CN202435325U - Braking circuit of food processor - Google Patents
Braking circuit of food processor Download PDFInfo
- Publication number
- CN202435325U CN202435325U CN2011203969748U CN201120396974U CN202435325U CN 202435325 U CN202435325 U CN 202435325U CN 2011203969748 U CN2011203969748 U CN 2011203969748U CN 201120396974 U CN201120396974 U CN 201120396974U CN 202435325 U CN202435325 U CN 202435325U
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- Prior art keywords
- circuit
- motor
- rotor
- winding
- stator
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- 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 - Lifetime
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- 235000013305 food Nutrition 0.000 title claims abstract description 23
- 238000004804 winding Methods 0.000 claims abstract description 43
- 239000003990 capacitor Substances 0.000 claims description 16
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000006378 damage Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 208000027418 Wounds and injury Diseases 0.000 description 5
- 208000014674 injury Diseases 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 2
- 235000021404 traditional food Nutrition 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- Food-Manufacturing Devices (AREA)
- Stopping Of Electric Motors (AREA)
Abstract
The utility model relates to a food preparation machine, concretely relates to food preparation machine braking circuit. A braking circuit of a food processor comprises two power supply pins and a motor driving circuit, wherein the two power supply pins are used for being connected with a mains supply alternating current power supply, the motor driving circuit is connected with the two power supply pins, a stator braking winding and a safety microswitch are connected onto the motor driving circuit, the stator braking winding is connected onto the motor driving circuit and forms a braking loop with the safety microswitch, and the stator braking winding can control a motor to stop running. The rotor is instantaneously braked and stopped rotating by using the back electromotive force of the brake winding, so that the cutter is prevented from hurting a user.
Description
Technical field
The utility model relates to a kind of food processor, is specifically related to a kind of food processor braking circuit.
Background technology
Small household electrical appliances such as food processor get in people's the life more and more, have brought many facilities to people, food processor be usually used in family, ice, places such as supermarket, dining room, fruit shop, range of application is very extensively.Because the rotator inertia of alternating current machine, but rotor also can be rotated further until out of service food processor in when outage, can't satisfy in 1.5s, shut down injury user and then produce contingency of complete machine outage back cutter.
Summary of the invention
The technical problem that the utility model solves provides a kind of food processor braking circuit, can motor shut down.
For solving the problems of the technologies described above; The technical scheme that the utility model adopts is: a kind of food processor braking circuit, comprise two power pins, the motor-drive circuit that are used to insert the mains ac power supply, and motor-drive circuit is connected with two power pins; Wherein, Be connected with stator brake winding and safe sensitive switch on the described motor-drive circuit, stator brake winding is connected on the motor-drive circuit and constitutes brake circuits with the safety sensitive switch, and stator brake winding can shut down by motor.Traditional food processor is provided with motor-drive circuit; But owing to the rotator inertia of alternating current machine, rotor also can be rotated further until out of service food processor when outage, and cutter damages the user easily; Have additional stator brake winding and safe sensitive switch now; Stator brake winding is parallel on the motor-drive circuit and constitutes brake circuits with the safety sensitive switch, utilizes the back electromotive force of brake winding that rotor moment braking is stopped operating, and prevents cutter injury user.
Described stator brake winding can be controlled motor and after outage, shut down in the 1.5s.Motor shuts down in 1.5s and has guaranteed that cutter is difficult to the user is damaged.
Described safe sensitive switch comprises first port, second port and the 3rd port, and first port and the 3rd port conducting form normally closed interlock, and first port and the second port conducting form normally open contact.
Described motor-drive circuit comprises rotor circuit, and described stator brake winding one end is connected with rotor circuit, and the other end is connected with sensitive switch, and normally closed interlock conducting and stator brake winding and rotor circuit constitute brake circuits.Rotor circuit and stator brake winding is connected, and during the normally closed interlock conducting of safe sensitive switch, the rotor that is originally just changeing receives the brake effect of winding back electromotive force of stator and can stop operating at once.
Described motor-drive circuit comprises stator winding, circuit protecting element and the rotor circuit of series connection successively, and the normally open contact conducting constitutes motor-drive circuit.Described circuit protecting element is fuse or thermostat.During the motor normal operation, the normally open contact conducting of safe sensitive switch, stator brake winding can store electromotive force, cuts off motor-drive circuit when fuse or thermostat can make motor overload and quits work.
Described rotor circuit comprises inductance L 1, inductance L 2, capacitor C 1, capacitor C 2, rotor R, rotor R one end ground connection, and capacitor C 1 is connected with rotor R with capacitor C 2 difference one end, other end ground connection, inductance L 1 is connected with rotor R with inductance L 2.Inductance L 1, inductance L 2, capacitor C 1, capacitor C 2 play the effect of electromagnetic interference (EMC) in circuit, if can reach identical effect to these elements removals.
Compared with prior art; Beneficial effect is: be connected with stator brake winding and sensitive switch on the motor-drive circuit of the utility model; Stator brake winding is connected on the motor-drive circuit and constitutes brake circuits with the safety sensitive switch, and stator brake winding can be controlled motor and shut down.Utilize the back electromotive force of brake winding that rotor moment braking is stopped operating, prevent cutter injury user.
Description of drawings
Fig. 1 is the integrated circuit sketch map of the utility model.
Embodiment
A kind of food processor braking circuit; Comprise two power pins, the motor-drive circuit 10 that are used to insert the mains ac power supply; Motor-drive circuit 10 is connected with two power pins, wherein, is connected with stator brake winding 20 and safe sensitive switch 30 on the described motor-drive circuit 10; Stator brake winding 20 is connected on the motor-drive circuit 10 and constitutes brake circuits with safety sensitive switch 30, and stator brake winding 20 can be controlled motor and shut down.Traditional food processor is provided with motor-drive circuit; Owing to the rotator inertia of alternating current machine, rotor also can be rotated further until out of service food processor when outage, and cutter damages the user easily; Have additional stator brake winding and sensitive switch now; Stator brake winding is parallel on the motor-drive circuit and constitutes brake circuits with the safety sensitive switch, utilizes the back electromotive force of stator brake winding that rotor moment braking is stopped operating, and prevents cutter injury user.
Described stator brake winding 20 can be controlled motor and after outage, shut down in the 1.5s.Motor shuts down in 1.5s and has guaranteed that cutter is difficult to the user is damaged.
Described safe sensitive switch 30 comprises that first port one, second port 2 and the 3rd port 3, the first port ones and 3 conductings of the 3rd port form normally closed interlock, and first port one and 2 conductings of second port form normally open contact.
Described motor-drive circuit 10 comprises rotor circuit 14, and described stator brake winding 20 1 ends are connected with rotor circuit 14, and the other end is connected with safe sensitive switch 30, and normally closed interlock conducting and stator brake winding 20 constitute brake circuits with rotor circuit 14.Rotor circuit 14 and stator brake winding 20 is connected, and during safe sensitive switch conducting, the rotor that is originally just changeing receives the brake effect of winding 20 back electromotive force of stator and can stop operating at once.
Described motor-drive circuit 10 comprises stator winding 11, stator winding 12, circuit protecting element 13 and the rotor circuit 14 of series connection successively, and the normally open contact conducting constitutes motor-drive circuit 10.Described circuit protecting element 13 is fuse or thermostat.During the motor normal operation, the normally open contact conducting of safe sensitive switch 30, stator brake winding 20 can store electromotive force, cuts off motor-drive circuit 10 when fuse or thermostat can make motor overload and quits work.
Described rotor circuit 14 comprises inductance L 1, inductance L 2, capacitor C 1, capacitor C 2, rotor R, and capacitor C 1 is connected with rotor R with capacitor C 2 difference one end, other end ground connection, and inductance L 1 is connected with rotor R with inductance L 2.Inductance L 1, inductance L 2, capacitor C 1, capacitor C 2 play the effect of electromagnetic interference (EMC) in circuit, if can reach identical effect to these elements removals.
Operation principle is the food processor energized; Normally open contact conducting on the sensitive switch 30, motor-drive circuit 10 work, rotor R is rotated in the forward; When the food processing tester in power-down state quits work; Normally closed interlock conducting on the sensitive switch 30 utilizes the back electromotive force of stator brake winding 20 that rotor R moment braking is stopped operating, and prevents cutter injury user.
The above only is the preferred implementation of the utility model; Should be understood that; For those skilled in the art, under the prerequisite that does not break away from the utility model principle, can do the improvement of some suitable actual conditions to the technical scheme of utility model.Therefore, the protection range of the utility model is not limited thereto, and those of skill in the art are any to be included within the utility model protection range based on non-material change on the utility model technical scheme.
Claims (6)
1. food processor braking circuit; Comprise two power pins, the motor-drive circuit (10) that are used to insert the mains ac power supply; Motor-drive circuit (10) is connected with two power pins; It is characterized in that: be connected with stator brake winding (20) and safe sensitive switch (30) on the described motor-drive circuit (10); Stator brake winding (20) is connected in motor-drive circuit (10) and goes up and safe sensitive switch (30) formation brake circuits, and stator brake winding (20) can be controlled motor and shut down.
2. a kind of food processor braking circuit according to claim 1; It is characterized in that: described safe sensitive switch (30) comprises first port (1), second port (2) and the 3rd port (3); First port (1) forms normally closed interlock with the 3rd port (3) conducting, and first port (1) forms normally open contact with second port (2) conducting.
3. a kind of food processor braking circuit according to claim 2; It is characterized in that: described motor-drive circuit (10) comprises rotor circuit (14); Described stator brake winding (20) one ends are connected with rotor circuit (14); The other end is connected with safe sensitive switch (30), and normally closed interlock conducting and stator brake winding (20) and rotor circuit (14) constitute brake circuits.
4. a kind of food processor braking circuit according to claim 3; It is characterized in that: described motor-drive circuit (10) comprises stator winding (11), stator winding (12), circuit protecting element (13) and the rotor circuit (14) of series connection successively, and the normally open contact conducting constitutes motor-drive circuit (10).
5. a kind of food processor braking circuit according to claim 4 is characterized in that: described circuit protecting element (13) is fuse or thermostat.
6. a kind of food processor braking circuit according to claim 4; It is characterized in that: described rotor circuit (14) comprises inductance L 1, inductance L 2, capacitor C 1, capacitor C 2, rotor R; Capacitor C 1 is connected with rotor R with capacitor C 2 difference one end; Other end ground connection, inductance L 1 is connected with rotor R with inductance L 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203969748U CN202435325U (en) | 2011-10-18 | 2011-10-18 | Braking circuit of food processor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203969748U CN202435325U (en) | 2011-10-18 | 2011-10-18 | Braking circuit of food processor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202435325U true CN202435325U (en) | 2012-09-12 |
Family
ID=46784733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203969748U Expired - Lifetime CN202435325U (en) | 2011-10-18 | 2011-10-18 | Braking circuit of food processor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202435325U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787969A (en) * | 2016-08-25 | 2017-05-31 | 深圳市锐钜科技有限公司 | Alternating current generator brake gear and its control method |
| US11201572B2 (en) | 2019-06-10 | 2021-12-14 | Milwaukee Electric Tool Corporation | Motor braking using selectively connectable resistance |
-
2011
- 2011-10-18 CN CN2011203969748U patent/CN202435325U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787969A (en) * | 2016-08-25 | 2017-05-31 | 深圳市锐钜科技有限公司 | Alternating current generator brake gear and its control method |
| US11201572B2 (en) | 2019-06-10 | 2021-12-14 | Milwaukee Electric Tool Corporation | Motor braking using selectively connectable resistance |
| US11909345B2 (en) | 2019-06-10 | 2024-02-20 | Milwaukee Electric Tool Corporation | Motor braking using selectively connectable resistance |
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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: MIDEA GROUP CO., LTD. Free format text: FORMER NAME: MEIDI GROUP CO. LTD. |
|
| CP03 | Change of name, title or address |
Address after: 528311 Guangdong, Foshan, Beijiao, the United States, the United States and the United States on the avenue of the United States, the headquarters of the United States building B floor, District, 26-28 Patentee after: MIDEA GROUP Co.,Ltd. Address before: 528311 Beijiao, Foshan, Shunde District, the town of Guangdong, the United States Avenue, No. 6 Patentee before: Midea Group |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120912 |