CN116278761B - Intelligent regulation and control method and system for combined switch of battery car - Google Patents
Intelligent regulation and control method and system for combined switch of battery car Download PDFInfo
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- CN116278761B CN116278761B CN202310333304.9A CN202310333304A CN116278761B CN 116278761 B CN116278761 B CN 116278761B CN 202310333304 A CN202310333304 A CN 202310333304A CN 116278761 B CN116278761 B CN 116278761B
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- 230000036541 health Effects 0.000 claims abstract description 92
- 238000011156 evaluation Methods 0.000 claims abstract description 80
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- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 238000005299 abrasion Methods 0.000 claims description 17
- 238000007599 discharging Methods 0.000 claims description 5
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- 230000008878 coupling Effects 0.000 description 3
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0084—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to control modules
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0092—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption with use of redundant elements for safety purposes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J6/00—Arrangement of optical signalling or lighting devices on cycles; Mounting or supporting thereof; Circuits therefor
- B62J6/22—Warning or information lights
- B62J6/24—Warning or information lights warning or informing the rider, e.g. low fuel warning lights
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K23/00—Rider-operated controls specially adapted for cycles, i.e. means for initiating control operations, e.g. levers, grips
- B62K23/02—Rider-operated controls specially adapted for cycles, i.e. means for initiating control operations, e.g. levers, grips hand actuated
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The application discloses an intelligent regulation and control method and system for a combined switch of a battery car, wherein the regulation and control method comprises the following steps: if the evaluation coefficient of any rotating part is smaller than the use threshold, the regulation and control system sends out a first warning, and if the evaluation coefficients of the two rotating parts are smaller than the use threshold, the regulation and control system sends out a second warning; when any rotating part fails, the regulation and control system starts the standby rotating part. Before the electric bicycle is ridden, after parameters of two rotating parts are collected, evaluation coefficients are respectively built for the two rotating parts, the evaluation coefficients of the two rotating parts are compared, the rotating parts with small evaluation coefficients are locked through the locking mechanism, the rotating parts are standby rotating parts, in the riding process of the electric bicycle, the regulation and control system collects a plurality of parameters to build health coefficients for the electric bicycle, and corresponding warning is sent out through the comparison result of the health coefficients and the health gradient threshold value, so that stable riding of the electric bicycle is guaranteed.
Description
Technical Field
The application relates to the technical field of intelligent switch regulation and control, in particular to an intelligent regulation and control method and system for a combined switch of a battery car.
Background
The electric vehicle is also called an electric vehicle and an electric motorcycle, is a transportation means using electric energy as a power source, has the advantages of environmental protection, energy saving, low noise and the like compared with the traditional fuel oil motorcycle, becomes an important mode of urban travel, is generally used for adjusting the output power of a motor, and is usually provided with other functions such as headlamp adjustment, loudspeaker and the like, and is also provided with a maximum power adjusting button for adjusting the maximum power of the switch.
The prior art has the following defects:
the existing battery car combination switch is generally composed of a handle and an electronic control unit, however, since the handle is generally composed of a hand-held part and a rotating part, when the rotating part fails in use, a rider cannot ride the battery car, and the existing combination switch cannot prompt the health state of the battery, if the battery fails in the riding process, the battery car cannot be ridden, and the use burden of the battery car of the rider is increased.
Disclosure of Invention
The application aims to provide an intelligent regulation and control method and system for a combined switch of a battery car, which are used for solving the defects in the background technology.
In order to achieve the above object, the present application provides the following technical solutions: the intelligent regulation and control method for the combined switch of the battery car comprises the following steps:
s1: inserting and rotating a key to electrify the battery car, and collecting parameters of the two rotating parts by the regulation and control system to establish evaluation coefficients for the two rotating parts respectively;
s2: comparing the evaluation coefficients of the two rotating parts, locking the rotating part with small evaluation coefficient through a locking mechanism, wherein the rotating part is a standby rotating part;
s3: if the evaluation coefficient of any rotating part is smaller than the use threshold, the regulation and control system sends out a first warning, and if the evaluation coefficients of the two rotating parts are smaller than the use threshold, the regulation and control system sends out a second warning;
s3: in the riding process of the battery car, the regulation and control system collects a plurality of parameters to establish health coefficients for the battery, and corresponding warning is sent out according to the comparison result of the health coefficients and the health gradient threshold;
s4: when any rotating part fails, the regulation and control system starts the standby rotating part.
In a preferred embodiment, in step S1, establishing the evaluation coefficients comprises the steps of:
collecting the stability of the voltage signal and the contact resistance abrasion degree of the rotating part, calculating the stability of the voltage signal and the contact resistance abrasion degree through a formula to obtain an evaluation coefficient, wherein the expression is as follows:
in the formula, pg s In order to evaluate the coefficients of the coefficients,for the stability of the voltage signal, +.>For the contact resistance abrasion degree, alpha and beta are respectively the proportion coefficient of the stability of the voltage signal and the contact resistance abrasion degree, and 0<α<β。
In a preferred embodiment, the stability of the voltage signalIn v max For maximum voltage signal v min Is the minimum voltage signal.
In a preferred embodiment, the contact resistance abrasivenessWherein r is c For the initial resistance of the contact resistance, i.e. the resistance when the contact resistance is new, r d Is the current resistance value.
In a preferred embodiment, the use threshold pg is set yz The evaluation coefficient pg of the two rotating parts s And use threshold pg yz Comparing;
if the evaluation coefficients pg of two rotating parts s All greater than or equal to the use threshold pg yz The regulation and control system does not send out warning, and locks the rotating part with small evaluation coefficient through the locking mechanism, and the rotating part is a standby rotating part;
if the evaluation coefficient pg of any rotating part s Less than the use threshold pg yz The blue LED lamp in the first warning area flashes to prompt, and at the moment, the blue LED lamp can be turned off by pressing the first button;
if the evaluation coefficients pg of two rotating parts s Are all smaller than the use threshold pg yz The buzzer in the first warning area gives out an audible prompt, and at the moment, the buzzer can be closed by pressing the second button.
In a preferred embodiment, in step S3, establishing the health coefficient comprises the steps of:
collecting discharge current, connection degree of the battery wire end and temperature deviation value of the battery, calculating health coefficient of the discharge current, connection degree of the battery wire end and temperature deviation value of the battery through a formula, wherein the expression is as follows:
in the formula jk s Is a health coefficient, xt j For the connection degree of the battery terminal, fd j For discharge current, pc j A battery temperature deviation value, a 1 、a 2 、a 3 The ratio coefficients of the connection degree of the battery terminal, the discharge current and the battery temperature deviation value are respectively a 2 >a 1 >a 3 。
In a preferred embodiment, the battery terminal connection connectivity xt j The calculated expression of (2) is: xt (xt) j ＝lj c /lj d The method comprises the steps of carrying out a first treatment on the surface of the In the formula, lj c Is the initial resistance value, lj, of the joint of the battery terminal d Is the current resistance value at the junction.
In a preferred embodiment, the battery temperature deviation value obtaining logic is: the maximum stable working temperature of the storage battery is marked as wd max The steady operation minimum temperature is denoted as wd min The stable working temperature range of the battery jar is wd min ～wd max If the temperature of the battery jar collected in real time falls at wd min ～wd max In the temperature range, the battery temperature deviation value is 0, if the battery temperature acquired in real time is lower than the stable working minimum temperature, the absolute value of the difference value of the stable working minimum temperature minus the battery temperature acquired in real time is taken as the battery temperature deviation value, and if the battery temperature acquired in real time is higher than the stable working maximum temperature, the absolute value of the difference value of the stable working maximum temperature minus the battery temperature acquired in real time is taken as the battery temperature deviation value.
