CN108206637A - A kind of more combined frequency changers of active rectification - Google Patents
A kind of more combined frequency changers of active rectification Download PDFInfo
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- CN108206637A CN108206637A CN201810089761.7A CN201810089761A CN108206637A CN 108206637 A CN108206637 A CN 108206637A CN 201810089761 A CN201810089761 A CN 201810089761A CN 108206637 A CN108206637 A CN 108206637A
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- groove
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- kelly
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/40—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/44—Circuits or arrangements for compensating for electromagnetic interference in converters or inverters
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- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Percussion Or Vibration Massage (AREA)
Abstract
The invention discloses a kind of more combined frequency changers of active rectification, including mounting base, the top of the mounting base is equidistantly installed with multiple fixed seats, the first groove is offered at the top of fixed seat, transducer body is slidably fitted in first groove, it is extended at the top of transducer body outside the first groove, the side of transducer body is equipped with filtering unit, the second groove is offered in the bottom interior wall of first groove, mandril is slidably fitted in second groove, the top of mandril is extended to outside the second groove, and it is installed with top plate, the top of top plate and the bottom connection of transducer body touch.The present invention is by setting filtering unit, effectively input power can be filtered, while transducer body can be dismounted easily and fast, convenient for people's repair and maintenance transducer body, and there is preferable buffering effect to transducer body, extend the service life of transducer body.
Description
Technical field
The present invention relates to converter technology field more particularly to a kind of more combined frequency changers of active rectification.
Background technology
Frequency converter is using converter technique and microelectric technique, is handed over by changing motor working power Frequency Patterns to control
The electric control appliance of galvanic electricity motivation, frequency converter is mainly by rectification, filtering, inversion, brake unit, driving unit, detection unit
The compositions such as microprocessing unit, the voltage and frequency that cut-off to adjust out-put supply of frequency converter IGBT close to the inner portion, according to motor
It is actually needed to provide its required supply voltage, and then achieve the purpose that energy saving, speed governing, in addition, frequency converter is also very much
Defencive function, such as overcurrent, overvoltage, overload protection.With the continuous improvement of industrial automatization, frequency converter also obtains
Very extensive application.
The combined frequency changer patent of invention of Patent No. 201010544417.6 discloses a kind of combined frequency changer, packet
It includes:First frequency converter and at least one second frequency converter;First frequency converter includes, and one end connects the first rectification list of power grid
First control of member, the first inversion unit being connect with the first rectification unit other end and regulation and control first rectification unit
Unit;Second frequency converter includes, and one end connects the second rectification unit, another with second rectification unit of the power grid
It holds the second inversion unit of connection and regulates and controls the second control unit of second rectification unit and first inversion unit
First control unit, and first inversion unit and institute are connected by signal extension device with second inversion unit
The three-phase output end for stating the second inversion unit is correspondingly connected with the three-phase input end of load, the exportable consistent electricity of a combination thereof frequency converter
Signal is flowed, and the device is easily achieved, and can be applicable, but in actual use, be not easy to combine in multiple frequency converters and pacify
It is fitted together, is not easy to people and dismounts progress repair and maintenance, and without preferable filter function, have so we are badly in need of one kind
Source rectification more combined frequency changers solve the above problems.
Invention content
The purpose of the present invention is to solve shortcoming in the prior art, and the multigroup conjunction of a kind of active rectification proposed
Frequency converter.
