CN116160977A - On-off control method for engineering machinery storage battery relay, electronic terminal and storage medium - Google Patents

On-off control method for engineering machinery storage battery relay, electronic terminal and storage medium Download PDF

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Publication number
CN116160977A
CN116160977A CN202310363867.2A CN202310363867A CN116160977A CN 116160977 A CN116160977 A CN 116160977A CN 202310363867 A CN202310363867 A CN 202310363867A CN 116160977 A CN116160977 A CN 116160977A
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China
Prior art keywords
storage battery
state
relay
engineering machinery
power shortage
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CN202310363867.2A
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Chinese (zh)
Inventor
王超
郏玲玲
王顶
汪涛
邢泽成
孙云飞
戴刘伟
闫镜宇
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Xuzhou XCMG Excavator Machinery Co Ltd
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Xuzhou XCMG Excavator Machinery Co Ltd
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Priority to CN202310363867.2A priority Critical patent/CN116160977A/en
Publication of CN116160977A publication Critical patent/CN116160977A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
    • B60R16/033—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for characterised by the use of electrical cells or batteries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
    • B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
    • B60R16/0232—Circuits relating to the driving or the functioning of the vehicle for measuring vehicle parameters and indicating critical, abnormal or dangerous conditions
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
    • G01R31/3835—Arrangements for monitoring battery or accumulator variables, e.g. SoC involving only voltage measurements

Abstract

The invention discloses an on-off control method, an electronic terminal and a storage medium of a storage battery relay of engineering machinery, belonging to the field of engineering machinery control, wherein the method comprises the following steps: judging the running state of the engineering machinery according to the collected engine rotating speed information; if the running state is the running state, or the running state is the shutdown state and is in the power-on state at the same time, and the delay disconnection instruction of the storage battery relay is not received, judging the current power-shortage state of the storage battery according to the current voltage value of the storage battery; and if the current power shortage state of the storage battery is that the storage battery is not currently power shortage, controlling the storage battery relay to be kept closed. The invention can realize the protection of the safety of the whole vehicle and the durability of the storage battery and is convenient for the power supply of the storage battery.