In a preferred embodiment, the health coefficient jk is obtained s Thereafter, a first health gradient threshold jk is set i And a second health gradient threshold jk j And jk i <jk j The health coefficient jk is calculated s With the first healthGradient threshold jk u And a second health gradient threshold jk j Comparing;
if the health coefficient jk s Greater than or equal to a second health gradient threshold jk j The second warning area does not send out warning;
if the first health gradient threshold jk i Less than or equal to the health coefficient jk s Less than a second health gradient threshold jk j The second warning area gives out warning, and the yellow LED lamp is lighted;
if the health coefficient jk s Less than a first health gradient threshold jk i The second warning area gives out warning, and the red LED lamp is on.
The application also provides an intelligent regulation and control system for the combined switch of the battery car, which comprises a first acquisition module, a second acquisition module, a comparison module, a warning module and a regulation and control module;
after the electric bicycle is electrified, the first acquisition module acquires parameters of two rotating parts, an evaluation coefficient is established for the two rotating parts respectively, in the riding process of the electric bicycle, the second acquisition module acquires a plurality of parameters to establish a health coefficient for the electric bicycle, the comparison module compares the evaluation coefficients of the two rotating parts, the rotating parts with small evaluation coefficients are locked through the locking mechanism, the rotating parts are standby rotating parts, and the warning module: if the evaluation coefficient of any rotating part is smaller than the use threshold, a first warning is sent out, the evaluation coefficients of the two rotating parts are smaller than the use threshold, a second warning is sent out, a corresponding warning is sent out through the comparison result of the health coefficient and the health gradient threshold, and when any rotating part fails, the regulation and control module starts the standby rotating part.
In the technical scheme, the application has the technical effects and advantages that:
1. before the electric bicycle is ridden, after the parameters of the two rotating parts are collected, the evaluation coefficients are respectively built for the two rotating parts, the evaluation coefficients of the two rotating parts are compared, the rotating parts with small evaluation coefficients are locked through the locking mechanism, the rotating parts are standby rotating parts, in the riding process of the electric bicycle, the regulation and control system collects a plurality of parameters to build health coefficients for the electric bicycle, and corresponding warning is sent out through the comparison result of the health coefficients and the health gradient threshold value, so that the stable riding of the electric bicycle is ensured;
2. the application acquires the stability of the voltage signal and the wear degree of the contact resistance of the rotating part, calculates the stability of the voltage signal and the wear degree of the contact resistance through formulas to obtain the evaluation coefficient, effectively improves the processing efficiency of data, and utilizes the evaluation coefficient pg s And use threshold pg yz The control and the warning are carried out according to the comparison result of the rotating part, so that the problem that the battery car cannot ride due to the failure of the rotating part in the running process of the battery car is effectively avoided;
3. the application calculates the health coefficient by collecting the discharging current, the connection degree of the wire end of the storage battery and the temperature deviation value of the storage battery through formulas and calculates the health coefficient jk by the discharging current, the connection degree of the wire end of the storage battery and the temperature deviation value of the storage battery s And a first health gradient threshold jk i And a second health gradient threshold jk j The corresponding warning is sent out to the contrast result of contrast, effectively avoids the storage battery car to ride the in-process because the storage battery damages the problem emergence that leads to unable riding.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a flow chart of the method of the present application.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Example 1
Referring to fig. 1, the method for intelligently adjusting and controlling a combination switch of an electric vehicle according to the embodiment includes the following steps:
the combined switch comprises a handle part, wherein the handle part is provided with two parallel rotating parts, and the rotating parts, the storage battery and the motor are connected in series.
After a key is inserted and rotated to enable the battery car to be electrified, the regulation and control system collects parameters of two rotating parts, then establishes evaluation coefficients for the two rotating parts respectively, compares the evaluation coefficients of the two rotating parts, locks the rotating parts with small evaluation coefficients through a locking mechanism, the rotating parts are standby rotating parts, if the evaluation coefficient of any rotating part is smaller than a use threshold value, the regulation and control system sends out a first warning, the evaluation coefficients of the two rotating parts are smaller than the use threshold value, the regulation and control system sends out a second warning, in the riding process of the battery car, the regulation and control system collects a plurality of parameters to establish health coefficients for the battery, sends out corresponding warning through the comparison result of the health coefficients and the health gradient threshold value, and when any rotating part fails, the regulation and control system starts the standby rotating parts.
