Electronic fence high-voltage pulse circuit based on hybrid switched capacitor network and control method thereof

Abstract

The application discloses a high-voltage pulse circuit of an electronic fence based on a hybrid switched capacitor network and a control method thereof, and comprises two parts of a hybrid switched capacitor network and a flyback voltage-boosting circuit. The switching of different working modes of the hybrid switched capacitor network and the switching of the charging and discharging states of energy storage elements in the circuit are realized by controlling the on / off of the switching tube, and the input voltage is boosted to the required voltage level by the flyback voltage-boosting circuit. The input voltage is boosted by the first-stage voltage-boosting circuit, so that the transformation ratio of the voltage-boosting transformer in the second-stage voltage-boosting circuit is reduced, the size and weight of the transformer in the actual circuit are effectively reduced, and the design size and overall weight of the high-voltage pulse main machine of the electronic fence are reduced.

Description

Technical Field

[0001] This invention relates to the field of electronic fence technology, specifically to a high-voltage pulse circuit for electronic fences based on a hybrid switched capacitor network and its control method. Background Technology

[0002] With the increasing awareness of security among the public, modern security technologies have developed rapidly. Electronic fences have become the most widely used perimeter security and intrusion prevention products. An electronic fence system is a high-security system that provides active protection. The high-voltage pulse host of the electronic fence can generate intermittent high-voltage pulses, which are supplied to the metal wires of the electronic fence. When there is an illegal intrusion, a high-voltage electric shock will be given to the intruder, and an alarm will be triggered at the same time. This can organically combine the warning and alarm functions, and can also effectively delay the intrusion time from the outside, achieving the goal of prevention first and prevention and alarm combined.

[0003] However, existing electronic fences generally suffer from unstable high-voltage pulses and excessively large and heavy high-voltage pulse generators due to the use of high-ratio step-up transformers, which limits their effectiveness. Summary of the Invention

[0004] To address the aforementioned technical problems, this invention provides an electronic fence high-voltage pulse circuit and its control method based on a hybrid switched capacitor network, which can effectively reduce the size and weight of the transformer in the actual circuit, thereby reducing the design size and overall weight of the electronic fence high-voltage pulse host.

[0005] The technical solution adopted in this invention is as follows:

[0006] A high-voltage pulse circuit for electronic fences based on a hybrid switched-capacitor network is provided. The circuit includes:

[0007] Hybrid switched capacitor network section, flyback boost circuit section;

[0008] The hybrid switched capacitor network includes: MOSFET3, MOSFET4, capacitor C1, diodes D1 to D18, capacitors C162 to C177, capacitor C18, and inductor L1.

[0009] The source of MOSFET 4 is grounded, and the drain of MOSFET 4 is connected to the source of MOSFET 3.

[0010] The source of the field-effect transistor MOS3 is connected to the positive terminal of the input power supply Vin, and the negative terminal of the input power supply Vin is grounded.

[0011] The anode of diode D1 is connected to the drain of MOSFET 3; the cathode of diode D1 is connected to the anode of diode D2; the cathode of diode D2 is connected to the anode of diode D3; the cathode of diode D3 is connected to the anode of diode D4; the cathode of diode D4 is connected to the anode of diode D5; the cathode of diode D5 is connected to the anode of diode D6; the cathode of diode D6 is connected to the anode of diode D7; the cathode of diode D7 is connected to the anode of diode D8; the cathode of diode D8 is connected to the anode of diode D9; and the cathode of diode D9 is connected to diode D10. The anode of diode D10 is connected to the anode of diode D11, the cathode of diode D11 is connected to the anode of diode D12, the cathode of diode D12 is connected to the anode of diode D13, the cathode of diode D13 is connected to the anode of diode D14, the cathode of diode D14 is connected to the anode of diode D15, the cathode of diode D15 is connected to the anode of diode D16, the cathode of diode D16 is connected to the anode of diode D17, the cathode of diode D17 is connected to the anode of diode D18; the cathode of diode D18 is connected to one end of inductor L1.

