Non-polar lamp system

Abstract

The utility model provides a nonpolar lamp system, which comprises a central processing unit, a signal controller and an LED lamp device, the central processing unit is used for outputting a driving power supply and a lamp control signal, the LED lamp device comprises a positive and negative correction module and an LED lamp group module, and the positive and negative correction module is used for correcting the driving power supply and the lamp control signal. When the positive and negative polarities of the LED lamp device and the central processing unit are reversely connected, the flow direction of current can be changed, and positive and negative voltages are converted, so that the LED lamp device and the central processing unit can be randomly connected without distinguishing the positive and negative polarities when being connected; therefore, the problem of too long mounting time of the lamp device caused by wrong connection of the positive and negative electrodes during mounting of the lamp device is avoided, and the mounting and connecting efficiency of the lamp is improved. Besides, through the arrangement of the first switch subunit and the second switch subunit, the series connection controllability of the common-anode LED lamp group and the common-cathode LED lamp group is realized, the utilization rate of the lamp system to the power supply is improved, and the lamp system is more energy-saving.

Description

Technical Field

[0001] The utility model relates to the field of lighting, in particular to a non-polar lamp system. Background Art

[0002] In the traditional lamp system, when installing and connecting the lamp, the staff often need to pay attention to the positive and negative poles of the lamp, and connect the corresponding electrodes of the lamp to the corresponding positions of the driving end to realize the conduction between the lamp and the driving end.

[0003] However, in the actual lamp installation operation, in order to improve the installation speed, the workers often directly carry out the lamp installation operation based on experience, and inevitably there will be a phenomenon that the polarity of individual lamps is connected incorrectly, resulting in the lamp not being successfully lit. Therefore, usually after the lamp installation of the lamp system is completed, the power supply needs to be turned on to check the lighting condition of the lamp, and the incorrectly installed lamp needs to be reinstalled, thus increasing the lamp installation time and reducing the lamp installation efficiency. For this reason, it is necessary to develop a non-polar lamp system to realize the non-polar installation of the lamp and save the lamp installation time. Summary of the Utility Model

[0004] Aiming at the technical problem that in the prior art, during the lamp installation operation, there will inevitably be a phenomenon that the polarity of individual lamps is connected incorrectly, resulting in an increase in the lamp installation time and a low installation efficiency, the utility model provides a non-polar lamp system.

[0005] A non-polar lighting system, comprising a central processor, a signal controller, and an LED lighting device for outputting a driving power supply and a lighting control signal. The LED lighting device includes a positive-negative correction module and at least one LED lamp group module. The input end of the positive-negative correction module is electrically connected to the output end of the central processor; the output end of the positive-negative correction module is respectively electrically connected to the signal controller and the LED lamp group module, and the output end of the signal controller is electrically connected to the LED lamp group module; the positive-negative correction module includes a positive-negative correction circuit for changing the current flow direction and a signal processing circuit for stabilizing the voltage of the lighting control signal to obtain a conversion signal; the signal controller is configured to receive and output a corresponding lighting control signal according to the conversion signal to control the LED lamp group module; wherein, the conversion signal is composed of an R (red) lighting control signal and / or a G (green) lighting control signal and / or a B (blue) lighting control signal; the positive-negative correction circuit includes a first circuit composed of diodes D1 and D2 connected in series in sequence and a second circuit composed of diodes D3 and D4 connected in series in sequence, and the first circuit and the second circuit are reversely connected in parallel; and the connection point of the anodes of diode D1 and diode D3 is grounded, the cathode of diode D2 is electrically connected to the LED lamp group module, and the cathode of diode D4 is electrically connected to the signal processing circuit; and the connection point of the cathode of diode D1 and the anode of diode D2 and the connection point of the cathode of diode D3 and the anode of diode D4 are respectively connected to the output end of the central processor; the connection point of the cathode of diode D2 and the cathode of diode D4 is grounded.

[0006] Further, the signal processing circuit includes a zener diode. The negative electrode of the zener diode is connected to the negative electrode of diode D4 through a resistor R1, and the positive electrode of the zener diode is grounded through a resistor R2 and is electrically connected to the signal controller.

[0007] Further, the LED lamp group module includes a switch unit and a lighting unit. The lighting unit includes a common-anode LED lamp group and a common-cathode LED lamp group. The common-anode end of the common-anode LED lamp group is connected to the output end of the positive-negative correction module; the common-cathode end of the common-cathode LED lamp group is grounded; the switch unit is configured to receive the lighting control signal sent by the signal controller and turn on the lighting unit according to the lighting control signal; and the switch unit includes a first switch sub-unit and a second switch sub-unit. The two ends of the first switch sub-unit are respectively electrically connected to the second switch sub-unit and the signal controller; the second switch sub-unit is connected in series between the common-anode LED lamp group and the common-cathode LED lamp group.

[0008] Further, both the common-anode LED lamp group and the common-cathode LED lamp group include LED lamp units corresponding one-to-one to the lighting control signal.

[0009] Further, the lamp control signal is a high-level control signal.

[0010] Further, the first switch sub-unit includes NPN-type triodes corresponding one-to-one to the lamp control signals. The bases of the NPN-type triodes are connected to the signal controller, and the emitters of the NPN-type triodes are grounded. The second switch sub-unit includes PNP-type triodes corresponding one-to-one to the lamp control signals. The emitters of the PNP triodes are connected to the LED lamp units corresponding to the common-anode LED lamp group, the collectors of the PNP triodes are connected to the LED lamp units corresponding to the common-cathode LED lamp group, and the bases of the PNP-type triodes are connected to the collectors of the corresponding PNP-type triodes.

[0011] The beneficial effects of the present utility model are as follows: The present utility model provides a non-polarity lamp system, which includes a central processing unit, a signal controller, and an LED lamp device for outputting a driving power supply and a lamp control signal. The LED lamp device includes a positive-negative correction module and an LED lamp group module. Through the setting of the positive-negative correction module, when the positive and negative polarities of the LED lamp device and the central processing unit are connected reversely, the direction of the current can be changed, and the positive and negative voltages can be converted. Thus, when the LED lamp device is connected to the central processing unit, it is not necessary to distinguish the positive and negative polarities and can be connected arbitrarily, thereby avoiding the problem that the installation of the lamp device takes too long due to the wrong connection of the positive and negative electrodes during installation, which is beneficial to improving the installation and connection efficiency of the lamp. In addition, through the setting of the first switch sub-unit and the second switch sub-unit, the series control of the common-anode LED lamp group and the common-cathode LED lamp group is realized, improving the utilization rate of the power supply of the lamp system, making the lamp system more energy-saving and saving more layout space. Description of the Drawings

[0012] Figure 1 is the circuit diagram of a non-polarity lamp system provided by the present utility model;

[0013] Figure 2 is the circuit diagram of the positive-negative correction circuit provided by the present utility model.

[0014] Reference Signs in the Drawings

[0015] 1. Central processing unit; 2. Signal controller; 3. Positive-negative correction module; 4. LED lamp group module; 41. Common-anode lamp group; 42. Common-cathode lamp group; 43. First switch sub-unit; 44. Second switch sub-unit; Detailed Embodiments

[0016] The following further describes a non-polar lighting fixture system and its LED series-connected lamp provided by the present utility model in conjunction with the accompanying drawings. It should be noted that only an optimized technical solution is used to elaborate in detail the technical solution and design principle of the present utility model below.

[0017] Refer to Figure 1 As shown, a non-polar lighting fixture system includes a central processing unit 1 for outputting a driving power supply and a lighting fixture control signal, a signal controller 2, and at least one LED lighting fixture device. The LED lighting fixture device includes a positive / negative correction module 3 and an LED lamp group module 4.

[0018] Specifically, the input end of the positive / negative correction module 3 is electrically connected to the output end of the central processing unit 1; the output end of the positive / negative correction module 3 is respectively electrically connected to the signal controller 2 and the LED lamp group module, and the signal controller 2 is electrically connected to the LED lamp group module 4.

[0019] The positive / negative correction module 3 includes a positive / negative correction circuit for changing the current flow direction and a signal processing circuit for stabilizing the lighting fixture control signal to obtain a conversion signal; the signal controller is used to receive and output a corresponding lighting fixture control signal according to the conversion signal to control the LED lamp group module; wherein, the lighting fixture control signal is a high-level control signal.

[0020] Refer to Figure 2 As shown, the positive / negative correction circuit includes a first circuit composed of diodes D1 and D2 connected in series in sequence and a second circuit composed of diodes D3 and D4 connected in series in sequence. The first circuit and the second circuit are reversely connected in parallel; and the connection point of the anodes of diode D1 and diode D3 is grounded, the cathode of diode D2 is electrically connected to the LED lamp group module, and the cathode of diode D4 is electrically connected to the signal processing circuit; and the connection points of the cathodes of diode D1 and diode D2 and the connection points of the cathodes of diode D3 and diode D4 are respectively connected to the output end of the central processing unit 1; the connection point of the cathodes of diode D2 and diode D4 is grounded. In this embodiment, the positive / negative correction circuit further includes a diode D5, and the diode D5 is connected between the cathode of diode D2 and the LED lamp group module. The connection point of the cathodes of diode D2 and diode D4 is grounded through a resistor R3.

[0021] The diodes D1, D2, D3, and D4 form a bridge rectifier circuit to change the current flow direction, thereby achieving a non-polar connection between the LED lighting device and the central processor 1. When the central processor 1 outputs a positive voltage, that is, when the positive and negative poles of the LED lighting device are correspondingly connected to the central processor 1, the diodes D1 and D3 are in the reverse bias state and do not conduct; the diodes D2 and D4 are in the forward bias state and conduct. At this time, the current flows from the positive output terminal of the central processor 1 through the diode D2 to the LED lamp group module, and then flows back to the negative output terminal (or ground) of the central processor 1 through the diode D4. When the central processor 1 outputs a negative voltage, that is, when the positive and negative poles of the LED lighting device are reversely connected to the central processor 1, the diodes D2 and D4 are in the reverse bias state and do not conduct. The diodes D1 and D3 are in the forward bias state and conduct. At this time, the current flows from the negative output terminal (or ground) of the central processor 1 through the diode D1 to the LED lamp group module, and then flows back to the positive output terminal of the central processor 1 through the diode D3.

[0022] The signal processing circuit is used to stabilize the voltage of the lighting control signal to obtain a conversion signal. The signal processing circuit includes a Zener diode. The negative electrode of the Zener diode is connected to the negative electrode of the diode D4 through a resistor R1. The positive electrode of the Zener diode is grounded through a resistor R2 and is electrically connected to the signal controller. Among them, the conversion signal is composed of the R lighting control signal and / or the G lighting control signal and / or the B lighting control signal.

[0023] Reference Figure 1 As shown, the LED lamp group module 4 includes a switch unit and a lighting unit. The lighting unit includes a common-anode LED lamp group 41 and a common-cathode LED lamp group 42. The common-anode end of the common-anode LED lamp group 41 is connected to the output terminal of the positive and negative correction module 3; the common-cathode end of the common-cathode LED lamp group 42 is grounded; the switch unit is used to receive the lighting control signal sent by the signal controller and conduct the lighting unit according to the lighting control signal; and the switch unit includes a first switch sub-unit 43 and a second switch sub-unit 44. The first switch sub-unit 43 is connected in series between the common-anode LED lamp group 41 and the common-cathode LED lamp group 42; both ends of the second switch sub-unit 44 are respectively connected to the first switch sub-unit 43 and the signal controller 2.

[0024] Among them, the common-anode LED lamp group 41 and the common-cathode LED lamp group 42 both include LED lamp units corresponding one-to-one to the lamp control signals; the first switch sub-unit 43 includes NPN-type triodes corresponding one-to-one to the lamp control signals, the base of the NPN-type triode is connected to the signal controller 2, and the emitter of the NPN-type triode is grounded; the second switch sub-unit 44 includes PNP-type triodes corresponding one-to-one to the lamp control signals, and the emitter of the PNP triode is connected to the LED lamp unit corresponding to the common-anode LED lamp group, the collector of the PNP triode is connected to the LED lamp unit corresponding to the common-cathode LED lamp group 42, and the base of the PNP-type triode is connected to the collector of the corresponding PNP-type triode.

[0025] In this embodiment, the lamp control signal is a high-level control signal, and the control signal terminals of the signal controller 2 can respectively output a lamp control signal B+, a lamp control signal G+, and a lamp control signal R+. The first switch sub-unit 43 includes NPN-type triodes Q1, Q2, and Q3, the second switch sub-unit 44 includes PNP-type triodes Q4, Q5, and Q6, the common-anode LED lamp group 41 includes a red LED lamp unit L1, a green LED lamp unit L2, and a blue LED lamp unit L3, and the common-cathode LED lamp group 42 includes a red LED lamp unit L4, a green LED lamp unit L5, and a blue LED lamp unit L6. Combining Figure 1 Specifically illustrate the connection relationship of each component and the working principle of this lighting unit. The common-anode end of the common-anode LED lamp group 41 is connected to the central processor 1 through the positive and negative correction module 3. The bases of the NPN-type triodes Q1, Q2, and Q3 are respectively connected to the control signals of the signal controller 2 through resistors R4, R5, and R6 to receive the lamp control signals B+, G+, and R+. Among them, the emitters of the NPN-type triodes Q1, Q2, and Q3 are all grounded, and their collectors are respectively connected to the bases of the PNP-type triodes Q4, Q5, and Q6; the collectors of the PNP-type triodes Q4, Q5, and Q6 are respectively connected to the red LED lamp unit L4, the green LED lamp unit L5, and the blue LED lamp unit L6 of the common-cathode lamp group 42 through resistors R7, R8, and R9, and the emitters of the PNP-type triodes Q4, Q5, and Q6 are respectively connected to the red LED lamp unit L4, the green LED lamp unit L5, and the blue LED lamp unit L6 of the common-anode lamp group 41; at the same time, the bases of the PNP-type triodes Q4, Q5, and Q6 are also respectively connected to the common-anode end of the common-anode LED lamp group through resistors R10, R11, and R12.

[0026] When the signal controller 2 sends out the lamp control signal B+ through the control signal terminal, the NPN transistor Q2 receives the lamp control signal B+ and conducts the loop composed of the blue LED lamp unit L3 in the common-anode LED lamp group 41, the NPN transistor Q2, and the blue LED lamp unit L5 of the common-cathode LED lamp group 42, lighting up the blue LED lamp unit L3 and the blue LED lamp unit L5 to achieve blue light illumination. Similarly, by outputting the lamp control signal R+, the lamp control signal G+, and the lamp control signal B+ through the control signal terminal, the red lamp group - the red LED lamp units L1, L4, the green lamp group - the green LED lamp units L2, L5, and the blue lamp group - the blue LED lamp units L3, L6 can be controlled individually or simultaneously, realizing the series controllability of the common-anode LED lamp group 41 and the common-cathode LED lamp group 42.

[0027] A non-polarity lamp system provided by the present utility model not only realizes the non-polarity connection between the LED lamp device and the central processing unit 1 through the positive and negative correction module 3, but also realizes the series controllability of the common-anode LED lamp group and the common-cathode LED lamp group, improving the utilization rate of the power supply of the lamp system, making the installation of the lamp system simple and having good versatility; compared with the traditional LED lighting device, it has the advantages of fast installation, small volume, and energy saving.

[0028] The above is only the preferred embodiment of the present utility model. It should be noted that the above preferred embodiment should not be regarded as a limitation of the present utility model. The protection scope of the present utility model should be subject to the scope defined by the claims. For those of ordinary skill in the art in this technical field, without departing from the spirit and scope of the present utility model, several improvements and retouches can also be made, and these improvements and retouches should also be regarded as the protection scope of the present utility model.

Claims

1. A non-polarity lamp system, characterized in that: The invention comprises a central processor for outputting driving power and lamp control signals, a signal controller and at least one LED lamp device, wherein the LED lamp device comprises a positive and negative correction module and an LED lamp group module. The input end of the positive and negative correction module is electrically connected to the output end of the central processing unit; the output end of the positive and negative correction module is electrically connected to the signal controller and the LED light group module respectively, and the output end of the signal controller is electrically connected to the LED light group module; The forward and reverse correction module includes a forward and reverse correction circuit for changing the direction of current flow and a signal processing circuit for stabilizing the lamp control signal to obtain a conversion signal; the signal controller is used to receive and output a corresponding lamp control signal according to the conversion signal to control the LED lamp group module; wherein the conversion signal is composed of an R (red) lamp control signal and / or a G (green) lamp control signal and / or a B (blue) lamp control signal; Wherein, the forward and reverse correction circuit includes a first circuit composed of diodes D1 and D2 connected in series in sequence and a second circuit composed of diodes D3 and D4 connected in series in sequence, and the first circuit and the second circuit are connected in reverse parallel; and the connection point between the anode of the diode D1 and the anode of the diode D3 is grounded, the cathode of the diode D2 is electrically connected to the LED lamp group module, and the cathode of the diode D4 is electrically connected to the signal processing circuit; and the connection point between the cathode of the diode D1 and the anode of the diode D2 and the connection point between the cathode of the diode D3 and the anode of the diode D4 are respectively connected to the output end of the central processing unit; the connection point between the cathode of the diode D2 and the cathode of the diode D4 is grounded.

2. A non-polarity lamp system according to claim 1, characterized in that: The signal processing circuit includes a Zener tube, the cathode of the Zener tube is connected to the cathode of the diode D4 through a resistor R1, the anode of the Zener tube is grounded through a resistor R2, and is electrically connected to the signal controller.

3. The non-polarity lamp system according to claim 1, characterized in that: The LED lamp group module includes a switch unit and a lighting unit. The lighting unit includes a common anode LED lamp group and a common cathode LED lamp group, wherein the common anode end of the common anode LED lamp group is connected to the output end of the positive and negative correction module; and the common cathode end of the common cathode LED lamp group is grounded; The switch unit is used to receive the lamp control signal sent by the signal controller and turn on the lighting unit according to the lamp control signal; The switch unit includes a first switch subunit and a second switch subunit, and two ends of the first switch subunit are electrically connected to the second switch subunit and the signal controller respectively; the second switch subunit is connected in series between the common anode LED lamp group and the common cathode LED lamp group.

4. The non-polarity lamp system according to claim 3, characterized in that: The common anode LED lamp group and the common cathode LED lamp group both include LED lamp units corresponding one to one to the lamp control signals.

5. The non-polarity lamp system according to claim 3, characterized in that: The lamp control signal is a high level control signal.

6. The non-polarity lamp system according to claim 5, characterized in that: The first switch sub-unit includes an NPN type transistor corresponding to the lamp control signal one by one, the base of the NPN type transistor is connected to the signal controller, and the emitter of the NPN type transistor is grounded; the second switch sub-unit includes a PNP type transistor corresponding to the lamp control signal one by one, and the emitter of the PNP transistor is connected to the LED lamp unit corresponding to the common anode LED lamp group, the collector of the PNP transistor is connected to the LED lamp unit corresponding to the common cathode LED lamp group, and the base of the PNP type transistor is connected to the collector of the corresponding PNP type transistor.

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