CN210395481U - Control system of electric equipment and bulldozer - Google Patents
Control system of electric equipment and bulldozer Download PDFInfo
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- CN210395481U CN210395481U CN201920825479.0U CN201920825479U CN210395481U CN 210395481 U CN210395481 U CN 210395481U CN 201920825479 U CN201920825479 U CN 201920825479U CN 210395481 U CN210395481 U CN 210395481U
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Abstract
The utility model provides an electric equipment's control system and bull-dozer, include: the vehicle control module, the motor control module and the battery control module are provided with at least one single battery component; the whole vehicle control module is respectively electrically connected with the at least one single battery pack and the motor control module, is used for controlling the at least one single battery pack and obtaining corresponding battery information from each single battery pack, and is also used for adjusting working parameters of the motor control module according to the battery information. The utility model discloses a be connected at least one battery cell assembly and motor control module with whole car control module electricity respectively, be favorable to the extension of correlation function and whole car control module to in time adjusting whole car operation conditions according to battery system's operational aspect, improved electrical equipment's control efficiency, reduced control module's quantity simultaneously for it is simpler to arrange, saves the cost simultaneously.
Description
Technical Field
The embodiment of the utility model provides a relate to engineering machine tool technical field, especially relate to an electric equipment's control system and bull-dozer.
Background
Energy and environmental protection become one of the topics in the world at present, and a bulldozer, as an important member of engineering machinery, plays a key role in economic construction and is also an important device for energy consumption. At present, China does not have a mature pure electric bulldozer, and the development of the pure electric bulldozer industry mainly faces the following problems: the power battery control system and the whole vehicle control system are relatively independent and are not communicated with each other, expansion of related functions is not facilitated, the whole vehicle controller adjusts operation of the whole vehicle according to different working conditions, the whole vehicle control system cannot correspondingly control faults of the power battery, great potential safety hazards exist, and meanwhile working efficiency is also influenced. In addition, if the current battery control system is adopted, the bulldozer uses at least 3 controllers of a vehicle control unit, a motor controller and a battery control system controller, which not only has influence on arrangement, but also increases the cost.
SUMMERY OF THE UTILITY MODEL
The utility model provides an electrical equipment's control system and bull-dozer is connected at least one battery pack and motor control module with whole car control module electricity respectively, is favorable to the extension of correlation function and puts in order car control module to adjust in time whole car operation according to battery system's behavior, in addition, the utility model discloses integrated whole car control module with battery control's function, reduced control module's quantity for arrange simpler, more save the cost.
In a first aspect, a control system for an electrically powered device, the control system comprising: the system comprises a whole vehicle control module, a motor control module and at least one single battery pack;
the whole vehicle control module is respectively electrically connected with the at least one single battery pack and the motor control module, is used for controlling the at least one single battery pack and obtaining corresponding battery information from each single battery pack, and is also used for adjusting working parameters of the motor control module according to the battery information.
Optionally, the at least one single battery assembly includes a single battery and a single battery control module electrically connected to the single battery, and the single battery control module is configured to control the single battery to operate and collect data information of the single battery for output.
Optionally, the single battery control module includes a battery state detection circuit, a battery state analysis circuit, a battery safety protection circuit, an energy control circuit, and a battery information control circuit;
the battery state detection circuit is used for detecting voltage, current, voltage and temperature of the single battery; the battery state analysis circuit is used for evaluating the residual electric quantity and the aging degree of the single battery; the battery safety protection circuit is used for performing overcurrent protection, overvoltage protection and overcharge and discharge protection on the single battery; the energy control circuit is used for controlling the charging and discharging processes of the single batteries and balancing the batteries; the battery information control circuit is used for displaying the information of the single battery, exchanging the information inside and outside the system and storing the historical information of the single battery.
Optionally, the single battery control module further includes a single battery starting circuit, and the single battery starting circuit is configured to start or close the battery state detection circuit, the battery state analysis circuit, the battery safety protection circuit, the energy control circuit, and the battery information control circuit of the single battery control module according to an instruction of the vehicle control module.
