CN201622329U - Load detection circuit and food processor - Google Patents
Load detection circuit and food processor Download PDFInfo
- Publication number
- CN201622329U CN201622329U CN2010201123260U CN201020112326U CN201622329U CN 201622329 U CN201622329 U CN 201622329U CN 2010201123260 U CN2010201123260 U CN 2010201123260U CN 201020112326 U CN201020112326 U CN 201020112326U CN 201622329 U CN201622329 U CN 201622329U
- Authority
- CN
- China
- Prior art keywords
- module
- load detecting
- detecting circuit
- motor
- display module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model provides a load detection circuit and a food processor, which are applicable to the technical field of household appliances. The load detection circuit includes a load detection module, a main control module and a display module, wherein the main control module computes the motor rotation speed reflecting motor load magnitude according to the detection signals output by the load detection module, and outputs motor rotating speed signals; and the display module displays the motor rotation speed. The load detection circuit can detect the motor rotation speed of a household appliance, and display the detected speed to a user; the user can know that the household appliances are in the working state through the display of the display module, as well as the motor load magnitude of the household appliances according to the motor rotation speed, therefore the load can be reduced in case of overload, and the damage of the motor can be avoided.
Description
Technical field
The utility model belongs to household electrical appliance technical field, relates in particular to a kind of load detecting circuit and food processor.
Background technology
Now household electrical appliance have been widely used in our daily life, for our life has brought a lot of convenience.
Some household electrical appliance all is equipped with motor such as juice extractor, washing machine etc., and these household electrical appliance rely on motor to come realization work.If the load of household electrical appliance is very big, can damage motor, but existing household electrical appliance do not have the load detecting function, the size that can not detect load is with the prompting user, therefore the user can cause the household electrical appliance motor to damage because do not know the size of household electrical appliance motor load.
The utility model content
The purpose of this utility model is to provide a kind of load detecting circuit, is intended to solve the problem that present user does not know household electrical appliance motor load size.
The utility model is achieved in that a kind of load detecting circuit, and described load detecting circuit comprises:
Detect the revolution number of turns, and the load detecting module of output detection signal;
The main control module that input end is connected with the output terminal of described load detecting module according to the detection signal of described load detecting module output, calculates the motor rotary speed of reflection motor load size, and output motor rotary speed signal; And
Input end is connected with the output terminal of described main control module, shows the display module of motor rotary speed.
In the said structure, described load detecting circuit also comprises respectively the power module that is connected with display module with described load detecting module, main control module.
In the said structure, described load detecting module comprises according to described motor changes of magnetic field, detects the rotating speed detection chip of the revolution number of turns, and described rotating speed detection chip comprises 1 output terminal that is connected with described main control module.
In the said structure, described main control module comprises single-chip microcomputer, described single-chip microcomputer comprises 1 input end and 8 output terminals, and the input end of described single-chip microcomputer is connected with the output terminal of rotating speed detection chip, and 8 output terminals of described single-chip microcomputer are connected with the input end of described display module.
In the said structure, described display module comprises 8 LED display lamps, and the anode of described 8 LED display lamps connects described power module respectively, and the negative electrode of described 8 LED display lamps connects 8 output terminals of described single-chip microcomputer respectively.
In the said structure, described display module comprises the LCD display module, and the power supply termination power module of described LCD display module, the signal input part of described LCD display module connect 8 output terminals of single-chip microcomputer respectively.
Another purpose of the present utility model is to provide a kind of food processor that comprises above-mentioned load detecting circuit.
In the said structure, described food processor comprises juice extractor, fruit juice mixer and stirring machine.
In the utility model, this load detecting circuit can detect the rotating speed of household electrical appliance motor, and be shown to the user, during the user can know just that by the demonstration of display module household electrical appliance are in running order, and the user just can know the size of household electrical appliance motor load according to motor rotary speed, just reduce load if load is excessive, thereby avoid motor to damage.
Description of drawings
Fig. 1 is the structural drawing of the load detecting circuit that provides of the utility model embodiment;
Fig. 2 is the exemplary circuit figure of the load detecting circuit that provides of the utility model first embodiment;
Fig. 3 is the exemplary circuit figure of the load detecting circuit that provides of the utility model second embodiment.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Fig. 1 shows the structure of the load detecting circuit that the utility model embodiment provides.
Load detecting circuit comprises load detecting module 100, main control module 200, display module 300 and power module 400.
Load detecting module 100 detects the revolution number of turns, and output detection signal;
The input end of main control module 200 is connected with the output terminal of load detecting module 100, according to the detection signal of load detecting module 100 outputs, calculates the motor rotary speed of reflection motor load size, and output motor rotary speed signal;
The input end of display module 300 is connected with the output terminal of main control module 200, show motor rotary speed, simultaneously, another function of display module 300 is for showing that to the user whether household electrical appliance are in work, if display module 300 has demonstration, show household electrical appliance in work, if not demonstration of display module 300 shows not work of household electrical appliance.
Load detecting circuit also comprises the power module 400 that is connected with load detecting module 100, main control module 200 and display module 300 respectively.
Fig. 2 shows the exemplary circuit structure of the load detecting circuit that the utility model first embodiment provides.
As the utility model one embodiment, load detecting module 100 comprises according to the motor changes of magnetic field, detect the rotating speed detection chip U1 of the revolution number of turns, rotating speed detection chip U1 comprises 1 output terminal SF that is connected with main control module 200, rotating speed detection chip U1 also comprises the power end Vcc that is connected with the power end VDD of power module 400, and rotating speed detection chip U1 also holds GND with comprising.
As the utility model one embodiment, main control module 200 comprises single-chip microcomputer U2, single-chip microcomputer U2 comprises 1 input end PA0 and 8 output terminal PB0, PB1, PB2, PB3, PB4, PB5, PA2 and PA3, the input end PA0 of single-chip microcomputer U2 is connected with the output terminal SF of rotating speed detection chip U1, and 8 output terminal PB0, PB1, PB2, PB3, PB4, PB5, PA2 and the PA3 of single-chip microcomputer U2 are connected with the input end of display module 300 respectively.Single-chip microcomputer U2 also comprises the power end Vcc that is connected with the power end VDD of power module 400, and ground end GND.
As the utility model one embodiment, display module 300 comprises 8 LED display lamps, be respectively L1, L2, L3, L4, L5, L6, L7 and L8, the anode of 8 LED display lamps meets the power end VDD of power module 400 respectively, and the negative electrode of 8 LED display lamp L1, L2, L3, L4, L5, L6, L7 and L8 meets 8 output terminal PB0, PB1, PB2, PB3, PB4, PB5, PA2 and the PA3 of single-chip microcomputer U2 respectively.
As the utility model one embodiment, display module 300 comprises LCD display module U3, Fig. 3 shows the exemplary circuit structure of the load detecting circuit that the utility model second embodiment provides, the power end Vcc of LCD display module U3 meets the power end VDD of power module 400, and the signal input part In of LCD display module U3 meets 8 output terminal PB0, PB1, PB2, PB3, PB4, PB5, PA2 and the PA3 of single-chip microcomputer U2 respectively.
Be that 8 LED display lamps are the principle of work of example explanation load detecting circuit with display module 300 below:
Rotating speed detection chip U1 is according to the motor changes of magnetic field, detect the revolution number of turns, the moving circle of motor revolution, the level of rotating speed detection chip U1 can change once by height, rotating speed detection chip U1 sends to single-chip microcomputer U2 with detection signal, single-chip microcomputer U2 calculates the motor rotary speed of reflection motor load size, and export to 8 LED display lamps and show, the LED display lamp is divided into 8 class to the rotating speed of motor, and rotating speed is 1 grade the most slowly, shows the load maximum, have only a LED display lamp bright, rotating speed is 8 grades the soonest, shows the load minimum, and 8 LED display lamps are bright entirely.
The utility model embodiment also provides a kind of food processor, and food processor comprises above-mentioned load detecting circuit.Food processor comprises juice extractor, fruit juice mixer and stirring machine.
In the utility model embodiment, this load detecting circuit can detect the rotating speed of household electrical appliance motor, and be shown to the user, during the user can know just that by the demonstration of display module household electrical appliance are in running order, and the user just can know the size of household electrical appliance motor load according to motor rotary speed, just reduce load if load is excessive, thereby avoid motor to damage.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (8)
1. a load detecting circuit is characterized in that, described load detecting circuit comprises:
Detect the revolution number of turns, and the load detecting module of output detection signal;
The main control module that input end is connected with the output terminal of described load detecting module according to the detection signal of described load detecting module output, calculates the motor rotary speed of reflection motor load size, and output motor rotary speed signal; And
Input end is connected with the output terminal of described main control module, shows the display module of motor rotary speed.
2. load detecting circuit as claimed in claim 1 is characterized in that, described load detecting circuit also comprises respectively the power module that is connected with display module with described load detecting module, main control module.
3. load detecting circuit as claimed in claim 2, it is characterized in that, described load detecting module comprises according to described motor changes of magnetic field, detects the rotating speed detection chip of the revolution number of turns, and described rotating speed detection chip comprises 1 output terminal that is connected with described main control module.
4. load detecting circuit as claimed in claim 3, it is characterized in that, described main control module comprises single-chip microcomputer, described single-chip microcomputer comprises 1 input end and 8 output terminals, the input end of described single-chip microcomputer is connected with the output terminal of rotating speed detection chip, and 8 output terminals of described single-chip microcomputer are connected with the input end of described display module.
5. load detecting circuit as claimed in claim 4, it is characterized in that, described display module comprises 8 LED display lamps, and the anode of described 8 LED display lamps connects described power module respectively, and the negative electrode of described 8 LED display lamps connects 8 output terminals of described single-chip microcomputer respectively.
6. load detecting circuit as claimed in claim 4 is characterized in that described display module comprises the LCD display module, and the power supply termination power module of described LCD display module, the signal input part of described LCD display module connect 8 output terminals of single-chip microcomputer respectively.
7. a food processor is characterized in that, described food processor comprises each described load detecting circuit as claim 1-6.
8. food processor as claimed in claim 7 is characterized in that described food processor comprises juice extractor, fruit juice mixer and stirring machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201123260U CN201622329U (en) | 2010-02-04 | 2010-02-04 | Load detection circuit and food processor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201123260U CN201622329U (en) | 2010-02-04 | 2010-02-04 | Load detection circuit and food processor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201622329U true CN201622329U (en) | 2010-11-03 |
Family
ID=43025787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201123260U Expired - Fee Related CN201622329U (en) | 2010-02-04 | 2010-02-04 | Load detection circuit and food processor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201622329U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102761303A (en) * | 2011-04-28 | 2012-10-31 | 朱利和 | Motor rotating speed control device |
| CN103157402A (en) * | 2011-12-16 | 2013-06-19 | 深圳市堃琦鑫华科技有限公司 | Stirrer controlling device |
| CN109748061A (en) * | 2018-12-28 | 2019-05-14 | 珠海优特智厨科技有限公司 | Blanking condition detection method, device and equipment |
| CN111278337A (en) * | 2017-10-02 | 2020-06-12 | 光达家电用品公司 | Intelligent stirrer |
-
2010
- 2010-02-04 CN CN2010201123260U patent/CN201622329U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102761303A (en) * | 2011-04-28 | 2012-10-31 | 朱利和 | Motor rotating speed control device |
| CN103157402A (en) * | 2011-12-16 | 2013-06-19 | 深圳市堃琦鑫华科技有限公司 | Stirrer controlling device |
| CN103157402B (en) * | 2011-12-16 | 2015-12-16 | 深圳市堃琦鑫华股份有限公司 | A kind of agitator control device |
| CN111278337A (en) * | 2017-10-02 | 2020-06-12 | 光达家电用品公司 | Intelligent stirrer |
| US11864691B2 (en) | 2017-10-02 | 2024-01-09 | Sunbeam Products, Inc. | Intelligent blender |
| CN109748061A (en) * | 2018-12-28 | 2019-05-14 | 珠海优特智厨科技有限公司 | Blanking condition detection method, device and equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201622329U (en) | Load detection circuit and food processor | |
| CN201577081U (en) | Capacitive touch induction key circuit | |
| CN103675424A (en) | Zero-crossing and standby zero consumption key detection circuit and washing machine | |
| CN102411082A (en) | Energy-saving zero crossing detection circuit and apparatus thereof | |
| CN202187895U (en) | Submersible pump control circuit and submersible pump with self-protection function | |
| CN201310962Y (en) | IGBT (Insulated Gate Bipolar Transistor) protection device of induction cooker | |
| CN103516270A (en) | Rotation speed control circuit and method for motor | |
| CN104600660A (en) | Low-power-consumption short circuit protection circuit | |
| CN215378794U (en) | Dynamic braking circuit of servo motor | |
| CN202405760U (en) | Over-current protection circuit of frequency converter | |
| CN201766543U (en) | Permanent-magnetic synchronous brushless motor controller | |
| CN203883732U (en) | Electronic centrifugal switch circuit for double-speed motor | |
| CN201083814Y (en) | Stepper motor detection device | |
| CN201707398U (en) | Three-phase power supply input open-phase detecting circuit | |
| CN2847304Y (en) | Three phase electronic leakage and electricity stealing detecting electric energy meter | |
| CN208636374U (en) | A kind of a-c cycle detection circuit | |
| CN209088529U (en) | Frequency converter output earth short circuit protective device | |
| CN207502953U (en) | Power supply sequencing control circuit | |
| CN201332464Y (en) | Switch power supply circuit and television | |
| CN202522637U (en) | Inverter pulse recognition system | |
| CN204374311U (en) | Open phases of three-phase power source testing circuit | |
| CN202533555U (en) | Rapid detection apparatus of bluetooth chip | |
| CN203159943U (en) | Pulsator washing machine | |
| CN204286492U (en) | Automobile combination meter device for fast detecting | |
| CN204028227U (en) | A kind of phase difference measuring circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: AIRLUX ELECTROMECHANICAL TECHNOLOGY (SHENZHEN) CO. Free format text: FORMER NAME: SHENZHEN BAOAN TANGFENG ELECTRIC APPLIANCES FACTORY |
|
| CP03 | Change of name, title or address |
Address after: 518000 Xixiang, Guangdong, Sichuan Province, Huang Fu Tang Feng Industrial Park, Shenzhen Patentee after: Airlux Electrical Co., Ltd. Address before: 518000 Guangdong city of Shenzhen province Baoan District Xixiang jute cloth Feng Industrial Park, a kind of bamboo angle Tang Patentee before: Shenzhen Bo'an Tangfeng Electric Appliances Plant |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101103 Termination date: 20180204 |