Control device mounted on pure electric cleaning vehicle

Abstract

The utility model discloses a control device installed on a pure electric cleaning vehicle. The control device is provided with a cleaning vehicle function rocker switch, a front area digital fuse box, a cleaning vehicle central control terminal and a chassis digital fuse box. The cleaning vehicle function rocker switch is electrically connected with the front field digital fuse box; the cleaning vehicle central control terminal is electrically connected with the front domain digital fuse box; the front-domain digital fuse box is used for collecting a hard wire signal of a functional rocker switch of the cleaning vehicle or collecting a CAN message signal of a central control terminal of the cleaning vehicle, so that an electromagnetic valve mounted on the cleaning vehicle is opened or closed through the front-domain digital fuse box; the cleaning vehicle central control terminal is further electrically connected with the chassis digital fuse box, and the chassis digital fuse box is used for collecting CAN message signals of the front area digital fuse box or the cleaning vehicle central control terminal so that an electromagnetic valve installed on the cleaning vehicle can be opened or closed through the chassis digital fuse box. According to the utility model, the cost is saved, the data intercommunication between the chassis and the upper part is realized, and the control on the upper part is realized through the whole vehicle integrated control thought.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of pure electric cleaning vehicle upper installation control device, belong to electric cleaning vehicle technical field. BACKGROUND

[0002] With the rapid development of new energy industry, the popularity of new energy vehicles is getting higher and higher, from passenger cars to commercial vehicles, special purpose vehicles and other new energy vehicles, the market share is getting higher and higher. In the special purpose vehicle industry, new energy vehicles replace traditional fuel vehicles, not only the change of driving mode, but also the upgrade of control mode and control method. In the special purpose vehicle industry, especially in the sanitation vehicle, the traditional part of the chassis is replaced by the new energy, and the power take-off is also replaced by the more efficient electric power take-off. The sanitation vehicle needs to realize the power demand of upper installation operation through electric power take-off.

[0003] In the early stage of industry development, to solve the problem of upper installation operation, the traditional PLC control method is usually used, that is, an electrical signal is output to the upper installation controller, and the upper installation controller outputs a signal to control each electromagnetic valve or relay, so as to realize the control of the upper installation. With the development of the industry, the demand for informationization and intelligentization is increasing, and the existing PLC control method cannot meet the current market demand.

[0004] As a kind of modified vehicle, the pure electric sanitation vehicle uses the upper installation integrated controller MCU to control each function of the upper installation. In the whole vehicle modification, the control program is simple and easy to operate, and it is suitable for modification factories with low electric control level. However, due to the limitations of hardware and software, there are shortcomings in data delivery, intelligent operation, information real-time sharing, and it cannot meet the current market demand for sanitation upper installation operation data, energy consumption, driving information, fault diagnosis, early warning and other aspects. Therefore, it is necessary to develop a pure electric cleaning vehicle upper installation control scheme to realize efficient and simple control of upper installation operation. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model provides a kind of pure electric cleaning vehicle upper installation control device, solves the problem that traditional upper installation control scheme is difficult to realize the control of upper installation operation efficiently and simply, and cannot meet the market functional demand.

[0006] In order to achieve the above purpose, the utility model provides the following technical scheme: a kind of pure electric cleaning vehicle upper installation control device, comprising cleaning vehicle function flap switch, front field digital fuse box, cleaning vehicle central control terminal and chassis digital fuse box;

[0007] The cleaning vehicle function flap switch and the front field digital fuse box are electrically connected;The cleaning vehicle central control terminal and the front field digital fuse box are electrically connected;

[0008] The front domain digital fuse box is used to collect the hard-wired signal of the function rocker switch of the cleaning vehicle or the CAN message signal of the central control terminal of the cleaning vehicle, so as to open or close the electromagnetic valve on the cleaning vehicle through the front domain digital fuse box.

[0009] The central control terminal of the cleaning vehicle is also electrically connected with the chassis digital fuse box, and the chassis digital fuse box is used to collect the CAN message signal of the front domain digital fuse box or the central control terminal of the cleaning vehicle, so as to open or close the electromagnetic valve on the cleaning vehicle through the chassis digital fuse box.

