CN212515437U - Household electrical appliance control device - Google Patents
Household electrical appliance control device Download PDFInfo
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- CN212515437U CN212515437U CN202021627390.2U CN202021627390U CN212515437U CN 212515437 U CN212515437 U CN 212515437U CN 202021627390 U CN202021627390 U CN 202021627390U CN 212515437 U CN212515437 U CN 212515437U
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Abstract
The utility model discloses a household appliance controlling means relates to household appliance technical field. The device includes the master control board, the output of master control board is connected with three-phase full-bridge contravariant and full-bridge drive module more than two, and every full-bridge drive module is connected with a three-phase inverter motor, controls more than two through a master control board drive module work, and then passes through drive module control is corresponding three-phase inverter motor work. The control device can reduce the cost and complexity of the household appliance.
Description
Technical Field
The utility model relates to the technical field of household appliances, especially, relate to a household appliance controlling means.
Background
The functions of the existing household appliances are more and more complex, the requirements on noise and efficiency are more and more high, one household appliance needs more and more three-phase variable frequency motors, for example, a double-drum washing machine integrating a drum and a pulsator washing machine, a washing machine integrating a drum washing machine and a dryer, and a dish washing machine is also developed towards multiple motors. In the prior art, the household appliances mentioned at present are realized by independent frequency converters for three-phase variable frequency motors, so that the cost is high and the system is complicated.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem how to provide a domestic appliance controlling means that can reduce domestic appliance's cost and complexity.
In order to solve the technical problem, the utility model discloses the technical scheme who takes is: a household appliance control device is characterized in that: the three-phase inverter comprises a main control panel, the output of main control panel is connected with more than two three-phase full-bridge inversion modules, and every three-phase full-bridge inversion module is connected with a three-phase variable frequency motor, and every three-phase full-bridge inversion drive module is connected with control chip, controls more than two through a main control panel drive module work, and then pass through inversion module control is corresponding three-phase variable frequency motor work.
The further technical scheme is as follows: including the master control board, an output of master control board is connected with first control chip's input, first control chip's output is connected with two three-phase full-bridge contravariant drive module inputs respectively, and three-phase full-bridge contravariant drive module is connected with three-phase full-bridge contravariant module's input, another output and the second control chip's of master control board input are connected, second control chip's output and a three-phase full-bridge contravariant drive module's input are connected, and three-phase full-bridge contravariant drive module's output is connected with three-phase full-bridge contravariant's input, every three-phase full-bridge contravariant module's output is connected with a three-phase inverter motor's input.
Preferably, the first control chip comprises two frequency converter modules and two frequency converter control chip modules.
The further technical scheme is as follows: including the master control board, an output of master control board is connected with first control chip's input, first control chip's output is connected with three-phase full-bridge contravariant drive module's input respectively, and drive module and then is connected with the input of full-bridge contravariant module, every three-phase full-bridge contravariant module's output is connected with a three-phase inverter motor's input.
Preferably, the first control chip comprises three frequency converter modules and three frequency converter control chip modules.
The further technical scheme is as follows: the three-phase inverter comprises a main control panel, two output ends of the main control panel are respectively connected with the input end of a three-phase full-bridge inversion driving module, the output end of the driving module is further connected with the input end of the full-bridge inversion module, and the output end of the three-phase full-bridge inversion module is connected with the input end of a three-phase variable frequency motor.
Preferably, the main control panel comprises two frequency converter modules, two frequency converter control chip modules and a main control chip.
The further technical scheme is as follows: the three output ends of the main control panel are respectively connected with the input end of a three-phase full-bridge inversion driving module, the output end of the driving module is further connected with the input end of the full-bridge inversion module, and each output end of the three-phase full-bridge inversion module is connected with the input end of a three-phase variable frequency motor.
