer 26 altogether;
One square wave controller 24, it is that exportable controlling signal is to square wave switch 23;
A plurality of activation transformers 25, at least one group of first siding ring and at least one group of second siding ring, every group of coil has two end points, its side joint is subjected to the power signal from square wave switch 23, an end points was connected on the individual end points of a fluorescent tube 21 after its secondary side boosted, and another end points then is connected on the individual end points of another fluorescent tube 21;
Two connect transformer 26 altogether, at least one group of first siding ring and at least one group of second siding ring, every group of coil has two end points, its side joint is subjected to the power signal from square wave switch 23, end points after its secondary side boosts is interconnected in reference to accurate position, ground, another end points then is connected to the common contact of two groups of fluorescent tubes 21 separately, reducing the single power that connects transformer altogether, and reaches the positive and negative staggered purpose of fluorescent tube polarity.
Can effectively solve the expensive problem that device produces of commonly using by foregoing circuit.
See also Figure 10, it is the 7th embodiment circuit framework figure of the fluorescent tube control device that both-end that the utility model provides drives, by among the figure as can be known, the fluorescent tube control device that the utility model both-end drives, it comprises:
One direct current power supply unit 22, it is that exportable DC power supply uses for square wave switch 23;
One square wave switch 23, it is to receive the DC power supply that DC power supply provided, and after converting this DC power supply to AC power, exports first to and connects transformer 27 and second altogether and connect transformer 28 altogether;
One square wave controller 24, it is that exportable controlling signal is to square wave switch 23;
A plurality of equilibrium magnetism coils 29, at least one group of coil, every group of coil has two end points, can use magnetic material to make its magnetic coupling between the equilibrium magnetism coil 29, also can use the connection of coil to be coupled, the one end points is connected on independent fluorescent tube 21 end points, connects altogether on transformer 27 end points in first in succession after another end points connects altogether again;
First connects transformer 27 altogether, at least one group of first siding ring and at least one group of second siding ring, every group of coil has two end points, its side joint is subjected to the power signal to square wave switch 23, an end points was connected on the common contact of equilibrium magnetism coil 29 after its secondary side boosted, and another end points then is connected in reference to accurate position, ground;
Second connects transformer 28 altogether, at least one group of first siding ring and at least one group of second siding ring, every group of coil has two end points, its side joint is subjected to the power signal to square wave switch 23, an end points was connected on the common contact of plural tubes 21 after its secondary side boosted, and another end points then is connected in reference to accurate position, ground.
Can effectively solve the expensive problem that device produces of commonly using by foregoing circuit.
See also Figure 11, it is the 8th embodiment circuit framework figure of the fluorescent tube control device that both-end that the utility model provides drives, by among the figure as can be known, the fluorescent tube control device 2 that the utility model both-end drives, it comprises:
One direct current power supply unit 22, it is that exportable DC power supply uses for square wave switch 23;
One square wave switch 23, it is to receive the DC power supply that continuous-current plant provided, and after converting this DC power supply to AC power, exports first to and connects transformer 27 and second altogether and connect transformer 28 altogether;
One square wave controller 24, it is that exportable controlling signal is to square wave switch 23;
A plurality of equilibrium magnetism coils 29, at least one group of coil, every group of coil has two end points, can use magnetic material to make its magnetic coupling between the equilibrium magnetism coil 29, also can use the connection of coil to be coupled, the one end points is connected on independent fluorescent tube 21 end points, connects altogether on transformer 27 end points in first in succession after another end points connects altogether again;
First connects transformer 27 altogether, at least one group of first siding ring and at least one group of second siding ring, every group of coil has two end points, its side joint is subjected to the power signal to square wave switch 23, an end points was connected on the common contact of equilibrium magnetism coil 29 after its secondary side boosted, another end points is connected in second and connects transformer 28 secondary sides one end points altogether, and then forms a string road that takes back;
Second connects transformer 28 altogether, at least one group of first siding ring and at least one group of second siding ring, every group of coil has two end points, its side joint is subjected to the power signal to square wave switch 23, an end points was connected on the common contact of plural tubes 21 after its secondary side boosted, another end points is connected in first and connects transformer 27 secondary sides one end points altogether, so form one the serial connection go the same way.
Can effectively solve the expensive problem that device produces of commonly using by foregoing circuit.
See also Figure 12, it is the 9th embodiment circuit framework figure of the fluorescent tube control device that both-end that the utility model provides drives, by among the figure as can be known, the fluorescent tube control device 2 that the utility model both-end drives, it comprises:
One direct current power supply unit 22, it is that two square wave switch 23a are given in the output DC source, 23b uses;
Two square wave switch 23a, 23b, its be with square wave controller 24, first, second connects transformer 27 altogether, 28 primary side is concatenated into a loop, can receive the DC power supply that DC power supply 22 is provided, and after converting this DC power supply to AC power, export first to and connect transformer 27 and second altogether and connect transformer 28 altogether;
One square wave controller 24, it is exportable controlling signal to two square wave switch 23a, 23b;
A plurality of equilibrium magnetism coils 29, at least one group of coil, every group of coil has two end points, can use magnetic material to make its magnetic coupling between the equilibrium magnetism coil 29, also can use the connection of coil to be coupled, the one end points is connected on independent fluorescent tube 21 end points, connects altogether on transformer 27 end points in first in succession after another end points connects altogether again;
First connects transformer 27 altogether, at least one group of first siding ring and at least one group of second siding ring, every group of coil has two end points, one end points of its primary side is to be connected with square wave switch 23a, another end points of primary side then is connected with second end points that connects transformer 28 primary sides altogether, an end points was connected on the common contact of equilibrium magnetism coil 29 after its secondary side boosted, and another end points is connected in second and connects transformer 28 secondary sides one end points altogether;
Second connects transformer 28 altogether, at least one group of first siding ring and at least one group of second siding ring, every group of coil has two end points, one end points of its primary side is to be connected with second end points that connects transformer 28 primary sides altogether, another end points of primary side then is connected with square wave switch 23b, an end points was connected on the common contact of plural tubes 21 after its secondary side boosted, and another end points is connected in first and connects transformer 27 secondary sides one end points altogether.
Can effectively solve the expensive problem that device produces of commonly using by foregoing circuit.
See also Figure 13, it is the tenth embodiment circuit framework figure of the fluorescent tube control device that both-end that the utility model provides drives, by among the figure as can be known, the fluorescent tube control device 2 that the utility model both-end drives, it comprises:
One direct current power supply unit 22, it is that exportable DC power supply uses for square wave switch 23;
One square wave switch 23, it is to receive the DC power supply that DC power supply 22 is provided, and after converting this DC power supply to AC power, exports first to and connects transformer 27 and second altogether and connect transformer 28 altogether;
One square wave controller 24, it is that exportable controlling signal is to square wave switch 23;
A plurality of equilibrium magnetism coils 29 are to be divided into two groups, and an end points separate connection of each equilibrium magnetism coil 29 of first group is to the individual end points of a certain fluorescent tube 21; Another end points and first group of other equilibrium magnetism coil 29 are connected to a bit altogether, are connected to first end points that connects transformer 27 secondary sides altogether again; One end points separate connection of each equilibrium magnetism coil 29 of second group is to the individual end points of a certain fluorescent tube 21, and another end points and second group of other equilibrium magnetism coil 29 are connected to a bit altogether, is connected to first another end points that connects transformer 27 secondary sides altogether again;
First connects transformer 27 altogether, at least one group of first siding ring and at least one group of second siding ring, every group of coil has two end points, its side joint is subjected to the power signal from square wave switch 23, an end points was connected on the common contact of first group of equilibrium magnetism coil 29 after its secondary side boosted, and another end points is connected on the common contact of second group of equilibrium magnetism coil 29;
Second connects transformer 28 altogether, at least one group of first siding ring and at least one group of second siding ring, every group of coil has two end points, its side joint is subjected to the power signal to square wave switch 23, an end points was connected on the common contact of first group of fluorescent tube 21 after its secondary side boosted, and another end points is connected on the common contact of second group of fluorescent tube 21.
Can effectively solve the expensive problem that device produces of commonly using by foregoing circuit.
Among above-mentioned the utility model embodiment, employed DC power supply 22 and square wave switch 23 can correspondence be provided with more than one DC power supply 22 and square wave switch 23 according to circuit design.
See also Figure 14 A～Figure 14 E, the tube impedance coupling schematic diagram of the fluorescent tube control device that drives for this both-end, by among the figure as can be known, in the fluorescent tube control device that the utility model both-end drives, can be connected to again to other electronic building brick (Figure 14 A) at fluorescent tube 31 1 ends serial connection capacitance component 32; Also can be connected to again to other electronic building brick (Figure 14 B) at fluorescent tube 31 two ends serial connection capacitance component 32; Also can be connected to again with reference to accurate position, ground (Figure 14 C) at fluorescent tube 31 two ends serial connection capacitance component 32; Also can and connect capacitance component 32, be connected to other electronic building brick and reference accurate position, ground (Figure 14 D) again at fluorescent tube 31 two ends; Also can be connected in series two capacitance components 32 earlier at fluorescent tube 31 two ends, be connected to again with reference to accurate position, ground (Figure 14 E); By above-mentioned set-up mode, and then reach impedance matching effect.
The fluorescent tube control device that both-end provided by the utility model drives when comparing mutually with other located by prior art, has more following advantage:
The fluorescent tube control device that the utility model both-end drives, but active balance plural number tubes reach and keep evenly shinny purpose of fluorescent tube.
The fluorescent tube control device that the utility model both-end drives has the stability that improves product and use, increases the service life, reduces product cost, dwindles the transformer size and saving is provided with advantages such as space.
Above-listed detailed description is specifying at possible embodiments of the present utility model; and described embodiment is not in order to limit claim of the present utility model; allly do not break away from the equivalence that the utility model skill spirit done and implement or change, all should be contained in this novel claimed claim.
Claims (10)
1. the fluorescent tube control device that drives of a both-end is characterized in that it comprises:
One direct current power supply unit, it is that exportable DC power supply uses for the square wave switch;
One square wave switch, it is after converting DC power supply to AC power, exports a plurality of starting transformers to and connects transformer altogether;
One square wave controller, it is that exportable controlling signal is to the square wave switch;
The plural number tubes, each tubes has two-end-point, and an end is an individual end points, and the other end is for connecing end points altogether, and the both end voltage phase place of each tubes is opposite; One end of each tubes is connected to a bit altogether, is connected to the secondary side that connects transformer altogether again; The other end separate connection of plural number fluorescent tube is to the secondary side of starting transformer;
A plurality of activation transformers, at least one group of first siding ring and at least one group of second siding ring, every group of coil has two end points, its side joint is subjected to the power signal from the square wave switch, an end points was connected on the individual end points of a fluorescent tube after its secondary side boosted, and another end points is connected in reference to accurate position, ground;
Connect transformer altogether, at least one group of first siding ring and at least one group of second siding ring, every group of coil has two end points, its side joint is subjected to the power signal from the square wave switch, an end points was connected in connecing altogether on the end points of plural tubes after its secondary side boosted, and another end points is connected in reference to accurate position, ground.
2. the fluorescent tube control device that drives of a both-end is characterized in that it comprises:
One direct current power supply unit, it is that exportable DC power supply uses for the square wave switch;
One square wave switch, it is after converting this DC power supply to AC power, exports a plurality of starting transformers to and connects transformer altogether;
One square wave controller, it is that exportable controlling signal is to the square wave switch;
The plural number tubes, each tubes has two-end-point, and an end is an individual end points, and the other end is for connecing end points altogether, and the both end voltage phase place of each tubes is opposite; One end of each tubes is connected to a bit altogether, is connected to the secondary side that connects transformer altogether again; The other end separate connection of plural number fluorescent tube is to the secondary side of starting transformer;
A plurality of activation transformers, at least one group of first siding ring and at least one group of second siding ring, every group of coil has two end points, its side joint is subjected to the power signal from the square wave switch, an end points was connected on the individual end points of a fluorescent tube after its secondary side boosted, another end points is connected in and connects Circuit Fault on Secondary Transformer one end points altogether, and then forms a string road that takes back;
Connect transformer altogether, at least one group of first siding ring and at least one group of second siding ring, every group of coil has two end points, its side joint is subjected to the power signal from the square wave switch, an end points was connected in connecing altogether on the end points of plural tubes after its secondary side boosted, another end points is connected in starting transformer secondary side one end points, and then forms a string road that takes back.
