CN208524676U - Cooking machine controller for heat sink - Google Patents
Cooking machine controller for heat sink Download PDFInfo
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- CN208524676U CN208524676U CN201721330509.8U CN201721330509U CN208524676U CN 208524676 U CN208524676 U CN 208524676U CN 201721330509 U CN201721330509 U CN 201721330509U CN 208524676 U CN208524676 U CN 208524676U
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- controller
- temperature
- rotating speed
- fixed rotating
- speed motor
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- Control Of Motors That Do Not Use Commutators (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Abstract
The utility model provides a kind of cooking machine controller for heat sink, it include: fixed rotating speed motor, radiator fan, brushless motor, stirring blade, temperature sensor and controller, the output end of fixed rotating speed motor is connect with radiator fan, the output end of brushless motor is connect with stirring blade, first control terminal of controller is connect by frequency converter with brushless motor, temperature sensor detects the inside of the IGBT/IPM module inside frequency converter or the temperature on surface, second control terminal of controller is connect by switch element with the control terminal of fixed rotating speed motor, controller control switching elements conductive when temperature is more than the first temperature is in the conductive state to open fixed rotating speed motor.The utility model realizes heat dissipation by the start and stop of control fixed rotating speed motor, can control the temperature on the inside of IGBT/IPM module or surface in suitable range, to be effectively protected module not excess temperature, realizes the protection to module.
Description
Technical field
The utility model relates to cooking machine technical field, in particular to a kind of cooking machine controller for heat sink.
Background technique
Currently, household cooking machine or Domestic fruit juice extractor, are generally controlled using brushed DC motor, due to there is brush electricity
The deficiencies of electromechanical brush has service life short, and noise is big and has spark, and low efficiency, and running frequency immobilizes has brush electricity
Machine is gradually replaced brushless motor.And permanent-magnet brushless DC electric machine has efficiency high, brushless and running frequency can
Become to a variety of advantages such as energy conservations, is widely used in the multiple fields such as household electrical appliances, weaving, medical treatment, automobile, new energy.
Household cooking machine, when being controlled using brshless DC motor, using the IPM of 6 IGBT or integrated 6 IGBT
Direct current is become the alternating current of changeable frequency as inverter by module, controls the operation of brshless DC motor, as motor is transported
Extension IGBT or IPM the inside modules temperature of the increasing of row electric current perhaps runing time can gradually rise, and only depend on IGBT/IPM
Cooling fin cannot reduce the inside modules temperature of IGBT/IPM well, need plus fan radiates to IGBT/IPM.Tradition
Heat dissipating method be, connection and the coaxial fan blade of brshless DC motor shaft, when the motor rotates, fan blade with turn
It is dynamic, to solve the problems, such as that IGBT IPM internal temperature rises.
Utility model content
The utility model provides a kind of cooking machine controller for heat sink, to solve in IGBT or IPM in the prior art
Portion's temperature rises problem.
To solve the above problems, the one aspect as the utility model, provides a kind of cooking machine controller for heat sink,
It include: fixed rotating speed motor, radiator fan, brushless motor, stirring blade, temperature sensor and controller, the fixed rotating speed
The output end of motor is connect with the radiator fan, and the output end of the brushless motor is connect with the stirring blade, the control
First control terminal of device processed is connect by frequency converter with the brushless motor, and the temperature sensor detects inside the frequency converter
IGBT/IPM module inside or surface temperature, the second control terminal of the controller passes through switch element and the fixation
The control terminal of revolving speed motor connects, and the controller controls at the switching elements conductive when the temperature is more than the first temperature
In on state to open the fixed rotating speed motor.
Preferably, the switch element is relay or silicon-controlled.
The utility model realizes heat dissipation by the start and stop of control fixed rotating speed motor, can by the inside of IGBT/IPM module or
The temperature control on surface, to be effectively protected module not excess temperature, realizes the protection to module in suitable range.
Detailed description of the invention
Fig. 1 schematically shows the structural schematic diagram of the utility model.
Specific embodiment
The embodiments of the present invention are described in detail below in conjunction with attached drawing, but the utility model can be by right
It is required that the multitude of different ways for limiting and covering is implemented.
The one aspect of the utility model provides a kind of cooking machine controller for heat sink, comprising: fixed rotating speed motor,
Radiator fan, brushless motor, stirring blade, temperature sensor and controller, the output end of the fixed rotating speed motor with it is described
Radiator fan connection, the output end of the brushless motor are connect with the stirring blade, and the first control terminal of the controller is logical
It crosses frequency converter to connect with the brushless motor, the temperature sensor detects the interior of the IGBT/IPM module inside the frequency converter
Second control terminal of the temperature in portion or surface, the controller is connected by the control terminal of switch element and the fixed rotating speed motor
It connects, it is in the conductive state to open that the controller controls the switching elements conductive when the temperature is more than the first temperature
State fixed rotating speed motor.It is highly preferred that when temperature be lower than second temperature when, controller control switch element be in an off state with
Stop the fixed rotating speed motor.Preferably, the switch element is relay or silicon-controlled.
The utility model realizes heat dissipation by the start and stop of control fixed rotating speed motor, can by the inside of IGBT/IPM module or
The temperature control on surface, to be effectively protected module not excess temperature, realizes the protection to module in suitable range.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (2)
1. a kind of cooking machine controller for heat sink characterized by comprising fixed rotating speed motor, radiator fan, brushless motor,
The output end of stirring blade, temperature sensor and controller, the fixed rotating speed motor is connect with the radiator fan, the nothing
The output end of brush motor is connect with the stirring blade, and the first control terminal of the controller passes through frequency converter and the brushless electricity
Machine connection, the temperature sensor detects the inside of the IGBT/IPM module inside the frequency converter or the temperature on surface, described
Second control terminal of controller is connect by switch element with the control terminal of the fixed rotating speed motor, and the controller is described
It is in the conductive state to open the fixed rotating speed motor that temperature controls the switching elements conductive when being more than the first temperature.
2. cooking machine controller for heat sink according to claim 1, which is characterized in that the switch element be relay or
It is silicon-controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721330509.8U CN208524676U (en) | 2017-10-13 | 2017-10-13 | Cooking machine controller for heat sink |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721330509.8U CN208524676U (en) | 2017-10-13 | 2017-10-13 | Cooking machine controller for heat sink |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208524676U true CN208524676U (en) | 2019-02-22 |
Family
ID=65398336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721330509.8U Active CN208524676U (en) | 2017-10-13 | 2017-10-13 | Cooking machine controller for heat sink |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208524676U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113057504A (en) * | 2021-03-05 | 2021-07-02 | 深圳拓邦股份有限公司 | Method and device for controlling non-falling speed of stirrer and stirrer |
-
2017
- 2017-10-13 CN CN201721330509.8U patent/CN208524676U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113057504A (en) * | 2021-03-05 | 2021-07-02 | 深圳拓邦股份有限公司 | Method and device for controlling non-falling speed of stirrer and stirrer |
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