CN208786656U - Start the frequency-converting control device of double broken hosts using single frequency converter - Google Patents
Start the frequency-converting control device of double broken hosts using single frequency converter Download PDFInfo
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- CN208786656U CN208786656U CN201821233401.1U CN201821233401U CN208786656U CN 208786656 U CN208786656 U CN 208786656U CN 201821233401 U CN201821233401 U CN 201821233401U CN 208786656 U CN208786656 U CN 208786656U
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Abstract
The utility model discloses a kind of frequency-converting control devices for starting double broken hosts using single frequency converter, sand making machine including configuration main motor, the trimmer of auxiliary-motor and configuration single motor, the main motor control circuit of trimmer are equipped with time relay T1, interlocking relay switch KM1, KM2 and time relay T2;Relay switch KM3, the time relay T3 controlled by time relay T2 is set on auxiliary-motor operating circuit;The relay switch KM5 controlled by time relay T3 is arranged in the single motor of sand making machine, auxiliary-motor, sand making machine motor operating circuit sequence starting are controlled by time relay T1 and interlocking relay switch KM1, KM2 control frequency start-up circuit and the power on/off switching of pressure stabilizing operating circuit, the time relay T2, T3, a Frequency Converter Control multiple electric motors starting can be achieved, it is at low cost, variable frequency starting voltage is steadily without impact, safety coefficient is high, and variable ratio frequency changer adjusts the speed, high production efficiency.
Description
Technical field
The utility model relates to a kind of frequency-converting control devices for starting double broken hosts using single frequency converter, belong to broken control
Technical field.
Background technique
At present in conventional crushing production line, sand reduction stage processed mostly uses single main finished sand, and specifically, material passes through vertical shaft
Broken crusher machine enters screening system, and qualified products enter finished bin by finished belt machine, and oversize material passes through return conveyer machine
It is transmitted back to vertical-spindle hammer crusher Mechanical Crushing.The advantages of this conventional crushing production line is to save equipment investment, but have a single function, only
Energy single-stage crushing, can not carry out gradation adjustment;When if necessary to gradation adjustment, motor or adjustment skin can only be broken by replacement vertical shaft
Band wheel speed changes crusher reduction ratio and realizes, troublesome in poeration.If broken in addition, single host technique only produces finished sand completely
It is broken than small, low output.If necessary to improve yield, it is necessary to reduce feed size and just be able to achieve, reducing feed size must just increase
Add single stage crushing, equally also will increase equipment investment.
In addition, in crushing production line, sand vertical shaft processed is broken when starting and stopping, and conventional mode is reduced-voltage starting or soft
Starting mode all can generate greater impact, danger coefficient to power grid when starting motor since the power of motor that vertical shaft is broken is larger
Height, and a possibility that can not starting is had when voltage is lower than 380V, influence the stable operation of crushing production line.It is more existing to adopt
With frequency converter is increased, host is started and stopped by frequency conversion control technique, it is possible to prevente effectively to electricity when electric motor starting
The impact of net, but every motor is needed all to configure corresponding frequency converter, equipment cost is high, and maintenance cost is also high.
Summary of the invention
The technical problem to be solved by the present invention is to provide a kind of this changes for starting double broken hosts using single frequency converter
Audio-frequency control device, can be with overcome the deficiencies in the prior art.
In order to solve the above technical problems, the utility model is achieved through the following technical solutions: a kind of to use monotropic frequency
Device starts the frequency-converting control device of double broken hosts, including trimmer and sand making machine, and the trimmer is configuration main motor and pair
The vertical shaft of motor is broken, and the sand making machine is that the high-speed high frequency vertical shaft of configuration single motor is broken, and the main motor of the trimmer controls electricity
Road includes variable frequency starting circuit and pressure stabilizing operating circuit, and the variable frequency starting circuit is equipped with time relay T1, relay switch
KM1 and start button SB1, frequency converter and the relay switch KM4 for controlling its power on/off for controlling its folding;The pressure stabilizing work electricity
Road is equipped with the interlocking relay switch KM2 of relay switch KM1 cooperation and the time relay T2, the time relay T1 and mutually
Relay switch KM1, KM2 of lock are for the switching of the power on/off of frequency start-up circuit and pressure stabilizing operating circuit, the time relay T2
With on the auxiliary-motor operating circuit that trimmer is set, the relay switch KM3 that controls its power on/off connect;The relay switch
KM3 is connect with relay switch KM4, and time relay T3 is equipped on auxiliary-motor operating circuit, with setting in sand making machine
Motor operating circuit on, the relay switch KM5 connection of controller power on/off.
