CN211086979U - Plant signal control system - Google Patents
Plant signal control system Download PDFInfo
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- CN211086979U CN211086979U CN201922034521.XU CN201922034521U CN211086979U CN 211086979 U CN211086979 U CN 211086979U CN 201922034521 U CN201922034521 U CN 201922034521U CN 211086979 U CN211086979 U CN 211086979U
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Abstract
The embodiment of the application provides a plant signal control system which comprises a control button, a P L C controller electrically connected with the control button, an interface circuit and a dynamic circuit electrically connected with the P L C controller, and at least one signal relay, wherein the signal relay is electrically connected with the dynamic circuit and a plant signal machine, the P L C controller is used for receiving a control signal sent by a user through the control button and an interlocking condition signal of the interface circuit, and determining whether to send a pulse dynamic control signal to the dynamic circuit according to the control signal according to the interlocking condition signal, the dynamic circuit is used for sending a static control signal to the corresponding signal relay according to the pulse dynamic control signal, and the signal relay is used for controlling the corresponding plant signal machine to work according to the static control signal.
Description
Technical Field
The application relates to the field of signal control, in particular to a plant signal control system.
Background
The factory building signal is an indication signal of a locomotive in and out of a factory building, a workshop and other production fields through a railway in a factory and mine enterprise, is an essential technical means for ensuring the safe operation of the locomotive in and out of the factory building, and has important relation with workshop production and transportation.
In the prior art, the traditional electric relay control mode cannot meet the implementation integration control requirements of enterprises, for example, interface circuit control requirements such as adding an electric rolling door to a gate of an in-out factory building, adding an in-out alarm to the gate, setting a shaft counting circuit in an approach section and the like need to be improved, so that the cost is high and the flexibility is poor.
Therefore, the inventor provides a plant signal control system by virtue of experience and practice of related industries for many years, so as to overcome the defects in the prior art.
SUMMERY OF THE UTILITY MODEL
To the problem among the prior art, this application provides a factory building signal control system, can be nimble, accurate and convenient realization multi-device's interlocking control, promote factory building signal control's security, reliability and degree of automation.
In order to solve the technical problem, the application provides the following technical scheme:
the utility model provides a factory building signal control system, including the control button, with the P L C controller of control button electricity connection, with interface circuit and the dynamic circuit and at least one signal relay of P L C controller electricity connection, the signal relay with the dynamic circuit is connected with the factory building semaphore electricity, the P L C controller is used for receiving the control signal that the user sent through the control button and the interlocking condition signal of interface circuit to confirm whether to send the dynamic control signal of pulse to the dynamic circuit according to the interlocking condition signal, the dynamic circuit is used for sending static control signal to the signal relay that corresponds according to the dynamic control signal of pulse, the signal relay is used for according to the work of static control signal control corresponding factory building semaphore.
Further, the interface circuit is further electrically connected with the P L C controller, and the P L C controller acquires the on-off state of the interface circuit at regular time.
Furthermore, the first end of the signal relay is connected with a power supply, the second end of the signal relay is electrically connected with a passing indication lamp, the third end of the signal relay is electrically connected with a forbidden indication lamp, when the first end and the second end of the signal relay are connected, the passing indication lamp is conducted with the power supply, and when the first end and the third end of the signal relay are connected, the forbidden indication lamp is conducted with the power supply.
Further, the second end of the signal relay is further electrically connected with a passing signal lamp of the plant signal machine, the third end of the signal relay is further electrically connected with a forbidden signal lamp of the plant signal machine, when the first end and the second end of the signal relay are switched on, the passing signal lamp is switched on with the power supply, and when the first end and the third end are switched on, the forbidden signal lamp is switched on with the power supply.