3. the fluorescent tube control device that drives of a both-end is characterized in that it comprises:
One direct current power supply unit, it is that exportable DC power supply uses for the square wave switch;
One square wave switch is after converting this DC power supply to AC power, exports a plurality of starting transformers to and connects transformer altogether;
One square wave controller, it is that exportable controlling signal is to the square wave switch;
The plural number tubes, each tubes has two-end-point, and an end is an individual end points, and the other end is for connecing end points altogether, and the both end voltage phase place of each tubes is opposite; One end of each tubes is connected to a bit altogether, is connected to the secondary side that connects transformer altogether again; The other end separate connection of plural number fluorescent tube is to the secondary side of starting transformer;
A plurality of activation transformers, at least one group of first siding ring and at least one group of second siding ring, every group of coil has two end points, its side joint is subjected to the power signal from the square wave switch, an end points was connected on the individual end points of a fluorescent tube after its secondary side boosted, and another end points is connected in reference to accurate position, ground;
Connect transformer altogether, at least one group of first siding ring and at least one group of second siding ring, every group of coil has two end points, its side joint is subjected to the power signal from the square wave switch, its secondary side back one end points that boosts is connected in a group of plural tubes and connects altogether on the end points, and another end points then is connected to one of plural tubes and organizes separately altogether and connect on the end points.
4. the fluorescent tube control device that drives of a both-end is characterized in that it comprises:
One direct current power supply unit, it is that exportable DC power supply uses for the square wave switch;
One square wave switch is after converting this DC power supply to AC power, to export a plurality of starting transformers and two to and connect transformer altogether;
One square wave controller, it is that exportable controlling signal is to the square wave switch;
The plural number tubes, each tubes has two-end-point, and an end is an individual end points, and the other end is for connecing end points altogether, and the both end voltage phase place of each tubes is opposite; One end of each tubes is connected to a bit altogether, is connected to the secondary side that connects transformer altogether again; The other end separate connection of plural number tubes is to the secondary side of starting transformer;
A plurality of activation transformers, at least one group of first siding ring and at least one group of second siding ring, every group of coil has two end points, its side joint is subjected to the power signal from the square wave switch, an end points was connected on the individual end points of a fluorescent tube after its secondary side boosted, and another end points is connected in reference to accurate position, ground;
Two connect transformer altogether, at least one group of first siding ring and at least one group of second siding ring, every group of coil has two end points, its side joint is subjected to the power signal from the square wave switch, end points after its secondary side boosts is interconnected in reference to accurate position, ground, another end points then is connected to the common contact of two groups of fluorescent tubes separately, and reducing the single power that connects transformer altogether, and it is positive and negative staggered to reach fluorescent tube polarity.
5. the fluorescent tube control device that drives of a both-end is characterized in that it comprises:
One direct current power supply unit, it is that exportable DC power supply uses for the square wave switch;
One square wave switch is after converting this DC power supply to AC power, exports a plurality of starting transformers to and connects transformer altogether;
One square wave controller, it is that exportable controlling signal is to the square wave switch;
The plural number tubes, each fluorescent tube has two-end-point, and one is individual end points, and the other end is for connecing end points altogether, and the both end voltage phase place of each tubes is opposite; The plural number tubes is divided into two groups, and the end points that connects altogether of each fluorescent tube of first group is connected to a bit altogether, is connected to an end points that connects Circuit Fault on Secondary Transformer altogether again; The end points that connects altogether of each fluorescent tube of second group of plural number fluorescent tube is connected to a bit altogether, is connected to another end points that connects Circuit Fault on Secondary Transformer altogether again; The individual end points of each fluorescent tube of plural number tubes is connected to the secondary side of starting transformer;
A plurality of activation transformers, at least one group of first siding ring and at least one group of second siding ring, every group of coil has two end points, its side joint is subjected to the power signal from the square wave switch, an end points was connected on the individual end points of a fluorescent tube after its secondary side boosted, and another end points then is connected on the individual end points of another fluorescent tube;
Connect transformer altogether, at least one group of first siding ring and at least one group of second siding ring, every group of coil has two end points, its side joint is subjected to the power signal from the square wave switch, its secondary side back one end points that boosts is connected in a group of plural tubes and connects altogether on the end points, and another end points then is connected to one of plural tubes and organizes separately altogether and connect on the end points.
6. the fluorescent tube control device that drives of a both-end is characterized in that it comprises:
One direct current power supply unit, it is that exportable DC power supply uses for the square wave switch;
One square wave switch is after converting this DC power supply to AC power, to export a plurality of starting transformers and two to and connect transformer altogether;
One square wave controller, it is that exportable controlling signal is to the square wave switch;
The plural number tubes, each fluorescent tube has two-end-point, and one is individual end points, and the other end is for connecing end points altogether, and the both end voltage phase place of each tubes is opposite; The plural number tubes is divided into two groups, and the end points that connects altogether of each fluorescent tube of first group is connected to a bit altogether, is connected to an end points that connects Circuit Fault on Secondary Transformer altogether again; The end points that connects altogether of each fluorescent tube of second group of plural number tubes is connected to a bit altogether, is connected to another end points that connects Circuit Fault on Secondary Transformer altogether again; The individual end points of each fluorescent tube of plural number fluorescent tube is connected to the secondary side of starting transformer;
A plurality of activation transformers, at least one group of first siding ring and at least one group of second siding ring, every group of coil has two end points, its side joint is subjected to the power signal from the square wave switch, an end points was connected on the individual end points of a fluorescent tube after its secondary side boosted, and another end points then is connected on the individual end points of another fluorescent tube;
Two connect transformer altogether, at least one group of first siding ring and at least one group of second siding ring, every group of coil has two end points, its side joint is subjected to the power signal from the square wave switch, end points after its secondary side boosts is interconnected in reference to accurate position, ground, another end points then is connected to the common contact of two groups of fluorescent tubes separately, and reducing the single power that connects transformer altogether, and it is positive and negative staggered to reach fluorescent tube polarity.
7. the fluorescent tube control device that drives of a both-end is characterized in that it comprises:
One direct current power supply unit, it is that exportable DC power supply uses for the square wave switch;
One square wave switch is after converting this DC power supply to AC power, exports first to and connects transformer and second altogether and connect transformer altogether;
One square wave controller, it is that exportable controlling signal is to the square wave switch;
A plurality of equilibrium magnetism coils, at least one group of coil, every group of coil has two end points, can use magnetic material to make its magnetic coupling between the equilibrium magnetism coil, also can use the connection of coil to be coupled, the one end points is connected on the individual light pipe end point, connects altogether on the transformer end points in first in succession after another end points connects altogether again;
The plural number tubes, each fluorescent tube has two-end-point, and one is individual end points, and the other end is for connecing end points altogether, and the both end voltage phase place of each tubes is opposite; The end points that connects altogether of each fluorescent tube of plural number tubes is connected to a bit altogether, is connected to second end points that connects Circuit Fault on Secondary Transformer altogether again; The individual end points of each fluorescent tube of plural number tubes then is connected to an end points of corresponding equilibrium magnetism coil;
First connects transformer altogether, at least one group of first siding ring and at least one group of second siding ring, every group of coil has two end points, its side joint is subjected to the power signal to the square wave switch, an end points was connected on the common contact of equilibrium magnetism coil after its secondary side boosted, and another end points then is connected in reference to accurate position, ground;
Second connects transformer altogether, at least one group of first siding ring and at least one group of second siding ring, every group of coil has two end points, its side joint is subjected to the power signal to the square wave switch, an end points was connected on the common contact of plural tubes after its secondary side boosted, and another end points then is connected in reference to accurate position, ground.
8. the fluorescent tube control device that drives of a both-end is characterized in that it comprises:
One direct current power supply unit, it is that exportable DC power supply uses for the square wave switch;
One square wave switch is after converting this DC power supply to AC power, exports first to and connects transformer and second altogether and connect transformer altogether;
One square wave controller, it is that exportable controlling signal is to the square wave switch;
A plurality of equilibrium magnetism coils, at least one group of coil, every group of coil has two end points, can use magnetic material to make its magnetic coupling between the equilibrium magnetism coil, also can use the connection of coil to be coupled, the one end points is connected on the individual light pipe end point, connects altogether on the transformer end points in first in succession after another end points connects altogether again;
The plural number tubes, each fluorescent tube has two-end-point, and one is individual end points, and the other end is for connecing end points altogether, and the both end voltage phase place of each tubes is opposite; The end points that connects altogether of each fluorescent tube of plural number tubes is connected to a bit altogether, is connected to second end points that connects Circuit Fault on Secondary Transformer altogether again; The individual end points of each fluorescent tube of plural number tubes then is connected to an end points of corresponding equilibrium magnetism coil;
First connects transformer altogether, at least one group of first siding ring and at least one group of second siding ring, every group of coil has two end points, its side joint is subjected to the power signal to the square wave switch, an end points was connected on the common contact of equilibrium magnetism coil after its secondary side boosted, another end points is connected in second and connects Circuit Fault on Secondary Transformer one end points altogether, and then forms a string road that takes back;
Second connects transformer altogether, at least one group of first siding ring and at least one group of second siding ring, every group of coil has two end points, its side joint is subjected to the power signal to the square wave switch, an end points was connected on the common contact of plural tubes after its secondary side boosted, another end points is connected in first and connects Circuit Fault on Secondary Transformer one end points altogether, and then forms a string road that takes back;
9. the fluorescent tube control device that drives of a both-end is characterized in that it comprises:
One direct current power supply unit, it is that the output DC source uses for two square wave switchs;
Two square wave switchs, be to be concatenated into a loop with square wave controller, first, second primary side that connects transformer altogether, can receive the DC power supply that DC power supply provides, and after converting this DC power supply to AC power, export first to and connect transformer and second altogether and connect transformer altogether;
One square wave controller, it is exportable controlling signal to two square wave switch;
A plurality of equilibrium magnetism coils, at least one group of coil, every group of coil has two end points, can use magnetic material to make its magnetic coupling between the equilibrium magnetism coil, also can use the connection of coil to be coupled, the one end points is connected on the individual light pipe end point, connects altogether on the transformer end points in first in succession after another end points connects altogether again;
The plural number tubes, each fluorescent tube has two-end-point, and one is individual end points, and the other end is for connecing end points altogether, and the both end voltage phase place of each tubes is opposite; The end points that connects altogether of each fluorescent tube of plural number tubes is connected to a bit altogether, is connected to second end points that connects Circuit Fault on Secondary Transformer altogether again; The individual end points of each fluorescent tube of plural number tubes then is connected to an end points of corresponding equilibrium magnetism coil;
First connects transformer altogether, at least one group of first siding ring and at least one group of second siding ring, every group of coil has two end points, one end points of its primary side is to be connected with the square wave switch, another end points of primary side then is connected with second end points that connects the transformer primary side altogether, an end points was connected on the common contact of equilibrium magnetism coil after its secondary side boosted, and another end points is connected in second and connects Circuit Fault on Secondary Transformer one end points altogether;
Second connects transformer altogether, at least one group of first siding ring and at least one group of second siding ring, every group of coil has two end points, one end points of its primary side is to be connected with second end points that connects the transformer primary side altogether, another end points of primary side then is connected with the square wave switch, an end points was connected on the common contact of plural tubes after its secondary side boosted, and another end points is connected in first and connects Circuit Fault on Secondary Transformer one end points altogether.