To achieve these goals, present invention employs following technical solutions:
A kind of more combined frequency changers of active rectification, including mounting base, the top of the mounting base is equidistantly installed with multiple
Fixed seat offers the first groove at the top of fixed seat, transducer body is slidably fitted in the first groove, transducer body
Top is extended to outside the first groove, and the side of transducer body is equipped with filtering unit, is offered in the bottom interior wall of the first groove
Second groove is slidably fitted with mandril in the second groove, and the top of mandril is extended to outside the second groove, and is installed with top
Plate, the top of top plate and the bottom connection of transducer body touch, and are welded with the first spring in the bottom interior wall of the second groove, and first
It is welded and fixed between spring and mandril, the both sides of mandril are symmetrically installed with the fixed block below top plate, and fixed block is remote
Side from mandril is rotatablely equipped with connecting rod, and link tilt is set, and cunning is symmetrically installed on the both sides inner wall of the first groove
Bar, sliding sleeve is equipped with sliding block on slide bar, and the one end of connecting rod far from fixed block is rotatably installed on sliding block, and welding is arranged on slide bar
Second spring on sliding block, two one end of second spring far from two sliding blocks are respectively welded at the both sides inner wall of the first groove
On, two slide bar one end close to each other are installed with locating piece, and the both sides of transducer body are symmetrically installed with wedge
Shape block, wedge block symmetrically offer sliding slot of the top for opening on the both sides inner wall of the first groove, what two sliding slots were located remotely from each other
Through-hole is offered on the inner wall of side, kelly is slidably fitted in through-hole, the both ends of kelly are all extended to outside through-hole, two kellies
One end close to each other is in contact respectively at the top of two wedge blocks, and first be slidably mounted in through-hole is arranged on kelly
Fixture block, the first fixture block are equipped with the second fixture block being fixedly mounted in through-hole close to the side of transducer body, and the second fixture block slides
Be set on kelly, be arranged with third spring on kelly, the both ends of third spring be respectively welded at corresponding first fixture block with
On second fixture block, the filtering unit includes amplifier A, and the noninverting input of amplifier A is connected with one end and the electricity of resistance R4
Hold one end of C2, the other end of capacitance C2 is connected with one end of one end of capacitance C1, one end of resistance R2 and resistance R3, resistance R4
The other end be connected with one end of resistance R5, and be connected with the other end of capacitance C1, the other end of resistance R5 is connected with amplification
The output terminal of device A and the anode of output terminal U1, the other end of resistance R2 are connected with one end of resistance R1, and the other end of resistance R1 connects
It is connected to the anode of input terminal U0, the other end of resistance R3 is connected with the cathode of input terminal U0, the reverse input end of amplifier A and defeated
The cathode of outlet U1.
Preferably, the first limiting slot is symmetrically offered on the both sides inner wall of second groove, the both sides of mandril are symmetrically solid
Dingan County is equipped with the first limited block, and the first limited block is slidably connected with the first limiting slot.
Preferably, the bottom of the sliding block is nested with the first ball, and the first ball connects with the bottom interior wall of the first groove
It touches.
Preferably, two kellies one end close to each other is nested with the second ball, and the second ball is adapted with wedge block.
Preferably, the second limiting slot is symmetrically offered on the both sides inner wall of the through-hole, the both sides of kelly are symmetrically fixed to pacify
Equipped with the second limited block, the second limited block is slidably connected with the second limiting slot.
Preferably, two sliding blocks side close to each other offers square groove of the top for opening, and two connecting rods are far from two
One end of a fixed block is rotatably installed in respectively in two square grooves.
Preferably, the resistance value of the resistance R1, resistance R2, resistance R3, resistance R4 and resistance R5 are followed successively by 1.5K Ω, 1.5K
Ω、2.4KΩ、2.4KΩ、10KΩ。
Preferably, the capacitance of the capacitance C1 and capacitance C2 is 220uF, the model LM324 of amplifier A.
Compared with prior art, the beneficial effects of the invention are as follows:
In the present invention, pass through mounting base, fixed seat, the first groove, transducer body, filtering unit, the second groove, mandril, top
Plate, the first spring, fixed block, connecting rod, slide bar, sliding block, second spring, locating piece, wedge block, sliding slot, through-hole, kelly, first
Fixture block, the second fixture block and third spring match, and input power is filtered by filtering unit, so as to effectively protect
Transducer body is protected, kelly is pulled, kelly is made to be detached with wedge block, can easily be examined transducer body dismounting at this time
Maintenance to be repaiied, transducer body is sticked into the first groove, wedge block will be sticked into sliding slot and be contacted with the second ball on kelly,
Then transducer body is pressed, the second ball will roll on the inclined-plane side of wedge block and push kelly, and kelly will drive
One fixture block is to the Slideslip far from the second fixture block, so as to stretch third spring, when wedge block is detached with the second ball, the
Under the action of three springs, kelly will reset, and wedge block is blocked, and in the process, transducer body will push top plate, top plate
Mandril is pushed, mandril will compress the first spring, and mandril will drive fixed block simultaneously, and fixed block pushes connecting rod, and connecting rod pushes sliding block,
Sliding block will compress second spring, under the action of the first spring and second spring, wedge block can not only be made to be clamped on kelly,
And transducer body can be effectively buffered, the present invention can effectively carry out input power by setting filtering unit
Filtering process, while transducer body can be dismounted easily and fast, convenient for people's repair and maintenance transducer body, and to becoming
Frequency device ontology has preferable buffering effect, extends the service life of transducer body.
