CN202023975U - Double-layer cinder valve control system - Google Patents
Double-layer cinder valve control system Download PDFInfo
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- CN202023975U CN202023975U CN2011200846943U CN201120084694U CN202023975U CN 202023975 U CN202023975 U CN 202023975U CN 2011200846943 U CN2011200846943 U CN 2011200846943U CN 201120084694 U CN201120084694 U CN 201120084694U CN 202023975 U CN202023975 U CN 202023975U
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Abstract
The utility model belongs to the technical field of double-layer cinder valves used in metallurgical sintering and environmental protection equipment, and particularly relates to a double-layer cinder valve control system. The system comprises a three-phase alternating current circuit on which at least two groups of double-layer cinder valve motor circuits are connected in parallel; each group of double-layer cinder valve motor circuits corresponds to a control circuit; each control circuit comprises a starting circuit, a timing circuit, a timing control circuit and a parallel circuit; in the system, a plurality of double-layer cinder valves are sequentially controlled by using a timer and a relay; and beginning with the first set of motor, the second set is automatically started to work after a certain time, the third set is automatically started to work after a certain time, and analogically, after the final set is started, the first set is automatically started against after a set time to form cycle operation. Therefore, the aim of automatically controlling a plurality of double-layer cinder valves is fulfilled, automation of equipment is improved, labor intensity of workers is reduced, and production cost is reduced.
Description
Technical field:
The utility model belongs to the Double-deck cinder discharge valve technical field of using in metallurgy sintered and the environmental protection equipment, is specifically related to a kind of Double-deck cinder discharge valve control system.
Background technique:
Double-deck cinder discharge valve is widely used in the metallurgy sintered and environmental protection equipment.Double-deck cinder discharge valve is constantly discharged granular material under the control of electrical equipment.
The electrical equipment control of Double-deck cinder discharge valve, what used in the past is that PLC controls the mode that combines with the manually-operable of execute-in-place case automatically, and controls a plurality of motors, generally has about 20 motors.Each circuit point digital input and output of at least three points when participating in PLC control, to increase module in the electrical equipment like this and the relevant PLC control point enters computer program, so no matter all can make the financial cost height from electrical apparatus element or in the software programming, manufacturing efficiency is low, and the rate of fault height.
The model utility content:
In sum, in order to overcome the deficiency of prior art problem, the utility model provides a kind of Double-deck cinder discharge valve control system, and the Double-deck cinder discharge valve motor is divided into some groups, 1 to 5 every group.Adopt counter and relay that a plurality of Double-deck cinder discharge valves are adopted sequence controls, since first group, certain hour at interval, second group starts work automatically, certain hour at interval again, the 3rd group starts work automatically.And the like, after beginning to last one group, start first group of work, periodic duty more automatically through the time that has configured.Thereby reach the purpose that a plurality of Double-deck cinder discharge valves are controlled automatically, thereby improve the automation of equipment, reduce labor strength, reduce production costs.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of Double-deck cinder discharge valve control system, comprise three-phase circuit, be parallel with at least two group Double-deck cinder discharge valve motor circuits on the three-phase circuit, the Double-deck cinder discharge valve motor circuit comprises main contact, thermorelay and the unloading valve motor of the motor A.C. contactor of series connection successively; Wherein: every group of corresponding control circuit of Double-deck cinder discharge valve motor circuit, be followed successively by first control circuit, second control circuit, analogize, and be connected in parallel on the control way circuit, the control way circuit is provided with protective circuit, protective circuit is that the start button switch and the coil of auxiliary reclay of series connection successively constitutes, normally opened contact of auxiliary reclay and start button switch in parallel, and its another normally opened contact is arranged on the control way circuit between protective circuit and the first control circuit; Control circuit comprises starting circuit, timing circuit, time control circuit and associated circuit, and starting circuit, timing circuit, time control circuit and associated circuit are parallel with one another; Starting circuit is made of the coil of normally-closed contact, enable switch and the motor A.C. contactor of the counter of series connection, the enable switch of first control circuit be with protective circuit in the synchronous push-button switch of start button switch or be the normally opened contact of the time relay, second control circuit and following control circuit enable switch are the normally opened contact of the time relay; Timing circuit is a counter, is connected with counter enable switch and reset switch on the counter, and the counter enable switch is in parallel with reset switch; Time control circuit comprise successively series connection near switch and timing control relay coil; Associated circuit comprises the normally opened contact of the counter of connecting successively and the coil of time relay.
