CN206887507U - Motor drive control device and washing machine - Google Patents
Motor drive control device and washing machine Download PDFInfo
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- CN206887507U CN206887507U CN201720790369.6U CN201720790369U CN206887507U CN 206887507 U CN206887507 U CN 206887507U CN 201720790369 U CN201720790369 U CN 201720790369U CN 206887507 U CN206887507 U CN 206887507U
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- motor
- control panel
- motor control
- control device
- mounting layer
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Abstract
It the utility model is related to household appliance technical field, disclose a kind of motor drive control device and washing machine, motor drive control device, including motor (1) and the motor control panel being arranged on the motor, it is characterized in that, the motor control panel includes the mounting layer of motor control panel first (10) and the mounting layer of motor control panel second (20), the mounting layer of motor control panel first (10) is compared to the mounting layer of motor control panel second (20) closer to the motor, electro-magnetic screen layer (11) is provided with the mounting layer of motor control panel first (10), predetermined electronic component (21) is provided with the mounting layer of motor control panel second (20), so as to be effectively prevented from Electromagnetic Field interference, ensure the stable operation of predetermined electronic component.
Description
Technical field
Household appliance technical field is the utility model is related to, has motor drive more particularly to motor drive control device and application
The washing machine of dynamic control device.
Background technology
In household appliance technical field, with intelligent, functional diversities propulsion, various motors, sensor, electric-controlled plate
Quantity is also being continuously increased.The interference phenomenon of electromagnetic signal is also more and more obvious.Particularly in frequency conversion roller washing machine, when negative
When carrying uneven, the rotating speed of variable-frequency motor is higher, and the vibration of system and noise are bigger.In order to reduce this noise, Ke Yi
By adjusting motor speed or changing the non-equilibrium state of load during laod unbalance.In order to measure this non-equilibrium state,
Sensor etc. can be utilized to measure.
But because the electromagnetic signal in sensors towards ambient is more sensitive, easily by electromagnetic interference, and can not be accurate
Detected value is obtained to be adjusted to motor speed or non-equilibrium state, and can not effectively improve system vibration and noise.
Utility model content
The purpose of this utility model is to overcome sensor existing for prior art easily to be disturbed by electromagnetic signal
Problem, there is provided a kind of motor drive control device, it can effectively mitigate electromagnetic interference using the motor drive control device,
And device volume need not be increased.
To achieve these goals, on the one hand the utility model provides a kind of motor drive control device, including motor and
The motor control panel being arranged on the motor, it is characterised in that the motor control panel is installed including motor control panel first
Layer and the mounting layer of motor control panel second, the mounting layer of motor control panel first are installed compared to the motor control panel second
Layer is provided with electro-magnetic screen layer closer to the motor on the mounting layer of motor control panel first, the motor control panel the
Predetermined electronic component is provided with two mounting layers.
Preferably, the electro-magnetic screen layer is electrically connected to ground potential or is electrically connected to predetermined potential.
Preferably, the electro-magnetic screen layer is the layers of copper being laid on the mounting layer of motor control panel first.
Preferably, formed with the electromagnetism formed by electro-magnetic screen layer shielding on the mounting layer of motor control panel second
Blind zone, the predetermined electronic component is positioned at the middle position in the electromagnetic shielding area.
Preferably, the area of the electro-magnetic screen layer is pacified more than the predetermined electronic component in the motor control panel second
Fill the projected area on layer.
Preferably, the motor drive control device also includes radiator, and the radiator is arranged to compared to the electricity
The mounting layer of machine control panel first is closer to the mounting layer of motor control panel second.
Preferably, the motor control panel is dual platen, the mounting layer of motor control panel first and the motor control
The mounting layer of plate second is respectively the two sides of dual platen, and the electro-magnetic screen layer is continuous screen layer.
Preferably, the motor is variable-frequency motor.
