CN111545277A - Control method and control device of rice mill and rice mill - Google Patents
Control method and control device of rice mill and rice mill Download PDFInfo
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- CN111545277A CN111545277A CN202010423335.XA CN202010423335A CN111545277A CN 111545277 A CN111545277 A CN 111545277A CN 202010423335 A CN202010423335 A CN 202010423335A CN 111545277 A CN111545277 A CN 111545277A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02B—PREPARING GRAIN FOR MILLING; REFINING GRANULAR FRUIT TO COMMERCIAL PRODUCTS BY WORKING THE SURFACE
- B02B7/00—Auxiliary devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02B—PREPARING GRAIN FOR MILLING; REFINING GRANULAR FRUIT TO COMMERCIAL PRODUCTS BY WORKING THE SURFACE
- B02B3/00—Hulling; Husking; Decorticating; Polishing; Removing the awns; Degerming
- B02B3/04—Hulling; Husking; Decorticating; Polishing; Removing the awns; Degerming by means of rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02B—PREPARING GRAIN FOR MILLING; REFINING GRANULAR FRUIT TO COMMERCIAL PRODUCTS BY WORKING THE SURFACE
- B02B7/00—Auxiliary devices
- B02B7/02—Feeding or discharging devices
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Adjustment And Processing Of Grains (AREA)
Abstract
The invention discloses a control method and a control device of a rice mill and the rice mill, wherein the rice mill comprises a temperature measuring device for detecting the temperature in a rice milling cavity, an air outlet device for blowing air to the rice milling cavity and a pressure regulating device for controlling the opening and closing pressure of a switch door plate of a rice outlet of the rice milling cavity, and the control method of the rice mill comprises the following steps: when the rice milling machine starts rice milling operation, acquiring temperature parameters measured by the temperature measuring device to determine real-time temperature parameters in the rice milling cavity; and controlling the air outlet device and the pressure regulating device to work according to the relation between the real-time temperature parameter and the preset temperature parameter. In the technical scheme provided by the invention, different preset temperature parameters are preset for different rice materials, the air outlet device and the pressure regulating device are regulated according to the relation between the preset temperature parameters and the real-time temperature parameters, and the temperature and the pressure in the rice milling cavity are regulated in real time.
Description
Technical Field
The invention relates to the technical field of rice mills, in particular to a control method and a control device of a rice mill and the rice mill.
Background
The rice mill is an important grain processing machine, and about two hundred million tons of rice are processed by the rice mill to become edible rice every year in China. In the rice milling process, the milling effect of the rice mill is often required to be adjusted according to factors such as the variety and quality of raw grains, the milling process requirements of the raw grains and the like. In the process of milling, elements such as rice grain and rice milling roller and rice milling chamber inner wall take place to rub and collide, also bump and rub between rice grain and the rice grain simultaneously, and then produce a large amount of heats, and the rice milling indoor pressure is big more, and the friction intensification is just faster, because the rise of rice temperature, rice grain intensity also descends along with it, and then the fracture leads to the production of broken rice.
The existing rice mill is generally provided with an air blowing fan and a pressure door adjusting mechanism. The air-jet fans act on the whitening chamber by constant air volume and air pressure, and the pressure door adjusting mechanism mostly adopts a thallium pressing type structure to manually adjust the pressure of the whitening chamber. It is difficult for an operator to perform precise adjustment and operation of the rice mill so that a predetermined effect cannot be obtained.
Disclosure of Invention
The invention mainly aims to provide a control method and a control system of a rice mill and the rice mill, and aims to solve the technical problem that the temperature and the pressure in the rice mill cannot be accurately controlled.
