CN105178725B - A kind of control method of electromagnetic lock, electromagnetic lock and express delivery cabinet - Google Patents
A kind of control method of electromagnetic lock, electromagnetic lock and express delivery cabinet Download PDFInfo
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- CN105178725B CN105178725B CN201510547990.5A CN201510547990A CN105178725B CN 105178725 B CN105178725 B CN 105178725B CN 201510547990 A CN201510547990 A CN 201510547990A CN 105178725 B CN105178725 B CN 105178725B
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Abstract
The invention discloses a kind of control method of electromagnetic lock, which is applied on electromagnetic lock, which includes coil and lock core, and coil power supply circulation is out-of-date to can produce a magnetic force to be attracted lock core.The control method includes the following steps: to output current to coil.Whether detection coil meets default safety condition, if coil is unsatisfactory for default safety condition, stopping outputs current to coil.The invention also discloses the express delivery cabinets of a kind of electromagnetic lock and the application electromagnetic lock.Electromagnetic lock of the invention controls the electric current of coil, so that the coil works under default safety condition, therefore, coil is not easy to burn and long service life.
Description
Technical field
The present invention relates to electromagnetic lock control technology field more particularly to a kind of control methods of electromagnetic lock, electromagnetic lock and fast
Pass cabinet.
Background technique
The coil of existing electromagnetic lock is constantly in energized state, and therefore, the calorific value of coil is big, easily causes coil temperature
It is excessively high, it is easy to burn with induced coil and service life is short.
Summary of the invention
In view of this, causing coil to be not easy to burn and the control of electromagnetic lock with long service life it is really necessary to provide one kind
Method processed, and using the electromagnetic lock of the control method, and using the express delivery cabinet of the electromagnetic lock.
A kind of control method of electromagnetic lock, the control method are applied on electromagnetic lock, which includes coil and lock core,
Coil power supply circulation is out-of-date to can produce a magnetic force to be attracted lock core.The control method includes the following steps:
Output current to coil.
Whether detection coil meets default safety condition, if coil is unsatisfactory for default safety condition, stops outputing current to
Coil.
Preferably, whether detection coil meets default safety condition, if coil is unsatisfactory for default safety condition, stops output
Electric current to the step of coil includes:
Obtain the duration for outputing current to coil.
Judge whether duration is more than preset duration.
If duration is more than preset duration, stopping outputs current to coil.
Preferably, whether detection coil meets default safety condition, if coil is unsatisfactory for default safety condition, stops output
Electric current to the step of coil includes:
Obtain the current value of electric current.
Judge whether current value is more than pre-set current value.
If current value is more than pre-set current value, stopping outputs current to coil.
Preferably, whether detection coil meets default safety condition, if coil is unsatisfactory for default safety condition, stops output
Electric current to the step of coil includes:
Obtain the temperature value of coil.
Judge whether temperature value is more than preset temperature value.
If temperature value is more than preset temperature value, stopping outputs current to coil.
Preferably, whether detection coil meets default safety condition, if coil is unsatisfactory for default safety condition, stops output
Electric current to the step of coil includes:
Obtain the current value of electric current and the temperature value of coil.
Judge whether temperature value is more than preset temperature value and judges whether current value is more than pre-set current value.
If temperature value is more than preset temperature value or current value is more than pre-set current value, stopping outputs current to coil.
A kind of electromagnetic lock comprising driving circuit, control module, coil and lock core.Control module respectively with driving circuit,
Coil is electrically connected.Driving circuit, for outputing current to coil, so that coil generates magnetic attraction lock core.Control module is used
Whether meet default safety condition in detection coil.Control module, if being also used to coil is unsatisfactory for default safety condition, control is driven
Dynamic circuit stopping outputs current to coil.
Preferably, control module is also used to obtain the duration for outputing current to coil.Control module, when being also used to judge
Whether long be more than preset duration.Control module, if being also used to duration more than preset duration, control driving circuit stops output electric current
To coil.
It preferably, further include current detection module, current detection module is electrically connected with control module, coil respectively,
Current detection module, for obtaining the current value of electric current.Control module is also used to judge whether current value is more than predetermined current
Value.Control module, if being also used to current value more than pre-set current value, control driving circuit stopping outputs current to coil.
It preferably, further include temperature detecting module, temperature detecting module is electrically connected with control module, coil respectively,
Temperature detecting module, for obtaining the temperature value of coil, control module, for judging whether temperature value is more than preset temperature value.
Control module, if being also used to temperature value more than preset temperature value, control driving circuit stopping outputs current to coil.
