CN201715578U - Externally-mounted filtering device - Google Patents
Externally-mounted filtering device Download PDFInfo
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- CN201715578U CN201715578U CN2010201287129U CN201020128712U CN201715578U CN 201715578 U CN201715578 U CN 201715578U CN 2010201287129 U CN2010201287129 U CN 2010201287129U CN 201020128712 U CN201020128712 U CN 201020128712U CN 201715578 U CN201715578 U CN 201715578U
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Abstract
The utility model relates to an externally-mounted filtering device comprising an electromagnetic oven body and a control circuit board which is arranged in the electromagnetic oven body, wherein the outer part of the electromagnetic oven body is provided with a filter which is electrically connected with the control circuit board; the filter comprises a box body which is internally provided with a filter circuit board; the filter circuit board is respectively provided with a lead-in line and a lead-out line, and one ends of the lead-in line and the lead-out line are respectively connected with the filter circuit board; the other end of the lead-in line is provided with a plug, and the other end of the lead-out line is connected with the control circuit board; or one end of the lead-out line is provided with a coupler which is connected with the plug on the electromagnetic oven body. In the externally-mounted filtering device, elements of an electric apparatus on the filter are not influenced by an electromagnetic field at the inner part of the electromagnetic oven, thereby improving the filtering effect; the production cost and the material cost of an enterprise are reduced; and the externally-mounted filtering device further can be used on other household appliances such as an electric rice cooker, an electric pressure cooker and the like, and has wider application range.
Description
Technical field
The utility model relates to a kind of electromagnetic oven, electric cooker of being used for, the external filter device on electric pressure cooking saucepan and other household electrical appliance.
Background technology
At present, electromagnetic oven on the market meets the electromagnetic compatibility test project: conduction interference [(CE) (9KHz-30M): EN55011].Usually the filter structure that adopts is that filtering device is arranged on the control circuit board in the casing.The filters solutions of this kind form is used widely.But because the existence of electromagnetic oven built-in field makes similar scheme have unstability and not clear dominance to the effect that conduction interference improves.Cause production process that the coupling and the technological requirement of filtering device are improved.
Chinese patent literature CN201237272Y discloses a kind of electromagnetic oven on May 13rd, 2009, comprises the oscillator coil that produces magnetic field, the microcomputer control circuit and the vibration output circuit of control oscillator coil work; It is characterized in that: the power input mouth at electromagnetic oven is provided with the power filter device, and two outputs of power filter device are connected on microcomputer control circuit and by between the vibration output circuit, make oscillator coil produce the eddy current heating.It is said that during its work, oscillator coil, microcomputer control circuit and vibration output circuit can not be interfered, the electromagnetic wave that oscillator coil produced can interference power yet, and properties of product are stable, and are safe and reliable.But its complex structure increase production cost and material cost, and the scope of application is narrow.Therefore, be necessary to be further improved and perfect.
The utility model content
The purpose of this utility model aims to provide a kind of simple and reasonable, dependable performance, low cost of manufacture, produces and external filter device efficiently easy to assembly, to overcome the weak point among the prior art.
By a kind of external filter device of this purpose design, comprise electromagnetic oven body and be arranged at the interior control circuit board of electromagnetic oven body, its architectural feature is that the outside of electromagnetic oven body is equiped with wave filter, wave filter is electrically connected with control circuit board.
Described wave filter comprises box body, is equiped with the filter circuit plate in the box body, is respectively arranged with on the filter circuit plate to introduce line and lead-out wire, and an end of introducing line, lead-out wire links to each other with the filter circuit plate respectively.
The other end of introducing line is provided with plug, and the other end of lead-out wire links to each other with control circuit board; Perhaps lead-out wire one end is provided with coupler, and coupler links to each other with plug on the electromagnetic oven body.
Be provided with the line ball sign indicating number in the described box body, line ball sign indicating number two ends are provided with installing hole, and box body and line ball sign indicating number corresponding position are provided with erection column, by the connected mode of securing member, the crimping of line ball sign indicating number are fixed on introduction line, the lead-out wire.
Be provided with the line ball sign indicating number in the described box body, line ball sign indicating number two ends are provided with installing hole, and box body and line ball sign indicating number corresponding position are provided with erection column, by the connected mode that sticks with glue, the crimping of line ball sign indicating number are fixed on introduction line, the lead-out wire.
Described box body comprises loam cake and lower cover, and the diagonal of lower cover is provided with pilot hole, and the filter circuit plate is fixed on the pilot hole by screw, and lid and lower cover fuse by securing member.
The both sides of described box body are provided with wire casing, and box body is square, spherical, taper or rhombus.
Spray paint in described wave filter surface, stamp, overlay film or mold pressing decorative pattern and client's sign.
Wave filter of the present utility model has following beneficial effect:
1) electric elements on the wave filter are not subjected to the electromagnetic field effects of electromagnetic oven inside, have improved filter effect; 2) improve versatility and enhancing productivity, help realizing standardized production, can be applicable to the electromagnetic oven of similar shape not number simultaneously; 3) simple and reasonable, production and easy to assembly quick reduces the production cost and the material cost of enterprise; 4) this product can also be used for electric cooker, and on other household electrical appliance such as electric pressure cooking saucepan, the scope of application is wider.
Description of drawings
Fig. 1 is the first embodiment decomposition texture schematic diagram of the present utility model.
Fig. 2 is the perspective view after Fig. 1 assembling.
Fig. 3 removes perspective view behind the loam cake for Fig. 2.
Among the figure: 1 is wave filter, and 1.1 is loam cake, and 1.2 is lower cover, and 1.3 is erection column, and 1.4 is wire casing, and 1.5 is pilot hole, and 2 is the filter circuit plate, and 3 for introducing line, and 4 is lead-out wire, and 5 is the line ball sign indicating number, and 5.1 is installing hole.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described.
First embodiment
Referring to Fig. 1-3, this external filter device comprises electromagnetic oven body and is arranged at the interior control circuit board of electromagnetic oven body that the outside of electromagnetic oven body is equiped with wave filter 1, and wave filter is electrically connected with control circuit board.Wave filter 1 comprises the box body that is square, and box body is made up of loam cake 1.1 and lower cover 1.2, convenient processing and assembling; The diagonal of lower cover 1.2 is provided with pilot hole, and loam cake is fixedlyed connected by screw with lower cover, forms a relatively sealed space.
Filter circuit plate 2 is installed in the box body, and filter circuit plate 2 is fixed on the pilot hole 1.5 by screw, is respectively arranged with on the filter circuit plate 2 to introduce line 3 and lead-out wire 4.Be provided with line ball sign indicating number 5 in the box body, line ball sign indicating number two ends are provided with installing hole 5.1, and box body and line ball sign indicating number 5 corresponding positions are provided with erection column 1.3, by the connected mode of screw, 5 crimping of line ball sign indicating number are fixed on introduction line 3, the lead-out wire 4.Make filter circuit plate 2 safe and reliable be fixed in box body, the both sides of box body are provided with wire casing 1.4, an end of introducing line 3 and lead-out wire 4 links to each other with the filter circuit plate respectively, the other end of introducing line 3 is provided with plug, plug and supply socket are joined, and the other end of lead-out wire 4 passes wire casing 1.4 and links to each other with control circuit board.Spraying paint and the mold pressing decorative pattern in described wave filter 1 front and side, makes wave filter 1 overall appearance more attractive in appearance.
Second embodiment
Lead-out wire 4 one ends are provided with coupler, and coupler links to each other with plug on the electromagnetic oven body.Other is not stated with first embodiment.
Claims (8)
1. an external filter device comprises electromagnetic oven body and is arranged at the interior control circuit board of electromagnetic oven body, and it is characterized in that the outside of electromagnetic oven body is equiped with wave filter (1), wave filter is electrically connected with control circuit board.
2. external filter device according to claim 1, it is characterized in that described wave filter comprises box body, be equiped with filter circuit plate (2) in the box body, be respectively arranged with on the filter circuit plate and introduce line (3) and lead-out wire (4), an end of introducing line, lead-out wire links to each other with the filter circuit plate respectively.
3. external filter device according to claim 2 is characterized in that the other end of described introduction line (3) is provided with plug, and the other end of lead-out wire (4) links to each other with control circuit board; Perhaps lead-out wire one end is provided with coupler, and coupler links to each other with plug on the electromagnetic oven body.
4. external filter device according to claim 2, it is characterized in that being provided with in the described box body line ball sign indicating number (5), line ball sign indicating number two ends are provided with installing hole (5.1), box body and line ball sign indicating number corresponding position are provided with erection column (1.3), by the connected mode of securing member, the crimping of line ball sign indicating number is fixed on introduction line (3), the lead-out wire (4).
5. external filter device according to claim 2, it is characterized in that being provided with in the described box body line ball sign indicating number (5), line ball sign indicating number two ends are provided with installing hole (5.1), box body and line ball sign indicating number corresponding position are provided with erection column (1.3), by the connected mode that sticks with glue, the crimping of line ball sign indicating number is fixed on introduction line (3), the lead-out wire (4).
6. according to claim 4 or 5 described external filter devices, it is characterized in that described box body comprises loam cake (1.1) and lower cover (1.2), the diagonal of lower cover is provided with pilot hole (1.5), filter circuit plate (2) is fixed on the pilot hole (1.5) by screw, and lid and lower cover fuse by securing member.
7. external filter device according to claim 6 is characterized in that the both sides of described box body are provided with wire casing (1.4), and box body is square, spherical, taper or rhombus.
8. external filter device according to claim 7 is characterized in that described wave filter (1) surface coating or mold pressing decorative pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201287129U CN201715578U (en) | 2010-02-09 | 2010-02-09 | Externally-mounted filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201287129U CN201715578U (en) | 2010-02-09 | 2010-02-09 | Externally-mounted filtering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201715578U true CN201715578U (en) | 2011-01-19 |
Family
ID=43461581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201287129U Expired - Fee Related CN201715578U (en) | 2010-02-09 | 2010-02-09 | Externally-mounted filtering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201715578U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102252354A (en) * | 2011-05-15 | 2011-11-23 | 浙江绍兴苏泊尔生活电器有限公司 | Electromagnetic oven |
| CN101741091B (en) * | 2010-02-09 | 2013-01-02 | 广东格兰仕集团有限公司 | External filter device |
| WO2021111678A1 (en) * | 2019-12-03 | 2021-06-10 | 日立グローバルライフソリューションズ株式会社 | Cooking device |
-
2010
- 2010-02-09 CN CN2010201287129U patent/CN201715578U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101741091B (en) * | 2010-02-09 | 2013-01-02 | 广东格兰仕集团有限公司 | External filter device |
| CN102252354A (en) * | 2011-05-15 | 2011-11-23 | 浙江绍兴苏泊尔生活电器有限公司 | Electromagnetic oven |
| WO2021111678A1 (en) * | 2019-12-03 | 2021-06-10 | 日立グローバルライフソリューションズ株式会社 | Cooking device |
| JP2021089087A (en) * | 2019-12-03 | 2021-06-10 | 日立グローバルライフソリューションズ株式会社 | Heat cooker |
| JP7236372B2 (en) | 2019-12-03 | 2023-03-09 | 日立グローバルライフソリューションズ株式会社 | heating cooker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110119 Termination date: 20190209 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |