Electrical circuit structure of heavy-load hydraulic flat car
Through independent line design and CAN bus communication, the complex electrical circuits of heavy-load hydraulic flatbed vehicles are solved, and an electrical structure with clear line layout, high safety, strong stability and convenient maintenance is achieved.
Patent Information
- Application Number
- CN202422457260.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-11
- Publication Date
- 2025-08-22
- Estimated Expiration
- 2034-10-11
AI Technical Summary
The electrical circuit structure of existing heavy-load hydraulic flatbed vehicles is complex, and the control circuit and communication circuit are mixed, resulting in unreasonable layout, poor stability and inconvenient maintenance.
It adopts an independent line design, which connects the power motor unit, steering motor unit, hoist motor unit, angle light unit and sensor unit to the main controller respectively. The battery unit is equipped with a power switch and a Coulomb meter to realize communication through the CAN bus, and the clear layout and one-click control between the main controller and other components.
It realizes the rational design of electrical circuits, improves safety and stability, facilitates maintenance, and improves the convenience of operation through the use of power switches and Coulomb meters.
Smart Images

Figure CN223252921U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of heavy-load hydraulic flatbed trucks, and in particular relates to an electrical circuit structure of a heavy-load hydraulic flatbed truck. Background Art
[0002] Heavy-duty hydraulic flatbed trucks are hydraulically powered, have a large load capacity, and can be flexibly operated by remote control to handle a variety of large-tonnage cargo. They are primarily used in various manufacturing plants and logistics industries.
[0003] Currently, the electrical circuit structure of heavy-duty hydraulic flatbed trucks on the market is complex, with many control lines, many communication lines, unreasonable line layout paths, mixed routing of power lines, control lines, and communication lines, poor stability, and inconvenient maintenance.
[0004] Therefore, it is necessary to design an electrical circuit structure for a heavy-duty hydraulic flatbed truck with reasonable design, clear circuit layout, high safety, high stability and convenient maintenance to solve the current technical problems. Summary of the Invention
[0005] In view of the deficiencies in the prior art, the utility model provides an electrical circuit structure for a heavy-duty hydraulic flatbed truck which has a reasonable design, a clear circuit layout, high safety, high stability and convenient maintenance.
[0006] The technical solution of the present utility model is: the electrical circuit structure of the heavy-duty hydraulic flatbed truck includes a main controller and a battery pack, the main controller is connected to a corner light controller, a display screen, a communication module, a sensor group, a steering motor driver group, a power motor driver group and a jacking motor driver; the corner light controller is connected to the corner light group, the communication module is connected to a plurality of travel proportional valves and a speed sensor, the steering motor driver group is connected to the steering motor group, the power motor driver group is connected to the power motor group, and the jacking motor driver is connected to the jacking motor; the battery pack is connected to a power switch and a coulomb meter, and the coulomb meter is communicatively connected to the main controller.
[0007] The steering motor driver group includes a left front steering motor driver, a left rear steering motor driver, a right front steering motor driver, and a right rear steering motor driver connected to the main controller; the steering motor group includes a left front steering motor, a left rear steering motor, a right front steering motor, and a right rear steering motor; the left front steering motor is connected to the left front steering motor driver, the left rear steering motor is connected to the left rear steering motor driver, the right front steering motor is connected to the right front steering motor driver, and the right rear steering motor is connected to the right rear steering motor driver.
[0008] The battery pack is connected to a 48V automotive relay, and a 48V DC circuit breaker is provided between the 48V automotive relay and the left front steering motor driver, the left rear steering motor driver, the right front steering motor driver, and the right rear steering motor driver; the 48V automotive relay is connected to a step-down module, and the step-down module is connected to the main controller.
[0009] The power motor driver group has power motor driver No. 1 and power motor driver No. 2 connected to the main controller; the power motor group has power motor No. 1 and power motor No. 2, the power motor No. 1 is connected to the power motor driver No. 1, and the power motor No. 2 is connected to the power motor driver No. 2.
[0010] The battery pack is connected to a 96V automobile relay, and a 96V DC circuit breaker is connected between the 96V automobile relay and the No. 1 power motor driver, the No. 2 power motor driver, and the lifting motor driver.
[0011] The corner light group includes a left front corner light, a left rear corner light, a right front corner light and a right rear corner light.
[0012] The main controller is connected with a remote control receiver.
[0013] The main controller is connected with an emergency stop button.
[0014] The sensor group includes a tilt sensor, a pressure sensor, and a temperature sensor.
[0015] The main controller is connected to an oil pump proportional valve.