The utility model second aspect provides a kind of washing machine, and the washing machine includes outer barrel, root is provided with the outer barrel
According to the motor drive control device described in any one in above-mentioned technical proposal, the predetermined electronic component is acceleration sensing
Device.
Preferably, the motor is connected as one by conveyer belt and the outer barrel, and the acceleration transducer can be surveyed
The acceleration signal at least three dimension direction is obtained to detect the non-equilibrium state of the outer barrel.
Pass through above-mentioned technical proposal, by the way that predetermined electronic component to be arranged on to the motor control panel second apart from motor farther out
Mounting layer, while electro-magnetic screen layer is set on the mounting layer of motor control panel first, so as to be effectively prevented from motor electromagnetic
Field interference, it is ensured that the stable operation of predetermined electronic component.And without using radome etc., it becomes possible to reliable shielding is realized,
Be advantageous to equipment miniaturization.Particularly, can be by ensureing to detect when acceleration transducer of the predetermined electronic component for measurement
The accuracy of value, is reliably achieved eccentricity detecting, so as to effectively improve vibration and the noise condition of washing machine.
Brief description of the drawings
Fig. 1 is the structural representation of the motor drive control device of a specific embodiment of the present utility model；
Fig. 2 is that the structure of the motor control panel of the motor drive control device of a specific embodiment of the present utility model is shown
It is intended to.
Fig. 3 is the curve synoptic diagram of the signal for faster test result of motor drive control device of the prior art.
Fig. 4 is to be tested to tie according to the signal for faster of the motor drive control device of a specific embodiment of the present utility model
The curve synoptic diagram of fruit.
Description of reference numerals
1st, motor 2, radiator
10th, the first mounting layer of motor control panel 11, electro-magnetic screen layer
20th, the second mounting layer of motor control panel 21, predetermined electronic component
Embodiment
In the utility model, in the case where not making opposite explanation, the noun of locality such as " upper and lower, left and right " used is usual
Refer to the upper and lower, left and right shown in refer to the attached drawing；" inside and outside " refers to the inside and outside of the profile relative to each part in itself.In addition,
Term " first ", " second " are only used for describing purpose, and it is not intended that instruction or implying relative importance or implicit indicating
The quantity of indicated technical characteristic.
The utility model provides a kind of motor drive control device, as shown in figure 1, including motor 1 and being arranged on the electricity
Motor control panel on machine, the motor control panel includes the first mounting layer of motor control panel 10 and motor control panel second is installed
Layer 20, the first mounting layer of motor control panel 10 is compared to the second mounting layer of motor control panel 20 closer to the motor, motor control
Electro-magnetic screen layer 11 is provided with the first mounting layer of making sheet 10, predetermined electronics member is provided with the second mounting layer of motor control panel 20
Part 21.The predetermined electronic component 21 is the element more sensitive to electromagnetism, for example, sensor measured etc..
Due in the design of the shield of electronic equipment, it usually needs consider many factors, such as the work of electronic equipment
Environment, the selection of shield material and the integrality of shield structure etc..And in technical side provided by the utility model
In case, because motor control panel is arranged on motor 1, that is to say, that motor control panel is nearer apart from motor, therefore its easily by
When the electromagnetic interference of motor, particularly electronic component 21 are the sensor measured, once it is held very much by the interference of electromagnetic field
It is inaccurate to be easily caused measured detection signal.
The utility model is installed by the motor control panel second being arranged on predetermined electronic component 21 apart from motor farther out
Layer 20, while electro-magnetic screen layer 11 is set on the first mounting layer of motor control panel 10, so as to be effectively prevented from motor electricity
Magnetic interference, it is ensured that the stable operation of predetermined electronic component.
In order to further improve shield effectiveness, preferably electro-magnetic screen layer 11 is electrically connected to ground potential or is electrically connected to predetermined
Current potential, so that electro-magnetic screen layer 11 forms an equipotential plane with ground potential or predetermined potential, predetermined potential can
For 3.3V.
Electro-magnetic screen layer can be made up of metal good conductor material and be attached in motor control panel, such as steel, aluminium, copper
Can be that gold-plated existing chemical gilding, vacuum metallizing, sputtering, metal meltallizing, metal paper tinsel etc. are various Deng, adhering mode.Make
It is described to be laid on using the mode of metal paper tinsel for a kind of embodiment of the present utility model, the electro-magnetic screen layer 11
Layers of copper on the first mounting layer of motor control panel 10, enable to the electric conductivity of screen layer reliable, shield effectiveness is good, especially suitable
The screen layer of simple shape is formed for relative Single Electron element.
As shown in Fig. 2 by electro-magnetic screen layer 11 on the second mounting layer of motor control panel 20 formed with electromagnetic shielding area,
The predetermined electronic component 21 is positioned at the middle position in electromagnetic shielding area.
The area of the electro-magnetic screen layer 11 is more than the predetermined electronic component 21 in the second mounting layer of motor control panel 20
On projected area.
In addition, motor drive control device also includes radiator 2, radiator is arranged to pacify compared to motor control panel first
Layer 10 is filled closer to the second mounting layer of motor control panel 20.The drop of motor control panel can reliably be ensured using the radiator 2
Temp effect, be advantageous to the stable operation of motor drive control device.
Radiator 2, motor 1 and motor control panel installation are integrated, in order to illustrate conveniently, eliminate in Fig. 1 radiator 2,
Mounting structure between motor 1 and motor control panel, the mode of installation can be it is existing be spirally connected etc. it is various.
It is stacked it is understood that motor control panel can be multiple laminas, also can be multi-layer sheet, preferably described electricity
Machine control panel is dual platen, and the first mounting layer of motor control panel 10 and the second mounting layer of motor control panel 20 are respectively dual platen
Two sides, electro-magnetic screen layer 11 are continuous screen layer.
Motor can be alternating current generator etc., preferably variable-frequency motor.
As another aspect of the present utility model, the utility model provides a kind of washing machine, and the washing machine includes outer barrel, institute
State the motor drive control device being provided with outer barrel according to any one in above-mentioned technical proposal, predetermined electronic component 21
For acceleration transducer or displacement transducer etc..
Specifically, acceleration transducer is generally by mass, damper, flexible member, sensing element and suitable tune circuit etc.
Part forms.Acceleration transducer can utilize existing condenser type, inductance type, strain-type, pressure resistance type, piezoelectric type uniform acceleration
Sensor.As shown in Figure 3 and Figure 4, wherein, transverse axis represents the time, and the rotating speed that unit is capable of more motor suitably determines, herein
To represent its parameter.Number axis represents the acceleration measured by acceleration transducer, and unit is unit of acceleration m/s2。
As a kind of embodiment of the present utility model, the motor is connected as one by conveyer belt and the outer barrel
Body, the acceleration transducer can measure the acceleration signal at least three dimension direction.
As a kind of embodiment of the present utility model, when motor control panel is set perpendicular to ground, test knot
As shown in Figure 3 and Figure 4, wherein 3 dimension directions are represented with xyz respectively, z represents perpendicular to the direction of motor control panel fruit, x and
Y represents along the direction of the extension of motor control panel respectively, because wherein y is represented perpendicular to the direction on ground.
What Fig. 3 was represented is the curve signal of the signal for faster test result of motor drive control device of the prior art
Figure, can learn, predetermined electronic component of the prior art is easily produced significantly by the electromagnetic interference of motor from figure
Fluctuation.Fig. 4 represent to be tested according to the signal for faster of the motor drive control device of a specific embodiment of the present utility model
As a result it curve synoptic diagram, can be learnt from Fig. 4, motor can be effectively prevented from using technical scheme described in the utility model
The interference of electromagnetic field, it is ensured that the stable operation of predetermined electronic component, it is reliably real so as to the accuracy by ensureing detected value
Existing eccentricity detecting, so as to effectively improve vibration and the noise condition of washing machine.
Preferred embodiment of the present utility model, still, the utility model and unlimited is described in detail above in association with accompanying drawing
In this.In range of the technology design of the present utility model, a variety of simple variants can be carried out to the technical solution of the utility model,
It is combined in any suitable manner including each particular technique feature.In order to avoid unnecessary repetition, the utility model
Various combinations of possible ways are no longer separately illustrated.But these simple variants and combination should equally be considered as the utility model institute
Disclosure, belong to the scope of protection of the utility model.
Claims (10)
1. a kind of motor drive control device, including motor (1) and the motor control panel that is arranged on the motor (1), it is special
Sign is that the motor control panel includes the mounting layer of motor control panel first (10) and the mounting layer of motor control panel second (20),
The mounting layer of motor control panel first (10) is compared to the mounting layer of motor control panel second (20) closer to the motor
(1) electro-magnetic screen layer (11), is provided with the mounting layer of motor control panel first (10), the motor control panel second is installed
Predetermined electronic component (21) is provided with layer (20).
2. motor drive control device according to claim 1, it is characterised in that electro-magnetic screen layer (11) electrical connection
In ground potential or it is electrically connected to predetermined potential.
3. motor drive control device according to claim 1, it is characterised in that the electro-magnetic screen layer (11) is laying
Layers of copper on the mounting layer of motor control panel first (10).
4. motor drive control device according to claim 1, it is characterised in that the mounting layer of motor control panel second
(20) it is located on formed with the electromagnetic shielding area formed by the electro-magnetic screen layer (11) shielding, the predetermined electronic component (21)
The middle position in the electromagnetic shielding area.
5. motor drive control device according to claim 1, it is characterised in that the area of the electro-magnetic screen layer (11)
More than projected area of the predetermined electronic component (21) on the mounting layer of motor control panel second (20).
6. motor drive control device according to claim 1, it is characterised in that the motor drive control device is also wrapped
Include radiator (2), the radiator is arranged to compared to the mounting layer of motor control panel first (10) closer to the motor
The mounting layer of control panel second (20).
7. according to the motor drive control device described in any one in claim 1-6, it is characterised in that the motor control
Plate is dual platen, and the mounting layer of motor control panel first (10) and the mounting layer of the motor control panel second (20) are respectively double
The two sides of panel, the electro-magnetic screen layer (11) are continuous screen layer.
8. according to the motor drive control device described in any one in claim 1-6, it is characterised in that the motor is change
Frequency motor.
9. a kind of washing machine, the washing machine includes outer barrel, it is characterised in that is provided with the outer barrel according to claim 1-8
Motor drive control device described in middle any one, the predetermined electronic component (21) is acceleration transducer.
10. washing machine according to claim 9, it is characterised in that the motor (1) is connected by conveyer belt and the outer barrel
One is connected in, the acceleration transducer can measure the acceleration signal at least three dimension direction to detect the outer barrel
Non-equilibrium state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720790369.6U CN206887507U (en) | 2017-07-03 | 2017-07-03 | Motor drive control device and washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720790369.6U CN206887507U (en) | 2017-07-03 | 2017-07-03 | Motor drive control device and washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206887507U true CN206887507U (en) | 2018-01-16 |
Family
ID=61298231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720790369.6U Active CN206887507U (en) | 2017-07-03 | 2017-07-03 | Motor drive control device and washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206887507U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112513580A (en) * | 2019-08-02 | 2021-03-16 | 深圳市越疆科技有限公司 | Mechanical equipment shell and robot |
-
2017
- 2017-07-03 CN CN201720790369.6U patent/CN206887507U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112513580A (en) * | 2019-08-02 | 2021-03-16 | 深圳市越疆科技有限公司 | Mechanical equipment shell and robot |
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