Optionally, the adjusting, by the vehicle control module, the working parameters of the motor control module according to the battery information specifically includes:
and when the whole vehicle control module detects that the battery residual capacity of the at least one single battery component is smaller than or equal to the residual capacity threshold value, the power of the motor control module is reduced to be smaller than or equal to a first limited power.
Optionally, the control system includes a plurality of the single batteries, the plurality of the single batteries include at least one battery pack connected in series, the battery pack includes a plurality of battery units connected in parallel, and the battery unit includes a plurality of single batteries connected in series; the at least one battery pack is distributed over a plurality of regions of the electrically powered device.
Optionally, the control system of the electric device further includes: the protection circuit, the total insulation detection circuit, the temperature control circuit, the total current detection circuit and the total voltage detection circuit;
the protection circuit, the total insulation detection circuit, the temperature detection circuit, the total current detection circuit and the total voltage detection circuit are respectively and electrically connected with the whole vehicle control module;
the protection circuit is connected in series with a main circuit of the at least one battery pack and used for switching on or switching off a charge-discharge loop of the at least one battery pack according to an instruction of the whole vehicle control module; the total insulation detection circuit is electrically connected with the at least one battery pack and used for detecting the insulation of the at least one battery pack according to the total voltage of the at least one battery pack; the temperature detection circuit is used for detecting relevant parameters such as ambient temperature and the like and heating or cooling the at least one battery pack; the total current detection circuit is used for detecting the total current of the series circuit formed by the at least one battery pack, and the total voltage detection circuit is used for detecting the total voltage of the series circuit formed by the at least one battery pack.
Optionally, the control system of the electric device further comprises a whole vehicle display, wherein the whole vehicle display is electrically connected with the whole vehicle control module and used for acquiring relevant information of the at least one single battery pack from the whole vehicle control module, displaying the relevant information in real time and simultaneously giving an alarm for the at least one single battery pack.
In a second aspect, a bulldozer includes the control system for the electric powered device of the first aspect.
The utility model discloses a be connected at least one battery pack and motor control module with whole car control module electricity respectively, whole car control module is according to the battery information who gathers, properly adjusts motor control module's operating parameter for electric equipment work is in the state that battery and motor are rationally matched, is favorable to the extension of correlation function and whole car control module to in time adjust whole car running state according to battery system's behavior. Furthermore, the utility model provides a control system has reduced control module's quantity with battery control's function integration in whole car control module for it is simpler to arrange, saves the cost simultaneously.
Drawings
Fig. 1 is a schematic view of a control system of an electric device according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a single battery control module according to an embodiment of the present invention;
fig. 3 is a schematic view of a connection mode of a plurality of single batteries according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Fig. 1 is a control system of an electric device according to an embodiment of the present invention, as shown in fig. 1, the control system includes: the system comprises a whole vehicle control module 101, a motor control module 102 and at least one single battery pack 103;
the vehicle control module 101 is electrically connected to at least one battery pack 103 and the motor control module 102, and is configured to control the at least one battery pack 103, acquire corresponding battery information from each battery pack 103, and adjust a working parameter of the motor control module 102 according to the battery information.
The embodiment of the utility model provides an electric equipment's control system, with the control function integration of battery to in whole car control module, whole car control module acquires corresponding battery information from every battery pack, and carry out the analysis so that carry out corresponding control to every battery pack to battery information, whole car control module still according to battery information, carry out corresponding adjustment to motor control module's operating parameter, so that electric equipment makes electric equipment work at the state that battery and motor rationally match. In addition, the battery function is integrated in the whole vehicle control module, so that the expansion of related functions is facilitated, the number of the control modules is reduced, the arrangement is simpler, and the cost is greatly saved.
Optionally, with continued reference to fig. 1, at least one single battery assembly 103 includes a single battery 104 and a single battery control module 105 electrically connected to the single battery 104, where the single battery control module 105 is configured to control the single battery 104 to operate and collect data information of the single battery for output.
