CN113320016A - Control device, method and system and electric mixer truck - Google Patents
Control device, method and system and electric mixer truck Download PDFInfo
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- CN113320016A CN113320016A CN202110748185.4A CN202110748185A CN113320016A CN 113320016 A CN113320016 A CN 113320016A CN 202110748185 A CN202110748185 A CN 202110748185A CN 113320016 A CN113320016 A CN 113320016A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/42—Apparatus specially adapted for being mounted on vehicles with provision for mixing during transport
- B28C5/4203—Details; Accessories
- B28C5/4206—Control apparatus; Drive systems, e.g. coupled to the vehicle drive-system
- B28C5/422—Controlling or measuring devices
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- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The invention provides a control device, a control method, a control system and an electric mixer truck, wherein the device comprises: the drive motor controller and the upper motor controller are connected with each other; the alternating current output end of the driving motor controller is electrically connected with the driving motor through a first switch; the alternating current output end of the upper motor controller is electrically connected with the upper motor through a second switch; and the alternating current output end of the driving motor controller is electrically connected with the alternating current output end of the upper motor controller through a third switch. The device, the method and the system provided by the invention realize mutual backup of the driving motor controller and the upper motor controller, reduce potential faults of the electric mixer truck and improve the safety and the operation efficiency of the electric mixer truck.
Description
Technical Field
The invention relates to the technical field of mechanical engineering, in particular to a control device, a control method, a control system and an electric mixer truck.
Background
In the use process of the electric mixer truck, the upper mixing drum driving system is used as a power source for mixing concrete by the mixing drum, the core components of the current upper driving system are an upper motor and an upper electric control controller, and the working principle is as follows: the upper motor controller inverts direct current of the vehicle-mounted power battery into three-phase alternating current, and the upper motor is driven by the three-phase cable to output power to drive the mixing drum to rotate.
Because concrete is filled in the mixing drum, the upper driving system must ensure that the mixing drum can normally output power to drive the mixing drum to rotate in all scenes filled with the concrete, so as to prevent the concrete from solidifying. However, the existing upper-mounted motor electric control system may have the defects that an upper-mounted electric control transistor (IGBT) is burnt out and some unexpected faults cause that the upper-mounted system cannot normally output power, an upper-mounted mixing drum cannot normally rotate, concrete is solidified, and great economic loss is brought to the whole vehicle.
Disclosure of Invention
The invention provides a control device, a control method, a control system and an electric mixer truck, which are used for solving the technical problems that concrete in a mixing drum is easy to solidify and the safety of the electric mixer truck is poor when an upper motor controller in the prior art breaks down.
The invention provides a control device, which comprises a driving motor controller and an upper motor controller, wherein the driving motor controller is connected with the upper motor controller;
the alternating current output end of the driving motor controller is electrically connected with the driving motor through a first switch; the alternating current output end of the upper motor controller is electrically connected with the upper motor through a second switch; and the alternating current output end of the driving motor controller is electrically connected with the alternating current output end of the upper motor controller through a third switch.
According to the control device provided by the invention, the direct current input end of the driving motor controller and the direct current input end of the upper motor controller are both connected with the power supply output end of the power battery; and the control signal input end of the driving motor controller and the control signal input end of the upper motor controller are connected with the control signal output end of the central controller.
According to the control device provided by the invention, the state feedback output end of the driving motor controller and the state feedback output end of the upper motor controller are both electrically connected with the parameter acquisition end of the central controller.
According to the control device provided by the invention, the parameter feedback end of the driving motor and the parameter feedback end of the upper motor are both electrically connected with the parameter acquisition end of the central controller.
According to the control device provided by the invention, the driving motor controller and the upper-mounted motor controller are integrated in the same circuit.
The invention provides a control method, which is applied to an electric mixer truck comprising the control device and comprises the following steps:
acquiring the running states of a driving motor controller and an upper motor controller;
if the running state of the upper motor controller is detected to be abnormal and the running state of the driving motor controller is detected to be normal, the first switch is controlled to be switched off, the second switch is controlled to be switched on and the third switch is controlled to be switched on;
and sending the control parameters of the upper motor to a driving motor controller so that the driving motor controller can control the upper motor.
According to the control method provided by the invention, the acquiring of the running states of the driving motor controller and the upper-mounted motor controller comprises the following steps:
if the running state of the upper motor controller is detected to be standby or normal and the running state of the driving motor controller is detected to be abnormal, the second switch is controlled to be switched off, the first switch is controlled to be switched on, and the third switch is controlled to be switched on;
and sending the control parameters of the driving motor to a loading motor controller so that the loading motor controller can control the driving motor.
According to the control method provided by the invention, the acquiring of the running states of the driving motor controller and the upper-mounted motor controller comprises the following steps:
if the running state of the upper motor controller and the running state of the driving motor controller are both normal, the third switch is controlled to be switched off, the first switch is controlled to be switched on, and the second switch is controlled to be switched on;
and sending the control parameters of the driving motor to a driving motor controller so that the driving motor controller can control the driving motor, and/or sending the control parameters of the upper-mounted motor to an upper-mounted motor controller so that the upper-mounted motor controller can control the upper-mounted motor.
The invention also provides a control system, which comprises a central controller and the control device; the central controller executes the control method.
The invention also provides an electric mixer truck comprising the control system.
According to the control device, the control method and the control system and the electric mixer truck, the alternating current output end of the driving motor controller is electrically connected with the driving motor through the first switch; the alternating current output end of the upper motor controller is electrically connected with the upper motor through a second switch; the alternating current output end of the driving motor controller is electrically connected with the alternating current output end of the upper motor controller through a third switch, mutual backup of the driving motor controller and the upper motor controller is achieved by controlling the on-off of the three switches, concrete in the mixing drum is prevented from solidifying when the upper motor controller breaks down, meanwhile, the upper motor controller can also be used for controlling the driving motor, potential faults of the electric mixing truck are reduced, and the safety and the operation efficiency of the electric mixing truck are improved.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a control device according to the present invention;
FIG. 2 is a schematic flow chart of a control method provided by the present invention;
fig. 3 is a second schematic structural diagram of the control device provided in the present invention.
Reference numerals:
100: a control device; 110: a drive motor controller;
120: installing a motor controller; 111: a first switch;
121: a second switch; 131: a third switch;
112: a drive motor; 122: the motor is arranged on the frame.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a schematic structural diagram of a control device according to the present invention, and as shown in fig. 1, the device 100 includes a driving motor controller 110 and an upper motor controller 120.
The alternating current output end of the driving motor controller 110 is electrically connected with the driving motor through a first switch 111; the alternating current output end of the upper motor controller 120 is electrically connected with the upper motor through a second switch 121; the ac output terminal of the driving motor controller 110 is electrically connected to the ac output terminal of the upper motor controller 120 through a third switch 131.
Specifically, the electric mixer truck is a working machine driven by a power battery. The mixer truck top-loading refers to parts of the mixer truck except for a chassis and a mudguard, and comprises a mixer tank body, a support, a feed hopper, a discharge hopper, a top-loading motor, a water tank, a pipeline, an operation link mechanism and the like. The driving motor is used for driving the electric mixer truck to run. The upper motor is used for driving the mixing drum of the electric mixer truck to rotate and mix, so that concrete in the mixing drum is prevented from solidifying. The driving motor and the upper motor can adopt three-phase alternating current motors.
The drive motor 112 is controlled by the drive motor controller 110. For example, the driving motor controller 110 obtains dc power from the power battery, inverts the dc power, and outputs ac power to control the driving motor 112. The driving motor controller 110 may control the torque, the rotation speed, and the like of the driving motor by controlling the voltage, the frequency, and the like of the alternating current power source. The principle of the upper motor 122 controlled by the upper motor controller 120 is similar.
Control of the motor 122 on the top of the electric mixer vehicle is important. When the upper motor controller 120 fails, if concrete which is not discharged yet exists in the mixing drum at this time, the concrete is easily solidified and cannot be discharged, so that the electric mixer cannot be used continuously. At this time, the driving motor controller 110 may be used to control the upper motor 122 in combination with the control characteristics of the driving motor 112 and the upper motor 122, thereby replacing the upper motor controller 120 having a failure.
