CN112467964A - Filter and air conditioning unit - Google Patents

Filter and air conditioning unit Download PDF

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Publication number
CN112467964A
CN112467964A CN202011453295.XA CN202011453295A CN112467964A CN 112467964 A CN112467964 A CN 112467964A CN 202011453295 A CN202011453295 A CN 202011453295A CN 112467964 A CN112467964 A CN 112467964A
Authority
CN
China
Prior art keywords
circuit board
filter
filter circuit
board
main power
Prior art date
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.)
Pending
Application number
CN202011453295.XA
Other languages
Chinese (zh)
Inventor
黄猛
王京
杜斌
崔宇
孟小强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN202011453295.XA priority Critical patent/CN112467964A/en
Publication of CN112467964A publication Critical patent/CN112467964A/en
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/12—Arrangements for reducing harmonics from ac input or output
    • H02M1/126—Arrangements for reducing harmonics from ac input or output using passive filters
    • 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
    • F24F11/88—Electrical aspects, e.g. circuits
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/32—Means for protecting converters other than automatic disconnection
    • 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
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/14—Structural association of two or more printed circuits
    • 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
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/02—Arrangements of circuit components or wiring on supporting structure

Abstract

The invention provides a filter and an air conditioning unit. The filter comprises a main power board, an anti-surge circuit board, an LC filter circuit board and a low-pass filter circuit board. The anti-surge circuit board, the LC filter circuit board and the low-pass filter circuit board are detachably mounted on the main power board respectively, and the anti-surge circuit board, the LC filter circuit board and the low-pass filter circuit board are electrically connected in sequence. The filter components and parts of the main functions of the filter are respectively formed on the anti-surge circuit board, the LC filter circuit board and the low-pass filter circuit board and are detachably arranged relative to the main power board, so that the functional components of the filter can be mounted and used immediately, the heat dissipation area is increased, and the filter can be better cooled. When the filter is used, the filter scheme of the filter can be matched with the filter component boards with different parameters on the main power board, and different filter schemes can be flexibly matched for use, so that the filter is greatly convenient to install and use.

Description

Filter and air conditioning unit
Technical Field
The invention relates to the technical field of circuit elements, in particular to a filter and an air conditioning unit.
Background
The filter of the converter is a filter circuit composed of components such as an inductance coil, a capacitor, a resistor and the like, and is a passive bidirectional network, wherein one end of the passive bidirectional network is an alternating current incoming line or a direct current incoming line, and the other end of the passive bidirectional network is a load.
The filter that present converter adopted generally is the filter board of independent design, and filter circuit and anti-surge circuit are on same board, and the filter board is fixed inside the converter during use, and three-phase alternating current passes through inlet wire binding post input, through anti-surge circuit and filter circuit after, at outlet wire binding post output. The wave filter need fix in the converter when using, and the installation is comparatively loaded down with trivial details with the dismantlement, and the radiating effect is not good, and multiple filtering scheme need weld polylith filtering board, and required material is more.
Disclosure of Invention
The embodiment of the invention provides a filter and an air conditioning unit, and aims to solve the technical problem that the filter is inconvenient to install and use in the prior art.
An embodiment of the present invention provides a filter, including: a main power board; the anti-surge circuit board is detachably arranged on the main power board; the LC filter circuit board is detachably arranged on the main power board; the low-pass filter circuit board is detachably arranged on the main power board; the anti-surge circuit board, the LC filter circuit board and the low-pass filter circuit board are electrically connected in sequence.
In one embodiment, the anti-surge circuit board is connected with the main power board through a first plug structure, the LC filter circuit board is connected with the main power board through a second plug structure, and the low-pass filter circuit board is connected with the main power board through a third plug structure.
In one embodiment, the main power board is provided with a first socket, a second socket and a third socket respectively, the anti-surge circuit board is provided with a first plug, the LC filter circuit board is provided with a second plug, the low-pass filter circuit board is provided with a third plug, and the first plug, the second plug and the third plug are respectively in plug connection with the first socket, the second socket and the third socket.
In one embodiment, the first jack, the second jack, and the third jack are sequentially disposed on the top of the main power board.
In one embodiment, the anti-surge circuit board, the LC filter circuit board and the low-pass filter circuit board are disposed adjacent to each other in this order.
In one embodiment, the LC filter circuit board comprises a first-stage LC filter circuit board and a second-stage LC filter circuit board, and the anti-surge circuit board, the first-stage LC filter circuit board, the second-stage LC filter circuit board and the low-pass filter circuit board are arranged adjacently in sequence.
In one embodiment, the anti-surge circuit board, the first-stage LC filter circuit board, the second-stage LC filter circuit board, and the low-pass filter circuit board enclose a rectangular frame-shaped structure.
In one embodiment, the anti-surge circuit board is connected with the first-stage LC filter circuit board through a first splicing structure, the first-stage LC filter circuit board is connected with the second-stage LC filter circuit board through a second splicing structure, the second-stage LC filter circuit board is connected with the low-pass filter circuit board through a third splicing structure, and the low-pass filter circuit board is connected with the anti-surge circuit board through a fourth splicing structure.
In one embodiment, the main power board is provided with an incoming line interface and an outgoing line interface.
In one embodiment, the anti-surge circuit board and the low-pass filter circuit board are respectively provided with an incoming line interface and an outgoing line interface.
In one embodiment, the incoming line interface is a first pin header structure and the outgoing line interface is a second pin header structure.
The invention also provides an air conditioning unit which comprises a mainboard and the filter connected with the mainboard, wherein the filter is the filter.
In the above embodiment, the filter components with the main functions of the filter are respectively formed on the anti-surge circuit board, the LC filter circuit board and the low-pass filter circuit board, and the anti-surge circuit board, the LC filter circuit board and the low-pass filter circuit board are detachably arranged relative to the main power board, so that the filter functional components can be mounted and used immediately, the heat dissipation area is increased, and the filter can dissipate heat better. When the filter is used, the filter scheme of the filter can be matched with the filter component boards with different parameters on the main power board, and different filter schemes can be flexibly matched for use, so that the filter is greatly convenient to install and use.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic perspective view of an embodiment of a filter according to the present invention;
fig. 2 is a schematic diagram of the filter of fig. 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following embodiments and accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.
Fig. 1 and 2 show an embodiment of the filter of the present invention, which includes a main power board 10, an anti-surge circuit board 20, an LC filter circuit board 30, and a low pass filter circuit board 40. The anti-surge circuit board 20, the LC filter circuit board 30 and the low-pass filter circuit board 40 are detachably mounted on the main power board 10, respectively, and the anti-surge circuit board 20, the LC filter circuit board 30 and the low-pass filter circuit board 40 are electrically connected in sequence.
By applying the technical scheme of the invention, the filtering components with the main functions of the filter are respectively formed on the anti-surge circuit board 20, the LC filtering circuit board 30 and the low-pass filtering circuit board 40, and the anti-surge circuit board 20, the LC filtering circuit board 30 and the low-pass filtering circuit board 40 are detachably arranged relative to the main power board 10, so that the functional components of the filter can be used after being assembled, the heat dissipation area is increased, and the filter can dissipate heat better. When the filter is used, the filtering scheme of the filter can be matched with the filtering component plates with different parameters on the main power plate 10, and different filtering schemes can be flexibly matched for use, so that the filter is greatly convenient to install and use.
It should be noted that, in the technical solution of the present invention, the anti-surge circuit board 20, the LC filter circuit board 30 and the low-pass filter circuit board 40 with different parameters can be soldered according to requirements, so that the filter can be used after being installed, and the flexibility of the filter is improved.
Preferably, in the technical solution of the present embodiment, the anti-surge circuit board 20 is connected to the main power board 10 through a first plug structure a, the LC filter circuit board 30 is connected to the main power board 10 through a second plug structure b, and the low pass filter circuit board 40 is connected to the main power board 10 through a third plug structure. The first plug structure a can realize the quick connection between the anti-surge circuit board 20 and the main power board 10, the second plug structure b can realize the quick connection between the LC filter circuit board 30 and the main power board 10, and the third plug structure can realize the quick connection between the low pass filter circuit board 40 and the main power board 10.
As a preferred implementation manner, in the technical solution of this embodiment, a first socket, a second socket, and a third socket are respectively disposed on the main power board 10, a first plug is disposed on the surge-proof circuit board 20, a second plug is disposed on the LC filter circuit board 30, a third plug is disposed on the low-pass filter circuit board 40, and the first plug, the second plug, and the third plug are respectively connected to the first socket, the second socket, and the third socket in an inserting manner. As other alternative embodiments, the mounting positions of the plug and the socket may be reversed.
It should be noted that, the connection structure of the socket and the plug can realize both the fixation on the mechanical structure and the electrical connection. Optionally, in the technical scheme of this embodiment, the first jack, the second jack, and the third jack are copper bars disposed on the main power board 10.
As shown in fig. 1, in the technical solution of the present embodiment, a first socket, a second socket and a third socket are sequentially disposed on the top of a main power board 10. In this way, the filter has space occupation in only one given direction of the main power board 10. Optionally, in the technical solution of this embodiment, the anti-surge circuit board 20, the LC filter circuit board 30, and the low-pass filter circuit board 40 are sequentially and adjacently disposed.
More preferably, as shown in fig. 1 and fig. 2, in the technical solution of this embodiment, the LC filter circuit board 30 includes a first-stage LC filter circuit board 31 and a second-stage LC filter circuit board 32, the anti-surge circuit board 20, the first-stage LC filter circuit board 31, the second-stage LC filter circuit board 32, and the low-pass filter circuit board 40 are sequentially and adjacently disposed, and the first-stage LC filter circuit board 31 and the second-stage LC filter circuit board 32 can improve the filtering effect. As other alternative embodiments, more stages of LC filter circuit boards may be provided.
As shown in fig. 1, in the technical solution of this embodiment, the anti-surge circuit board 20, the first-stage LC filter circuit board 31, the second-stage LC filter circuit board 32, and the low-pass filter circuit board 40 enclose a rectangular frame-shaped structure, so that the structure enclosed by the anti-surge circuit board 20, the first-stage LC filter circuit board 31, the second-stage LC filter circuit board 32, and the low-pass filter circuit board 40 has a certain stability.
More preferably, in the technical solution of this embodiment, the anti-surge circuit board 20 is connected to the first-stage LC filter circuit board 31 through the first splicing structure c, the first-stage LC filter circuit board 31 is connected to the second-stage LC filter circuit board 32 through the second splicing structure, the second-stage LC filter circuit board 32 is connected to the low-pass filter circuit board 40 through the third splicing structure, and the low-pass filter circuit board 40 is connected to the anti-surge circuit board 20 through the fourth splicing structure d. Through the sequential connection of the first splicing structure c, the second splicing structure, the third splicing structure and the fourth splicing structure d, the stability of the structure formed by enclosing the anti-surge circuit board 20, the primary LC filter circuit board 31, the secondary LC filter circuit board 32 and the low-pass filter circuit board 40 can be further improved
It should be noted that, the connection of the splicing structure can realize the fixation on the mechanical structure and the electrical connection.
As an optional implementation manner, the main power board is provided with an incoming line interface and an outgoing line interface, and the filter can be connected to a circuit needing filtering through the incoming line interface and the outgoing line interface.
As another alternative embodiment, the present embodiment is different from the above embodiments in that an incoming line interface and an outgoing line interface are respectively provided on the anti-surge circuit board 20 and the low-pass filter circuit board 40. Similarly, in this embodiment, the filter is also connected to the circuit to be filtered through the incoming line interface and the outgoing line interface.
Preferably, in the two embodiments, the wire inlet interface is of a first pin row structure, and the wire outlet interface is of a second pin row structure. Through the pin arrangement structure, the filter can be quickly plugged with a circuit to be filtered. Optionally, the first pin arrangement and the second pin arrangement are mounted on the corresponding circuit boards by welding.
The invention also provides an air conditioning unit which comprises a mainboard and a filter connected with the mainboard. Wherein, the filter is the above-mentioned filter. When the filter is used, the mainboard is directly connected with the incoming line interface and the outgoing line interface respectively, and filtering of incoming mainboard is achieved.
In the technical solution of the present invention, the technical solution described above is applied to filtering of three-phase alternating current. As other alternative embodiments, the above technical solution may also be applied to filtering of two-phase alternating current or direct current.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the embodiment of the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (12)

1. A filter, comprising:
a main power board (10);
an anti-surge circuit board (20) detachably mounted on the main power board (10);
an LC filter circuit board (30) detachably mounted on the main power board (10);
a low pass filter circuit board (40) detachably mounted on the main power board (10);
the anti-surge circuit board (20), the LC filter circuit board (30) and the low-pass filter circuit board (40) are electrically connected in sequence.
2. The filter according to claim 1, wherein the surge protection circuit board (20) is connected to the main power board (10) through a first plug structure (a), the LC filter circuit board (30) is connected to the main power board (10) through a second plug structure (b), and the low pass filter circuit board (40) is connected to the main power board (10) through a third plug structure.
3. The filter according to claim 2, wherein the main power board (10) is provided with a first socket, a second socket and a third socket, the surge protection circuit board (20) is provided with a first plug, the LC filter circuit board (30) is provided with a second plug, the low pass filter circuit board (40) is provided with a third plug, and the first plug, the second plug and the third plug are respectively connected with the first socket, the second socket and the third socket in an inserting manner.
4. A filter according to claim 3, wherein the first, second and third sockets are arranged in sequence on top of the main power board (10).
5. The filter according to claim 1, wherein the surge-preventing circuit board (20), the LC filter circuit board (30) and the low-pass filter circuit board (40) are disposed adjacent to each other in this order.
6. The filter according to claim 5, wherein the LC filter circuit board (30) comprises a primary LC filter circuit board (31) and a secondary LC filter circuit board (32), and the anti-surge circuit board (20), the primary LC filter circuit board (31), the secondary LC filter circuit board (32) and the low-pass filter circuit board (40) are sequentially arranged adjacently.
7. The filter according to claim 6, wherein the surge protection circuit board (20), the primary LC filter circuit board (31), the secondary LC filter circuit board (32) and the low pass filter circuit board (40) enclose a rectangular frame-like structure.
8. The filter according to claim 6, wherein the surge protection circuit board (20) is connected with the first-stage LC filter circuit board (31) through a first splicing structure (c), the first-stage LC filter circuit board (31) is connected with the second-stage LC filter circuit board (32) through a second splicing structure, the second-stage LC filter circuit board (32) is connected with the low-pass filter circuit board (40) through a third splicing structure, and the low-pass filter circuit board (40) is connected with the surge protection circuit board (20) through a fourth splicing structure (d).
9. The filter according to claim 1, characterized in that the main power board (10) is provided with an incoming line interface and an outgoing line interface.
10. The filter of claim 1, wherein the surge protection circuit board (20) and the low pass filter circuit board (40) are respectively provided with an incoming line interface and an outgoing line interface.
11. The filter of claim 9 or 10, wherein the incoming line interface is a first pin arrangement and the outgoing line interface is a second pin arrangement.
12. An air conditioning assembly comprising a main board and a filter connected to the main board, wherein the filter is according to any one of claims 1 to 11.
CN202011453295.XA 2020-12-11 2020-12-11 Filter and air conditioning unit Pending CN112467964A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011453295.XA CN112467964A (en) 2020-12-11 2020-12-11 Filter and air conditioning unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011453295.XA CN112467964A (en) 2020-12-11 2020-12-11 Filter and air conditioning unit

Publications (1)

Publication Number Publication Date
CN112467964A true CN112467964A (en) 2021-03-09

Family

ID=74801464

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011453295.XA Pending CN112467964A (en) 2020-12-11 2020-12-11 Filter and air conditioning unit

Country Status (1)

Country Link
CN (1) CN112467964A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4138289A1 (en) * 2021-08-19 2023-02-22 Carrier Corporation Dual mode converter for air conditioning system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4138289A1 (en) * 2021-08-19 2023-02-22 Carrier Corporation Dual mode converter for air conditioning system

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