Each single battery component 103 is composed of a single battery 104 and a single battery control module 105, the electric device comprises at least one single battery component 103, the single battery control module 105 controls the single battery 104 to work, battery information is collected at the same time, the collected battery information is sent to the whole vehicle control module 101 through a CAN bus, the whole vehicle control module 101 analyzes the working condition of the single battery 104 according to the battery information, and reasonable control is carried out on the at least one single battery component 103 and the motor control module 102 according to the analysis result, so that the electric device keeps a good running state.
Optionally, fig. 2 is a schematic diagram of a single battery control module provided in an embodiment of the present invention, as shown in fig. 2, the single battery control module 105 includes a battery state detection circuit 202, a battery state analysis circuit 203, a battery safety protection circuit 204, an energy control circuit 205, and a battery information control circuit 206;
the battery state detection circuit 202 is used for detecting voltage, current, voltage and temperature of the single battery 104; the battery state analysis circuit 203 is used for evaluating the residual capacity and the aging degree of the single battery 104; the battery safety protection circuit 204 is used for performing overcurrent protection, overvoltage protection and overcharge/discharge protection on the single battery 104; the energy control circuit 205 is used for controlling the charging and discharging processes and balancing the battery of the single battery 104; the battery information control circuit 206 is used for displaying information of the single battery 104, exchanging information inside and outside the system, and storing history information of the single battery 104.
The battery state detection circuit 202 is the most basic function of the battery control module 105, and mainly detects voltage, current and temperature, where the temperature not only refers to the temperature of the battery cell 104 itself, but also detects the environment and the temperature in the battery cell 104 box, so as to maintain the safety of the system. The battery state analysis circuit 203 includes a remaining power analysis (SoC) and a degree of aging (SoH) analysis, wherein the remaining power analysis enables a user to grasp the remaining power of the battery cell 104 and estimate the remaining operating time in accordance with the operating condition of the electric device; the aging degree of the battery is influenced by various factors, such as the working temperature and the discharge current in the working process, and the battery needs to be continuously evaluated and updated to ensure the accuracy of the obtained information. The battery safety protection circuit 204 includes overcurrent, overtemperature, and overcharge/discharge protection, wherein the battery overcurrent protection is a protection measure that is taken when the working current exceeds a safety value in the battery charging/discharging process, and the overcurrent multiplying power and the overload duration supported by the unit batteries 104 of different manufacturers and different models are different, so the overcurrent protection function of the unit batteries 104 in the battery control module 105 must be considered. The control of the charging current in the energy control circuit 205 is mainly to perform optimal control on the charging voltage and current in the charging process of the battery, so as to realize optimization of the charging duration, the charging efficiency and the charging saturation degree. The discharge control is mainly to control the discharge current so that all the unit cells 104 can exhibit greater performance. The battery equalization control management mainly reduces the influence of the inconsistency of the single batteries 104 by taking certain measures so as to achieve the purposes of optimizing the overall discharge efficiency and prolonging the overall service life of all the single batteries 104. Because a large amount of data can be generated in the working process of the single battery 104 of the electric equipment, some data need to be interacted with the instrument to inform a user, some data are transmitted to the whole vehicle control module 101 through a communication network, and some data need to be stored as historical data, and the functions are realized by the battery information control circuit 206.
The embodiment of the utility model provides a single battery control module 105 compares with traditional battery control module, and the function is more complete, and the circuit is independent convenient addition and the reduction of follow-up function relatively.
Optionally, with reference to fig. 2, the single battery control module 105 further includes a single battery starting circuit 201, and the single battery starting circuit 201 is configured to start or close a battery state detection circuit 202, a battery state analysis circuit 203, a battery safety protection circuit 204, an energy control circuit 205, and a battery information control circuit 206 of the single battery control module 105 according to an instruction of the entire vehicle control module 101.
