CN112938500A - Control system and method for fresh-keeping storage and quantitative feeding - Google Patents
Control system and method for fresh-keeping storage and quantitative feeding Download PDFInfo
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- CN112938500A CN112938500A CN202110156026.5A CN202110156026A CN112938500A CN 112938500 A CN112938500 A CN 112938500A CN 202110156026 A CN202110156026 A CN 202110156026A CN 112938500 A CN112938500 A CN 112938500A
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/04—Conveying materials in bulk pneumatically through pipes or tubes; Air slides
- B65G53/16—Gas pressure systems operating with fluidisation of the materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/18—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
- B65G53/36—Arrangements of containers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
- B65G53/40—Feeding or discharging devices
- B65G53/46—Gates or sluices, e.g. rotary wheels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
- B65G53/52—Adaptations of pipes or tubes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
- B65G53/66—Use of indicator or control devices, e.g. for controlling gas pressure, for controlling proportions of material and gas, for indicating or preventing jamming of material
Abstract
The invention discloses a control system and a control method for fresh-keeping storage and quantitative feeding. The control system comprises a fresh-keeping storage device, a fresh-keeping storage device and a control system, wherein the fresh-keeping storage device is arranged in a constant-temperature and constant-humidity environment; the feeding cache device is arranged in a normal temperature environment and is matched with the receiving device for injecting materials; the PLC control system is electrically connected with the fresh-keeping material storage device and the feeding cache device and is arranged to control the running states of the fresh-keeping material storage device and the feeding cache device; wherein, fresh-keeping storage device passes through the feeder sleeve intercommunication with feed buffer memory device, and fresh-keeping storage device is used for providing the material to feed buffer memory device. The control system for fresh-keeping storage and quantitative feeding prolongs the quality guarantee period of food by arranging the fresh-keeping storage device in the environment with constant temperature and constant humidity, and realizes the automation of feeding by controlling the supply of the fresh-keeping storage device to the supply caching device and the feeding of the supply caching device to the receiving device through the PLC control system.
Description
Technical Field
The embodiment of the invention relates to the field of food processing, in particular to a control system and a control method for fresh-keeping storage and quantitative feeding.
Background
In food processing and new retail industries, the market demand of on-site preparation and on-site sale is increasing, and consumers pay attention to the safety, freshness preservation and taste of food materials. The existing preparation and sale modes do not carry out environmental control on the preservation of food and edible materials, including storage temperature, humidity and tightness. The food and food materials are stored in the original packaging state by refrigeration or freezing. When the material is taken out for use, the packaging needs to be manually dismantled, the material is sorted and taken, and the excess material returns to the bin for repeated action. Food excess materials need to be repeatedly exposed in a cold storage and normal temperature state, the storage temperature zones are not uniform, bacterial microorganisms are easy to breed, and the quality and the taste of food are influenced.
The prior technical scheme fails to solve the problem of the full-process environmental stability control of the storage, supply and preparation of various food materials. From the repeated operation of refrigeration or freezing preservation, taking out, sorting, repackaging and re-refrigeration, the food is in a plurality of temperature zones which are alternated, so that ice crystals in food cells are repeatedly dissolved and crystallized, the taste of the food is deteriorated, and microorganisms are easy to breed.
The existing technical scheme also does not solve the fresh-keeping link of the prepared food materials on the existing production and sale workbench. The existing production and sale links are mostly stored at normal temperature, so that workers can conveniently take and place materials. Due to the dynamic change of market orders, the food materials placed at normal temperature are difficult to control the environmental conditions and the storage time, and in order to ensure the food safety, the perishable food materials can only be discarded in whole batches after exceeding the preservation time, so that a large amount of food waste and energy waste are caused.
Disclosure of Invention
Therefore, the embodiment of the invention provides a control system and a control method for fresh-keeping storage and quantitative feeding, so as to solve the problems that food materials are easy to deteriorate and the feeding automation degree is low in the prior art.