Further, the lamp filament relay is connected between the power supply and the signal relay in series, the first end of the lamp filament relay is connected with the power supply, the second end of the lamp filament relay is electrically connected with the first end of the signal relay, the third end of the lamp filament relay is connected with the fault indicating lamp, when the passing signal lamp or the forbidden signal lamp works, the first end and the second end of the lamp filament relay are conducted, when the passing signal lamp or the forbidden signal lamp works abnormally, the first end and the third end of the lamp filament relay are conducted, and the fault indicating lamp is conducted with the power supply.
Further, the signal relay and the filament relay are both electromagnetic relays.
Further, the display device also comprises a display module electrically connected with the P L C controller.
Further, the power supply circuit and the voltage stabilizing circuit are connected with the P L C controller.
Further, be provided with the factory building signal lamp on the factory building signal machine, the factory building signal machine is connected with the one end electricity that divides the cable box, divide the other end of cable box pass through signal cable with the signal relay electricity is connected.
Further, a first end of the control button is connected with a power supply, and a second end of the control button is connected with a control signal receiving pin of the P L C controller.
According to the technical scheme, the utility model provides a factory building signal control system receives the control signal that the user sent through control button and interface circuit's interlocking condition signal through setting up P L C controller, just P L C controller passes through dynamic circuit and is connected with the signal relay electricity, can judge logic determination according to interlocking condition signal to whether dynamic circuit sends pulse dynamic control signal, so that dynamic circuit basis pulse dynamic control signal to corresponding signal relay sends static control signal, and makes signal relay basis static control signal control corresponds factory building semaphore work, the interlocking control of nimble, accurate and convenient realization multiple devices promotes safety, reliability and degree of automation of factory building signal control.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a plant signal control system according to the present application;
FIG. 2 is a circuit diagram of the plant signal control system of the present application;
FIG. 3 is a circuit block diagram of a representative lamp according to the present application;
fig. 4 is a circuit structure diagram of the plant signal according to the present application.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Considering that the traditional electric relay control mode adopted in the prior art can not meet the implementation integration control requirements provided by some enterprises, for example, interface circuit control requirements such as adding an electric rolling door to a gate of an in-out factory building, adding an in-out car alarm to a gate opening, setting a shaft counting circuit in an approaching section and the like need to be improved, the cost is high, and the flexibility is poor.
In order to realize the interlocking control of multiple devices flexibly, accurately and conveniently and improve the safety, reliability and automation degree of plant signal control, the application provides an embodiment of a plant signal control system, see fig. 1 and fig. 2, in the embodiment, the plant signal control system specifically comprises a control button 1, a P L C controller 2 electrically connected with the control button 1, an interface circuit 8 and a dynamic circuit 3 electrically connected with the P L C controller 2, and at least one signal relay 4.
The P L C controller 2 is used for receiving a control signal sent by a user through the control button 1 and an interlocking condition signal of the interface circuit 8, and determining whether to send a pulse dynamic control signal to the dynamic circuit 3 according to an interlocking judgment logic of the interlocking condition signal, the dynamic circuit 3 is used for sending a static control signal to the corresponding signal relay 4 according to the pulse dynamic control signal, and the signal relay 4 is used for controlling the corresponding plant annunciator 5 to work according to the static control signal.
The signal relay 4 is electrically connected with a corresponding plant annunciator 5 and can control the plant annunciator 5 to work, the traditional electric relay control mode adopted in the prior art cannot meet the implementation integration control requirements provided by some enterprises, for example, interface circuit control requirements such as adding an electric rolling door to a gate of an in-and-out plant, adding an in-and-out vehicle alarm to the gate, setting a shaft counting circuit in an approach section and the like need to be improved, the existing relay circuit structure is required to be improved, the cost is high, and the flexibility is poor.
It can be understood that, this application is through being provided with P L C controller 2, the one end and the control button 1 and the interface circuit 8 electricity of P L C controller 2 are connected for receive the control signal that the user sent and the interlock signal of interface circuit 8, the other end of P L C controller 2 passes through dynamic circuit 3 and is connected with at least one signal relay 4, according to the interlock judgement logic of interlock condition signal confirms whether according to the control signal to send pulse dynamic control signal to dynamic circuit 3, dynamic circuit 3 and then according to pulse dynamic control signal to corresponding signal relay 4 sends static control signal, so that signal relay 4 is used for according to static control signal control corresponds the work of factory building semaphore 5.