In the embodiment of the present invention, the single battery control module 105 is added with the single battery open circuit 201, the single battery open circuit 201 is controlled by the entire vehicle control module 101, and besides the data acquisition function of the conventional battery control module, the internal of the single battery control module 105 can be specifically controlled, when the electric equipment is started, the whole vehicle control module 101 sends a control instruction that all circuits are opened to the single battery opening circuit 201 of the single battery control module 105, when detecting that the single battery 104 does not meet the data ranges of overcurrent, overtemperature and overcharge and discharge, the entire vehicle control module 101 controls the single battery starting circuit 201 to close the battery safety protection circuit 204, when it is detected that the current, temperature or charge and discharge of the unit cell 104 reaches the range to be protected, the battery safety protection circuit 204 is turned on, so that power consumption consumed by the battery safety protection circuit 204 is greatly saved. For example, when it is detected that the temperature of one single battery 104 exceeds a certain value, the entire vehicle control module 101 controls the starting circuit 201 of the single battery to start the battery safety protection circuit 204, so as to protect the single battery 104. The embodiment of the utility model provides a circuit 201 is opened through increasing battery cell in battery cell control module 105, according to battery cell 104's actual need, opens or closes the inside circuit of battery cell control module 105, has saved the consumption of electric energy greatly, prevents the consumption of electric energy.
Optionally, the adjusting, by the vehicle control module 101, the working parameter of the motor control module 102 according to the battery information specifically includes:
the entire vehicle control module 101 reduces the power of the motor control module 102 to be less than or equal to a first defined power when detecting that the battery residual capacity of at least one single battery assembly 103 is less than or equal to the residual capacity threshold value.
After the vehicle controller module 101 acquires the information of the at least one single battery assembly 103, when it is detected that the battery remaining capacity of the at least one single battery assembly 103 is less than or equal to the remaining capacity threshold, the power-limited output design is performed on the electric device by combining with the motor control module 102, so that the battery and the motor of the vehicle electric device work in a reasonable matching state, and the vehicle controller module adapts to different working conditions.
Optionally, the control system includes a plurality of single batteries 104, the plurality of single batteries 104 includes at least one battery pack 301 connected in series, the battery pack includes a plurality of battery units 302 connected in parallel, and the battery units 302 include a plurality of single batteries 104 connected in series; at least one battery pack 301 is distributed in a plurality of regions of the electric device.
Fig. 3 is a schematic diagram of a connection mode of a plurality of battery cells provided in an embodiment of the present invention, as shown in fig. 3, a plurality of battery cells 104 are connected in series to form a battery unit 302, and fig. 3 only shows 3 battery cells 104 by way of example but does not constitute the limitation of the present invention, and the number of the battery cells 104 forming the battery unit 302 can be appropriately selected according to specific needs during actual use. A plurality of battery cell 302 connect in parallel and constitute a group battery 301, and is same, figure 3 only exemplary give 2 battery cell 302 but do not constitute right the utility model discloses a limit, can be according to specific need during the in-service use, suitably select the parallelly connected quantity of forming battery cell 302 of group battery 301, adopt the series system electricity to connect between the group battery 301, figure 3 only exemplary give 2 group battery 301 but do not constitute to the utility model discloses a limit, can be according to specific need during the in-service use, suitably select the quantity of group battery 301, this kind of connection mode of the parallelly connected monomer battery 104 that combines together of cluster can satisfy the power demand of electrical equipment more in a flexible way for the electric energy of monomer battery 104 obtains more reasonable utilization. In addition, the battery pack 301 can be distributed in a plurality of areas of the electric equipment, the arrangement of the battery pack is more flexible, and the available space of the electric equipment is fully utilized.