[0012] One end of capacitor C1 is connected to the cathode of diode D1, and the other end is connected to the source of MOSFET 3. One end of capacitor C162 is connected to the cathode of diode D2, and the other end is grounded. One end of capacitor C163 is connected to the cathode of diode D3, and the other end is connected to the source of MOSFET 3. One end of capacitor C164 is connected to the cathode of diode D4, and the other end is grounded. One end of capacitor C165 is connected to the cathode of diode D5, and the other end is connected to the source of MOSFET 3. One end of capacitor C166 is connected to the cathode of diode D6, and the other end is grounded. One end of capacitor C167 is connected to the cathode of diode D7, and the other end is connected to the source of MOSFET 3. One end of capacitor C168 is connected to the cathode of diode D8, and the other end is grounded. One end of capacitor C169 is connected to the cathode of diode D9, and the other end is connected to the source of MOSFET 3. One end of capacitor C170 is connected to the cathode of diode D10, and the other end is grounded. One end of capacitor C171 is connected to the cathode of diode D11, and the other end is connected to the source of MOSFET 3. One end of capacitor C172 is connected to the cathode of diode D12, and the other end is grounded. One end of capacitor C173 is connected to the cathode of diode D13, and the other end is connected to the source of MOSFET 3. One end of capacitor C174 is connected to diode D12. The cathode of D14 is connected to the cathode of diode D15, and the other end of capacitor C174 is grounded. One end of capacitor C175 is connected to the cathode of diode D15, and the other end of capacitor C175 is connected to the source of MOSFET 3. One end of capacitor C176 is connected to the cathode of diode D16, and the other end of capacitor C176 is grounded. One end of capacitor C177 is connected to the cathode of diode D17, and the other end of capacitor C177 is connected to the source of MOSFET 3. One end of capacitor C18 is connected to the other end of inductor L1, and the other end of capacitor C18 is grounded.

[0013] The flyback boost circuit includes: a field-effect transistor S2, a diode D43, a diode Ds2, a capacitor Cs2, a resistor Rs2, a boost transformer TI2, and a load resistor R5.

[0014] The anode of diode D43 is connected to one end of capacitor C18. The cathode of diode D43 is connected to one end of capacitor Cs2 and one end of resistor Rs2. The other end of capacitor Cs2 and the other end of resistor Rs2 are both connected to the cathode of diode Ds2. The anode of diode Ds2 is connected to the drain of field-effect transistor S2. The source of field-effect transistor S2 is grounded.

[0015] One end of the primary coil of the step-up transformer TI2 is connected to the negative terminal of diode D43, and the other end of the primary coil of the step-up transformer TI2 is connected to the drain of field-effect transistor S2.

[0016] The secondary coil of the step-up transformer TI2 is connected to the two ends of the load resistor R5.

[0017] The gates of MOSFET 3, MOSFET 4, and MOSFET S2 are all connected to pulse signal terminals for controlling the on / off state of the MOSFETs.

[0018] The control method of the above circuit controls the on / off state of the field-effect transistors MOS3 and MOS4 by adjusting their control signals, so that the hybrid switched capacitor network in the circuit can operate in two modes; in conjunction with the flyback boost circuit, the input voltage is increased to the required voltage level; by adjusting the control signal of the field-effect transistor S2, the on / off state of the field-effect transistor is controlled, so that the secondary coil output of the boost transformer TI2 meets the high voltage requirements of the national standard GB / T7946-2015 Pulse Electronic Fence and its Installation and Safe Operation.

[0019] This invention discloses a high-voltage pulse circuit for electronic fences based on a hybrid switched capacitor network and its control method. The technical advantages are as follows:

[0020] 1) The high-voltage pulse circuit of the electronic fence based on the hybrid switched capacitor network increases the input voltage through the first-stage boost circuit, thereby reducing the turns ratio of the boost transformer in the second-stage boost circuit, effectively reducing the size and weight of the transformer in the actual circuit, and thus reducing the design size and overall weight of the high-voltage pulse host of the electronic fence.

[0021] 2) The high voltage pulse output of the electronic fence based on the hybrid switched capacitor network has stable performance and has the advantages of meeting national standards and being safe and reliable. Attached Figure Description

[0022] Figure 1 This is a high-voltage pulse circuit diagram for an electronic fence based on a hybrid switched capacitor network.

[0023] Figure 2(a) shows the equivalent circuit of the hybrid switched capacitor network operating in mode 1;

[0024] Figure 2(b) shows the equivalent circuit of the hybrid switched capacitor network operating in mode 2.