In order to achieve the purpose, the invention provides a control method of a rice mill, the rice mill comprises a temperature measuring device for detecting the temperature in a rice milling cavity, an air outlet device for blowing air to the rice milling cavity and a pressure regulating device for controlling the opening and closing pressure of a switch door plate of a rice outlet of the rice milling cavity, and the control method of the rice mill comprises the following steps:
when the rice milling machine starts rice milling operation, acquiring temperature parameters measured by the temperature measuring device to determine real-time temperature parameters in the rice milling cavity;
and controlling the air outlet device and the pressure regulating device to work according to the relation between the real-time temperature parameter and the preset temperature parameter.
Optionally, the temperature measuring device comprises an inlet temperature sensor and an outlet temperature sensor for respectively detecting a feed port and a discharge port of the rice mill;
when the rice milling machine starts rice milling operation, the step of acquiring real-time temperature parameters in a rice milling cavity comprises the following steps:
when the rice milling machine starts rice milling operation, acquiring the temperature at an inlet measured by an inlet temperature sensor and the temperature at an outlet measured by an outlet temperature sensor;
and taking the difference value between the outlet temperature and the inlet temperature as the real-time temperature parameter.
Optionally, the air outlet device includes an air blower;
according to the relation between the real-time temperature parameter and the preset temperature parameter, the step of controlling the work of the air outlet device and the pressure regulating device comprises the following steps:
when the real-time temperature parameter is larger than the preset temperature parameter, controlling the air jet fan to increase the air jet volume so as to reduce the temperature in the rice milling cavity;
and when the real-time temperature parameter is smaller than the preset temperature parameter, controlling the air injection fan to reduce the air injection quantity so as to stabilize the temperature in the rice milling cavity.
Optionally, the pressure adjusting device includes an elastic pressing member abutting against the switch door panel and a driving device driving the elastic pressing member, and the elastic pressing member moves in a direction approaching to or moving away from the switch door panel;
according to the relation between the real-time temperature parameter and the preset temperature parameter, the step of controlling the work of the air outlet device and the pressure regulating device comprises the following steps:
when the real-time temperature parameter is greater than the preset temperature parameter, controlling the driving device to drive the elastic pressing piece to move towards the direction far away from the switch door plate, and reducing the pressure on the switch door plate so as to reduce the pressure value in the rice milling cavity;
when the real-time temperature parameter is smaller than the preset temperature parameter, the driving device is controlled to drive the elastic pressing piece to move towards the direction close to the switch door plate, and the pressure on the switch door plate is increased so as to increase the pressure value in the rice milling cavity.
The invention also provides a control device of the rice mill, which comprises a memory, a processor and a control program of the rice mill, wherein the control program of the rice mill is stored on the memory and can run on the processor, and the control program of the rice mill is configured to realize the steps of the control method of the rice mill.
The invention also provides a rice mill, comprising:
the rice milling machine comprises a rice milling machine body, wherein a rice milling cavity is formed in the rice milling machine body, the rice milling cavity is provided with a discharge port and a feed port, and a movably arranged switch door plate is arranged at the discharge port;
the temperature measuring device is used for detecting temperature parameters in the rice milling cavity;
the air outlet device is arranged on the rice milling machine body and used for blowing air into the rice milling cavity;
the pressure regulating device is arranged on the rice mill body and used for regulating the opening and closing pressure of the switch door plate; and the number of the first and second groups,
the control device is electrically connected with the temperature measuring device, the air outlet device and the pressure regulating device, and the control device is the rice mill control device according to claim 5.
Optionally, the temperature measuring device includes a discharge temperature sensor and a feed temperature sensor respectively installed to the discharge port and the feed port, and is configured to detect the temperature at the inlet and the temperature at the outlet, respectively.
Optionally, a mounting opening is further arranged on the rice milling cavity in a penetrating manner;
the rice milling machine further comprises a rice milling roller, the rice milling roller comprises a rice milling end and a mounting end which are oppositely arranged, the mounting end is rotatably mounted to the mounting opening, the rice milling end extends into the rice milling cavity, and a ventilation channel is formed in the rice milling roller;
the air outlet device comprises an air injection fan which is communicated to the ventilation channel and used for supplying air to the rice milling cavity.