Description of the drawings
Fig. 1 is a kind of structure diagram of the more combined frequency changers of active rectification proposed by the present invention;
Fig. 2 is the section view knot that fixed seat is connect with transducer body in a kind of more combined frequency changers of active rectification proposed by the present invention
Structure schematic diagram;
Fig. 3 is the schematic cross-sectional view of part A in Fig. 2;
Fig. 4 is the schematic cross-sectional view of part B in Fig. 2;
Fig. 5 is the circuit diagram of filtering unit in a kind of more combined frequency changers of active rectification proposed by the present invention.
In figure:1 mounting base, 2 fixed seats, 3 first grooves, 4 transducer bodies, 5 filtering units, 6 second grooves, 7 mandrils,
8 top plates, 9 first springs, 10 fixed blocks, 11 connecting rods, 12 slide bars, 13 sliding blocks, 14 second springs, 15 locating pieces, 16 wedge blocks, 17
Sliding slot, 18 through-holes, 19 kellies, 20 first fixture blocks, 21 second fixture blocks, 22 third springs.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.
With reference to Fig. 1-5, a kind of more combined frequency changers of active rectification, including mounting base 1, the top of mounting base 1 is equidistantly solid
Dingan County is equipped with multiple fixed seats 2, and the top of fixed seat 2 offers the first groove 3, frequency converter is slidably fitted in the first groove 3
Ontology 4, the top of transducer body 4 are extended to outside the first groove 3, and the side of transducer body 4 is equipped with filtering unit 5, and first
The second groove 6 is offered in the bottom interior wall of groove 3, mandril 7 is slidably fitted in the second groove 6, the top of mandril 7 extends to
Outside second groove 6, and top plate 8 is installed with, the top of top plate 8 and the bottom connection of transducer body 4 touch, the second groove 6
Bottom interior wall on be welded with the first spring 9, be welded and fixed between the first spring 9 and mandril 7, the both sides of mandril 7 are symmetrically fixed
Fixed block 10 positioned at 8 lower section of top plate is installed, side of the fixed block 10 far from mandril 7 is rotatablely equipped with connecting rod 11, connecting rod 11
It being obliquely installed, slide bar 12 is symmetrically installed on the both sides inner wall of the first groove 3, sliding sleeve is equipped with sliding block 13 on slide bar 12,
The one end of connecting rod 11 far from fixed block 10 is rotatably installed on sliding block 13, and second be welded on sliding block 13 is arranged on slide bar 12
Spring 14, two one end of second spring 14 far from two sliding blocks 13 are respectively welded on the both sides inner wall of the first groove 3, two
The one end close to each other of slide bar 12 is installed with locating piece 15, and the both sides of transducer body 4 are symmetrically installed with wedge shape
Block 16, wedge block 16 symmetrically offer sliding slot 17 of the top for opening, two 17 phases of sliding slot on the both sides inner wall of first groove 3
Through-hole 18 is mutually offered on separate side inner wall, kelly 19 is slidably fitted in through-hole 18, the both ends of kelly 19 extend
To outside through-hole 18, top of two kellies 19 one end close to each other respectively with two wedge blocks 16 is in contact, and is covered on kelly 19
Equipped with the first fixture block 20 being slidably mounted in through-hole 18, the first fixture block 20 is equipped with fixed pacify close to the side of transducer body 4
The second fixture block 21 in through-hole 18, the second fixture block 21 are slidably located on kelly 19, and third spring is arranged on kelly 19
22, the both ends of third spring 22 are respectively welded on corresponding first fixture block, 20 and second fixture block 21, and filtering unit 5 includes putting
The noninverting input of big device A, amplifier A are connected with one end of resistance R4 and one end of capacitance C2, the other end connection of capacitance C2
