CN106545979A - Air-conditioner electric control gear and air-conditioner - Google Patents
Air-conditioner electric control gear and air-conditioner Download PDFInfo
- Publication number
- CN106545979A CN106545979A CN201611129513.8A CN201611129513A CN106545979A CN 106545979 A CN106545979 A CN 106545979A CN 201611129513 A CN201611129513 A CN 201611129513A CN 106545979 A CN106545979 A CN 106545979A
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- China
- Prior art keywords
- capacitance
- electric
- air
- conditioner
- controlled box
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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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0064—Earth or grounding circuit
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
Abstract
The invention discloses a kind of air-conditioner electric control gear and air-conditioner, wherein, electric control gear includes：Multiple retaining elements；Electric-controlled plate and electric-controlled box, electric-controlled plate are arranged in electric-controlled box；Wherein, electric-controlled plate includes：Bis- electric capacity of first Y capacitance and Y, the first end of the first Y capacitance are fixed on electric-controlled box by retaining element with the first end of the second Y capacitance；Common mode inductance, the first end of common mode inductance are connected to alternating current fire wire, and the second end of common mode inductance is connected with the second end of the first Y capacitance, and in alternating current zero line, the 4th end of common mode inductance is connected the three-terminal link of common mode inductance with the second end of the second Y capacitance.The electric control gear can lift the effectiveness of Y capacitance, reduce electromagnetic interference.
Description
Technical field
The present invention relates to air-conditioner technical field, and in particular to a kind of air-conditioner electric control gear and a kind of air-conditioner.
Background technology
At present, connected mode of the air-conditioner electric-controlled plate using Y capacitance ground connection, with compatible EMI (Electromagnetic
Interference, electromagnetic interference) filtering.As shown in Fig. 1 (just putting), Fig. 2 (inversion), in the electric-controlled plate, by two groups of Y capacitances
After Cp Copper Foils are linked up, drawn with wire and be fixed on air conditioner casing panel beating 1.This Y capacitance earthing mode exists as follows
Problem：
First, bypass common mode inductance Lc.As the wire for being connected to air conditioner casing panel beating 1 has certain length, generally
30-50cm, this section lead have certain inductance value L, that is, have certain resistance value (Z=2 π f L), and EMI signal is in upper surface current
A constant pressure drop (Δ V=I*Z=2 π f L I) can be produced during overcurrent I.This section lead is that two groups of Y capacitances Cp are shared, such two
Group Y capacitance Cp can intercouple, and can bypass the common mode inductance Lc being clipped between two groups of Y capacitances Cp in some frequency ranges so that
Common mode inductance Lc fails, and destroys the filtering performance of wave filter.
Second, reduce the useful effect upper frequency limit of Y capacitance Cp.In the same manner, due to being connected to leading for air conditioner casing panel beating 1
Line has certain length, generally 30-50cm, and this section lead has certain inductance value L, is formed with Y capacitance Cp and is connected, and produces in LC
Raw resonant frequency pointAfterwards, the whole structure of the Y capacitance connection line is equivalent to an inductance, connecting line
Road overall impedance z=j (WL-1/WC) can increase with the rising of frequency, and Y capacitance Cp gradually loses effect, filtering performance
Reduce.
The content of the invention
It is contemplated that at least solving one of technical problem in above-mentioned technology to a certain extent.For this purpose, the present invention
First purpose is to propose a kind of air-conditioner electric control gear.The device can reduce electromagnetic interference, improve the effective of Y capacitance
Property, good wave filtering effect.
Second object of the present invention is to propose a kind of air-conditioner.
To reach above-mentioned purpose, first aspect present invention embodiment proposes a kind of air-conditioner electric control gear, including：It is multiple
Retaining element；Electric-controlled plate and electric-controlled box, the electric-controlled plate are arranged in the electric-controlled box；Wherein, the electric-controlled plate includes：First
Y capacitance and the second Y capacitance, the first end of first Y capacitance is with the first end of second Y capacitance by the fixed unit
Part is fixed on the automatically controlled box cover；Common mode inductance, the first end of the common mode inductance are connected to alternating current fire wire, the common mode
Second end of inductance is connected with the second end of first Y capacitance, the three-terminal link of the common mode inductance in alternating current zero line,
4th end of the common mode inductance is connected with the second end of second Y capacitance.
The air-conditioner electric control gear of the embodiment of the present invention, the first end of the first Y capacitance first end and the second Y capacitance is passed through
Retaining element is fixed on automatically controlled box cover, thereby, it is possible to lift the effectiveness of Y capacitance, reduces electromagnetic interference.
In addition, air-conditioner electric control gear according to the above embodiment of the present invention can also have following additional technology special
Levy：
According to one embodiment of present invention, the electric-controlled plate also includes：3rd Y capacitance and the 4th Y capacitance, wherein, institute
The first end and the first end of the 4th Y capacitance for stating the 3rd Y capacitance is fixed on the electric-controlled box by the retaining element
Upper lid, the second end of the 3rd Y capacitance are connected with the first end of the common mode inductance, the second end of the 4th Y capacitance with
3rd end of the common mode inductance is connected.
According to one embodiment of present invention, the automatically controlled box cover is fixed on institute by retaining element described at least one
State electric-controlled box lower cover.
According to one embodiment of present invention, the electric-controlled box includes automatically controlled box cover and electric-controlled box lower cover.
According to one embodiment of present invention, the first end of first Y capacitance is equal with the first end of second Y capacitance
The automatically controlled box cover, the first end of the 3rd Y capacitance and the of the 4th Y capacitance are fixed on by the retaining element
The automatically controlled box cover is fixed on by the retaining element in one end.
According to one embodiment of present invention, the automatically controlled box cover is fixed on institute by retaining element described at least one
State electric-controlled box lower cover.
According to one embodiment of present invention, the material that the automatically controlled box cover and the electric-controlled box lower cover are adopted includes
Metal.
According to one embodiment of present invention, the electric-controlled box lower cover is fixed on sky by retaining element described at least one
Adjust device casing panel beating.
According to one embodiment of present invention, the retaining element includes screw.
Further, the present invention proposes a kind of air-conditioner, including：Air-conditioner described in the above embodiment of the present invention is automatically controlled
Device.
The air-conditioner of the embodiment of the present invention, by above-mentioned air-conditioner electric control gear, can lift the effectiveness of Y capacitance, drop
Low EMI.
The additional aspect and advantage of the present invention will be set forth in part in the description, and partly will become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become from the description with reference to accompanying drawings below to embodiment
It is substantially and easy to understand, wherein：
Fig. 1, Fig. 2 are the structural representations of air-conditioner electric control gear in correlation technique；
Fig. 3 is the structural representation of air-conditioner electric control gear according to an embodiment of the invention；
Fig. 4 is the structural representation of air-conditioner electric control gear in accordance with another embodiment of the present invention.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from start to finish
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention.
Below with reference to the accompanying drawings the air-conditioner electric control gear and air-conditioner of the embodiment of the present invention are described.
Fig. 3 is the structural representation of air-conditioner electric control gear according to an embodiment of the invention.As shown in figure 3, the sky
Device electric control gear is adjusted to include：Multiple retaining elements 10, electric-controlled plate 20 and electric-controlled box 30.
Wherein, electric-controlled plate 20 is arranged in electric-controlled box 30.Electric-controlled plate 20 includes the first Y capacitance 21, the second Y capacitance 22 and is total to
Mould inductance 23, the first end of the first Y capacitance 21 are fixed on electric-controlled box by retaining element 10 with the first end of the second Y capacitance 22
30；The first end of common mode inductance 23 is connected to alternating current fire wire L, the second end of common mode inductance 23 and the second of the first Y capacitance 21
End is connected, and the three-terminal link of common mode inductance 23 is in alternating current zero line N, the 4th end and second Y capacitance 22 of common mode inductance 23
Second end is connected.
Alternatively, retaining element 10 can be screw.
It is appreciated that the characteristic based on Y capacitance, the first end of the first Y capacitance 21 is passed through with the first end of the second Y capacitance 22
After retaining element 10 is fixed on electric-controlled box 30, it is grounded.
In an example of the present invention, electric-controlled plate 20 can be PCB (Printed Circuit Board, printed circuit
Plate) plate.
Installation for the ease of electric-controlled plate 20 safeguards that electric-controlled box 30 can include automatically controlled box cover 31 and electric-controlled box lower cover
32。
Specifically, the first end of 21 first end of the first Y capacitance and the second Y capacitance 22 is passed through retaining element by the electric control gear
Automatically controlled box cover 31 is fixed on, and is grounded, thereby, it is possible to lift the effectiveness of Y capacitance, reduce electromagnetic interference.
In one embodiment of the invention, as shown in figure 3, electric-controlled plate 20 can also include：3rd Y capacitance 24 and the 4th
Y capacitance 25.Wherein, the first end of the 3rd Y capacitance 24 is fixed on electricity by retaining element 10 with the first end of the 4th Y capacitance 25
Control box 30, the second end of the 3rd Y capacitance 24 is connected with the first end of common mode inductance 23, the second end of the 4th Y capacitance 25 and common mode
3rd end of inductance 23 is connected.Thereby, it is possible to strengthen the inhibition of common mode disturbances.
In the same manner, the characteristic based on Y capacitance, the first end of the 3rd Y capacitance 24 is with the first end of the 4th Y capacitance 25 by fixing
After element 10 is fixed on electric-controlled box 30, it is grounded.
It should be noted that in an embodiment of the present invention, multipair Y capacitance can be arranged as required to, here is not done superfluous
State.
For purposes of illustration only, the air-conditioner electric control gear shown in Fig. 3 is inverted, as shown in Figure 4.Wherein, first Y capacitance 21
The first end of first end and the second Y capacitance 22 is fixed on automatically controlled box cover 31 by retaining element 10, and the of the 3rd Y capacitance 24
The first end of one end and the 4th Y capacitance 25 is fixed on automatically controlled box cover 31 by retaining element 10.
In an embodiment of the present invention, automatically controlled box cover 31 can be fixed on electric-controlled box by least one retaining element 10
Lower cover 32, as shown in figure 4, automatically controlled box cover 31 is fixed on electric-controlled box lower cover 32 by six retaining elements 10.
It is appreciated that the material that automatically controlled box cover 31 and electric-controlled box lower cover 32 are adopted may each comprise metal, such as copper etc..
Wherein, as shown in Figure 3, Figure 4, electric-controlled box lower cover 32 can pass through at least one (such as one, two) retaining element
10 are fixed on air conditioner casing panel beating 1 (such as the off-premises station median septum of air-conditioner).
Specifically, Fig. 3 shows that electric-controlled box lower cover 32 is fixed on air conditioner casing panel beating by a retaining element 10
Show in 1, Fig. 4 that electric-controlled box lower cover 32 is fixed on air conditioner casing panel beating 1 by two retaining elements 10.
For convenience of skilled artisan understands that installing and using for the electric control gear of the present invention, can pass through consolidating shown in Fig. 4
Determine element 10 (such as screw) to illustrate：
As shown in figure 4, electric-controlled box lower cover 32 can be fixed on air-conditioner shell panel beating 1 (such as sky by two screws first
Adjust the off-premises station median septum of device)；Then by the first end and the second Y capacitance of the first Y capacitance 21 on electric-controlled plate 20 (such as pcb board)
22 first end is fixed on automatically controlled box cover 31 by a screw, by the first end and the 4th Y capacitance 25 of the 3rd Y capacitance 24
First end automatically controlled box cover 31 is fixed on by a screw；And then the automatically controlled box cover 31 for being fixed with electric-controlled plate 20 is passed through
Six screws are fixed on electric-controlled box lower cover 32.
It should be noted that air-conditioner electric control gear just can be carried out according to the actual installation needs of different air-conditioners
Put installation or reverse mounted.
To sum up, the air-conditioner electric control gear of the embodiment of the present invention, multipair Y capacitance first end is fixed by screws in automatically controlled
Box cover, and automatically controlled box cover and electric-controlled box lower cover are fixed by multiple screws, thereby, it is possible to reduce electromagnetic interference, lifted
The effectiveness of Y capacitance, good wave filtering effect.
Further, the present invention proposes a kind of air-conditioner, and which includes the automatically controlled dress of air-conditioner of the above embodiment of the present invention
Put.
The air-conditioner of the embodiment of the present invention, by the air-conditioner electric control gear of above-described embodiment, can reduce electromagnetic interference,
Improve the effectiveness of Y capacitance, good wave filtering effect.
In addition, other of air-conditioner according to embodiments of the present invention are constituted and are acted on for the ordinary skill people of this area
All it is known for member, in order to reduce redundancy, does not repeat herein.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
Example ", or the description of " some examples " etc. mean specific features with reference to the embodiment or example description, structure, material or spy
Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example are referred to necessarily.And, the specific features of description, structure, material or feature can be any
One or more embodiments or example in combine in an appropriate manner.
In describing the invention, it is to be understood that term " " center ", " longitudinal direction ", " horizontal ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or
Position relationship, is for only for ease of the description present invention and simplifies description, rather than indicates or imply that the device or element of indication must
With specific orientation, with specific azimuth configuration and operation, therefore must be not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In describing the invention, " multiple " are meant that at least two, such as two, three
It is individual etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or it is integral；Can be that machinery connects
Connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements, unless otherwise clearly restriction.For one of ordinary skill in the art
For, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be with
It is the first and second feature directly contacts, or the first and second features is by intermediary mediate contact.And, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height less than second feature.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (9)
1. a kind of air-conditioner electric control gear, it is characterised in that include：
Multiple retaining elements；
Electric-controlled plate and electric-controlled box, the electric-controlled plate are arranged in the electric-controlled box；
Wherein, the electric-controlled plate includes：
Bis- electric capacity of first Y capacitance and Y, the first end of first Y capacitance pass through institute with the first end of second Y capacitance
State retaining element and be fixed on the electric-controlled box；
Common mode inductance, the first end of the common mode inductance are connected to alternating current fire wire, the second end of the common mode inductance with it is described
Second end of the first Y capacitance is connected, the three-terminal link of the common mode inductance in alternating current zero line, the 4th of the common mode inductance the
End is connected with the second end of second Y capacitance.
2. air-conditioner electric control gear as claimed in claim 1, it is characterised in that the electric-controlled plate also includes：3rd Y capacitance and
4th Y capacitance, wherein,
The first end of the 3rd Y capacitance is fixed on described with the first end of the 4th Y capacitance by the retaining element
Electric-controlled box, the second end of the 3rd Y capacitance are connected with the first end of the common mode inductance, the second end of the 4th Y capacitance
It is connected with the 3rd end of the common mode inductance.
3. air-conditioner electric control gear as claimed in claim 2, it is characterised in that the electric-controlled box includes automatically controlled box cover and electricity
Control box lower cover.
4. air-conditioner electric control gear as claimed in claim 3, it is characterised in that the first end of first Y capacitance with it is described
The first end of the second Y capacitance is fixed on the automatically controlled box cover, the first end of the 3rd Y capacitance by the retaining element
The automatically controlled box cover is fixed on by the retaining element with the first end of the 4th Y capacitance.
5. air-conditioner electric control gear as claimed in claim 3, it is characterised in that the automatically controlled box cover passes through at least one institute
State retaining element and be fixed on the electric-controlled box lower cover.
6. air-conditioner electric control gear as claimed in claim 3, it is characterised in that under the automatically controlled box cover and the electric-controlled box
The material that lid is adopted includes metal.
7. air-conditioner electric control gear as claimed in claim 3, it is characterised in that the electric-controlled box lower cover passes through at least one institute
State retaining element and be fixed on air conditioner casing panel beating.
8. air-conditioner electric control gear as claimed in claim 1, it is characterised in that the retaining element includes screw.
9. a kind of air-conditioner, it is characterised in that include：Air-conditioner electric control gear as any one of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611129513.8A CN106545979A (en) | 2016-12-09 | 2016-12-09 | Air-conditioner electric control gear and air-conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611129513.8A CN106545979A (en) | 2016-12-09 | 2016-12-09 | Air-conditioner electric control gear and air-conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106545979A true CN106545979A (en) | 2017-03-29 |
Family
ID=58397665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611129513.8A Pending CN106545979A (en) | 2016-12-09 | 2016-12-09 | Air-conditioner electric control gear and air-conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106545979A (en) |
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