Before the electric bicycle is ridden, after parameters of two rotating parts are collected, evaluation coefficients are respectively built for the two rotating parts, the evaluation coefficients of the two rotating parts are compared, the rotating parts with small evaluation coefficients are locked through the locking mechanism, the rotating parts are standby rotating parts, in the riding process of the electric bicycle, the regulation and control system collects a plurality of parameters to build health coefficients for the electric bicycle, and corresponding warning is sent out through the comparison result of the health coefficients and the health gradient threshold value, so that stable riding of the electric bicycle is guaranteed.
In the application, for better explanation, if the evaluation coefficient of any rotating part is smaller than the use threshold, the regulation system sends out a first warning, the evaluation coefficients of both rotating parts are smaller than the use threshold, the regulation system sends out a second warning, and the corresponding warning is sent out through the comparison result of the health coefficient and the health gradient threshold, the following scheme is implemented:
dividing two warning areas in a multifunctional operation area of the combined switch, wherein the first warning area is used by a rotating part, and the second warning area is used by a storage battery;
when the evaluation coefficient is smaller than the use threshold value, the first warning area gives a warning;
corresponding warning is sent out by the second warning area according to the comparison result of the health coefficient and the health gradient threshold value;
in order to facilitate distinguishing the first warning area from the second warning area, different marks may be set in the first warning area and the second warning area for distinguishing.
The locking mechanism in this embodiment include a protruding pole and electric putter, electric putter fixes inside the handle, protruding pole and electric putter transmission are connected, the recess that a plurality of equidistance set up is seted up to the inboard of rotating part, the evaluation coefficient of contrast two rotating parts, the rotating part that the evaluation coefficient is little is specifically:
the electric push rod drives the convex rod to move, so that the end part of the convex rod is inserted into the groove at the inner side of the rotating part, the locking of the rotating part is completed, and when the rotating part is needed, the electric push rod drives the convex rod to move out of the groove.
Example 2
After a key is inserted and turned to enable the battery car to be electrified, the regulation and control system collects parameters of two rotating parts, then establishes evaluation coefficients for the two rotating parts respectively, compares the evaluation coefficients of the two rotating parts, locks the rotating parts with small evaluation coefficients through a locking mechanism, the rotating parts are standby rotating parts, if the evaluation coefficient of any rotating part is smaller than a use threshold value, the regulation and control system sends out a first warning, the evaluation coefficients of the two rotating parts are smaller than the use threshold value, and the regulation and control system sends out a second warning.
After the electric vehicle is electrified by inserting and rotating the key, the regulation and control system collects parameters of the two rotating parts and then respectively establishes evaluation coefficients for the two rotating parts, and the method comprises the following steps of:
collecting the stability of the voltage signal and the contact resistance abrasion degree of the rotating part, calculating the stability of the voltage signal and the contact resistance abrasion degree through a formula to obtain an evaluation coefficient, wherein the expression is as follows:
in the formula, pg s In order to evaluate the coefficients of the coefficients,for the stability of the voltage signal, +.>For the contact resistance abrasion degree, alpha and beta are respectively the proportion coefficient of the stability of the voltage signal and the contact resistance abrasion degree, and 0<α<β。
Stability of voltage signalIn v max For maximum voltage signal v min The higher the stability value is, the better the stability of the voltage signal is, and the more stable and reliable the performance of the Hall rotary handle is.
Degree of contact resistance abrasionWherein r is c For the initial resistance of the contact resistance, i.e. the resistance when the contact resistance is new, r d The greater the value of the abrasion degree is for the current resistance value, the more serious the abrasion degree of the contact resistance is.
Obtaining an evaluation coefficient pg s Then, the evaluation coefficients pg of the two rotating parts s In contrast, the rotating part with a small evaluation coefficient is locked by the locking mechanism, and the rotating part is a standby rotating part.
If the evaluation coefficient of any rotating part is smaller than the use threshold, the regulation system sends out a first warning, and the evaluation coefficients of the two rotating parts are smaller than the use threshold, and the regulation system sends out a second warning.