Optionally, with continued reference to fig. 1, the control system of the electrically powered device further comprises: a protection circuit 106, a total insulation detection circuit 107, a temperature control circuit 108, a total current detection circuit 109, and a total voltage detection circuit 110;
the protection circuit 106, the total insulation detection circuit 107, the temperature detection circuit 108, the total current detection circuit 109 and the total voltage detection circuit 110 are respectively electrically connected with the whole vehicle control module 101;
the protection circuit 106 is connected in series to the main circuit of at least one battery pack 301 and is used for switching on or switching off the charge-discharge loop of at least one battery pack 301 according to the instruction of the vehicle control module 101; a total insulation detection circuit 107 electrically connected to the at least one battery pack 301 for detecting insulation of the at least one battery pack 301 based on a total voltage of the at least one battery pack 301; the temperature detection circuit 108 is configured to detect relevant parameters such as an ambient temperature, and to raise or lower the temperature of at least one battery pack 301; total current detection circuit 109 is configured to detect a total current of the series circuit formed by at least one battery pack 301, and total voltage detection circuit 110 is configured to detect a total voltage of the series circuit formed by at least one battery pack 301.
The protection circuit 106, the total insulation detection circuit 107, the temperature detection circuit 108, the total current detection circuit 109 and the total voltage detection circuit 110 are respectively electrically connected with the whole vehicle control module 101; the 5 circuits respectively send the detected total current, total voltage, total insulation resistance information and temperature information of a total circuit formed by connecting at least one battery pack 301 in series to the vehicle control unit 101, and the vehicle control unit 101 sends a control instruction to the protection circuit 106 through calculation and analysis when the circuit fails, so that the protection function of the whole circuit is realized. It should be noted that, when the single battery 104 has a temperature fault, the overall control circuit 101 not only protects the single battery 104 by turning on the battery safety protection circuit 204 in the single battery control module 105, but also heats or cools the battery pack 301 where the single battery 104 is located by turning on the temperature detection circuit 108, which is a double measure to ensure the normal operation of the battery circuit.
Optionally, the control system of the electric device further includes a vehicle display 111, where the vehicle display 111 is electrically connected to the vehicle control module 101, and is configured to obtain relevant information of the at least one single battery assembly 103 from the vehicle control module 101, display the information in real time, and perform an alarm prompt on the at least one single battery assembly 103.
The vehicle control module 101 acquires relevant information of the single battery 104, analyzes and converts the information, sends the analysis and conversion result to the vehicle display 111 through the CAN bus, and the vehicle display 111 displays the relevant information of the battery in real time and gives an alarm when the single battery 104 fails, so that the man-machine interaction performance is enhanced.
In addition, the electric equipment also sends the battery related information obtained by the vehicle control module 101 to the remote terminal, and the remote terminal records and analyzes the battery related information to lay a foundation for building a related database.
The embodiment of the utility model provides a control system of electric equipment integrates the control function of battery to whole car control module in, makes things convenient for whole car control module according to the particular case of battery, and reasonable adjustment motor control module's working parameter makes whole electric equipment's control system's battery and motor work at the state of reasonable matching. In addition, a battery control function is added in the whole vehicle control module, and when the battery breaks down, the reaction speed of the whole vehicle control module is improved, and the control efficiency is improved. Meanwhile, the control method reduces the number of control modules, so that the arrangement is simpler, the cost is saved, and the expansion of related functions is facilitated. Additionally, the embodiment of the utility model provides an added battery cell in traditional battery cell control module and opened the circuit, opened or closed partial circuit's function according to battery cell's actual need, greatly reduced the consumption of electric energy, avoided the waste of electric energy.
In a second aspect, a bulldozer includes the control system for an electric device described above.
The embodiment of the utility model provides a still provide a bull-dozer, this bull-dozer adopt foretell control system to be favorable to the extension of correlation function and whole car control module to adjust in time whole car operation according to battery system's behavior, have ensured the security and the high efficiency of bull-dozer work. In addition, the addition of the single battery starting circuit in the single battery control module greatly reduces the consumption of electric energy and avoids energy waste.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments illustrated herein, but is capable of various obvious modifications, rearrangements and substitutions without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (9)
1. A control system for an electrically powered device, comprising: the system comprises a whole vehicle control module, a motor control module and at least one single battery pack;
the whole vehicle control module is respectively electrically connected with the at least one single battery pack and the motor control module, is used for controlling the at least one single battery pack and obtaining corresponding battery information from each single battery pack, and is also used for adjusting working parameters of the motor control module according to the battery information.