Preferably, the main control panel comprises three frequency converter modules, three frequency converter control chip modules and a main control chip.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in: this application has realized a plurality of three-phase inverter motor's control through single control chip through a plurality of control chip integration into single control chip. The converter has alternating current rectifier circuit mostly, switching power supply circuit, through the integration back of this application, switching power supply circuit only need remain one, and other can omit, and the rectification electric current also only need remain one, and other can omit, including a plurality of control chip become a control chip, so can practice thrift a lot of components and parts resources, can realize the decline by a wide margin of cost simultaneously, improve the reliability.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic diagram of a prior art control device;
fig. 2 is a schematic block diagram of the control device according to the first embodiment of the present invention;
fig. 3 is a schematic block diagram of a control device according to a second embodiment of the present invention;
fig. 4 is a schematic block diagram of a control device according to a third embodiment of the present invention;
fig. 5 is a schematic block diagram of a control device according to a fourth embodiment of the present invention;
FIG. 6 is a detailed block diagram of a prior art control device inverter, taking a three-phase inversion driving module and a three-phase inversion module two-in-one module (IPM) as an example;
fig. 7 is a detailed block diagram of the utility model discloses two motors of single-chip simultaneous control, has simultaneously illustrated three-phase contravariant drive module and three-phase contravariant module (contravariant drive with discrete device) and two unification modules of three-phase contravariant drive module three-phase contravariant module (IPM).
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
The utility model discloses a household appliance control device, including the master control board, the output of master control board is connected with three-phase full-bridge contravariant drive module and three-phase full-bridge contravariant module more than two, and every full-bridge contravariant module is connected with a three-phase inverter motor, controls more than two through a master control board drive module work, and then passes through contravariant module control is corresponding three-phase inverter motor works.
This application has realized a plurality of three-phase inverter motor's control through single control chip through a plurality of control chip integration into single control chip. Most of the frequency converters include an ac rectifier circuit and a switching power supply circuit. After the integration of the ACDC switching power supply circuit, only one ACDC switching power supply circuit needs to be reserved, and the others can be omitted; only one rectifying circuit is required to be reserved, and the others can be omitted; and a plurality of control chips are changed into one control chip, so that a plurality of component resources can be saved, the cost can be greatly reduced, and the reliability is improved.
The method can further integrate the main control function to the control chip control in the background block diagram on the basis of integrating a plurality of frequency converters into one frequency converter. The application can integrate many variations, and the following variations are mainly listed, and the scope of protection of the application is not limited to the exemplary variations. Mainly exemplifies the evolution mode of controlling two three-phase variable frequency motors and three-phase variable frequency motors by a single chip. The protection scope of this application is not restricted to two three-phase inverter motor of single-chip control and three-phase inverter motor, and single-chip control three or more three-phase inverter motor also is in the protection scope, no longer lists, mainly lists following four kinds of evolution modes.
Example one
As shown in fig. 2, an embodiment of the present invention discloses a household appliance control device, which comprises a main control panel, wherein an output end of the main control panel is connected with an input end of a first control chip, an output end of the first control chip is respectively connected with input ends of two three-phase full-bridge driving modules, an input end of the three-phase full-bridge driving module is connected with an input end of a three-phase full-bridge inverter, another output end of the main control panel is connected with an input end of a second control chip, an output end of the second control chip is connected with an input end of a three-phase full-bridge driving module, and an output end of each three-phase full-bridge inverter module is connected with an input end of a; as shown in fig. 2, the first control chip includes two frequency converter modules and two frequency converter control chip modules.
Example two
As shown in fig. 3, an embodiment of the present invention discloses a household appliance control device, which comprises a main control panel, wherein an output end of the main control panel is connected with an input end of a first control chip, an output end of the first control chip is respectively connected with input ends of three-phase full-bridge driving modules, an input end of each three-phase full-bridge driving module is connected with an input end of a corresponding three-phase full-bridge inversion module, and an output end of each three-phase full-bridge inversion module is connected with an input end of a three-phase variable frequency motor; as shown in fig. 3, the first control chip includes three frequency converter modules and three frequency converter control chip modules.
EXAMPLE III
As shown in fig. 4, an embodiment of the present invention discloses a household appliance control device, which comprises a main control panel, wherein two output ends of the main control panel are respectively connected with input ends of two three-phase full-bridge driving modules, an input end of each three-phase full-bridge driving module is connected with an input end of a corresponding three-phase full-bridge inversion module, and an output end of each three-phase full-bridge inversion module is connected with an input end of a three-phase variable frequency motor; as shown in fig. 4, the main control board includes two frequency converter modules, two frequency converter control chip modules, and a main control chip.
Example four
As shown in fig. 5, an embodiment of the present invention discloses a household appliance control device, which comprises a main control panel, wherein three output ends of the main control panel are respectively connected with an input end of a three-phase full-bridge driving module, an input end of each three-phase full-bridge driving module is connected with an input end of a corresponding three-phase full-bridge inversion module, and an output end of each three-phase full-bridge inversion module is connected with an input end of a three-phase variable frequency motor; as shown in fig. 5, the main control board includes three frequency converter modules, three frequency converter control chip modules, and a main control chip.
Claims (9)
1. A household appliance control device is characterized in that: the three-phase inverter comprises a main control panel, the output of main control panel is connected with more than two three-phase full-bridge inversion modules, and every three-phase full-bridge inversion module is connected with a three-phase variable frequency motor, and every three-phase full-bridge inversion drive module is connected with control chip, controls more than two through a main control panel drive module work, and then pass through inversion module control is corresponding three-phase variable frequency motor work.
2. The home appliance control device according to claim 1, wherein: an output of the main control panel is connected with an input of the first control chip, an output of the first control chip is connected with inputs of the two three-phase full-bridge inversion driving modules respectively, so that the two three-phase full-bridge inversion modules are connected, another output of the main control panel is connected with an input of the second control chip, an output of the second control chip is connected with inputs of the two three-phase full-bridge inversion driving modules, so that the two three-phase full-bridge inversion modules are connected, and every output of the three-phase full-bridge inversion module is connected with an input of a three-phase variable frequency motor.
3. The home appliance control device according to claim 2, wherein: the first control chip comprises two frequency converter modules and two frequency converter control chip modules.
4. The home appliance control device according to claim 1, wherein: an output of the main control board is connected with an input of the first control chip, an input of the three-phase full-bridge inversion driving module is connected with an output of the control chip, an output of the first control chip is connected with an input of the three-phase full-bridge inversion driving module respectively, and then the three-phase full-bridge inversion module is connected, and every output of the three-phase full-bridge inversion module is connected with an input of a three-phase variable frequency motor.
5. The home appliance control device according to claim 4, wherein: the first control chip comprises three frequency converter modules and three frequency converter control chip modules.
6. The home appliance control device according to claim 1, wherein: two output ends of the main control board are respectively connected with the input end of a three-phase full-bridge inversion driving module, so that the three-phase full-bridge inversion driving module is connected, and each output end of the three-phase full-bridge inversion driving module is connected with the input end of a three-phase variable frequency motor.
7. The home appliance control device according to claim 6, wherein: the main control panel comprises two frequency converter modules, two frequency converter control chip modules and a main control chip.
8. The home appliance control device according to claim 1, wherein: the three output ends of the main control panel are respectively connected with the input end of a three-phase full-bridge inversion driving module, so that the three-phase full-bridge inversion driving module is connected, and each output end of the three-phase full-bridge inversion driving module is connected with the input end of a three-phase variable frequency motor.
9. The home appliance control device according to claim 7, wherein: the main control panel comprises three frequency converter modules, three frequency converter control chip modules and a main control chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021627390.2U CN212515437U (en) | 2020-08-07 | 2020-08-07 | Household electrical appliance control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021627390.2U CN212515437U (en) | 2020-08-07 | 2020-08-07 | Household electrical appliance control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212515437U true CN212515437U (en) | 2021-02-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021627390.2U Active CN212515437U (en) | 2020-08-07 | 2020-08-07 | Household electrical appliance control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212515437U (en) |
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2020
- 2020-08-07 CN CN202021627390.2U patent/CN212515437U/en active Active
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Address after: 230011 107, block 2 D, urban science and Technology Industrial Park, Yaohai District, Hefei City, Anhui Province Patentee after: Hefei Melloni Intelligent Technology Co.,Ltd. Address before: 528000 No. 803, block 7, Mingdi Haoting, Jianhua Road, Ronggui street, Shunde District, Foshan City, Guangdong Province Patentee before: Hefei Melloni Intelligent Technology Co.,Ltd. |