Further, first normally opened contact of the timing control relay of described control circuit is this utmost point counter enable switch, second normally opened contact is the reset switch of the counter of next control circuit, promptly, second normally opened contact of the timing control relay of first control circuit is the reset switch of the counter of second control circuit, and the like, second normally opened contact of the timing control relay of last control circuit is the reset switch of the counter of first control circuit.
Further, the enable switch of described first control circuit is in parallel with the normally opened contact of the time relay of last control circuit, the enable switch of second control circuit is the normally opened contact of the time relay of first control circuit, and the like, the enable switch of last control circuit is the normally opened contact of the time relay of its previous control circuit.
Further, be provided with manual, automatic transfer switch between described counter and control way circuit.
Further, the set time of the described time relay is 2～120 minutes.
The beneficial effects of the utility model are:
1, the utility model modern design adopts counter and relay that a plurality of Double-deck cinder discharge valves are adopted sequence control, since first group, and the interval certain hour, second group starts work automatically.To schedule, after beginning to last one group, start first group of work, periodic duty more automatically through the time that has configured.Thereby reach the purpose that a plurality of Double-deck cinder discharge valves are controlled automatically.
2, the utility model be provided with manually, automatic change-over, when needs manually boot unloading valve, please the toggle switch of correspondence is pushed manual position and gets final product, easy to operate.
3, the utility model circuit is simple, convenient operation and control, and the automaticity height can effectively reduce working strength of workers, enhances productivity, and reduces fault occurrence frequency, reduces production costs.
Description of drawings:
Fig. 1 is a kind of three-phase circuit figure of the present utility model;
Fig. 2 is the control circuit circuit diagram corresponding with Fig. 1 of the present utility model;
Fig. 3 is another three-phase circuit figure of the present utility model;
Fig. 4 is the control circuit circuit diagram corresponding with Fig. 3 of the present utility model.
Embodiment:
The utility model is described in further detail below in conjunction with drawings and Examples.
Embodiment one:
As shown in Figure 1 and Figure 2, a kind of Double-deck cinder discharge valve control system, it comprises three-phase circuit, be parallel with three unloading valve motor circuits on the three-phase circuit, be the first unloading valve motor circuit, the second unloading valve motor circuit and the 3rd unloading valve motor circuit successively, the first unloading valve motor circuit comprises main contact, thermorelay FR1a and the unloading valve motor M 1 of the first motor A.C. contactor KM1 of series connection successively; The second unloading valve motor circuit comprises main contact, thermorelay FR2a and the unloading valve motor M 2 of the second motor A.C. contactor KM2 of series connection successively; The 3rd unloading valve motor circuit comprises main contact, thermorelay FR3a and the unloading valve motor M 3 of the 3rd motor A.C. contactor KM3 of series connection successively.
The corresponding control circuit of each motor circuit; have three control circuits; be first control circuit successively; second control circuit and the 3rd control circuit; three control circuits are connected in parallel on the control way circuit successively; the control way circuit also can be described as the power circuit of control circuit; the control way circuit is provided with protective circuit; protective circuit comprises the start button SA of series connection successively and the coil of auxiliary reclay KA; the normally opened contact of auxiliary reclay KA is in parallel with start button SA; play holding function; starting back retentive control circuit has; its another normally opened contact is arranged on the control way circuit between protective circuit and first control circuit, starts control circuit is got.First control circuit comprises first starting circuit, first timing circuit, first time control circuit and first associated circuit, first starting circuit comprises the normally-closed contact of the first counter JDM1 of series connection successively, the first enable switch SA1, the coil of the first motor A.C. contactor KM1 and thermorelay FR1b, the first enable switch SA1 and start button SA interlock, be parallel with the normally opened contact of the 3rd time relay KT3 of the normally opened contact of the first motor A.C. contactor KM1 and the 3rd control circuit on the first enable switch SA1, first timing circuit is the first counter JDM1, be connected with the first contact KA1a and first reset switch of the first timing control relay KA1 on the first counter JDM1, first reset switch is the second contact KA3b of the 3rd timing control relay KA3 of the 3rd control circuit, and first time control circuit comprises first coil near the switch JL1 and the first timing control relay KA1 of series connection successively; First associated circuit comprises the normally opened contact of the first counter JDM1 that connects successively and the coil of very first time relay K T1, and the set time of very first time relay is 10 minutes.
Second control circuit comprises second starting circuit, second timing circuit, second time control circuit and second associated circuit, second starting circuit comprises successively normally-closed contact, second enable switch of the second counter JDM2 of series connection, coil and the thermorelay FR2b of the second motor A.C. contactor KM2, and second enable switch is the normally opened contact of very first time relay K T1; Second timing circuit is the second counter JDM2, be connected with the first contact KA2a and second reset switch of the second timing control relay KA2 on the second counter JDM2, second reset switch is the second contact KA1b of the first timing control relay KA1 of first control circuit, and second time control circuit comprises second coil near the switch JL2 and the second timing control relay KA2 of series connection successively; Second associated circuit comprises the normally opened contact of the second counter JDM2 that connects successively and the coil of second time relay KT2, and the set time of second time relay is 10 minutes.
The 3rd control circuit comprises the 3rd starting circuit, the 3rd timing circuit, the 3rd time control circuit and the 3rd associated circuit, the 3rd starting circuit comprises successively normally-closed contact, the 3rd enable switch of the 3rd counter JDM3 of series connection, coil and the thermorelay FR3b of the 3rd motor A.C. contactor KM3, and the 3rd enable switch is the normally opened contact of second time relay KT2; The 3rd timing circuit is the 3rd counter JDM3, be connected with the first contact KA3a and the 3rd reset switch of the 3rd timing control relay KA3 on the 3rd counter JDM3, the 3rd reset switch is the second contact KA2b of the second timing control relay KA2 of second control circuit, and the 3rd time control circuit comprises the 3rd coil near switch JL3 and the 3rd timing control relay KA3 of series connection successively; The 3rd associated circuit comprises the normally opened contact of the 3rd counter JDM3 that connects successively and the coil of the 3rd time relay KT3, and the set time of the 3rd time relay is 10 minutes.
During use, the air-break switch QF that closes, power indication signal lamp H1 lamp is bright, and the expression power supply is normal, can starting up's button SA, auxiliary reclay KA work and self-insurance, its normally opened contact KA0 connects the control way circuit.Simultaneously with the first enable switch SA1 closure of SA interlock, the coil of three-phase ac contactor KM1 gets, the main contact closure of KM1, motor M 1 work, first group of unloading valve started working, at this moment, all counters all are in the preparatory work state, when first group of unloading valve begins proper functioning, the first timing control relay KA1 is by connecting and interrupted adhesive near switch sensor JL1, and the first contact KA1a of its first timing control relay KA1 begins to provide count signal to the first counter JDM1, when motor M 1 running during to number of times that the first counter JDM1 sets, first counter JDM1 action, its normally closed point disconnects, and then three-phase ac contactor KM1 dead electricity stops, and its main contact disconnects, motor M 1 quits work, and first group of unloading valve quits work; Simultaneously; JDM1 normally opened contact closure; very first time relay K T1 gets electric, after the time that process very first time relay K T1 sets, and the normally opened contact closure of very first time relay K T1; thereby second control circuit is got; the coil of three-phase ac contactor KM2 gets electric, the main contact closure of three-phase ac contactor KM2, and second group of unloading valve started working; above program repeat is carried out, till artificial shutdown.
Behind three groups of unloading valve operation one-periods, the counter O reset circuit is started working, when the 3rd timing control relay KA3 get electric after, its second contact KA3b closure, reset after the first counter JDM1 zero clearing, its normally-closed contact closure, its normally opened contact disconnects, and is that first group of unloading valve work is prepared; When the first timing control relay KA1 get electric after, its second contact KA1b closure resets after the second counter JDM2 zero clearing, its normally-closed contact closure, normally opened contact disconnects, and is that second group of unloading valve work is prepared; When the second timing control relay KA2 get electric after, its second contact KA2b closure resets after the 3rd counter JDM3 zero clearing, its normally-closed contact closure, normally opened contact disconnects, and is that the 3rd group of unloading valve work is prepared.
Embodiment two:
As shown in Figure 3, Figure 4, repeat embodiment one, following difference is arranged, ten motor circuits in parallel on the three-phase circuit, two motors are arranged in each motor circuit, corresponding with motor circuit, ten control circuits in parallel on its control way circuit, the set time of all control circuits is 20 minutes.
Be noted that, the above embodiment is to the explanation of technical solutions of the utility model and unrestricted, other modification that is equal to replacement or makes of affiliated technical field those of ordinary skill according to prior art, as long as do not exceed the thinking and the scope of technical solutions of the utility model, all should be included within the desired interest field of the utility model.
Claims (5)
1. Double-deck cinder discharge valve control system, comprise three-phase circuit, be parallel with at least two group Double-deck cinder discharge valve motor circuits on the three-phase circuit, the Double-deck cinder discharge valve motor circuit comprises the main contact of the motor A.C. contactor of series connection successively, thermorelay and unloading valve motor, it is characterized in that: every group of corresponding control circuit of Double-deck cinder discharge valve motor circuit, be followed successively by first control circuit, second control circuit, analogize, and be connected in parallel on the control way circuit, the control way circuit is provided with protective circuit, protective circuit is that the start button switch of series connection successively and the coil of auxiliary reclay constitute, normally opened contact of auxiliary reclay and start button switch in parallel, its another normally opened contact are arranged on the control way circuit between protective circuit and the first control circuit; Control circuit comprises starting circuit, timing circuit, time control circuit and associated circuit, and starting circuit, timing circuit, time control circuit and associated circuit are parallel with one another; Starting circuit is made of the coil of normally-closed contact, enable switch and the motor A.C. contactor of the counter of series connection, the enable switch of first control circuit be with protective circuit in the synchronous push-button switch of start button switch or be the normally opened contact of the time relay, second control circuit and following control circuit enable switch are the normally opened contact of the time relay; Timing circuit is a counter, is connected with counter enable switch and reset switch on the counter, and the counter enable switch is in parallel with reset switch; Time control circuit comprise successively series connection near switch and timing control relay coil; Associated circuit comprises the normally opened contact of the counter of connecting successively and the coil of time relay.
2. Double-deck cinder discharge valve control system according to claim 1, it is characterized in that: first normally opened contact of the timing control relay of described control circuit is this utmost point counter enable switch, second normally opened contact is the reset switch of the counter of next control circuit, promptly, second normally opened contact of the timing control relay of first control circuit is the reset switch of the counter of second control circuit, and the like, second normally opened contact of the timing control relay of last control circuit is the reset switch of the counter of first control circuit.
3. Double-deck cinder discharge valve control system according to claim 1, it is characterized in that: the enable switch of described first control circuit is in parallel with the normally opened contact of the time relay of last control circuit, the enable switch of second control circuit is the normally opened contact of the time relay of first control circuit, and the like, the enable switch of last control circuit is the normally opened contact of the time relay of its previous control circuit.
4. Double-deck cinder discharge valve control system according to claim 1 is characterized in that: be provided with manual, automatic transfer switch between described counter and control way circuit.
5. Double-deck cinder discharge valve control system according to claim 1 is characterized in that: the set time of the described time relay is 2～120 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200846943U CN202023975U (en) | 2011-03-28 | 2011-03-28 | Double-layer cinder valve control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200846943U CN202023975U (en) | 2011-03-28 | 2011-03-28 | Double-layer cinder valve control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202023975U true CN202023975U (en) | 2011-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200846943U Expired - Fee Related CN202023975U (en) | 2011-03-28 | 2011-03-28 | Double-layer cinder valve control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202023975U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103529712A (en) * | 2012-07-03 | 2014-01-22 | 韩欣华 | Double-loop sequence control circuit |
| CN104832694A (en) * | 2015-06-01 | 2015-08-12 | 江苏星光波纹管有限公司 | Electrical control system for dust discharging valve |
| CN113296424A (en) * | 2020-09-30 | 2021-08-24 | 湖南长天自控工程有限公司 | Ash discharge control system and method based on bus |
-
2011
- 2011-03-28 CN CN2011200846943U patent/CN202023975U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103529712A (en) * | 2012-07-03 | 2014-01-22 | 韩欣华 | Double-loop sequence control circuit |
| CN103529712B (en) * | 2012-07-03 | 2016-05-11 | 韩欣华 | Double loop sequencing circuit |
| CN104832694A (en) * | 2015-06-01 | 2015-08-12 | 江苏星光波纹管有限公司 | Electrical control system for dust discharging valve |
| CN113296424A (en) * | 2020-09-30 | 2021-08-24 | 湖南长天自控工程有限公司 | Ash discharge control system and method based on bus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111102 Termination date: 20190328 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |