CN218093679U - An intelligent control multi-way reversing valve system - Google Patents

Abstract

The utility model discloses an intelligent control multi-way reversing valve system, which comprises a box body and a box cover, wherein the box body is provided with a main reversing valve module, a safety isolation reversing valve, a pressure compensation valve module and a pilot pressure reducing valve; the utility model discloses a high whole integrates, and is integrated as an organic whole with machinery, hydraulic pressure, electron, automatically controlled high optimization. An internal system pressure sensor, a pilot pressure sensor, an external system pressure sensor and an oil return temperature sensor are integrated in the reversing valve, and the pressure and the temperature of hydraulic oil of the reversing valve can be monitored in real time; the position of the valve core of the reversing valve can be monitored in real time, and man-machine accidents caused by the clamping of the valve core are prevented. The utility model discloses a multichannel switching-over valve is integrated to have CAN bus communication function, CAN carry out real-time communication with the host computer to the accessible host computer is operated it, easily realizes intelligent, automated control, compares the complicated circuit system of ordinary switching-over valve, and the wiring is simple and easy user understands the operation.

Description

An intelligent control multi-way reversing valve system

technical field

The utility model belongs to the field of hydraulic control, in particular to an intelligent control multi-way reversing valve system.

Background technique

At present, hydraulic transmission is widely used in construction machinery and mining machinery. In order to realize the linear motion of the hydraulic cylinder and the rotary motion of the hydraulic motor, a reversing valve (directional control valve) must be used to control the flow of hydraulic oil.

The problems existing in the actual use of ordinary multi-way reversing valves are:

1. The reversing valve is large in size, bloated in structure, and difficult to maintain and overhaul.

2. The operation of ordinary multi-way reversing valves uses manual mechanical handles or electromagnetic coils for reversing, which is cumbersome to operate, prone to human error and low control accuracy.

3. Although ordinary multi-way reversing valves can use electromagnetic coils to achieve automatic control, since each reversing valve must be equipped with a multi-core control cable, it will cause cumbersome installation and wiring when used on large hydraulic equipment. And messy, and more difficult to achieve intelligent control.

4. The integration is low, it is difficult to combine with program control, and it cannot adapt to the current development of intelligent, downsizing, and unmanned mechanical equipment.

Utility model content

Aiming at the above-mentioned shortcomings in the prior art, the utility model provides an intelligent control multi-way directional valve system which solves the problems of low integration and low safety in ordinary multi-way directional valves.

In order to achieve the purpose of the above-mentioned utility model, the technical solution adopted by the utility model is: an intelligent control multi-way reversing valve system, including a box body and a box cover, the box body is provided with a main directional valve module, a safety isolation switch directional valve, pressure compensating valve module and pilot pressure reducing valve;

Wherein, the safety isolation reversing valve is arranged at the front end of the main reversing valve module, and a pressure compensation valve module is arranged between the safety isolation reversing valve and the oil circuit of the main reversing valve module.

Further: the left electromagnetic coil sub-module of the main reversing valve module, the right electromagnetic coil sub-module of the main reversing valve module, the electromagnetic coil 4-1, the pilot electromagnetic reversing valve module, and the internal system are installed in the box Pressure sensor, pilot pressure sensor, external system pressure sensor, oil return temperature sensor, control board, power board and communication board;

Wherein, the electromagnetic coil is connected with the safety isolation reversing valve, the internal system pressure sensor is arranged on the pressure oil circuit of the main reversing valve module, and the pilot pressure sensor is arranged on the pilot electromagnetic reversing valve On the pressure oil circuit of the module, the oil return temperature sensor is arranged on the oil return circuit of the main reversing valve module;

The control board is respectively connected with the internal system pressure sensor, pilot pressure sensor, external system pressure sensor, oil return temperature sensor, power supply board and communication board.

The beneficial effect of the above further solution is: each pressure sensor can detect the pressure of each oil circuit, and transmit the pressure signal to the control board, so that the control board can monitor whether the pressure of each oil circuit is normal in real time, and timely diagnose whether there is a fault in each oil circuit .

Further: the main reversing valve module, the safety isolation reversing valve and the pressure compensating valve module all use cartridge type valve cores.

Further: the main reversing valve module includes a first main reversing valve, a second main reversing valve, a third main reversing valve, a fourth main reversing valve and a fifth main reversing valve;

The first main reversing valve, the second main reversing valve, the third main reversing valve, the fourth main reversing valve and the fifth main reversing valve are all connected to the control board;

The pressure compensation valve module includes a first pressure compensation valve, a second pressure compensation valve, a third pressure compensation valve, a fourth pressure compensation valve and a fifth pressure compensation valve.

Further: the left electromagnetic coil submodule includes a left electromagnetic coil arranged on each main reversing valve, and the right electromagnetic coil submodule includes a right electromagnetic coil arranged on each main reversing valve;

The pilot electromagnetic directional valve module includes a first pilot electromagnetic directional valve, a second pilot electromagnetic directional valve and a third pilot electromagnetic directional valve.

The beneficial effects of the above further scheme are: the pilot electromagnetic reversing valve module adopts an electromagnetic reversing two-position two-way valve, which can provide pilot pressure oil to the hydraulic components of the external hydraulic system, so that the multi-way reversing valve of the present utility model is suitable for various A controlled hydraulic system.

Further: a shuttle valve module is arranged between the control oil ports of the main reversing valve module;

The shuttle valve module includes a shuttle arranged between the control oil ports of the first main reversing valve, the second main reversing valve, the third main reversing valve, the fourth main reversing valve and the fifth main reversing valve valve.

Further: a spool position sensor is installed at the end of the spool of each main directional valve in the main directional valve module;

The spool position sensor is provided with a positive plate and a negative plate, and the end of the spool is located between the positive plate and the negative plate.

The beneficial effects of the utility model are: the utility model adopts a high degree of overall integration, and highly optimizes and integrates machinery, hydraulic pressure, electronics, and electric control into one. It integrates the internal system pressure sensor, pilot pressure sensor, external system pressure sensor and oil return temperature sensor, which can monitor the pressure and temperature of the hydraulic oil of the reversing valve in real time; it can monitor the position of the spool of the reversing valve in real time to prevent the Chip stuck and cause man-machine accident.

The multi-way reversing valve of the utility model is integrated with CAN bus communication function, which can communicate with the upper computer in real time, and can be operated through the upper computer, which is easy to realize intelligent and automatic control, and is more complex than ordinary reversing valves. Circuit system, wiring is simple and easy for users to understand and operate.

Description of drawings

Fig. 1 is a front view of the three-dimensional structure of an intelligent control multi-way reversing valve system.

Fig. 2 is a rear view of the three-dimensional structure of an intelligent control multi-way reversing valve system.

Fig. 3 is a diagram of the internal structure of an intelligent control multi-way reversing valve system after the box cover is disassembled.

Fig. 4 is a schematic diagram of the position detection of the main directional valve spool of an intelligent control multi-way directional valve system.

Fig. 5 is a schematic diagram of a control mode of an intelligent control multi-way reversing valve system.

Fig. 6 is a hydraulic system diagram of an intelligent control multi-way reversing valve system.

