CN109524194A - A kind of battery-type electricity permanent magnet and its forward and reverse exciting method - Google Patents
A kind of battery-type electricity permanent magnet and its forward and reverse exciting method Download PDFInfo
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- CN109524194A CN109524194A CN201811474835.5A CN201811474835A CN109524194A CN 109524194 A CN109524194 A CN 109524194A CN 201811474835 A CN201811474835 A CN 201811474835A CN 109524194 A CN109524194 A CN 109524194A
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- 230000005611 electricity Effects 0.000 title claims abstract description 71
- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000002441 reversible effect Effects 0.000 title abstract description 12
- 230000005284 excitation Effects 0.000 claims abstract description 86
- 238000001514 detection method Methods 0.000 claims description 32
- 230000004907 flux Effects 0.000 claims description 12
- 239000013078 crystal Substances 0.000 claims description 3
- 230000003028 elevating effect Effects 0.000 abstract 1
- 230000005389 magnetism Effects 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 230000005347 demagnetization Effects 0.000 description 5
- 230000001939 inductive effect Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000035772 mutation Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/18—Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
Abstract
The invention discloses a kind of battery-type electricity permanent magnet and its forward and reverse exciting methods, electric permanent magnet includes battery, controller and electric permanent magnet body, controller includes excitation circuit unit parallel with one another and corresponds concatenated freewheeling circuit unit with excitation circuit unit, excitation circuit unit includes first switch and the second switch, the magnet exciting coil being connected with therebetween in electric permanent magnetism body；First switch and the second switch is single-pole double-throw switch (SPDT), and the both ends of magnet exciting coil are connected with the moved end of the two, and two non-moving ends of the two are connected with the anode and freewheeling circuit unit of battery respectively, freewheeling circuit unit and battery cathode phase.Battery-type electricity permanent magnet of the invention has many advantages, such as that exciting current is big, elevating capacity quickly triggers greatly, without waiting for time of afterflow, multichannel and advantages of simple structure and simple, and the forward and reverse exciting method of above-mentioned electric permanent magnet provided by the invention has step simply and security performance is high.
Description
Technical field
The present invention relates to magnetic means field more particularly to a kind of battery-type electricity permanent magnet and its forward and reverse excitations
Method.
Background technique
The principle of battery-type electricity permanent magnet is to be powered using battery to controller, keep controller output positive or
To carry out excitation to the magnet exciting coil inside electric permanent magnet, the reversible magnet steel for keeping its circular intensifies reversed electric current, generate with forever
Magnet magnetic field in the same direction or reversed, absorption or release target magnetic conduction object.Magnet exciting coil usually inside electricity permanent magnet is one big
Inductive load, therefore at the end of excitation process, exciting current cannot be mutated, but need certain time of afterflow.It is existing big
The electric permanent magnet of type, the exciting current needed is larger, and the voltage and current that battery can be provided is limited, therefore fills demagnetization behaviour
Make generally will point multiple groups sequentially carry out, but every group is filled after the completion of demagnetization and also waits for just can be carried out next group of behaviour after the completion of afterflow
Make, so it is longer to fill the demagnetization time.
Summary of the invention
Problem to be solved by this invention is, in view of the problems of the existing technology, provides that a kind of exciting current is big, lifting
Ability quickly triggers greatly, without waiting for time of afterflow, multichannel and the simple battery-type electricity permanent magnet of structure, correspondingly provides
Step is simple, the forward and reverse exciting method swift to operate to the battery-type electricity permanent magnet.
In order to solve the above technical problems, technical solution proposed by the present invention are as follows:
A kind of battery-type electricity permanent magnet, including battery, controller and electric permanent magnet body, the electricity permanent magnet body
Including magnet exciting coil, the controller includes one or more excitation circuit unit and and excitation circuit parallel with one another
Unit corresponds concatenated freewheeling circuit unit, and the excitation circuit unit includes first switch and the second switch, and first opens
It closes and is connected with magnet exciting coil between second switch；The first switch and the second switch is single-pole double-throw switch (SPDT), described to encourage
The both ends of magnetic coil are connected with the moved end of first switch and the second switch respectively, and two of first switch and the second switch are motionless
End is connected with the anode and freewheeling circuit unit of battery respectively, and the freewheeling circuit unit is connected with battery cathode.