In order to achieve the above object, an embodiment of the present invention provides the following:
in one aspect of an embodiment of the present invention, there is provided a fresh food storage and dosing control system, comprising: the fresh-keeping and material-storing device is arranged in a constant-temperature and constant-humidity environment; the feeding cache device is arranged in a normal-temperature environment and is matched with the receiving device for injecting materials; the PLC control system is electrically connected with the fresh-keeping material storage device and the feeding cache device and is arranged to control the running states of the fresh-keeping material storage device and the feeding cache device; wherein, fresh-keeping storage device with feed buffer memory device passes through the feeder tube intercommunication, fresh-keeping storage device be used for to feed buffer memory device provides the material.
Further, the fresh-keeping storage device provides quantitative materials for the feeding and caching device; and the feeding cache device puts quantitative materials into the receiving device.
Further, fresh-keeping storage device includes: the first material storage cylinder is used for storing materials; a first discharge hole is formed in the bottom of the first storage barrel and connected with the booster pump; the first end of the conveying pipe is connected with the booster pump and used for receiving materials pumped out of the first discharge hole by the booster pump, and the second end of the conveying pipe is connected with the feeding pipe and used for conveying the materials to the feeding cache device; the feeding pinch valve is arranged on the conveying pipe and controls the flow of materials in the conveying pipe by clamping the pipe body of the conveying pipe; the PLC control system is electrically connected with the booster pump and the feeding pinch valve, and is arranged to control the rotating speed of the booster pump and the clamping state of the feeding pinch valve on the conveying pipe.
Further, the fresh-keeping storage device further comprises: the first one-way valve is arranged between the first discharge hole and the booster pump and used for preventing materials from flowing back to the first material storage barrel; and the second one-way valve is arranged between the second end of the conveying pipe and the feeding pipe and used for preventing the materials from flowing back into the conveying pipe from the feeding pipe.
Further, the feed buffer device comprises: the second storage barrel is used for receiving the materials conveyed by the fresh-keeping storage device; a second discharge hole is formed in the bottom of the second storage barrel, a first end of the material injection pipe is connected with the second discharge hole and used for receiving materials in the second storage barrel, and a second end of the material injection pipe is matched with the material receiving device to inject the materials; the material injection pinch valve is arranged on the material injection pipe and controls the flow of materials in the pipe through clamping the pipe body of the material injection pipe; the PLC control system is electrically connected with the injection pinch valve and is arranged to control the clamping state of the injection pinch valve on the injection pipe.
Further, the feed buffer device further comprises a liquid level sensor, and the liquid level sensor is used for detecting the material liquid level condition in the second storage cylinder and feeding back a liquid level signal to the PLC control device.
Further, the feed buffer device further comprises: and the third one-way valve is arranged between the second discharge hole and the material injection pipe and used for preventing the material from flowing back to the second material storage cylinder.
In another aspect of an embodiment of the present invention, there is provided a control method including: s1: the PLC control system receives a feeding starting signal, controls a feeding pinch valve to be opened, controls a booster pump to be opened, and outputs materials to the fresh-keeping storage device through a conveying pipe by the booster pump; s2: the feeding and caching device receives the materials output from the fresh-keeping and storing device; s3: the PLC control system receives a feeding starting signal, drives the injection pinch valve to open, and feeds the material to the receiving device from the feeding cache device; s4: the PLC control system feeds back a feeding completion signal to the management system, the management system calculates the feeding amount, the management system calculates the residual material amount in the first storage barrel according to the feeding amount, and when the residual material amount is confirmed to be smaller than a preset value, a feeding reminding signal is fed back.
Furthermore, the PLC control system controls and outputs the material supply amount of the fresh-keeping storage device by controlling the opening time of the booster pump or the opening and closing degree and the opening and closing time of the material supply pinch valve.
Further, the PLC control system controls the feeding amount of the feeding caching device by controlling the opening and closing degree and the opening and closing time of the injection pinch valve.
The embodiment of the invention has the following advantages:
the embodiment of the invention discloses a control system and a control method for fresh-keeping storage and quantitative feeding, wherein the control system for fresh-keeping storage and quantitative feeding prolongs the quality guarantee period of food by arranging a fresh-keeping storage device in a constant-temperature and constant-humidity environment, and realizes the automation of feeding by controlling the supply of the fresh-keeping storage device to a supply cache device and the feeding of the supply cache device to a receiving device by a PLC control system.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
Fig. 1 is a schematic structural diagram of a fresh-keeping material storage and dosing control system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a fresh-keeping storage device according to an embodiment of the present invention;
fig. 3 is a longitudinal sectional view of a fresh-keeping storage device according to an embodiment of the present invention;
fig. 4 is a schematic top view of a feed buffer device according to an embodiment of the present invention;
FIG. 5 is a longitudinal sectional view of a feed buffer according to an embodiment of the present invention;
fig. 6 is a flowchart illustrating a control method according to an embodiment of the present invention.
In the figure: 100-fresh-keeping storage and quantitative feeding control system, 10-fresh-keeping storage device, 11-first storage cylinder, 12-first discharge port, 13-booster pump, 14-delivery pipe, 15-feeding pinch valve, 16-first one-way valve, 17-second one-way valve, 18-first top cover, 19-feeding port, 20-feeding buffer device, 21-second storage cylinder, 22-second top cover, 23-second discharge port, 24-feeding pipe, 25-feeding pinch valve, 26-third one-way valve, 27-liquid level sensor and 30-feeding pipe.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. 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 invention.
In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for clarity of description, and are not intended to limit the scope of the present invention, and changes or modifications in the relative relationship may be made without substantial changes in the technical content.
Examples
Referring to fig. 1, 2, 3, 4, and 5, a schematic structural diagram of a fresh food storage and dosing control system 100 is shown, an embodiment of the present invention provides a fresh food storage and dosing control system 100, including: the fresh-keeping storage device 10 is arranged in a constant-temperature and constant-humidity environment, and optionally, the fresh-keeping storage device 10 is arranged in a refrigerating cabinet to prevent the materials in the fresh-keeping storage device from going bad and rotten; the feeding cache device 20 is arranged in a normal-temperature environment, and is matched with the receiving device for injecting materials; the PLC control system is electrically connected with the fresh-keeping material storage device 10 and the feeding cache device 20 and is set to control the running states of the fresh-keeping material storage device 10 and the feeding cache device 20; wherein, fresh-keeping storage device 10 and feed buffer memory device 20 pass through feeder tube 30 intercommunication, and the one end and the fresh-keeping storage device 10 of feeder tube 30 are connected, and the other end is connected with feed buffer memory device 20 for fresh-keeping storage device 10 provides the material to feed buffer memory device 20.
Specifically, the fresh-keeping storage device 10 provides quantitative materials to the feeding and caching device 20; the feeding cache device 20 puts quantitative materials into the receiving device.
As shown in fig. 1, 2 and 3, the fresh food storage device 10 includes: the first material storage barrel 11 is used for storing materials; a first discharge port 12 is arranged at the bottom of the first material storage cylinder 11, and the first discharge port 12 is connected with the booster pump 13; a first end of the conveying pipe 14 is connected with the booster pump 13 and is used for receiving materials pumped out of the first discharge hole 12 by the booster pump 13, and a second end of the conveying pipe 14 is connected with the feeding pipe 30 and is used for conveying the materials to the feeding cache device 20; the feeding pinch valve 15 is arranged on the conveying pipe 14, the flow of materials in the conveying pipe is controlled by clamping the pipe body of the conveying pipe 14, and particularly, the conveying pipe 14 is made of a silica gel hose.
Wherein, the PLC control system is electrically connected with the booster pump 13 and the feeding pinch valve 15, and the PLC control system is set to control the rotating speed of the booster pump 13 and the clamping state of the feeding pinch valve 15 to the delivery pipe 14.
Specifically, the fresh food storage device 10 further includes a first top cover 18, and the first top cover 18 is disposed on the top of the first storage barrel 11 and is used for sealing the first storage barrel 11. The boss structure is erected on the top of the first storage barrel 11 and matched with the groove on the lower side of the first top cover 18 to realize quick buckling. The wall of the first storage barrel 11 is made of transparent material with scales, so that the visualization of the material condition in the barrel is realized. A feeding port 19 is further arranged on the first top cover 18 and used for feeding materials into the fresh-keeping and storing device 10.
As shown in fig. 1, 2 and 3, the fresh-keeping storage device 10 further includes: the first one-way valve 16 is arranged between the first discharge hole 12 and the booster pump 13, and is used for preventing the materials from flowing back to the first material storage barrel 11; a second one-way valve 17 disposed between the second end of the feed pipe 14 and the feed pipe 30 for preventing the backflow of material from the feed pipe 30 into the feed pipe 14. As known to those skilled in the art, the one-way valve only allows fluid to flow along the water inlet, but does not allow the media at the water outlet to flow back. Specifically, the first one-way valve 16 is fixedly disposed on the first storage barrel 11, and when the first storage barrel 11 is dismounted from the fresh-keeping storage device 10, the valve of the first one-way valve 16 is closed, so as to prevent the material from flowing out. When the first check valve 16 is installed on other components of the fresh food storage device 10, the valve of the first check valve 16 is opened, and the material flows out from the valve.
As shown in fig. 1, 4 and 5, the feed buffer device 20 includes: the second storage cylinder 21, the second storage cylinder 21 is connected with the feeding pipe 30, and is used for receiving the materials conveyed by the fresh-keeping storage device 10; a second discharge port 23 is formed in the bottom of the second storage barrel 21, a first end of the injection pipe 24 is connected with the second discharge port 23 and used for receiving materials in the second storage barrel 21, and a second end of the injection pipe 24 is matched with the receiving device to inject the materials; the material injection pipe clamping valve 25 is arranged on the material injection pipe 24, the flow of materials in the pipe is controlled by clamping the pipe body of the material injection pipe 24, and particularly, the material injection pipe 24 is made of a silica gel hose.
Wherein, the PLC control system is electrically connected with the material injection pinch valve 25 and is set to control the clamping state of the material injection pinch valve 25 to the material injection pipe 24.
As shown in fig. 1, 4 and 5, the feed buffer device 20 further includes a second top cover 22, and the second top cover 22 is disposed on top of the second storage barrel 21 for sealing the second storage barrel 21. The boss structure is erected on the top of the second storage cylinder 21 and matched with the groove on the lower side of the second top cover 22 to realize quick buckling. The wall of the second storage barrel 21 is made of transparent material with scales, so that the visualization of the material condition in the barrel is realized.
As shown in fig. 1, 4 and 5, the feed buffer device 20 further includes a liquid level sensor 27, and the liquid level sensor 27 is configured to detect a material liquid level condition in the second material storage cylinder 21 and feed back a liquid level signal to the PLC control device. Specifically, when the liquid level sensor 27 detects that the liquid level of the material in the second material storage barrel 21 is in a material shortage state, the PLC control system starts a maintenance operation flow.
As shown in fig. 1, 4 and 5, the feed buffer device 20 further includes: and the third one-way valve 26 is arranged between the second discharge hole 23 and the material injection pipe 24, and is used for preventing the material from flowing back to the second material storage cylinder 21. Specifically, the third check valve 26 is fixedly disposed on the second storage barrel 21, and when the second storage barrel 21 is detached from the feed buffer device 20, the valve of the third check valve 26 is closed to prevent the material from flowing out. When the third one-way valve 26 is mounted to the other components of the feed buffer device 20, the valve of the third one-way valve 26 opens and material flows out of the valve.
Optionally, in the embodiment of the invention, all mechanisms in the control system for fresh-keeping storage and quantitative feeding, which are in contact with the materials, are designed without screws, the materials are made of corrosion-resistant and high-temperature-resistant food-grade PP plastics or Teflon plastic materials, the inner wall is smooth, and the design of round corners is convenient for cleaning and high-temperature off-line disinfection of strong alkali and strong acid. The pipeline and the joint adopted by the system are made of food-grade materials with corrosion resistance and high temperature resistance. After the charging barrel is cleaned and disinfected off line, the charging barrel can be externally connected with an online cleaning and disinfecting system to wash, disinfect and clean the pipeline, so that the food safety and the personnel safety are comprehensively ensured.
The fresh stock and dosing control system 100 as shown in fig. 1-5 further comprises: and the management system is electrically connected with the PLC control system and inputs instruction signals to the PLC control system so as to control the running states of the fresh-keeping and storing device 10 and the feeding and caching device 20. Optionally, the management system is an MES system, and as known to those skilled in the art, the MES system is a manufacturing process execution management system for a manufacturing enterprise commonly used in industrial production.
Specifically, the management system further includes: and a management system controls the human-computer interaction interface to display prompt information according to the material quantity in the first material storage barrel 11.
According to the embodiment of the invention, the PLC system feeds back a feeding completion signal to the MES system, the MES system records the quantitative discharging quantity, and the quantitative discharging quantity is automatically deducted from the total storing quantity of the first storing barrel 11. When the excess materials in the first storage barrel 11 reach the lowest level of the safety stock, the MES system automatically sends a material supplementing notification signal to a human-computer interaction interface, and the personnel is prompted to supplement the materials by screen display, alarm buzzing or message of a mobile end; at this time, the remainder in the first material storage barrel 11 can still support the execution of the subsequent work order. When the excess material in the first material storage barrel 11 reaches the material shortage water level, the MES system automatically sends a material shortage warning signal to the human-computer interaction interface, and simultaneously stops executing the subsequent work order and feeds back a rejected work order signal to the CRM order management system.
In the fresh-keeping storage and quantitative feeding control system 100 provided by the embodiment of the present invention, the booster pump 13, the delivery pipe 14, the feeding pipe 30 and the filling pipe 24 are used in combination to quantitatively output and remotely deliver high-fluidity, high-fiber, high-viscosity, high-protein and high-fat materials, such as dairy products, fresh fruit pulp containing pulp or fruit grains, fresh fruit juice, syrup and other liquid or high-water content solid materials.
As shown in the flowchart of the control method shown in fig. 6, an embodiment of the present invention provides a control method, including: s1: the PLC control system receives a feeding starting signal, controls the feeding pinch valve 15 to be opened, controls the booster pump 13 to be opened, and the booster pump 13 outputs materials to the fresh-keeping material storage device 10 through the conveying pipe 14; s2: the feeding and caching device 20 receives the materials output from the fresh-keeping and storing device 10; s3: the PLC control system receives a feeding starting signal, drives the injection pinch valve 25 to be opened, and feeds the material to the receiving device from the feeding buffer device 20; s4: the PLC control system feeds back a feeding completion signal to the management system, the management system calculates the feeding amount, the management system calculates the residual material amount in the first storage barrel 11 according to the feeding amount, and when the residual material amount is confirmed to be smaller than a preset value, a feeding reminding signal is fed back.
Specifically, the PLC control system controls the feeding amount of the output fresh-keeping storage device 10 by controlling the opening time of the booster pump 13 or the opening and closing degree and the opening and closing time of the feeding pinch valve 15. The PLC control system controls the feeding amount of the feeding caching device 20 by controlling the opening and closing degree and the opening and closing time of the feeding pinch valve 25.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (10)
1. A fresh-keeping storage and dosing control system (100), comprising:
the fresh-keeping storage device (10) is arranged in a constant-temperature and constant-humidity environment;
the feeding cache device (20) is arranged in a normal-temperature environment, and is matched with the receiving device for injecting materials;
the PLC control system is electrically connected with the fresh-keeping material storage device (10) and the feeding cache device (20), and is arranged to control the running states of the fresh-keeping material storage device (10) and the feeding cache device (20);
wherein, fresh-keeping storage device (10) with feed buffer memory device (20) are through feed pipe (30) intercommunication, fresh-keeping storage device (10) be used for to feed buffer memory device (20) provide the material.
2. The fresh-keeping stock and dosing control system as claimed in claim 1, wherein,
the fresh-keeping storage device (10) provides quantitative materials for the feeding and caching device (20);
and the feeding cache device (20) puts quantitative materials into the receiving device.
3. Fresh-keeping stock and dosing control system according to claim 1, characterized in that the fresh-keeping stock device (10) comprises:
the first material storage cylinder (11) is used for storing materials;
a first discharge hole (12) is formed in the bottom of the first material storage cylinder (11), and the first discharge hole (12) is connected with the booster pump (13);
the first end of the conveying pipe (14) is connected with the booster pump (13) and used for receiving materials pumped by the booster pump (13) from the first discharge hole (12), and the second end of the conveying pipe (14) is connected with the feeding pipe (30) and used for conveying the materials to the feeding cache device (20);
the feeding pinch valve (15) is arranged on the conveying pipe (14), and the flow of materials in the conveying pipe (14) is controlled by clamping the pipe body of the conveying pipe (14);
the PLC control system is electrically connected with the booster pump (13) and the feeding pinch valve (15), and is arranged to control the rotating speed of the booster pump (13) and the clamping state of the feeding pinch valve (15) on the conveying pipe (14).
4. The fresh-keeping stock and dosing control system according to claim 3, wherein said fresh-keeping stock device (10) further comprises:
the first one-way valve (16), the first one-way valve (16) is arranged between the first discharge hole (12) and the booster pump (13) and is used for preventing materials from flowing back to the first material storage barrel (11);
a second one-way valve (17) disposed between the second end of the feed pipe (14) and the feed pipe (30) for preventing backflow of material from within the feed pipe (30) into the feed pipe (14).
5. The fresh-keeping storage and dosing control system according to claim 1, wherein said feed buffer device (20) comprises:
the second storage barrel (21), the second storage barrel (21) is used for receiving the materials conveyed by the fresh-keeping storage device (10);
a second discharge hole (23) is formed in the bottom of the second storage barrel (21), a first end of the material injection pipe (24) is connected with the second discharge hole (23) and used for receiving materials in the second storage barrel (21), and a second end of the material injection pipe (24) is matched with the material receiving device to feed materials;
the material injection pinch valve (25) is arranged on the material injection pipe (24), and the material in the pipe is controlled to flow by clamping the pipe body of the material injection pipe (24);
the PLC control system is electrically connected with the injection pinch valve (25), and is arranged to control the clamping state of the injection pinch valve (25) on the injection pipe (24).
6. The fresh-keeping stock and dosing control system as claimed in claim 5, wherein,
the feeding buffer device (20) further comprises a liquid level sensor (27), and the liquid level sensor (27) is used for detecting the material liquid level condition in the second storage barrel (21) and feeding back a liquid level signal to the PLC control device.
7. The fresh-keeping storage and dosing control system according to claim 5, wherein said feed buffer device (20) further comprises:
and the third one-way valve (26) is arranged between the second discharge hole (23) and the material injection pipe (24) and is used for preventing the materials from flowing back to the second material storage barrel (21).
8. A control method, comprising:
s1: the PLC control system receives a feeding starting signal, controls a feeding pinch valve (15) to be opened, controls a booster pump (13) to be opened, and the booster pump (13) outputs materials to the fresh-keeping storage device (10) through a conveying pipe (14);
s2: the feeding and caching device (20) receives the materials output from the fresh-keeping and storing device (10);
s3: the PLC control system receives a feeding starting signal, drives the injection pinch valve (25) to be opened, and feeds the material to the receiving device from the feeding buffer device (20);
s4: the PLC control system feeds back a feeding completion signal to the management system, the management system calculates the feeding amount, the management system calculates the residual material amount in the first storage barrel (11) according to the feeding amount, and when the residual material amount is confirmed to be smaller than a preset value, a feeding reminding signal is fed back.
9. The control method according to claim 8,
and the PLC control system controls and outputs the feeding amount of the fresh-keeping storage device (10) by controlling the opening time of the booster pump (13) or the opening and closing degree and the opening and closing time of the feeding pinch valve (15).
10. The control method according to claim 8,
the PLC control system controls the feeding amount of the feeding caching device (20) by controlling the opening and closing degree and the opening and closing time of the injection pinch valve (25).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110156026.5A CN112938500A (en) | 2021-02-04 | 2021-02-04 | Control system and method for fresh-keeping storage and quantitative feeding |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110156026.5A CN112938500A (en) | 2021-02-04 | 2021-02-04 | Control system and method for fresh-keeping storage and quantitative feeding |
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Application publication date: 20210611 |