CN207588434U - A kind of electric pushrod control circuit with motor overload output - Google Patents
A kind of electric pushrod control circuit with motor overload output Download PDFInfo
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- CN207588434U CN207588434U CN201721644746.1U CN201721644746U CN207588434U CN 207588434 U CN207588434 U CN 207588434U CN 201721644746 U CN201721644746 U CN 201721644746U CN 207588434 U CN207588434 U CN 207588434U
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Abstract
The utility model discloses it is a kind of with motor overload output electric pushrod control circuit, including major loop and control loop, it is characterized in that:The control loop include push rod limit circuit, putter action circuit, motor overload circuitry, for master control room circuit and master control room circuit, the push rod limit circuit is connected with putter action circuit in parallel, the motor overload circuitry includes the coil of the circuit breaker Q F1 and intermediate relay KA3 that are connected in series between firewire and zero curve, the first normally opened contact connection putter action circuit of intermediate relay KA3, second normally opened contact that intermediate relay KA3 is included for master control room circuit.The utility model sends the signal of push rod working condition by control loop to master control room, master control room personnel is facilitated to recognize the various working conditions of push rod, convenient for controlling push rod.
Description
Technical field
The utility model is related to grinding machine push rod control technology field, specifically a kind of electricity with motor overload output
Dynamic push rod control circuit.
Background technology
The main control mode of desulfurization grinding machine is controlled for master control room, distribution of slurry system of the electric pushrod as desulphurization system
System, main control mode is controlled for master control room, and in master control room, operator on duty is obtained each in region by various monitoring devices
The health information of electrical equipment according to these information, sends out appropriate operation to the electrical equipment in region and scheduling refers to
It enables.
In the prior art, the electric pushrod running state information that master control room obtains is not comprehensive, can not fully understand push rod control
The operating status of circuit processed, thus the working condition of electric pushrod can not be grasped comprehensively, it is unfavorable for master control room signal monitoring and event
Barrier investigation.
Utility model content
To overcome above-mentioned the shortcomings of the prior art, the purpose of this utility model is to provide one kind to have motor overload
The electric pushrod control circuit of output, the motion state of Overall Acquisition electric pushrod are arranged conducive to master control room signal monitoring and failure
It looks into.
Technical solution is used by the utility model solves its technical problem:It is a kind of that there is the electronic of motor overload output
Push rod control circuit, including major loop and control loop, the control loop include push rod limit circuit, putter action circuit,
Motor overload circuitry, for master control room circuit and master control room circuit, the push rod limit circuit is connected with putter action circuit in parallel,
The motor overload circuitry includes the coil of the circuit breaker Q F1 and intermediate relay KA3 that are connected in series between firewire and zero curve,
The first normally opened contact connection putter action circuit of intermediate relay KA3, it is described to include intermediate relay KA3 for master control room circuit
The second normally opened contact.
Further, the control loop further includes control power turn-on circuit, and the control power turn-on circuit includes
Signal lamp HL1, the signal lamp are connected between firewire and zero curve.
Further, the push rod limit circuit moves back limiting electricity including the push rod being connected in parallel into limit circuit and push rod
Road;One end that the push rod includes limit switch SQ1, the limit switch SQ1 into limit circuit connects firewire, other end difference
Connect intermediate relay KA1 coils one end and signal lamp HL4 one end, the intermediate relay KA1 coils it is another
The other end of end and signal lamp HL4 are all connected with zero curve;The push rod moves back limit circuit and includes limit switch SQ2, the limit
One end connection firewire of bit switch SQ2, the other end connect one end of intermediate relay KA2 coils and signal lamp HL5 respectively
One end, the other end of the intermediate relay KA2 coils and the other end of signal lamp HL5 are all connected with zero curve.
Further, the putter action circuit includes the push rod that is connected in parallel and moves back circuit into circuit and push rod, push rod into
Circuit and push rod move back circuit and are connected in series with selecting switch SA, and the selecting switch SA includes selecting switch on the spot and concentration selects
Switch, into circuit, including control push rod on the spot, into circuit and centralized Control push rod into circuit, the push rod moves back circuit to the push rod
Including push rod being controlled to move back circuit on the spot and centralized Control push rod moves back circuit, the push rod of control on the spot is into circuit and controls push away on the spot
Bar moves back circuit connection selecting switch on the spot, and the centralized Control push rod moves back circuit with centralized Control push rod into circuit and connects concentration choosing
Select switch.
Further, the control push rod on the spot includes the button switch SB2's being connected in parallel and contactor KM1 into circuit
First normally opened contact, button switch SB2 connect button switch SB1, button switch with one end of the first normally opened contacts of contactor KM1
The other end of the first normally opened contact of SB2 and contactor KM1 passes sequentially through the normally-closed contact of contactor KM2, intermediate relay KA1
Normally-closed contact and limit switch SQ11 connect one end of contactor KM1 coils and one end of indicator light HL2, the contact respectively
The other end of device KM1 coils and the other end of indicator light HL2 connect zero curve;
It is normally opened including the button switch SB3 being connected in parallel and the first of contactor KM2 that the push rod of control on the spot moves back circuit
Contact, button switch SB3 and one end of the first normally opened contacts of contactor KM2 connect button switch SB1, button switch SB3 and connect
The other end of the first normally opened contacts of tentaculum KM2 pass sequentially through the normally-closed contact of contactor KM1, intermediate relay KA2 it is normally closed
Contact and limit switch SQ12 connect one end of contactor KM2 coils and one end of indicator light HL3, the contactor KM2 respectively
The other end of coil and the other end of indicator light HL3 connect zero curve.
Further, the centralized Control push rod includes be connected in parallel the of switch DCS1 and contactor KM1 into circuit
Two normally opened contacts switch one end connecting valve DCS3 of the second normally opened contact of DCS1 and contactor KM1, switch DCS1 and contactor
The other end of the second normally opened contacts of KM1 passes sequentially through the normally-closed contact of the normally-closed contact of contactor KM2, intermediate relay KA1
Connect one end of contactor KM1 coils and one end of indicator light HL2, the contactor KM1 coils respectively with limit switch SQ11
The other end and the other end of indicator light HL2 connect zero curve;
The centralized Control push rod move back circuit include be connected in parallel switch DCS2 and contactor KM2 second it is normally opened touch
Point switchs one end connecting valve DCS3 of the second normally opened contact of DCS2 and contactor KM2, switchs DCS2 and contactor KM2 second
The other end of normally opened contact passes sequentially through the normally-closed contact of contactor KM1, the normally-closed contact of intermediate relay KA2 and limiting and opens
It closes SQ12 and connects one end of contactor KM2 coils and one end of indicator light HL3, the other end of the contactor KM2 coils respectively
Zero curve is connect with the other end of indicator light HL3.
Further, one end connection firewire of first normally opened contacts of intermediate relay KA3, other end connection selection are opened
SA is closed, the access of the second normally opened contacts of intermediate relay KA3 is for master control room circuit.
Further, it is described to include the normally opened contact of selecting switch being connected in parallel, contactor KM1 for master control room circuit
4th normally opened contact, the normally opened contact of intermediate relay KA1, the normally opened contact of intermediate relay KA2 and intermediate relay KA3
Normally opened contact.
Further, the master control room circuit includes the normal open switch DCS1, the normal open switch DCS2 that are connected in parallel and normally closed
Switch DCS3.
Further, the major loop includes the third normally opened contact of contactor KM1 being connected in parallel and contactor KM2
Third normally opened contact, one end of the contactor KM1 third normally opened contacts and one end of contactor KM2 third normally opened contacts connect
Motor is connect, the other end of contactor KM1 third normally opened contacts and the other end of contactor KM2 third normally opened contacts pass through open circuit
Device QF1 connection three-phase electricities.
The effect provided in the utility model content is only the effect of embodiment rather than all complete of the utility model
Portion's effect, a technical solution in above-mentioned technical proposal has the following advantages that or advantageous effect:
1st, the signal of push rod working condition is sent to master control room by control loop, master control room personnel is facilitated to recognize push rod
Various working conditions, convenient for controlling push rod.
2nd, think that the status signal that master control room is sent includes overload signal, increase intermediate relay KA3, profit in push rod circuit
With two normally opened contact, for a normally opened contact for controlling control loop, a normally opened contact provides break signal to master control
Room, conducive to master control room to the overall monitor of signal and the investigation of failure.
Description of the drawings
Fig. 1 is the utility model main loop circuit figure;
Fig. 2 is the utility model control loop circuit diagram.
Specific embodiment
In order to clarify the technical characteristics of the invention, below by specific embodiment, and its attached drawing is combined, to this reality
It is described in detail with novel.Following disclosure provides many different embodiments or example is used for realizing the utility model
Different structure.In order to simplify the disclosure of the utility model, hereinafter the component of specific examples and setting are described.In addition,
The utility model can in different examples repeat reference numerals and/or letter.This repetition is to simplify and clear mesh
, the relationship between discussed various embodiments and/or setting itself is not indicated.It should be noted that illustrated in the accompanying drawings
Component is not drawn necessarily to scale.The description to known assemblies and treatment technology and process is omitted to avoid not in the utility model
Necessarily limit the utility model.