As shown in embodiment 1, two warning areas are divided in the multifunctional operation area of the combination switch, wherein the first warning area is used by a rotating part, and the second warning area is used by a storage battery;
the first warning area comprises a blue LED lamp, a buzzer, a first button and a second button, the blue LED lamp is connected with the buzzer in parallel, the blue LED lamp, the first button and the storage battery are connected in series, and the buzzer, the second button and the storage battery are connected in series.
Setting a use threshold pg yz The evaluation coefficient pg of two rotating parts s And use threshold pg yz Comparing;
if the evaluation coefficients pg of two rotating parts s All greater than or equal to the use threshold pg yz The regulation and control system does not send out warning, and locks the rotating part with small evaluation coefficient through the locking mechanism, and the rotating part is a standby rotating part;
if the evaluation coefficient pg of any rotating part s Less than the use threshold pg yz The blue LED lamp in the first warning area flashes to prompt, and at the moment, the blue LED lamp can be turned off by pressing the first button;
if the evaluation coefficients pg of two rotating parts s Are all smaller than the use threshold pg yz The buzzer in the first warning area gives out an audible prompt, and at the moment, the buzzer can be closed by pressing the second button.
It should be noted that when the blue LED lamp in the first warning area blinks to indicate that there is abnormality in one rotating part, the rider can ride the battery car through the other rotating part at this time, but when the buzzer sends out audible prompts, it indicates that there is abnormality in both rotating parts, in order to avoid the battery car from being ridable due to the failure of the rotating part in the riding process, the rider needs to maintain the rotating part.
Specifically, during riding, the rotating part used evaluates the coefficient pg s Less than the use threshold pg yz When the buzzer sends out audible prompts, and the regulation and control system unlocks the standby rotating part through the locking mechanism, after the rotating part used rotates to an initial state under the action of the rotary spring, the locking mechanism locks the rotating part used, and timely early warning is carried out by predicting the rotating part in advance, so that the situation that the storage battery car cannot run due to the failure of the rotating part in the riding process is avoided, and the safe running of the storage battery car is also ensured.
The application collects the stability of the voltage signal of the rotating part and the abrasion degree of the contact resistanceThe stability of the voltage signal and the wear degree of the contact resistance are calculated through formulas to obtain an evaluation coefficient, so that the processing efficiency of data is effectively improved, and the evaluation coefficient pg is used for s And use threshold pg yz The control and the warning are sent out according to the comparison result of the rotating part, so that the problem that the battery car cannot ride due to the fact that the rotating part breaks down in the running process of the battery car is effectively avoided.
Example 3
The regulation and control system collects a plurality of parameters to establish health coefficients for the storage battery, and sends out corresponding warnings through the comparison result of the health coefficients and the health gradient threshold value, and the method comprises the following steps:
collecting discharge current, connection degree of the battery wire end and temperature deviation value of the battery, calculating health coefficient of the discharge current, connection degree of the battery wire end and temperature deviation value of the battery through a formula, wherein the expression is as follows:
in the formula jk s Is a health coefficient, xt j For the connection degree of the battery terminal, fd j For discharge current, pc j A battery temperature deviation value, a 1 、a 2 、a 3 The ratio coefficients of the connection degree of the battery terminal, the discharge current and the battery temperature deviation value are respectively a 2 >a 1 >a 3 。
Connection degree xt of battery terminal j The calculated expression of (2) is: xt (xt) j ＝lj c /lj d The method comprises the steps of carrying out a first treatment on the surface of the In the formula, lj c Is the initial resistance value, lj, of the joint of the battery terminal d For the current resistance value of the joint, the larger the current resistance value of the joint is, the connection degree xt of the battery wire end connection j The smaller the resistance of the wire end connection is determined by the factors such as contact pressure, contact area, contact material and contact indication state, when the factors are not ideal, the contact resistance is increased, thereby affecting the wire end connection degree, therefore, when the resistance of the wire end connection of the battery car is increased, the condition of the contact indication is poor, the contact area is reduced,The problems of failure of the contact materials or insufficient contact pressure and the like occur, and the wire end connection needs to be overhauled, cleaned or replaced in time so as to ensure that the wire end connection is good, thereby ensuring the normal operation of the battery car.
Because the temperature of the storage battery is too high or too low and the stable use of the storage battery is affected, the storage battery temperature deviation value acquisition logic in the embodiment is as follows: the maximum stable working temperature of the storage battery is marked as wd max The steady operation minimum temperature is denoted as wd min The stable working temperature range of the battery jar is wd min ～wd max If the temperature of the battery jar collected in real time falls at wd min ～wd max In the temperature range, the battery temperature deviation value is 0, if the battery temperature acquired in real time is lower than the stable working minimum temperature, the absolute value of the difference value of the stable working minimum temperature minus the battery temperature acquired in real time is taken as the battery temperature deviation value, and if the battery temperature acquired in real time is higher than the stable working maximum temperature, the absolute value of the difference value of the stable working maximum temperature minus the battery temperature acquired in real time is taken as the battery temperature deviation value.
Dividing two warning areas in a multifunctional operation area of the combined switch, wherein the first warning area is used by a rotating part, and the second warning area is used by a storage battery, and the second warning area comprises a red LED lamp and a yellow LED lamp;
obtaining health coefficient jk s Thereafter, a first health gradient threshold jk is set i And a second health gradient threshold jk j And jk i <jk j The health coefficient jk is calculated s And a first health gradient threshold jk i And a second health gradient threshold jk j Comparing;
if the health coefficient jk s Greater than or equal to a second health gradient threshold jk j Indicating that the current health state of the storage battery is excellent, and the second warning area does not give out warning;
if the first health gradient threshold jk i Less than or equal to the health coefficient jk s Less than a second health gradient threshold jk j In the current state of the battery, the second warning area gives out a warning, and the yellow LED lamp is on, so that if the rider needs to makeThe battery car can be continuously used;
if the health coefficient jk s Less than a first health gradient threshold jk i The current state of health of the storage battery is poor, the second warning area gives out a warning, the red LED lamp is on, and the storage battery is easy to break down when the storage battery car is ridden.
When the red LED lamp of the second warning area is on, the condition that the health state of the storage battery is poor is indicated, and a rider is required to maintain or replace the storage battery in time.
The application calculates the health coefficient by collecting the discharging current, the connection degree of the wire end of the storage battery and the temperature deviation value of the storage battery through formulas and calculates the health coefficient jk by the discharging current, the connection degree of the wire end of the storage battery and the temperature deviation value of the storage battery s And a first health gradient threshold jk i And a second health gradient threshold jk j The corresponding warning is sent out to the contrast result of contrast, effectively avoids the storage battery car to ride the in-process because the storage battery damages the problem emergence that leads to unable riding.
Example 4
The intelligent regulation and control system for the combined switch of the battery car comprises a first acquisition module, a second acquisition module, a comparison module, a warning module and a regulation and control module;
wherein:
the first acquisition module: after the battery car is electrified, the parameters of the two rotating parts are collected, and evaluation coefficients are respectively established for the two rotating parts;
the second acquisition module: in the riding process of the battery car, the method is used for collecting a plurality of parameters to establish health coefficients for the battery;
and a comparison module: the rotating part with small evaluation coefficient is locked through a locking mechanism and is a standby rotating part;
and the warning module is used for: if the evaluation coefficient of any rotating part is smaller than the use threshold, a first warning is sent out, the evaluation coefficients of the two rotating parts are smaller than the use threshold, a second warning is sent out, and a corresponding warning is sent out through the comparison result of the health coefficient and the health gradient threshold;
and a regulation and control module: when any rotating part fails, the standby rotating part is started.
The above formulas are all formulas with dimensions removed and numerical values calculated, the formulas are formulas with a large amount of data collected for software simulation to obtain the latest real situation, and preset parameters in the formulas are set by those skilled in the art according to the actual situation.
The above embodiments may be implemented in whole or in part by software, hardware, firmware, or any other combination. When implemented in software, the above-described embodiments may be implemented in whole or in part in the form of a computer program product. The computer program product comprises one or more computer instructions or computer programs. When the computer instructions or computer program are loaded or executed on a computer, the processes or functions described in accordance with embodiments of the present application are produced in whole or in part. The computer may be a general purpose computer, a special purpose computer, a computer network, or other programmable apparatus. The computer instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be transmitted from one website site, computer, server, or data center to another website site, computer, server, or data center by wired or wireless means (e.g., infrared, wireless, microwave, etc.). The computer readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server, data center, etc. that contains one or more sets of available media. The usable medium may be a magnetic medium (e.g., floppy disk, hard disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium. The semiconductor medium may be a solid state disk.
It should be understood that the term "and/or" is merely an association relationship describing the associated object, and means that three relationships may exist, for example, a and/or B may mean: there are three cases, a alone, a and B together, and B alone, wherein a, B may be singular or plural. In addition, the character "/" herein generally indicates that the associated object is an "or" relationship, but may also indicate an "and/or" relationship, and may be understood by referring to the context.
In the present application, "at least one" means one or more, and "a plurality" means two or more. "at least one of" or the like means any combination of these items, including any combination of single item(s) or plural items(s). For example, at least one (one) of a, b, or c may represent: a, b, c, a-b, a-c, b-c, or a-b-c, wherein a, b, c may be single or plural.
It should be understood that, in various embodiments of the present application, the sequence numbers of the foregoing processes do not mean the order of execution, and the order of execution of the processes should be determined by the functions and internal logic thereof, and should not constitute any limitation on the implementation process of the embodiments of the present application.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
It will be clear to those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described systems, apparatuses and units may refer to corresponding procedures in the foregoing method embodiments, and are not repeated herein.
In the several embodiments provided by the present application, it should be understood that the disclosed systems, devices, and methods may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, e.g., the division of the units is merely a logical function division, and there may be additional divisions when actually implemented, e.g., multiple units or components may be combined or integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or units, which may be in electrical, mechanical or other form.
The units described as separate units may or may not be physically separate, and units shown 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 units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in the embodiments of the present application may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present application may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a read-only memory (ROM), a random access memory (random access memory, RAM), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (4)
1. The intelligent regulation and control method for the combined switch of the battery car is characterized by comprising the following steps of: the regulation and control method comprises the following steps:
s1: inserting and rotating a key to electrify the battery car, and collecting parameters of the two rotating parts by the regulation and control system to establish evaluation coefficients for the two rotating parts respectively;
s2: comparing the evaluation coefficients of the two rotating parts, locking the rotating part with small evaluation coefficient through a locking mechanism, wherein the rotating part is a standby rotating part;
s3: if the evaluation coefficient of any rotating part is smaller than the use threshold, the regulation and control system sends out a first warning, and if the evaluation coefficients of the two rotating parts are smaller than the use threshold, the regulation and control system sends out a second warning;
s3: in the riding process of the battery car, the regulation and control system collects a plurality of parameters to establish health coefficients for the battery, and corresponding warning is sent out according to the comparison result of the health coefficients and the health gradient threshold;
s4: when any rotating part fails, the regulation and control system starts the standby rotating part;
in step S1, establishing the evaluation coefficients includes the steps of:
collecting the stability of the voltage signal and the contact resistance abrasion degree of the rotating part, calculating the stability of the voltage signal and the contact resistance abrasion degree through a formula to obtain an evaluation coefficient, wherein the expression is as follows:
in the formula, pg s In order to evaluate the coefficients of the coefficients,for the stability of the voltage signal, +.>For the contact resistance abrasion degree, alpha and beta are respectively the proportion coefficient of the stability of the voltage signal and the contact resistance abrasion degree, and 0<α<Beta; the voltage signalStability of number->In v max For maximum voltage signal v min Is the minimum voltage signal; the contact resistance abrasion degree->Wherein r is c For the initial resistance of the contact resistance, i.e. the resistance when the contact resistance is new, r d The current resistance value;
in step S3, establishing the health coefficient includes the steps of:
collecting discharge current, connection degree of the battery wire end and temperature deviation value of the battery, calculating health coefficient of the discharge current, connection degree of the battery wire end and temperature deviation value of the battery through a formula, wherein the expression is as follows:
in the formula jk s Is a health coefficient, xt j For the connection degree of the battery terminal, fd j For discharging current pc j A is the temperature deviation value of the battery cell 1 、a 2 、a 3 The ratio coefficients of the connection degree of the battery terminal, the discharge current and the battery temperature deviation value are respectively a 2 >a 1 >a 3 The method comprises the steps of carrying out a first treatment on the surface of the The connection degree xt of the battery wire end j The calculated expression of (2) is: xt (xt) j ＝lj c /lj d The method comprises the steps of carrying out a first treatment on the surface of the In the formula, lj c Is the initial resistance value, lj, of the joint of the battery terminal d The current resistance value at the joint;
the storage battery temperature deviation value acquisition logic is as follows: the maximum stable working temperature of the storage battery is marked as wd max The steady operation minimum temperature is denoted as wd min The stable working temperature range of the battery jar is wd min ～wd max If the temperature of the battery jar collected in real time falls at wd min ～wd max In the temperature range, the temperature deviation value of the battery is 0, ifAnd if the real-time collected battery temperature is higher than the stable working maximum temperature, subtracting the real-time collected battery temperature from the stable working maximum temperature to obtain a battery temperature deviation value.
2. The intelligent regulation and control method for the combined switch of the battery car according to claim 1, which is characterized in that: setting a use threshold pg yz The evaluation coefficient pg of the two rotating parts s And use threshold pg yz Comparing;
if the evaluation coefficients pg of two rotating parts s All greater than or equal to the use threshold pg yz The regulation and control system does not send out warning, and locks the rotating part with small evaluation coefficient through the locking mechanism, and the rotating part is a standby rotating part;
if the evaluation coefficient pg of any rotating part s Less than the use threshold pg yz The blue LED lamp in the first warning area flashes to prompt;
if the evaluation coefficients pg of two rotating parts s Are all smaller than the use threshold pg yz A buzzer in the first warning area sounds to prompt.
3. The intelligent regulation and control method for the combined switch of the battery car according to claim 2, which is characterized in that: obtaining the health coefficient jk s Thereafter, a first health gradient threshold jk is set i And a second health gradient threshold jk j And jk i <jk j The health coefficient jk is calculated s And a first health gradient threshold jk i And a second health gradient threshold jk j Comparing;
if the health coefficient jk s Greater than or equal to a second health gradient threshold jk j The second warning area does not send out warning;
if the first health gradient threshold jk i Less than or equal to the health coefficient jk s Less than a second health gradient threshold jk j The second warning area gives out a warning,the yellow LED lamp is lighted;
if the health coefficient jk s Less than a first health gradient threshold jk i The second warning area gives out warning, and the red LED lamp is on.
4. An intelligent regulation and control system for a combined switch of a battery car, which is used for realizing the regulation and control method of any one of claims 1-3, and is characterized in that: the system comprises a first acquisition module, a second acquisition module, a comparison module, a warning module and a regulation and control module;
after the electric bicycle is electrified, the first acquisition module acquires parameters of two rotating parts, an evaluation coefficient is established for the two rotating parts respectively, in the riding process of the electric bicycle, the second acquisition module acquires a plurality of parameters to establish a health coefficient for the electric bicycle, the comparison module compares the evaluation coefficients of the two rotating parts, the rotating parts with small evaluation coefficients are locked through the locking mechanism, the rotating parts are standby rotating parts, and the warning module: if the evaluation coefficient of any rotating part is smaller than the use threshold, a first warning is sent out, the evaluation coefficients of the two rotating parts are smaller than the use threshold, a second warning is sent out, a corresponding warning is sent out through the comparison result of the health coefficient and the health gradient threshold, and when any rotating part fails, the regulation and control module starts the standby rotating part.
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