Among them: 1. Box body; 2. Tank cover; 3. Main reversing valve module; 3-1. First main reversing valve; 3-2. Second main reversing valve; 3-3. Third main reversing valve 3-4, the fourth main directional valve; 3-5, the fifth main directional valve; 3-1A, the first left electromagnetic coil; 3-2A, the second left electromagnetic coil; 3-3A , the third left electromagnetic coil; 3-4A, the fourth left electromagnetic coil; 3-5A, and the fifth left electromagnetic coil; 3-1B, the first right electromagnetic coil; 3-2B, the second right electromagnetic coil Electromagnetic coil; 3-3B, the third right electromagnetic coil; 3-4B, the fourth right electromagnetic coil; 3-5B, and the fifth right electromagnetic coil; 4, safety isolation reversing valve; 4-1, electromagnetic Coil; 5. Pressure compensation valve module; 5-1. First pressure compensation valve; 5-2. Second pressure compensation valve; 5-3. Third pressure compensation valve; 5-4. Fourth pressure compensation valve; 5 -5. Fifth pressure compensation valve; 6. Pilot solenoid directional valve module; 6-1. First pilot solenoid directional valve; 6-2. Second pilot solenoid directional valve; 6-3. Third pilot solenoid Reversing valve; 7. Internal system pressure sensor; 8. Pilot pressure sensor; 9. External system pressure sensor; 10. Oil return temperature sensor; 11. Control board; 12. Power board; 13. Communication board; 14. Pilot reducer Pressure valve; 15, shuttle valve module; 15-1, first shuttle valve; 15-2, second shuttle valve; 15-3, third shuttle valve; 15-4, fourth shuttle valve; 15-5, second shuttle valve Five shuttle valve; 16, spool; 17, spool position sensor; 18, positive plate; 19, negative plate.

detailed description

The specific embodiment of the present utility model is described below, so that those skilled in the art understand the utility model, but should be clear, the utility model is not limited to the scope of specific embodiment, for those of ordinary skill in the art, as long as Various changes are within the spirit and scope of the utility model defined and determined by the appended claims, and these changes are obvious, and all utility model creations utilizing the concept of the utility model are all included in the protection list.

As shown in Figure 1, in one embodiment of the present utility model, an intelligent control multi-way reversing valve system includes a box body 1 and a box cover 2, and the main directional valve module 3 is arranged on the box body 1 , safety isolation reversing valve 4, pressure compensation valve module 5 and pilot pressure reducing valve 14;

Wherein, the safety isolation reversing valve 4 is arranged at the front end of the main reversing valve module 3, and a pressure compensation valve module 5 is arranged between the safety isolation reversing valve 4 and the oil circuit of the main reversing valve module 3 ;

The main reversing valve module 3 is used to control the flow direction of the pressure oil in the hydraulic oil channel of the main reversing valve, and the safety isolation reversing valve 4 is used to cut off and control the main reversing valve when the control board 11 monitors the hydraulic system for failure. To the total pressure oil circuit of the valve module 3, the pressure compensating valve module 5 is used to adjust the pressure in the input load oil circuit, so that the operating speed of the load is not affected by the pressure, and the pilot pressure reducing valve 14 is used to provide hydraulic oil flow channel Stable working pressure.

The left electromagnetic coil sub-module of the main reversing valve module 3, the right electromagnetic coil sub-module of the main reversing valve module 3, the electromagnetic coil 4-1, the pilot electromagnetic reversing valve module 6, Internal system pressure sensor 7, pilot pressure sensor 8, external system pressure sensor 9, oil return temperature sensor 10, control board 11, power supply board 12 and communication board 13; the communication board 13 is used to provide CAN bus communication function. Electromagnetic coil 4-1 is the transposition electromagnetic coil of safety isolation reversing valve 4.

Wherein, the internal system pressure sensor 7 is set on the pressure oil circuit of the main reversing valve module 3, the pilot pressure sensor 8 is set on the pressure oil circuit of the pilot electromagnetic reversing valve module 6, and the oil return The temperature sensor 10 is arranged on the oil return road of the main reversing valve module 3;

The control board 11 is respectively connected with the internal system pressure sensor 7 , the pilot pressure sensor 8 , the external system pressure sensor 9 , the oil return temperature sensor 10 , the power supply board 12 and the communication board 13 .

Each pressure sensor can detect the pressure of each oil circuit, and transmit the pressure signal to the control board 11, so that the control board 11 can monitor whether the pressure of each oil circuit is normal in real time, and diagnose whether there is a fault in each oil circuit in time. The oil return temperature sensor 10 can detect the oil return temperature, and transmit the temperature signal to the control board 11, so that the control board 11 can monitor the oil temperature in real time and diagnose whether the oil temperature is normal.

The main reversing valve module 3 , the safety isolation reversing valve 4 and the pressure compensation valve module 5 all adopt a plug-in valve core 16 .