[0016] Beneficial effects of the utility model:
[0017] (1) In this utility model, the power motor group, steering motor group, lifting motor group, corner light group, and sensor group are all connected to the main controller using relatively independent lines, with reasonable design, clear line layout, high safety, high stability, and convenient maintenance;
[0018] (2) The battery pack is connected to a power switch and a coulomb meter. The power switch can be used to control the power on and off of the heavy-duty hydraulic flatbed truck with one button. The coulomb meter can measure the power of the battery pack and output the current power of the battery pack to the main controller and display it on the display screen for easy viewing at any time. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 This is a principle block diagram of the electrical circuit structure of the medium and heavy-duty hydraulic flatbed truck of this utility model. DETAILED DESCRIPTION
[0020] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative and does not constitute any limitation on the present invention and its application or use. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. These embodiments are provided to make the present invention thorough and complete and to fully convey the scope of the present invention to those skilled in the art. It should be noted that unless otherwise specifically stated, the relative arrangement of the components and steps, the composition of the materials, the numerical expressions and the numerical values set forth in these embodiments should be interpreted as being merely exemplary and not as limiting.
[0021] The terms "first," "second," and similar terms used in this disclosure do not indicate any order, quantity, or importance, but are simply used to distinguish different parts. Terms such as "include" or "comprising" mean that the elements preceding the term include the elements listed after the term, and do not exclude the possibility of also including other elements. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may also change accordingly.
[0022] like Figure 1 As shown, the electrical circuit structure of the heavy-duty hydraulic flatbed truck includes a main controller and a battery pack. The main controller is connected to a corner light controller, a display screen, a communication module, a sensor group, a steering motor driver group, a power motor driver group and a lifting motor driver; the corner light controller is connected to a corner light group, the communication module is connected to a number of travel proportional valves and a speed sensor, the steering motor driver group is connected to a steering motor group, the power motor driver group is connected to a power motor group, and the lifting motor driver is connected to a lifting motor; the battery pack is connected to a power switch and a coulomb meter, and the coulomb meter is communicatively connected to the main controller; in this embodiment, the power motor group, the steering motor group, the lifting motor group, the corner light group, and the sensor group are all connected to the main controller using relatively independent lines, which have a reasonable design, clear line layout, high safety, high stability, and convenient maintenance; the battery pack is connected to a power switch and a coulomb meter, and the power switch can be used to control the power on and off of the heavy-duty hydraulic flatbed truck with one button, and the coulomb meter can measure the power of the battery pack, output the current power of the battery pack to the main controller and display it on the display screen, so that it is convenient to view at any time.
[0023] In some embodiments, the steering motor driver group has a left front steering motor driver, a left rear steering motor driver, a right front steering motor driver, and a right rear steering motor driver that are communicatively connected to the main controller, and the main controller can send control signals to the left front steering motor driver, the left rear steering motor driver, the right front steering motor driver, and the right rear steering motor driver and receive feedback signals; the steering motor group has a left front steering motor, a left rear steering motor, a right front steering motor, and a right rear steering motor; the left front steering motor is connected to the left front steering motor driver, the left rear steering motor is connected to the left rear steering motor driver, the right front steering motor is connected to the right front steering motor driver, and the right rear steering motor is connected to the right rear steering motor driver.
[0024] In some embodiments, a 48V automotive relay is connected to the battery pack, and a 48V DC circuit breaker is provided between the 48V automotive relay and the left front steering motor driver, the left rear steering motor driver, the right front steering motor driver, and the right rear steering motor driver; a step-down module is connected to the 48V automotive relay, and the step-down module is connected to the main controller.
[0025] In some embodiments, the power motor driver group has power motor driver No. 1 and power motor driver No. 2 connected to the main controller; the power motor group has power motor No. 1 and power motor No. 2, power motor No. 1 is connected to power motor driver No. 1, and power motor No. 2 is connected to power motor driver No. 2.
[0026] In some embodiments, a 96V automotive relay is connected to the battery pack, and a 96V DC circuit breaker is connected between the 96V automotive relay and the No. 1 power motor driver, the No. 2 power motor driver, and the lifting motor driver.
[0027] In some embodiments, the corner light group has a left front corner light, a left rear corner light, a right front corner light and a right rear corner light. The corner light controller is connected to the main controller. The corner light controller receives instructions sent by the main controller to control the left front corner light, the left rear corner light, the right front corner light and the right rear corner light to light up or turn off.
[0028] In some embodiments, a remote control receiver is connected to the main controller to receive external remote control instructions through the remote control receiver.
[0029] In some embodiments, an emergency stop button is connected to the main controller, which can stop the heavy-load hydraulic flatbed truck in an emergency to ensure safety of use.
[0030] In some embodiments, the sensor group has an inclination sensor, a pressure sensor and a temperature sensor. The inclination sensor is used to detect the angle value when the heavy-loaded hydraulic flatbed truck is running, the pressure sensor is used to detect the pressure value of the hydraulic system, and the temperature sensor is used to detect the temperature of the hydraulic system. During operation, abnormalities in inclination, pressure and temperature can be discovered in time.
[0031] In some embodiments, the communication module is connected to the main controller via the CAN bus. Eight travel proportional valves and eight speed sensors are connected to the communication module. The main function of the eight travel proportional valves is to output corresponding control oil pressure according to the size of the control stroke to control the speed of the eight travel wheels of the heavy-duty hydraulic flatbed truck. The eight speed sensors are used to detect the actual speed of the eight travel wheels.
[0032] In some embodiments, an oil pump proportional valve is connected to the main controller, and the oil pump proportional valve is used to control the flow and pressure of the hydraulic system to achieve precise control and operation of the heavy-duty hydraulic flatbed truck.
[0033] In the above embodiment, the battery pack is 48 2V lead-acid batteries connected in series; the main controller and the corner light controller, display screen, remote control receiver, communication module, tilt sensor, steering motor driver, power motor driver, and jacking motor driver are all connected and communicated using the CAN bus.
[0034] Thus far, various embodiments of the present invention have been described in detail. To avoid obscuring the concept of the present invention, some details well known in the art have not been described. Based on the above description, those skilled in the art will fully understand how to implement the technical solutions disclosed herein.
[0035] The above-described embodiments represent only some of the embodiments of the present invention. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that a person skilled in the art would be able to make various modifications and improvements without departing from the concept of the present utility model, and these modifications and improvements fall within the scope of protection of the present utility model. Therefore, the scope of protection of the present utility model patent shall be based on the appended claims.
Claims
1. An electrical circuit structure for a heavy-duty hydraulic flatbed truck, characterized by: It includes a main controller and a battery pack, the main controller is connected to a corner light controller, a display screen, a communication module, a sensor group, a steering motor driver group, a power motor driver group and a jacking motor driver; the corner light controller is connected to a corner light group, the communication module is connected to a number of travel proportional valves and a speed sensor, the steering motor driver group is connected to a steering motor group, the power motor driver group is connected to a power motor group, and the jacking motor driver is connected to a jacking motor; the battery pack is connected to a power switch and a coulomb meter, and the coulomb meter is in communication connection with the main controller.
2. The electrical circuit structure of the heavy-duty hydraulic flatbed truck according to claim 1 is characterized in that: The steering motor driver group comprises a left front steering motor driver, a left rear steering motor driver, a right front steering motor driver, and a right rear steering motor driver connected to the main controller; The steering motor group comprises a left front steering motor, a left rear steering motor, a right front steering motor, and a right rear steering motor; The left front steering motor is connected to the left front steering motor driver, the left rear steering motor is connected to the left rear steering motor driver, the right front steering motor is connected to the right front steering motor driver, and the right rear steering motor is connected to the right rear steering motor driver.
3. The electrical circuit structure of the heavy-duty hydraulic flatbed truck according to claim 2 is characterized in that: The battery pack is connected to a 48V automotive relay, and a 48V DC circuit breaker is provided between the 48V automotive relay and the left front steering motor driver, the left rear steering motor driver, the right front steering motor driver, and the right rear steering motor driver; the 48V automotive relay is connected to a step-down module, and the step-down module is connected to the main controller.
4. The electrical circuit structure of the heavy-duty hydraulic flatbed truck according to claim 1 is characterized in that: The power motor driver group has power motor driver No. 1 and power motor driver No. 2 connected to the main controller; the power motor group has power motor No. 1 and power motor No. 2, the power motor No. 1 is connected to the power motor driver No. 1, and the power motor No. 2 is connected to the power motor driver No.
2.
5. The electrical circuit structure of the heavy-duty hydraulic flatbed truck according to claim 4 is characterized in that: The battery pack is connected to a 96V automobile relay, and a 96V DC circuit breaker is connected between the 96V automobile relay and the No. 1 power motor driver, the No. 2 power motor driver, and the lifting motor driver.
6. The electrical circuit structure of the heavy-duty hydraulic flatbed truck according to claim 1 is characterized in that: The corner light group includes a left front corner light, a left rear corner light, a right front corner light and a right rear corner light.
7. The electrical circuit structure of the heavy-duty hydraulic flatbed truck according to claim 1 is characterized in that: The main controller is connected with a remote control receiver.
8. The electrical circuit structure of the heavy-duty hydraulic flatbed truck according to claim 1 is characterized in that: The main controller is connected with an emergency stop button.
9. The electrical circuit structure of the heavy-duty hydraulic flatbed truck according to claim 1, characterized in that: The sensor group includes a tilt sensor, a pressure sensor, and a temperature sensor.
10. The electrical circuit structure of the heavy-duty hydraulic flatbed truck according to claim 1, characterized in that: The main controller is connected to an oil pump proportional valve.