CN113979219B - New energy tensioner and control system thereof - Google Patents

Abstract

A new energy tension machine, including a tension machine body part, a drive system part, a control system part and an energy storage system part, the tension machine body part includes a tension wheel and a reducer, and the tension wheel and the reducer are connected by transmission; the drive system part is controlled by a hydraulic The main drive circuit is composed of the auxiliary drive circuit of the motor. The main hydraulic drive circuit includes the oil charge pressure valve, the first hydraulic motor, the second hydraulic motor and the oil charge pump. The first hydraulic motor is connected with the reducer. The auxiliary drive circuit of the motor includes the motor and The driver and the motor are connected in transmission to the second hydraulic motor, and the driver and the motor are electrically connected through wires; the control system part includes a pressure sensor, a signal transmission module, and an electronic control module; the energy storage system part includes a rectifier module, a protection module, a battery pack, a switching circuits and signal receiving devices. The present invention recovers and stores kinetic energy by setting the control system part and the energy storage system part, reduces the waste of kinetic energy, and provides an energy-saving and high-efficiency tension adjustment method.

Description

A new energy tension machine and its control system

technical field

The invention relates to the field of tension machines, in particular to a new energy tension machine and its control system.

Background technique

Tension machine is a kind of equipment used for tension stringing of transmission lines and high-altitude cableway erection operations. In practical applications, tension machines are usually used in conjunction with tractors. When the tractor pulls the wires, the tension machine provides a tension so that the wires do not will land. The existing tension machine drives a hydraulic pump through a diesel engine or an electric motor, and then the hydraulic pump drives a hydraulic motor, and the hydraulic motor drives the tension wheel to rotate through a reducer.

The existing tension machine has three working conditions, tension, reverse pulling and wire feeding, and the tension machine is in the tension working state most of the time, at this time the tension machine is passively doing work, so some tension machines are equipped with generators to realize the external Passive work is converted into electrical energy as much as possible.

At present, the Chinese patent with the authorized notification number CN109667814A discloses a new energy tension machine, which includes a mechanical structure part, a hydraulic system part, a control system part and a power device part. The mechanical structure part includes a tension wheel connected with the tension wheel The first gear box and the brake connected with the first gear box; the hydraulic system part includes a hydraulic circuit, a tension adjustment valve arranged on the hydraulic circuit, a tension gauge, a main hydraulic motor, a main hydraulic pump, and a main hydraulic pump. Oil pump, fan pump, tail car pump, brake oil supplement pump, the brake is connected with the main hydraulic motor, the fan pump is connected with the tail car pump, the tail car pump is connected with the brake oil replenishment pump, and the The main hydraulic pump is connected with the oil pump of the main hydraulic pump, and it is characterized in that it also includes a power generation device connected to the mechanical structure part or the hydraulic system part to convert external energy into usable electric energy under the passive working condition of the tension machine. The device includes a generator and a power battery connected to the generator for storing electric energy; the power device includes several motors, the generator and the power battery are connected to the motor, and the motor is connected to each hydraulic pump, The working drive is realized through the control system, and the control system includes a power battery management module, a motor control module and a hydraulic system control module.

The above existing technical solutions have the following defects: the battery part is simple to set, and in the actual application process, when the tension machine needs to switch working conditions many times, the working status of the battery and the generator is constantly changing, which affects the service life of the tension machine; the control system Only realize the switching condition of the tension machine, without further control and protection of the tension machine; the tension machine has many connecting parts, and the efficiency is low.

Contents of the invention

The purpose of the present invention is to provide a new energy tension machine and its control system to solve the above-mentioned problems in the prior art.

