High-voltage generator and photoelectric detection device
A high-voltage generator and pulse generating circuit technology, applied in the field of high-voltage switching power supply, can solve the problems of unstable analysis data, unstable output voltage of high-voltage generator, etc.
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Embodiment 1
[0033] figure 1 A functional block diagram of a high voltage generator according to an embodiment of the invention is shown. according to figure 1As shown, the high voltage generator includes a transformer T1, a first controllable switch Q1, a pulse generating circuit, a first filtering and rectifying circuit and a second filtering and rectifying circuit.
[0034] Such as figure 1 As shown, one end of the primary side of the transformer T1 is connected to a DC power source, such as a 24V DC voltage source. Such as Figure 5 As shown, the secondary side of the transformer T1 includes a first winding T1A and a second winding T1B, one end of the first winding T1A is connected to one end of the second winding T1B; the other end of the second winding T1B is grounded.
[0035] The two ends of the controlled switch of the first controllable switch Q1 are connected in series with the primary circuit of the transformer T1 for controlling the connection or disconnection of the prima...
Embodiment 2
[0071] An embodiment of the present invention provides a photodetection device, which includes the high-voltage generator described in Embodiment 1 or any optional manner in Embodiment 1, an attenuation plate, and a plurality of photomultiplier tubes.
[0072] Figure 8 A schematic diagram of the connection of the photodetection device according to the embodiment of the present invention is shown. Such as Figure 8 As shown, the attenuation board consists of multiple resistors connected in series, such as Figure 8 Middle R81 to R814, and short wire. One end of the plurality of resistors connected in series is connected to the first preset DC voltage output end of the high voltage generator. Connection ports are left between adjacent resistors, such as Figure 8 Ports 1 to 16 in . The two ends of the short-circuit wire are respectively used to connect to the connection ports on the attenuation board.
[0073] Multiple photomultiplier tubes, such as Figure 8 In the phot...
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