[0025] Figure 3 The waveform of the output voltage Vo of the hybrid switched capacitor network section is shown.

[0026] Figure 4 The waveform of the final output voltage Vfence when using the circuit of the present invention is shown. Detailed Implementation

[0027] High-voltage pulse circuit for electronic fences based on hybrid switched capacitor networks, such as Figure 1As shown, the overall circuit consists of two parts: a hybrid switched capacitor network and a flyback boost circuit.

[0028] The hybrid switched capacitor network includes: MOSFET3, MOSFET4, capacitor C1, diodes D1 to D18, capacitors C162 to C177, capacitor C18, and inductor L1.

[0029] The source of MOSFET 4 is grounded, and the drain of MOSFET 4 is connected to the source of MOSFET 3.

[0030] The source of the field-effect transistor MOS3 is connected to the positive terminal of the input power supply Vin, and the negative terminal of the input power supply Vin is grounded.

[0031] The anode of diode D1 is connected to the drain of MOSFET 3; the cathode of diode D1 is connected to the anode of diode D2; the cathode of diode D2 is connected to the anode of diode D3; the cathode of diode D3 is connected to the anode of diode D4; the cathode of diode D4 is connected to the anode of diode D5; the cathode of diode D5 is connected to the anode of diode D6; the cathode of diode D6 is connected to the anode of diode D7; the cathode of diode D7 is connected to the anode of diode D8; the cathode of diode D8 is connected to the anode of diode D9; and the cathode of diode D9 is connected to diode D10. The anode of diode D10 is connected to the anode of diode D11, the cathode of diode D11 is connected to the anode of diode D12, the cathode of diode D12 is connected to the anode of diode D13, the cathode of diode D13 is connected to the anode of diode D14, the cathode of diode D14 is connected to the anode of diode D15, the cathode of diode D15 is connected to the anode of diode D16, the cathode of diode D16 is connected to the anode of diode D17, the cathode of diode D17 is connected to the anode of diode D18; the cathode of diode D18 is connected to one end of inductor L1.

[0032] One end of capacitor C1 is connected to the cathode of diode D1, and the other end is connected to the source of MOSFET 3. One end of capacitor C162 is connected to the cathode of diode D2, and the other end is grounded. One end of capacitor C163 is connected to the cathode of diode D3, and the other end is connected to the source of MOSFET 3. One end of capacitor C164 is connected to the cathode of diode D4, and the other end is grounded. One end of capacitor C165 is connected to the cathode of diode D5, and the other end is connected to the source of MOSFET 3. One end of capacitor C166 is connected to the cathode of diode D6, and the other end is grounded. One end of capacitor C167 is connected to the cathode of diode D7, and the other end is connected to the source of MOSFET 3. One end of capacitor C168 is connected to the cathode of diode D8, and the other end is grounded. One end of capacitor C169 is connected to the cathode of diode D9, and the other end is connected to the source of MOSFET 3. One end of capacitor C170 is connected to the cathode of diode D10, and the other end is grounded. One end of capacitor C171 is connected to the cathode of diode D11, and the other end is connected to the source of MOSFET 3. One end of capacitor C172 is connected to the cathode of diode D12, and the other end is grounded. One end of capacitor C173 is connected to the cathode of diode D13, and the other end is connected to the source of MOSFET 3. One end of capacitor C174 is connected to diode D12. The cathode of D14 is connected to the cathode of diode D15, and the other end of capacitor C174 is grounded. One end of capacitor C175 is connected to the cathode of diode D15, and the other end of capacitor C175 is connected to the source of MOSFET 3. One end of capacitor C176 is connected to the cathode of diode D16, and the other end of capacitor C176 is grounded. One end of capacitor C177 is connected to the cathode of diode D17, and the other end of capacitor C177 is connected to the source of MOSFET 3. One end of capacitor C18 is connected to the other end of inductor L1, and the other end of capacitor C18 is grounded.

[0033] The flyback boost circuit includes: a field-effect transistor S2, a diode D43, a diode Ds2, a capacitor Cs2, a resistor Rs2, a boost transformer TI2, and a load resistor R5.