2. The control system of the electric equipment as claimed in claim 1, wherein the at least one battery cell assembly comprises a battery cell and a battery cell control module electrically connected with the battery cell, and the battery cell control module is used for controlling the battery cell to work and collecting data information of the battery cell for output.
3. The control system of the electric equipment according to claim 2, wherein the single battery control module comprises a battery state detection circuit, a battery state analysis circuit, a battery safety protection circuit, an energy control circuit and a battery information control circuit;
the battery state detection circuit is used for detecting voltage, current, voltage and temperature of the single battery; the battery state analysis circuit is used for evaluating the residual electric quantity and the aging degree of the single battery; the battery safety protection circuit is used for performing overcurrent protection, overvoltage protection and overcharge and discharge protection on the single battery; the energy control circuit is used for controlling the charging and discharging processes of the single batteries and balancing the batteries; the battery information control circuit is used for displaying the information of the single battery, exchanging the information inside and outside the system and storing the historical information of the single battery.
4. The control system of the electric device according to claim 3, wherein the battery cell control module further includes a battery cell start circuit, and the battery cell start circuit is configured to start or stop the battery state detection circuit, the battery state analysis circuit, the battery safety protection circuit, the energy control circuit, and the battery information control circuit of the battery cell control module according to an instruction of the vehicle control module.
5. The control system of claim 1, wherein the adjusting of the operating parameters of the motor control module by the vehicle control module according to the battery information specifically comprises:
and when the whole vehicle control module detects that the battery residual capacity of the at least one single battery component is smaller than or equal to the residual capacity threshold value, the power of the motor control module is reduced to be smaller than or equal to a first limited power.
6. The control system of an electrically powered device according to claim 2, wherein the control system comprises a plurality of said cells, the plurality of said cells comprising at least one battery pack connected in series, the battery pack comprising a plurality of battery cells connected in parallel, the battery cells comprising a plurality of cells connected in series; the at least one battery pack is distributed over a plurality of regions of the electrically powered device.
7. The control system of an electrically powered device of claim 6, further comprising: the protection circuit, the total insulation detection circuit, the temperature detection circuit, the total current detection circuit and the total voltage detection circuit;
the protection circuit, the total insulation detection circuit, the temperature detection circuit, the total current detection circuit and the total voltage detection circuit are respectively and electrically connected with the whole vehicle control module;
the protection circuit is connected in series with a main circuit of the at least one battery pack and used for switching on or switching off a charge-discharge loop of the at least one battery pack according to an instruction of the whole vehicle control module; the total insulation detection circuit is electrically connected with the at least one battery pack and used for detecting the insulation of the at least one battery pack according to the total voltage of the at least one battery pack; the temperature detection circuit is used for detecting relevant parameters such as ambient temperature and the like and heating or cooling the at least one battery pack; the total current detection circuit is used for detecting the total current of the series circuit formed by the at least one battery pack, and the total voltage detection circuit is used for detecting the total voltage of the series circuit formed by the at least one battery pack.
8. The control system of the electric equipment according to claim 1, further comprising a vehicle display, wherein the vehicle display is electrically connected to the vehicle control module, and is configured to acquire the related information of the at least one battery cell assembly from the vehicle control module, display the related information in real time, and give an alarm to the at least one battery cell assembly.
9. A bulldozer, characterized by comprising a control system of the electric powered apparatus of any one of claims 1 to 8.
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| CN201920825479.0U CN210395481U (en) | 2019-06-03 | 2019-06-03 | Control system of electric equipment and bulldozer |
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| CN201920825479.0U CN210395481U (en) | 2019-06-03 | 2019-06-03 | Control system of electric equipment and bulldozer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110067276A (en) * | 2019-06-03 | 2019-07-30 | 山推工程机械股份有限公司 | A kind of control system and bull-dozer of electrical equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110067276A (en) * | 2019-06-03 | 2019-07-30 | 山推工程机械股份有限公司 | A kind of control system and bull-dozer of electrical equipment |
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