CN217880553U

CN217880553U - Cement plant unloading shed traffic signal lamp control system

Info

Publication number: CN217880553U
Application number: CN202221665189.2U
Authority: CN
Inventors: 吴志国; 徐刚; 储菲菲; 张伟; 李钱军; 陈金丹; 杨洁
Original assignee: Anhui Conch Construction Materials Design Institute Co Ltd
Current assignee: Anhui Conch Construction Materials Design Institute Co Ltd
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2022-11-22
Anticipated expiration: 2032-06-29

Abstract

The utility model discloses a traffic signal lamp control system for an unloading shed of a cement plant, which comprises an infrared sensor H, wherein the infrared sensor H is arranged in the unloading shed and used for sensing vehicles in the unloading shed, and the infrared sensor H respectively drives a red indicator lamp L2 and a green indicator lamp L1 to be lightened according to recognized vehicle signals; and the red indicator light L2 and the green indicator light L1 are both arranged at the entrance of the unloading shed. The utility model has the advantages that: the control of the passing in and out of the unloading shed is given by adopting red and green signals, so that the safety and the reliability of the unloading shed for passing in and out of the vehicle are ensured, accidents are avoided, and the safety of unloading and passing is ensured; can light through infrared mode automatic control traffic lights, also can send control signal through long-range DCS and control, realize automatic, long-range manual multiple control mode, the field operation of being convenient for, remote control have improved the security of unloading.

Description

Traffic signal lamp control system for cement plant unloading shed

Technical Field

The utility model relates to a cement plant management field of unloading, in particular to multi-functional cement plant traffic signal lamp control system.

Background

The unloading of the raw coal is an important process for cement production, and the timely, safe and orderly unloading of the raw coal is very important. In the prior art, raw coal unloading is generally carried out in an unloading shed, but the environment in the unloading shed cannot be judged on site, and whether the raw coal can enter the unloading shed or not cannot be informed, so that vehicles in many cases are blocked at the door of the unloading shed or potential safety hazards are caused. In the prior art, traffic jam, extrusion and safety accidents are easy to occur only by relying on human command or judgment of a driver.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a multi-functional cement plant traffic signal lamp control system, realize through red green signal lamp and to unloading the business turn over command of bicycle shed, ensured that the vehicle of unloading is safe current in order, improved the security of unloading.

In order to achieve the purpose, the invention adopts the technical scheme that: a traffic signal lamp control system for an unloading shed of a cement plant comprises an infrared sensor H, wherein the infrared sensor H is arranged in the unloading shed and used for sensing vehicles in the unloading shed, and the infrared sensor H respectively drives a red indicator lamp L2 and a green indicator lamp L1 to be turned on according to recognized vehicle signals; and the red indicator light L2 and the green indicator light L1 are both arranged at the entrance of the unloading shed.

The control system also comprises relays K3 and K4, and the relays K3 and K4 control whether the red indicator light L2 and the green indicator light L1 are turned on or not through contacts.

The output end of the infrared inductor H is respectively connected with a coil of the relay K3 and a coil of the relay K4 and is used for driving the relays K3 and K4 to be switched on and off; one end of a normally open contact K31 of the relay K3 is connected with the positive electrode of a power supply, and the other end of the normally open contact K31 is connected with the ground of the power supply through a coil of the relay K10; one end of a normally open contact K41 of the relay K4 is connected with the positive electrode of a power supply, and the other end of the normally open contact K41 is connected with the negative electrode of the power supply through a coil of the relay K20; a normally open contact K101 of the relay K10 is connected in series in a power supply loop of the green indicator light L1; and a normally open contact K201 of the relay K20 is connected in series in a power supply loop of the red indicator light L2.

The control system also comprises a field indicator lamp HL1 and a field indicator lamp LH2, and a normally open contact K202 of the relay K20 is connected in series in a power supply loop of the field indicator lamp HL 2; and a normally open contact K102 of the relay K10 is connected in series in a power supply loop of the field indicator lamp HL 1.

The field indicator lamp HL1 and the field indicator lamp LH2 are arranged in a field monitoring room.

The control system further comprises a change-over switch S4, wherein the input end of the change-over switch S4 is connected with the positive electrode of a power supply, and the output terminal b of the change-over switch S4 is connected with the power supply end of the infrared inductor H; the output terminal a of the relay is connected to one end of a relay K10 coil through a normally open contact K011 of the relay K01, and the other end of the relay K10 coil is connected with a power supply negative; the output terminal a is connected to one end of a coil of the relay K20 through a normally open contact K021 of the relay K02, and the other end of the coil of the relay K20 is connected with a power supply; the remote DCS system is used for driving and controlling the relay K01 and the relay K02.

A driving output port of the DCS is respectively connected to coils of the relays K1 and K2 and used for driving the coils of the relays K1 and K2 to be switched on and switched off; one end of a normally open contact K11 of the relay K1 is connected with a 24VDC output port COM1 of the DCS system, and the other end of the normally open contact K11 is connected with a 0VDC terminal COM3 through a coil of the relay K01; one end of a normally open contact K21 of the relay K2 is connected with a 24VDC output port COM2 of the DCS system, and the other end of the normally open contact K21 is connected with a 0VDC terminal COM3 through a coil of the relay K02.

The direct current power supply is connected to a ready port of the DCS through a normally open contact K01 of a relay K0, connected to an RUN port through a normally open contact K103 of a relay K10 and connected to a stop port of the DCS through a normally open contact K203 of a relay K20.

The control system further comprises buttons S1 and S2, wherein the button S1 is connected to two ends of the normally open contact K021 in parallel, and the button S2 is connected to two ends of the normally open contact K011 in parallel.

The button S11 interlocked with the button S1 switch is connected in series between the output port a and the K011; the button S21 interlocked with the button S2 switch is connected in series between the output port a and the K021.

The utility model has the advantages of: the control of the passing in and out of the unloading shed is given by adopting red and green signals, so that the safety and the reliability of the unloading shed for passing in and out of the vehicle are ensured, accidents are avoided, and the safety of unloading and passing is ensured; can light through infrared mode automatic control traffic lights, also can send control signal through long-range DCS and control, realize automatic, long-range manual multiple control mode, the field operation of being convenient for, remote control have improved the security of unloading.

Drawings

The contents of the expressions in 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 DCS system of the present invention;

fig. 2 is the field schematic diagram of the control system of the utility model.

Detailed Description

The following description of preferred embodiments of the invention will be made in further detail with reference to the accompanying drawings.

The scheme is based on the conventional project of the cement plant, raw coal unloading is optimized, the environment in the unloading shed cannot be judged on site, the unloading is proper when the unloading is carried out, and vehicles or people pass by mistake during the unloading. After this optimization, whether the scene can be through the interior environment of pilot lamp colour rapid judgement unloading canopy and whether suitable unloading to and whether can pass, guaranteed the security of unloading and passing, can also long-range DCS active control through infrared detection automatic control signal lamp. The specific scheme is as follows:

the traffic signal lamp control system for the unloading shed of the cement plant comprises an infrared sensor H, wherein the infrared sensor H is arranged in the unloading shed and used for sensing vehicles in the unloading shed, and the infrared sensor H respectively drives a red indicator lamp L2 and a green indicator lamp L1 to be turned on according to recognized vehicle signals; and the red indicator light L2 and the green indicator light L1 are arranged at the entrance of the unloading shed.

The infrared inductor H comprises an infrared detector and a control chip, the input end of the control chip is connected with the infrared detector, the infrared detector is arranged in the unloading shed and used for detecting whether a vehicle exists in the shed, and the control chip drives one of the indicator lamps L1 or L2 to light according to whether the detected vehicle exists. The control chip generally adopts a 51-series single chip microcomputer, the cost is simple, and the driving relays K3 and K4 are convenient and simple.

In the application, relays K3, K4, K10 and K20 are adopted to drive red and green indicating lamps L1 and L2 to be lighted or not. The relays K3 and K4 control whether the red indicator light L2 and the green indicator light L1 are turned on or not through contacts. As shown in fig. 2, the output end of the infrared inductor H is connected to the coil of the relay K3 and the coil of the relay K4, respectively, and is used for driving the relays K3 and K4 to be powered on and powered off; one end of a normally open contact K31 of the relay K3 is connected with the positive electrode of the power supply, and the other end of the normally open contact K31 is connected with the power supply ground through a coil of the relay K10; one end of a normally open contact K41 of the relay K4 is connected with the positive electrode of the power supply, and the other end of the normally open contact K41 is connected with the negative electrode of the power supply through a coil of the relay K20; a normally open contact K101 of the relay K10 is connected in series in a power supply loop of the green indicator light L1; the normally open contact K201 of the relay K20 is connected in series in the power supply loop of the red indicator light L2. The power supply loops of L1 and L2 respectively refer to power supply loops formed by connecting an alternating current power supply with the alternating current power supply. The drives K3 and K4 of the infrared inductor H are driven and controlled by a control chip singlechip.

When the infrared detection shows that a vehicle is in the unloading shed, the infrared inductor H drives the relay K4 to be electrified, and the relay K3 is not electrified; after the K4 is electrified, K41 is closed, K20 is electrified, K201 is closed after the K20 is electrified, L2 is electrified to work, and a red indicator light is given to show that a vehicle cannot enter a shed at the moment and needs to wait; and otherwise, K3 is electrified, K31 is closed, K10 is electrified, K101 is closed, L1 is electrified, a red indicator light is given, and the situation that no vehicle can enter the shed at the moment is shown.

In a preferred embodiment, a field indicator lamp HL1 and a field indicator lamp LH2 are arranged, and a normally open contact K202 of a relay K20 is connected in series in a power supply loop of the field indicator lamp HL 2; the normally open contact K102 of the relay K10 is connected in series in a power supply loop of the field indicator lamp HL 1. The field indicator lights HL1 and HL2 are used for indicating the states of traffic lights outside, and can be arranged in a field monitoring room or other monitoring positions. The preferred indicator lamp HL1 and the spot indicator lamp LH2 are located in a field monitoring room.

In another preferred embodiment, the present application provides a remote control function, the automatic infrared control and the remote control are switched by a switch S4, as shown in fig. 2, an input end of the switch S4 is connected to a positive electrode of a power supply, and an output terminal b thereof is connected to a power supply end of an infrared inductor H; the output terminal a of the relay is connected to one end of a relay K10 coil through a normally open contact K011 of the relay K01, and the other end of the relay K10 coil is connected with a power supply negative; the output terminal a is connected to one end of a coil of the relay K20 through a normally open contact K021 of the relay K02, and the other end of the coil of the relay K20 is connected with a power supply; the remote DCS system is used for driving and controlling the relay K01 and the relay K02. A driving output port of the DCS is respectively connected to coils of the relays K1 and K2 and used for driving the coils K1 and K2 to be switched on and off; one end of a normally open contact K11 of the relay K1 is connected with a 24VDC output port COM1 of the DCS system, and the other end of the normally open contact K11 is connected with a 0VDC terminal COM3 through a coil of the relay K01; one end of a normally open contact K21 of the relay K2 is connected with a 24VDC output port COM2 of the DCS system, and the other end of the normally open contact K21 is connected with a 0VDC terminal COM3 through a coil of the relay K02.

At the DCS end, if remote control is needed, S4 is selected to be remote, the infrared inductor is powered off and cannot work, the control is switched to the remote DCS control end, the DCS can drive K1 and K2 to achieve on-off control of K01 and K02, then K011 and K021 closing control is achieved to achieve K10 and K20 on-off control, lighting of L1 and L2 is controlled, and remote DCS control is achieved.