[0034] The anode of diode D43 is connected to one end of capacitor C18. The cathode of diode D43 is connected to one end of capacitor Cs2 and one end of resistor Rs2. The other end of capacitor Cs2 and the other end of resistor Rs2 are both connected to the cathode of diode Ds2. The anode of diode Ds2 is connected to the drain of field-effect transistor S2. The source of field-effect transistor S2 is grounded.

[0035] One end of the primary coil N1 of the step-up transformer TI2 is connected to the negative terminal of diode D43, and the other end of the primary coil of the step-up transformer TI2 is connected to the drain of field-effect transistor S2.

[0036] The secondary coil N2 of the step-up transformer TI2 is connected to the two ends of the load resistor R5 respectively.

[0037] The gates of MOSFET 3, MOSFET 4, and MOSFET S2 are all connected to pulse signal terminals for controlling the on / off state of the MOSFETs.

[0038] like Figure 1 As shown, for the hybrid switched capacitor network section, the gates of MOSFETs MOS3 and MOS4 are connected to pulse signals to control the on / off state of the MOSFETs, so that the hybrid switched capacitor network operates in two modes: mode 1 is when MOSFET MOS3 is on and MOSFET MOS4 is off.

[0039] In mode 2, MOSFET MOS3 is turned off and MOSFET MOS4 is turned on.

[0040] When the hybrid switched capacitor network operates in mode 1, i.e., when MOSFET 3 is on and MOSFET 4 is off, diodes D1, D3, D5, D7, D9, D11, D13, D15, and D17 are reverse-biased and cut off, while diodes D2, D4, D6, D8, D10, D12, D14, D16, and D18 are forward-biased. At this time, the hybrid switched capacitor network can be equivalent to the circuit shown in Figure 2(a). As shown in Figure 2(a), at this time:

[0041] The input power supply Vin is connected in series with capacitor C1 to charge capacitor C162. After mode 1 ends, the voltage of capacitor C2 is 2Vin.

[0042] The input power supply Vin is connected in series with capacitor C163 to charge capacitor C164. After mode 1 ends, the voltage of capacitor C164 is 3Vin.

[0043] The input power supply Vin is connected in series with the capacitor C165 to charge the capacitor C166. After mode 1 ends, the voltage of capacitor C166 is 4Vin.

[0044] The input power supply Vin is connected in series with capacitor C167 to charge capacitor C168. After mode 1 ends, the voltage of capacitor C168 is 5Vin.

[0045] The input power supply Vin is connected in series with capacitor C169 to charge capacitor C170. After mode 1 ends, the voltage of capacitor C170 is 6Vin.

[0046] The input power supply Vin is connected in series with capacitor C171 to charge capacitor C172. After mode 1 ends, the voltage of capacitor C172 is 7Vin.

[0047] The input power supply Vin is connected in series with capacitor C173 to charge capacitor C174. After mode 1 ends, the voltage of capacitor C174 is 8Vin.

[0048] The input power supply Vin is connected in series with capacitor C175 to charge capacitor C176. After mode 1 ends, the voltage of capacitor C176 is 9Vin.

[0049] The input power supply Vin is connected in series with capacitor C177, and capacitor C18 is charged through inductor L1. After mode 1 ends, the voltage of capacitor C18 is 10Vin.

[0050] When the hybrid switched capacitor network operates in mode 2, i.e., when MOSFET 3 is off and MOSFET 4 is on, diodes D1, D3, D5, D7, D9, D11, D13, D15, D17, and D18 are forward-biased, while diodes D2, D4, D6, D8, D10, D12, D14, and D16 are reverse-biased and cut off. At this time, the hybrid switched capacitor network can be equivalent to the circuit shown in Figure 2(b). As shown in Figure 2(b), at this time:

[0051] The input power supply Vin is connected in parallel with the capacitor C1. The input power supply Vin charges the capacitor C1. After mode 2 ends, the voltage of capacitor C1 is Vin.

[0052] Capacitors C162 and C163 are connected in parallel. Capacitor C162 charges capacitor C163. After mode 2 ends, the voltage of capacitor C163 is 2Vin.

[0053] Capacitors C164 and C165 are connected in parallel. Capacitor C164 charges capacitor C165. After mode 2 ends, the voltage of capacitor C165 is 3Vin.