In designing the circuit, the ac output terminal of the drive motor controller 110 is electrically connected to the drive motor 112 through the first switch 111, the ac output terminal of the upper motor controller 120 is electrically connected to the upper motor 122 through the second switch 121, and the ac output terminal of the drive motor controller 110 is electrically connected to the ac output terminal of the upper motor controller 120 through the third switch 131.
The first switch 111 may be controlled to be opened and the second switch 121 and the third switch 131 may be closed so that the circuit between the driving motor controller 110 and the upper motor 122 is connected, and the upper motor 122 may be controlled by the driving motor controller 110. Meanwhile, the second switch 121 may be controlled to be opened, and the first switch 111 and the third switch 131 are closed, so that the circuit between the upper motor controller 120 and the driving motor 112 is connected, and the driving motor 112 may be controlled by the upper motor controller 120. In addition, the third switch 131 can be controlled to be opened, the first switch 111 is controlled to be closed, and the second switch 121 is controlled to be closed, so that the control loops of the driving motor 112 and the upper-mounted motor 122 are not interfered with each other. By flexibly controlling the on-off of the three switches, the driving motor controller 110 and the upper motor controller 120 can be mutually backed up.
According to the control device provided by the embodiment of the invention, the alternating current output end of the driving motor controller is electrically connected with the driving motor through the first switch; the alternating current output end of the upper motor controller is electrically connected with the upper motor through a second switch; the alternating current output end of the driving motor controller is electrically connected with the alternating current output end of the upper motor controller through a third switch, mutual backup of the driving motor controller and the upper motor controller is achieved by controlling the on-off of the three switches, concrete in the mixing drum is prevented from solidifying when the upper motor controller breaks down, meanwhile, the upper motor controller can also be used for controlling the driving motor, potential faults of the electric mixing truck are reduced, and the safety and the operation efficiency of the electric mixing truck are improved.
Based on the above embodiment, the dc input terminals of the driving motor controller 110 and the upper motor controller 120 are both connected to the power output terminal of the power battery; the control signal input end of the driving motor controller 110 and the control signal input end of the upper motor controller 120 are both connected with the control signal output end of the central controller.
Specifically, the power battery is a power source of the electric mixer truck. The direct current input end of the driving motor controller 110 and the direct current input end of the upper motor controller 120 are both connected with the power output end of the power battery. For convenience of wiring, a direct current bus may be provided, the direct current bus is connected to the output end of the power battery, and then the direct current input end of the driving motor controller 110 and the direct current input end of the upper motor controller 120 are respectively connected to the direct current bus, so that the driving motor controller 110 and the upper motor controller 120 can obtain a stable direct current power supply from the power battery.
The central controller is an important controller of the electric mixer truck and controls the operation of the whole electric mixer truck. The control signal input end of the driving motor controller 110 and the control signal input end of the upper motor controller 120 are connected with the control signal output end of the central controller, and the central controller is used for controlling the driving motor controller 110 and the upper motor controller 120 to switch.
Based on any of the above embodiments, the state feedback output end of the driving motor controller 110 and the state feedback output end of the upper motor controller 120 are both electrically connected to the parameter collecting end of the central controller.
Specifically, the operating state of the drive motor controller 110 and/or the upper motor controller 120 may be fed back into the central controller. For example, a communication connection may be established between the driving motor controller 110 and the central controller by means of communication, and the real-time operation status of the driving motor controller 110 may be transmitted to the central controller.
Based on any one of the above embodiments, the parameter feedback end of the driving motor and the parameter feedback end of the upper motor are both electrically connected with the parameter acquisition end of the central controller.
Specifically, the operation parameters of the driving motor and the upper motor can be directly fed back to the central controller, the central controller displays and analyzes the working states of the two motors, meanwhile, when the motor controller corresponding to any one of the motors fails, the central controller can be switched to the other motor controller, the operation parameters of the motor are sent to the switched motor controller, and the switched motor controller controls the motor according to the operation parameters of the motor.
Based on any of the above embodiments, the drive motor controller 110 and the upper motor controller 120 are integrated in the same circuit.
Specifically, the driving motor controller 110 and the upper motor controller 120 can be integrated in the same circuit, so that the arrangement space of the motor control part of the electric mixer truck is more compact, and the mounting bracket of the whole truck component and the connection of the wire harness are reduced.
Based on any of the above embodiments, fig. 2 is a schematic flow chart of a control method provided by the present invention, and is applied to an electric mixer truck including a control device, as shown in fig. 2, the method includes:
and step 210, acquiring the running states of the driving motor controller and the upper motor controller.
And step 220, if the running state of the upper motor controller is detected to be abnormal and the running state of the driving motor controller is detected to be normal, controlling the first switch to be switched off, controlling the second switch to be switched on and controlling the third switch to be switched on.
And step 230, sending the control parameters of the upper motor to the drive motor controller so that the drive motor controller can control the upper motor.
Specifically, the operation state of the drive motor controller or the upper-mounted motor controller includes normal, abnormal, standby, and the like. These operating states can be transmitted by the respective motor controller to the central controller by means of communication.
If the running state of the upper motor controller is detected to be abnormal and the running state of the driving motor controller is detected to be normal, the upper motor controller is indicated to have a fault, and at the moment, in order to avoid concrete solidification in the mixing drum, the first switch is controlled to be switched off, the second switch is controlled to be switched on, and the third switch is controlled to be switched on, so that a circuit between the driving motor controller and the upper motor is conducted.
At this time, if the electric mixer vehicle should stop during the driving process so that the driving motor can stop working, the driving motor controller can quit the program for controlling the driving motor and switch to the program for controlling the upper motor.
And the central controller sends the control parameters of the upper motor to the driving motor controller so that the driving motor controller can control the upper motor. The control parameters can be resolver parameters of the upper-mounted motor, motor temperature, three-phase current and the like.
The control method provided by the embodiment of the invention obtains the running states of the driving motor controller and the upper motor controller; if the running state of the upper motor controller is detected to be abnormal and the running state of the driving motor controller is detected to be normal, the first switch is controlled to be switched off, the second switch is controlled to be switched on and the third switch is controlled to be switched on; the control parameters of the upper motor are sent to the drive motor controller, so that the drive motor controller can control the upper motor, switching control between the drive motor controller and the upper motor controller which are backed up mutually is realized, concrete in the mixing drum is prevented from being solidified when the upper motor controller fails, potential faults of the electric mixing truck are reduced, and the safety and the operation efficiency of the electric mixing truck are improved.
Based on any of the above embodiments, step 210 includes, after:
if the running state of the upper motor controller is detected to be standby or normal and the running state of the driving motor controller is detected to be abnormal, the second switch is controlled to be switched off, the first switch is controlled to be switched on, and the third switch is controlled to be switched on;
and sending the control parameters of the driving motor to the upper assembling motor controller so that the upper assembling motor controller can control the driving motor.
Specifically, if it is detected that the operating state of the upper motor controller is standby or normal and the operating state of the driving motor controller is abnormal, it indicates that the driving motor controller has a fault and the upper motor does not operate or the current normal operating state can be ended, at this time, the second switch may be controlled to be opened, the first switch may be controlled to be closed, and the third switch may be controlled to be closed, so that the circuit between the upper motor controller and the driving motor is turned on.
And the central controller sends the control parameters of the driving motor to the upper assembling motor controller so that the upper assembling motor controller can control the driving motor. The control parameters can be resolver parameters of a driving motor, motor temperature, three-phase current and the like.
Based on any of the above embodiments, step 210 includes, after:
if the running state of the upper motor controller and the running state of the driving motor controller are both normal, the third switch is controlled to be switched off, the first switch is controlled to be switched on, and the second switch is controlled to be switched on;
and/or sending the control parameter of the upper motor to the upper motor controller so that the upper motor controller can control the upper motor.
Specifically, if the running state of the upper motor controller and the running state of the driving motor controller are detected to be normal, it is indicated that both the upper motor controller and the driving motor controller have faults, and at this time, the third switch can be controlled to be switched off, and the first switch can be controlled to be switched on and the second switch can be controlled to be switched on.
The central controller sends the control parameters of the driving motor to the driving motor controller so that the driving motor controller can control the driving motor, and/or sends the control parameters of the upper-mounted motor to the upper-mounted motor controller so that the upper-mounted motor controller can control the upper-mounted motor, the driving motor and the upper-mounted motor are respectively controlled by the corresponding motor controllers, and control loops of the two motors are not interfered with each other.
Based on any of the above embodiments, fig. 3 is a second schematic structural diagram of the control device provided by the present invention, and as shown in fig. 3, the control device is an all-in-one controller integrating a driving motor controller and an upper mounted motor controller. The direct current input end of the driving motor controller and the direct current input end of the upper motor controller are both connected with the power supply output end of the power battery.
The alternating current output end of the driving motor controller is electrically connected with the driving motor through a first switch; the alternating current output end of the upper motor controller is electrically connected with the upper motor through a second switch; the alternating current output end of the driving motor controller is electrically connected with the alternating current output end of the upper motor controller through a third switch.
Wherein, the first switch comprises a relay K4, a relay K5 and a relay K6. The second switch includes a relay K7, a relay K8, and a relay K9. The third switch includes a relay K1, a relay K2, and a relay K3.
Through the structure, mutual backup of the driving motor controller and the upper motor controller can be realized, namely when the upper motor controller cannot work normally, the upper motor can be driven to work through the driving motor controller; when the driving motor controller can not work normally, the upper motor controller can be used for controlling the driving motor to work.
When the upper-mounted motor controller fails and cannot drive the upper-mounted stirring drum to rotate, and the upper-mounted stirring drum is loaded with materials, the vehicle is stopped, the whole vehicle is controlled to disconnect three-phase lines of the driving motor or directly disconnect the three-phase lines of the driving motor, then K1, K2, K3, K7, K8 and K9 are controlled to be closed, K4, K5 and K6 are controlled to be disconnected, the driving motor controller is switched to a mode of controlling the upper-mounted motor, and the upper-mounted motor is controlled to work.
When the driving motor controller fails and cannot drive wheels to run and the vehicle needs to continue to a safe position, the vehicle is stopped first, the whole vehicle is controlled to disconnect the three-phase line of the upper motor or directly remove the three-phase line of the upper motor, then K1, K2, K3, K4, K5 and K6 are controlled to be closed, K7, K8 and K9 are controlled to be disconnected, and the upper motor controller is switched to a driving motor control mode to control the driving motor to work.
When the upper motor controller and the driving motor controller work normally, the K4, the K5, the K6, the K7, the K8 and the K9 are controlled to be closed, the K1, the K2 and the K3 are controlled to be disconnected, the upper motor controller controls the upper motor to work, and the driving motor controller controls the driving motor to work.
According to the control device provided by the embodiment of the invention, the driving motor controller and the upper-mounted motor controller are mutually backups, and the driving motor controller can control the upper-mounted motor in an emergency manner, so that the loss caused by concrete solidification in the upper-mounted mixing drum due to the fault of an upper-mounted driving system is prevented; the upper motor controller can control the driving motor in an emergency mode, and potential safety hazards and economic losses caused by the fact that the whole vehicle cannot move due to faults of an electric control system of the driving motor are prevented.
Based on any one of the above embodiments, an embodiment of the present invention provides a control system, including a central controller and a control device; the central controller executes the control method.
Specifically, the central controller may include a processor and a memory, and the processor may call logical commands in the memory to perform the following method:
acquiring the running states of a driving motor controller and an upper motor controller; if the running state of the upper motor controller is detected to be abnormal and the running state of the driving motor controller is detected to be normal, the first switch is controlled to be switched off, the second switch is controlled to be switched on and the third switch is controlled to be switched on; and sending the control parameters of the upper motor to the drive motor controller so that the drive motor controller can control the upper motor.
In addition, the logic commands in the memory may be implemented in the form of software functional units and may be stored in a computer readable storage medium when sold or used as a stand-alone product. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes a plurality of commands for enabling a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
Based on any one of the above embodiments, the embodiment of the invention further provides an electric mixer truck, which comprises a control system.
Concretely, the electric mixer truck comprises a truck body, a driving motor, an upper motor and a control system. The driving motor is arranged in the chassis, connected with the wheels and used for driving the electric mixer truck to run, and the upper-mounted motor is arranged on the upper-mounted part and connected with the mixing drum and used for driving the mixing drum to rotate.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium, such as ROM/RAM, magnetic disk, optical disk, etc., and includes commands for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method according to the embodiments or some parts of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A control device is characterized by comprising a driving motor controller and an upper motor controller;
the alternating current output end of the driving motor controller is electrically connected with the driving motor through a first switch; the alternating current output end of the upper motor controller is electrically connected with the upper motor through a second switch; and the alternating current output end of the driving motor controller is electrically connected with the alternating current output end of the upper motor controller through a third switch.
2. The control device of claim 1, wherein the direct current input end of the drive motor controller and the direct current input end of the upper motor controller are both connected with the power supply output end of a power battery; and the control signal input end of the driving motor controller and the control signal input end of the upper motor controller are connected with the control signal output end of the central controller.
3. The control device according to claim 2, wherein the state feedback output end of the driving motor controller and the state feedback output end of the upper motor controller are electrically connected with a parameter acquisition end of the central controller.
4. The control device according to claim 3, wherein the parameter feedback end of the driving motor and the parameter feedback end of the upper motor are both electrically connected with the parameter acquisition end of the central controller.
5. The control device of claim 4, wherein the drive motor controller and the upper-mounted motor controller are integrated in the same circuit.
6. A control method applied to an electric mixer vehicle including the control device according to any one of claims 1 to 5, comprising:
acquiring the running states of a driving motor controller and an upper motor controller;
if the running state of the upper motor controller is detected to be abnormal and the running state of the driving motor controller is detected to be normal, the first switch is controlled to be switched off, the second switch is controlled to be switched on and the third switch is controlled to be switched on;
and sending the control parameters of the upper motor to a driving motor controller so that the driving motor controller can control the upper motor.
7. The control method according to claim 6, wherein the acquiring of the operating states of the drive motor controller and the upper-mounted motor controller thereafter includes:
if the running state of the upper motor controller is detected to be standby or normal and the running state of the driving motor controller is detected to be abnormal, the second switch is controlled to be switched off, the first switch is controlled to be switched on, and the third switch is controlled to be switched on;
and sending the control parameters of the driving motor to a loading motor controller so that the loading motor controller can control the driving motor.
8. The control method according to claim 6, wherein the acquiring of the operating states of the drive motor controller and the upper-mounted motor controller thereafter includes:
if the running state of the upper motor controller and the running state of the driving motor controller are both normal, the third switch is controlled to be switched off, the first switch is controlled to be switched on, and the second switch is controlled to be switched on;
and sending the control parameters of the driving motor to a driving motor controller so that the driving motor controller can control the driving motor, and/or sending the control parameters of the upper-mounted motor to an upper-mounted motor controller so that the upper-mounted motor controller can control the upper-mounted motor.
9. A control system comprising a central controller, a control device according to any one of claims 1 to 5;
the central controller performs the control method according to any one of claims 6 to 8.
10. An electric mixer vehicle, characterized in that it comprises a control system according to claim 9.
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| CN202110748185.4A CN113320016A (en) | 2021-06-29 | 2021-06-29 | Control device, method and system and electric mixer truck |
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| CN202110748185.4A CN113320016A (en) | 2021-06-29 | 2021-06-29 | Control device, method and system and electric mixer truck |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115214366A (en) * | 2022-06-29 | 2022-10-21 | 上海启源芯动力科技有限公司 | Method, system, equipment and storage medium for preventing tank building of mixer truck |
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Application publication date: 20210831 |