Electronic stabilizer circuit
A technology for electronic ballasts and locking circuits, which is applied to electric light sources, electrical components, lighting devices, etc., and can solve the problems of undetectable, undetectable lamp tubes, inconvenience, etc.
Inactive Publication Date: 2013-09-11
DELTA ELECTRONICS INC
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Problems solved by technology
[0006] As can be seen from the foregoing, the detection circuit configured in the current electronic ballast circuit 1 can only detect whether a part of the lamp tubes (that is, the lamp tubes 114, 124) are connected to the circuit, but cannot detect all the lamp tubes (that is, cannot detect the lamp tubes). 111, 121), which is really inconvenient for users of electronic ballast circuits
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[0018] The content of the present invention will be explained by the following examples. The examples of the present invention are not intended to limit the present invention to be implemented in any specific environment, application or special method as described in the examples. Therefore, the descriptions about the embodiments are only for the purpose of explaining the present invention rather than limiting the present invention. It should be noted that in the following embodiments and drawings, elements not directly related to the present invention have been omitted and not shown; and the dimensional relationship among the elements in the drawings is intended for easy understanding and is not intended to limit the actual ratio.
[0019] A first preferred embodiment of the present invention is figure 2 Shown is an electronic ballast circuit 2, which includes a first lamp group 21, a second lamp group 22, a detection circuit, a locking circuit 24, capacitors 251, 253 and sw...
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The invention relates to an electronic stabilizer circuit which comprises a first lamp assembly, a second lamp assembly, a detection circuit and a latch circuit. The first lamp assembly comprises a first inductor and a plurality of accommodation regions. The second lamp assembly comprises a second inductor and at least one accommodation region. The detection circuit is used for receiving a direct current voltage signal and is coupled to each accommodation region of the first lamp assembly and each accommodation region of the second lamp assembly so as to be convenient for the detection circuit, the first inductor, the second inductor and lamp tubes to be accommodated properly in the accommodation regions to form a series circuit and produce a first signal. The latch circuit is coupled to the detection circuit so as to respond the first signal and selectively start or close the electronic stabilizer circuit.
Description
technical field [0001] The present invention relates to an electronic ballast circuit, in particular to an electronic ballast circuit capable of detecting and automatically restarting all lamp tubes. Background technique [0002] Since the invention of the light tube, its application range has become wider and wider, and one of the most extensive and well-known applications is lighting. With the improvement of people's requirements for lighting quality, the electronic ballast used to load the lamp tube in the electronic ballast circuit is also upgraded from only loading a single lamp tube to loading multiple lamp tubes. [0003] see figure 1 , is an existing electronic ballast circuit 1, which includes a first lamp group 11, a second lamp group 12, a driving circuit 13, capacitors 150, 151, switching elements 152, 153, a detection circuit, a locking circuit (latch circuit) 140 and preheating circuits 160, 161. The first lamp group 11 includes a resonant component 110 , pr...
Claims
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IPC IPC(8): H05B41/24
Inventor 钟媛媛张伟强应建平
Owner DELTA ELECTRONICS INC