As a further improvement of the above technical scheme:
The freewheeling circuit unit includes the first transistor and second transistor of two one-way conductions parallel with one another, with
And it is connected to the third transistor between the first transistor and the input terminal and battery terminal negative of second transistor；The first transistor
It is connected on the two-end-point of magnet exciting coil with the output end of second transistor.
The first transistor and second transistor are diode, and the third transistor is triode.
The collector of the third transistor respectively with a non-moving end of the first switch, one of second switch not
The input terminal of moved end and the first transistor is connected with the input terminal of second transistor, the emitter of the third transistor and electric power storage
The cathode in pond connects.
The third transistor is IGBT pipe.
The first switch and the second switch is relay, in the first switch and the second switch, magnet exciting coil with
Freewheeling circuit unit is connected on normally-closed contact.
The battery-type electricity permanent magnet further includes being connected respectively with the control terminal of the first switch and the second switch
Single-chip microcontroller；The single-chip microcontroller is configured as executing the one or two acted below:
When the battery-type electricity permanent magnet carries out positive excitation, triggering first switch movement, second switch is failure to actuate；
When the battery-type electricity permanent magnet carries out reversed excitation, triggering second switch movement, first switch is failure to actuate.
The battery-type electricity permanent magnet further includes the third transistor driving chip for driving third transistor to be connected,
The single-chip microcontroller is also connected with third transistor driving chip, the gate pole of the third transistor driving chip and third transistor
It is connected, control third transistor driving chip triggers third crystal while the single-chip microcontroller triggers first switch or second switch
Pipe.
The controller further includes external unit and detection unit, between external unit, detection unit and the single-chip microcontroller
It is connected to by wired or wireless way, the detection unit includes electric power detection module, and the electric power detection module detects electric power storage
The electricity in pond and the display module for being sent to external unit show the electricity of battery.
The external unit further includes battery alert lamp, the electric power detection module measure battery electricity it is low when control
Battery alert lamp issues alarm signal.
The detection unit further includes exciting current detecting device, and the exciting current detecting device measures exciting current and reaches
Signal is issued to single-chip microcontroller when to maximum permissible value, control third transistor driving chip stops triggering after single-chip microcontroller receives signal
Third transistor.
The maximum permissible value of the exciting current is the electric current maximum permissible value of third transistor or presets value.
The detection unit further includes flux detection module, and the external unit further includes handling indicator light, the magnetic flux
The magnetic flux measured is sent to single-chip microcontroller by detection module, and by single-chip microcontroller determine whether to reach it is pre-set can handling magnetic flux
Amount, single-chip microcontroller control the light on and off of handling indicator light according to judging result.
A kind of positive exciting method of above-mentioned battery-type electricity permanent magnet, step include:
S1: relay forward direction is connected: single-chip microcontroller controls the first switch movement in an excitation circuit unit, second switch
It is failure to actuate；
S2: third transistor triggering: simultaneously with step S1, single-chip microcontroller controls third transistor driving chip, keeps third brilliant
The gate pole for the third transistor in freewheeling circuit unit that the triggering of body pipe driving chip is concatenated with the excitation circuit unit；
S3: single magnet exciting coil completes positive excitation: after generating exciting current in magnet exciting coil, it is brilliant that single-chip microcontroller controls third
Body pipe driving chip stops the gate pole of the third transistor in the freewheeling circuit unit that triggering is concatenated with the excitation circuit unit；
S4: complete positive excitation: single-chip microcontroller starts to repeat step S1~S3 to next magnet exciting coil forward direction excitation, until
All magnet exciting coils complete excitation.