Optionally, the pressure regulating device includes:
the elastic pressing piece is movably arranged on the rice mill body along the direction close to or far away from the switch door plate, and one end of the elastic pressing piece is pressed against the switch door plate; and the number of the first and second groups,
and the driving device is connected to the other end of the elastic pressing piece in a driving mode and drives the elastic pressing piece to move.
Optionally, the pressure regulating device further includes a displacement sensor for detecting a displacement of the elastic pressing member.
In the technical scheme provided by the invention, the real-time temperature parameter in the rice milling cavity is obtained through the temperature measuring device, different preset temperature parameters are preset for different rice materials, the air outlet device and the pressure regulating device are regulated according to the relation between the preset temperature parameters and the real-time temperature parameters, the temperature and the pressure in the rice milling cavity are regulated in real time, the working stability of the rice milling machine is improved, and the working performance is improved.
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 is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural view of an embodiment of a rice mill provided by the present invention;
FIG. 2 is a schematic structural diagram of a control device of a hardware operating environment according to the embodiment of FIG. 1;
fig. 3 is a schematic flow chart of an embodiment of a method for controlling a rice mill according to the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | Rice mill | 22 | Feeding temperature sensor |
| 1 | |
3 | |
| 11 | Switch door plate | 4 | Pressure regulating |
| 12 | |
41 | Elastic pressing piece |
| 2 | Temperature |
42 | |
| 21 | Discharge temperature sensor |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The rice mill is an important grain processing machine, and about two hundred million tons of rice are processed by the rice mill to become edible rice every year in China. In the rice milling process, the milling effect of the rice mill is often required to be adjusted according to factors such as the variety and quality of raw grains, the milling process requirements of the raw grains and the like. In the process of milling, elements such as rice grain and rice milling roller and rice milling chamber inner wall take place to rub and collide, also bump and rub between rice grain and the rice grain simultaneously, and then produce a large amount of heats, and the rice milling indoor pressure is big more, and the friction intensification is just faster, because the rise of rice temperature, rice grain intensity also descends along with it, and then the fracture leads to the production of broken rice.
The existing rice mill is generally provided with a fan and a pressure door adjusting mechanism. The fans act on the whitening chamber with constant air volume and air pressure, and the pressure door adjusting mechanism mostly adopts a thallium pressing type structure to manually adjust the pressure of the whitening chamber. It is difficult for an operator to perform precise adjustment and operation of the rice mill so that a predetermined effect cannot be obtained.
Referring to fig. 1, the present invention provides a rice mill 100, which comprises a rice mill body 1, a temperature measuring device 2, an air outlet device 3, a pressure regulating device 4 and a control device; a rice milling cavity is formed in the rice milling machine body 1, the rice milling cavity is provided with a discharge port and a feed port, and a movably arranged switch door plate 11 is arranged at the discharge port; the temperature measuring device 2 is used for detecting temperature parameters in the rice milling cavity; the air outlet device 3 is arranged on the rice milling machine body 1 and used for blowing air into the rice milling cavity; the pressure regulating device 4 is arranged on the rice mill body and used for regulating the opening and closing pressure of the switch door plate 11; the control device is electrically connected with the temperature measuring device 2, the air outlet device 3 and the pressure regulating device 4.
In the technical scheme provided by the invention, the temperature parameter in the rice milling cavity is detected through the temperature measuring device 2, the real-time temperature parameter in the rice milling cavity is obtained in real time, the real-time temperature parameter is compared with a preset temperature parameter, and the air output of the air outlet device 3 is controlled to adjust the temperature of the rice milling cavity; the pressure in the rice milling cavity is adjusted by controlling the pressure adjusting device 4. And meanwhile, the temperature and the pressure value in the rice milling cavity are adjusted, so that the accurate control of the rice milling machine 100 is realized.
Further, after the rice material is put into the feeding port, the rice material reaches the discharging port through rolling, so that the temperatures of the rice material at the feeding port and the discharging port are different, and in order to accurately judge the temperature change of the rice material, the temperature measuring device 2 comprises a discharging temperature sensor 21 and a feeding temperature sensor 22 which are respectively installed on the discharging port and the feeding port and are used for respectively detecting the temperature at the inlet and the temperature at the outlet. And obtaining the temperature change of the rice material through the difference between the temperature at the inlet and the temperature at the outlet which are respectively detected.
In the embodiment, the rice milling cavity is also provided with a mounting opening in a penetrating way; the rice milling machine further comprises a rice milling roller 12, the rice milling roller 12 comprises a rice milling end and a mounting end which are oppositely arranged, the mounting end is rotatably mounted to the mounting opening, the rice milling end extends into the rice milling cavity, and a ventilation channel is formed in the rice milling roller 12; the air outlet device 3 comprises an air injection fan which is communicated to the ventilation channel and used for supplying air to the rice milling cavity. The air blowing fan supplies air to the rice milling cavity, the air quantity of the air outlet device 3 can be changed by adjusting the rotating speed of the air blowing fan, and then the temperature in the rice milling cavity is controlled, so that the rice milling machine is simple and reliable.
In addition, the pressure regulating device 4 comprises an elastic pressing piece 41 and a driving device 42, the elastic pressing piece 41 is movably mounted on the rice mill body 1 along a direction close to or far away from the switch door panel 11, and one end of the elastic pressing piece 41 is abutted to the switch door panel 11; the driving device 42 is connected to the other end of the elastic pressing element 11 in a driving manner, and the driving device 42 drives the elastic pressing element 41 to move. After being rolled, the rice materials are discharged from the discharge port, the elastic pressing piece 41 is driven to change the pressure on the switch door plate 11, so that the opening and closing pressure of the switch door plate 11 is changed, and the discharge of the rice materials is controlled to control the pressure in the rice milling cavity.
The elastic pressing member 41 may be provided in various embodiments, for example, a link may be directly provided to abut against the opening/closing door panel 11 through the connection, or an elastic member such as a spring may be provided to press the opening/closing door panel 11.
In order to facilitate the detection of the pressure regulating device 4, the pressure regulating device 4 further includes a displacement sensor for detecting the displacement of the elastic pressing member 41. After the driving device drives the elastic pressing piece 41 to move, the pressure of the elastic pressing piece 41 on the switch door panel is detected through the displacement of the elastic pressing piece 41, a special pressure detection element is not required to be arranged, and the structure is simple and reliable to implement.
Referring to fig. 2, the present invention provides a control apparatus for a rice mill, which may include: a processor 1001, such as a CPU, a communication bus 1002, a user interface 1003, a network interface 1004, and a memory 1005. Wherein a communication bus 1002 is used to enable connective communication between these components. The user interface 1003 may include a Display screen (Display), an input unit such as a Keyboard (Keyboard), and the optional user interface 1003 may also include a standard wired interface, a wireless interface. The network interface 1004 may optionally include a standard wired interface, a wireless interface (e.g., WI-FI interface). The memory 1005 may be a high-speed RAM memory or a non-volatile memory (e.g., a magnetic disk memory). The memory 1005 may alternatively be a storage device separate from the processor 1001.
Those skilled in the art will appreciate that the configuration of the control device shown in fig. 2 does not constitute a limitation of the control device and may include more or fewer components than shown, or some components may be combined, or a different arrangement of components.
As shown in fig. 2, a memory 1005, which is a kind of computer storage medium, may include therein an operating system, a network communication module, a user interface module, and a control program of the rice mill.
In the control apparatus shown in fig. 2, a control program of the rice mill stored in the memory 1005 is called by the processor 1001, and the following operations are performed:
when the rice milling machine starts rice milling operation, acquiring temperature parameters measured by the temperature measuring device to determine real-time temperature parameters in the rice milling cavity;
and controlling the air outlet device and the pressure regulating device to work according to the relation between the real-time temperature parameter and the preset temperature parameter.
