CN109782643A - A kind of electric tool starting heat engine control method - Google Patents
A kind of electric tool starting heat engine control method Download PDFInfo
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- CN109782643A CN109782643A CN201910183251.0A CN201910183251A CN109782643A CN 109782643 A CN109782643 A CN 109782643A CN 201910183251 A CN201910183251 A CN 201910183251A CN 109782643 A CN109782643 A CN 109782643A
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Abstract
The present invention provides a kind of electric tool starting heat engine control method, including starting switch and starting state flag bit B, and will start revolving speed/power divider is several situations, which kind of judge to be started using revolving speed/power by starting switch the numerical value of the number pressed and starting state flag bit B, and start that revolving speed/power is descending successively to be attempted, until electric tool can normally start operation, to realize the effect of starting heat engine.
Description
Technical field
The present invention relates to power tools technology fields, start heat engine control method more particularly to a kind of electric tool, fit
For assembling class, cut class and the electric tool for class of milling, such as: electric saw, electric drill, angle grinder.
Background technique
Battery pack there are many specification, capacity have it is small have big, the battery pack discharge capability of different capabilities is not identical.Same electricity
The discharge capability of Chi Bao in different environments is also not quite similar.Same electric tool is since mechanical structure and grease are by environment
It influences, it is different to will also result in required current capacity.So being caused when electric tool or battery pack are effected by environmental factors
Electric tool needs more current that could operate normally, and battery pack discharge capability declines, and needs the promotion ability by temperature
When solution, heat engine function is needed to be implemented, it is ensured that the normal starting of electric tool.
Summary of the invention
The technical problems to be solved by the present invention are: in order to overcome in the prior art electric tool can not normally start not
Foot, the present invention provide a kind of electric tool starting heat engine control method.
The present invention solves its technical problem technical solution to be taken: a kind of electric tool starting heat engine controlling party
Method, including start switch with starting state flag bit B, electric tool switch is similar with trigger, and hand is pinched down, just start, unclamp with
Afterwards, it switchs oneself and pops into position and set, switch short.Switch is not pinned, electric tool cannot be run, therefore be defined as follows: continuing
It presses and starts switch, electric tool is in operating status, and release starts switch, and electric tool is out of service;
The initial value of starting state flag bit B is set as N0;
As starting state flag bit B=N1When, motor is with full speed V1Starting;
As starting state flag bit B=N2When, motor is for the first time with revolving speed V2Starting;
As starting state flag bit B=N3When, motor is for the first time with revolving speed V2Start successfully, actively unclamps and start switch;
As starting state flag bit B=N4When, motor is again with revolving speed V2Starting;
As starting state flag bit B=N5When, motor is with revolving speed V3Starting;
Wherein, V1For the maximum speed of electric motor starting;V3For the minimum speed of electric motor starting, and V3< V2< V1, N0、N1、
N2、N3、N4And N5For different value.In addition, maximum speed V1For that can be determined by the peak power output of motor, and minimum speed
V3, the actual performance of the motor used by electric tool determines, the minimum speed of the motor of different batches or different brands
Spend different, the demand that can have more is configured.V2Value between said two devices, can also be set as the case may be
It sets.
It is further comprising the steps of:
S1: pressing and start switch starting electric tool, judges whether the value of starting state flag bit B is initial value N0, such as
The value of fruit starting state flag bit B is initial value N0, then S2 is entered step;
If the value of starting state flag bit B is not initial value N0, then S3 is entered step;
S2: N is set by the value of starting state flag bit B1, motor is at this time with full speed V1Starting, if the operation that motor is total
Time t > motor starting time threshold value T, then be judged as that electric tool normally starts, into normal operating condition, while starting shape
The value of state flag bit B is set as initial value, and enters step S6;Otherwise, it is judged as electric tool starting failure, keeps starting shape
The value of state flag bit B is N1Constant, release starts switch, and presses start switch starting electric tool again, and enter step
S3;
S3: whether the value for judging starting state flag bit B is N1If the value of starting state flag bit B is N1, then will open
The value of dynamic state flag bit B is set as N2, motor is with revolving speed V2Starting, if motor can normally start, by starting state mark
The value of will position B is set as N3, and actively unclamp and start switch, it then presses again and starts switch starting electric tool, and enter
Step S4;Otherwise, it is judged as electric tool starting failure, keeping the value of starting state flag bit B is N2It is constant, it unclamps starting and opens
It closes, and presses start switch starting electric tool again, and enter step S5;If the value of starting state flag bit B is not N1,
Then enter step S5.
Judge that the method that motor can normally start is similar with step S2 in this step, because if mechanical structure is inadequate
Heat, caused by load it is bigger than normal, can be detected in very short time, record is again started up total runing time t1 > motor again
Start time threshold T1, motor is again started up in the value and step S2 of time threshold T1 that motor starting time threshold value T can be with for the first time
It is identical to may be set to be different numerical value, it can be configured according to the performance of specific electric tool, subsequent judgment criteria
Also identical, just do not repeating.
S4: whether the value for judging starting state flag bit B is N3If the value of starting state flag bit B is N3, then will open
The value of dynamic state flag bit B is set as N4, while motor is again with revolving speed V2Starting, and unimpeded access normal operating condition, and
Initial value is set by the value of starting state flag bit B, enters step S6;
S5: judge the value of starting state flag bit B for N2If the value of starting state flag bit B is N2, then will start shape
The value of state flag bit B is set as N5, then motor is with revolving speed V3Starting, and unimpeded access normal operating condition, and by starting state
The value of flag bit B is set as initial value, enters step S6;
If the value of starting state flag bit B is not N2, then S4 is entered step;
S6: being run to work with present speed and completed, and when work is completed, release is started switch, out of service.
Due to being proportional relation between motor speed and the output power of motor, revolving speed is higher, and output power is bigger.Work as temperature
When spending too low, mechanical part causes additional loss to raise, if ensured the power output as when just producing work, two
Person, which is added, to cause battery pack protection to power off more than the fan-out capability of battery pack.Machine is unable to normal use.Therefore, above-mentioned side
Motor speed in method can be substituted using power, and using power as starting control parameter, control method is expressed as follows:
A kind of electric tool starts heat engine control method, including start switch with starting state flag bit B, and define such as
Under:
It persistently presses and starts switch, electric tool is in operating status, and release starts switch, and electric tool is out of service;
The initial value of starting state flag bit B is set as N0;
As starting state flag bit B=N1When, motor is with total power P1Starting;
As starting state flag bit B=N2When, motor is for the first time with power P2Starting;
As starting state flag bit B=N3When, motor is for the first time with power P2Start successfully, actively unclamps and start switch;
As starting state flag bit B=N4When, motor is again with power P2Starting;
As starting state flag bit B=N5When, motor is with power P3Starting;
Wherein, P1For the maximum power of motor output;P3For the minimum power of motor output, and P3< P2< P1, N1、N2、
N3、N4And N5For different numerical value;
It is further comprising the steps of:
S1: pressing and start switch starting electric tool, judges whether the value of starting state flag bit B is initial value N0, such as
The value of fruit starting state flag bit B is initial value N0, then S2 is entered step;
If the value of starting state flag bit B is not initial value N0, then S3 is entered step;
S2: N is set by the value of starting state flag bit B1, motor is at this time with total power P1Starting, if the fortune that motor is total
Row time t > motor starting time threshold value T, then be judged as that electric tool normally starts, into normal operating condition, start simultaneously
The value of state flag bit B is set as initial value, enters step S6;Otherwise, it is judged as electric tool starting failure, keeps starting shape
The value of state flag bit B is N1Constant, release starts switch, and presses start switch starting electric tool again, and enter step
S3;
S3: whether the value for judging starting state flag bit B is N1If the value of starting state flag bit B is N1, then will open
The value of dynamic state flag bit B is set as N2, motor is with power P2Starting, if motor can normally start, by starting state mark
The value of will position B is set as N3, and actively unclamp and start switch, it then presses again and starts switch starting electric tool, and enter
Step S4;Otherwise, it is judged as electric tool starting failure, keeping the value of starting state flag bit B is N2It is constant, it unclamps starting and opens
It closes, and presses start switch starting electric tool again, and enter step S5;
If the value of starting state flag bit B is not N1, then S5 is entered step;
S4: whether the value for judging starting state flag bit B is N3If the value of starting state flag bit B is N3, then will open
The value of dynamic state flag bit B is set as N4, while motor is again with power P2Starting, and unimpeded access normal operating condition, and
Initial value is set by the value of starting state flag bit B, enters step S6;
S5: judge the value of starting state flag bit B for N2If the value of starting state flag bit B is N2, then will start shape
The value of state flag bit B is set as N5, then motor is with power P3Starting, and unimpeded access normal operating condition, and by starting state
The value of flag bit B is set as initial value, enters step S6;
If the value of starting state flag bit B is not N2, then S4 is entered step;
S6: being run to work with present speed and completed, and when work is completed, release is started switch, out of service.
The beneficial effects of the present invention are: a kind of electric tool provided by the invention starts heat engine control method, by electronic work
Starting revolving speed/power divider of tool is several situations, by the number for starting switch the number pressed and starting state flag bit B
Value judges to be started using which kind of revolving speed/power, and starts that revolving speed/power is descending successively to be attempted,
Until electric tool can normally start operation, to realize the effect of starting heat engine, has and need not rely on external strength
Heating machine itself can allow machine to heat oneself when using and (exporting although cannot reach total power), can be just until reaching
The condition being often used.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the flow diagram of preferred embodiment.
Specific embodiment
Presently in connection with attached drawing, the present invention is described in detail.This figure is simplified schematic diagram, is only illustrated in a schematic way
Basic structure of the invention, therefore it only shows the composition relevant to the invention.
As shown in Figure 1, control method is specifically described using revolving speed in the present embodiment, it is preferable that V1For full speed, V2=
70%V1, V3=50%V1, the setting of starting state flag bit B value can be realized using various ways, can use addition meter
Number can also use subtraction count, can also use and add in the present embodiment by the way of indirect assignment, for the ease of statement
The mode that method counts.And N is set0=0, N1=N0+ 1=1, N2=N1+ 1=2, N3=10, N4=N3+ 1=11, N5=N2+1
=3.
After the completion of each electric tool normal use, all initial value, this reality can be set by the value of starting state flag bit B
Apply initial value N in example0It is 0, therefore, is indicated, therefore, started switch if it is pressing for the first time, then starting state mark using resetting
The value of will position B should be 0, therefore, can be by judging the value of starting state flag bit B, to determine whether being to press to open for the first time
Dynamic switch.
Specifically includes the following steps:
S1: pressing and start switch starting electric tool, judges whether the value of starting state flag bit B is 0, if starting shape
The value of state flag bit B is 0, then starts switch to press for the first time, corresponding to enter step S2;
If the value of starting state flag bit B is not 0, illustrating to start switch not is to press for the first time, then enters step S3;
S2: pressing for the first time after starting switch, and the numerical value of starting state flag bit B is added 1, at this time B=1, motor is with 100%
Speed starting, i.e. full speed V1Starting, if the runing time t > motor starting time threshold value T that motor is total, in the present embodiment preferably
Motor starting time threshold value T=3.5S is then judged as that electric tool normally starts, into normal operating condition, while starting shape
The value of state flag bit B is reset, and is run with present speed to work and completed, and when work is completed, release is started switch, and stops fortune
Row, waiting use next time.
After operating normally 3.5 seconds after normal starting, still there is no being powered off, then it is assumed that current external rings
Border meets normal operating conditions, and either time is up, or switch unclamps, and all flag bit can be arranged to normal condition.
Otherwise, it is judged as electric tool starting failure, keeps the value of starting state flag bit B constant, release starts switch,
Then it presses again and starts switch starting electric tool, and enter step S3.
S3: since full speed starts not successfully, the value that release starts switch rear starting state flag bit B does not change, because
This, first determines whether the value of starting state flag bit B is 1, is to start inactive success at full speed if it is 1 explanation, presses again
Under the treatment process that starts switch.At this point, the value of starting state flag bit B is added 1, i.e. B=2, motor is with revolving speed V2Starting, such as
Fruit motor can normally start, then set 10 for the value of starting state flag bit B, and actively unclamp and start switch, then again
Secondary press starts switch starting electric tool, and enters step S4;Otherwise, it is judged as electric tool starting failure, keeps starting
The value of state flag bit B is 2 constant, and release starts switch, and presses start switch starting electric tool again, and enter step
S5;
If the value of starting state flag bit B is not N1, then S5 is entered step;
S4: whether the value for judging starting state flag bit B is 10, if the value of starting state flag bit B is 10, will be opened
The value of dynamic state flag bit B adds 1, i.e. B=11, and motor is again with revolving speed V at this time2, i.e. 70% speed starting, and unimpeded access
Normal operating condition, and the value of starting state flag bit B is reset, it is run with present speed to work and is completed, when work is completed
When, release starts switch, and out of service, waiting uses next time.
S5: whether the value for judging starting state flag bit B is 2, will starting if the value of starting state flag bit B is 2
The value of state flag bit B is set as 3, then motor is with revolving speed V3Starting, i.e. 50% speed starting, and unimpeded access operates normally
State, and the value of starting state flag bit B is reset, it is run with present speed to work and is completed, when work is completed, release is opened
Dynamic switch, out of service, waiting uses next time.
If the value of starting state flag bit B is not 3, enter step S4, judge starting state flag bit B value whether
It is 10.
The judgement sequence of starting state flag bit B value is 0-1-2-3-10 in the present embodiment, that is, initial, full speed, 70% speed
Degree, 50% speed enter corresponding treatment process if it is the value is then corresponding, also, this control method is to starting state mark
Whether the judgement of will position B value, can automatically identify is to press to start switch for the first time, without additional judgement, is simplified
Control process.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff
Various changes and amendments can be carried out without departing from the scope of the present invention completely.The technical scope of this invention is not
The content being confined on specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (2)
1. a kind of electric tool starts heat engine control method, it is characterised in that: including start switch with starting state flag bit B,
And it is defined as follows:
It persistently presses and starts switch, electric tool is in operating status, and release starts switch, and electric tool is out of service;
The initial value of starting state flag bit B is set as N0;
As starting state flag bit B=N1When, motor is with full speed V1Starting;
As starting state flag bit B=N2When, motor is for the first time with revolving speed V2Starting;
As starting state flag bit B=N3When, motor is for the first time with revolving speed V2Start successfully, actively unclamps and start switch;
As starting state flag bit B=N4When, motor is again with revolving speed V2Starting;
As starting state flag bit B=N5When, motor is with revolving speed V3Starting;
Wherein, V3< V2< V1, N0、N1、N2、N3、N4And N5For different value;
It is further comprising the steps of:
S1: pressing and start switch starting electric tool, judges whether the value of starting state flag bit B is initial value N0If starting
The value of state flag bit B is initial value N0, then S2 is entered step;
If the value of starting state flag bit B is not initial value N0, then S3 is entered step;
S2: N is set by the value of starting state flag bit B1, motor is at this time with full speed V1Starting, if the runing time that motor is total
T > motor starting time threshold value T, then be judged as that electric tool normally starts, into normal operating condition, while starting state mark
The value of will position B is set as initial value, and enters step S6;Otherwise, it is judged as electric tool starting failure, keeps starting state mark
The value of will position B is N1Constant, release starts switch, and presses start switch starting electric tool again, and enter step S3;
S3: whether the value for judging starting state flag bit B is N1If the value of starting state flag bit B is N1, then will start shape
The value of state flag bit B is set as N2, motor is with revolving speed V2Starting, if motor can normally start, by starting state flag bit
The value of B is set as N3, and actively unclamp and start switch, it then presses again and starts switch starting electric tool, and enter step
S4;Otherwise, it is judged as electric tool starting failure, keeping the value of starting state flag bit B is N2Constant, release starts switch,
And it presses start switch starting electric tool again, and enter step S5;
If the value of starting state flag bit B is not N1, then S5 is entered step;
S4: whether the value for judging starting state flag bit B is N3If the value of starting state flag bit B is N3, then will start shape
The value of state flag bit B is set as N4, while motor is again with revolving speed V2Starting, and unimpeded access normal operating condition, and will open
The value of dynamic state flag bit B is set as initial value, enters step S6;
S5: judge the value of starting state flag bit B for N2If the value of starting state flag bit B is N2, then by starting state mark
The value of will position B is set as N5, then motor is with revolving speed V3Starting, and unimpeded access normal operating condition, and by starting state mark
The value of position B is set as initial value, enters step S6;
If the value of starting state flag bit B is not N2, then S4 is entered step;
S6: being run to work with present speed and completed, and when work is completed, release is started switch, out of service.
2. a kind of electric tool starts heat engine control method, it is characterised in that: including start switch with starting state flag bit B,
And it is defined as follows:
It persistently presses and starts switch, electric tool is in operating status, and release starts switch, and electric tool is out of service;
The initial value of starting state flag bit B is set as N0;
As starting state flag bit B=N1When, motor is with total power P1Starting;
As starting state flag bit B=N2When, motor is for the first time with power P2Starting;
As starting state flag bit B=N3When, motor is for the first time with power P2Start successfully, actively unclamps and start switch;
As starting state flag bit B=N4When, motor is again with power P2Starting;
As starting state flag bit B=N5When, motor is with power P3Starting;
Wherein, P3< P2< P1, N1、N2、N3、N4And N5For different numerical value;
It is further comprising the steps of:
S1: pressing and start switch starting electric tool, judges whether the value of starting state flag bit B is initial value N0If starting
The value of state flag bit B is initial value N0, then S2 is entered step;
If the value of starting state flag bit B is not initial value N0, then S3 is entered step;
S2: N is set by the value of starting state flag bit B1, motor is at this time with total power P1Starting, if when the total operation of motor
Between t > motor starting time threshold value T, then be judged as that electric tool normally starts, into normal operating condition, while starting state
The value of flag bit B is set as initial value, enters step S6;Otherwise, it is judged as electric tool starting failure, keeps starting state mark
The value of will position B is N1Constant, release starts switch, and presses start switch starting electric tool again, and enter step S3;
S3: whether the value for judging starting state flag bit B is N1If the value of starting state flag bit B is N1, then will start shape
The value of state flag bit B is set as N2, motor is with power P2Starting, if motor can normally start, by starting state flag bit
The value of B is set as N3, and actively unclamp and start switch, it then presses again and starts switch starting electric tool, and enter step
S4;Otherwise, it is judged as electric tool starting failure, keeping the value of starting state flag bit B is N2Constant, release starts switch,
And it presses start switch starting electric tool again, and enter step S5;
If the value of starting state flag bit B is not N1, then S5 is entered step;
S4: whether the value for judging starting state flag bit B is N3If the value of starting state flag bit B is N3, then will start shape
The value of state flag bit B is set as N4, while motor is again with power P2Starting, and unimpeded access normal operating condition, and will open
The value of dynamic state flag bit B is set as initial value, enters step S6;
S5: judge the value of starting state flag bit B for N2If the value of starting state flag bit B is N2, then by starting state mark
The value of will position B is set as N5, then motor is with power P3Starting, and unimpeded access normal operating condition, and by starting state mark
The value of position B is set as initial value, enters step S6;
If the value of starting state flag bit B is not N2, then S4 is entered step;
S6: being run to work with present speed and completed, and when work is completed, release is started switch, out of service.
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CN114193402A (en) * | 2021-12-30 | 2022-03-18 | 无锡知荣电子有限公司 | Control method of electric impact tool |
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Address after: Room 8-01, Guozhan electromechanical Industrial Park, 538 Hehai West Road, Xinbei District, Changzhou City, Jiangsu Province Applicant after: Changzhou Toolon Electric Works Co.,Ltd. Applicant after: HANGZHOU SLEDUCE TECHNOLOGY Co.,Ltd. Address before: 213023 No. 178-1 Yulong South Road, Zhonglou Economic Development Zone, Changzhou City, Jiangsu Province Applicant before: Changzhou Toolon Electric Works Co.,Ltd. Applicant before: HANGZHOU SLEDUCE TECHNOLOGY Co.,Ltd. |
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GR01 | Patent grant | ||
GR01 | Patent grant |