CN104505214A - High-thrust low-temperature-rise noise-free alternating-current electromagnet - Google Patents
High-thrust low-temperature-rise noise-free alternating-current electromagnet Download PDFInfo
- Publication number
- CN104505214A CN104505214A CN201410790859.7A CN201410790859A CN104505214A CN 104505214 A CN104505214 A CN 104505214A CN 201410790859 A CN201410790859 A CN 201410790859A CN 104505214 A CN104505214 A CN 104505214A
- Authority
- CN
- China
- Prior art keywords
- pin
- resistance
- coil
- triode
- effect transistor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000005669 field effect Effects 0.000 claims abstract description 51
- 239000004065 semiconductor Substances 0.000 claims abstract description 51
- 230000000087 stabilizing effect Effects 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 3
- 230000009471 action Effects 0.000 abstract description 5
- 229910044991 metal oxide Inorganic materials 0.000 abstract 1
- 150000004706 metal oxides Chemical class 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 14
- 229910052742 iron Inorganic materials 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Landscapes
- Relay Circuits (AREA)
- Amplifiers (AREA)
Abstract
The invention discloses a high-thrust low-temperature-rise noise-free alternating-current electromagnet, and belongs to the technical field of elements of electric control valves. The electromagnet comprises an alternating-current power source input end and an electromagnet coil. A control module is arranged between the alternating-current power source input end and the electromagnet coil, and comprises a rectifying circuit which is connected in rear of an alternating-current power source. A positive electrode of the power source is directly connected to an input electrode of the coil after rectification. An MOS (metal oxide semiconductor) field effect transistor is connected between an output electrode of the coil and a negative electrode of the power source. An impulse voltage with high-low variations is connected to a grid electrode of the MOS field effect transistor. The alternating-current electromagnet is long in service life, reliable in action and low in power consumption.
Description
Technical field
The present invention relates to a kind of alternating electromagnet, particularly a kind of high thrust low-temperature-rise no-noise AC electromagnet, belongs to electric control valve Element Technology field.
Background technology
Alternating electromagnet is a kind of switch element driven with conventional AC power, mostly be applied in industry control occasion, common alternating electromagnet in use, what pass through in coil is alternating current, often due to spool jam or electromagnet thrust deficiency, armature is caused not reach adhesive closing point, at this moment electric current can be caused excessive, cause and burn out coil, in addition, the existence of copper loss and iron loss time closed, cause power consumption higher, temperature rise, the pulsating force exchanged forms noise after easily causing and closing, common alternating electromagnet is when just unlatching acting, because air gap is large, thrust is little, after acting, the little and thrust of air gap greatly but do not do work, same power supply is used with when maintaining owing to opening, therefore when the closed maintenance of armature, although do not do work, still need electric current to maintain thrust, power consumption is higher.The alternating electromagnet that a kind of high thrust noiselessness low-temperature-rise life-span long reliability is high is needed in present industry control occasion.
Summary of the invention
Object of the present invention is easily burnt coil, temperature rise for overcoming alternating electromagnet in prior art, is easily produced the defects such as noise, provides a kind of high thrust low-temperature-rise no-noise AC electromagnet.
For realizing object of the present invention, the technical solution adopted in the present invention is: a kind of high thrust low-temperature-rise no-noise AC electromagnet, comprise ac power input end and electromagnet coil, control module is provided with between ac power input end and coil, described control module comprises the latter linked rectification circuit of AC power, after rectification, positive source is connected directly to the input pole of coil, metal-oxide-semiconductor field effect transistor is connected with between the output stage of coil and the negative pole of power supply, the emitter-base bandgap grading of triode Q1 is connected on the positive pole of power supply, triode Q1 collector is communicated with on the grid of metal-oxide-semiconductor field effect transistor, the base stage of triode Q1 connects the output of multi-resonant oscillating circuit, described multi-resonant oscillating circuit is connected with delay circuit, when power supply connects electromagnet unlatching, the trigger voltage of metal-oxide-semiconductor field effect transistor is provided after triode Q1 conducting, metal-oxide-semiconductor field effect transistor conducting, what be added in coil two ends is voltage between both positive and negative polarity, big current is produced to produce high thrust in coil, multi-resonant oscillating circuit sends the base stage of pulse to triode Q1 of certain frequency and duty ratio after delay circuit time delay, during pulse high potential, triode Q1 is in cut-off state, metal-oxide-semiconductor field effect transistor loses trigger voltage, when pulse electronegative potential, triode Q1 conducting, metal-oxide-semiconductor field effect transistor obtains trigger voltage, metal-oxide-semiconductor field effect transistor grid under the effect of multi-resonant oscillating circuit constantly obtains and loses trigger voltage, the voltage being added in coil two ends is made to be the pulse of certain duty ratio, coil