Further, the processor 1001 calls the control program of the rice mill stored in the memory 1005, and also performs the following operations:
when the rice milling machine starts rice milling operation, acquiring the temperature at an inlet measured by an inlet temperature sensor and the temperature at an outlet measured by an outlet temperature sensor;
and taking the difference value between the outlet temperature and the inlet temperature as the real-time temperature parameter.
Further, the processor 1001 calls the control program of the rice mill stored in the memory 1005, and also performs the following operations:
according to the relation between the real-time temperature parameter and the preset temperature parameter, the step of controlling the work of the air outlet device and the pressure regulating device comprises the following steps:
when the real-time temperature parameter is larger than the preset temperature parameter, controlling the air jet fan to increase the air jet volume so as to reduce the temperature in the rice milling cavity;
and when the real-time temperature parameter is smaller than the preset temperature parameter, controlling the air injection fan to reduce the air injection quantity so as to stabilize the temperature in the rice milling cavity.
Further, the processor 1001 calls the control program of the rice mill stored in the memory 1005, and also performs the following operations:
when the real-time temperature parameter is greater than the preset temperature parameter, controlling the driving device to drive the elastic pressing piece to move towards the direction far away from the switch door plate, and reducing the pressure on the switch door plate so as to reduce the pressure value in the rice milling cavity;
when the real-time temperature parameter is smaller than the preset temperature parameter, the driving device is controlled to drive the elastic pressing piece to move towards the direction close to the switch door plate, and the pressure on the switch door plate is increased so as to increase the pressure value in the rice milling cavity.
In the technical scheme provided by the invention, the real-time temperature parameters in the rice milling cavity are obtained through the temperature measuring device 2, different preset temperature parameters are preset for different rice materials, the air outlet device 3 and the pressure regulating device 4 are regulated according to the relation between the preset temperature parameters and the real-time temperature parameters, the temperature and the pressure in the rice milling cavity are regulated in real time, the working stability of the rice mill 100 is improved, and the internal temperature and the internal pressure of the rice mill 100 can be accurately controlled.
Specifically, the invention provides two embodiments of rice materials, the temperature measuring device 2 comprises a discharging temperature sensor 21 and a feeding temperature sensor 22, and the preset temperature parameter is the difference value between the temperature at an inlet and the temperature at an outlet.
1. When the rice material is indica rice, the water content of the material is 14%, and the initial temperature is 25 ℃. The preset temperature difference parameter is between 2.5 and 3.5 ℃.
2. When the rice material is polished round-grained rice, the water content of the material fed into the machine is 15%, and the initial temperature is 25 ℃. The preset temperature difference parameter is between 3 ℃ and 5 ℃.
Based on the hardware structure, the invention provides a control method of the rice milling machine, which obtains real-time temperature through the temperature measuring device and adjusts the temperature and the pressure in the rice milling cavity in real time through the air outlet device and the pressure adjusting device.
Referring to fig. 3, fig. 3 is a schematic flow chart of an embodiment of the rice mill 100 provided in the present embodiment.
S10: when the rice milling machine starts rice milling operation, acquiring temperature parameters measured by the temperature measuring device to determine real-time temperature parameters in the rice milling cavity;
the real-time temperature parameter in the rice milling cavity is obtained through the temperature measuring device, and it should be noted that the real-time temperature parameter can be any one of real-time rice temperature values in the rice milling cavity, an average value of multiple rice temperature values, or a difference value between rice feeding temperature and rice discharging temperature, and the like, and the real-time temperature parameter can be obtained by various implementation modes as long as the temperature of the rice material in the rice milling cavity can be represented.
S20: and controlling the air outlet device and the pressure regulating device to work according to the relation between the real-time temperature parameter and the preset temperature parameter.
Different preset temperature parameters are set for different rice materials, and the real-time temperature parameters are compared with the preset temperature parameters to control the pressure regulating device and the air outlet device to work so as to change the temperature and the pressure in the rice milling cavity, so that the temperature and the pressure in the rice mill can be accurately controlled.
When the rice material is rolled. The temperature rise to a certain degree is beneficial, and only the temperature rise needs to be controlled within a certain degree, in order to accurately know the temperature rise of the rice material, in this embodiment, the step S10 includes:
s11: when the rice milling machine starts rice milling operation, acquiring the temperature at an inlet measured by an inlet temperature sensor and the temperature at an outlet measured by an outlet temperature sensor;
s12: and taking the difference value between the outlet temperature and the inlet temperature as the real-time temperature parameter.
By taking the difference value between the outlet temperature and the inlet temperature as the real-time temperature parameter, the temperature rise degree of the rice material can be accurately obtained, and the temperature rise degree of the rice material can be controlled conveniently, so that the optimal rice milling effect can be obtained.
Specifically, the step S20 includes:
s211: when the real-time temperature parameter is larger than the preset temperature parameter, controlling the air jet fan to increase the air jet volume so as to reduce the temperature in the rice milling cavity;
s212: and when the real-time temperature parameter is smaller than the preset temperature parameter, controlling the air injection fan to reduce the air injection quantity so as to stabilize the temperature in the rice milling cavity.
The temperature in the rice milling cavity is adjusted in real time through the air injection fan, so that the rice is kept at the optimal temperature, and broken rice is prevented.
Likewise, the step S20 further includes:
s221: when the real-time temperature parameter is greater than the preset temperature parameter, controlling the driving device to drive the elastic pressing piece to move towards the direction far away from the switch door plate, and reducing the pressure on the switch door plate so as to reduce the pressure value in the rice milling cavity;
s222: when the real-time temperature parameter is smaller than the preset temperature parameter, the driving device is controlled to drive the elastic pressing piece to move towards the direction close to the switch door plate, and the pressure on the switch door plate is increased so as to increase the pressure value in the rice milling cavity.
The pressure value in the rice milling cavity is changed through the elastic abutting part, so that the temperature rise speed of rice materials in the rice milling cavity is controlled, and the working efficiency of the rice mill is improved.
The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents made by the contents of the present specification and drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A control method of a rice mill is characterized in that the rice mill comprises a temperature measuring device for detecting the temperature in a rice milling cavity, an air outlet device for blowing air to the rice milling cavity and a pressure regulating device for controlling the opening and closing pressure of a switch door plate at a rice outlet of the rice milling cavity, and the control method of the rice mill comprises the following steps:
when the rice milling machine starts rice milling operation, acquiring temperature parameters measured by the temperature measuring device to determine real-time temperature parameters in the rice milling cavity;
and controlling the air outlet device and the pressure regulating device to work according to the relation between the real-time temperature parameter and the preset temperature parameter.
2. A control method of a rice mill as claimed in claim 1, wherein said temperature measuring means comprises an inlet temperature sensor and an outlet temperature sensor for detecting a feed inlet and a discharge outlet of said rice mill, respectively;
when the rice milling machine starts rice milling operation, the step of acquiring real-time temperature parameters in a rice milling cavity comprises the following steps:
when the rice milling machine starts rice milling operation, acquiring the temperature at an inlet measured by an inlet temperature sensor and the temperature at an outlet measured by an outlet temperature sensor;
and taking the difference value between the outlet temperature and the inlet temperature as the real-time temperature parameter.
3. A control method of a rice mill as claimed in claim 1, wherein said air outlet means comprises an air blower;
according to the relation between the real-time temperature parameter and the preset temperature parameter, the step of controlling the work of the air outlet device and the pressure regulating device comprises the following steps:
when the real-time temperature parameter is larger than the preset temperature parameter, controlling the air jet fan to increase the air jet volume so as to reduce the temperature in the rice milling cavity;
and when the real-time temperature parameter is smaller than the preset temperature parameter, controlling the air injection fan to reduce the air injection quantity so as to stabilize the temperature in the rice milling cavity.
