CN207503011U - A kind of warehouse Intelligent-counting on-line detecting system based on PLC - Google Patents

Abstract

The utility model discloses a kind of warehouse Intelligent-counting on-line detecting systems based on PLC, are related to warehouse intelligent management technical field.The warehouse Intelligent-counting on-line detecting system based on PLC, including space framework, transmission mechanism, sliding equipment, driving mechanism and PLC control system, the cargo height in cargo storage area is detected by the ranging detection module set on sliding equipment, and feed back to PLC control system, the cargo number that PLC control system can obtain entire cargo storage area total items and often arrange according to the height of single cargo and the number of rows of detection, without manually being counted, make the storage condition of the understanding articles from the storeroom of storekeeper personnel promptly and accurately, economic loss caused by avoiding miscount, it is also aware that there are rest positions at warehouse which position simultaneously, convenient newly putting into cargo, make storehouse management more intelligent and simple.

Description

A kind of warehouse Intelligent-counting on-line detecting system based on PLC

Technical field

The utility model belongs to warehouse intelligent management technical field more particularly to a kind of warehouse Intelligent-counting based on PLC On-line detecting system.

Background technology

Automatic stored development, is used widely rapidly in warehousing industry, automatic stored to have very wide prospect.Storehouse The accurate counting of cargo is stored and is sold critically important to articles from the storeroom in library.In recent years, warehouse system was constantly developing, right The storage condition of cargo, stacking form certain standard.But for articles from the storeroom counting in terms of or artificial counting, This has resulted in miscount caused by being influenced by factors such as the experiences, visual fatigue, sense of responsibility of people, is made in cargo outbound Into quantity mistake so that existing physicals quantity and the quantity of record are on not, causing huge economic loss.

Based on this, the utility model proposes a kind of warehouse Intelligent-counting on-line detecting system based on PLC, for warehouse It stores cargo and carries out on-line real time monitoring, storekeeper personnel is made to understand the storage situation of goods in stock in real time, prevent because of cargo frequency It is inaccurate that numerous flowing causes data to be grasped, and cargo is caused to leak into or economic loss that is more and then generating.

Utility model content

In view of the deficiencies of the prior art, the utility model provides a kind of warehouse Intelligent-counting on-line checking system based on PLC System.

The utility model is to solve above-mentioned technical problem by the following technical solutions：A kind of warehouse based on PLC Intelligent-counting on-line detecting system, including space framework, transmission mechanism, sliding equipment, driving mechanism and PLC control system； The output terminal of the PLC control system is connect with the input terminal of the driving mechanism, the output terminal of the driving mechanism with it is described Transmission mechanism connects；The transmission mechanism is crossed on the opposite sides at the top of the space framework, and the sliding equipment is crossed on Another opposite sides at the top of the space framework, and the sliding equipment is in contact with the transmission mechanism, rubs in contact Sliding equipment reciprocatingly slides under the action of power；Being arranged side by side on the sliding equipment has multiple ranging detection modules, and Ranging detection module is corresponding with cargo storage position；The ranging detection module and the input terminal of the PLC control system connect It connects；

Under the control of the PLC control system, driving mechanism drives transmission mechanism action, so as to which sliding equipment be driven to exist The top of the space framework is reciprocating, the goods of corresponding deposit position inside the ranging detection module detection space framework Object height, and be transmitted to the PLC control system and handled, the quantity of cargo storage is obtained according to the height of each cargo.

Further, the transmission mechanism is pulley gear, and the pulley gear includes belt pulley sheet Body and belt, the belt are connected on the peripheral surface of the pulley body, the central shaft of the pulley body with it is described The output terminal connection of driving mechanism, the belt are in contact with the sliding equipment；The pulley body is arranged on described vertical The opposite sides of body frame roof.

Further, the sliding equipment includes guide rail, sliding block and connecting rod；Opposite two at the top of the space framework The guide rail has been symmetrically arranged on the crossbeam of side；Slidably connect the sliding block respectively on guide rail；The sliding block and cunning It is connected between block by connecting rod；Multiple ranging detection modules, the connection have been arranged side by side in the upper surface of the connecting rod The lower surface of bar is in contact with the transmission mechanism.

Further, the driving mechanism is stepper motor, and the stepper motor passes through motor-drive circuit and the PLC The output terminal connection of control system.

Further, the stepper motor use stepper motor with encoder, PLC control system send out pulse signal to Motor-drive circuit, motor-drive circuit provides corresponding electric current for stepper motor makes its operation, and encoder detects stepping electricity Machine sends out feedback signal to PLC control system when running to the position for needing to reach, and PLC control system stops according to feedback signal Pulse signal is sent, makes stepper motor out of service, current location is ceaselessly fed back by encoder to PLC control system, is made The angle that PLC control system is rotated according to value of feedback and desired value adjustment rotor.

Further, the PLC control system includes PLC controller, single-chip minimum system, display screen, operation button And power module；The PLC controller respectively with the single-chip minimum system, display screen, operation button and power supply mould Block connects；The power module is also connect with the single-chip minimum system, display screen respectively, for being provided for each circuit module Power supply；The ranging detection module is connect by the single-chip minimum system with the PLC controller；The PLC controller Output terminal connect with the input terminal of the driving mechanism.

Further, the operation button includes start button, stop button and scram button.

Further, the PLC control system is further included close to switch and intermediate relay；It is described to pass through institute close to switch Intermediate relay is stated to connect with the PLC controller；The close switch and intermediate relay are each close to open including multiple Close a corresponding intermediate relay；The both ends that sliding block is separately positioned on close to switch.

Further, the single-chip minimum system, power module, motor-drive circuit and intermediate relay are respectively provided with In switch board；The operation button is arranged in the cabinet door of the switch board, and finger is additionally provided in the cabinet door of the switch board Show lamp, the indicator light is connect with the PLC controller.

Compared with prior art, the warehouse Intelligent-counting on-line detecting system provided by the utility model based on PLC, packet Space framework, transmission mechanism, sliding equipment, driving mechanism and PLC control system are included, passes through the ranging set on sliding equipment Detection module is detected the cargo height in cargo storage area, and feeds back to PLC control system, and PLC control system is according to list The cargo number that the height of a cargo and the number of rows of detection can obtain entire cargo storage area total items and often arrange, and nothing It need to manually be counted, make the storage condition of the understanding articles from the storeroom of storekeeper personnel promptly and accurately, avoid miscount and cause Economic loss, while be also aware which position of warehouse there are rest position, convenient newly putting into cargo makes storehouse management more Add intelligent and simple；The utility model is driven by stepper motor drive transmission device, between transmission mechanism and sliding equipment Under the action of frictional force, sliding equipment is driven to move back and forth, so as to make each position of the detection of ranging detection module by rows Cargo height, not only achieved the purpose that all freight detections in warehouse, but also reduce the use number of ranging detection module, reduce Cost；Stepper motor is the stepper motor of device to be encoded, PLC control system is made to control stepping by the feedback signal of encoder The rotating speed of motor, so as to control the movement speed of sliding equipment；The detecting system accuracy of detection of the utility model is high, equipment installation Convenient, maintenance cost is low, low cost, has very high practical value, suitable for promoting on a large scale.

Description of the drawings

It, below will be to needed in embodiment description in order to illustrate more clearly of the technical solution of the utility model Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only one embodiment of the utility model, for For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings Attached drawing.

Fig. 1 is a kind of structure diagram of the warehouse Intelligent-counting on-line detecting system based on PLC of the utility model；

Fig. 2 is the structure diagram of the utility model PLC control system；

Wherein：1- columns, 2- crossbeams, the storage area of 3- cargos, 4- belts, 5- guide rails, 6- sliding blocks, 7- connecting rods, 8- are solid Determine block, 9- stepper motors, 10- ranging detection modules, 11- switch boards, 12- operation buttons, 13- indicator lights.

Specific embodiment

With reference to the attached drawing in the utility model embodiment, the technical solution in the utility model is carried out clear, complete Site preparation describes, it is clear that the described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments. Based on the embodiment in the utility model, those of ordinary skill in the art are obtained under the premise of creative work is not made Every other embodiment, shall fall within the protection scope of the present invention.

As shown in Figure 1, a kind of warehouse Intelligent-counting on-line detecting system based on PLC provided by the utility model, packet Include space framework, transmission mechanism, sliding equipment, driving mechanism and PLC control system；Space framework is by more 1 Hes of root post The square cubic frame that more crossbeams 2 connect and compose, the middle cavity of space framework are the storage area 3 of cargo, cargo storage The bottom in area 3 is equipped with support plate, and cargo storage area 3 is collectively formed by support plate, column 1 and crossbeam 2, and column 1 and crossbeam 2 are made For supporting rack, using aluminium section bar material.

Transmission mechanism is pulley gear, and pulley gear includes pulley body and belt 4, and belt 4 connects It is connected on the peripheral surface of pulley body, pulley body is rotatably arranged on the longitudinal direction at the top of space framework（Or laterally）With respect to two Side makes entire pulley gear lateral（Or longitudinal direction）It is crossed on the top of space framework.Sliding equipment includes two guide rails 5th, two sliding blocks 6 and two connecting rods 7；Two guide rails 5 are respectively symmetrically fixed at the top of space framework laterally（It is or vertical To）On the crossbeam 2 of opposite sides（5 both ends of guide rail are fixed by two fixed blocks 8）；It is slidably connected respectively on two guide rails 5 There is sliding block 6；It is connected between sliding block 6 and sliding block 6 by two connecting rods 7, and two connecting rods 7 are arranged in parallel in the same plane （Ensure that ranging detection module 10 is horizontally arranged in connecting rod 7）；Upper surface between two connecting rods 7 has been arranged side by side more A ranging detection module 10, the lower surface of two connecting rods 7 are in contact with belt 4, in rubbing for belt 4 and 7 lower surface of connecting rod It wipes under power effect, band movable slider 6 is slided along guide rail 5, so as to which ranging detection module 10 be made to detect the cargo in cargo storage area 3 Highly.Pulley body is rotatably arranged on space framework longitudinal direction（Or laterally）The centre position of opposite sides, belt 4 and transverse direction （Or longitudinal direction）The guide rail 5 of opposite sides is parallel（4 length of belt is adapted with guide rail 5）, and it is vertical with connecting rod 7, make two sideslips The tractive force of block 6 is equal, ensures that two sliding blocks 6 synchronize；Ranging detection module 10 is driven to carry out cargo stacking using sliding equipment The detection of height, it is possible to reduce the usage quantity of ranging detection module 10 reduces cost.The length of guide rail 5 and cargo storage area 3 Length be adapted so that ranging detection module 10 detects cargo since first row, a to the last row avoids that there are neutral gears Area（Without cargo storage below the path that i.e. ranging detection module 10 is back and forth run）, reduce detection efficiency.

Driving mechanism uses stepper motor 9 with encoder, the output terminal of stepper motor 9 and the central shaft of pulley body Connection provides driving energy for pulley body rotation setting by stepper motor 9, its rotation is driven, thus with movable slider 6 along leading Rail 5 moves back and forth；Rotating forward, reversion and the rotor rotational angle of stepper motor 9 are controlled by PLC control system.

As shown in Fig. 2, PLC control system include PLC controller, single-chip minimum system, display screen, operation button 12 with And power module；PLC controller is connect respectively with single-chip minimum system, display screen, operation button 12 and power module；Electricity Source module is also connect with single-chip minimum system, display screen respectively, and power supply is provided for each circuit module；Ranging detection module 10 is logical It crosses single-chip minimum system to connect with PLC controller, and each ranging detection module 10 corresponds to a single-chip minimum system, it is real The now synchronization of each 10 data of ranging detection module acquisition, and synchronous transfer to PLC controller is handled.PLC controller it is defeated Outlet is connect by motor-drive circuit with the input terminal of stepper motor 9, controls the action of stepper motor 9.Display screen is using tactile Display screen is controlled, both can parameter setting be carried out by display screen（Such as the height of single cargo）, and can show testing result, The testing result includes cargo and stacks total quantity of height, the quantity of goods that each position is stacked and goods in stock etc..Behaviour Make button 12 and include start button, stop button and scram button；Start button for controlling the beginning of detection, use by stop button In the stopping of control detection, scram button is used in case of emergency control the stopping of detection, and start button passes through one first Intermediate relay and the input terminal of PLC controller connect, and make to be input to the enabling signal in PLC controller and more stablize.

PLC control system is further included close to switch and the second intermediate relay；Pass through the second intermediate relay close to switch It is connect with PLC controller；It is each to be corresponded in one second close to switch close to switch with the second intermediate relay including multiple Between relay；Be separately positioned on the both ends of each sliding block 6 close to switch, for detect sliding block 6 in reciprocatory movement whether It moves in place, when sliding block 6 moves in place（I.e. close to fixed block 8）When, letter will be approached by the second intermediate relay close to switch PLC controller number is fed back to, PLC controller controls the stopping or rotating of stepper motor 9 according to approach signal, avoids sliding More than defined position（I.e. more than the fixed block 8 at the both ends of guide rail 5）.It is controlled close to switch by the second intermediate relay and PLC The input terminal connection of device, ensure that the stabilization of input signal.

The input terminal of power module is connect with external ac power source, and output terminal passes through third intermediate relay and breaker The power end with PLC controller, touching display screen and single-chip minimum system is connect respectively, is powered for each section, and pass through Third intermediate relay and breaker realize the break-make control of power supply.

Single-chip minimum system, power module, motor-drive circuit, the first intermediate relay, the second intermediate relay, Three intermediate relays, breaker are arranged in switch board 11；Operation button 12 is arranged in the cabinet door of switch board 11, convenient Operation；Indicator light 13 is additionally provided in the cabinet door of switch board 11, indicator light 13 is connect with PLC controller；Indicator light 13 divides for red Indicator light, green indicator light and yellow indicator lamp；Red indicating light is malfunction indicator lamp, when breaking down, red instruction Lamp is bright, and green indicator light is work light, represents normal operation, and yellow indicator lamp is waits for indicator light, when ranging detects mould When block 10 carries out cargo height detection, it is progress by rows, when detecting a row, needs to wait several seconds for（3~5S）Just examine Next row is surveyed, yellow indicator lamp is bright to be represented in detection wait state；Storekeeper personnel is made to grasp this practicality by indicator light 13 new The working condition of type detecting system.Touching display screen can be arranged on the side of space framework, facilitate storekeeper personnel's arrange parameter With reading result；PLC controller can be positioned close to the bottom of the space framework of touching display screen side, facilitate installation and connect Line；Switch board 11 can be arranged on on the space framework of touching display screen homonymy, so as to switch board 11, PLC controller and touching Control the wiring between display screen.Part circuit and element are arranged in switch board 11, make whole device it is easy for installation, operation letter It is single and beautiful.

The operation principle of the warehouse Intelligent-counting on-line detecting system of the utility model：PLC controller sends out pulse signal To motor-drive circuit, motor-drive circuit provides corresponding electric current for stepper motor 9 with encoder makes its operation, so as to band Dynamic pulley gear transmission, under the action of frictional force, makes sliding block 6 be moved back and forth along guide rail 5, so as to detect ranging Module 10 detects and the cargo height of deposit position is corresponded in space framework middle cavity, and by the detection signal by microcontroller most Mini system feeds back to PLC controller, and PLC controller can be with according to the height of single cargo, detection signal and the number of rows of detection The total items of the cargo number stacked each position and the storage of entire warehouse are obtained, and are shown on touching display screen.Step Rotating forward, reversion and the rotor rotational angle of stepper motor 9 are controlled by PLC control system, when encoder detects stepper motor 9 When running to the position for needing to reach, feedback signal will be sent out to PLC controller, PLC controller stops sending out according to feedback signal Pulse signal is sent, makes stepper motor 9 out of service, current location is ceaselessly fed back by encoder to PLC controller, makes PLC The angle that controller is rotated according to feedback signal and desired value adjustment rotor, so as to control the speed of stepper motor 9 and ranging The displacement distance of detection module 10.

In the present embodiment, PLC controller selects Siemens's S7-300 PLC controllers；Single-chip minimum system is single for 51 Piece machine minimum system, microcontroller model STC89C52RC；Touching display screen is touched using 7 cun of model TPC7062KT Screen；Motor-drive circuit is the driving circuit based on the stepper motor driver chip of model TB6600；6 both ends of sliding block, often End setting one sets altogether 4 close to switch, is corresponding with 4 the second intermediate relays close to switch；Ranging detection module 10 Using distance measuring sensor, in the present embodiment, using 4 distance measuring sensors, the quantity of distance measuring sensor is with often arranging cargo storage The quantity of position is equal（I.e. often row has 4 cargo storage positions）, i.e., the goods of one distance measuring sensor one deposit position of detection Object height.

Above disclosed is only specific embodiment of the present utility model, but the scope of protection of the utility model not office It is limited to this, in the technical scope that any one skilled in the art discloses in the utility model, change can be readily occurred in Change or modification, should be covered within the scope of the utility model.

Claims (10)

1. a kind of warehouse Intelligent-counting on-line detecting system based on PLC, it is characterised in that：Including space framework, transmission mechanism, Sliding equipment, driving mechanism and PLC control system；The output terminal of the PLC control system and the input of the driving mechanism End connection, the output terminal of the driving mechanism are connect with the transmission mechanism；The transmission mechanism is crossed on the space framework The opposite sides at top, the sliding equipment are crossed on another opposite sides at the top of the space framework, and the skate machine Structure is in contact with the transmission mechanism, and sliding equipment reciprocatingly slides under the action of contact friction force；In the skate machine Being arranged side by side on structure has multiple ranging detection modules, and ranging detection module is corresponding with cargo storage position；The ranging inspection Module is surveyed to connect with the input terminal of the PLC control system；

Under the control of the PLC control system, driving mechanism drives transmission mechanism action, so as to drive sliding equipment described The top of space framework is reciprocating, and the cargo of corresponding deposit position is high inside the ranging detection module detection space framework Degree, and be transmitted to the PLC control system and handled, the quantity of cargo storage is obtained according to the height of each cargo.

2. Intelligent-counting on-line detecting system in warehouse as described in claim 1, it is characterised in that：The transmission mechanism is belt Wheel transmission device, the pulley gear include pulley body and belt, and the belt is connected to the belt pulley sheet On the peripheral surface of body, the central shaft of the pulley body is connect with the output terminal of the driving mechanism, the belt with it is described Sliding equipment is in contact；The pulley body is arranged on the opposite sides at the top of the space framework.

3. Intelligent-counting on-line detecting system in warehouse as described in claim 1, it is characterised in that：The sliding equipment includes leading Rail, sliding block and connecting rod；The guide rail has been symmetrically arranged on the crossbeam of opposite sides at the top of the space framework； The sliding block is slidably connected on guide rail respectively；It is connected between the sliding block and sliding block by connecting rod；In the connecting rod Multiple ranging detection modules have been arranged side by side in upper surface, and the lower surface of the connecting rod is in contact with the transmission mechanism.

4. Intelligent-counting on-line detecting system in warehouse as described in claim 1, it is characterised in that：The driving mechanism is stepping Motor, the stepper motor are connect by motor-drive circuit with the output terminal of the PLC control system.

5. Intelligent-counting on-line detecting system in warehouse as claimed in claim 4, it is characterised in that：The stepper motor uses band The stepper motor of encoder.

6. Intelligent-counting on-line detecting system in warehouse as described in claim 1, it is characterised in that：The PLC control system packet Include PLC controller, single-chip minimum system, display screen, operation button and power module；The PLC controller respectively with institute State single-chip minimum system, display screen, operation button and power module connection；The power module also respectively with the monolithic Machine minimum system, display screen connection, for providing power supply for each circuit module；The ranging detection module passes through the microcontroller Minimum system is connect with the PLC controller；The output terminal of the PLC controller is connect with the input terminal of the driving mechanism.

7. Intelligent-counting on-line detecting system in warehouse as claimed in claim 6, it is characterised in that：The operation button includes opening Dynamic button, stop button and scram button.

8. Intelligent-counting on-line detecting system in warehouse as claimed in claim 6, it is characterised in that：The PLC control system is also Including close switch and intermediate relay；It is described to be connect close to switch by the intermediate relay with the PLC controller；Institute It states close to switch and intermediate relay including multiple, it is each close to the corresponding intermediate relay of switch；The close switch It is separately positioned on the both ends of sliding block.

9. Intelligent-counting on-line detecting system in warehouse as claimed in claim 8, it is characterised in that：The microcontroller minimum system System, power module and intermediate relay are arranged in switch board；The operation button is arranged at the cabinet of the switch board Men Shang is additionally provided with indicator light in the cabinet door of the switch board, and the indicator light is connect with the PLC controller.

10. the warehouse Intelligent-counting on-line detecting system as described in claim 6 or 9, it is characterised in that：The PLC controller Select Siemens's S7-300 PLC controllers；The single-chip minimum system be 51 single-chip minimum systems, microcontroller model For STC89C52RC；The display screen uses 7 cun of touch screens of model TPC7062KT.