Be equipped in aforementioned frequency converter slow down power grid impact electric time delays relay TA/TC, and it is delayed
The electric time is 3s or more.
Aforesaid time relay T1 is that on-delay disconnects relay, and its turn-off time that is delayed is 15s or more.
Aforesaid time relay T2 and time relay T3 is on-delay closing relay, and its timing closing time
For 5s or more.
It is all provided on the motor operating circuit of the main motor control circuit of aforementioned trimmer, auxiliary-motor operating circuit and sand making machine
Have and is spaced apart QF1, QF2, QF3 for protect control circuit.
Compared with the prior art, the utility model discloses a kind of frequency control for starting double broken hosts using single frequency converter
Device, is used to carry out the production line of broken production using double hosts, and double hosts include trimmer and sand making machine, described whole
Main motor and auxiliary-motor are configured on shape machine, the sand making machine is the single motor of configuration high-speed high frequency, in the control electricity of three motors
Road is equipped with a frequency converter, and may be implemented to start three motors, specifically, the main motor of trimmer by a frequency converter
Control circuit includes variable frequency starting circuit and pressure stabilizing operating circuit, and frequency converter is arranged on variable frequency starting circuit, becomes it
Frequency start, while variable frequency starting circuit be equipped with time relay T1 and relay switch KM1, pressure stabilizing operating circuit be equipped with after
Electric switch KM1 cooperates interlocking relay switch KM2 and time relay T2, passes through time relay T1 and interlocking relay switch
KM1, KM2 may be implemented the power on/off switching of variable frequency starting circuit and pressure stabilizing operating circuit, variable frequency starting power on circuitry, the time after
After electric appliance T1 energization 15s, the varying frequency starting of main motor reaches maximum speed, and time relay T1 is disconnected, while being switched to main electricity
Machine pressure stabilizing operating circuit is powered on, and by weak electric signal, parameter and variable output, is changed frequency size, is made mechanical equipment
Under static state, it is steadily operated along slope angular speed and reaches power frequency, to meet the operation of equipment electromechanical integration;When described
Between relay T2 connect with the relay switch KM3 on the auxiliary-motor operating circuit that trimmer is arranged in, time relay T2 obtains electric
It is attracted after delay 5s, relay switch KM3 obtains electric closure, and auxiliary-motor is cut directly into power supply rotation;It is set on auxiliary-motor operating circuit
Having time relay T3, the relay switch KM3 are connect with relay switch KM4, time relay T3 and sand making machine are arranged in
Relay switch KM5 connection on motor operating circuit, time relay T5 are attracted after obtaining electric delay 5s, and relay switch KM5 obtains electric
Closure, sand making machine variable frequency starting carry out frequency speed regulation, and then the sand production rate of adjustable system when reaching maximum speed.
The utility model has the following beneficial effects:
(1) it is met more motor sequences and is opened by a Frequency Converter Control multiple electric motors starting by start & shutdown through one key
It is dynamic, it is simple and convenient, it is at low cost.
(2) host is started and stopped by frequency conversion control technique, variable frequency starting voltage, also can be steadily without impact
Multiple electric motors starting is realized when undertension, strong applicability, stability is good, and safety coefficient is high.
(3) high-speed high frequency vertical shaft can adjust by frequency converter and breaks revolving speed, the reduction ratio of crushing system can be adjusted flexibly, no
It needing replacing motor pulley or carries out other machinery adjustments, applicability is wide, and structure is simple, and adjustment is easy, and it is time saving and energy saving, significantly
Reduce the labor intensity of staff.
(4) by the adjustable finished product output capacity of frequency converter, automated production may be implemented, substantially increase production effect
Rate, flexibility is high, practical.
Detailed description of the invention
Fig. 1 is the operation principle schematic diagram of the utility model.
Fig. 2 is the wiring schematic diagram of the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe:
As depicted in figs. 1 and 2, a kind of frequency-converting control device starting double broken hosts using single frequency converter, including shaping
Machine and sand making machine, the trimmer be configure main motor 1 and auxiliary-motor 2 vertical shaft it is broken, the sand making machine be to configure single motor 3
High-speed high frequency vertical shaft is broken, and the circuit processed of main motor 1 of the trimmer includes variable frequency starting circuit 101 and pressure stabilizing operating circuit 102,
The two is described by the way that time relay T1 and interlock switch KM1, KM2 progress power on/off switching on the control circuitry is arranged
Interlock switch KM1, KM2 include start button SB1, the KM1 coil being arranged on variable frequency starting circuit 101 and KM1 normally opened contact,
KM2 normally-closed contact is formed with the KM2 coil and KM1 normally-closed contact being arranged on pressure stabilizing operating circuit 102 and is interlocked, when described
Between relay T1 be arranged on variable frequency starting circuit 101, for on-delay disconnect relay, and its be delayed turn-off time be
15s or more is additionally provided with frequency converter 4 on variable frequency starting circuit 101 and controls the relay switch KM4 of its power on/off, the frequency conversion
Be equipped in device 4 slow down power grid impact electric time delays relay TA/TC, and its be delayed the electric time is 3s or more, institute
It states and is additionally provided with time relay T2 on pressure stabilizing operating circuit 102,201 power on/off of auxiliary-motor operating circuit with control trimmer
Relay switch KM3 connection;The relay switch KM3 is connect with relay switch KM4, and on auxiliary-motor operating circuit 201
Equipped with time relay T3, relay switch KM3 and time relay T3 its motor operating circuit 301 for being used to control sand making machine
The folding of relay switch KM4 and relay switch KM5, make 3 variable frequency starting of motor of sand making machine, and carry out frequency control.When described
Between relay T2 and time relay T3 be on-delay closing relay, and its timing closing time be 5s or more, guarantee
Auxiliary-motor operating circuit 201, sand making machine motor operating circuit 301 can in order and separated in time successively start.
The motor operating circuit of 1 control circuit of main motor of the trimmer, auxiliary-motor operating circuit 201 and sand making machine
It is equipped on 301 and is spaced apart QF1, QF2, QF3 for protect control circuit.
The method for controlling frequency conversion for starting double broken hosts below in conjunction with specific single frequency converter, implements the utility model
Technical solution in example further illustrates:
It is spaced apart QF1, QF2, QF3 firstly, closing, and presses start button SB1, the interlocking on variable frequency starting circuit 101 is opened
It closes KM1 coil and obtains electric, KM1 normally opened contact closure, while the KM1 normally-closed contact on pressure stabilizing operating circuit 102 disconnects, with KM1
Normally opened contact connection relay switch KM4 obtains electric closure, is attracted after the time delays relay TA/TC delay 3s inside frequency converter 4,
Frequency converter 4 obtains electric, the energization of variable frequency starting circuit 101 of trimmer main motor 1,1 variable frequency starting of main motor;
When variable frequency starting circuit 101 is powered, after time relay T1 energization 15s, the varying frequency starting of main motor 1 reaches highest
Revolving speed, time relay T1 are disconnected, interlock switch KM1 coil blackout, and the KM1 normally opened contact on variable frequency starting circuit 101 disconnects,
The KM1 normally-closed contact closure on pressure stabilizing operating circuit 102, variable frequency starting circuit 101 are powered off, are connect with KM1 normally-closed contact simultaneously
Relay switch KM2 obtain electric closure, be switched to main motor pressure stabilizing operating circuit energization, carry out even running, work;
After the pressure stabilizing operating circuit 102 of main motor is powered, closed after the time relay T2 on-delay 5s on circuit
It closes, relay switch KM3 obtains electric closure on the auxiliary-motor operating circuit 201 of trimmer, and auxiliary-motor 2 starts;
After the auxiliary-motor operating circuit 201 of trimmer is powered, above-mentioned relay switch KM3 obtains electric closure, so that connecting therewith
The relay switch KM4 connect obtains electric closure, and is closed after time relay T3 on-delay 5s, works in the motor of sand making machine electric
On road 301, relay switch KM4 and relay switch KM5 electric closure, 3 variable frequency starting of sand making machine motor, and carry out frequency conversion tune
Speed.
Claims (5)
1. a kind of frequency-converting control device for starting double broken hosts using single frequency converter, including trimmer and sand making machine, described whole
Shape machine be configure main motor and auxiliary-motor vertical shaft it is broken, the sand making machine be configure single motor high-speed high frequency vertical shaft it is broken, spy
Sign is: the main motor control circuit of the trimmer includes variable frequency starting circuit and pressure stabilizing operating circuit, the variable frequency starting
Circuit, which is equipped with time relay T1, relay switch KM1 and controls the start button SB1 of its folding, frequency converter and control it, to be led to
The relay switch KM4 of power-off;The pressure stabilizing operating circuit be equipped with relay switch KM1 cooperate interlocking relay switch KM2 and
The time relay T2, the time relay T1 and interlocking relay switch KM1, KM2 work for frequency start-up circuit and pressure stabilizing
The power on/off of circuit switches, and the time relay T2 and is arranged on the auxiliary-motor operating circuit of trimmer, controls its on-off
The relay switch KM3 connection of electricity;The relay switch KM3 is connect with relay switch KM4, and is set on auxiliary-motor operating circuit
Having time relay T3, on the motor operating circuit that sand making machine is set, the relay switch KM5 of controller power on/off connect
It connects.
2. the frequency-converting control device according to claim 1 for starting double broken hosts using single frequency converter, it is characterised in that:
In the frequency converter be equipped with slow down power grid impact electric time delays relay TA/TC, and its be delayed the electric time is
3s or more.
3. the frequency-converting control device according to claim 1 for starting double broken hosts using single frequency converter, it is characterised in that:
The time relay T1 is that on-delay disconnects relay, and its turn-off time that is delayed is 15s or more.
4. the frequency-converting control device according to claim 1 for starting double broken hosts using single frequency converter, it is characterised in that:
The time relay T2 and time relay T3 be on-delay closing relay, and its timing closing time be 5s with
On.
5. the frequency-converting control device according to claim 1 for starting double broken hosts using single frequency converter, it is characterised in that:
It is equipped on the motor operating circuit of the main motor control circuit of the trimmer, auxiliary-motor operating circuit and sand making machine for protecting
Shield control circuit is spaced apart QF1, QF2, QF3.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821233401.1U CN208786656U (en) | 2018-08-02 | 2018-08-02 | Start the frequency-converting control device of double broken hosts using single frequency converter |
Applications Claiming Priority (1)
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CN201821233401.1U CN208786656U (en) | 2018-08-02 | 2018-08-02 | Start the frequency-converting control device of double broken hosts using single frequency converter |
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Publication Number | Publication Date |
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CN208786656U true CN208786656U (en) | 2019-04-26 |
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CN201821233401.1U Withdrawn - After Issue CN208786656U (en) | 2018-08-02 | 2018-08-02 | Start the frequency-converting control device of double broken hosts using single frequency converter |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108855575A (en) * | 2018-08-02 | 2018-11-23 | 贵州成智重工科技有限公司 | Start the frequency-converting control device and method of double broken hosts using single frequency converter |
CN114289168A (en) * | 2021-12-29 | 2022-04-08 | 内蒙古超牌新材料股份有限公司 | Depolymerizing machine system and starting method thereof |
-
2018
- 2018-08-02 CN CN201821233401.1U patent/CN208786656U/en not_active Withdrawn - After Issue
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108855575A (en) * | 2018-08-02 | 2018-11-23 | 贵州成智重工科技有限公司 | Start the frequency-converting control device and method of double broken hosts using single frequency converter |
CN114289168A (en) * | 2021-12-29 | 2022-04-08 | 内蒙古超牌新材料股份有限公司 | Depolymerizing machine system and starting method thereof |
CN114289168B (en) * | 2021-12-29 | 2023-05-09 | 内蒙古超牌新材料股份有限公司 | Method for starting depolymerizer system |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20190426 Effective date of abandoning: 20230627 |
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AV01 | Patent right actively abandoned |
Granted publication date: 20190426 Effective date of abandoning: 20230627 |
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AV01 | Patent right actively abandoned | ||
AV01 | Patent right actively abandoned |