There is one end of one end of capacitance C1, one end of resistance R2 and resistance R3, the other end of resistance R4 is connected with one end of resistance R5, and
It is connected with the other end of capacitance C1, the other end of resistance R5 is connected with the output terminal of amplifier A and the anode of output terminal U1, electricity
The other end of resistance R2 is connected with one end of resistance R1, and the other end of resistance R1 is connected with the anode of input terminal U0, and resistance R3's is another
One end is connected with the cathode of the cathode of input terminal U0, the reverse input end of amplifier A and output terminal U1, by mounting base 1, fixes
Seat the 2, first groove 3, transducer body 4, filtering unit 5, the second groove 6, mandril 7, top plate 8, the first spring 9, fixed block 10,
Connecting rod 11, slide bar 12, sliding block 13, second spring 14, locating piece 15, wedge block 16, sliding slot 17, through-hole 18, kelly 19, first block
Block 20, the second fixture block 21 and third spring 22 match, and input power are filtered by filtering unit 5, so as to have
The protection transducer body 4 of effect pulls kelly 19, kelly 19 is made to be detached with wedge block 16, at this time can be easily by frequency converter
The dismounting of ontology 4 carries out repair and maintenance, and transducer body 4 is sticked into the first groove 3, wedge block 16 will stick into sliding slot 17 and with
The second ball contact on kelly 19, then presses transducer body 4, the second ball will roll on the inclined-plane side of wedge block 16
It moves and pushes kelly 19, kelly 19 will drive the first fixture block 20 to the Slideslip far from the second fixture block 21, so as to stretch third
Spring 22, when wedge block 16 is detached with the second ball, under the action of third spring 22, kelly 19 will reset, and will be wedge-shaped
Block 16 blocks, and in the process, transducer body 4 will push top plate 8, and top plate 8 pushes mandril 7, and mandril 7 will compress the first spring
9, mandril 7 will drive fixed block 10 simultaneously, and fixed block 10 pushes connecting rod 11, and connecting rod 11 pushes sliding block 13, and sliding block 13 will compress the
Two springs 14 under the action of the first spring 9 with second spring 14, can not only be such that wedge block 16 is clamped on kelly 19, and
And transducer body 4 can be effectively buffered, the present invention can effectively carry out input power by setting filtering unit 5
Filtering process, while transducer body 4 can be dismounted easily and fast, convenient for people's repair and maintenance transducer body 4, and it is right
Transducer body 4 has preferable buffering effect, extends the service life of transducer body 4.
In the present invention, the first limiting slot is symmetrically offered on the both sides inner wall of the second groove 6, the both sides of mandril 7 are symmetrically solid
Dingan County is equipped with the first limited block, and the first limited block is slidably connected with the first limiting slot, and the bottom of sliding block 13 is nested with the first ball,
First ball is in contact with the bottom interior wall of the first groove 3, and two kellies 19 one end close to each other is nested with the second ball,
Second ball is adapted with wedge block 16, and the second limiting slot, the both sides of kelly 19 are symmetrically offered on the both sides inner wall of through-hole 18
The second limited block symmetrically is installed with, the second limited block is slidably connected with the second limiting slot, and two sliding blocks 13 are close to each other
Side offers square groove of the top for opening, and two one end of connecting rod 11 far from two fixed blocks 10 are rotatably installed in two respectively
In a square groove, resistance R1, resistance R2, resistance R3, resistance R4 and resistance R5 resistance value be followed successively by 1.5K Ω, 1.5K Ω, 2.4K Ω,
The capacitance of 2.4K Ω, 10K Ω, capacitance C1 and capacitance C2 are 220uF, the model LM324 of amplifier A, by mounting base 1,
Fixed seat 2, transducer body 4, filtering unit 5, the second groove 6, mandril 7, top plate 8, the first spring 9, is fixed first groove 3
Block 10, connecting rod 11, slide bar 12, sliding block 13, second spring 14, locating piece 15, wedge block 16, sliding slot 17, through-hole 18, kelly 19,
First fixture block 20, the second fixture block 21 and third spring 22 match, and input power is filtered by filtering unit 5,
So as to be effectively protected transducer body 4, pull kelly 19, kelly 19 made to be detached with wedge block 16, at this time can easily by
The dismounting of transducer body 4 carries out repair and maintenance, transducer body 4 is sticked into the first groove 3, wedge block 16 will stick into sliding slot 17
It is interior and contacted with the second ball on kelly 19, transducer body 4 is then pressed, the second ball will be on the inclined-plane of wedge block 16 one
It is rolled on side and pushes kelly 19, kelly 19 will drive the first fixture block 20 to the Slideslip far from the second fixture block 21, so as to draw
Third spring 22 is stretched, when wedge block 16 is detached with the second ball, under the action of third spring 22, kelly 19 will reset, and
Wedge block 16 is blocked, in the process, transducer body 4 will push top plate 8, and top plate 8 pushes mandril 7, and mandril 7 will compress the
One spring 9, mandril 7 will drive fixed block 10 simultaneously, and fixed block 10 pushes connecting rod 11, and connecting rod 11 pushes sliding block 13, and sliding block 13 will
Second spring 14 is compressed, under the action of the first spring 9 with second spring 14, wedge block 16 can not only be made to be clamped on kelly 19
On, and transducer body 4 can be effectively buffered, the present invention, can be effectively to input power by setting filtering unit 5
It is filtered, while transducer body 4 can be dismounted easily and fast, convenient for people's repair and maintenance transducer body 4, and
And there is preferable buffering effect to transducer body 4, extend the service life of transducer body 4.
In the present invention, input power is filtered using filtering unit 5, so as to be effectively protected transducer body
4, enable 4 stable operation of transducer body, be installed with fixed seat 2 using mounting base 1, be fixedly mounted using fixed seat 2
There is transducer body 4, when installing transducer body 4, transducer body 4 need to only be sticked into the first groove 3, wedge block 16 will
It sticks into sliding slot 17 and is contacted with the second ball on kelly 19, then press transducer body 4, the second ball will be in wedge block
It is rolled on 16 inclined-plane side and pushes kelly 19, kelly 19 will drive the first fixture block 20 to the sideslip far from the second fixture block 21
It is dynamic, so as to stretch third spring 22, when wedge block 16 is detached with the second ball, under the action of third spring 22, kelly 19
It will reset, and wedge block 16 is blocked, in the process, transducer body 4 will push top plate 8, and top plate 8 pushes mandril 7, mandril
7 will compress the first spring 9, and mandril 7 will drive fixed block 10 simultaneously, and fixed block 10 pushes connecting rod 11, and connecting rod 11 pushes sliding block 13,
Sliding block 13 will compress second spring 14, under the action of the first spring 9 with second spring 14, can not only make 16 clamping of wedge block
On kelly 19, and transducer body 4 can be effectively buffered, so as to improve the service life of transducer body 4, work as needs
When dismantling the progress repair and maintenance of transducer body 4, kelly 19 only need to be pulled, kelly 19 is made to be detached with wedge block 16, at this time
Transducer body 4 is easily dismantled into carry out repair and maintenance.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of more combined frequency changers of active rectification, including mounting base(1), which is characterized in that the mounting base(1)Top etc.
Spacing is installed with multiple fixed seats(2), fixed seat(2)Top offer the first groove(3), the first groove(3)Interior cunning
It is dynamic that transducer body is installed(4), transducer body(4)Top extend to the first groove(3)Outside, transducer body(4)'s
Side is equipped with filtering unit(5), the first groove(3)Bottom interior wall on offer the second groove(6), the second groove(6)Interior cunning
It is dynamic that mandril is installed(7), mandril(7)Top extend to the second groove(6)Outside, and it is installed with top plate(8), top plate(8)
Top and transducer body(4)Bottom connection touch, the second groove(6)Bottom interior wall on be welded with the first spring(9), the
One spring(9)With mandril(7)Between be welded and fixed, mandril(7)Both sides be symmetrically installed with positioned at top plate(8)Lower section is consolidated
Determine block(10), fixed block(10)Far from mandril(7)Side be rotatablely equipped with connecting rod(11), connecting rod(11)It is obliquely installed, first
Groove(3)Both sides inner wall on be symmetrically installed with slide bar(12), slide bar(12)Upper sliding sleeve is equipped with sliding block(13), connecting rod
(11)Far from fixed block(10)One end be rotatably installed in sliding block(13)On, slide bar(12)On be arranged with and be welded on sliding block(13)On
Second spring(14), two second springs(14)Far from two sliding blocks(13)One end be respectively welded at the first groove(3)'s
On the inner wall of both sides, two slide bars(12)One end close to each other is installed with locating piece(15), transducer body(4)Two
Side is symmetrically installed with wedge block(16), wedge block(16), the first groove(3)Both sides inner wall on symmetrically offer top be
The sliding slot of opening(17), two sliding slots(17)Through-hole is offered on the side inner wall being located remotely from each other(18), through-hole(18)Interior cunning
It is dynamic that kelly is installed(19), kelly(19)Both ends all extend to through-hole(18)Outside, two kellies(19)One end close to each other
Respectively with two wedge blocks(16)Top be in contact, kelly(19)On be arranged with and be slidably mounted on through-hole(18)The first interior card
Block(20), the first fixture block(20)Close to transducer body(4)Side be equipped be fixedly mounted on through-hole(18)The second interior fixture block
(21), the second fixture block(21)Be slidably located in kelly(19)On, kelly(19)On be arranged with third spring(22), third spring
(22)Both ends be respectively welded at corresponding first fixture block(20)With the second fixture block(21)On, the filtering unit(5)Including
The noninverting input of amplifier A, amplifier A are connected with one end of resistance R4 and one end of capacitance C2, and the other end of capacitance C2 connects
One end of one end of capacitance C1, one end of resistance R2 and resistance R3 is connected to, the other end of resistance R4 is connected with one end of resistance R5,
And be connected with the other end of capacitance C1, the other end of resistance R5 is connected with the output terminal of amplifier A and the anode of output terminal U1,
The other end of resistance R2 is connected with one end of resistance R1, and the other end of resistance R1 is connected with the anode of input terminal U0, resistance R3's
The other end is connected with the cathode of the cathode of input terminal U0, the reverse input end of amplifier A and output terminal U1.
A kind of 2. more combined frequency changers of active rectification according to claim 1, which is characterized in that second groove(6)
Both sides inner wall on symmetrically offer the first limiting slot, mandril(7)Both sides be symmetrically installed with the first limited block, the first limit
Position block is slidably connected with the first limiting slot.
A kind of 3. more combined frequency changers of active rectification according to claim 1, which is characterized in that the sliding block(13)Bottom
Portion is nested with the first ball, the first ball and the first groove(3)Bottom interior wall be in contact.
A kind of 4. more combined frequency changers of active rectification according to claim 1, which is characterized in that two kellies(19)Mutually
Close one end is nested with the second ball, the second ball and wedge block(16)It is adapted.
A kind of 5. more combined frequency changers of active rectification according to claim 1, which is characterized in that the through-hole(18)Two
The second limiting slot, kelly are symmetrically offered on the inner wall of side(19)Both sides be symmetrically installed with the second limited block, the second limiting
Block is slidably connected with the second limiting slot.
A kind of 6. more combined frequency changers of active rectification according to claim 1, which is characterized in that two sliding blocks(13)Mutually
Close side offers square groove of the top for opening, two connecting rods(11)Far from two fixed blocks(10)One end turn respectively
It is dynamic to be mounted in two square grooves.
7. the more combined frequency changers of a kind of active rectification according to claim 1, which is characterized in that the resistance R1, resistance
R2, resistance R3, resistance R4 and resistance R5 resistance value be followed successively by 1.5K Ω, 1.5K Ω, 2.4K Ω, 2.4K Ω, 10K Ω.
8. the more combined frequency changers of a kind of active rectification according to claim 1, which is characterized in that the capacitance C1 and capacitance
The capacitance of C2 is 220uF, the model LM324 of amplifier A.
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Application publication date: 20180626 |