Description

On-off control method for engineering machinery storage battery relay, electronic terminal and storage medium
Technical Field
The invention belongs to the technical field of engineering machinery, and particularly relates to an on-off control method of a storage battery relay of engineering machinery, an electronic terminal and a storage medium.
Background
In the prior art, the automobile power shortage prevention technology generally has four modes, and the first mode is to design an automobile power shortage prevention protector, and by adding a voltage detection module, a vibration detection module and a Bluetooth detection module in the technology, the on-off state of a storage battery relay is controlled according to the state change of the three detection modules. And secondly, designing an anti-power shortage protection system of the automobile storage battery, and if the current state of the automobile is a locked dormant state, the storage battery is in a state of waiting for power shortage, the gear position is in the P gear or the N gear, and the fuel of the engine is more than or equal to a preset value, automatically starting the engine to charge the storage battery of the automobile. And thirdly, a storage battery relay is added, and when a driver leaves the vehicle locking device, the storage battery relay can be automatically disconnected to stop supplying power to the electrical equipment. And fourthly, designing an algorithm model of a storage battery anti-power shortage protection method, judging whether the radio frequency interference signal is effective or not in the technology, and if the transmitted radio frequency interference signal is effective, reducing power shortage as much as possible.
In the method, after the vehicle stops running and the vehicle door is closed, the vehicle is locked by a key, and the power relay is closed to cut off the power of the whole vehicle. For engineering machinery products, the mode of additionally adding a vibration sensor and a Bluetooth module can increase cost, the frequent self-starting of an engine can increase oil consumption, and radio frequency interference signals are not main reasons for influencing power shortage. Although the above patent can play a role in protecting the storage battery, the storage battery relay is immediately disconnected in the state of machine shutdown, and the two problems exist in the mode, namely, the storage battery state under the condition of normal operation of the machine is not considered, and the mode of immediately closing the relay may influence the safety of the whole machine and cannot meet the customer use requirements of some special operation scenes of the engineering machinery.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a method for controlling the on-off of a storage battery relay of engineering machinery, an electronic terminal and a storage medium, which can be used for controlling the on-off of the storage battery relay in a targeted manner according to actual working conditions and customer requirements.
In order to achieve the above purpose, the invention is realized by adopting the following technical scheme:
in a first aspect, the present invention provides a method for controlling on-off of a relay of a storage battery of an engineering machine, including: judging the running state of the engineering machinery according to the collected engine rotating speed information;
if the running state of the engineering machinery is the running state, or the running state of the engineering machinery is the stop state and is in the power-on state at the same time, and a delay disconnection instruction of the storage battery relay is not received, judging the current power-shortage state of the storage battery according to the current voltage value of the storage battery;
if the current power shortage state of the storage battery is power shortage, controlling the relay of the storage battery to be disconnected in a delayed manner;
and if the current power shortage state of the storage battery is that the power shortage state is not performed, controlling the relay of the storage battery to be kept closed.
With reference to the first aspect, further comprising,
and if the running state of the engineering machinery is in a stop state and is in a non-power-on state at the same time, controlling the storage battery relay to be immediately disconnected.
In combination with the first aspect, further, if the operation state of the engineering machine is a shutdown state and is in a power-on state at the same time, when a delay disconnection instruction of the storage battery relay is received, the delay disconnection of the storage battery relay is controlled.
With reference to the first aspect, further, the delay time of the delay disconnection of the storage battery relay is preset by the instrument of the engineering machine, and when the delay time is not set by the instrument of the engineering machine, the default delay time is read from the storage area.
In combination with the first aspect, when the delay time is preset by an instrument of the engineering machine, the delay time is positively correlated with the current voltage value of the storage battery, and the expression is as follows: .
Figure BDA0004165956040000031
Wherein T is length V is the size of the delay time value T is the current voltage value of the storage battery 1 、T 2 、T 3 To set the delay time, T 1 ＜T 2 ＜T 3 。
With reference to the first aspect, further, the determining the current power shortage state of the storage battery according to the current voltage value of the storage battery includes:
if the current voltage value of the storage battery is lower than a set threshold value, indicating that the current power shortage state of the storage battery is power shortage; otherwise, the current power shortage state of the storage battery is indicated to be power shortage.
In a second aspect, the present invention provides an electronic terminal, including:
a first judging module: the method is used for judging the running state of the engineering machinery according to the collected engine rotating speed information;
and a second judging module: if the operation state of the engineering machinery is an operation state or the operation state of the engineering machinery is a shutdown state and is in a power-on state at the same time, and a delay disconnection instruction of a storage battery relay is not received, judging the current power-shortage state of the storage battery according to the current voltage value of the storage battery;