Above-mentioned technical purpose of the present invention is achieved through the following technical solutions:

A new energy tension machine, including a tension machine body part, a drive system part, a control system part and an energy storage system part, the tension machine body part includes a tension wheel and a reducer, and the tension wheel and the reducer are connected by transmission;

The drive system part is composed of a hydraulic main drive circuit and a motor auxiliary drive circuit. The hydraulic main drive circuit includes a supplementary oil pressure valve, a first hydraulic motor, a second hydraulic motor and a supplementary oil pump. said reducer transmission connection, said motor secondary drive circuit includes a motor and a driver, said motor is connected to said second hydraulic motor in transmission, said driver is electrically connected to said motor through wires, said first hydraulic motor and The second hydraulic motor is always one as a pump and the other as a motor in different working conditions of the tension machine;

The control system part includes a pressure sensor, a signal transmission module, and an electric control module. The pressure sensor is fixedly installed in the oil circuits of the first hydraulic motor and the second hydraulic motor. The pressure sensor and the electric control module Electrically connected through wires, the signal transmission module and the electronic control module are electrically connected through wires;

The energy storage system part includes a rectification module, a protection module, a battery pack, a switching circuit and a signal receiving device, the signal receiving device is connected to the signal transmission module through a wired electrical signal, the rectification module, the protection module, and the switching circuit It is electrically connected with the storage battery pack through wires, and the energy storage system part supplies DC power to the control system part.

In a further embodiment, the storage battery pack includes a power supply battery, a backup battery and a drive battery, the power supply battery is used to provide a stable DC power supply to the control system part, and the backup battery is used when the power supply battery is insufficient. In order to replace the power supply battery, the drive battery is used to supply power to the motor. Under different working conditions, the drive battery switches between charging and discharging states.

In a further embodiment, the switching circuit includes an intelligent control board, a first circuit breaker, a second circuit breaker and a contactor, the intelligent control board is electrically connected to the signal receiving device through wires, and the first One end of the circuit breaker is electrically connected to the intelligent control board through a wire, the other end of the first circuit breaker is electrically connected to the power supply battery through a wire, and one end of the second circuit breaker is electrically connected to the intelligent control board Electrically connected through wires, the other end of the second circuit breaker is electrically connected with the backup battery through wires, one end of the contactor is electrically connected with the motor through wires, and the other end of the contactor is electrically connected with the motor through wires. The driving battery is electrically connected through wires.

In a further embodiment, the rectification module includes a rectification bridge and a filter, the rectification bridge is electrically connected to the motor through wires, the rectification bridge and filter are electrically connected through wires, and the filter is connected to the The switching circuit is electrically connected through wires.

In a further embodiment, the electronic control module is electrically connected to the driver through wires, the motor is provided with a rotational speed measuring device, and the rotational speed measurement device is electrically connected to the electronic control module through electrical wires.

In a further embodiment, it includes a motor control part, an energy storage control part and a working condition control part. The motor control part includes: the control system part transmits electrical signals to the driver to control the start and stop and speed of the motor, the speed measuring device and The pressure sensor realizes negative feedback closed-loop control by transmitting electrical signals to the control system.

A control system for a new energy tension machine, including a motor control part, an energy storage control part, and a working condition control part. The motor control part includes: the control system part transmits electrical signals to the driver to control the start and stop and speed of the motor, and the speed The measuring device monitors the pay-off speed; the pressure sensor transmits the pressure signal to the control system part to monitor and control the torque under the reverse pull and wire feeding conditions, and the control system part monitors and controls the tension under the tension condition to realize negative feedback closed-loop control.

In a further embodiment, the power supply battery supplies power to the control system part, and the control system part transmits electrical signals to the energy storage system part through the signal transmission module to control the on-off of the first circuit breaker and the second circuit breaker.

In a further embodiment, the working condition control part includes three working conditions:

A tension working condition, the tension machine is in the process of unwinding, the wire is pulled by the front tractor, the wire rotates on the tension wheel and drives the tension wheel to rotate. At this time, the first hydraulic motor works as a pump, and the second hydraulic motor drives the motor to rotate. The motor is in generator mode, and the control system partially controls the contactor to be disconnected;

B reverse pulling working condition, the tension machine is in the reverse pulling process, the control system partially controls the contactor to close, the motor is in the motor mode, and the reverse rotation of the motor drives the second hydraulic motor to reverse. At this time, the second hydraulic motor works as a pump, and finally makes the first hydraulic motor reverse. A hydraulic motor reverses and drives the tension wheel to reverse through the reducer;

C wire feeding condition, the tension machine is in the wire feeding process, the control system partially controls the contactor to close, the motor is in the motor mode, and the motor rotates forward to drive the second hydraulic motor to rotate forward. At this time, the second hydraulic motor works as a pump, and finally makes the first A hydraulic motor rotates forward and drives the tension wheel to rotate forward through the reducer.

In summary, the present invention has the following beneficial effects:

1. Set up a battery pack. The battery pack has multiple parts, and the functions of the multiple parts are different. After the tension machine switches working conditions, the battery pack will not affect the operation of the equipment;

2. It is equipped with a comprehensive control system. In addition to controlling the switching conditions of the tension machine, the control system also monitors the working state of the tension machine and the energy storage system, which realizes the closed-loop negative feedback control of the equipment and is beneficial to prolong the service life of the equipment;

3. The motor in the auxiliary drive circuit of the motor switches the working mode according to the working condition of the tension machine. Under the tension working condition, the motor is in the generator mode, and in the reverse pull and wire feeding mode, the motor is in the motor mode, and the motor helps to save the tension machine. Kinetic energy loss during operation, the recovered kinetic energy is used to compensate the tension machine, no additional power source is required.

Description of drawings

Fig. 1 is an overall structural block diagram of the present invention;

Fig. 2 is a schematic diagram for embodying the part of the energy storage system in the present invention;

Fig. 3 is the schematic diagram that is used to embody switching circuit and accumulator pack in the present invention

Fig. 4 is a control block diagram of the present invention.

In the figure, 1. Tension machine body part; 11. Tension wheel; 12. Reducer; 2. Drive system part; 22. First hydraulic motor; 23. Second hydraulic motor; 25. Motor; 26. Driver; 27. Relief valve; 28. One-way two-way valve; 29. One-way pump; 3. Control system part; 31. Pressure sensor; 32. Signal transmission module; 33. Electric control module; 4. Energy storage system part; 41. Rectifier module; 411, rectifier bridge; 412, filter; 42, protection module; 43, battery pack; 431, power supply battery; 432, backup battery; 433, driving battery; 44, switching circuit; 441, intelligent control board; 442 , the first circuit breaker; 443, the second circuit breaker; 444, the contactor; 45, the signal receiving device; 5, the filter; 6, the oil tank.

Detailed ways

The present invention will be described in further detail below in conjunction with the accompanying drawings.

Wherein the same components are denoted by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the directions in the accompanying drawing 1, and the words "bottom" and " Top", "inner" and "outer" refer to towards or away from a particular component geometry, respectively. Furthermore, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or The number of technical characteristics indicated is implied. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of this specification, "plurality" means two or more than two, unless otherwise clearly and specifically defining the direction of the center.

Example 1:

As shown in Figure 1-4, a new energy tension machine includes a tension machine body part 1, a drive system part 2, a control system part 3 and an energy storage system part 4, and the tension machine body part 1 includes a tension wheel 11 and a reducer 12. Tension pulley 11 and reducer 12 are connected by transmission. Tension pulley 11 is used for winding wires. The rotation of reducer 12 drives the rotation of tension pulley 11 to realize the effect of tension pulley 11 retracting and releasing wires; drive system part 2 consists of hydraulic main drive circuit and The motor auxiliary drive circuit is composed of the hydraulic main drive circuit including the oil charge pressure valve, the first hydraulic motor 22, the second hydraulic motor 23 and the oil charge pump. The overflow valve, the one-way two-way valve and the one-way pump all belong to the oil charge circuit. The first hydraulic motor 22 is in transmission connection with the reducer 12 . The first hydraulic motor 22 and the second hydraulic motor 23 always have one as a pump and the other as a motor in different working conditions of the tension machine. In most cases, the tractor drives the tension machine to rotate to realize the rotation of the tension wheel 11 , thereby driving the reducer 12 to rotate and driving the first hydraulic motor 22 . The motor auxiliary drive circuit includes a motor 25 and a driver 26, the motor 25 is connected to the second hydraulic motor 23, the driver 26 is electrically connected to the motor 25 through wires, and the electronic control module 33 is electrically connected to the driver 26 through wires. When the motor 25 drives the second hydraulic motor 23, the driver 26 gives the motor 25 a driving signal so that the motor 25 rotates, and the motor 25 drives the second hydraulic motor 23 to rotate; Rotate and drive the motor 25 under the action of road pressure.