The DCS terminal also provides a state detection loop, the specific circuit of the state detection loop is shown in fig. 1, and a direct-current power supply is connected to a ready port of the DCS system through a normally open contact K01 of a relay K0, connected to an RUN port through a normally open contact K103 of a relay K10 and connected to a stop port of the DCS through a normally open contact K203 of a relay K20. The acquisition of remote control ready state, the lighting state of the time green indicator lamp corresponding to the RUN state and the lighting state of the time red indicator lamp corresponding to the STOP state are realized through K01, K103 and K203, so that the remote DCS acquires the field state signal.

The application also provides a manual on-site control traffic light lighting mode, which comprises buttons S1 and S2, wherein the button S1 is connected to two ends of the normally open contact K021 in parallel, and the button S2 is connected to two ends of the normally open contact K011 in parallel. A green indicator light corresponding to S2 and a red light corresponding to S1; when S2 is pressed, K10 is energized, K101 is closed, and L1 is energized to give a green indicator light.

In order to avoid that the two lamps are simultaneously lightened by simultaneously pressing the S1 and the S2, the LED lamp is provided with buttons S11 and S21 interlocked with the S1 and the S2, and the button S11 interlocked with the S1 switch is connected between an output port a and the K011 in series; the button S21 interlocked with the button S2 switch is connected in series between the output port a and the K021. Only one party can operate the interlocking site and the central control.

The red and green signal lamps are arranged above the inlets of the carports, the raw coal discharging bin is provided with a material level meter, the central control can display the material level, and the central control operator can send signal lamp driving signals by combining site comprehensive data. Meanwhile, an infrared sensor is installed on the site, the red light is on when a vehicle is sensed to pass through, and the street lamp is on when the vehicle cannot be sensed to pass through.

During central control, the central control sends out a driving signal, a coil of the relay K1 is electrified, meanwhile, a normally open contact of the relay K1 is closed, a coil of the relay K01 is electrified, meanwhile, the normally open contact of the relay K01 is closed, a coil of the relay K10 is electrified, meanwhile, the normally open contact of the relay K10 is closed, a green signal lamp is on to indicate that the vehicle can pass, and meanwhile, a signal is fed back to the central control; well accuse is sent drive signal again, and relay "K2" coil is got electricity, and "K2" normally open contact is closed simultaneously, and relay "K02" coil is got electricity, and "K02" normally open contact is closed simultaneously, and relay "K20" coil is got electricity, and simultaneously "K20" normally open contact is closed, and red signal lamp is bright, shows to forbid current, and signal feedback is to well accuse simultaneously.

The field attendant can also operate, when the attendant judges that the field can pass, the attendant presses the S2 button, the K10 coil of the relay is electrified, meanwhile, the K10 normally open contact is closed, the green signal lamp is on to show that the field can pass, and meanwhile, the signal is fed back to the central control; when the person on duty judges that the field can not pass, the S1 button is pressed, the K02 coil of the relay is electrified, the K02 normally open contact is closed, the K20 coil of the relay is electrified, the K20 normally open contact is closed, the red signal lamp is on, the passing is forbidden, and the signal is fed back to the central control.

During infrared induction, when a vehicle is induced to pass, a coil of the relay K4 is electrified, meanwhile, a normally open contact of the K4 is closed, a coil of the relay K20 is electrified, meanwhile, the normally open contact of the K20 is closed, and a red signal lamp is turned on to indicate that the vehicle is forbidden to pass; when the response can not reach the car and pass through, relay "K3" coil is got electric, and "K3" normally open contact is closed simultaneously, and relay "K10" coil is got electric, and "K10" normally open contact is closed simultaneously, and green signal lamp is bright, shows that can pass.

It is clear that the specific implementation of the invention is not restricted to the above-described embodiments, but that various insubstantial modifications of the inventive process concept and technical solutions are within the scope of protection of the invention.

Claims

1. The utility model provides a cement plant shed traffic signal lamp control system which characterized in that: the control system comprises an infrared sensor H, the infrared sensor H is arranged in the unloading shed and used for sensing vehicles in the unloading shed, and the infrared sensor H respectively drives a red indicator light L2 and a green indicator light L1 to be turned on according to recognized vehicle signals; and the red indicator light L2 and the green indicator light L1 are both arranged at the entrance of the unloading shed.

2. The traffic signal lamp control system for the unloading shed of the cement plant as set forth in claim 1, wherein: the control system further comprises relays K3 and K4, and the relays K3 and K4 control whether the red indicator light L2 and the green indicator light L1 are lighted or not through contacts.

3. The traffic signal lamp control system for the unloading shed of the cement plant as set forth in claim 2, wherein: the output end of the infrared inductor H is respectively connected with a coil of the relay K3 and a coil of the relay K4 and is used for driving the relays K3 and K4 to be switched on and off; one end of a normally open contact K31 of the relay K3 is connected with the positive electrode of the power supply, and the other end of the normally open contact K31 is connected with the power supply ground through a coil of the relay K10; one end of a normally open contact K41 of the relay K4 is connected with the positive electrode of a power supply, and the other end of the normally open contact K41 is connected with the negative electrode of the power supply through a coil of the relay K20; a normally open contact K101 of the relay K10 is connected in series in a power supply loop of the green indicator light L1; and a normally open contact K201 of the relay K20 is connected in series in a power supply loop of the red indicator light L2.

4. The traffic light control system for the unloading shed of a cement plant as set forth in claim 3, wherein: the control system further comprises a field indicator lamp HL1 and a field indicator lamp LH2, and a normally open contact K202 of the relay K20 is connected in series in a power supply loop of the field indicator lamp HL 2; and a normally open contact K102 of the relay K10 is connected in series in a power supply loop of the field indicator lamp HL 1.

5. The traffic signal lamp control system for the unloading shed of the cement plant as set forth in claim 4, wherein: the field indicator lamp HL1 and the field indicator lamp LH2 are arranged in a field monitoring room.

6. The traffic light control system for the unloading shed of the cement plant as set forth in any one of claims 1 to 4, wherein: the control system further comprises a change-over switch S4, wherein the input end of the change-over switch S4 is connected with the positive electrode of a power supply, and the output terminal b of the change-over switch S4 is connected with the power supply end of the infrared inductor H; the output terminal a of the relay is connected to one end of a relay K10 coil through a normally open contact K011 of the relay K01, and the other end of the relay K10 coil is connected with a power supply negative; the output terminal a is connected to one end of a coil of the relay K20 through a normally open contact K021 of the relay K02, and the other end of the coil of the relay K20 is connected with a power supply; the remote DCS system is used for driving and controlling the relay K01 and the relay K02.

7. The traffic signal lamp control system for the unloading shed of the cement plant as set forth in claim 6, wherein: the driving output port of the DCS is respectively connected to the coils of the relays K1 and K2 and is used for driving the K1 and K2 coils to be switched on and off; one end of a normally open contact K11 of the relay K1 is connected with a 24VDC output port COM1 of the DCS system, and the other end of the normally open contact K11 is connected with a 0VDC terminal COM3 through a coil of the relay K01; one end of a normally open contact K21 of the relay K2 is connected with a 24VDC output port COM2 of the DCS system, and the other end of the normally open contact K21 is connected with a 0VDC terminal COM3 through a coil of the relay K02.

8. The traffic signal lamp control system for the unloading shed of the cement plant as set forth in claim 7, wherein: the direct current power supply is connected to a ready port of the DCS through a normally open contact K01 of a relay K0, connected to an RUN port through a normally open contact K103 of a relay K10 and connected to a stop port of the DCS through a normally open contact K203 of a relay K20.

9. The traffic signal lamp control system for the unloading shed of the cement plant as set forth in claim 8, wherein: the control system further comprises buttons S1 and S2, wherein the button S1 is connected to two ends of the normally open contact K021 in parallel, and the button S2 is connected to two ends of the normally open contact K011 in parallel.

10. The traffic signal lamp control system for the unloading shed of the cement plant as set forth in claim 9, wherein: the button S11 interlocked with the button S1 switch is connected in series between the output port a and the K011; the button S21 interlocked with the button S2 switch is connected in series between the output port a and the K021.