the control execution module: if the current power shortage state of the storage battery is power shortage, controlling the relay of the storage battery to be disconnected in a delayed manner; and if the current power shortage state of the storage battery is that the power shortage state is not performed, controlling the relay of the storage battery to be kept closed.
In a third aspect, the present invention provides an electronic terminal comprising a processor and a memory connected to the processor, in which memory a computer program is stored which, when executed by the processor, carries out the steps of the method of any one of the first aspects.
In a fourth aspect, a computer readable storage medium has stored thereon a computer program which, when executed by a processor, implements the steps of the method according to any of the first aspects.
A fifth aspect is a construction machine, comprising the electronic terminal according to the second or third aspect.
Compared with the prior art, the invention has the beneficial effects that: according to the method provided by the embodiment of the invention, the running state of the engineering machinery is judged according to the collected engine speed information, the bad effect caused by the fact that the storage battery is immediately disconnected under a special scene is avoided by considering the running state of the engineering machinery, the current state of the storage battery is judged to be the power shortage or the power shortage according to the current voltage value of the storage battery, the power-on state and the delay disconnection instruction of the storage battery relay are synthesized, and the corresponding on-off control method of the storage battery relay is adapted from the aspects of safety, practicability and various scenes such as the protection of the storage battery, the prevention of the driver from forgetting to turn off the vehicle-mounted electric equipment and the like.
Drawings
FIG. 1 is a schematic diagram of a battery power supply system according to an embodiment of the present invention;
fig. 2 is a flowchart for controlling on-off of a battery relay according to an embodiment of the present invention.
Detailed Description
The following detailed description of the technical solutions of the present invention is made by the accompanying drawings and specific embodiments, and it should be understood that the specific features of the embodiments and embodiments of the present application are detailed descriptions of the technical solutions of the present application, and not limiting the technical solutions of the present application, and the technical features of the embodiments and embodiments of the present application may be combined with each other without conflict.
The term "and/or" is herein merely an association relationship describing an associated object, meaning that there may be three relationships, e.g., a and/or B, may represent: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.
Embodiment one:
fig. 2 is a flowchart of a method for controlling on-off of a relay for a storage battery of an engineering machine according to a first embodiment of the present invention. The flow chart merely shows the logical sequence of the method according to the present embodiment, and the steps shown or described may be performed in a different order than shown in fig. 2 in other possible embodiments of the invention without mutual conflict.
Referring to fig. 2, the method of this embodiment specifically includes:
the method comprises the steps of collecting engine rotation speed information, judging the running state of engineering machinery, and if the engine rotation speed is zero, indicating that the engineering machinery is in a stop state; otherwise, indicating that the engineering machinery is in an operating state;
if the engineering machinery is in a shutdown state, further collecting a power-on state for judging the closing state of the key switch, and if the key switch is in a non-power-on state, indicating that the key switch is in a disconnection state, and the driver needs to power off, so that the storage battery relay needs to be disconnected immediately; otherwise, the key switch is indicated to be in a closed state, and the on-off of the storage battery relay is further controlled according to the delay disconnection instruction of the storage battery relay and the current voltage value of the storage battery;
if the engineering machinery is in an operating state, the on-off of the storage battery relay can be controlled according to the current voltage value of the storage battery.
The current power shortage state of the storage battery can be judged according to the current voltage value of the storage battery, and if the current power shortage state of the storage battery is power shortage, the relay of the storage battery is controlled to be disconnected in a delayed mode; and if the current power shortage state of the storage battery is that the power shortage state is not performed, controlling the relay of the storage battery to be kept closed.
Taking a certain brand of automobile as an example, a driver firstly judges the running state of the brand of automobile, then judges the power-on state of the brand of automobile and whether the driver has the requirement of delayed disconnection of the storage battery relay, and finally determines the control mode of the storage battery relay according to the acquired storage battery voltage value.
Referring to fig. 1, an electrical device and a switching device are mounted on a certain engineering machine, wherein the electrical device includes: the electric equipment supplies power for the 24V storage battery (the protection range is not limited to 24V), and the like. The switch device comprises a main power switch, a key switch, a working lamp switch and a storage battery relay. The main power switch is closed to form a storage battery end loop conduction; the key switch is closed to form the loop conduction of the main controller, the switch panel, the instrument and the air conditioning equipment end, the working lamp switch is closed to form the loop conduction of the working lamp in the cab and the outdoor working lamp end. If the storage battery relay is in a normal range of the voltage value of the storage battery and the set delay time is in a normal closing state, the disconnection switch can directly disconnect the loop of the storage battery end. The on-off signal of the storage battery relay is provided by the main controller, and the initial state of the storage battery relay is a closed state.
The on-off control method of the storage battery relay provided by the embodiment of the invention is used for preventing a driver from forgetting to turn off various scenes such as vehicle-mounted electric equipment from consideration of safety, practicability and (protecting the storage battery), adapting the on-off of the corresponding storage battery relay through different scenes, and specifically analyzing as follows:
from the safety aspect, the safety problem caused by abnormal battery charging in the running process of the engineering machine is considered, so that if the running state of the engineering machine is the running state, the current voltage value of the battery is obtained and compared with a preset threshold value according to the current voltage value of the battery, if the current voltage value of the battery is lower than the preset threshold value, the current power shortage of the battery is indicated, the abnormal battery charging fault can be prompted by an instrument of the engineering machine, the delay time of the delay disconnection of the battery relay can be set by the instrument (if the delay time is not set, the default delay time can be read from a storage area), and finally the battery relay is disconnected after the timing of the delay time is finished, and the engineering machine stops running; if the current voltage value of the storage battery is not lower than the preset threshold value, the current voltage value of the storage battery is not insufficient, and the relay of the storage battery is kept closed. When the engineering machinery is in an operating state and the current voltage value of the storage battery is lower than a preset threshold value (namely the storage battery is in a power shortage state), the relay of the storage battery is disconnected in a delayed mode, and a driver can have enough time to drive out of a dangerous area, stop the machine for inspection after the task is completed and solve the problem of circuit short circuit on the basis of protecting the storage battery.
From the practical point of view, taking an example that a driver drives a vehicle in a night environment and no lighting tool exists, when the vehicle is in a stop and power-on state and a command of delay disconnection of a storage battery relay is received, the delay disconnection of the storage battery relay is controlled. By means of the control method, illumination can be provided by means of the working lamp outside the cab, and the vehicle can be ensured to be powered off in a specified time while illumination is provided.
In addition, when the operating state of the construction machine is an operating state and is in a non-power-on state at the same time, the control battery relay is immediately turned off.
From the aspect of protecting the storage battery, a driver often forgets to turn off electric equipment on the vehicle to cause serious power shortage of the storage battery, so that the control method provided by the embodiment of the invention judges the current power shortage state of the storage battery according to the current voltage value of the storage battery when the running state of the vehicle is in a stop state and is in a power-on state at the same time and no delay disconnection instruction of a relay of the storage battery is received. If the current voltage value of the storage battery is lower than a preset threshold value (namely the current power consumption of the storage battery), the low voltage fault of the storage battery can be prompted through an instrument, the delay time for the delay and disconnection of the storage battery relay is set through the instrument (if the delay time is not set, the default delay time is read from a storage area), and after the delay time is finished, the storage battery relay is disconnected, and the vehicle stops running; if the current voltage value of the storage battery is compared with a preset threshold value and is higher than the preset threshold value, the storage battery relay is kept in a closed state.
In addition, the preset delay time is positively correlated with the current voltage value of the storage battery, and the expression is as follows:
Figure BDA0004165956040000071
wherein T is length V is the size of the delay time value The current voltage value of the storage battery is expressed as V;
T 1 、T 2 、T 3 to set the delay time, T 1 ＜T 2 ＜T 3 . It should be noted that the division points 11.5V and 23.5V in the above formula are only examples, and may be changed according to actual design requirements.
Embodiment two:
an embodiment of the present invention provides an electronic terminal, including:
a first judging module: the method is used for judging the running state of the engineering machinery according to the collected engine rotating speed information;
and a second judging module: if the operation state of the engineering machinery is an operation state or the operation state of the engineering machinery is a shutdown state and is in a power-on state at the same time, and a delay disconnection instruction of a storage battery relay is not received, judging the current power-shortage state of the storage battery according to the current voltage value of the storage battery;
the control execution module: if the current power shortage state of the storage battery is power shortage, controlling the relay of the storage battery to be disconnected in a delayed manner; and if the current power shortage state of the storage battery is that the power shortage state is not performed, controlling the relay of the storage battery to be kept closed.
The electronic terminal provided by the embodiment of the invention can execute the on-off control method of the engineering machinery storage battery relay provided by any embodiment of the invention, and has the corresponding functional modules and beneficial effects of the execution method.
Embodiment III:
the embodiment of the invention also provides an electronic terminal, which comprises: a memory having a processor coupled to the processor, the memory having a computer program stored therein that, when executed by the processor, performs the steps of the method of embodiment one; therefore, the method has the corresponding functional modules and beneficial effects of the execution method.
Embodiment four:
the embodiment of the invention also provides a computer readable storage medium, on which a computer program is stored, which is characterized in that the program is executed by a processor to perform the steps of the method according to the embodiment, and the method has the corresponding functional modules and beneficial effects of the execution method.
Fifth embodiment:
the embodiment of the invention also provides engineering machinery, which comprises the electronic terminal described in the second embodiment or the third embodiment.
It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present invention, and such modifications and variations should also be regarded as being within the scope of the invention.

Claims (10)

1. The on-off control method of the engineering machinery storage battery relay is characterized by comprising the following steps of:
judging the running state of the engineering machinery according to the collected engine rotating speed information;
if the running state of the engineering machinery is the running state, or the running state of the engineering machinery is the stop state and is in the power-on state at the same time, and a delay disconnection instruction of the storage battery relay is not received, judging the current power-shortage state of the storage battery according to the current voltage value of the storage battery;
if the current power shortage state of the storage battery is power shortage, controlling the relay of the storage battery to be disconnected in a delayed manner;
and if the current power shortage state of the storage battery is that the power shortage state is not performed, controlling the relay of the storage battery to be kept closed.
2. The on-off control method of a battery relay according to claim 1, further comprising,
and if the running state of the engineering machinery is in a stop state and is in a non-power-on state at the same time, controlling the storage battery relay to be immediately disconnected.
3. The on-off control method of a battery relay according to claim 1, wherein if the operation state of the construction machine is a stopped state and is simultaneously in a powered-on state, the battery relay is controlled to be turned off in a delayed manner when a battery relay turn-off instruction is received.
4. A method of controlling the on-off of a battery relay according to any one of claims 1 to 3, wherein the delay time for the battery relay to be turned off is preset by an instrument of the construction machine, and when the delay time is not set by the instrument of the construction machine, a default delay time is read from a storage area.
5. The on-off control method of a battery relay according to claim 4, wherein when the delay time is preset by an instrument of the construction machine, the delay time is positively correlated with the current voltage value of the battery, and the expression is:
Figure FDA0004165956030000021
wherein T is length V is the size of the delay time value T is the current voltage value of the storage battery 1 、T 2 、T 3 To set the delay time, T 1 ＜T 2 ＜T 3 。
6. The on-off control method of a battery relay according to claim 1, wherein the judging of the current battery power shortage state based on the current voltage value of the battery includes:
if the current voltage value of the storage battery is lower than a set threshold value, indicating that the current power shortage state of the storage battery is power shortage; otherwise, the current power shortage state of the storage battery is indicated to be power shortage.
7. An electronic terminal, comprising:
a first judging module: the method is used for judging the running state of the engineering machinery according to the collected engine rotating speed information;
and a second judging module: if the operation state of the engineering machinery is an operation state or the operation state of the engineering machinery is a shutdown state and is in a power-on state at the same time, and a delay disconnection instruction of a storage battery relay is not received, judging the current power-shortage state of the storage battery according to the current voltage value of the storage battery;
the control execution module: if the current power shortage state of the storage battery is power shortage, controlling the relay of the storage battery to be disconnected in a delayed manner; and if the current power shortage state of the storage battery is that the power shortage state is not performed, controlling the relay of the storage battery to be kept closed.
8. An electronic terminal comprising a processor and a memory coupled to the processor, wherein a computer program is stored in the memory, which, when executed by the processor, performs the steps of the method according to any of claims 1-6.
9. A computer readable storage medium, on which a computer program is stored, characterized in that the program, when being executed by a processor, implements the steps of the method according to any one of claims 1-6.
10. A construction machine comprising the electronic terminal according to claim 7 or 8.
CN202310363867.2A 2023-04-07 2023-04-07 On-off control method for engineering machinery storage battery relay, electronic terminal and storage medium Pending CN116160977A (en)

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CN202310363867.2A CN116160977A (en) 2023-04-07 2023-04-07 On-off control method for engineering machinery storage battery relay, electronic terminal and storage medium

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Application Number Priority Date Filing Date Title
CN202310363867.2A CN116160977A (en) 2023-04-07 2023-04-07 On-off control method for engineering machinery storage battery relay, electronic terminal and storage medium

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CN116160977A true CN116160977A (en) 2023-05-26

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