A kind of reversed exciting method of above-mentioned battery-type electricity permanent magnet, step include:
S1: relay is reversely connected: the first switch that single-chip microcontroller controls in an excitation circuit unit is failure to actuate, and second opens
Pass movement；
S2: third transistor triggering: simultaneously with step S1, single-chip microcontroller controls third transistor driving chip, keeps third brilliant
The gate pole for the third transistor in freewheeling circuit unit that the triggering of body pipe driving chip is concatenated with the excitation circuit unit；
S3: single magnet exciting coil completes reversed excitation: after generating exciting current in magnet exciting coil, it is brilliant that single-chip microcontroller controls third
Body pipe driving chip stops the gate pole of the third transistor in the freewheeling circuit unit that triggering is concatenated with the excitation circuit unit；
S4: complete reversed excitation: single-chip microcontroller starts to repeat step S1~S3 to the reversed excitation of next magnet exciting coil, until
All magnet exciting coils complete excitation.
Compared with the prior art, the advantages of the present invention are as follows:
Battery-type electricity permanent magnet of the invention, the excitation circuit unit being connected to magnet exciting coil in controller and afterflow
Circuit units are as shown in Figure 1, connection structure very simple.When carrying out positive excitation, as shown in Fig. 2, IGBT is connected, first is opened
It closes and is connected with battery positive voltage, the collector of second switch and IGBT are connected, and current path is as solid line in figure 2 at this time；
After generating positive exciting current in magnet exciting coil, IGBT can be made to stop conducting, since the inductance of magnet exciting coil is larger, electric current
Mutation cannot be generated, freewheel current can carry out automatically afterflow along the dashed path in Fig. 2, and the free wheeling path is without electric power storage
Pond and first switch will not bear to generate when big inductive load disconnects suddenly anti-so even first switch disconnects suddenly
Pressure arcing or will not cause the damage of first switch.When carrying out reversed excitation, as shown in figure 3, IGBT is connected, second
Switch is connected with battery positive voltage, and the collector of first switch and IGBT are connected, and current path and freewheel current path are distinguished
As in Fig. 3 solid line and dashed path shown in.
Further, in order to enhance the magnetic force of electric permanent magnet, battery-type electricity permanent magnet of the invention is multichannel form,
I.e. multiple excitation circuit units are connected in parallel, and a battery is allow to carry out excitation to multiple coils；Since of the invention continues
The free wheeling path of current circuit unit can carry out down at once without battery, therefore after the completion of a magnet exciting coil excitation
The excitation of one magnet exciting coil can be carried out continuously triggering, save a large amount of time without waiting for intermediate time of afterflow；
And exciting current can be increased more times, considerably increase electricity by this multichannel form when using the battery of same voltage
The adsorption capacity of permanent magnet.
In addition, the forward and reverse exciting method of the invention to battery-type electricity permanent magnet equally has the above advantages, and
The exciting method step is simple, operator only need to carry out it is preliminary press instruction button, avoid manual operation process
The appearance of situations such as middle fault, security performance are higher.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is the present invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the structural representation of excitation circuit unit and freewheeling circuit unit in battery-type electricity permanent magnet of the invention
Figure；
Fig. 2 is the current path figure of battery-type electricity permanent magnet forward direction excitation of the invention；
Fig. 3 is the current path figure of the reversed excitation of battery-type electricity permanent magnet of the invention；
Fig. 4 is the structural schematic diagram of multiple groups excitation circuit unit parallel connection in battery-type electricity permanent magnet of the invention；
Fig. 5 is the structural schematic diagram of control panel in battery-type electricity permanent magnet of the invention.
Specific embodiment
To facilitate the understanding of the present invention, invention herein is done below in conjunction with Figure of description and preferred embodiment more complete
Face meticulously describes, but protection scope of the present invention is not limited to following specific embodiments.
Embodiment:
The battery-type electricity permanent magnet of the present embodiment, including battery, controller and electric permanent magnet body, electric permanent magnet machine
Body includes magnet exciting coil, reversible magnet steel, permanent-magnet steel and magnetic pole, and magnet exciting coil is set around the periphery of reversible magnet steel.It is encouraged in forward direction
When magnetic, controller makes to generate electric current in magnet exciting coil and generates reversible magnet steel with permanent-magnet steel magnetic field in the same direction to adsorb work
Part；In reversed excitation, controller makes to generate electric current in magnet exciting coil and makes reversible magnet steel generation and the reversed magnetic field of permanent-magnet steel,
The two magnetic field is offseted to discharge workpiece.