As shown in Figure 1, the major loop of the utility model control circuit, major loop includes motor M, contactor KM1 and KM2
Third normally opened contact and circuit breaker Q F, QF1, QF2.The third normally opened contact of contactor KM1 and the third of contactor KM2 are normally opened
Contact shunt connects, the rotation direction for controlling motor M different respectively, correspond to respectively push rod into or the action moved back.Contactor KM1
One end of three normally opened contacts and one end of contactor KM2 third normally opened contacts are all connected with motor, contactor KM1 third normally opened contacts
The other end three-phase electricity is connected by circuit breaker Q F1 with the other end of contactor KM2 third normally opened contacts.
As shown in Fig. 2, control loop include push rod limit circuit, putter action circuit, motor overload circuitry, for master control room
Circuit and master control room circuit, push rod limit circuit are connected with putter action circuit in parallel, and motor overload circuitry includes being connected in series with
The coil of circuit breaker Q F1 and intermediate relay KA3 between firewire and zero curve, the first normally opened contact of intermediate relay KA3
Connect putter action circuit, one end connection firewire of the first normally opened contacts of intermediate relay KA3, other end connection selecting switch
The access of the second normally opened contact of SA, intermediate relay KA3 is for master control room circuit, for sending the signal of motor M open circuits to master control room.
Control loop further includes control power turn-on circuit, and the control power turn-on circuit includes signal lamp HL1,
Signal lamp HL1 is connected between firewire and zero curve, is used to indicate control loop energization.
The push rod that push rod limit circuit includes being connected in parallel moves back limit circuit into limit circuit and push rod;Push rod is electric into limiting
Road includes limit switch SQ1, one end connection firewire of limit switch SQ1, and the other end connects intermediate relay KA1 coils respectively
One end and one end of signal lamp HL4, the other end of intermediate relay KA1 coils and the other end of signal lamp HL4 are equal
Connect zero curve;Push rod moves back limit circuit and includes limit switch SQ2, one end connection firewire of limit switch SQ2, and the other end connects respectively
Connect one end of intermediate relay KA2 coils and one end of signal lamp HL5, the other end and letter of intermediate relay KA2 coils
The other end of number indicator light HL5 is all connected with zero curve.
The push rod that putter action circuit includes being connected in parallel moves back circuit into circuit and push rod, and push rod moves back electricity into circuit and push rod
Road is connected in series with selecting switch SA, and selecting switch SA includes selecting switch on the spot and concentrates selecting switch, and push rod is into circuit packet
Including control push rod on the spot, into circuit and centralized Control push rod into circuit, push rod moves back circuit and includes push rod being controlled to move back circuit sum aggregate on the spot
Middle control push rod moves back circuit, and push rod is controlled to move back circuit with control push rod on the spot into circuit on the spot and connects selecting switch on the spot, is concentrated
Control push rod moves back circuit with centralized Control push rod into circuit and connects concentration selecting switch.
Control push rod includes the first normally opened contact for the button switch SB2 and contactor KM1 being connected in parallel into circuit on the spot,
Button switch SB2 connects button switch SB1, button switch SB2 and contactor with one end of the first normally opened contacts of contactor KM1
The other end of the first normally opened contacts of KM1 passes sequentially through the normally-closed contact of the normally-closed contact of contactor KM2, intermediate relay KA1
Connect one end of contactor KM1 coils and one end of indicator light HL2, the contactor KM1 coils respectively with limit switch SQ11
The other end and the other end of indicator light HL2 connect zero curve.
Control push rod moves back the first normally opened contact that circuit includes the button switch SB3 and contactor KM2 being connected in parallel on the spot,
Button switch SB3 connects button switch SB1, button switch SB3 and contactor with one end of the first normally opened contacts of contactor KM2
The other end of the first normally opened contacts of KM2 passes sequentially through the normally-closed contact of the normally-closed contact of contactor KM1, intermediate relay KA2
Connect one end of contactor KM2 coils and one end of indicator light HL3, the contactor KM2 coils respectively with limit switch SQ12
The other end and the other end of indicator light HL3 connect zero curve.
The second normally opened contact of switch DCS1 and contactor KM1 that centralized Control push rod includes being connected in parallel into circuit, is opened
One end connecting valve DCS3 of the second normally opened contact of DCS1 and contactor KM1 is closed, it is normally opened tactile to switch DCS1 and contactor KM1 second
The other end of point passes sequentially through the normally-closed contact of contactor KM2, the normally-closed contact of intermediate relay KA1 and limit switch SQ11
One end of connection contactor KM1 coils and one end of indicator light HL2, the other end of the contactor KM1 coils and instruction respectively
The other end of lamp HL2 connects zero curve.
Centralized Control push rod moves back the second normally opened contact of switch DCS2 and contactor KM2 that circuit includes being connected in parallel, and opens
One end connecting valve DCS3 of the second normally opened contact of DCS2 and contactor KM2 is closed, it is normally opened tactile to switch DCS2 and contactor KM2 second
The other end of point passes sequentially through the normally-closed contact of contactor KM1, the normally-closed contact of intermediate relay KA2 and limit switch SQ12
One end of connection contactor KM2 coils and one end of indicator light HL3, the other end of the contactor KM2 coils and instruction respectively
The other end of lamp HL3 connects zero curve.
For master control room circuit include be connected in parallel the normally opened contact of selecting switch, contactor KM1 the 4th normally opened contact,
The normally opened contact of the normally opened contact of intermediate relay KA1, the normally opened contact of intermediate relay KA2 and intermediate relay KA3, for master
Normally opened contact in control room is used to after corresponding coil is connected be closed, so as to provide corresponding gag lever post action letter to master control room
Number, such as during selecting switch closure, the corresponding normally opened contact for selecting switch SA in master control room circuit is closed, master control room work
Personnel know the signal that selecting switch SA is closed.
Master control room circuit includes the normal open switch DCS1, normal open switch DCS2 and the normally closed switch DCS3 that are connected in parallel, wherein
DCS is the abbreviation of Distributed Control System, means dcs, and DCS1, DCS2 and DCS3 divide
It is not the control switch of dcs, for realizing the control to putter action in master control room.
The above is the preferred embodiment of the utility model, and those skilled in the art are come
Say, under the premise of the utility model principle is not departed from, several improvements and modifications can also be made, these improvements and modifications also by
It is considered as the scope of protection of the utility model.
Claims (10)
1. a kind of electric pushrod control circuit with motor overload output, including major loop and control loop, it is characterized in that:Institute
State control loop include push rod limit circuit, putter action circuit, motor overload circuitry, for master control room circuit and master control room electricity
Road, the push rod limit circuit are connected with putter action circuit in parallel, and the motor overload circuitry includes being connected in series in firewire
The coil of circuit breaker Q F1 and intermediate relay KA3 between zero curve, the first normally opened contact connection of intermediate relay KA3 push away
Bar actuating circuit, second normally opened contact that intermediate relay KA3 is included for master control room circuit.
2. a kind of electric pushrod control circuit with motor overload output according to claim 1, it is characterized in that:It is described
Control loop further includes control power turn-on circuit, and the control power turn-on circuit includes signal lamp HL1, the signal
Indicator light is connected between firewire and zero curve.
3. a kind of electric pushrod control circuit with motor overload output according to claim 1, it is characterized in that:It is described
The push rod that push rod limit circuit includes being connected in parallel moves back limit circuit into limit circuit and push rod;The push rod is into limit circuit packet
One end connection firewire of limit switch SQ1, the limit switch SQ1 are included, the other end connects intermediate relay KA1 coils respectively
One end and one end of signal lamp HL4, the other ends of the intermediate relay KA1 coils and signal lamp HL4's is another
End is all connected with zero curve;The push rod moves back one end connection firewire that limit circuit includes limit switch SQ2, the limit switch SQ2,
The other end connects one end of intermediate relay KA2 coils and one end of signal lamp HL5, the intermediate relay KA2 respectively
The other end of coil and the other end of signal lamp HL5 are all connected with zero curve.
4. a kind of electric pushrod control circuit with motor overload output according to claim 1, it is characterized in that:It is described
The push rod that putter action circuit includes being connected in parallel moves back circuit into circuit and push rod, and push rod moves back circuit into circuit and push rod and connects
Selecting switch SA is connected, the selecting switch SA includes selecting switch on the spot and concentrates selecting switch, and the push rod is into circuit packet
Including control push rod on the spot, into circuit and centralized Control push rod into circuit, the push rod moves back circuit and includes push rod being controlled to move back circuit on the spot
Circuit is moved back with centralized Control push rod, and into circuit and on the spot, control push rod moves back circuit and connect and selects to open on the spot the control push rod on the spot
It closes, the centralized Control push rod moves back circuit with centralized Control push rod into circuit and connects concentration selecting switch.
5. a kind of electric pushrod control circuit with motor overload output according to claim 4, it is characterized in that:It is described
Control push rod includes the first normally opened contact for the button switch SB2 and contactor KM1 being connected in parallel, button switch into circuit on the spot
It is normal that SB2 connects button switch SB1, button switch SB2 and contactor KM1 first with one end of the first normally opened contacts of contactor KM1
The other end for opening contact passes sequentially through the normally-closed contact and limit switch of the normally-closed contact of contactor KM2, intermediate relay KA1
SQ11 connects one end of contactor KM1 coils and one end of indicator light HL2 respectively, the other end of the contactor KM1 coils and
The other end of indicator light HL2 connects zero curve;
The push rod of control on the spot moves back the first normally opened contact that circuit includes the button switch SB3 and contactor KM2 being connected in parallel,
Button switch SB3 connects button switch SB1, button switch SB3 and contactor with one end of the first normally opened contacts of contactor KM2
The other end of the first normally opened contacts of KM2 passes sequentially through the normally-closed contact of the normally-closed contact of contactor KM1, intermediate relay KA2
Connect one end of contactor KM2 coils and one end of indicator light HL3, the contactor KM2 coils respectively with limit switch SQ12
The other end and the other end of indicator light HL3 connect zero curve.
6. a kind of electric pushrod control circuit with motor overload output according to claim 4, it is characterized in that:It is described
Centralized Control push rod into circuit include be connected in parallel switch DCS1 and contactor KM1 the second normally opened contact, switch DCS1 and
One end connecting valve DCS3 of the second normally opened contacts of contactor KM1 switchs the another of the second normally opened contact of DCS1 and contactor KM1
End passes sequentially through the normally-closed contact of contactor KM2, the normally-closed contact of intermediate relay KA1 and limit switch SQ11 and connects respectively
One end of contactor KM1 coils and one end of indicator light HL2, the other ends of the contactor KM1 coils and indicator light HL2's is another
One end connects zero curve;
The centralized Control push rod moves back the second normally opened contact of switch DCS2 and contactor KM2 that circuit includes being connected in parallel, and opens
One end connecting valve DCS3 of the second normally opened contact of DCS2 and contactor KM2 is closed, it is normally opened tactile to switch DCS2 and contactor KM2 second
The other end of point passes sequentially through the normally-closed contact of contactor KM1, the normally-closed contact of intermediate relay KA2 and limit switch SQ12
One end of connection contactor KM2 coils and one end of indicator light HL3, the other end of the contactor KM2 coils and instruction respectively
The other end of lamp HL3 connects zero curve.
7. a kind of electric pushrod control circuit with motor overload output according to claim 1, it is characterized in that:It is described
One end connection firewire of the first normally opened contacts of intermediate relay KA3, the other end connection selecting switch SA, intermediate relay KA3 the
The access of two normally opened contacts is for master control room circuit.
8. a kind of electric pushrod control circuit with motor overload output according to claim 7, it is characterized in that:It is described
Include the normally opened contact of selecting switch being connected in parallel, the 4th normally opened contact of contactor KM1, intermediate relay for master control room circuit
The normally opened contact of the normally opened contact of device KA1, the normally opened contact of intermediate relay KA2 and intermediate relay KA3.
9. a kind of electric pushrod control circuit with motor overload output according to claim 8, it is characterized in that:It is described
Master control room circuit includes the normal open switch DCS1, normal open switch DCS2 and the normally closed switch DCS3 that are connected in parallel.
It is 10. special according to a kind of electric pushrod control circuit exported with motor overload of claim 1-9 any one of them
Sign is:The third that the major loop includes the third normally opened contact of the contactor KM1 and contactor KM2 being connected in parallel normally opened is touched
Point, one end of the contactor KM1 third normally opened contacts and one end of contactor KM2 third normally opened contacts are all connected with motor, connect
The other end of tentaculum KM1 third normally opened contacts is connected with the other end of contactor KM2 third normally opened contacts by circuit breaker Q F1
Three-phase electricity.
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CN201721644746.1U CN207588434U (en) | 2017-11-30 | 2017-11-30 | A kind of electric pushrod control circuit with motor overload output |
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CN201721644746.1U CN207588434U (en) | 2017-11-30 | 2017-11-30 | A kind of electric pushrod control circuit with motor overload output |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110214714A (en) * | 2019-07-15 | 2019-09-10 | 南京工业职业技术学院 | A kind of long-range feeding device for pets |
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2017
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110214714A (en) * | 2019-07-15 | 2019-09-10 | 南京工业职业技术学院 | A kind of long-range feeding device for pets |
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