electric current when armature maintains state is reduced when comparatively electromagnet is connected, further, described triode Q1 collector is connected to the forward end of diode D11 through resistance R12, the backward end of diode is connected on the grid of metal-oxide-semiconductor field effect transistor, the grid of described metal-oxide-semiconductor field effect transistor is connected with the emitter-base bandgap grading of triode Q2, the base stage of triode Q2 is connected to the forward end of diode D11, base stage is connected to power cathode through resistance R13, the collector of triode Q2 is connected to the negative pole of power supply, power supply is connected when electromagnet is opened needs high thrust, the trigger voltage of metal-oxide-semiconductor field effect transistor is provided after triode Q1 conducting, metal-oxide-semiconductor field effect transistor conducting, what be added in coil two ends is voltage between both positive and negative polarity, big current is produced to produce high thrust in coil, multi-resonant oscillating circuit sends the base stage of pulse to triode Q1 of certain frequency and duty ratio after delay circuit time delay, during pulse high potential, triode Q1 is in cut-off state, triode Q2 conducting, when pulse electronegative potential, triode Q1 conducting, triode Q2 ends, the grid of metal-oxide-semiconductor field effect transistor constantly obtains and loses trigger voltage, the voltage being added in coil two ends is made to be the pulse of certain duty ratio, coil electric current when armature maintains state is reduced when comparatively power supply is connected, further, described multi-resonant oscillating circuit comprises IC7555 module, DC power supply after rectification is through the resistance R01 of series connection, be IC7555 module for power supply after resistance R02 dividing potential drop, 1 pin of IC7555 module is connected to the cold end of resistance R01, 8 pin are connected to the hot end of resistance R01, IC7555 is by 8, 7 pin electricity and resistance R04, 2/6 pin and 7 pin and resistance R03, 2/6 pin and 1 pin and electric capacity C02 form the pulse of certain frequency and duty ratio, wherein 8 pin are connected in the positive pole of power supply, the first end of resistance R04 is connected in the positive pole of power supply, second end is connected in 7 pin, the first end of resistance R03 is connected in 7 pin, second end is connected on electric capacity C02 first end, 6 pin and 2 pin are connected to resistance R03 second end, second end of electric capacity C02 is connected to the cold end of resistance R01, further, described multi-resonant oscillating circuit comprises IC7555 module, DC power supply after rectification is through the resistance R01 of series connection, be IC7555 module for power supply after resistance R02 dividing potential drop, 1 pin of IC7555 module is connected to the cold end of resistance R01, 8 pin are connected to the hot end of resistance R01, the delay circuit that described multi-resonant oscillating circuit connects is: the first end of resistance R05 is connected on positive source, second end connects the first end of electric capacity C03, the first end of electric capacity C03 is connected on set/reset pin 4 pin of multi-resonant oscillating circuit, second end of electric capacity C03 is connected on 1 pin of IC7555 module, resistance R06 has been arranged in parallel with electric capacity C03, during energising, power supply is charged to electric capacity C03 by resistance R05, when set voltage higher than 4 pin of the voltage at electric capacity C03 two ends, trigger the pulse that multi-resonant oscillating circuit sends certain frequency and duty ratio, when down circuitry, electric capacity C03 is discharged by the resistance R06 in parallel with it, further, the resistance R14 of mutually series connection is met at metal-oxide-semiconductor field effect transistor two ends, electric capacity C11 forms absorbing circuit, further, two-way twin zener dioder D20 is connected at interchange input two ends, prevent electrostatic and high-voltage pulse surge, further, diode D06 is provided with for ensureing the normal cut-in voltage of IC7555 module 4 pin preset between 4 pin of described IC7555 module and 1 pin, 8 pin and the indirect zener diode D05 of 1 pin, for the voltage stabilizing of IC7555 working power, further, the contrary voltage stabilizing didoe D22 in direction is set up in parallel with coil, rectifier diode D21 is used for afterflow and adjustable attenuation, the forward end of two diodes is connected to coil two ends.
Positive Advantageous Effects of the present invention is: the present invention adopts alternating current as input power, the application requirements that common alternating electromagnet uses can be met, the present invention be added in when electromagnet is opened on coil for full-wave direct current voltage, the requirement of high thrust when can ensure that electromagnet is opened, after unlatching completes, the continuous height of grid voltage of metal-oxide-semiconductor field effect transistor is controlled by the multi-resonant oscillating circuit of Time-delayed trigger, metal-oxide-semiconductor is operated on off operating mode, the pulse voltage of certain duty ratio is added at the two ends of coil, make the direct current when electromagnet maintains state in coil very little, meet the needs that electromagnet maintains state, greatly reduce iron loss in former common alternating electromagnet, lower power consumption, reach the effect of low-temperature-rise.Adopt in this coil and pass into direct current, noiselessness.The present invention realizes can to realize by increasing corresponding circuit control module, adopts alternating electromagnet life-span length of the present invention, reliable in action, low in energy consumption.