As shown in Figure 1, controller include one or more excitation circuit unit parallel with one another and with excitation electricity
Road unit corresponds concatenated freewheeling circuit unit, and excitation circuit unit includes first switch K1 and second switch K2, and first
Magnet exciting coil is connected between switch K1 and second switch K2；First switch K1 and second switch K2 is single-pole double-throw switch (SPDT),
The both ends of magnet exciting coil are connected with the moved end of first switch K1 and second switch K2 respectively, first switch K1 and second switch K2
Two non-moving ends respectively with battery anode and freewheeling circuit unit be connected, freewheeling circuit unit and battery cathode phase
Even.
In the present embodiment, freewheeling circuit unit includes the first transistor and the second crystalline substance of two one-way conductions parallel with one another
Body pipe, and the third transistor being connected between the first transistor and the input terminal and battery terminal negative of second transistor；The
The output end of one transistor and second transistor is connected on the two-end-point of magnet exciting coil.The collector of third transistor point
It is unbrilliant with a non-moving end of first switch K1, the input terminal of a non-moving end of second switch K2 and the first transistor and second
The input terminal of body pipe is connected, and the emitter of third transistor and the cathode of battery connect.Wherein, the first transistor and the second crystalline substance
Body pipe is diode, and third transistor is IGBT pipe.
The battery-type electricity permanent magnet of the present embodiment, when carrying out positive excitation, as shown in Fig. 2, IGBT is connected, first is opened
It closes K1 and battery positive voltage is connected, the collector of second switch K2 and IGBT are connected, at this time current path such as the solid line institute in Fig. 2
Show；After generating positive exciting current in magnet exciting coil, IGBT can be made to stop conducting, since the inductance of magnet exciting coil is larger,
Electric current cannot generate mutation, and freewheel current can carry out automatically afterflow along the dashed path in Fig. 2, and the free wheeling path without
Battery and first switch K1, so even first switch K1 is disconnected suddenly, when will not bear big inductive load and disconnecting suddenly
The back-pressure of generation arcing or will not cause the damage of first switch K1.When carrying out reversed excitation, as shown in figure 3, IGBT
Conducting, second switch K2 and battery positive voltage are connected, and the collector of first switch K1 and IGBT are connected, current path and afterflow
Current path respectively as in Fig. 3 solid line and dashed path shown in.
Certainly, according to aforesaid way, by the setting of freewheeling circuit unit before battery positive voltage and excitation circuit unit
It is feasible, but such embodiment should still be considered as a kind of simple transformation of present embodiment, this hair still should belong to
In bright protection scope.
First switch K1 and second switch K2 in the present embodiment are relay, first switch K1 and second switch K2
In, magnet exciting coil and freewheeling circuit unit are connected on normally-closed contact.In the present embodiment, battery-type electricity permanent magnet further includes difference
The single-chip microcontroller being connected with the control terminal of first switch K1 and second switch K2；Single-chip microcontroller is configured as executing following movement: working as storage
When battery type electricity permanent magnet carries out positive excitation, triggering first switch K1 movement, second switch K2 is failure to actuate；When battery-type electricity
When permanent magnet carries out reversed excitation, triggering second switch K2 movement, first switch K1 is failure to actuate.By single-chip microcontroller control battery
Excitation actuating, can effectively avoid artificial incorrect operation, and security performance is high.
In the present embodiment, battery-type electricity permanent magnet further includes that the third transistor for driving third transistor to be connected is driven
Dynamic chip, single-chip microcontroller are also connected with third transistor driving chip, the gate pole of third transistor driving chip and third transistor
It is connected, control third transistor driving chip triggers third crystal while single-chip microcontroller triggers first switch K1 or second switch K2
Pipe.
Further, in order to enhance the magnetic force of electric permanent magnet, the battery-type electricity permanent magnet of the present embodiment is multichannel shape
Formula allows a battery to carry out excitation to multiple coils as shown in figure 4, multiple excitation circuit units are connected in parallel；Due to
The free wheeling path of the freewheeling circuit unit of the present embodiment is without battery, therefore after the completion of magnet exciting coil excitation, horse
On can carry out the excitation of next magnet exciting coil, without waiting for intermediate time of afterflow, triggering can be carried out continuously, reaction is fast
Degree is exceedingly fast, and saves a large amount of time；And this multichannel form, can be by excitation electricity when using the battery of same voltage
Stream increases more times, considerably increases the adsorption capacity of electric permanent magnet.
In the present embodiment, controller further includes external unit and detection unit, external unit, detection unit and single-chip microcontroller it
Between be connected to by wired or wireless way, detection unit includes electric power detection module, and electric power detection module detects the electricity of battery
It measures and the display module for being sent to external unit shows the electricity of battery, so that operator observes and fills in time to battery
Electricity avoids finding that accumulator electric-quantity is insufficient when needing using electromagnet, work is caused to delay.
External unit further includes battery alert lamp, electric power detection module measure battery electricity it is low when control battery alert
Lamp issues alarm signal.Operator forbids operation of magnetizing after observing alarm signal, dangerous behaviour caused by preventing magnetic force small
Make；Demagnetization operation still can be carried out in such cases.
In the present embodiment, detection unit further includes exciting current detecting device, and exciting current detecting device measures excitation electricity
Signal is issued to single-chip microcontroller when stream reaches maximum permissible value, control third transistor driving chip stops after single-chip microcontroller receives signal
Third transistor is triggered, to prevent causing short circuit accident.Wherein, the maximum permissible value of exciting current can be set in advance as third crystalline substance
The electric current maximum permissible value of body pipe is preset according to specific operating condition.
In the present embodiment, detection unit further includes flux detection module, and external unit further includes handling indicator light, magnetic flux inspection
Survey module and the magnetic flux measured be sent to single-chip microcontroller, and by single-chip microcontroller determine whether to reach it is pre-set can handling magnetic flux
Amount, single-chip microcontroller control the light on and off of handling indicator light according to judging result, and operator can hold according to the prompt of handling indicator light
Row operation, further improves security performance.
The external unit of the battery-type electricity permanent magnet of the present embodiment further includes control panel, above-mentioned handling indicator light, electricity
Amount warning lamp and display module are arranged on the control panel for facilitating operator to watch, and control panel is as shown in figure 5, remove
Landing detection, magnetizing button, demagnetization button, locking press button and the rotation of saturating magnetic depth adjustment are additionally provided with except this, on control panel
The devices such as button, operator only need to carry out it is preliminary press instruction button, avoid and lose during complicated manual operation
The appearance of accidentally situations such as.
The present embodiment also specifically provides the positive exciting method of above-mentioned battery-type electricity permanent magnet, and step includes:
S1: relay forward direction is connected: single-chip microcontroller controls the first switch K1 movement in an excitation circuit unit, and second opens
K2 is closed to be failure to actuate；
S2: third transistor triggering: simultaneously with step S1, single-chip microcontroller controls third transistor driving chip, keeps third brilliant
The gate pole for the third transistor in freewheeling circuit unit that the triggering of body pipe driving chip is concatenated with the excitation circuit unit；
S3: single magnet exciting coil completes positive excitation: after generating exciting current in magnet exciting coil, it is brilliant that single-chip microcontroller controls third
Body pipe driving chip stops the gate pole of the third transistor in the freewheeling circuit unit that triggering is concatenated with the excitation circuit unit；
S4: complete positive excitation: single-chip microcontroller starts to repeat step S1~S3 to next magnet exciting coil forward direction excitation, until
All magnet exciting coils complete excitation.
The present embodiment also specifically provides the reversed exciting method of above-mentioned battery-type electricity permanent magnet, and step includes:
S1: relay is reversely connected: the first switch K1 that single-chip microcontroller controls in an excitation circuit unit is failure to actuate, and second
Switch K2 movement；
S2: third transistor triggering: simultaneously with step S1, single-chip microcontroller controls third transistor driving chip, keeps third brilliant
The gate pole for the third transistor in freewheeling circuit unit that the triggering of body pipe driving chip is concatenated with the excitation circuit unit；
S3: single magnet exciting coil completes reversed excitation: after generating exciting current in magnet exciting coil, it is brilliant that single-chip microcontroller controls third
Body pipe driving chip stops the gate pole of the third transistor in the freewheeling circuit unit that triggering is concatenated with the excitation circuit unit；
S4: complete reversed excitation: single-chip microcontroller starts to repeat step S1~S3 to the reversed excitation of next magnet exciting coil, until
All magnet exciting coils complete excitation.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example.For those skilled in the art, obtained modifications and variations under the premise of not departing from technical concept of the invention
Also it should be regarded as protection scope of the present invention.
Claims (15)
1. a kind of battery-type electricity permanent magnet, including battery, controller and electric permanent magnet body, the electricity permanent magnet body packet
Include magnet exciting coil, it is characterised in that: the controller include one or more excitation circuit unit parallel with one another and
Concatenated freewheeling circuit unit is corresponded with excitation circuit unit, and the excitation circuit unit includes first switch (K1) and the
Two switches (K2), are connected with magnet exciting coil between first switch (K1) and second switch (K2)；The first switch (K1) and
Two switch (K2) be single-pole double-throw switch (SPDT), the both ends of the magnet exciting coil respectively with first switch (K1) and second switch (K2)
Moved end be connected, two non-moving ends of first switch (K1) and second switch (K2) respectively with the anode of battery and afterflow
Circuit unit is connected, and the freewheeling circuit unit is connected with battery cathode.
2. battery-type electricity permanent magnet according to claim 1, it is characterised in that: the freewheeling circuit unit includes two
The first transistor and second transistor of one-way conduction parallel with one another, and it is connected to the first transistor and second transistor
Third transistor between input terminal and battery terminal negative；The output end of the first transistor and second transistor, which is connected to, encourages
On the two-end-point of magnetic coil.
3. battery-type electricity permanent magnet according to claim 2, it is characterised in that: the first transistor and the second crystal
Pipe is diode, and the third transistor is triode.
4. battery-type electricity permanent magnet according to claim 3, it is characterised in that: the collector of the third transistor point
Not with a non-moving end of the first switch (K1), a non-moving end of second switch (K2) and the input terminal of the first transistor
It is connected with the input terminal of second transistor, the emitter of the third transistor and the cathode of battery connect.
5. battery-type electricity permanent magnet according to claim 4, it is characterised in that: the third transistor is IGBT pipe.
6. battery-type electricity permanent magnet according to any one of claim 1 to 5, it is characterised in that: the first switch
(K1) and second switch (K2) is relay, in the first switch (K1) and second switch (K2), magnet exciting coil and afterflow
Circuit unit is connected on normally-closed contact.
7. battery-type electricity permanent magnet according to claim 6, it is characterised in that: the battery-type electricity permanent magnet also wraps
Include the single-chip microcontroller being connected respectively with the control terminal of the first switch (K1) and second switch (K2)；The single-chip microcontroller is configured as
Execute the following one or two acted:
When the battery-type electricity permanent magnet carries out positive excitation, triggering first switch (K1) is acted, and second switch (K2) is motionless
Make；
When the battery-type electricity permanent magnet carries out reversed excitation, triggering second switch (K2) is acted, and first switch (K1) is motionless
Make.
8. battery-type electricity permanent magnet according to claim 7, it is characterised in that: the battery-type electricity permanent magnet also wraps
Include for drive third transistor be connected third transistor driving chip, the single-chip microcontroller also with third transistor driving chip
It is connected, the third transistor driving chip is connected with the gate pole of third transistor, and the single-chip microcontroller triggers first switch (K1)
Or third transistor driving chip is controlled while second switch (K2) and triggers third transistor.
9. battery-type electricity permanent magnet according to claim 8, it is characterised in that: the controller further includes external unit
And detection unit, it is connected between external unit, detection unit and the single-chip microcontroller by wired or wireless way, the detection is single
Member includes electric power detection module, the electricity of the electric power detection module detection battery and the display module for being sent to external unit
Show the electricity of battery.