As shown in Figure 2, the main reversing valve module 3 includes a first main reversing valve 3-1, a second main reversing valve 3-2, a third main reversing valve 3-3, a fourth main reversing valve Valve 3-4 and fifth main reversing valve 3-5;

The first main reversing valve 3-1, the second main reversing valve 3-2, the third main reversing valve 3-3, the fourth main reversing valve 3-4 and the fifth main reversing valve 3- 5 are all connected to the control board 11;

When the control board 11 collects the signals provided by the pressure sensor 7 and the temperature sensor 10 and detects that the oil pressure and oil temperature of the hydraulic system exceed the set range, or detects that the spool 16 is stuck, it can directly power off the safety isolation reversing valve 4 , cut off the total pressure oil circuit of all main reversing valve modules 3, thereby protecting the entire hydraulic system and equipment.

The pressure compensation valve module 5 includes a first pressure compensation valve 5-1, a second pressure compensation valve 5-2, a third pressure compensation valve 5-3, a fourth pressure compensation valve 5-4 and a fifth pressure compensation valve 5 -5.

The pressure compensation valve module 5 enables multiple hydraulic actuators to work independently at the same time under different speeds and pressures, and can also make the operating speed of the load not affected by the pressure.

The left electromagnetic coil submodule includes a left electromagnetic coil arranged on each main reversing valve, and the right electromagnetic coil submodule includes a right electromagnetic coil arranged on each main reversing valve;

As shown in Figure 3, the left electromagnetic coil sub-module of the main reversing valve module 3 includes a first left electromagnetic coil 3-1A, a second left electromagnetic coil 3-2A, a third left electromagnetic coil 3- 3A, the fourth left electromagnetic coil 3-4A and the fifth left electromagnetic coil 3-5A;

The right electromagnetic coil sub-module of the main reversing valve module 3 includes a first right electromagnetic coil 3-1B, a second right electromagnetic coil 3-2B, a third right electromagnetic coil 3-3B, and a fourth right electromagnetic coil. Electromagnetic coil 3-4B and the fifth right electromagnetic coil 3-5B;

The first main reversing valve 3-1 is a three-position four-way valve with double-acting electromagnetic reversing. -1B turns on and off to achieve commutation, thereby changing the flow direction of the pressure oil to drive the hydraulic cylinder or hydraulic motor to work. The second main reversing valve 3-2, the third main reversing valve 3-3, the fourth main reversing valve 3-4 and the fifth main reversing valve 3-5 and the first main reversing valve 3-1 The settings are the same.

The pilot electromagnetic reversing valve module 6 includes a first pilot electromagnetic reversing valve 6-1, a second pilot electromagnetic reversing valve 6-2 and a third pilot electromagnetic reversing valve 6-3.

The pilot electromagnetic reversing valve module 6 adopts an electromagnetic reversing two-position two-way valve, which can provide pilot pressure oil to the hydraulic components of the external hydraulic system, so that the multi-way reversing valve of the present invention is suitable for various controlled hydraulic systems.

A shuttle valve module 15 is arranged between the control oil ports of the main reversing valve module 3;

The shuttle valve module 15 includes the first main reversing valve 3-1, the second main reversing valve 3-2, the third main reversing valve 3-3, the fourth main reversing valve 3-4 and the first main reversing valve 3-4. Shuttle valves between the control oil ports of the five main reversing valves 3-5; in this embodiment, the shuttle valve module 15 includes a first shuttle valve 15-1, a second shuttle valve 15-2, a third shuttle valve valve 15-3, fourth shuttle valve 15-4 and fifth shuttle valve 15-5;

The shuttle valve module 15 is used to feed back the load pressure of the hydraulic actuator to the variable pump of the external hydraulic system through the LS port, so that the variable pump can adjust the outlet pressure and flow of the pump according to the load pressure of the hydraulic actuator, so that the hydraulic pressure The pump is automatically adjusted according to the load and always works in the best energy-saving state.

As shown in Figure 4, a spool position sensor 17 is installed at the end of the spool 16 of each main directional valve in the main directional valve module 3;

The spool position sensor 17 is provided with a positive plate 18 and a negative plate 19, and the end of the spool 16 is located between the positive plate 18 and the negative plate 19;

The spool position sensor 17 is used to measure the position of the spool 16 to determine whether the spool 16 is stuck.

When the valve core 16 is in different positions, the positive plate 18 and the negative plate 19 will generate different electrical signals and transmit them to the control board 11 . When the spool 16 is sliding, the control board 11 judges whether the main reversing valve in the main reversing valve module 3 is stuck according to the collected electrical signal. This can effectively protect the hydraulic system, avoid the misoperation of hydraulic actuators caused by the stuck valve core 16, and provide guarantee for the safety of the machine.

As shown in FIG. 5 , the control board 11 is connected to an external host computer through a communication board 13 , and communicates with the host computer in real time to provide relevant data to the host computer and receive execution commands. The control board 11 is connected to the internal system pressure sensor 7, the pilot pressure sensor 8, the external system pressure sensor 9, the oil return temperature sensor 10, and five spool position sensors 17 for monitoring the main reversing valve 3, and receives the Data, and analyze whether the hydraulic system of the multi-way reversing valve is working normally, diagnose the cause of the failure and give timely feedback to the host computer through the communication line. The control board 11 can control and drive the safety isolation reversing valve 4, the main reversing valve module 3, and the pilot electromagnetic reversing valve module 6 to work after receiving the work command from the host computer.

The first main reversing valve 3-1, the second main reversing valve 3-2, the third main reversing valve 3-3, the fourth main reversing valve 3-4 and the fifth main reversing valve 3-5 A safety isolation reversing valve 4 is arranged at the front end of the total pressure oil circuit, which directly controls the pressure oil circuit of the main reversing valve module 3 .

As shown in Figure 6, an intelligent control multi-way reversing valve system provided by the utility model is provided with several connecting oil ports:

The P port is used to connect the hydraulic pump or the pressure oil that meets the working requirements of the hydraulic system to provide the pressure oil that meets the working requirements for the intelligent control multi-way reversing valve and its controlled actuators; the T port is connected to the oil tank and is a hydraulic actuator. The oil return port during work; the DR port is connected to the oil tank or the non-pressure oil return line, which is the oil drain port of the internal hydraulic components; the W1 port is connected to the pressure oil of the external hydraulic system for monitoring the external hydraulic oil pressure; the W2 port and the W3 port Ports A1 and B1, A2 and B2, A3 and B3, A4 and B4, A5 Port and B5 port - a total of 5 groups of connection ports, used to connect hydraulic actuators, such as hydraulic cylinders or hydraulic motors.

As shown in Figure 6, the ports A1 and B1 are internally connected to the first main reversing valve 3-1 and externally connected to the hydraulic cylinder. By reversing the first main reversing valve 3-1, the flow direction of the hydraulic oil is changed, thereby Realize the extension and shortening of the hydraulic cylinder.

Ports A2 and B2 are internally connected to the second main reversing valve 3-2, and externally connected to the hydraulic motor. By reversing the second main reversing valve 3-2, the flow direction of the hydraulic oil is changed, thereby realizing the forward rotation and rotation of the hydraulic motor. reverse. The remaining A3 and B3 ports, A4 and B4 ports, A5 and B5 ports are the same as the A1 and B1 ports.

The LS port is externally connected to the variable control system of the variable hydraulic pump, which feeds back the load pressure of the hydraulic actuator to the variable pump, so that the hydraulic pump can change it according to the load to provide the hydraulic actuator with hydraulic flow and pressure that meet the work, and is engaged in realizing the hydraulic pump according to The load change always works in the optimal and most energy-saving working state.

The pressure oil at port P is divided into two paths, one path is connected to a safety isolation reversing valve 4, and the safety isolation reversing valve 4 adopts a two-position two-way valve controlled by single-acting electromagnetic. The action of the safety isolation reversing valve 4 is realized by controlling the power-on or power-off of the electromagnetic coil 4-1 by the control board 11. The safety isolation reversing valve 4 mainly plays the role of safety isolation. When the control board 11 detects that the pressure of the internal system pressure sensor 7 is too high, or the temperature of the oil return temperature sensor 10 is too high, or the spool position sensor 17 detects that the spool 16 Stuck, so that the safety isolation reversing valve 4 closes the hydraulic oil circuit, thereby protecting the hydraulic system and the actuator.

The oil circuit at the lower end of safety isolation reversing valve 4 is divided into five circuits respectively followed by five first pressure compensation valve 5-1, second pressure compensation valve 5-2, third pressure compensation valve 5-3, and fourth pressure compensation valve 5 -4. The fifth pressure compensating valve 5-5, the lower ends of the five pressure compensating valves are respectively connected with five first main reversing valves 3-1, second main reversing valve 3-2, and third main reversing valve 3- 3. The fourth main directional valve 3-4, the fifth main directional valve 3-5. The pilot port of each pressure compensating valve is connected to the shuttle valve at the lower end of each main reversing valve. As shown in Figure 4, the first shuttle valve 15-1 is connected to the first oil port A1 and the second oil port B1 of the first main reversing valve 3-1, since the A1 port and the B1 port are connected to the hydraulic actuator, so The first shuttle valve 15-1 can selectively feed back the load pressure of the hydraulic actuator to the variable control system of the variable hydraulic pump through the LS port, and at the same time feed back the load pressure to the first pressure compensation valve 5-1. The function of the first pressure compensation valve 5-1 is to enable the intelligent control multi-way reversing valve of the present utility model to simultaneously control multiple hydraulic actuators to work independently at different speeds and different load pressures at the same time, and will not be affected by other main reversing valves. The load pressure of the hydraulic actuator controlled by the valve is too large, which affects the working pressure and speed of the hydraulic actuator controlled by the main reversing valve. The second shuttle valve 15-2, the third shuttle valve 15-3, the fourth shuttle valve 15-4 and the fifth shuttle valve 15-5 have the same function as the first shuttle valve 15-1, and the second pressure compensating valve 5-2 , the third pressure compensation valve 5-3, the fourth pressure compensation valve 5-4 and the fifth pressure compensation valve 5-5 have the same functions as the first pressure compensation valve 5-1.

In order to be suitable for the external pilot control of various hydraulic systems, a three-way pilot oil circuit is designed. As shown in Figure 6, the pressure oil at the P port is divided into two lines, and the other line is connected to a pilot pressure reducing valve 14, which enters the P port. The pressure oil is decompressed to meet the working pressure required by the pilot oil circuit. The lower end of the pilot pressure reducing valve 14 is divided into three pilot oil circuits, respectively connected to three first pilot electromagnetic reversing valves 6-1, second pilot electromagnetic reversing valves 6-2 and third pilot electromagnetic reversing valves 6-3 . The pilot electromagnetic reversing valve module 6 adopts a single-acting electromagnetic reversing two-position two-way valve, and its reversing is controlled by the control board 11 through the first pilot electromagnetic reversing valve 6-1 and the second pilot electromagnetic reversing valve 6-2 And the electromagnetic coil of the third pilot electromagnetic reversing valve 6-3 is energized or de-energized to realize.

The beneficial effects of the utility model are: the utility model adopts a high degree of overall integration, and highly optimizes and integrates machinery, hydraulic pressure, electronics, and electric control into one. It integrates internal system pressure sensor 7, pilot pressure sensor 8, external system pressure sensor 9 and oil return temperature sensor 10, which can monitor the pressure and temperature of the hydraulic oil of the reversing valve in real time; position, to prevent man-machine accidents caused by spool 16 being stuck.

The multi-way reversing valve of the utility model is integrated with CAN bus communication function, which can communicate with the upper computer in real time, and can be operated through the upper computer, which is easy to realize intelligent and automatic control, and is more complex than ordinary reversing valves. Circuit system, wiring is simple and easy for users to understand and operate.

In describing the present invention, it should be understood that the terms "center", "thickness", "upper", "lower", "horizontal", "top", "bottom", "inner", "outer", The orientation or positional relationship indicated by "radial" is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the referred equipment or elements must have a specific Orientation, construction and operation in a particular orientation, therefore should not be construed as limiting the invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the number of technical features. Therefore, a feature defined by "first", "second" and "third" may explicitly or implicitly include one or more of these features.

Claims (7)

1. The intelligent control multi-way reversing valve system is characterized by comprising a box body (1) and a box cover (2), wherein a main reversing valve module (3), a safety isolation reversing valve (4), a pressure compensation valve module (5) and a pilot pressure reducing valve (14) are arranged on the box body (1);

the safety isolation reversing valve (4) is arranged at the front end of the main reversing valve module (3), and a pressure compensation valve module (5) is arranged between the safety isolation reversing valve (4) and an oil way of the main reversing valve module (3).

2. The intelligent control multiple directional control valve system according to claim 1, wherein a left electromagnetic coil submodule of the main directional control valve module (3), a right electromagnetic coil submodule of the main directional control valve module (3), an electromagnetic coil (4-1), a pilot electromagnetic directional control valve module (6), an internal system pressure sensor (7), a pilot pressure sensor (8), an external system pressure sensor (9), an oil return temperature sensor (10), a control board (11), a power board (12) and a communication board (13) are installed in the box body (1);

the electromagnetic coil (4-1) is connected with the safety isolation reversing valve (4), the internal system pressure sensor (7) is arranged on a pressure oil path of the main reversing valve module (3), the pilot pressure sensor (8) is arranged on a pressure oil path of the pilot electromagnetic reversing valve module (6), and the return oil temperature sensor (10) is arranged on a return oil path of the main reversing valve module (3);

the control panel (11) is respectively connected with the internal system pressure sensor (7), the pilot pressure sensor (8), the external system pressure sensor (9), the return oil temperature sensor (10), the power panel (12) and the communication panel (13).

3. The smart controlled multi-directional valve system according to claim 2, characterized in that the main directional valve module (3), the safety isolating directional valve (4) and the pressure compensation valve module (5) all employ cartridge type valve cores.

4. The smart controlled multi-directional valve system according to claim 2, characterized in that the main directional valve module (3) comprises a first main directional valve (3-1), a second main directional valve (3-2), a third main directional valve (3-3), a fourth main directional valve (3-4) and a fifth main directional valve (3-5);

the first main reversing valve (3-1), the second main reversing valve (3-2), the third main reversing valve (3-3), the fourth main reversing valve (3-4) and the fifth main reversing valve (3-5) are all connected with the control panel (11);

the pressure compensation valve module (5) comprises a first pressure compensation valve (5-1), a second pressure compensation valve (5-2), a third pressure compensation valve (5-3), a fourth pressure compensation valve (5-4) and a fifth pressure compensation valve (5-5).

5. The smart control multi-way reversing valve system of claim 2, wherein the left solenoid submodule comprises a left solenoid disposed on each main reversing valve and the right solenoid submodule comprises a right solenoid disposed on each main reversing valve;

the pilot electromagnetic directional valve module (6) comprises a first pilot electromagnetic directional valve (6-1), a second pilot electromagnetic directional valve (6-2) and a third pilot electromagnetic directional valve (6-3).

6. The intelligent control multiple directional valve system according to claim 2, characterized in that a shuttle valve module (15) is arranged between the control oil ports of the main directional valve module (3);

the shuttle valve module comprises shuttle valves arranged among control oil ports of a first main reversing valve (3-1), a second main reversing valve (3-2), a third main reversing valve (3-3), a fourth main reversing valve (3-4) and a fifth main reversing valve (3-5).

7. The smart controlled multi-directional valve system according to claim 2, characterized in that the spool position sensor (17) is mounted at the end of the spool (16) of each main directional valve in the main directional valve module (3);

the valve core position sensor (17) is provided with a positive plate (18) and a negative plate (19), and the tail end of the valve core (16) is positioned between the positive plate (18) and the negative plate (19).

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