CN218158813U - Double-control electromagnetic valve control system in cement production line - Google Patents
Double-control electromagnetic valve control system in cement production line Download PDFInfo
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- CN218158813U CN218158813U CN202222816847.XU CN202222816847U CN218158813U CN 218158813 U CN218158813 U CN 218158813U CN 202222816847 U CN202222816847 U CN 202222816847U CN 218158813 U CN218158813 U CN 218158813U
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Abstract
The utility model discloses a two solenoid valve control systems in cement manufacture line, coil YV1 and coil YV2 including circuit breaker 52M and two solenoid valve, the alternating current is connected to one end of circuit breaker 52M, and the other end is connected to coil YV1 through normally open contact 88X11 of contactor 88X1 respectively and forms the power supply circuit of coil YV1, is connected to coil YV2 through normally open contact 88X21 of contactor 88X2 and forms the power supply circuit of coil YV2; grounding ends of the coils YV1 and YV2 are grounded respectively; the contactors 88X1 and 88X2 are respectively connected with the DCS control module. The utility model has the advantages that: the safety and reliability are realized, and the safe and stable operation of the double-control electromagnetic valve is ensured; the maintenance switch is designed, so that the safety during maintenance is ensured, accidents in the maintenance process of the double-control electromagnetic valve are avoided, and the subsequent maintenance is guaranteed; the low-voltage control side circuit is simple and reliable, and the cost is low; the system is provided with the indicator light, so that the state signal of the control system can be quickly known.
Description
Technical Field
The utility model relates to a cement manufacture line conveying equipment control field, in particular to two accuse solenoid valve control systems in cement manufacture line.
Background
A plurality of three-way electromagnetic valves are used in the novel production line conveying equipment for cement, but the use of the three-way electromagnetic valves can cause the problem that the electromagnetic valves generate heat for long-time live coils, and the common solution is to adopt double-control electromagnetic valves. The design principle of the double-control electromagnetic valve is to save energy and reduce consumption and to ensure that the coil can work stably for a long time. The double-control electromagnetic valve is provided with two coils, the valve is reversed when one side is electrified, and the valve can not return (without a spring) to keep a smooth state after the power is off; the other side is reset when being electrified, so that the problem of coil heating is solved. However, the low-pressure control circuit of the solenoid valve in the prior art is designed for a three-way solenoid valve, and if the existing low-pressure control circuit is needed to realize one-control-two functions, the complex design of the first and second loop control principles is needed, which causes the increase of cost and the complication of a control system, so that the operation and control can not meet the requirements of low cost, simplicity and reliability.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's is not enough, provides a two accuse solenoid valve control system among cement manufacture line, and the one set of control system who is applicable to two accuse solenoid valves of redesign guarantees two safe and reliable operation of accuse solenoid valve and takes into account the cost.
In order to achieve the purpose, the invention adopts the technical scheme that: a double-control electromagnetic valve control system in a cement production line comprises a circuit breaker 52M, and a coil YV1 and a coil YV2 of a double-control electromagnetic valve, wherein one end of the circuit breaker 52M is connected with alternating current, and the other end of the circuit breaker 52M is respectively connected to the coil YV1 through a normally open contact 88X11 of a contactor 88X1 to form a power supply loop of the coil YV1, and is connected to the coil YV2 through a normally open contact 88X21 of the contactor 88X2 to form a power supply loop of the coil YV2; grounding ends of the coils YV1 and YV2 are grounded respectively; the contactors 88X1 and 88X2 are respectively connected with the DCS control module.
An inspection switch 521 and an inspection switch 522 are provided in series in the power supply circuit of the coil YV1 and the power supply circuit of the coil YV3, respectively.
The control system further comprises a relay 30X, wherein a coil of the relay 30X is connected with the breaker fault auxiliary contact 52MAL in series and then connected to two ends of a power supply in parallel; the normally open contact 30X2 of the relay 30X is arranged in series in the power supply loop of the fault indicator lamp OL of the circuit breaker 52M.
The DCS control module comprises a DCS controller and relays K1 and K2, wherein the driving output end of the DCS controller is respectively connected with the relays K1 and K2 and used for driving the relays K1 and K2; after the normally open contact K11 of the relay K1 is connected with the coil of the contactor 88X1 in series, one end of the normally open contact K11 is connected to the normally open contact 30X1 of the electricity saver 30X, and the other end of the normally open contact K11 is grounded; after the normally open contact K22 of the relay K2 is connected with the coil of the contactor 88X2 in series, one end of the normally open contact K22 is connected to the normally open contact 30X1 of the electricity saver 30X, and the other end of the normally open contact K22 is grounded; the other end of the normally open contact 30X1 is connected to the positive power supply.
The control system further comprises an electromagnetic valve stop indicator lamp GL, an electromagnetic valve coil YV1 operation indicator lamp RL1 and an electromagnetic valve coil YV2 operation indicator lamp RL2, wherein the electromagnetic valve stop indicator lamp GL is connected in series with a normally closed contact 88X12 of the contactor 88X1 and a normally closed contact 88X23 of the contactor 88X2 and then is arranged at a power supply end of a power supply; the solenoid valve coil YV1 operation indicator lamp RL1 is connected with the normally open contact 88X13 of the contactor 88X1 in series and then is arranged at two ends of the power supply in parallel; the solenoid valve coil YV2 operation indicator lamp RL2 is connected in series with the normally open contact 88X22 of the contactor 88X2 and then connected in parallel at two ends of the power supply.
The control system further comprises a relay 50X, a coil of the relay 50X is connected with the normally open auxiliary contact 52MAX of the circuit breaker in series and then connected with two ends of the power supply in parallel to form a power supply loop, and the normally open contact of the relay 52X is connected between the ready signal input interface of the circuit breaker 52M of the DCS controller and the direct-current power supply in series.
The direct current power supply is connected to a ready interface of a maintenance switch 521 of the DCS controller through a normally open auxiliary contact 521AX of the maintenance switch 521, connected to a ready interface of a maintenance switch 522 of the DCS controller through a normally open auxiliary contact 522AX of the maintenance switch 522, connected to a solenoid valve starting interface of the DCS controller through a button S1 and connected to a solenoid valve closing interface of the DCS controller through a button S2.
And the limit switches of the double-control electromagnetic valve are respectively used for detecting the limit position signals of the opening of the electromagnetic valve, and the output end of the limit switch is connected to a limit signal port of the DCS controller.
A coil YV1 operation interface of the DCS controller is connected with a constant-open contact 88X14 to a direct-current power supply; a coil YV2 operation interface of the DCS controller is connected with a direct current power supply through a normally open contact 88X24, and a breaker fault interface of the DCS controller is connected with the direct current power supply through a normally open contact 30X 1.
The utility model has the advantages of: the safety and reliability are realized, and the safe and stable operation of the double-control electromagnetic valve is ensured; the maintenance switch is designed, so that the safety during maintenance is ensured, accidents in the maintenance process of the double-control electromagnetic valve are avoided, and the subsequent maintenance is guaranteed; the low-voltage control side circuit is simple and reliable, and the cost is low; the system is provided with the indicator light, so that the state signal of the control system can be quickly known.
Drawings
The contents of the various figures of the present specification and the labels in the figures are briefly described as follows:
fig. 1 is a schematic diagram of the power supply control of the primary side solenoid valve of the present invention;
FIG. 2 is a schematic diagram illustrating the low side control of the message;
fig. 3 is a schematic diagram of DCS side of the present invention.
Detailed Description
The following description of preferred embodiments of the invention will be made in further detail with reference to the accompanying drawings.
Firstly, the applicant needs to point out an application scenario of the electromagnetic valve on the cement production line, because the cement production line widely uses the electromagnetic valve, for example, when materials are transported, the conveying equipment is generally provided with two discharge ports, so that one discharge port is generally controlled to discharge, and the other discharge port waits for the discharge, the electromagnetic valve is needed in an alternative mode, and the original control circuit adopting the three-way electromagnetic valve has the defects of coil overheating, complex circuit and the like, so that the application changes the three-way electromagnetic valve related to the conveying equipment into a double-control electromagnetic valve and correspondingly designs the control circuit of the double-control electromagnetic valve, and the specific principle is as follows:
as shown in fig. 1, it is a schematic diagram of the high-voltage field side, and includes a breaker 52M, contactors 88X1 and 88X2, service switches 521 and 522, and two coils YV1 and YV2 of the double control solenoid valve.
One end of the breaker 52M is connected with the alternating current L/N, and the other end is respectively connected with a normally open contact 88X11 of the contactor 88X1 and a normally open contact 88X21 of the contactor 88X 2; the normally open contact 88X11 is connected to the coil YV1 through the service switch 521; the normally open contact 88X21 is connected to the coil YV2 via the service switch 522; the other ends of the coils YV1, YV2 are connected to the ground PE. Wherein contactor 88X1, 88X2 are connected with DCS control module respectively, are controlled its disconnection and closure by DCS control system, and the maintenance switch that sets up can realize guaranteeing safety when overhauing, guarantees the unable starting circuit of well accuse side when overhauing.
As shown in fig. 2 and 3, which are control schematic diagrams of the primary side and the DCS side, the relay includes a relay 30X, and a coil of the relay 30X is connected in series with a breaker fault auxiliary contact 52MAL and then connected in parallel to both ends of a power supply; the normally open contact 30X2 of the relay 30X is provided in series in the power supply circuit of the fault indication lamp OL of the circuit breaker 52M. Therefore, the working state of the circuit breaker 52M can be quickly known through the indicator lamp OL after the fault, and the indicator lamp OL can indicate the electric quantity OL when the fault occurs.
Further, the DCS control module comprises a DCS controller and relays K1 and K2, wherein the driving output end of the DCS controller is respectively connected with the relays K1 and K2 and used for driving the relays K1 and K2; after a normally open contact K11 of the relay K1 is connected with a coil of the contactor 88X1 in series, one end of the normally open contact K11 is connected to a normally open contact 30X1 of the electricity saver 30X, and the other end of the normally open contact K11 is grounded; after a normally open contact K22 of the relay K2 is connected with a coil of the contactor 88X2 in series, one end of the normally open contact K22 is connected to a normally open contact 30X1 of the electricity saver 30X, and the other end of the normally open contact K22 is grounded; the other end of the normally open contact 30X1 is connected to the positive power supply.
As shown in fig. 2, the present application further provides various indicator lights to indicate the system status, including a solenoid stop indicator light GL, a solenoid coil YV1 operation indicator light RL1, and a solenoid coil YV2 operation indicator light RL2, and the circuit structure thereof is as shown in fig. 2, the solenoid stop indicator light GL is connected in series with the normally closed contact 88X12 of the contactor 88X1 and the normally closed contact 88X23 of the contactor 88X2 and then disposed at the power supply end; the solenoid valve coil YV1 operation indicator lamp RL1 is connected with the normally open contact 88X13 of the contactor 88X1 in series and then is arranged at two ends of the power supply in parallel; the solenoid valve coil YV2 operation indicator lamp RL2 is connected in series with the normally open contact 88X22 of the contactor 88X2 and then is connected in parallel at two ends of the power supply. When the DCS is not driving 88X1, 88X2, its normally closed contacts 88X12, 88X23 are both closed, the indicator light GL lights, otherwise GL does not light. Similarly, when 88X1 corresponding to YV1 is driven, 88X13 is closed, and the indicator lamp RL1 is lightened; when 88X2 corresponding to YV2 is driven, 88X22 is closed and the indicator lamp RL2 is turned on.
As shown in fig. 3, the schematic diagram of the DCS side includes a relay 50X, a coil of the relay 50X is connected in series with a normally open auxiliary contact 52MAX of a circuit breaker and then connected in parallel to two ends of a power supply to form a power supply loop, and a normally open contact of the relay 52X is connected in series between a ready signal input interface of a circuit breaker 52M of the DCS controller and a dc power supply. The direct current power supply is connected to a ready interface of a maintenance switch 521 of the DCS controller through a normally open auxiliary contact 521AX of the maintenance switch 521, connected to a ready interface of a maintenance switch 522 of the DCS controller through a normally open auxiliary contact 522AX of the maintenance switch 522, connected to a solenoid valve starting interface of the DCS controller through a button S1 and connected to a solenoid valve closing interface of the DCS controller through a button S2.
And the limit switches of the double-control electromagnetic valve are respectively used for detecting the limit position signals of the opening of the electromagnetic valve, and the output end of the limit switch is connected to a limit signal port of the DCS controller. In fig. 3 there may be a dc power supply connected to the LIMIT interface LIMIT1 via a LIMIT switch ZS1 and to the LIMIT interface LIMIT2 via a LIMIT switch ZS2, the LIMIT switches ZS1, ZS2 corresponding to the two coils respectively.
A coil YV1 operation interface of the DCS controller is connected with a constant-open contact 88X14 to a direct-current power supply; a coil YV2 operation interface of the DCS controller is connected with a direct current power supply through a normally open contact 88X24, and a breaker fault interface of the DCS controller is connected with the direct current power supply through a normally open contact 30X 1.
The direct current power supply adopts 24V direct current, and mainly provides power for each contact to achieve acquisition of auxiliary signals and detection of states.
The operating principle of the circuit system of the application comprises:
the 30X relay is a breaker 52M fault indication, the 52X relay is a power ready indication, GL is a solenoid stop indicator, OL is a breaker 52M fault indicator, RL1 solenoid coil 1 run indicator, RL2 solenoid coil 2 run indicator.
When the maintenance switch 521 is closed, the normally open auxiliary contact 521 (AX) is closed, and the DCS receives a switch ready closing signal; when a start button S1 is pressed, after receiving a signal of starting an electromagnetic valve coil 1, a DCS sends a driving signal K1 to enable a main control loop to be electrified, a 88X1 contactor is electrified, a normally open auxiliary contact of the DCS is closed to enable a primary loop to be electrified and open the electromagnetic valve coil 1, when an electromagnetic valve is opened to a limit position, a limit switch ZS1 is triggered to enable the DCS to receive a closing signal of the electromagnetic valve coil 1, the DCS sends a driving signal K1 to enable the main control loop to be de-electrified, the 88X1 contactor is de-electrified, and the normally open auxiliary contact of the DCS is opened to enable the primary loop to be de-electrified and close the electromagnetic valve coil 1; when the stop button S2 is pressed, after receiving a signal of closing the solenoid valve coil YV1, the DCS sends a driving signal K1 to enable the main control loop to be powered off, the 88X1 contactor is powered off, and the normally open auxiliary contact of the DCS is opened to enable the primary loop to be powered off to close the solenoid valve coil YV1.
When the maintenance switch 522 is closed, the normally open auxiliary contact 522 (AX) is closed, and the DCS receives a switch ready closing signal; when a start button S1 is pressed, a DCS receives a signal of a start solenoid valve coil 2, sends a driving signal K2 to enable a main control loop to be electrified, a 88X2 contactor is electrified, a normally open auxiliary contact of the DCS is closed to enable a primary loop to be electrified to open the solenoid valve coil 2, when a solenoid valve is opened to a limit position, a limit switch ZS2 is triggered to enable the DCS to receive a closing signal of the solenoid valve coil 2, the DCS sends a driving signal K2 to enable the main control loop to be deenergized, the 88X2 contactor is deenergized, and a normally open auxiliary contact of the DCS is opened to enable the primary loop to be deenergized to close the solenoid valve coil 2; when the stop button S2 is pressed, after receiving a signal of closing the solenoid valve coil YV2, the DCS sends a driving signal K2 to ensure that the main control loop is de-energized, the 88X2 contactor is de-energized, and the normally open auxiliary contact is opened to ensure that the primary loop is de-energized to close the solenoid valve coil YV2.
It is clear that the specific implementation of the invention is not restricted to the above-described modes, and that various insubstantial modifications of the inventive concept and solution are within the scope of protection of the invention.
Claims (9)
1. A double-control electromagnetic valve control system in a cement production line is characterized in that: the electromagnetic valve comprises a circuit breaker 52M, a coil YV1 and a coil YV2 of a double-control electromagnetic valve, wherein one end of the circuit breaker 52M is connected with alternating current, and the other end of the circuit breaker 52M is respectively connected to the coil YV1 through a normally open contact 88X11 of a contactor 88X1 to form a power supply loop of the coil YV1 and is connected to the coil YV2 through a normally open contact 88X21 of the contactor 88X2 to form a power supply loop of the coil YV2; grounding ends of the coils YV1 and YV2 are grounded respectively; the contactors 88X1 and 88X2 are respectively connected with the DCS control module.
2. The system for controlling a twin solenoid valve in a cement manufacturing line as set forth in claim 1, wherein: an inspection switch 521 and an inspection switch 522 are provided in series in the power supply circuit of the coil YV1 and the power supply circuit of the coil YV3, respectively.
3. The control system of the double-control electromagnetic valve in the cement production line according to claim 1 or 2, characterized in that: the control system further comprises a relay 30X, wherein a coil of the relay 30X is connected with the breaker fault auxiliary contact 52MAL in series and then connected to two ends of a power supply in parallel; the normally open contact 30X2 of the relay 30X is arranged in series in the power supply loop of the fault indicator lamp OL of the circuit breaker 52M.
4. The control system of the double-control electromagnetic valve in the cement production line according to claim 3, characterized in that: the DCS control module comprises a DCS controller and relays K1 and K2, wherein the driving output end of the DCS controller is respectively connected with the relays K1 and K2 and used for driving the relays K1 and K2; after the normally open contact K11 of the relay K1 is connected with the coil of the contactor 88X1 in series, one end of the normally open contact K11 is connected to the normally open contact 30X1 of the electricity saver 30X, and the other end of the normally open contact K11 is grounded; after the normally open contact K22 of the relay K2 is connected with the coil of the contactor 88X2 in series, one end of the normally open contact K22 is connected to the normally open contact 30X1 of the electricity saver 30X, and the other end of the normally open contact K22 is grounded; the other end of the normally open contact 30X1 is connected to the power supply positive electrode.
5. The control system of the double-control electromagnetic valve in the cement production line according to claim 1 or 2, characterized in that: the control system further comprises an electromagnetic valve stop indicator lamp GL, an electromagnetic valve coil YV1 operation indicator lamp RL1 and an electromagnetic valve coil YV2 operation indicator lamp RL2, wherein the electromagnetic valve stop indicator lamp GL is connected in series with a normally closed contact 88X12 of the contactor 88X1 and a normally closed contact 88X23 of the contactor 88X2 and then is arranged at a power supply end of a power supply; an electromagnetic valve coil YV1 operation indicator lamp RL1 is connected in series with a normally open contact 88X13 of a contactor 88X1 and then is arranged at two ends of a power supply in parallel; the solenoid valve coil YV2 operation indicator lamp RL2 is connected in series with the normally open contact 88X22 of the contactor 88X2 and then is connected in parallel at two ends of the power supply.
6. The control system of the double-control electromagnetic valve in the cement production line according to claim 4, characterized in that: the control system further comprises a relay 50X, a coil of the relay 50X is connected with the normally open auxiliary contact 52MAX of the circuit breaker in series and then connected with two ends of the power supply in parallel to form a power supply loop, and the normally open contact of the relay 52X is connected between the ready signal input interface of the circuit breaker 52M of the DCS controller and the direct-current power supply in series.
7. The control system of the double-control electromagnetic valve in the cement production line according to claim 4, characterized in that: the direct current power supply is connected to a maintenance switch 521 ready interface of the DCS controller through a normally open auxiliary contact 521AX of the maintenance switch 521, connected to a maintenance switch 522 ready interface of the DCS controller through a normally open auxiliary contact 522AX of the maintenance switch 522, connected to an electromagnetic valve starting interface of the DCS controller through a button S1, and connected to an electromagnetic valve closing interface of the DCS controller through a button S2.
8. The system of claim 4, wherein the double-control solenoid valve control system comprises: and the limit switches of the double-control electromagnetic valve are respectively used for detecting the limit position signals of the opening of the electromagnetic valve, and the output end of the limit switch is connected to a limit signal port of the DCS controller.
9. The control system of the double-control electromagnetic valve in the cement production line according to claim 4, characterized in that: a coil YV1 operation interface of the DCS controller is connected with a constant-open contact 88X14 to a direct-current power supply; a coil YV2 operation interface of the DCS controller is connected with a direct current power supply through a normally open contact 88X24, and a breaker fault interface of the DCS controller is connected with the direct current power supply through a normally open contact 30X 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222816847.XU CN218158813U (en) | 2022-10-25 | 2022-10-25 | Double-control electromagnetic valve control system in cement production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222816847.XU CN218158813U (en) | 2022-10-25 | 2022-10-25 | Double-control electromagnetic valve control system in cement production line |
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| Publication Number | Publication Date |
|---|---|
| CN218158813U true CN218158813U (en) | 2022-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222816847.XU Active CN218158813U (en) | 2022-10-25 | 2022-10-25 | Double-control electromagnetic valve control system in cement production line |
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| CN (1) | CN218158813U (en) |
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- 2022-10-25 CN CN202222816847.XU patent/CN218158813U/en active Active
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