4. The control method of a rice mill as claimed in claim 1, wherein said pressure adjusting means comprises an elastic pressing member abutting against said opening and closing door panel, and a driving means driving said elastic pressing member, said elastic pressing member moving in a direction approaching or moving away from said opening and closing door panel;
according to the relation between the real-time temperature parameter and the preset temperature parameter, the step of controlling the work of the air outlet device and the pressure regulating device comprises the following steps:
when the real-time temperature parameter is greater than the preset temperature parameter, controlling the driving device to drive the elastic pressing piece to move towards the direction far away from the switch door plate, and reducing the pressure on the switch door plate so as to reduce the pressure value in the rice milling cavity;
when the real-time temperature parameter is smaller than the preset temperature parameter, the driving device is controlled to drive the elastic pressing piece to move towards the direction close to the switch door plate, and the pressure on the switch door plate is increased so as to increase the pressure value in the rice milling cavity.
5. A control apparatus of a rice mill, characterized by comprising a memory, a processor, and a control program of the rice mill stored on the memory and operable on the processor, the control program of the rice mill being configured to realize the steps of the control method of the rice mill according to any one of claims 1 to 4.
6. A rice mill, comprising:
the rice milling machine comprises a rice milling machine body, wherein a rice milling cavity is formed in the rice milling machine body, the rice milling cavity is provided with a discharge port and a feed port, and a movably arranged switch door plate is arranged at the discharge port;
the temperature measuring device is used for detecting the temperature in the rice milling cavity;
the air outlet device is arranged on the rice milling machine body and used for blowing air into the rice milling cavity;
the pressure regulating device is arranged on the rice mill body and used for regulating the opening and closing pressure of the switch door plate; and the number of the first and second groups,
the control device is electrically connected with the temperature measuring device, the air outlet device and the pressure regulating device, and the control device is the rice mill control device according to claim 5.
7. A rice mill as claimed in claim 6, wherein said temperature measuring means includes discharge temperature sensors and feed temperature sensors mounted to said discharge outlet and said feed inlet respectively for sensing the temperature at the inlet and the temperature at the outlet respectively.
8. The rice mill as claimed in claim 6, wherein a mounting opening is further provided through the rice milling chamber;
the rice milling machine further comprises a rice milling roller, the rice milling roller comprises a rice milling end and a mounting end which are oppositely arranged, the mounting end is rotatably mounted to the mounting opening, the rice milling end extends into the rice milling cavity, and a ventilation channel is formed in the rice milling roller;
the air outlet device comprises an air injection fan which is communicated to the ventilation channel and used for supplying air to the rice milling cavity.
9. The rice mill as claimed in claim 6, wherein the pressure adjusting means comprises:
the elastic pressing piece is movably arranged on the rice mill body along the direction close to or far away from the switch door plate, and one end of the elastic pressing piece is pressed against the switch door plate; and the number of the first and second groups,
and the driving device is connected to the other end of the elastic pressing piece in a driving mode and drives the elastic pressing piece to move.
10. The rice mill as claimed in claim 9, wherein said pressure adjusting means further comprises a displacement sensor for detecting a displacement amount of said elastic pressing member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010423335.XA CN111545277A (en) | 2020-05-18 | 2020-05-18 | Control method and control device of rice mill and rice mill |
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| CN202010423335.XA CN111545277A (en) | 2020-05-18 | 2020-05-18 | Control method and control device of rice mill and rice mill |
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| CN (1) | CN111545277A (en) |
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| CN112295634A (en) * | 2020-09-14 | 2021-02-02 | 黑龙江省稻无疆农业科技有限责任公司 | Roller type germ-remaining rice mill constant-temperature micro-refrigeration system |
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| CN112295634A (en) * | 2020-09-14 | 2021-02-02 | 黑龙江省稻无疆农业科技有限责任公司 | Roller type germ-remaining rice mill constant-temperature micro-refrigeration system |
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