[0010] As a preferred scheme of the pure electric cleaning vehicle upper installation control device, a VCU vehicle control unit is further included, the front domain digital fuse box, the central control terminal of the cleaning vehicle and the chassis digital fuse box are electrically connected with the VCU vehicle control unit, and the VCU vehicle control unit is used to perform conversion of communication between the cleaning vehicle upper installation system and the chassis.

[0011] As a preferred scheme of the pure electric cleaning vehicle upper installation control device, a vehicle-mounted communication device is further included, the vehicle-mounted communication device is electrically connected with the VCU vehicle control unit, and the vehicle-mounted communication device is used to connect a monitoring platform to detect the running state of the cleaning vehicle in real time.

[0012] As a preferred scheme, a music horn is further included, the music horn is electrically connected with the VCU vehicle control unit, and the music horn is used to alarm the water level of the cleaning vehicle.

[0013] As a preferred scheme of the pure electric cleaning vehicle upper installation control device, a low-pressure water pump is further included, the low-pressure water pump is electrically connected with the VCU vehicle control unit, and the low-pressure water pump is used to receive the signal of the front domain digital fuse box to start the low-pressure water spraying motor of the cleaning vehicle.

[0014] As a preferred scheme of the pure electric cleaning vehicle upper installation control device, a high-pressure water pump is further included, the high-pressure water pump is electrically connected with the VCU vehicle control unit, and the high-pressure water pump is used to receive the signal of the front domain digital fuse box to start the high-pressure water spraying motor of the cleaning vehicle.

[0015] As a preferred scheme of the pure electric cleaning vehicle upper installation control device, an OBD interface is further included, the OBD interface is electrically connected with the VCU vehicle control unit, and the OBD interface is used to perform brush writing, debugging and maintenance on the cleaning vehicle upper installation control device.

[0016] The utility model discloses a following advantage: be equipped with washing car function rocker switch, front field digital insurance box, washing car central control terminal and chassis digital insurance box, washing car function rocker switch and front field digital insurance box between electric connection, washing car central control terminal and front field digital insurance box between electric connection, front field digital insurance box is used for collecting the hard -wired signal of washing car function rocker switch or the CAN message signal of washing car central control terminal, to open or close the solenoid valve on washing car through front field digital insurance box, washing car central control terminal still and chassis digital insurance box between electric connection, and chassis digital insurance box is used for collecting the CAN message signal of front field digital insurance box or washing car central control terminal, to open or close the solenoid valve on washing car through chassis digital insurance box. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only exemplary, and for those skilled in the art, other drawings can be derived from the provided drawings without creative labor.

[0018] Figure 1 The hardware architecture schematic diagram of the pure electric washing car upper installation control device provided in the embodiments of the present utility model is shown.

[0019] Figure 2 The wiring schematic diagram of the pure electric washing car upper installation control device provided in the embodiments of the present utility model is shown.

[0020] In the figure, 1, washing car function rocker switch; 2, front field digital insurance box; 3, washing car central control terminal; 4, chassis digital insurance box; 5, VCU vehicle control unit; 6, vehicle-mounted communication equipment; 7, music horn; 8, low-pressure water pump; 9, high-pressure water pump; 10, OBD interface. DETAILED DESCRIPTION

[0021] The embodiments of the present utility model will be described below by specific examples, and those skilled in the art can easily understand other advantages and effects of the present utility model from the content disclosed in the present specification. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present utility model.

[0022] Referring to Figure 1 and Figure 2 The utility model discloses a pure electric cleaning car upper loading control device, including cleaning car function flap switch 1, front field digital insurance box 2, cleaning car central control terminal 3 and chassis digital insurance box 4;

[0023] Among them, the cleaning car function flap switch 1 with front field digital insurance box 2 are connected electrically;The cleaning car central control terminal 3 with front field digital insurance box 2 are connected electrically;

[0024] Among them, the front field digital insurance box 2 is used to collect the hardwired signal of cleaning car function flap switch 1 or the CAN message signal of cleaning car central control terminal 3, to open or close cleaning car upper loading electromagnetic valve through front field digital insurance box 2;

[0025] Among them, the cleaning car central control terminal 3 still and chassis digital insurance box 4 are connected electrically, and the chassis digital insurance box 4 is used to collect the CAN message signal of front field digital insurance box 2 or cleaning car central control terminal 3, to open or close cleaning car upper loading electromagnetic valve through chassis digital insurance box 4.

[0026] In the embodiment, cleaning car function flap switch 1 and front field digital insurance box 2 are connected electrically, and the hardwired signal generated by the user's operation flap switch can be transmitted to front field digital insurance box 2. This direct electrical connection mode is stable and reliable in signal transmission and can quickly respond to operation. The CAN message signal of cleaning car central control terminal 3 can also be collected by front field digital insurance box 2. The transmission of CAN message signal has the characteristics of high efficiency and strong anti-interference ability, and can realize complex control instruction transmission. Front field digital insurance box 2 can collect the hardwired signal of cleaning car function flap switch 1 or the CAN message signal of cleaning car central control terminal 3, and then open or close the cleaning car upper loading electromagnetic valve accordingly, so that front field digital insurance box 2 becomes an important control center, integrates control signals from different sources, realizes precise control of the electromagnetic valve, and improves the flexibility and operability of the system. At the same time, the cleaning car central control terminal 3 is also connected with the chassis digital insurance box 4, and the chassis digital insurance box 4 can collect the CAN message signal of front field digital insurance box 2 or cleaning car central control terminal 3, and then control to open or close the cleaning car upper loading electromagnetic valve. This multiple signal collection and control mode increases the redundancy and reliability of the device, and even if a certain link fails, the control of the electromagnetic valve can still be realized through other ways.

[0027] The control mode of the cleaning car upper loading function of the utility model is as follows:

[0028] First, the driver starts the washing function button in the cab, and the washing function rocker switch 1 sends a start signal to the front domain digital fuse box 2 to provide low-voltage power supply for the entire superstructure.

[0029] Second, after the wake-up of each control component of the superstructure, the vehicle self-checks and feeds back the detection signal to the front domain digital fuse box 2 or the chassis digital fuse box 4. The chassis digital fuse box 4 sends a message to the music horn 7 through the CAN network to remind the operator whether the washing car meets the use conditions, such as whether the water level is too low.

[0030] Third, under the condition of meeting the superstructure start, the washing car function rocker switch 1 is opened to transmit a signal to the front domain digital fuse box 2. The front domain digital fuse box 2 sends a start signal to the superstructure DCAC through the CAN network and starts the superstructure power unit.

[0031] Fourth, after the washing car starts the power unit, there are two control methods for the control of the washing function. One is that the cab control button washing car function rocker switch 1 transmits a signal to the front domain digital fuse box 2 or the chassis digital fuse box 4. The front domain digital fuse box 2 or the chassis digital fuse box 4 outputs high level on the corresponding function pin to control the opening and closing of the corresponding electromagnetic valve of the washing car superstructure. The second is to open the corresponding washing car function on the washing car central control terminal 3. The washing car central control terminal 3 sends a control signal of the corresponding function to the front domain digital fuse box 2 or the chassis digital fuse box 4 through the CAN network. The front domain digital fuse box 2 or the chassis digital fuse box 4 outputs high level on the corresponding function pin to control the opening and closing of the corresponding electromagnetic valve of the washing car superstructure.

[0032] In one possible embodiment, a VCU vehicle control unit 5 is further included, and the front domain digital fuse box 2, the washing car central control terminal 3, and the chassis digital fuse box 4 are electrically connected with the VCU vehicle control unit 5. The VCU vehicle control unit 5 is used to perform conversion of communication between the washing car superstructure system and the chassis. A vehicle-mounted communication device 6 is further included, and the vehicle-mounted communication device 6 is electrically connected with the VCU vehicle control unit 5. The vehicle-mounted communication device 6 is used to connect a monitoring platform to detect the running state of the washing car in real time.

[0033] Specifically, the VCU vehicle control unit is electrically connected with the front domain digital fuse box 2, the cleaning vehicle central terminal 3 and the chassis digital fuse box 4, responsible for executing the conversion of communication between the upper-mounted system and the chassis, ensuring smooth and accurate communication between the upper-mounted system and the chassis, so that they can work together, improving the integration and coordination of the entire vehicle system. The vehicle-mounted communication device 6 is electrically connected with the VCU vehicle control unit, used to connect the monitoring platform to detect the running state of the cleaning vehicle in real time, and can realize remote monitoring and data transmission, so that relevant personnel can timely understand the working condition of the cleaning vehicle, and facilitate fault diagnosis, maintenance arrangement and operation management. Through real-time detection of the running state, potential problems can be found in advance, reducing the possibility of failure and improving the efficiency and safety of the vehicle.

[0034] In a possible embodiment, a music horn 7 is further included, which is electrically connected with the VCU vehicle control unit 5, and is used for water level alarm of the cleaning vehicle.

[0035] Specifically, the music horn 7 as a kind of direct alarm device can attract the attention of the operator with a large volume and a unique sound. When the water level of the cleaning vehicle reaches the alarm level, the relevant signals are received in time through the connection with the VCU vehicle control unit and the alarm is sent. The advantage of this design is that it can still effectively remind the operator of the abnormal situation of the water level when he may be focused on other operations or in a relatively noisy environment, avoiding the interruption of cleaning work or equipment damage due to the water level problem.

[0036] In a possible embodiment, a low-pressure water pump 8 is further included, which is electrically connected with the VCU vehicle control unit 5, and is used to receive the signal of the front domain digital fuse box 2 to start the low-pressure water spraying motor of the cleaning vehicle; in addition, a high-pressure water pump 9 is further included, which is electrically connected with the VCU vehicle control unit 5, and is used to receive the signal of the front domain digital fuse box 2 to start the high-pressure water spraying motor of the cleaning vehicle.

[0037] Specifically, the low-pressure water pump 8 is electrically connected with the VCU vehicle control unit and receives the signal of the front domain digital fuse box 2 to start the low-pressure water spraying motor of the cleaning vehicle, so that the start of the low-pressure water pump 8 can be accurately controlled, and the controllability and efficiency of the low-pressure water spraying operation are improved according to the actual demand. The advantage is that it can realize energy saving and accurate operation, avoiding unnecessary waste of resources. The high-pressure water pump 9 is electrically connected with the VCU vehicle control unit, also receives the signal of the front domain digital fuse box 2 to start the high-pressure water spraying motor of the cleaning vehicle, ensuring the accurate start of the high-pressure water spraying function, and can quickly respond in the case of strong cleaning or specific working conditions, enhancing the working capacity and adaptability of the cleaning vehicle.

[0038] In a possible embodiment, an OBD interface 10 is further included, which is electrically connected with the VCU vehicle control unit 5, and is used for overwriting, debugging and maintaining the cleaning vehicle-mounted control device.

[0039] Specifically, the OBD interface is arranged to make the overwriting, debugging and maintenance of the cleaning vehicle-mounted control device more convenient and efficient. Through the connection with the VCU vehicle control unit, relevant operation data and control information of the vehicle can be directly obtained. On the one hand, the time cost of detection and maintenance is reduced, and the technician does not need to carry out tedious disassembly and line searching, but can quickly operate through the OBD interface; on the other hand, the accuracy of debugging and maintenance is improved, and the problem can be more accurately located and solved, so that the cleaning vehicle-mounted control device is always in a good working state.

[0040] In summary, the utility model discloses be provided with the cleaning car function rocker switch 1, the front field digital insurance box 2, the cleaning car central control terminal 3 and the chassis digital insurance box 4, the cleaning car function rocker switch 1 and the front field digital insurance box 2 between electricity is connected, the cleaning car central control terminal 3 and the front field digital insurance box 2 between electricity is connected, the front field digital insurance box 2 is used to collect the hard -wired signal of cleaning car function rocker switch 1 or the CAN message signal of the collection cleaning car central control terminal 3, to open or close the electromagnetic valve on the cleaning car through the front field digital insurance box 2, the cleaning car central control terminal 3 still and the chassis digital insurance box 4 between electricity is connected, and the chassis digital insurance box 4 is used to collect the CAN message signal of the front field digital insurance box 2 or the cleaning car central control terminal 3, to open or close the electromagnetic valve on the cleaning car through the chassis digital insurance box 4. The driver starts the upper installation function button cleaning car function rocker switch 1 in the cab, and the cleaning car function rocker switch 1 sends the starting signal to the chassis front field digital insurance box 2 to provide low-voltage power supply for the whole upper installation. After the awakening of each control component of the upper installation, the vehicle self-checks and feeds back the detection signal to the front field digital insurance box 2 or the chassis digital insurance box 4, and the chassis digital insurance box 4 sends the detection result to the music horn 7 through the CAN network to send a message, so that the operator is reminded whether the cleaning car meets the use condition, for example, whether the water level is too low. Under the condition that the upper installation is started, the cleaning car function rocker switch 1 is opened, and the signal is transmitted to the front field digital insurance box 2, and the front field digital insurance box 2 sends the starting signal to the upper installation DCAC through the CAN network to send a message and starts the upper installation power unit. After the cleaning function of the cleaning car starts the power unit, there are two control modes, one is that the cab control button cleaning car function rocker switch 1 transmits the signal to the front field digital insurance box 2 or the chassis digital insurance box 4, and the front field digital insurance box 2 or the chassis digital insurance box 4 outputs high level on the corresponding function pin to control the opening and closing of the corresponding electromagnetic valve of the cleaning car upper installation. The second is that the corresponding cleaning car function is opened on the cleaning car central control terminal 3, and the cleaning car central control terminal 3 sends the control signal of the corresponding function to the front field digital insurance box 2 or the chassis digital insurance box 4 through the CAN network to send a message, and the front field digital insurance box 2 or the chassis digital insurance box 4 outputs high level on the corresponding function pin to control the opening and closing of the corresponding electromagnetic valve of the cleaning car upper installation. The utility model cancels the MCU controller, the insurance box and the like separately configured on the upper installation in structure, adopts a set of controllers shared with the chassis, thereby saving the cost and reducing the component failure rate due to too many components; thereby realizing the data intercommunication between the chassis and the upper installation, and realizing the control of the upper installation through the vehicle integrated control thought.

[0041] Although the utility model has been described in detail above with general description and specific embodiments, some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, these modifications or improvements made on the basis of not deviating from the spirit of the utility model, all belong to the scope of protection required by the utility model.

Claims

1. A control device for an electrically driven cleaning vehicle, characterized in that The washing car function rocker switch (1), the front field digital fuse box (2), the washing car central control terminal (3) and the chassis digital fuse box (4) are included. The washing car function rocker switch (1) and the front field digital fuse box (2) are electrically connected; the washing car central control terminal (3) and the front field digital fuse box (2) are electrically connected. The front field digital fuse box (2) is used to collect the hard-wired signal of the washing car function rocker switch (1) or the CAN message signal of the washing car central control terminal (3), so as to open or close the electromagnetic valve on the washing car through the front field digital fuse box (2). The washing car central control terminal (3) is also electrically connected with the chassis digital fuse box (4), and the chassis digital fuse box (4) is used to collect the CAN message signal of the front field digital fuse box (2) or the washing car central control terminal (3), so as to open or close the electromagnetic valve on the washing car through the chassis digital fuse box (4).

2. The control device for a pure electric cleaning vehicle according to claim 1, characterized in that, The VCU vehicle control unit (5) is also included, and the front field digital fuse box (2), the washing car central control terminal (3) and the chassis digital fuse box (4) are electrically connected with the VCU vehicle control unit (5), and the VCU vehicle control unit (5) is used to perform conversion of communication between the washing car mounted system and the chassis.

3. The control device for a pure electric cleaning vehicle according to claim 2, characterized in that, The vehicle-mounted communication device (6) is also included, and the vehicle-mounted communication device (6) is electrically connected with the VCU vehicle control unit (5), and the vehicle-mounted communication device (6) is used to connect a monitoring platform to detect the running state of the washing car in real time.

4. The control device for a pure electric cleaning vehicle according to claim 2, characterized in that, The music horn (7) is also included, and the music horn (7) is electrically connected with the VCU vehicle control unit (5), and the music horn (7) is used for washing car water level alarm.

5. The control device for a pure electric cleaning vehicle according to claim 2, characterized in that, The low-pressure water pump (8) is also included, and the low-pressure water pump (8) is electrically connected with the VCU vehicle control unit (5), and the low-pressure water pump (8) is used to receive the signal of the front field digital fuse box (2) to start the low-pressure water spraying motor of the washing car.

6. The control device for a pure electric cleaning vehicle according to claim 2, characterized in that, The high-pressure water pump (9) is also included, and the high-pressure water pump (9) is electrically connected with the VCU vehicle control unit (5), and the high-pressure water pump (9) is used to receive the signal of the front field digital fuse box (2) to start the high-pressure water spraying motor of the washing car.

7. The control device for a pure electric cleaning vehicle according to claim 2, characterized in that, The OBD interface (10) is also included, and the OBD interface (10) is electrically connected with the VCU vehicle control unit (5), and the OBD interface (10) is used for writing, debugging and maintaining the washing car mounted control device.

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