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Water quantity control method for a food processing machine

A technology for food processing machines and water volume control, applied in non-electric variable control, liquid level control, control/regulation systems, etc., can solve the problem of inability to detect how much water is placed in the water tank, high cost of flow meter detection solutions, and inability to meet general needs and other problems, to avoid pulping performance problems, have versatility, and shorten the number of pumping times.

Active Publication Date: 2020-05-19
JOYOUNG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Electrodes are used for flow detection. The measurement is relatively simple. It can only detect a few fixed points in the cooking equipment, which cannot meet the general needs. The cost of the flow meter detection solution is high, and it cannot detect how much water the user puts in the water tank. Additional The reed switch is used for detection, the scheme is complicated, and the water level detection of the water tank can only detect a certain point, which cannot meet the needs of different functions and different water volumes

Method used

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  • Water quantity control method for a food processing machine
  • Water quantity control method for a food processing machine
  • Water quantity control method for a food processing machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0057] A method for controlling the amount of water in a food processor, such as figure 1 As shown, the food processor includes: a crushing cavity 1, a water tank 2, a water pump 3, a water inlet pipe 4 connecting the water tank 2 and the water pump, and a water pipe 5 connecting the crushing cavity 1 and the water pump 2. The water pump 2 draws the water tank 2 through the water inlet pipe 4 The food processing machine also includes a pressure sensor 6, such as figure 2 As shown, the method may include S101-S102:

[0058] S101. Pulse water pumping through a water pump.

[0059] In the embodiment of the present invention, the current food processing opportunity adopts the principle of small space crushing, which has strict requirements on the ratio of soybean to water. Therefore, the amount of water injected into the crushing cavity 1 needs to be accurately set. The current water level detection scheme, such as water level The electrode method can only measure a few fixed capaciti...

Embodiment 2

[0078] The difference between this embodiment and the first embodiment is that the pumping time of the water pump 3 is further restricted to achieve the optimization of the pumping time.

[0079] In the embodiment of the present invention, when the water pump 3 performs pulse pumping, if the single pumping time of the water pump 3 is too long, the measurement accuracy is too low, the water injection volume deviates greatly from the set value, and the single pumping time is too short, causing The longer pumping time affects the pulping cycle, so the pumping time needs to be optimized.

[0080] In the embodiment of the present invention, before the pulse pumping is performed by the water pump 3, the average water flow velocity v when the water pump 3 is pumping can be obtained in advance through multiple tests to average, and on the basis of obtaining the average water flow velocity v , Knowing the water volume Vx required at the time, the total time required to extract the water vol...

Embodiment 3

[0096] The difference between this embodiment and the second embodiment is that another optimization scheme is implemented for the pumping time of the water pump 3, which successively reduces the pumping time of each pulse.

[0097] Optionally, the method further includes: pumping water in a manner of successively reducing the pumping time of each pulse until the pumped water volume meets Vx±δVx, then the pumping is stopped.

[0098] In the embodiment of the present invention, since the set water volume Vx is a relatively large value relative to the water volume of a single pump, it may take many pumping times to reach Vx, so it may take too long to pump water to the set water volume Vx At the same time, frequent starting and closing of the water pump will also have a certain impact on the life of the water pump, so the gradual approach method can be used for pumping.

[0099] Optionally, such as Image 6 As shown, performing pumping in a manner of successively reducing the pumping t...

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Abstract

The invention discloses a water quantity control method of a food processing machine. The food processing machine comprises a crushing cavity, a water tank, a water pump, a water inlet pipe which connects the water tank and the water pump and a water pipe which connects the crushing cavity and the water pump. The water pump extracts water in the water tank through the water inlet pipe and transports the extracted water to the crushing cavity through the water pipe. The food processing machine also comprises a pressure sensor. The method comprises the steps of carrying out pulse water pumping through the water pump, and controlling the water quantity of the food processing machine according to a water pressure value measured by the pressure sensor in extracting the water. Through a scheme of the embodiment of the invention, the fine measurement and control of the water quantity can be realized, the precise water quantity is provided, the scheme is simple and is universal, and the requirements of different functions and different water quantities can be satisfied.

Description

Technical field [0001] The embodiment of the present invention relates to cooking equipment control technology, in particular to a water volume control method of a food processor. Background technique [0002] At present, as the control functions of cooking equipment become more and more refined, higher precision requirements are also put forward for flow detection and control. The current flow detection technologies used include electrode detection and flowmeter detection. Electrodes are used for flow detection. This solution is relatively simple in measurement and can only detect a few fixed points in the cooking equipment, which cannot meet general needs. The flow meter detection solution is expensive and cannot detect how much water the user puts in the water tank. The dry reed pipe detection is complicated, and the water level detection of the water tank can only detect a certain point, which cannot meet the needs of different functions and different water volumes. Summary ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05D9/12
CPCG05D9/12
Inventor 王旭宁余旦陈龙余青辉黄启浪
Owner JOYOUNG CO LTD
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