Accompanying drawing explanation
Fig. 1 is electrical schematic diagram of the present invention.
Fig. 2 is the schematic diagram of electromagnet of the present invention.
Fig. 3 is that the present invention opens, electric current and voltage schematic diagram when maintaining.
Embodiment
In order to explain enforcement of the present invention more fully, provide embodiment of the present invention.These embodiments are only the elaborations to this device, do not limit the scope of the invention.
A kind of high thrust low-temperature-rise no-noise AC electromagnet, comprise ac power input end and electromagnet coil, control module is provided with between ac power input end and coil, described control module comprises the latter linked rectification circuit of AC power, after rectification, positive source is connected directly to the input pole of coil, metal-oxide-semiconductor field effect transistor is connected with between the output stage of coil and the negative pole of power supply, the emitter-base bandgap grading of triode Q1 is connected on the positive pole of power supply, triode Q1 collector is communicated with on the grid of metal-oxide-semiconductor field effect transistor, the base stage of triode Q1 connects the output of multi-resonant oscillating circuit, described multi-resonant oscillating circuit is connected with delay circuit, when power supply connects electromagnet unlatching, the trigger voltage of metal-oxide-semiconductor field effect transistor is provided after triode Q1 conducting, metal-oxide-semiconductor field effect transistor conducting, what be added in coil two ends is voltage between both positive and negative polarity, big current is produced to produce high thrust in coil, multi-resonant oscillating circuit sends the base stage of pulse to triode Q1 of certain frequency and duty ratio after delay circuit time delay, during pulse high potential, triode Q1 is in cut-off state, metal-oxide-semiconductor field effect transistor loses trigger voltage, when pulse electronegative potential, triode Q1 conducting, metal-oxide-semiconductor field effect transistor obtains trigger voltage, metal-oxide-semiconductor field effect transistor grid under the effect of multi-resonant oscillating circuit constantly obtains and loses trigger voltage, the voltage being added in coil two ends is made to be the pulse of certain duty ratio, coil electric current when armature maintains state is reduced when comparatively electromagnet is connected, further, described triode Q1 collector is connected to the forward end of diode D11 through resistance R12, the backward end of diode is connected on the grid of metal-oxide-semiconductor field effect transistor, the grid of described metal-oxide-semiconductor field effect transistor is connected with the emitter-base bandgap grading of triode Q2, the base stage of triode Q2 is connected to the forward end of diode D11, base stage is connected to power cathode through resistance R13, the collector of triode Q2 is connected to the negative pole of power supply, power supply is connected when electromagnet is opened needs high thrust, the trigger voltage of metal-oxide-semiconductor field effect transistor is provided after triode Q1 conducting, metal-oxide-semiconductor field effect transistor conducting, what be added in coil two ends is voltage between both positive and negative polarity, big current is produced to produce high thrust in coil, multi-resonant oscillating circuit sends the base stage of pulse to triode Q1 of certain frequency and duty ratio after delay circuit time delay, during pulse high potential, triode Q1 is in cut-off state, triode Q2 conducting, when pulse electronegative potential, triode Q1 conducting, triode Q2 ends, the grid of metal-oxide-semiconductor field effect transistor constantly obtains and loses trigger voltage, the voltage being added in coil two ends is made to be the pulse of certain duty ratio, coil electric current when armature maintains state is reduced when comparatively power supply is connected, further, described multi-resonant oscillating circuit comprises IC7555 module, DC power supply after rectification is through the resistance R01 of series connection, be IC7555 module for power supply after resistance R02 dividing potential drop, 1 pin of IC7555 module is connected to the cold end of resistance R01, 8 pin are connected to the hot end of resistance R01, IC7555 is by 8, 7 pin electricity and resistance R04, 2/6 pin and 7 pin and resistance R03, 2/6 pin and 1 pin and electric capacity C02 form the pulse of certain frequency and duty ratio, wherein 8 pin are connected in the positive pole of power supply, the first end of resistance