[0054] Capacitors C166 and C167 are connected in parallel. Capacitor C166 charges capacitor C167. After mode 2 ends, the voltage of capacitor C167 is 4Vin.

[0055] Capacitors C168 and C169 are connected in parallel. Capacitor C168 charges capacitor C169. After mode 2 ends, the voltage of capacitor C169 is 5Vin.

[0056] Capacitor C170 is connected in parallel with capacitor C171. Capacitor C170 charges capacitor C171. After mode 2 ends, the voltage of capacitor C171 is 6Vin.

[0057] Capacitors C172 and C173 are connected in parallel. Capacitor C172 charges capacitor C173. After mode 2 ends, the voltage of capacitor C173 is 7Vin.

[0058] Capacitors C174 and C175 are connected in parallel. Capacitor C174 charges capacitor C175. After mode 2 ends, the voltage of capacitor C175 is 8Vin.

[0059] Capacitors C176 and C177 are connected in parallel. Capacitor C176 charges capacitor C177. After mode 2 ends, the voltage of capacitor C177 is 9Vin.

[0060] Capacitor C177 supplies power to capacitor C18; inductor L1 and capacitor (C177) resonate to achieve soft switching function and improve the overall working efficiency of the circuit.

[0061] like Figure 1 As shown, the flyback boost circuit includes a field-effect transistor (FET) S2, diodes D43 and Ds2, a capacitor Cs2, a resistor Rs2, a boost transformer TI2, and a load resistor R5. The gate of FET S2 is connected to a pulse signal to control its on / off state, thereby meeting the basic parameters required by the national standard GB / T7946-2015 "Pulse Electronic Fence and its Installation and Safe Operation," namely, pulse output charge: ≤2.5mC; pulse output energy: ≤5.0J.

[0062] Diode Ds2, capacitor Cs2, resistor Rs2, and the primary coil of step-up transformer TI2 constitute an energy release circuit. When MOSFET S2 is turned on, the energy stored in the primary coil of step-up transformer TI2 increases. When MOSFET S2 is turned off, the magnetic field energy in step-up transformer TI2 is released to the output load resistor R5 through the secondary coil.

[0063] Figure 3 This is a waveform diagram of the output voltage Vo of the hybrid switched-capacitor network section. From... Figure 3 As can be seen, the input voltage Vin of the pulse generator increases by about ten times from 12V through the hybrid switched capacitor network under the alternating on / off of MOSFETs MOS3 and MOS4. Considering the forward voltage drop of diodes D1 to D18 in the hybrid switched capacitor network, the output voltage of the hybrid switched capacitor network cannot actually reach the ideal 120V.

[0064] Figure 4 The image shows the waveform of the final output voltage Vfence when the circuit of this invention is used. The output voltage Vo of the hybrid switched capacitor network section, under the action of the boost transformer TI2 and the field-effect transistor S2 in the flyback boost circuit section, outputs the final pulse voltage Vfence. Figure 4 It can be clearly seen that when using the circuit of this invention, the final output voltage Vfence is above 4.5kV and the pulse width is much less than 0.1s, which meets the basic parameters required by the national standard.

[0065] By using a hybrid switched capacitor network and flyback boost circuit, the input voltage is increased to the required voltage level. The output voltage of the high-voltage pulse host of the electronic fence of this invention meets all the basic parameters required by the national standard "GB / T7946-2015 Pulse Electronic Fence and its Installation and Safe Operation".

Claims

1. A high-voltage pulse circuit for an electronic fence based on a hybrid switched capacitor network, characterized in that... The circuit includes: a hybrid switched capacitor network section and a flyback boost circuit section; The hybrid switched capacitor network includes: MOSFET3, MOSFET4, capacitor C1, diodes D1 to D18, capacitors C162 to C177, capacitor C18, and inductor L1. The source of MOSFET 4 is grounded, and the drain of MOSFET 4 is connected to the source of MOSFET 3. The source of the field-effect transistor MOS3 is connected to the positive terminal of the input power supply Vin, and the negative terminal of the input power supply Vin is grounded. The anode of diode D1 is connected to the drain of MOSFET 3; the cathode of diode D1 is connected to the anode of diode D2; the cathode of diode D2 is connected to the anode of diode D3; the cathode of diode D3 is connected to the anode of diode D4; the cathode of diode D4 is connected to the anode of diode D5; the cathode of diode D5 is connected to the anode of diode D6; the cathode of diode D6 is connected to the anode of diode D7; the cathode of diode D7 is connected to the anode of diode D8; the cathode of diode D8 is connected to the anode of diode D9; and the cathode of diode D9 is connected to diode D10. The anode of diode D10 is connected to the anode of diode D11, the cathode of diode D11 is connected to the anode of diode D12, the cathode of diode D12 is connected to the anode of diode D13, the cathode of diode D13 is connected to the anode of diode D14, the cathode of diode D14 is connected to the anode of diode D15, the cathode of diode D15 is connected to the anode of diode D16, the cathode of diode D16 is connected to the anode of diode D17, the cathode of diode D17 is connected to the anode of diode D18; the cathode of diode D18 is connected to one end of inductor L1. One end of capacitor C1 is connected to the cathode of diode D1, and the other end is connected to the source of MOSFET 3. One end of capacitor C162 is connected to the cathode of diode D2, and the other end is grounded. One end of capacitor C163 is connected to the cathode of diode D3, and the other end is connected to the source of MOSFET 3. One end of capacitor C164 is connected to the cathode of diode D4, and the other end is grounded. One end of capacitor C165 is connected to the cathode of diode D5, and the other end is connected to the source of MOSFET 3. One end of capacitor C166 is connected to the cathode of diode D6, and the other end is grounded. One end of capacitor C167 is connected to the cathode of diode D7, and the other end is connected to the source of MOSFET 3. One end of capacitor C168 is connected to the cathode of diode D8, and the other end is grounded. One end of capacitor C169 is connected to the cathode of diode D9, and the other end is connected to the source of MOSFET 3. One end of capacitor C170 is connected to the cathode of diode D10, and the other end is grounded. One end of capacitor C171 is connected to the cathode of diode D11, and the other end is connected to the source of MOSFET 3. One end of capacitor C172 is connected to the cathode of diode D12, and the other end is grounded. One end of capacitor C173 is connected to the cathode of diode D13, and the other end is connected to the source of MOSFET 3. One end of capacitor C174 is connected to diode D12. The cathode of D14 is connected to the cathode of diode D15, and the other end of capacitor C174 is grounded. One end of capacitor C175 is connected to the cathode of diode D15, and the other end of capacitor C175 is connected to the source of MOSFET 3. One end of capacitor C176 is connected to the cathode of diode D16, and the other end of capacitor C176 is grounded. One end of capacitor C177 is connected to the cathode of diode D17, and the other end of capacitor C177 is connected to the source of MOSFET 3. One end of capacitor C18 is connected to the other end of inductor L1, and the other end of capacitor C18 is grounded. The flyback boost circuit includes: a field-effect transistor S2, a diode D43, a diode Ds2, a capacitor Cs2, a resistor Rs2, a boost transformer TI2, and a load resistor R5. The anode of diode D43 is connected to one end of capacitor C18. The cathode of diode D43 is connected to one end of capacitor Cs2 and one end of resistor Rs2. The other end of capacitor Cs2 and the other end of resistor Rs2 are both connected to the cathode of diode Ds2. The anode of diode Ds2 is connected to the drain of field-effect transistor S2. The source of field-effect transistor S2 is grounded. One end of the primary coil of the step-up transformer TI2 is connected to the negative terminal of diode D43, and the other end of the primary coil of the step-up transformer TI2 is connected to the drain of field-effect transistor S2. The secondary coil of the step-up transformer TI2 is connected to the two ends of the load resistor R5.

2. The high-voltage pulse circuit for electronic fences based on a hybrid switched capacitor network according to claim 1, characterized in that: The gates of MOSFET 3, MOSFET 4, and MOSFET S2 are all connected to pulse signal terminals for controlling the on / off state of the MOSFETs.

3. The control method for the high-voltage pulse circuit of the electronic fence as described in claim 1 or 2, characterized in that: For the hybrid switched capacitor network section, pulse signals are connected to the gates of MOSFETs MOS3 and MOS4 to control the on / off state of the MOSFETs, enabling the hybrid switched capacitor network to operate in two modes: Mode 1 is when MOSFET 3 is turned on and MOSFET 4 is turned off; Mode 2 is when MOSFET 3 is off and MOSFET 4 is on; When the hybrid switched capacitor network operates in mode 1, diodes D1, D3, D5, D7, D9, D11, D13, D15, and D17 are reverse-biased and cut off, while diodes D2, D4, D6, D8, D10, D12, D14, D16, and D18 are forward-biased. At this time: The input power supply Vin is connected in series with capacitor C1 to charge capacitor C162. After mode 1 ends, the voltage of capacitor C2 is 2Vin. The input power supply Vin is connected in series with capacitor C163 to charge capacitor C164. After mode 1 ends, the voltage of capacitor C164 is 3Vin. The input power supply Vin is connected in series with the capacitor C165 to charge the capacitor C166. After mode 1 ends, the voltage of capacitor C166 is 4Vin. The input power supply Vin is connected in series with capacitor C167 to charge capacitor C168. After mode 1 ends, the voltage of capacitor C168 is 5Vin. The input power supply Vin is connected in series with capacitor C169 to charge capacitor C170. After mode 1 ends, the voltage of capacitor C170 is 6Vin. The input power supply Vin is connected in series with capacitor C171 to charge capacitor C172. After mode 1 ends, the voltage of capacitor C172 is 7Vin. The input power supply Vin is connected in series with capacitor C173 to charge capacitor C174. After mode 1 ends, the voltage of capacitor C174 is 8Vin. The input power supply Vin is connected in series with capacitor C175 to charge capacitor C176. After mode 1 ends, the voltage of capacitor C176 is 9Vin. The input power supply Vin is connected in series with capacitor C177, and capacitor C18 is charged through inductor L1. After mode 1 ends, the voltage of capacitor C18 is 10Vin. When the hybrid switched capacitor network operates in mode 2, diodes D1, D3, D5, D7, D9, D11, D13, D15, D17, and D18 are forward-biased, while diodes D2, D4, D6, D8, D10, D12, D14, and D16 are reverse-biased and cut off. At this time: The input power supply Vin is connected in parallel with the capacitor C1. The input power supply Vin charges the capacitor C1. After mode 2 ends, the voltage of capacitor C1 is Vin. Capacitors C162 and C163 are connected in parallel. Capacitor C162 charges capacitor C163. After mode 2 ends, the voltage of capacitor C163 is 2Vin. Capacitors C164 and C165 are connected in parallel. Capacitor C164 charges capacitor C165. After mode 2 ends, the voltage of capacitor C165 is 3Vin. Capacitors C166 and C167 are connected in parallel. Capacitor C166 charges capacitor C167. After mode 2 ends, the voltage of capacitor C167 is 4Vin. Capacitors C168 and C169 are connected in parallel. Capacitor C168 charges capacitor C169. After mode 2 ends, the voltage of capacitor C169 is 5Vin. Capacitor C170 is connected in parallel with capacitor C171. Capacitor C170 charges capacitor C171. After mode 2 ends, the voltage of capacitor C171 is 6Vin. Capacitors C172 and C173 are connected in parallel. Capacitor C172 charges capacitor C173. After mode 2 ends, the voltage of capacitor C173 is 7Vin. Capacitors C174 and C175 are connected in parallel. Capacitor C174 charges capacitor C175. After mode 2 ends, the voltage of capacitor C175 is 8Vin. Capacitors C176 and C177 are connected in parallel. Capacitor C176 charges capacitor C177. After mode 2 ends, the voltage of capacitor C177 is 9Vin. Capacitor C177 supplies power to capacitor C18; inductor L1 and capacitor C177 form a resonance, realizing soft switching function and improving the overall working efficiency of the circuit.

4. The control method for the high-voltage pulse circuit of the electronic fence as described in claim 1 or 2, characterized in that: Diode Ds2, capacitor Cs2, resistor Rs2, and the primary coil of step-up transformer TI2 constitute an energy release circuit. When field-effect transistor S2 is turned on, the energy stored in the primary coil of step-up transformer TI2 increases. When field-effect transistor S2 is turned off, the magnetic field energy in step-up transformer TI2 is released to the output load resistor R5 through the secondary coil.

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