10. battery-type electricity permanent magnet according to claim 9, it is characterised in that: the external unit further includes electricity
Warning lamp, the electric power detection module measure battery electricity it is low when control battery alert lamp issue alarm signal.
11. battery-type electricity permanent magnet according to claim 9, it is characterised in that: the detection unit further includes excitation
Current detection means, the exciting current detecting device, which measures to issue when exciting current reaches maximum permissible value to single-chip microcontroller, to be believed
Number, control third transistor driving chip stops triggering third transistor after single-chip microcontroller receives signal.
12. battery-type electricity permanent magnet according to claim 11, it is characterised in that: the exciting current it is maximum allowable
Value is the electric current maximum permissible value of third transistor or presets value.
13. battery-type electricity permanent magnet according to claim 9, it is characterised in that: the detection unit further includes magnetic flux
Detection module, the external unit further include handling indicator light, and the magnetic flux measured is sent to list by the flux detection module
Piece machine, and by single-chip microcontroller determine whether to reach it is pre-set can handling magnetic flux, single-chip microcontroller according to judging result control handling
The light on and off of indicator light.
14. it is a kind of according to claim 1~any one of 13 described in battery-type electricity permanent magnet positive exciting method, step
Suddenly include:
S1: relay forward direction is connected: single-chip microcontroller controls first switch (K1) movement in an excitation circuit unit, second switch
(K2) it is failure to actuate；
S2: third transistor triggering: simultaneously with step S1, single-chip microcontroller controls third transistor driving chip, makes third transistor
The gate pole for the third transistor in freewheeling circuit unit that driving chip triggering is concatenated with the excitation circuit unit；
S3: single magnet exciting coil completes positive excitation: after generating exciting current in magnet exciting coil, single-chip microcontroller controls third transistor
Driving chip stops the gate pole of the third transistor in the freewheeling circuit unit that triggering is concatenated with the excitation circuit unit；
S4: complete positive excitation: single-chip microcontroller starts to repeat step S1~S3 to next magnet exciting coil forward direction excitation, until all
Magnet exciting coil completes excitation.
15. it is a kind of according to claim 1~any one of 13 described in battery-type electricity permanent magnet reversed exciting method, step
Suddenly include:
S1: relay is reversely connected: the first switch (K1) that single-chip microcontroller controls in an excitation circuit unit is failure to actuate, and second opens
Close (K2) movement；
S2: third transistor triggering: simultaneously with step S1, single-chip microcontroller controls third transistor driving chip, makes third transistor
The gate pole for the third transistor in freewheeling circuit unit that driving chip triggering is concatenated with the excitation circuit unit；
S3: single magnet exciting coil completes reversed excitation: after generating exciting current in magnet exciting coil, single-chip microcontroller controls third transistor
Driving chip stops the gate pole of the third transistor in the freewheeling circuit unit that triggering is concatenated with the excitation circuit unit；
S4: complete reversed excitation: single-chip microcontroller starts to repeat step S1~S3 to the reversed excitation of next magnet exciting coil, until all
Magnet exciting coil completes excitation.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811474835.5A CN109524194A (en) | 2018-12-04 | 2018-12-04 | A kind of battery-type electricity permanent magnet and its forward and reverse exciting method |
| PCT/CN2018/122368 WO2020113693A1 (en) | 2018-12-04 | 2018-12-20 | Storage battery type electric permanent magnet and forward and reverse excitation methods therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811474835.5A CN109524194A (en) | 2018-12-04 | 2018-12-04 | A kind of battery-type electricity permanent magnet and its forward and reverse exciting method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109524194A true CN109524194A (en) | 2019-03-26 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811474835.5A Pending CN109524194A (en) | 2018-12-04 | 2018-12-04 | A kind of battery-type electricity permanent magnet and its forward and reverse exciting method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109524194A (en) |
| WO (1) | WO2020113693A1 (en) |
Citations (12)
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| WO2020113693A1 (en) | 2020-06-11 |
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