R04 is connected in the positive pole of power supply, second end is connected in 7 pin, the first end of resistance R03 is connected in 7 pin, second end is connected on electric capacity C02 first end, 6 pin and 2 pin are connected to resistance R03 second end, second end of electric capacity C02 is connected to the cold end of resistance R01, further, described multi-resonant oscillating circuit comprises IC7555 module, DC power supply after rectification is through the resistance R01 of series connection, be IC7555 module for power supply after resistance R02 dividing potential drop, 1 pin of IC7555 module is connected to the cold end of resistance R01, 8 pin are connected to the hot end of resistance R01, the delay circuit that described multi-resonant oscillating circuit connects is: the first end of resistance R05 is connected on positive source, second end connects the first end of electric capacity C03, the first end of electric capacity C03 is connected on set/reset pin 4 pin of multi-resonant oscillating circuit, second end of electric capacity C03 is connected on 1 pin of IC7555 module, resistance R06 has been arranged in parallel with electric capacity C03, during energising, power supply is charged to electric capacity C03 by resistance R05, when set voltage higher than 4 pin of the voltage at electric capacity C03 two ends, trigger the pulse that multi-resonant oscillating circuit sends certain frequency and duty ratio, when down circuitry, electric capacity C03 is discharged by the resistance R06 in parallel with it, further, the resistance R14 of mutually series connection is met at metal-oxide-semiconductor field effect transistor two ends, electric capacity C11 forms absorbing circuit, further, two-way twin zener dioder D20 is connected at interchange input two ends, prevent electrostatic and high-voltage pulse surge, further, diode D06 is provided with for ensureing the normal cut-in voltage of IC7555 module 4 pin preset between 4 pin of described IC7555 module and 1 pin, 8 pin and the indirect zener diode D05 of 1 pin, for the voltage stabilizing of IC7555 working power, further, the contrary voltage stabilizing didoe D22 in direction is set up in parallel with coil, rectifier diode D21 is used for afterflow and adjustable attenuation, the forward end of two diodes is connected to coil two ends.In the present invention, metal-oxide-semiconductor field effect transistor adopts N channel enhancement.
The present invention is described further by reference to the accompanying drawings, is respectively labeled as in accompanying drawing: 101: control module; 102: armature; 103: coil; 104: iron core; 105: push rod; Fig. 1 are shown in each component symbol in electrical schematic diagram and code name, and all elements in Fig. 1 except coil have connected to form control module of the present invention according to shown, and what have pin 1 to pin 8 in control module is IC7555 module.
Electromagnet structure such as accompanying drawing 2 shows.Electromagnet is hydraulic valve control element, electric generation current is obtained by coil, excitation field (electric energy conversion magnetic energy), moving component armature 102 moves under pole magnetization iron core 104 magneticaction, spool opposite spring resistance and the action of other additional force driving spool will be overcome at rated travel place, action is to armature closing point, and the action of hydraulic valve spool completes.Now spool still needs electromagnetic force to maintain.Therefore, when hydraulic valve is opened, electromagnet travel point needs to possess certain electromagnetic force to do work.During maintenance, need certain maintenance magnetic force.What common alternating electromagnet passed through in coil is alternating current, although the requirement described in thrust can be reached, but electromagnet closing point power is large, the not easily Rapid reset formed, power consumption large (iron loss and copper loss) cann't be solved, this is the existence due to field structure and air gap, necessarily the little and closing point power of the power of travel point is large, and the power consumption therefore produced in the closing point of not doing work is faulty.By the method for control circuit, make solenoid obtain big current when obtaining electric startup and produce high thrust acting, maintain with small area analysis after closed, simultaneously, this electromagnet power supply is alternating current, and is direct current in solenoid, the basic iron loss eliminated alternating electromagnet and bring.Therefore promote by the method and start thrust, reduction power consumption and temperature rise are desirable.
