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Portable food processor

A food processing machine and portable technology, which is applied in secondary battery charging/discharging, electric vehicles, electrical components, etc. It can solve the problems of long battery charging time affecting user experience, limited main control resources, and affecting battery life, etc.

Pending Publication Date: 2021-07-20
HONGYANG HOME APPLIANCES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The same current detection circuit is used for charging and discharging. Due to the large difference in charging and discharging current, under the premise of ensuring accurate discharge detection, when the charging current detection is too large, the battery charging current exceeds the battery charging upper limit threshold and affects battery life. The charging current detection Too small a battery charging time will be too long, which will affect the user experience
[0004] Charging and discharging adopts two-way current detection circuit mode, which can ensure accurate charging and discharging current detection. However, due to the use of two-way current detection circuits, the main control needs to be equipped with two AD ports and peripheral circuits. The main control resources are limited and the cost increases.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0060] Embodiments of the present invention provide a portable food processor, such as figure 1 , figure 2 As shown, it may include: a main control module 1, a charging control module 2, a current detection module 3 and a battery module 4; the battery module 4 provides power for a portable food processor; the current detection module 3 may include: a charging sampling resistor R1 and Discharge sampling resistor R2; the charging sampling resistor R1 is located in the charging loop, and the discharging sampling resistor R2 is located in the discharging loop; the first end of the charging sampling resistor R1 is connected to the second end of the discharging sampling resistor R2, The second end of the charging sampling resistor R1 is grounded; the first end of the discharging sampling resistor R2 is connected to the current sampling port of the main control module;

[0061] The main control module 1 can identify whether the machine is connected to a charging line through the ch...

Embodiment 2

[0085] This embodiment is on the basis of embodiment one, as image 3 As shown, a specific circuit structure embodiment of the charging control module 2 is given.

[0086] In an exemplary embodiment of the present invention, the charging control module 2 may include: a charging line plug-in detection unit 21 , a charging enable control unit 22 and a charging booster unit connected in sequence and connected to the main control module 1 respectively. control unit 23;

[0087] The charging line plug-in detection unit 21 can be connected to the charging detection port IO_USBIN of the main control module 1, and is used to identify whether the machine is connected to a charging line and is about to perform charging work;

[0088] The charging enable control unit 22 may be connected to the enable control port IO_VIN of the main control module 1, for enabling charging under the control of the main control module;

[0089] The charging boost control unit 23 can be connected to the fi...

Embodiment 3

[0100] On the basis of the first or second embodiment, this embodiment provides an embodiment scheme in which the main control module 1 adjusts and protects the charging state according to the collected current value.

[0101] In an exemplary embodiment of the present invention, the battery module 4 may include: a battery voltage detection circuit and a battery temperature detection circuit;

[0102] The battery voltage detection circuit is used to detect the battery voltage;

[0103] The battery temperature detection circuit is used to detect the battery temperature;

[0104] The main control module 1 can also be used to configure a corresponding charging state according to the battery voltage and the battery temperature; the charging state includes: trickle charging, constant current charging and constant voltage charging;

[0105] When the duty cycle of the PWM signal is greater than or equal to the preset minimum duty cycle and less than or equal to the preset maximum duty ...

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PUM

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Abstract

The embodiment of the invention discloses a portable food processor. The portable food processor comprises a main control module, a charging control module, a current detection module and a battery module, wherein the current detection module comprises a charging sampling resistor and a discharging sampling resistor; the first end of the charging sampling resistor is connected with the second end of the discharging sampling resistor, and the second end of the charging sampling resistor is grounded; a first end of the discharge sampling resistor is connected with a current sampling port of the main control module; the main control module identifies whether the machine is connected with a charging line through the charging control module, determines whether to enable the charging control module to start charging according to the current working state, and adjusts the charging current by adjusting the duty ratio in the charging state; the main control module also detects the charging current through the charging sampling resistor in the charging process, and detects the discharging current through the discharging sampling resistor in the discharging process. According to the scheme of the embodiment, on the basis of ensuring the detection precision, charging and discharging current sampling is realized through one port of the master controller, the port utilization rate is improved, and the cost of the whole machine is reduced.

Description

technical field [0001] The embodiment of the present invention relates to cooking equipment control technology, especially to a portable food processor. Background technique [0002] The current detection of charge and discharge of machines such as accompanying cups powered by batteries has the following defects: [0003] The same current detection circuit is used for charging and discharging. Due to the large difference in charging and discharging current, under the premise of ensuring accurate discharge detection, when the charging current detection is too large, the battery charging current exceeds the battery charging upper limit threshold and affects battery life. The charging current detection If the battery is too small, the charging time of the battery will be too long, which will affect the user experience. [0004] Charging and discharging adopts two-way current detection circuit mode, which can ensure accurate charging and discharging current detection. However, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/00H01M10/44
CPCH02J7/0068H02J7/0029H01M10/44Y02E60/10
Inventor 王旭宁詹应安王腾飞王韩
Owner HONGYANG HOME APPLIANCES