Preferably, temperature detecting module, is also used to obtain the temperature value of coil, and current detection module is also used to obtain electricity
The current value of stream.Control module, is also used to judge whether temperature value is more than preset temperature value and judges whether current value is more than pre-
If current value.Control module, if being also used to temperature value more than preset temperature value or current value is more than pre-set current value, control driving
Circuit stopping outputs current to coil.
Preferably, driving circuit includes current source, first switch module, first input end and the first output end.First is defeated
Entering end to connect with control module, the first output end is connect with coil, when first input end is the first electric signal, first switch mould
Block is closed, so that current source no current is exported to the first output end, when first input end is electrically opposite with the first electric signal
When the second electric signal, first switch module conducting, so that current source outputs current to the first output end.
Preferably, first switch module includes triode Q5 and field-effect tube Q3.The base stage of triode Q5 and the first input
End connection, the emitter ground connection of triode Q5, the collector of triode Q5 are connect with the grid of field-effect tube Q3, field-effect tube Q3
Source electrode connect with current source, the drain electrode of field-effect tube Q3 and the first output end are electrically connected.
A kind of express delivery cabinet comprising multiple storage units, each storage unit include a door body, and door body is equipped with upper
The electromagnetic lock stated.
Electromagnetic lock of the invention controls the electric current of coil, so that the coil works under default safety condition, because
This, coil is not easy to burn and long service life.
Detailed description of the invention
Fig. 1 is a kind of partial structure diagram of embodiment express delivery cabinet.
Fig. 2 is the circuit theory schematic diagram of electromagnetic lock in Fig. 1.
Fig. 3 is the circuit diagram of driving circuit in Fig. 2.
Fig. 4 is a kind of flow diagram of the control method of embodiment electromagnetic lock.
Fig. 5 is the circuit theory schematic diagram of another embodiment electromagnetic lock.
Fig. 6 is the flow diagram of the control method of another embodiment electromagnetic lock.
Fig. 7 is the circuit theory schematic diagram of another embodiment electromagnetic lock.
Fig. 8 is the flow diagram of the control method of another embodiment electromagnetic lock.
Fig. 9 is the circuit theory schematic diagram of another embodiment electromagnetic lock.
Figure 10 is the flow diagram of the control method of another embodiment electromagnetic lock.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used to limit the present invention.
In one embodiment, Fig. 1 is please referred to, which includes multiple storage units 10, each storage unit 10
Including a door body 20, door body 20 is equipped with electromagnetic lock 30.Fig. 2 is referred to, which includes driving circuit 301, coil
302, control module 303 and lock core 304.The control module 303 is electrically connected with driving circuit 301, coil 302 respectively.The line
302 power supply circulation of circle is out-of-date to can produce a magnetic force to be attracted lock core 304.The driving circuit 301, for outputing current to coil
302.The control module 303 is also used to obtain the duration for outputing current to coil 302.The control module 303, is also used to judge
Whether duration is more than preset duration.The control module 303, if being also used to duration more than preset duration, control driving circuit 301 stops
Coil 302 is only outputed current to, meanwhile, which is attracted lock core 304 to predeterminated position, so that opening the electromagnetic lock.The control
Molding block 303, if being also used to duration is less than preset duration, control driving circuit 301 outputs current to coil 302 again.Please
Referring to Fig. 3, driving circuit 301 includes current source VIN_12V, first switch module, first input end LOCK, the first output end
LOCK_DRV.The first switch module respectively with current source VIN_12V, first input end LOCK, the first output end LOCK_DRV
It is electrically connected.First input end LOCK is connect with control module 303, which connect with coil 302.
The first switch module includes triode Q5, field-effect tube Q3.The base stage of triode Q5 is connect with first input end LOCK, should
The emitter of triode Q5 is grounded, and the collector of triode Q5 is connect with the grid of field-effect tube Q3, the source of field-effect tube Q3
Pole is connect with current source VIN_12V, and the drain electrode of field-effect tube Q3 and the first output end LOCK_DRV are electrically connected.
In order to which more clearly description is of the invention, it is assumed that the first electric signal is low level, and the second electric signal is high level.Cause
This, is when first input end LOCK is low level, triode Q5 shutdown, so that field-effect tube Q3 ends, current source VIN_12V's
Electric current cannot be exported by field-effect tube Q3, so that the first output end LOCK_DRV no current of driving circuit 301 exports.This
Outside, when first input end LOCK is high level, triode Q5 conducting, so that field-effect tube Q3 is connected, current source VIN_12V's
Electric current is exported by field-effect tube Q3, so that the first output end LOCK_DRV of driving circuit 301 has electric current output.Pass through first
The on or off of the electric signal control driving circuit 301 of input terminal LOCK, to control the first output end of driving circuit 301
Other driving circuits whether LOCK_DRV has electric current to export, also within protection scope of the present invention.
In one embodiment, Fig. 4 is referred to, the control method of the electromagnetic lock includes the following steps:
Step S1, outputs current to coil.
Step S2 obtains the duration for outputing current to coil.
Step S3 judges whether duration is more than preset duration.If duration is more than preset duration, step S4 is executed.If duration
It is less than preset duration, re-execute the steps S1.
Step S4, stopping output current to coil, meanwhile, coil is attracted lock core to predeterminated position, so that opening electromagnetic lock.
The electromagnetic lock of the present embodiment, by the electric current of driving circuit offer preset duration to coil, so that opening the electromagnetism
Lock avoids coil and is in energized state for a long time, is easy to the problem of generating heat with induced coil.Therefore, coil is not easy to burn
And long service life.
In another embodiment, Fig. 5 is referred to, which includes driving circuit 301, coil 302, control module
303, lock core 304 and current detection module 305.The control module 303 is electric with driving circuit 301, current detection module 305 respectively
Property connection.The current detection module 305 and coil 302 are electrically connected.The coil 302 power supply circulation is out-of-date to can produce a magnetic force
To be attracted lock core 304.The driving circuit 301, for outputing current to coil 302.Current detection module 305, for obtaining electricity
The current value of stream.Control module 303 is also used to judge whether current value is more than pre-set current value.Control module 303, is also used to
If current value is more than pre-set current value, the control stopping of driving circuit 301 outputs current to coil 302.In addition, the control module
303, if being also used to current value is less than pre-set current value, electric current is continued to output to coil 302.
In another embodiment, Fig. 6 is referred to, the control method of the electromagnetic lock includes the following steps:
Step S10, outputs current to coil.
Step S11 obtains the current value of electric current.
Step S12 judges whether current value is more than pre-set current value.If current value is more than pre-set current value, step is executed
S13.If current value is less than pre-set current value, step S10 is continued to execute.
Step S13, stopping output current to coil.
It should be noted that outputing current to control module, control module detects the electric current before executing step S10
Current value judges whether the current value is more than pre-set current value, if current value is more than pre-set current value, outputs current to again
Control module exports this and is less than pre-set current value until output is less than after the electric current to control module of pre-set current value
Electric current to coil.In this manner, the High-current output of starting is avoided to coil, so that coil burnout.In addition, this reality
The electromagnetic lock for applying example avoids High-current output to coil, so that coil burnout by controlling the size of electric current.
In further embodiments, Fig. 7 is referred to, which includes driving circuit 301, coil 302, control module
303, lock core 304 and temperature detecting module 306.The control module 303 is electric with driving circuit 301, temperature detecting module 306 respectively
Property connection.The temperature detecting module 306 and coil 302 are electrically connected.The coil 302 power supply circulation is out-of-date to can produce a magnetic force
To be attracted lock core 304.The driving circuit 301, for outputing current to coil 302.Temperature detecting module 306, for obtaining line
The temperature value of circle 302, control module 303, for judging whether temperature value is more than preset temperature value.Control module 303, is also used to
If temperature value is more than preset temperature value, the control stopping of driving circuit 301 outputs current to coil 302.In addition, the control module
303, if being also used to current value is less than pre-set current value, electric current is continued to output to coil 302.
In further embodiments, Fig. 8 is referred to, the control method of the electromagnetic lock includes the following steps:
Step S20, outputs current to coil.
Step S21 obtains the temperature value of coil.
Step S22 judges whether temperature value is more than preset temperature value.If temperature value is more than preset temperature value, step is executed
S23.If current value is less than pre-set current value, step S20 is continued to execute.
Step S23, stopping output current to coil.
The electromagnetic lock of the present embodiment avoids the temperature of coil excessively high by the temperature of control coil, so that coil burnout.
In further embodiments, Fig. 9 is referred to, which includes driving circuit 301, coil 302, control module
303, lock core 304, current detection module 305 and temperature detecting module 306.The control module 303 respectively with driving circuit 301,
Current detection module 305, temperature detecting module 306 are electrically connected.The temperature detecting module 306 and coil 302 are electrically connected.Electricity
It flows detection module 305 and coil 302 is electrically connected.The coil 302 power supply circulation is out-of-date to can produce a magnetic force to be attracted lock core
304.The driving circuit 301, for outputing current to coil 302.Current detection module 305, for obtaining the current value of electric current.
Temperature detecting module 306, for obtaining the temperature value of coil 302.Control module 303, be also used to judge temperature value whether be more than
Preset temperature value and judge whether current value is more than pre-set current value.Control module 303, if being also used to temperature value is more than default temperature
Angle value or current value are more than pre-set current value, and the control stopping of driving circuit 301 outputs current to coil.If in addition, being also used to temperature
Angle value is less than preset temperature value or current value is less than pre-set current value, continues to output electric current to coil 302.
In further embodiments, referring to Figure 10, the control method of the electromagnetic lock includes the following steps:
Step S30, outputs current to coil.
Step S31 obtains the current value of electric current and the temperature value of coil.
Step S32, judges whether temperature value is more than preset temperature value and judges whether current value is more than pre-set current value.If
Temperature value is more than preset temperature value or current value is more than pre-set current value, executes step S33.If temperature value is less than preset temperature
Value and current value is less than pre-set current value, continues to execute step S30.
Step S33, stopping output current to coil.
It should be noted that outputing current to control module, control module detects the electric current before executing step S30
Current value judges whether the current value is more than pre-set current value, if current value is more than pre-set current value, outputs current to again
Control module exports this and is less than pre-set current value until output is less than after the electric current to control module of pre-set current value
Electric current to coil.In this manner, the High-current output of starting is avoided to coil, so that coil burnout.In addition, this reality
The electromagnetic lock for applying example had both avoided high current and had passed through by controlling through the size of current of coil and the temperature of control coil
The generation of the problem of coil, the problem of causing coil burnout generation also avoids that temperature is excessively high, causes coil burnout.
The specific embodiment of invention is described in detail above, but it is only used as example, the present invention is not intended to limit
With specific embodiments described above.For a person skilled in the art, any equivalent modifications that the invention is carried out
Or substitute also all among scope of the invention, therefore, the made equalization in the case where not departing from the spirit and principles in the present invention range
Transformation and modification, improvement etc., all should be contained within the scope of the invention.
Claims (11)
1. a kind of control method of electromagnetic lock, the electromagnetic lock includes control module, coil and lock core, the coil power supply circulation
It is out-of-date to can produce a magnetic force to be attracted the lock core, which is characterized in that the control method includes the following steps:
Control module is outputed current to, control module detects the current value of the electric current, judges whether the current value is more than default electricity
Flow valuve；
If current value is more than pre-set current value, control module is outputed current to again, until output is less than pre-set current value
Electric current to control module after, export the electric current for being less than pre-set current value to coil；
Obtain the duration for exporting the electric current to the coil；
Judge whether the duration is more than preset duration；
If the duration is more than the preset duration, stop exporting the electric current to the coil, so that the coil is attracted lock
Core is to predeterminated position so that opening electromagnetic lock.
2. the control method of electromagnetic lock according to claim 1, which is characterized in that it is described output current to the coil it
Before, further includes:
Obtain the current value of the electric current；
Judge whether the current value is more than pre-set current value；
If the current value is more than the pre-set current value, stop exporting the electric current to the coil.
3. the control method of electromagnetic lock according to claim 1, which is characterized in that it is described output current to the coil it
Afterwards, further includes:
Obtain the temperature value of the coil；
Judge whether the temperature value is more than preset temperature value；
If the temperature value is more than the preset temperature value, stop exporting the electric current to the coil.
4. the control method of electromagnetic lock according to claim 1, which is characterized in that it is described output current to the coil it
Afterwards, further includes:
Obtain the current value of the electric current and the temperature value of the coil；
Judge whether the temperature value is more than preset temperature value and judges whether the current value is more than pre-set current value；
If the temperature value is more than the preset temperature value or the current value is more than the pre-set current value, stop output electric current
To the coil.
5. a kind of electromagnetic lock, which is characterized in that it includes driving circuit, control module, coil and lock core；The control module point
It is not electrically connected with the driving circuit, the coil；The current value of the control module detection electric current, judges that the current value is
No is more than pre-set current value；If current value is more than pre-set current value, control module is outputed current to again, until output does not surpass
It crosses after the electric current to control module of pre-set current value, which is exported by the driving circuit
To coil, so that the coil generates lock core described in magnetic attraction；The control module, for judging to export the electric current to institute
Whether the duration for stating coil is more than preset duration；The control module, if being also used to the duration more than the preset duration, control
Making the driving circuit stopping output electric current to the coil makes the coil be attracted lock core to predeterminated position so that opening
Open electromagnetic lock.
6. electromagnetic lock according to claim 5, which is characterized in that it further includes current detection module, the current detecting
Module is electrically connected with the control module, the coil respectively, the current detection module, for obtaining the electricity of the electric current
Flow valuve；The control module is also used to judge whether the current value is more than pre-set current value；The control module, is also used to
If the current value is more than the pre-set current value, controls the driving circuit and stop exporting the electric current to the coil.
7. electromagnetic lock according to claim 5, which is characterized in that it further includes temperature detecting module, the temperature detection
Module is electrically connected with the control module, the coil respectively, the temperature detecting module, for obtaining the temperature of the coil
Angle value, the control module, for judging whether the temperature value is more than preset temperature value；The control module, if being also used to
The temperature value is more than the preset temperature value, controls the driving circuit and stops exporting the electric current to the coil.
8. electromagnetic lock according to claim 5, which is characterized in that it further includes temperature detecting module and current detecting mould
Block, the temperature detecting module are also used to obtain the temperature value of the coil, and the current detection module is also used to obtain institute
State the current value of electric current；The control module is also used to judge whether the temperature value is more than described in preset temperature value and judgement
Whether current value is more than pre-set current value；The control module, if be also used to the temperature value more than the preset temperature value or
The current value is more than the pre-set current value, controls the driving circuit stopping and outputs current to coil.
9. electromagnetic lock according to claim 5, which is characterized in that the driving circuit includes current source, first switch mould
Block, first input end and the first output end, the first input end are connect with the control module, first output end and institute
Coil connection is stated, when the first input end is the first electric signal, the first switch module is closed, so that the current source
No current is exported to first output end, when the first input end is second electricity electrically opposite with first electric signal
When signal, the first switch module conducting, so that the current source outputs current to first output end.
10. electromagnetic lock according to claim 9, which is characterized in that the first switch module includes triode Q5 and field
Effect pipe Q3, the base stage of the triode Q5 are connect with the first input end, the emitter ground connection of the triode Q5, described
The collector of triode Q5 is connect with the grid of the field-effect tube Q3, and the source electrode and the current source of the field-effect tube Q3 connects
It connects, the drain electrode of the field-effect tube Q3 and first output end are electrically connected.
11. a kind of express delivery cabinet, which is characterized in that it includes multiple storage units, each storage unit includes a door body, institute
Door body is stated equipped with electromagnetic lock described in one of claim 5~10.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510547990.5A CN105178725B (en) | 2015-08-31 | 2015-08-31 | A kind of control method of electromagnetic lock, electromagnetic lock and express delivery cabinet |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510547990.5A CN105178725B (en) | 2015-08-31 | 2015-08-31 | A kind of control method of electromagnetic lock, electromagnetic lock and express delivery cabinet |
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| CN105178725B true CN105178725B (en) | 2019-01-25 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106088835A (en) * | 2016-07-22 | 2016-11-09 | 珠海格力电器股份有限公司 | Control device, electromagnetic lock and the control method thereof of a kind of electromagnetic lock |
| CN110766880A (en) * | 2019-08-30 | 2020-02-07 | 浙江百世技术有限公司 | Express taking and placing device and express taking and placing method |
| CN113356696B (en) * | 2021-06-24 | 2022-03-25 | 威海新北洋技术服务有限公司 | Electromagnetic lock control device, electromagnetic lock equipment and control method thereof |
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| CN201086760Y (en) * | 2007-02-08 | 2008-07-16 | 吴怡之 | Electromagnetic brake lock of full-automatic safety electric car |
| CN101860175A (en) * | 2009-04-09 | 2010-10-13 | 杨泰和 | Electromagnetic actuating device for holding energization of parallel starting part |
| CN104867247A (en) * | 2015-06-09 | 2015-08-26 | 谢晓帆 | Anti-explosion express cabinet and method thereof |
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| CN201162428Y (en) * | 2008-02-20 | 2008-12-10 | 宋明昊 | Controllable safety cabinet |
| US9208674B2 (en) * | 2010-07-13 | 2015-12-08 | Li-Shih Liao | Security system with power saving feature and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201086760Y (en) * | 2007-02-08 | 2008-07-16 | 吴怡之 | Electromagnetic brake lock of full-automatic safety electric car |
| CN101860175A (en) * | 2009-04-09 | 2010-10-13 | 杨泰和 | Electromagnetic actuating device for holding energization of parallel starting part |
| CN104867247A (en) * | 2015-06-09 | 2015-08-26 | 谢晓帆 | Anti-explosion express cabinet and method thereof |
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