The control system part 3 includes a pressure sensor 31, a signal transmission module 32, and an electric control module 33. The pressure sensor 31 is fixedly installed in the oil circuit of the first hydraulic motor 22 and the second hydraulic motor 23. The pressure sensor 31 and the electric control module 33 pass through The wires are electrically connected, and the signal transmission module 32 and the electric control module 33 are electrically connected through wires.

The energy storage system part 4 includes a rectification module 41, a protection module 42, a battery pack 43, a switching circuit 44 and a signal receiving device 45, the signal receiving device 45 is connected to the signal transmission module 32 through a wired electrical signal, the rectification module 41, the protection module 42, The switching circuit 44 and the storage battery pack 43 are electrically connected through wires, and the energy storage system part 4 supplies DC power to the control system part 3 .

A control system for a new energy tension machine, including a motor control part, an energy storage control part, and a working condition control part. The motor control part includes: the control system part 3 controls the start and stop and speed of the motor by transmitting electrical signals to the driver 26, and the speed The measuring device and the pressure sensor 31 transmit electrical signals to the control system part 3, the pressure sensor 31 transmits the pressure signal to the control system part 3 to monitor and control the torque under the working conditions of reverse pulling and wire feeding, and the control system part 3 monitors the tension working conditions The reverse torque of the lower motor 25 is used to monitor the tension and realize the negative feedback closed-loop control.

The working condition control part includes:

A tension working condition, the tension machine is in the process of unwinding, the wire is pulled by the front tractor, the wire rotates on the tension wheel 11 and drives the tension wheel 11 to rotate, at this time, the first hydraulic motor 22 works as a pump, and the second hydraulic motor 23 Drive the motor 25 to rotate, the motor 25 is in the generator mode, and the control system part 3 controls the contactor 444 to disconnect;

B reverse pulling working condition, the tension machine is in the reverse pulling process, the control system part 3 controls the contactor 444 to close, the motor 25 is in the motor mode, and the reverse rotation of the motor 25 drives the second hydraulic motor 23 to reverse. At this time, the second hydraulic motor 23 acts as The pump works, and finally the first hydraulic motor 22 is reversed and the tension wheel is driven to reverse through the reducer;

C wire feeding working condition, the tension machine is in the wire feeding process, the control system part 3 controls the contactor 444 to close, the motor 25 is in the motor mode, and the motor 25 rotates forward to drive the second hydraulic motor 23 to rotate forward. At this time, the second hydraulic motor 23 acts as The pump works, and finally the first hydraulic motor 22 is rotated forward and the tension wheel is driven forward by the speed reducer.

The specific implementation process: when using the tension machine equipment, the personnel issue control instructions to change the working conditions of the tension machine according to the actual situation:

A tension working condition, the tension machine is in the process of unwinding, the wire is pulled by the front tractor, the wire rotates on the tension wheel 11 and drives the tension wheel 11 to rotate, at this time, the first hydraulic motor 22 works as a pump, and the second hydraulic motor 23 Drive the motor 25 to rotate, the motor 25 is in the generator mode, and the control system part 3 controls the contactor 444 to disconnect;

B reverse pulling working condition, the tension machine is in the reverse pulling process, the control system part 3 controls the contactor 444 to close, the motor 25 is in the motor mode, and the reverse rotation of the motor 25 drives the second hydraulic motor 23 to reverse. At this time, the second hydraulic motor 23 acts as The pump works, and finally the first hydraulic motor 22 is reversed and the tension wheel is driven to reverse through the reducer;

C wire feeding working condition, the tension machine is in the wire feeding process, the control system part 3 controls the contactor 444 to close, the motor 25 is in the motor mode, and the motor 25 rotates forward to drive the second hydraulic motor 23 to rotate forward. At this time, the second hydraulic motor 23 acts as The pump works, and finally the first hydraulic motor 22 is rotated forward and the tension wheel is driven forward by the speed reducer.

Example 2:

As shown in Figure 1-4, a new energy tension machine includes a tension machine body part 1, a drive system part 2, a control system part 3 and an energy storage system part 4, and the tension machine body part 1 includes a tension wheel 11 and a reducer 12. Tension pulley 11 and reducer 12 are connected in transmission; drive system part 2 is composed of hydraulic main drive circuit and motor auxiliary drive circuit. The hydraulic main drive circuit includes oil supply pressure valve, first hydraulic motor 22, second hydraulic motor 23 and Charge oil pump, the first hydraulic motor 22 is connected to the reducer 12, the motor auxiliary drive circuit includes the motor 25 and the driver 26, the motor 25 is connected to the second hydraulic motor 23, the first hydraulic motor 22 and the second hydraulic motor 23 are in tension In different working conditions of the machine, one is always used as a pump, and the other is used as a motor, and the driver 26 and the motor 25 are electrically connected through wires.

The control system part 3 includes a pressure sensor 31, a signal transmission module 32, and an electric control module 33. The pressure sensor 31 is fixedly installed in the oil circuit of the first hydraulic motor 22 and the second hydraulic motor 23. The pressure sensor 31 and the electric control module 33 pass through The electric wires are electrically connected, and the signal transmission module 32 and the electric control module 33 are electrically connected by electric wires, and the signal transmission module 32 is used for sending electric signals to the energy storage system part 4 .

The energy storage system part 4 includes a rectification module 41, a protection module 42, a battery pack 43, a switching circuit 44 and a signal receiving device 45, the signal receiving device 45 is connected to the signal transmission module 32 through a wired electrical signal, the rectification module 41, the protection module 42, The switching circuit 44 and the storage battery pack 43 are electrically connected by wires, the energy storage system part 4 supplies DC power to the control system part 3 , and the signal receiving device 45 is used to receive electrical signals from the control system part 3 .

Storage battery pack 43 comprises power supply battery 431, backup battery 432 and driving battery 433, and power supply battery 431 is used for providing stable DC power supply to control system part 3, and backup battery 432 is used for replacing power supply battery 431 when power supply battery 431 power is insufficient, drives The battery 433 is used to supply power to the motor 25. Under different working conditions, the driving battery 433 switches between charging and discharging states.

When the tension machine is in the tension state, the motor 25 serves as a generator to supply power to the energy storage system part 4 .

The rectification module 41 includes a rectification bridge 411 and a filter 412. The rectification bridge 411 is electrically connected to the motor 25 through wires, the rectification bridge 411 and the filter 412 are electrically connected through wires, and the filter 412 is electrically connected to the switching circuit 44 through wires. The motor 25 and the rectifier module 41 are electrically connected by electric wires. The alternating current generated by the electric motor 25 is converted into direct current through the rectifier bridge 411 , and the stable direct current is obtained after the filter 412 removes clutter, and the obtained direct current is transmitted to the switching circuit 44 through electric wires.

The switching circuit 44 includes an intelligent control board 441, a first circuit breaker 442, a second circuit breaker 443 and a contactor 444. The intelligent control board 441 is electrically connected to the signal receiving device 45 through wires, and one end of the first circuit breaker 442 is connected to the intelligent control board. The board 441 is electrically connected through a wire, the other end of the first circuit breaker 442 is electrically connected with the power supply battery 431 through a wire, one end of the second circuit breaker 443 is electrically connected with the intelligent control board 441 through a wire, the second circuit breaker 443 The other end of the contactor 444 is electrically connected to the motor 25 through a wire, and the other end of the contactor 444 is electrically connected to the driving battery 433 through a wire.

When the first circuit breaker 442 was disconnected, the power supply battery 431 was in the state of normally supplying power to the control system part 3, and the power supply battery 431 was electrically connected with the control system part 3 through wires; when the first circuit breaker 442 was closed, the power supply battery 431 Disconnected from the control system part 3, the motor starts charging the power supply battery 431.

When the second circuit breaker 443 is open, the backup battery 432 is in a fully charged state; when the second circuit breaker 443 is closed, the motor starts to charge the backup battery 432 .

When the contactor 444 is closed, the drive battery 433 sends DC power to the inverter circuit on the drive battery 433 , and the inverter circuit converts the DC power into AC power to supply power to the motor 25 .

A control system for a new energy tension machine, including a motor control part, an energy storage control part, and a working condition control part. The motor control part includes: the control system part 3 controls the start and stop and speed of the motor by transmitting electrical signals to the driver 26, and the speed The measuring device and the pressure sensor 31 transmit electrical signals to the control system part 3, the pressure sensor 31 transmits the pressure signal to the control system part 3 to monitor and control the torque under the working conditions of reverse pulling and wire feeding, and the control system part 3 monitors the tension working conditions The reverse torque of the lower motor 25 is used to monitor the tension and realize the negative feedback closed-loop control.

The energy storage control part includes: the power supply battery 431 supplies power to the control system part 3, and the control system part 3 transmits electrical signals to the energy storage system part through the signal transmission module 32 to control the on-off of the first circuit breaker 442 and the second circuit breaker 443, and supply power When the power of the battery 431 is insufficient, the control system part 3 controls the switching circuit 44 to switch the backup battery 432 for power supply and charge the power supply battery 431 .

Specific implementation process: when using the tension machine equipment, when the tension machine is in reverse pull and wire feeding conditions, the control system part 3 transmits electrical signals to the energy storage system part 4 through the signal transmission module 32, and the switching of the energy storage system part 4 The circuit 44 controls the contactor 444 to close, and the drive battery 433 sends DC power to the inverter circuit on the drive battery 433 , and the inverter circuit converts the DC power into AC power to supply power to the motor 25 .

When the tension machine switches back to the tension working condition, the control system part 3 transmits an electrical signal to the energy storage system part 4 through the signal transmission module 32, the switching circuit 44 of the energy storage system part 4 controls the contactor 444 to disconnect, and the drive battery 433 is incorporated into the Carry out charging in the charging circuit until the driving battery 433 is fully charged.

When the tension machine is under the tension condition, the control system part 3 transmits an electrical signal to the energy storage system part 4 through the signal transmission module 32, and the switching circuit 44 of the energy storage system part 4 controls the first circuit breaker 442 to be disconnected, and the power supply battery 431 is in Normally supply power to the control system part 3;

When the power supply battery 431 is insufficient, the control system part 3 transmits an electrical signal to the energy storage system part 4 through the signal transmission module 32, and the switching circuit 44 of the energy storage system part 4 controls the first circuit breaker 442 to close, and the power supply battery 431 is incorporated into the charging system. Charging is carried out in the circuit, and the backup battery 432 supplies power to the control system part 3;

When the power supply battery 431 is fully charged, the first circuit breaker 442 is automatically disconnected, and the power supply battery 431 restores the power supply to the control system part 3. At this time, the switching circuit 44 controls the second circuit breaker 443 to close, and the backup battery 432 is incorporated into the charging circuit. charging in

After the backup battery 432 is fully charged, the second circuit breaker 443 is automatically disconnected.

Example 3:

As shown in Figure 1-4, a new energy tension machine includes a tension machine body part 1, a drive system part 2, a control system part 3 and an energy storage system part 4, and the tension machine body part 1 includes a tension wheel 11 and a reducer 12. Tension pulley 11 and reducer 12 are connected in transmission; drive system part 2 is composed of hydraulic main drive circuit and motor auxiliary drive circuit. The hydraulic main drive circuit includes oil supply pressure valve, first hydraulic motor 22, second hydraulic motor 23 and Charge oil pump, the first hydraulic motor 22 is connected to the reducer 12, the motor auxiliary drive circuit includes a motor 25 and a driver 26, the motor 25 is connected to the second hydraulic motor 23, and the first hydraulic motor 22 and the second hydraulic motor 23 In different working conditions of the tension machine, one is always used as a pump, and the other is used as a motor, and the driver 26 is electrically connected with the motor 25 through wires.

The control system part 3 includes a pressure sensor 31, a signal transmission module 32, and an electric control module 33. The pressure sensor 31 is fixedly installed in the oil circuit of the first hydraulic motor 22 and the second hydraulic motor 23. The pressure sensor 31 and the electric control module 33 pass through The wires are electrically connected, and the signal transmission module 32 and the electric control module 33 are electrically connected through wires.

The energy storage system part 4 includes a rectification module 41, a protection module 42, a battery pack 43, a switching circuit 44 and a signal receiving device 45, the signal receiving device 45 is connected to the signal transmission module 32 through a wired electrical signal, the rectification module 41, the protection module 42, The switching circuit 44 and the storage battery pack 43 are electrically connected through wires, and the energy storage system part 4 supplies DC power to the control system part 3 .

The electronic control module 33 is electrically connected with the driver 26 through wires. The motor 25 is provided with a rotational speed measuring device for measuring the rotational speed of the motor 25. The rotational speed measurement device is electrically connected with the electronic control module 33 through electrical wires.

A control system for a new energy tension machine, including a motor control part, an energy storage control part, and a working condition control part. The motor control part includes: the control system part 3 controls the start and stop and speed of the motor by transmitting electrical signals to the driver 26, and the speed The measuring device monitors the pay-off speed; the pressure sensor 31 transmits the pressure signal to the control system part 3 to monitor and control the torque under the condition of reverse pull and wire feeding, and the control system part 3 monitors and controls the tension under the tension condition to realize negative feedback Closed-loop control.

The pressure of the hydraulic system depends on the load, the greater the pressure of the hydraulic system, the greater the reverse torque given to the tension pulley by the hydraulic system, so that the tension pulley provides greater tension. In the tension condition, the load is provided by the motor, the motor is driven by the second hydraulic motor, and the second hydraulic motor is driven by the first hydraulic motor, adjusting the reverse torque (load) of the motor can adjust the pressure of the hydraulic system, thereby adjusting the tension wheel tension.

The specific implementation process: when the tension machine equipment is running, the control system part 3 monitors the pressure in the oil circuit through the pressure sensor 31, and the speed of the matching motor 25 is obtained through the internal logic calculation of the control system part 3, and the control system part 3 sends an electric signal to The driver 26 controls the rotational speed of the motor 25, and the pressure sensor 31 transmits a pressure signal to the control system part 3 to monitor and control the torque under the reverse pull and wire feeding conditions, and the control system part 3 monitors the reverse torque of the motor 25 under the tension condition so that Monitor the tension; the speed measuring device monitors the speed of the motor 25 and transmits the electric signal back to the control system part 3, and the control system part 3 corrects the electric signal output to the driver 26 according to the comparison between the feedback signal and the sent signal.

In the disclosed embodiments of the present invention, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, "connection" can be a fixed connection or a detachable connection, Or integrally connected; "connected" can be directly connected or indirectly connected through an intermediary. Those skilled in the art can understand the specific meanings of the above terms in the embodiments disclosed in the present invention according to specific situations.

This specific embodiment is only an explanation of the present invention, and it is not a limitation of the present invention. Those skilled in the art can make modifications to this embodiment without creative contribution as required after reading this specification, but as long as they are within the rights of the present invention All claims are protected by patent law.

Claims (4)

1. A control system for a new energy tension machine, characterized in that: The new energy tension machine includes a tension machine body part (1), a drive system part (2), a control system part (3) and an energy storage system part (4); the tension machine body part (1) includes a tension wheel (11 ) and reducer (12), the tension wheel (11) and reducer (12) transmission connection; The drive system part (2) is made up of a hydraulic main drive circuit and a motor auxiliary drive circuit, and the hydraulic main drive circuit It includes a charge pressure valve, a first hydraulic motor (22), a second hydraulic motor (23) and a charge pump, the first hydraulic motor (22) is connected to the reducer (12), and the motor auxiliary drives The circuit includes a motor and a driver (26), the motor (25) is in transmission connection with the second hydraulic motor (23), the driver (26) is electrically connected with the motor (25) through wires, and the first One hydraulic motor (22) and the second hydraulic motor (23) are always one as a pump and the other as a motor in the different working conditions of the tension machine; the control system part (3) includes a pressure sensor (31), a signal transmission module (32), electric control module (33), the pressure sensor (31) is fixedly installed in the oil circuit of the first hydraulic motor (22) and the second hydraulic motor (23), and the pressure sensor (31 ) is electrically connected to the electric control module (33) through wires, and the signal transmission module (32) is electrically connected to the electric control module (33) through wires; the energy storage system part (4) includes a rectifier module (41), protection module (42), battery pack (43), switching circuit (44) and signal receiving device (45), and the signal receiving device (45) and the signal transmission module (32) are wired signal connection, the rectifier module (41), protection module (42), switching circuit (44) and storage battery pack (43) are electrically connected through wires, and the energy storage system part (4) is connected to the control system part ( 3) DC power supply; the battery pack (43) includes a power supply battery (431), a backup battery (432) and a drive battery (433), and the power supply battery (431) is used to provide the control system part (3) with Stable DC power supply, the backup battery (432) is used to replace the power supply battery (431) when the power supply battery (431) is insufficient, and the drive battery (433) is used to supply power to the motor (25). Under working conditions, the driving battery (433) is switched between charging and discharging; the switching circuit (44) includes an intelligent control board (441), a first circuit breaker (442), a second circuit breaker (443) and a contactor (444), the intelligent control board (441) is electrically connected to the signal receiving device (45) through a wire, and one end of the first circuit breaker (442) is electrically connected to the intelligent control board (441) through a wire The other end of the first circuit breaker (442) is electrically connected to the power supply battery (431) through a wire, and one end of the second circuit breaker (443) is connected to the intelligent control panel (441) through The other end of the second circuit breaker (443) is electrically connected to the backup battery (432) through a wire, and one end of the contactor (444) is electrically connected to the motor (25) through a wire. sexually connected, the other end of the contactor (444) is electrically connected to the driving battery (433) through wires; The control system of the new energy tension machine includes a motor control part, an energy storage control part and a working condition control part. The motor control part includes: the control system part (3) controls the start and stop of the motor by transmitting electrical signals to the driver (26) and the rotational speed, the rotational speed measuring device monitors the pay-off speed; the pressure sensor (31) transmits the pressure signal to the control system part (3) to monitor and control the torque under the working conditions of reverse pulling and wire feeding, and the control system part (3) monitors the tension work The reverse torque of the motor (25) under the condition can monitor the tension, and realize the negative feedback closed-loop control; The working condition control part includes three working conditions: A) Tension working condition, the tension machine is in the process of unwinding, the wire is pulled by the front tractor, the wire rotates on the tension wheel (11) and drives the tension wheel (11) to rotate, at this time, the first hydraulic motor (22) acts as a pump work, the second hydraulic motor (23) drives the motor (25) to rotate, the motor (25) is in generator mode, and the control system part (3) controls the contactor (444) to disconnect; B) Reverse pull working condition, the tension machine is in the reverse pull process, the control system part (3) controls the contactor (444) to close, the motor (25) is in the motor mode, and the motor (25) reverses to drive the second hydraulic motor (23) Reverse, at this time the second hydraulic motor (23) works as a pump, and finally the first hydraulic motor (22) is reversed and the tension wheel is driven to reverse through the reducer; C) Wire feeding condition, the tension machine is in the wire feeding process, the control system part (3) controls the contactor (444) to close, the motor (25) is in the motor mode, and the motor (25) rotates forward to drive the second hydraulic motor (23) Forward rotation, at this time the second hydraulic motor (23) works as a pump, and finally the first hydraulic motor (22) is forwardly rotated and the tension wheel is driven by the speed reducer to rotate forwardly. 2. The control system of the new energy tension machine according to claim 1, characterized in that: the rectification module (41) includes a rectification bridge (411) and a filter (412), and the rectification bridge (411) and the The motor (25) is electrically connected through wires, the rectifier bridge (411) and filter (412) are electrically connected through wires, and the filter (412) is electrically connected with the switching circuit (44) through wires . 3. The control system of the new energy tension machine according to claim 1, characterized in that: the electric control module (33) is electrically connected to the driver (26) through wires, and the motor (25) is provided with A rotational speed measuring device, the rotational speed measuring device is electrically connected to the electric control module (33) through electric wires. 4. The control system of the new energy tension machine according to claim 1, characterized in that, the energy storage control part includes: a power supply battery (431) supplies power to the control system part (3), and the control system part (3) passes The signal transmission module (32) transmits electrical signals to the energy storage system part to control the on-off of the first circuit breaker (442) and the second circuit breaker (443).

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