10. the fluorescent tube control device that drives of a both-end is characterized in that it comprises:
One direct current power supply unit, it is that exportable DC power supply uses for the square wave switch;
One square wave switch is after converting this DC power supply to AC power, exports first to and connects transformer and second altogether and connect transformer altogether;
One square wave controller, it is that exportable controlling signal is to the square wave switch;
The plural number tubes, each fluorescent tube has two-end-point, and one is individual end points, and another is for connecing end points altogether, and the both end voltage phase place of each fluorescent tube is opposite; The plural number tubes is divided into two groups, and the end points that connects altogether of each fluorescent tube of first group is connected to a bit altogether, is connected to second end points that connects Circuit Fault on Secondary Transformer altogether again, and the individual end points of each fluorescent tube of first group of fluorescent tube is connected to an end points of a certain equilibrium magnetism coil; The end points that connects altogether of each fluorescent tube of second group is connected to a bit altogether, is connected to second another end points that connects Circuit Fault on Secondary Transformer altogether again, and the individual end points of each fluorescent tube of second group of fluorescent tube is connected to an end points of a certain equilibrium magnetism coil;
A plurality of equilibrium magnetism coils are to be divided into two groups, and an end points separate connection of each equilibrium magnetism coil of first group is to the individual end points of a certain fluorescent tube; Another end points and first group of other equilibrium magnetism coil are connected to a bit altogether, are connected to first end points that connects Circuit Fault on Secondary Transformer altogether again; One end points separate connection of each equilibrium magnetism coil of second group is to the individual end points of a certain fluorescent tube, and another end points and second group of other equilibrium magnetism coil are connected to a bit altogether, is connected to first another end points that connects Circuit Fault on Secondary Transformer altogether again;
First connects transformer altogether, at least one group of first siding ring and at least one group of second siding ring, every group of coil has two end points, its side joint is subjected to the power signal from the square wave switch, an end points was connected on the common contact of first group of equilibrium magnetism coil after its secondary side boosted, and another end points is connected on the common contact of second group of equilibrium magnetism coil;
Second connects transformer altogether, at least one group of first siding ring and at least one group of second siding ring, every group of coil has two end points, its side joint is subjected to the power signal to the square wave switch, an end points was connected on the common contact of first group of fluorescent tube after its secondary side boosted, and another end points is connected on the common contact of second group of fluorescent tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620166527 CN200980190Y (en) | 2006-12-05 | 2006-12-05 | A light tube controlling device driven in two ends |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620166527 CN200980190Y (en) | 2006-12-05 | 2006-12-05 | A light tube controlling device driven in two ends |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200980190Y true CN200980190Y (en) | 2007-11-21 |
Family
ID=38980572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620166527 Expired - Fee Related CN200980190Y (en) | 2006-12-05 | 2006-12-05 | A light tube controlling device driven in two ends |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200980190Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101902865A (en) * | 2009-05-26 | 2010-12-01 | 成都芯源系统有限公司 | Double-end driving circuit for LCD backlight and method thereof |
-
2006
- 2006-12-05 CN CN 200620166527 patent/CN200980190Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101902865A (en) * | 2009-05-26 | 2010-12-01 | 成都芯源系统有限公司 | Double-end driving circuit for LCD backlight and method thereof |
| CN101902865B (en) * | 2009-05-26 | 2014-04-16 | 成都芯源系统有限公司 | Double-end driving circuit for LCD backlight and method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1294547C (en) | Driving device and method for plasma display panel | |
| CN1773825A (en) | Switching power supply | |
| CN1205734C (en) | Power conversion device | |
| CN1811888A (en) | A controller, electronic circuit, display device and frequency-elimination synchronizing converter | |
| CN1770227A (en) | Display device and driving device of light source therefor | |
| CN1678161A (en) | External-electrode fluorescent lamp driving device | |
| CN1701645A (en) | Apparatus for supplying power, backlight assembly and liquid crystal display apparatus having the same | |
| CN1906842A (en) | DC-AC converter, its controller IC, and electronic apparatus using the DC-AC converter | |
| CN1917004A (en) | Display control apparatus capable of decreasing the size thereof | |
| CN1671266A (en) | Parallel lighting system for surface light source discharge lamps | |
| CN1097337C (en) | Gate control circuit for voltage drive switching element | |
| CN1677825A (en) | Semiconductor device for controlling switching power supply | |
| CN1808875A (en) | Method and apparatus for DC to AC power conversion for driving discharge lamps | |
| CN1405959A (en) | Switch power-supply device | |
| CN1770946A (en) | Lamp-enlightened device | |
| CN1234199C (en) | Power supply equipment and method | |
| CN101076845A (en) | Plasma display panel display device | |
| CN1921723A (en) | Cold cathode tube lighting device, tube current detecting circuit used in cold cathode tube lighting device, and tube current controlling method | |
| CN101052259A (en) | Inert gas fluorescent lamp lighting apparatus | |
| CN1284127C (en) | Plasma display board drive circuit | |
| CN200980190Y (en) | A light tube controlling device driven in two ends | |
| CN1967639A (en) | Display device having plurality of power supplies and method for controlling the same | |
| CN1462993A (en) | Circuit of drive display | |
| CN1580904A (en) | Lamp combination body, back light source combination body and method for driving display device and lamp | |
| CN1209946C (en) | Method and apparatus for operating discharge lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071121 Termination date: 20121205 |