Control module of the present invention as shown in Figure 1, is also being described in detail its syndeton, below to being further detailed circuit more above:
(1) rectification circuit
Alternating current 220V is adopted bridge-type D01-D04 rectification, after rectification, be added in solenoid two ends by metal-oxide-semiconductor field effect transistor.Meanwhile, power supply is provided through resistance R01, resistance R02 dividing potential drop, electric capacity C01 filtering to multi-resonant oscillating circuit;
(2) multi-resonant oscillating circuit
Multi-resonant oscillating circuit is formed with IC7555 and resistance R3, resistance R4, electric capacity C02, the pulse of certain frequency and duty ratio is produced by 3 pin, IC7555 module chip is have chosen in the present invention, what can realize the present invention program is not limited to IC7555 module chip, the chip of choosing multiple 555 type realizes this programme, need only select to mate to other corresponding element model;
(3) delay circuit
Circuit obtain electric after, power supply charges to electric capacity C03 through resistance R5, and the voltage U c at electric capacity two ends rises, and the time is determined by resistance R5, resistance R6, electric capacity C03, and when Uc rises to a little more than IC7555 chip 4 pin set voltage, oscillating impulse starts.Time delay terminates, and after circuit power down, Uc discharges to resistance R6, with treat next time electric.Voltage-stabiliser tube D6, resistance R5, resistance R6, electric capacity C03 provide 4 pin voltages when normally working;
(4) gate trigger voltage provides circuit
By Q1, Q2 and peripheral original paper composition, fet gate trigger voltage is provided, in Fig. 1, arranging resistance R11 between the base stage of positive source and triode Q1 is to ensure that the base potential of triode Q1 in circuit working is in suitable working range, in the present invention, in the perfect situation of each device, Q2, D11, R13, D12 can not want, the object arranging Q2 and above device ensures when Q1 ends, if current potential does not lower for a certain reason on the grid of metal-oxide-semiconductor field effect transistor, at this moment Q2 conducting can ensure the electronegative potential on grid, to ensure circuit stability work,
(5) metal-oxide-semiconductor field effect transistor main circuit
Solenoid is when obtaining electric-opening, and metal-oxide-semiconductor field effect transistor overwhelming majority time service opening state, after delay circuit time delay terminates, under the control of the pulse that metal-oxide-semiconductor field effect transistor grid receives, is operated on off operating mode;
(6) protective circuit
Transient Suppression Diode is connect, antistatic and high-voltage pulse surge by rectification circuit front end, when there being the instantaneous pressure of more than 400V, protection electromagnet inner member; Voltage-stabiliser tube provides deboost.R14, C11 form metal-oxide-semiconductor field effect transistor absorbing circuit;
(7) freewheeling circuit
Be made up of diode D21, diode D22, voltage stabilizing didoe D22 and electromagnet adapt to, to obtain the decay current of certain attenuation degree.Eliminate back electromotive force to circuit impact and the impact of power-off armature resetting time.
When obtaining electric-opening, 220V alternating current is added to solenoid two ends under the Rectified alternating current that rectifier bridge produces is pressed in metal-oxide-semiconductor field effect transistor conducting.Formation big current starts, simultaneously, by divider resistance R1, resistance R2 and electric capacity C01, diode D5 is that multi-resonant oscillating circuit is powered, make the stable normal work of IC7555, consider the fluctuation of electrical network 220V, get R1=560K ohm, R2=42K ohm, C01=100N, voltage U 1 between 1 pin of the IC7555 made and 8 pin, 8=4-16V, at this moment positive source by resistance R5 to electric capacity C03 charge time delay, time is by circuitous resistance R5, resistance R6, electric capacity C03 determines, when the voltage U c at electric capacity C03 two ends rises to a little more than IC7555 chip 4 pin set voltage, oscillating impulse starts.In time delay process, because 4 pin are electronegative potential, Q1 conducting, Q2 ends, the conducting of metal-oxide-semiconductor field effect transistor grid high potential, and solenoid obtains big current.Electromagnet is generally 25-35ms operate time, and therefore this delay circuit Preset Time is 50-90ms, power taking resistance R5=2-3.3M ohm, C03=100 nF, for make next time electricly normally to carry out, during electromagnet power down, electric capacity C03 answers repid discharge, power taking resistance R6=R5, the U=3V of voltage stabilizing didoe D06.IC7555 and resistance R3, resistance R4, electric capacity C02 forms multi-resonant oscillating circuit, after time delay terminates, the pulse of certain frequency and duty ratio is produced to control the potential pulse at the two ends of solenoid by 3 pin, according to frequency and the duty ratio of the D.C. resistance of solenoid and the maintenance electric current determination pulse of inductance and solenoid, thus determine resistance R3, resistance R4, electric capacity C02 size, for J12-27YC-DL AC220V electromagnet of the present invention, coil resistance 133 Europe, empirical tests gets R3=1M ohm, R4=200K ohm, C02=1N, solenoid can obtain pulse frequency f=1.43 ÷ [(R3+R4) * C] and be about 1KHZ, the pulse voltage of duty ratio i=R3 ÷ (R3+R4)=14.3%.The direct voltage 23V at solenoid two ends, maintains electric current 0.17A, at interchange input AC220V side test, and power P=5.8W, electric current I=0.05A.To common J12-27YC AC220V electromagnet test, what pass through in this ordinary electromagnetic iron coil is alternating current, electric current I=0.25A, power P=31.6W.As can be seen from the above, can not only obtain big current with the present invention and start, small area analysis maintains, and when electromagnet maintains, replaces exchanging the iron loss that can greatly reduce in power consumption in coil with direct current.By above power contrast, power consumption and temperature rise effect of optimization fairly obvious.
After detailed description embodiments of the present invention, the personage being familiar with this technology can be well understood to, do not departing under above-mentioned claim and spirit and can carry out various change and amendment, all above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all belong to the scope of technical solution of the present invention, and the present invention is not also limited to the execution mode of example in specification.
Claims (8)
1. a high thrust low-temperature-rise no-noise AC electromagnet, comprise ac power input end and electromagnet coil, control module is provided with between ac power input end and coil, it is characterized in that: described control module comprises the latter linked rectification circuit of AC power, after rectification, positive source is connected directly to the input pole of coil, metal-oxide-semiconductor field effect transistor is connected with between the output stage of coil and the negative pole of power supply, the emitter of triode Q1 is connected on the positive pole of power supply, triode Q1 collector electrode is communicated with on the grid of metal-oxide-semiconductor field effect transistor, the base stage of triode Q1 connects the output of multi-resonant oscillating circuit, described multi-resonant oscillating circuit is connected with delay circuit, when power supply connects electromagnet unlatching, the trigger voltage of metal-oxide-semiconductor field effect transistor is provided after triode Q1 conducting, metal-oxide-semiconductor field effect transistor conducting, what be added in coil two ends is voltage between both positive and negative polarity, big current is produced to produce high thrust in coil, multi-resonant oscillating circuit sends the base stage of pulse to triode Q1 of certain frequency and duty ratio after delay circuit time delay, during pulse high potential, triode Q1 is in cut-off state, metal-oxide-semiconductor field effect transistor loses trigger voltage, when pulse electronegative potential, triode Q1 conducting, metal-oxide-semiconductor field effect transistor obtains trigger voltage, metal-oxide-semiconductor field effect transistor grid under the effect of multi-resonant oscillating circuit constantly obtains and loses trigger voltage, the voltage being added in coil two ends is made to be the pulse of certain duty ratio, coil electric current when armature maintains state is reduced when comparatively electromagnet is connected.
2. a kind of high thrust low-temperature-rise no-noise AC electromagnet according to claim 1, it is characterized in that: described triode Q1 collector electrode is connected to the forward end of diode D11 through resistance R12, the backward end of diode is connected on the grid of metal-oxide-semiconductor field effect transistor, the grid of described metal-oxide-semiconductor field effect transistor is connected with the emitter of triode Q2, the base stage of triode Q2 is connected to the forward end of diode D11, base stage is connected to power cathode through resistance R13, the collector electrode of triode Q2 is connected to the negative pole of power supply, power supply is connected when electromagnet is opened needs high thrust, the trigger voltage of metal-oxide-semiconductor field effect transistor is provided after triode Q1 conducting, metal-oxide-semiconductor field effect transistor conducting, what be added in coil two ends is voltage between both positive and negative polarity, big current is produced to produce high thrust in coil, multi-resonant oscillating circuit sends the base stage of pulse to triode Q1 of certain frequency and duty ratio after delay circuit time delay, during pulse high potential, triode Q1 is in cut-off state, triode Q2 conducting, when pulse electronegative potential, triode Q1 conducting, triode Q2 ends, the grid of metal-oxide-semiconductor field effect transistor constantly obtains and loses trigger voltage, the voltage being added in coil two ends is made to be the pulse of certain duty ratio, coil electric current when armature maintains state is reduced when comparatively power supply is connected.
3. a kind of high thrust low-temperature-rise no-noise AC electromagnet according to claim 1, it is characterized in that: described multi-resonant oscillating circuit comprises IC7555 module, DC power supply after rectification is through the resistance R01 of series connection, be IC7555 module for power supply after resistance R02 dividing potential drop, 1 pin of IC7555 module is connected to the cold end of resistance R01, 8 pin are connected to the hot end of resistance R01, IC7555 is by 8, 7 pin electricity and resistance R04, 2/6 pin and 7 pin and resistance R03, 2/6 pin and 1 pin and electric capacity C02 form the pulse of certain frequency and duty ratio, wherein 8 pin are connected in the positive pole of power supply, the first end of resistance R04 is connected in the positive pole of power supply, second end is connected in 7 pin, the first end of resistance R03 is connected in 7 pin, second end is connected on electric capacity C02 first end, 6 pin and 2 pin are connected to resistance R03 second end, second end of electric capacity C02 is connected to the cold end of resistance R01.
4. a kind of high thrust low-temperature-rise no-noise AC electromagnet according to claim 1, it is characterized in that: described multi-resonant oscillating circuit comprises IC7555 module, DC power supply after rectification is through the resistance R01 of series connection, be IC7555 module for power supply after resistance R02 dividing potential drop, 1 pin of IC7555 module is connected to the cold end of resistance R01, 8 pin are connected to the hot end of resistance R01, the delay circuit that described multi-resonant oscillating circuit connects is: the first end of resistance R05 is connected on positive source, second end connects the first end of electric capacity C03, the first end of electric capacity C03 is connected on set/reset pin 4 pin of multi-resonant oscillating circuit, second end of electric capacity C03 is connected on 1 pin of IC7555 module, resistance R06 has been arranged in parallel with electric capacity C03, during energising, power supply is charged to electric capacity C03 by resistance R05, when set voltage higher than 4 pin of the voltage at electric capacity C03 two ends, trigger the pulse that multi-resonant oscillating circuit sends certain frequency and duty ratio, when down circuitry, electric capacity C03 is discharged by the resistance R06 in parallel with it.
5. a kind of high thrust low-temperature-rise no-noise AC electromagnet according to claim 1, is characterized in that: at metal-oxide-semiconductor field effect transistor two ends and the resistance R14, the electric capacity C11 that connect mutually series connection form absorbing circuit.
6. a kind of high thrust low-temperature-rise no-noise AC electromagnet according to claim 1, is characterized in that: be connected to two-way twin zener dioder D20 at interchange input two ends, prevent electrostatic and high-voltage pulse surge.
7. a kind of high thrust low-temperature-rise no-noise AC electromagnet according to claim 4, it is characterized in that: be provided with diode D06 between 4 pin of described IC7555 module and 1 pin for ensureing the normal cut-in voltage of IC7555 module 4 pin preset, 8 pin and the indirect zener diode D05 of 1 pin, for the voltage stabilizing of IC7555 working power.
8. a kind of high thrust low-temperature-rise no-noise AC electromagnet according to claim 1, it is characterized in that: be set up in parallel the contrary voltage stabilizing didoe D22 in direction, rectifier diode D21 for afterflow and adjustable attenuation with coil, the forward end of two diodes is connected to coil two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410790859.7A CN104505214B (en) | 2014-12-19 | 2014-12-19 | A kind of high thrust low-temperature-rise no-noise AC electric magnet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410790859.7A CN104505214B (en) | 2014-12-19 | 2014-12-19 | A kind of high thrust low-temperature-rise no-noise AC electric magnet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104505214A true CN104505214A (en) | 2015-04-08 |
| CN104505214B CN104505214B (en) | 2016-08-24 |
Family
ID=52946954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410790859.7A Active CN104505214B (en) | 2014-12-19 | 2014-12-19 | A kind of high thrust low-temperature-rise no-noise AC electric magnet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104505214B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109027383A (en) * | 2017-06-09 | 2018-12-18 | 安德烈·斯蒂尔股份两合公司 | Method for manipulating solenoid valve |
| CN111627643A (en) * | 2020-05-13 | 2020-09-04 | 四川科华天府科技有限公司 | Fixing system is inhaled to magnetism |
| CN112382458A (en) * | 2020-10-29 | 2021-02-19 | 江麓机电集团有限公司 | Electronic control type sensing electromagnet capable of adjusting delay switching and keeping |
| CN114360847A (en) * | 2022-01-11 | 2022-04-15 | 安阳凯地磁力科技股份有限公司 | Electromagnet with accurately controlled low temperature rise and high thrust |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3423505A1 (en) * | 1984-05-23 | 1985-11-28 | Sodeco-Saia AG, Genf/Genève | Method and circuit arrangement for controlling an electromagnet |
| CN2103190U (en) * | 1991-11-06 | 1992-04-29 | 中山市威力洗衣机厂 | Electromagnet current-limiting protector |
| EP0424280B1 (en) * | 1989-10-17 | 1994-08-03 | Merlin Gerin | Electronic control circuit for a direct current energised pulse motor |
| CN201315213Y (en) * | 2008-11-23 | 2009-09-23 | 中国电子科技集团公司第四十研究所 | Magnet exciting coil control device used in DC electromagnet |
| JP5099059B2 (en) * | 2009-03-25 | 2012-12-12 | 株式会社デンソー | Inductive load drive |
| CN103647250A (en) * | 2013-12-05 | 2014-03-19 | 江苏国星电器有限公司 | Electromagnetic under-voltage release and controlling method thereof |
| CN204270773U (en) * | 2014-12-19 | 2015-04-15 | 安阳凯地电磁技术有限公司 | A kind of high thrust low-temperature-rise no-noise AC electromagnet |
-
2014
- 2014-12-19 CN CN201410790859.7A patent/CN104505214B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3423505A1 (en) * | 1984-05-23 | 1985-11-28 | Sodeco-Saia AG, Genf/Genève | Method and circuit arrangement for controlling an electromagnet |
| EP0424280B1 (en) * | 1989-10-17 | 1994-08-03 | Merlin Gerin | Electronic control circuit for a direct current energised pulse motor |
| CN2103190U (en) * | 1991-11-06 | 1992-04-29 | 中山市威力洗衣机厂 | Electromagnet current-limiting protector |
| CN201315213Y (en) * | 2008-11-23 | 2009-09-23 | 中国电子科技集团公司第四十研究所 | Magnet exciting coil control device used in DC electromagnet |
| JP5099059B2 (en) * | 2009-03-25 | 2012-12-12 | 株式会社デンソー | Inductive load drive |
| CN103647250A (en) * | 2013-12-05 | 2014-03-19 | 江苏国星电器有限公司 | Electromagnetic under-voltage release and controlling method thereof |
| CN204270773U (en) * | 2014-12-19 | 2015-04-15 | 安阳凯地电磁技术有限公司 | A kind of high thrust low-temperature-rise no-noise AC electromagnet |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109027383A (en) * | 2017-06-09 | 2018-12-18 | 安德烈·斯蒂尔股份两合公司 | Method for manipulating solenoid valve |
| CN109027383B (en) * | 2017-06-09 | 2022-10-28 | 安德烈·斯蒂尔股份两合公司 | Method for controlling a solenoid valve |
| CN111627643A (en) * | 2020-05-13 | 2020-09-04 | 四川科华天府科技有限公司 | Fixing system is inhaled to magnetism |
| CN112382458A (en) * | 2020-10-29 | 2021-02-19 | 江麓机电集团有限公司 | Electronic control type sensing electromagnet capable of adjusting delay switching and keeping |
| CN114360847A (en) * | 2022-01-11 | 2022-04-15 | 安阳凯地磁力科技股份有限公司 | Electromagnet with accurately controlled low temperature rise and high thrust |
| CN114360847B (en) * | 2022-01-11 | 2023-08-04 | 安阳凯地磁力科技股份有限公司 | Electromagnet capable of accurately controlling low temperature rise and high thrust |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104505214B (en) | 2016-08-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101964586B (en) | Inrush current control | |
| CN102076144A (en) | Solution to working power supply and power of two-wire-system electronic switch | |
| CN105470046B (en) | The coil driver of contactor and the control method of coil drive current | |
| CN109787482A (en) | Control chip and control method, constant pressure and flow device and isolation flyback PWM system | |
| CN104595557B (en) | Resistance-capacitance voltage reduction type power-saving and noise-reducing alternating current electromagnetic valve | |
| CN104505214A (en) | High-thrust low-temperature-rise noise-free alternating-current electromagnet | |
| CN201887660U (en) | LPC switch power supply circuit and air conditioner with same | |
| CN104578844A (en) | Switching mode power supply circuit | |
| WO2023056777A1 (en) | Energy-saving control method for contactor | |
| CN206923111U (en) | A kind of single live wire total power touch switch circuit | |
| CN101646280A (en) | LED high-voltage energy-saving power supply | |
| CN104613219B (en) | The alternating current electromagnetic valve of dual threshold type economize on electricity noise elimination | |
| CN104485196A (en) | Low-temperature-rise great-thrust direct current electromagnet | |
| CN204156616U (en) | For the self-induction power-supply circuit of intelligent grid sensing device | |
| CN204270773U (en) | A kind of high thrust low-temperature-rise no-noise AC electromagnet | |
| CN202906730U (en) | Self-switching-on-off starting control circuit used for LED flyback driving power supply | |
| CN105576840A (en) | Self-induction electricity taking circuit for smart power grid sensing device | |
| CN104613218B (en) | The alternating current electromagnetic valve of single threshold type economize on electricity noise elimination | |
| CN200969573Y (en) | AC touch-type switch circuit | |
| CN214623348U (en) | Control circuit and electronic equipment | |
| CN201091060Y (en) | Single-stage power factor calibrating circuit | |
| CN205335171U (en) | Coil drive circuit of contactor | |
| CN202095140U (en) | Solution for working power source of two-wire system electronic switch | |
| CN204270774U (en) | A kind of low-temperature-rise high thrust DC electromagnet | |
| CN113871250A (en) | Efficient and energy-saving contactor control circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Meng Fanpeng Inventor after: Meng Yuan Inventor after: Li Shiyu Inventor before: Meng Fanpeng |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20211116 Address after: 455000 No. 2, north of west section of Changjiang Avenue, high tech Zone, Anyang City, Henan Province Patentee after: Anyang Kaidi Magnetic Technology Co.,Ltd. Address before: 455000 No. 303 Changjiang Avenue, high tech Zone, Anyang City, Henan Province Patentee before: ANYANG KAIDI ELECTROMAGNETIC TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A noiseless AC electromagnet with high thrust and low temperature rise Effective date of registration: 20221223 Granted publication date: 20160824 Pledgee: Bank of China Limited Anyang Branch Pledgor: Anyang Kaidi Magnetic Technology Co.,Ltd. Registration number: Y2022980028362 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20160824 Pledgee: Bank of China Limited Anyang Branch Pledgor: Anyang Kaidi Magnetic Technology Co.,Ltd. Registration number: Y2022980028362 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |