Safety locking device for climbing-free device switch of wind generating set

Abstract

The utility model relates to a safety locking device for a climbing-free device switch of a wind generating set. The safety locking device comprises a storage battery, an emergency stop switch unit, a proximity switch unit, a left power switch unit, a right power switch unit, a transmitting unit, a receiving unit, a voltage transformation unit, a motor driving unit and a lifting motor, the storage battery is connected with the transmitting unit by connecting the emergency stop switch unit, the proximity switch unit, the left power switch unit and the right power switch unit in series, the signal output end of the receiving unit is connected with the control end of the motor driving unit, one end of the motor driving unit is connected with a power source, and the input end of the voltage transformation unit is connected with the power source. The other end of the motor driving unit is connected with a lifting motor; and the transmitting unit is in wireless pairing connection with the receiving unit. According to the anti-falling device, the safety risk caused when an operator forgets to install the anti-falling device and the climbing-free device of the wind generating set performs lifting operation can be prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of wind turbine non - climbers, and particularly relates to a safety locking device for a wind turbine non - climber switch. Background Art

[0002] Due to the high tower of the wind turbine, in order to facilitate maintenance personnel to climb up and down the tower, a non - climber is installed at the tower ladder. When using the non - climber, personnel need to wear a safety belt and a fall arrester. However, due to the uneven safety awareness of on - site maintenance personnel, some people use the non - climber to board the plane without wearing a safety belt and a fall arrester for convenience, which poses a risk of personnel falling from a height; there is no corresponding safety monitoring device for the fall arrester on the existing non - climber, resulting in safety risks when using the non - climber. Content of the Utility Model

[0003] In order to solve the technical problems such as the lack of a corresponding safety monitoring device for the fall arrester on the existing non - climber, resulting in safety risks when using the non - climber, the utility model provides a safety locking device for a wind turbine non - climber switch.

[0004] The technical solution of the utility model to solve the above - mentioned technical problems is as follows:

[0005] A safety locking device for a wind turbine non - climber switch includes a storage battery, an emergency stop switch unit, a proximity switch unit, a left power switch unit, a right power switch unit, a transmitting unit, a receiving unit, a voltage transformation unit, a motor driving unit and a lifting motor; the positive pole of the storage battery is connected to one end of the emergency stop switch unit, the other end of the emergency stop switch unit is connected to one end of the proximity switch unit, the other end of the proximity switch unit is connected to one end of the left power switch unit, the other end of the left power switch unit is connected to one end of the right power switch unit, the other end of the right power switch unit is connected to the positive pole of the power input end of the transmitting unit, and the negative pole of the power input end of the transmitting unit is connected to the negative pole of the storage battery;

[0006] The signal output end of the receiving unit is connected to the control end of the motor driving unit, one end of the motor driving unit is connected to a power supply, the input end of the voltage transformation unit is connected to a power supply, and the other end of the motor driving unit is connected to the lifting motor; the transmitting unit and the receiving unit are wirelessly paired and connected.

[0007] The beneficial effects of the present utility model are as follows: when the anti-falling device is not installed on the T-shaped groove of the lifting guide rail, the proximity switch unit is disconnected; when the anti-falling device is installed on the T-shaped groove of the lifting guide rail, after the anti-falling device approaches the proximity switch unit, the proximity switch unit is connected; when the operator turns on the left power switch unit and the right power switch unit simultaneously, the transmitting unit is powered on, and the lifting control operation of the lifting motor can be normally carried out; by setting the proximity switch unit, it can prevent the lifting operation brought about when the wind turbine climber performs the lifting operation when the operator forgets to install the anti-falling device.

[0008] On the basis of the above technical solution, the present utility model can be further improved as follows.

[0009] Furthermore, it further includes a first motor switch unit and a second motor switch unit. The data input ends of the transmitting unit are respectively connected to one end of the first motor switch unit and one end of the second motor switch unit, and the other ends of the first motor switch unit and the second motor switch unit are both grounded.

[0010] The beneficial effect of adopting the above further solution is that by setting the first motor switch unit and the second motor switch unit, the rotation of the lifting motor can be controlled respectively through the first motor switch unit and the second motor switch unit.

[0011] Furthermore, the proximity switch unit includes a proximity switch, a resistor R1, a MOS transistor Q1, a resistor R2, and a relay JK1. The positive pole of the power input end of the proximity switch is connected to the positive pole of the storage battery, the negative pole of the power input end of the proximity switch is connected to the negative pole of the storage battery, the output end of the proximity switch is connected to one end of the resistor R1, the other end of the resistor R1 is connected to the gate of the MOS transistor Q1, the drain of the MOS transistor Q1 is connected to the other end of the emergency stop switch unit, the source of the MOS transistor Q1 is connected to one end of the coil of the relay JK1, the other end of the coil of the relay JK1 is connected to one end of the resistor R2, and the other end of the resistor R2 is connected to the negative pole of the storage battery; one end of the normally open contact of the relay JK1 is connected to the other end of the right power switch unit, and the other end of the normally open contact of the relay JK1 is connected to the positive pole of the power input end of the transmitting unit.

[0012] Further, the transmitting unit includes an encoder chip U1, a radio frequency transmitter U2, and a resistor R3. The power input terminals of the encoder chip U1 and the radio frequency transmitter U2 are both connected to the other end of the normally open contact of the relay JK1. The input terminal of the internal oscillator of the encoder chip U1 is connected to one end of the resistor R3, and the output terminal of the internal oscillator of the encoder chip U1 is connected to the other end of the resistor R3. The data output terminal of the encoder chip U1 is connected to the data input terminal of the radio frequency transmitter U2. The data input terminals of the encoder chip U1 are respectively connected to one end of the first motor switch unit and one end of the second motor switch unit.

[0013] Further, the receiving unit includes a decoder chip U3, a resistor R5, and a radio frequency receiver U4. The data input terminal of the decoder chip U3 is connected to the data output terminal of the radio frequency receiver U4. The input terminal of the internal oscillator of the decoder chip U3 is connected to one end of the resistor R5, and the output terminal of the internal oscillator of the decoder chip U3 is connected to the other end of the resistor R5. The data output terminal of the decoder chip U3 is connected to the control terminal of the motor drive unit.

[0014] Further, the receiving unit further includes an indicator light circuit. The indicator light circuit includes a resistor R4 and a light emitting diode D1. One end of the resistor R4 is connected to the valid transmission output terminal of the decoder chip U3, the other end of the resistor R4 is connected to the positive electrode of the light emitting diode D1, and the negative electrode of the light emitting diode D1 is grounded.

[0015] The beneficial effect of adopting the above further solution is that by setting the indicator light circuit, when the decoder chip U3 receives valid data, the valid transmission output terminal of the decoder chip U3 is at a high level, and the light emitting diode D1 emits light, so it can be judged whether the decoder chip U3 has valid data input by whether the light emitting diode D1 emits light.

[0016] Further, a power conversion unit is further included. The input end of the power conversion unit is connected to the commercial power, and the output end of the power conversion unit is respectively connected to the power supply terminal of the decoder chip U3 and the power supply terminal of the radio frequency receiver U4. The grounding terminals of the decoder chip U3 and the radio frequency receiver U4 are both grounded.

[0017] The beneficial effect of adopting the above further solution is that by setting the power conversion unit, the commercial power can be converted into direct current to supply power to the decoder chip U3 and the radio frequency receiver U4.

[0018] Further, the motor drive unit includes a first drive unit and a second drive unit. The data output terminals of the decoder chip U3 are respectively connected to the control terminals of the first drive unit and the second drive unit. One end of the first drive unit is connected to the mains power supply, and the other end of the first drive unit is connected to the lifting motor through a motor forward rotation control switch. One end of the second drive unit is connected to the mains power supply, and the other end of the second drive unit is connected to the lifting motor through a motor reverse rotation control switch.

[0019] Further, the first drive unit includes a resistor R6, a MOS transistor Q2, a relay JK2, a resistor R8, a resistor R7, a MOS transistor Q3, a relay JK3, and a resistor R9. The data output terminals of the decoder chip U3 are respectively connected to one end of the resistor R6 and one end of the resistor R7. The other end of the resistor R6 is connected to the gate of the MOS transistor Q2. The drain of the MOS transistor Q2 is connected to the output terminal of the power conversion unit. The source of the MOS transistor Q2 is connected to one end of the coil of the relay JK2. The other end of the coil of the relay JK2 is connected to one end of the resistor R8. The other end of the resistor R8 is grounded. One end of the normally open contact of the relay JK2 is connected to the mains power supply, and the other end of the normally open contact of the relay JK2 is connected to the lifting motor through the motor forward rotation control switch.

[0020] The other end of the resistor R7 is connected to the gate of the MOS transistor Q3. The drain of the MOS transistor Q3 is connected to the output terminal of the power conversion unit. The source of the MOS transistor Q3 is connected to one end of the coil of the relay JK3. The other end of the coil of the relay JK3 is connected to one end of the resistor R9. The other end of the resistor R9 is grounded. One end of the normally open contact of the relay JK3 is connected to the mains power supply, and the other end of the normally open contact of the relay JK3 is connected to the lifting motor through the motor reverse rotation control switch.

[0021] Further, the relay JK2 and the relay JK3 are interlocked with each other.

[0022] The beneficial effect of adopting the above further solution is that by interlocking the relay JK2 and the relay JK3, it is possible to prevent the relay JK2 and the relay JK3 from being triggered simultaneously, causing a short circuit. Description of the Drawings

[0023] Figure 1 is the circuit principle block diagram of the present utility model;

[0024] Figure 2 is the circuit of the present utility model Figure 1 ;

[0025] Figure 3 is the circuit of the present utility modelFigure 2 ;

[0026] Figure 4 is the installation structure of the present utility model Figure 1 ;

[0027] Figure 5 is the installation structure of the present utility model Figure 2 ;

[0028] Figure 6 is the installation structure of the present utility model Figure 3 .

[0029] In the attached drawings, the list of components represented by each reference numeral is as follows:

[0030] 1 - lift, 2 - lifting guide rail, 3 - T-shaped groove, 4 - proximity switch, 5 - anti-falling device. Specific embodiments

[0031] The principles and features of the present utility model will be described below with reference to the attached drawings. The examples given are only for explaining the present utility model and are not intended to limit the scope of the present utility model.

[0032] As Figure 1 shown, this embodiment provides a safety locking device for a wind turbine non-climbing switch, including a storage battery, an emergency stop switch unit, a proximity switch unit, a left power switch unit, a right power switch unit, a transmitting unit, a receiving unit, a voltage transformation unit, a motor driving unit, and a lifting motor; the positive pole of the storage battery is connected to one end of the emergency stop switch unit, the other end of the emergency stop switch unit is connected to one end of the proximity switch unit, the other end of the proximity switch unit is connected to one end of the left power switch unit, the other end of the left power switch unit is connected to one end of the right power switch unit, the other end of the right power switch unit is connected to the positive pole of the power input end of the transmitting unit, and the negative pole of the power input end of the transmitting unit is connected to the negative pole of the storage battery; the signal output end of the receiving unit is connected to the control end of the motor driving unit, one end of the motor driving unit is connected to a power supply, the input end of the voltage transformation unit is connected to a power supply, and the other end of the motor driving unit is connected to the lifting motor; the transmitting unit and the receiving unit are wirelessly paired and connected.

[0033] It further includes a first motor switch unit and a second motor switch unit. The data input ends of the transmitting unit are respectively connected to one end of the first motor switch unit and one end of the second motor switch unit, and the other ends of the first motor switch unit and the second motor switch unit are both grounded. By setting the first motor switch unit and the second motor switch unit, the rotation of the lifting motor can be controlled respectively through the first motor switch unit and the second motor switch unit.

[0034] As Figure 2 shown, the proximity switch unit includes a proximity switch, a resistor R1, a MOS transistor Q1, a resistor R2, and a relay JK1. The positive pole of the power input terminal of the proximity switch is connected to the positive pole of the storage battery, and the negative pole of the power input terminal of the proximity switch is connected to the negative pole of the storage battery. The output terminal of the proximity switch is connected to one end of the resistor R1, the other end of the resistor R1 is connected to the gate of the MOS transistor Q1, the drain of the MOS transistor Q1 is connected to the other end of the emergency stop switch unit, the source of the MOS transistor Q1 is connected to one end of the coil of the relay JK1, the other end of the coil of the relay JK1 is connected to one end of the resistor R2, and the other end of the resistor R2 is connected to the negative pole of the storage battery; one end of the normally open contact of the relay JK1 is connected to the other end of the right power switch unit, and the other end of the normally open contact of the relay JK1 is connected to the positive pole of the power input terminal of the transmitting unit.

[0035] The emergency stop switch unit includes an emergency stop switch JAT, the left power switch unit includes a push switch K1, the right power switch unit includes a push switch K2. The positive pole of the storage battery is connected to one end of the emergency stop switch JAT, the other end of the emergency stop switch JAT is connected to one end of the push switch K1, the other end of the push switch K1 is connected to one end of the push switch K2, and the other end of the push switch K2 is connected to one end of the normally open contact of the relay JK1. When the fall arrester 5 approaches the proximity switch, the proximity switch outputs a high level to drive the MOS transistor Q1 to conduct, the magnetoelectric coil of the relay JK1 is energized, and the normally open contact of the relay JK1 closes. At this time, as long as the switches K1 and K2 are turned on, the reflector can be normally powered on.

[0036] The transmitting unit includes an encoder chip U1, a radio frequency transmitter U2, and a resistor R3. The power input terminals of the encoder chip U1 and the radio frequency transmitter U2 are both connected to the other end of the normally open contact of the relay JK1. The input terminal of the internal oscillator of the encoder chip U1 is connected to one end of the resistor R3, the output terminal of the internal oscillator of the encoder chip U1 is connected to the other end of the resistor R3, and the data output terminal of the encoder chip U1 is connected to the data input terminal of the radio frequency transmitter U2; the data input terminals of the encoder chip U1 are respectively connected to one end of the first motor switch unit and one end of the second motor switch unit. Among them, the model of the encoder chip U1 is HT12E, and the radio frequency transmitter U2 is the transmitting module of the RF433 wireless transceiver module. The antenna interface ANT of the radio frequency transmitter U2 is connected to the antenna.

[0037] The first motor switch unit includes a switch K3, and the second motor switch unit includes a switch K4. One end of the switch K3 is connected to the data input terminal AD3 of the encoder chip U1, and one end of the switch K4 is connected to the data input terminal AD2 of the encoder chip U1. The other ends of the switch K3 and the switch K4 are both grounded.

[0038] As Figure 3 shown, the receiving unit includes a decoder chip U3, a resistor R5, and a radio frequency receiver U4. The data input terminal of the decoder chip U3 is connected to the data output terminal of the radio frequency receiver U4. The input terminal OSC1 of the internal oscillator of the decoder chip U3 is connected to one end of the resistor R5, and the output terminal OSC2 of the internal oscillator of the decoder chip U3 is connected to the other end of the resistor R5. The data output terminal of the decoder chip U3 is connected to the control terminal of the motor drive unit. Among them, the model of the decoder chip U3 is HT12D, and the radio frequency receiver U4 is the receiving module of the RF433 wireless transceiver module. The antenna interface ANT of the radio frequency receiver U4 is connected to the antenna.

[0039] The receiving unit further includes an indicator light circuit. The indicator light circuit includes a resistor R4 and a light-emitting diode D1. One end of the resistor R4 is connected to the valid transmission output terminal of the decoder chip U3, the other end of the resistor R4 is connected to the positive electrode of the light-emitting diode D1, and the negative electrode of the light-emitting diode D1 is grounded. By setting the indicator light circuit, when the decoder chip U3 receives valid data, the valid transmission output terminal of the decoder chip U3 is at a high level, and the light-emitting diode D1 emits light. It can be judged whether the decoder chip U3 has valid data input by whether the light-emitting diode D1 emits light.

[0040] It further includes a power conversion unit. The input end of the power conversion unit is connected to the mains, and the output end of the power conversion unit is respectively connected to the power supply terminal of the decoder chip U3 and the power supply terminal of the radio frequency receiver U4. The grounding terminals of the decoder chip U3 and the radio frequency receiver U4 are both grounded. By setting the power conversion unit, the mains can be converted into direct current to supply power to the decoder chip U3 and the radio frequency receiver U4.

[0041] The motor drive unit includes a first drive unit and a second drive unit. The data output terminal of the decoder chip U3 is respectively connected to the control terminal of the first drive unit and the control terminal of the second drive unit. One end of the first drive unit is connected to the mains, and the other end of the first drive unit is connected to the lifting motor through a motor forward rotation control switch; one end of the second drive unit is connected to the mains, and the other end of the second drive unit is connected to the lifting motor through a motor reverse rotation control switch.

[0042] The first driving unit includes a resistor R6, a MOS transistor Q2, a relay JK2, a resistor R8, a resistor R7, a MOS transistor Q3, a relay JK3, and a resistor R9; the data output terminals of the decoder chip U3 are respectively connected to one end of the resistor R6 and one end of the resistor R7, the other end of the resistor R6 is connected to the gate of the MOS transistor Q2, the drain of the MOS transistor Q2 is connected to the output terminal of the power conversion unit, the source of the MOS transistor Q2 is connected to one end of the coil of the relay JK2, the other end of the coil of the relay JK2 is connected to one end of the resistor R8, the other end of the resistor R8 is grounded, one end of the normally open contact of the relay JK2 is connected to the mains power, and the other end of the normally open contact of the relay JK2 is connected to the lifting motor through the forward rotation control switch of the motor; the other end of the resistor R7 is connected to the gate of the MOS transistor Q3, the drain of the MOS transistor Q3 is connected to the output terminal of the power conversion unit, the source of the MOS transistor Q3 is connected to one end of the coil of the relay JK3, the other end of the coil of the relay JK3 is connected to one end of the resistor R9, the other end of the resistor R9 is grounded, one end of the normally open contact of the relay JK3 is connected to the mains power, and the other end of the normally open contact of the relay JK3 is connected to the lifting motor through the reverse rotation control switch of the motor.

[0043] After the switch K3 is pressed, the encoder chip U1 encodes the low-level signal after grounding the switch K3, and the encoded signal is sent to the decoder chip U3 through radio frequency for decoding, and then outputs a rising control signal; after the rising control signal is sent to the decoder chip U3 through radio frequency for decoding, it outputs a first control signal, the first control signal is a high-level signal, the first control signal controls the MOS transistor Q2 to conduct, the coil of the relay JK2 is energized, the normally open contact of the relay JK2 is closed, the forward rotation control switch of the motor is closed, the lifting motor rotates forward, and the free climber rises.

[0044] Or after the switch K4 is pressed, the encoder chip U1 encodes the low-level signal after grounding the switch K4, and the encoded signal is sent to the decoder chip U3 through radio frequency for decoding, and then outputs a falling control signal; after the falling control signal is sent to the decoder chip U3 through radio frequency for decoding, it outputs a second control signal, the second control signal is a high-level signal, the second control signal controls the MOS transistor Q3 to conduct, the coil of the relay JK3 is energized, the normally open contact of the relay JK3 is closed, the reverse rotation control switch of the motor is closed, the lifting motor rotates in reverse, and the free climber descends.

[0045] The relay JK2 and the relay JK3 are interlocked. The normally closed contact of the relay JK2 is connected in series with the coil of the relay K3, and the normally closed contact of the relay JK3 is connected in series with the coil of the relay K2. By interlocking the relay JK2 and the relay JK3, it is possible to prevent a short circuit caused by the simultaneous triggering of the relay JK2 and the relay JK3.

[0046] As Figure 4 shown, the lift 1 is fitted with a T-shaped slider into a T-shaped groove 3 on the lifting guide rail 2, and a proximity switch 4 is mounted on the lift 1, with the proximity switch 4 close to the T-shaped groove 3.

[0047] As Figure 5 shown, the proximity switch 4 is embedded in the upper end of the lift 1, and the proximity switch 4 is located at the middle position of the T-shaped groove 3.

[0048] As Figure 6 shown, after the anti-falling device 5 is installed on the T-shaped groove 3, it can just touch or be close to the proximity switch 4, so as to trigger the proximity switch 4.

[0049] It should be noted that in the present utility model, the connections between electrical components are indicated as being electrically connected by wires or conductors. The connections between electrical components and electrical appliances are also indicated as being electrically connected by wires or conductors.

[0050] When the anti-falling device 5 is not installed on the T-shaped groove 3 of the lifting guide rail 2, the proximity switch unit is disconnected. When the anti-falling device 5 is installed on the T-shaped groove 3 of the lifting guide rail 2, after the anti-falling device 5 approaches the proximity switch unit, the proximity switch unit is turned on; when the operator turns on the left power switch unit and the right power switch unit at the same time, the transmitting unit is powered on and can normally perform the lifting control operation of the lifting motor; by setting the proximity switch unit, it is possible to prevent the lifting operation brought about when the operator forgets to install the anti-falling device 5 and the wind turbine free climber performs the lifting operation.

[0051] The above are only the preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the concept and principles of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A wind turbine generator set anti-climbing switch safety locking device, characterized in that: It includes a storage battery, an emergency stop switch unit, a proximity switch unit, a left power switch unit, a right power switch unit, a transmitting unit, a receiving unit, a transformer unit, a motor drive unit and a lifting motor; the positive pole of the storage battery is connected to one end of the emergency stop switch unit, the other end of the emergency stop switch unit is connected to one end of the proximity switch unit, the other end of the proximity switch unit is connected to one end of the left power switch unit, the other end of the left power switch unit is connected to one end of the right power switch unit, the other end of the right power switch unit is connected to the positive pole of the power input terminal of the transmitting unit, and the negative pole of the power input terminal of the transmitting unit is connected to the negative pole of the storage battery; The signal output end of the receiving unit is connected to the control end of the motor drive unit, one end of the motor drive unit is connected to the power supply, the input end of the transformer unit is connected to the power supply, and the other end of the motor drive unit is connected to the lifting motor; the transmitting unit is wirelessly paired with the receiving unit.

2. The wind turbine generator set anti-climbing switch safety locking device according to claim 1 is characterized in that: It also includes a first motor switch unit and a second motor switch unit, the data input end of the transmitting unit is respectively connected to one end of the first motor switch unit and one end of the second motor switch unit, and the other end of the first motor switch unit and the other end of the second motor switch unit are both grounded.

3. The wind turbine generator set anti-climbing switch safety locking device according to claim 2 is characterized in that: The proximity switch unit includes a proximity switch, a resistor R1, a MOS tube Q1, a resistor R2 and a relay JK1. The positive electrode of the power input end of the proximity switch is connected to the positive electrode of the battery, the negative electrode of the power input end of the proximity switch is connected to the negative electrode of the battery, the output end of the proximity switch is connected to one end of the resistor R1, the other end of the resistor R1 is connected to the gate of the MOS tube Q1, the drain of the MOS tube Q1 is connected to the other end of the emergency stop switch unit, the source of the MOS tube Q1 is connected to one end of the coil of the relay JK1, the other end of the coil of the relay JK1 is connected to one end of the resistor R2, and the other end of the resistor R2 is connected to the negative electrode of the battery; one end of the normally open contact of the relay JK1 is connected to the other end of the right power switch unit, and the other end of the normally open contact of the relay JK1 is connected to the positive electrode of the power input end of the transmitting unit.

4. The wind turbine generator set anti-climbing switch safety locking device according to claim 3 is characterized in that: The transmitting unit includes an encoder chip U1, a radio frequency transmitter U2 and a resistor R3. The power input end of the encoder chip U1 and the power input end of the radio frequency transmitter U2 are both connected to the other end of the normally open contact of the relay JK1. The input end of the internal oscillator of the encoder chip U1 is connected to one end of the resistor R3. The output end of the internal oscillator of the encoder chip U1 is connected to the other end of the resistor R3. The data output end of the encoder chip U1 is connected to the data input end of the radio frequency transmitter U2. The data input end of the encoder chip U1 is respectively connected to one end of the first motor switch unit and one end of the second motor switch unit.

5. The wind turbine generator set anti-climbing switch safety locking device according to claim 1 is characterized in that: The receiving unit includes a decoder chip U3, a resistor R5 and a radio frequency receiver U4. The data input end of the decoder chip U3 is connected to the data output end of the radio frequency receiver U4. The input end of the internal oscillator of the decoder chip U3 is connected to one end of the resistor R5. The output end of the internal oscillator of the decoder chip U3 is connected to the other end of the resistor R5. The data output end of the decoder chip U3 is connected to the control end of the motor drive unit.

6. The wind turbine generator set anti-climbing switch safety locking device according to claim 5 is characterized in that: The receiving unit also includes an indicator light circuit, which includes a resistor R4 and a light emitting diode D1. One end of the resistor R4 is connected to the effective transmission output end of the decoder chip U3, and the other end of the resistor R4 is connected to the positive electrode of the light emitting diode D1. The negative electrode of the light emitting diode D1 is grounded.

7. The wind turbine generator set anti-climbing switch safety locking device according to claim 5 is characterized in that: It also includes a power conversion unit, the input end of which is connected to the mains, and the output end of which is respectively connected to the power end of the decoder chip U3 and the power end of the RF receiver U4, and the ground end of the decoder chip U3 and the ground end of the RF receiver U4 are both grounded.

8. The wind turbine generator set anti-climbing switch safety locking device according to claim 7 is characterized in that: The motor drive unit includes a first drive unit and a second drive unit. The data output end of the decoder chip U3 is respectively connected to the control end of the first drive unit and the control end of the second drive unit. One end of the first drive unit is connected to the mains, and the other end of the first drive unit is connected to the lifting motor through a motor forward control switch; one end of the second drive unit is connected to the mains, and the other end of the second drive unit is connected to the lifting motor through a motor reverse control switch.

9. The wind turbine generator set anti-climbing switch safety locking device according to claim 8 is characterized in that: The first driving unit includes a resistor R6, a MOS tube Q2, a relay JK2, a resistor R8, a resistor R7, a MOS tube Q3, a relay JK3 and a resistor R9; the data output end of the decoder chip U3 is respectively connected to one end of the resistor R6 and one end of the resistor R7, the other end of the resistor R6 is connected to the gate of the MOS tube Q2, the drain of the MOS tube Q2 is connected to the output end of the power conversion unit, the source of the MOS tube Q2 is connected to one end of the coil of the relay JK2, the other end of the coil of the relay JK2 is connected to one end of the resistor R8, the other end of the resistor R8 is grounded, one end of the normally open contact of the relay JK2 is connected to the mains, and the other end of the normally open contact of the relay JK2 is connected to the lifting motor through the motor forward control switch; The other end of the resistor R7 is connected to the gate of the MOS tube Q3, the drain of the MOS tube Q3 is connected to the output end of the power conversion unit, the source of the MOS tube Q3 is connected to one end of the coil of the relay JK3, the other end of the coil of the relay JK3 is connected to one end of the resistor R9, the other end of the resistor R9 is grounded, one end of the normally open contact of the relay JK3 is connected to the mains, and the other end of the normally open contact of the relay JK3 is connected to the lifting motor through the motor reversing control switch.

10. The wind turbine generator set anti-climbing switch safety locking device according to claim 9, characterized in that: The relay JK2 is interlocked with the relay JK3.

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