In a specific example, 2 open signal control buttons and 2 close signal control buttons are arranged on a control box and are respectively electrically connected with a P L C controller 2, the P L C controller 2 is externally connected with two signal relays 4 which are respectively a first signal relay and a second signal relay, the first signal relay is electrically connected with a first plant signal machine, and the second signal relay is electrically connected with a second plant signal machine, because the P L C controller 2 is electrically connected with the interface circuit 8, through a preset state scanning program in the P L C controller 2, the P L C controller 2 can scan an interlocking condition signal of the interface circuit 8 according to a set frequency, for example, at the moment, an electric door entering and exiting the plant is in a closed state, that is, the interface circuit of the electric door is in an open state, if a user passes through the open signal control button corresponding to the first plant signal machine on the control box, an open signal control signal is sent to the P L C controller 2, and the interlocking signal control of the interlocking door entering and exiting the plant door is not in an open state until the interlocking signal control of the interlocking door of the first plant door (for example, the interlocking signal control signal relay is in a state of the interlocking door when the interlocking door is opened door, the interlocking signal control logic control program stored in the interlocking control logic L C controller 2).
It can be understood that the dynamic circuit 3 can be an existing circuit which outputs signals only when a certain condition is met, for example, the existing circuit can be driven only when a dynamic signal with a certain pulse frequency is received, and the dynamic signal is converted into a static signal to be output outwards, and by arranging the dynamic circuit 3 to connect the P L C controller 2 and the signal relay 4, the source of the static control signal transmitted to the signal relay 4 can be ensured to be real and reliable, and the situation that the static control signal is sent to the corresponding signal relay 4 according to an error or interference signal and the plant signal machine 5 is controlled by the error to generate a production safety accident can be avoided.
It can be known from the above description that according to the triggering alarm device provided in the embodiment of the present application, the P L C controller 2 is set to receive the control signal sent by the user through the control button 1 and the interlock condition signal of the interface circuit 8, and the P L C controller 2 is electrically connected with the signal relay 4 through the dynamic circuit 3, and can determine whether to send the pulse dynamic control signal to the dynamic circuit 3 according to the interlock judgment logic operation result of the interlock condition signal, so that the dynamic circuit 3 sends the static control signal to the corresponding signal relay 4 according to the pulse dynamic control signal, and makes the signal relay 4 control the corresponding plant annunciator 5 to work according to the static control signal, so as to flexibly, accurately and conveniently realize the interlock control of multiple devices, and improve the safety, reliability and automation degree of the plant signal control.
In a preferred embodiment, the interface circuit 8 is further electrically connected to the P L C controller 2, and the P L C controller 2 acquires the on/off state of the interface circuit 8 at regular time.
It can be understood that, since the P L C controller 2 is electrically connected to the interface circuit 8, through a state scanning program preset in the P L C controller 2, the P L C controller 2 can scan an interlocking condition signal of the interface circuit 8 according to a set frequency, for example, when the electric rolling door entering and exiting the plant gate is in a closed state, that is, the interface circuit of the electric rolling door is in an open state, if a user sends an opening signal control signal to the P L C controller 2 through an opening signal control button 1 corresponding to a first plant annunciator on a control box, and according to an interlocking control logic program stored in the P L C controller 2 in advance (for example, the first plant annunciator must open a traffic signal when the electric rolling door entering and exiting the plant gate is in an open state), the P L C controller 2 cannot send the opening signal control signal to the first signal relay, so as to implement interlocking control of the plant annunciator 5.
Referring to fig. 3 and 4, as a preferred embodiment, a first terminal of the signal relay 4 is connected to a power supply, a second terminal of the signal relay 4 is electrically connected to the go indicating lamp 71, a third terminal of the signal relay 4 is electrically connected to the no-go indicating lamp 72, the go indicating lamp 71 is conducted to the power supply when the first terminal and the second terminal of the signal relay 4 are connected, and the no-go indicating lamp 72 is conducted to the power supply when the first terminal and the third terminal of the signal relay 4 are connected.
As a preferred embodiment, the second terminal of the signal relay 4 is further electrically connected to a pass signal lamp 51 of the plant signal 5, the third terminal of the signal relay 4 is further electrically connected to a disable signal lamp 52 of the plant signal 5, when the first terminal and the second terminal of the signal relay 4 are connected, the pass signal lamp 51 is conducted with the power supply, and when the first terminal and the third terminal are connected, the disable signal lamp 52 is conducted with the power supply.
It is understood that the pass indicating lamp 71 and the no-pass indicating lamp 72 can be arranged on the control box, the plant signal 5 can be arranged on the left side of the railway line of the plant entrance, the pass indicating lamp 71 and the pass signal lamp 51 can be green, the no-pass indicating lamp 72 and the no-pass signal lamp 52 can be red, and when the user presses the control button 1 for controlling the on signal, the signal relay 4 is used for controlling the circuit connection of the operation of the pass signal lamp 51 of the plant signal 5, the pass indicating lamp 71 and the pass signal lamp 51 are operated; when a user presses the control button 1 for controlling the off signal and the signal relay 4 is used for controlling the connection of the circuit of the operation of the forbidden signal lamp 52 of the plant signal machine 5, the forbidden indication lamp 72 and the forbidden signal lamp 52 operate.
Referring to fig. 3 and 4, as a preferred embodiment, the filament relay 7 is connected in series between the power supply and the signal relay 4, the signal relay 4 and the filament relay 7 are both electromagnetic relays, a first end of the filament relay 7 is connected to the power supply, a second end of the filament relay 7 is electrically connected to a first end of the signal relay 4, a third end of the filament relay 7 is connected to the fault indication lamp 73, when the go signal lamp 51 or the no-go signal lamp 52 operates, the first end and the second end of the filament relay 7 are conducted, when the go signal lamp 51 or the no-go signal lamp 52 operates abnormally (for example, the filament is broken), the first end and the third end of the filament relay 7 are conducted, and the fault indication lamp 73 is conducted to the power supply.
It will be appreciated that the fault indicating lamp 73 is provided on the control box, the fault indicating lamp 73 may be yellow, is used for indicating that the plant signal machine 5 is in a fault state (filament breakage), and specifically, the filament relay 7 electrically connected with the fault indicating lamp 73 is an electromagnetic relay capable of controlling the on-off of a plurality of circuits, the filament relay 7 is connected in series in a circuit for controlling the work of the plant signal machine 5 by the signal relay 4, if the circuit is disconnected, that is, the signal relay 4 controls the work of the plant annunciator 5, and the circuit is not switched on due to the fault (filament breakage) of the plant annunciator 5, at this moment, the magnetic induction coil in the filament relay 7 is switched off due to loss of magnetism, the coil is switched off, the magnetic contact of the filament relay 7 is further switched on another circuit, namely, the circuit connected with the fault indicating lamp 73 is switched on, and the fault indicating lamp 73 works.
Referring to fig. 2, as a preferred embodiment, the system further includes a display module 6 electrically connected to the P L C controller 2, and a power supply circuit and a voltage regulator circuit connected to the P L C controller 2, wherein the display module 6 may be a text display of TD400C type, and the text display may be disposed on a control box, the power supply circuit is configured to provide operating power for the whole plant signal system, and the voltage regulator circuit is configured to perform voltage regulation filtering on the system input voltage 220V.
Referring to fig. 4, as a preferred embodiment, a plant signal lamp is arranged on the plant signal machine 5, the plant signal machine 5 is electrically connected with one end of a branch cable box, and the other end of the branch cable box is electrically connected with the signal relay 4 through a signal cable.
Referring to fig. 2, as a preferred embodiment, a first end of the control button 1 is connected to a power supply, and a second end of the control button 1 is connected to a control signal receiving pin of the P L C controller 2.
Alternatively, the control button 1 is disposed on a control box, and the control button 1 may be an existing signal transmitting device capable of transmitting a fixed signal according to a pressing operation of a user.
The above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. Any person skilled in the art should also realize that such equivalent changes and modifications can be made without departing from the spirit and principles of the present invention.
Claims (10)
1. The plant signal control system is characterized by comprising a control button, a P L C controller electrically connected with the control button, an interface circuit and a dynamic circuit electrically connected with the P L C controller, and at least one signal relay, wherein the signal relay is electrically connected with the dynamic circuit and a plant signal machine;
the P L C controller is used for receiving a control signal sent by a user through the control button and an interlocking condition signal of the interface circuit, and determining whether to send a pulse dynamic control signal to the dynamic circuit according to the interlocking condition signal, the dynamic circuit is used for sending a static control signal to the corresponding signal relay according to the pulse dynamic control signal, and the signal relay is used for controlling the corresponding plant signal machine to work according to the static control signal.
2. The plant signal control system of claim 1, wherein the interface circuit is further electrically connected to the P L C controller, and the P L C controller is configured to periodically obtain the on/off status of the interface circuit.
3. The plant signal control system according to claim 1, wherein a first terminal of the signal relay is connected to a power supply, a second terminal of the signal relay is electrically connected to a go indication lamp, and a third terminal of the signal relay is electrically connected to a no-go indication lamp, wherein the go indication lamp is connected to the power supply when the first terminal and the second terminal of the signal relay are connected, and the no-go indication lamp is connected to the power supply when the first terminal and the third terminal of the signal relay are connected.
4. The plant signal control system according to claim 3, wherein the second terminal of the signal relay is further electrically connected to a pass signal lamp of the plant signal machine, the third terminal of the signal relay is further electrically connected to a no-go signal lamp of the plant signal machine, when the first terminal and the second terminal of the signal relay are connected, the pass signal lamp is connected to a power supply, and when the first terminal and the third terminal are connected, the no-go signal lamp is connected to the power supply.
5. The plant signal control system of claim 4, further comprising a filament relay connected in series between the power supply and the signal relay, wherein a first end of the filament relay is connected to the power supply, a second end of the filament relay is electrically connected to the first end of the signal relay, a third end of the filament relay is connected to a fault indicator, when the go signal lamp or the no-go signal lamp works, the first end and the second end of the filament relay are connected, when the go signal lamp or the no-go signal lamp works abnormally, the first end and the third end of the filament relay are connected, and the fault indicator is connected to the power supply.
6. The plant signal control system of claim 5, wherein the signal relay and the filament relay are both electromagnetic relays.
7. The plant signal control system of claim 1, further comprising a display module electrically connected to the P L C controller.
8. The plant signal control system of claim 1, further comprising a power supply circuit and a voltage regulator circuit connected to the P L C controller.
9. The plant signal control system according to claim 1, wherein a plant signal lamp is arranged on the plant signal machine, the plant signal machine is electrically connected with one end of a branch cable box, and the other end of the branch cable box is electrically connected with the signal relay through a signal cable.
10. The plant signal control system of claim 1, wherein a first end of the control button is connected to a power supply, and a second end of the control button is connected to a control signal receiving pin of the P L C controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922034521.XU CN211086979U (en) | 2019-11-22 | 2019-11-22 | Plant signal control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922034521.XU CN211086979U (en) | 2019-11-22 | 2019-11-22 | Plant signal control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211086979U true CN211086979U (en) | 2020-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922034521.XU Active CN211086979U (en) | 2019-11-22 | 2019-11-22 | Plant signal control system |
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|---|---|
| CN (1) | CN211086979U (en) |
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- 2019-11-22 CN CN201922034521.XU patent/CN211086979U/en active Active
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