CN1290995A - Non-directional frequency generator fixing plate - Google Patents
Non-directional frequency generator fixing plate Download PDFInfo
- Publication number
- CN1290995A CN1290995A CN00105503A CN00105503A CN1290995A CN 1290995 A CN1290995 A CN 1290995A CN 00105503 A CN00105503 A CN 00105503A CN 00105503 A CN00105503 A CN 00105503A CN 1290995 A CN1290995 A CN 1290995A
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- CN
- China
- Prior art keywords
- frequency generator
- directional frequency
- ndfg
- fixed head
- directional
- 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
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- 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
- H05K1/18—Printed circuits structurally associated with non-printed electric components
- H05K1/182—Printed circuits structurally associated with non-printed electric components associated with components mounted in the printed circuit board, e.g. insert mounted components [IMC]
-
- 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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/54—Conversion of dc power input into ac power output without possibility of reversal by dynamic converters
- H02M7/58—Conversion of dc power input into ac power output without possibility of reversal by dynamic converters using mechanical contact-making and -breaking parts to interrupt a single potential
- H02M7/60—Conversion of dc power input into ac power output without possibility of reversal by dynamic converters using mechanical contact-making and -breaking parts to interrupt a single potential wherein the parts are rotating and collectors co-operate with brushes or rollers
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Constitution Of High-Frequency Heating (AREA)
- Inverter Devices (AREA)
Abstract
The present invention relates to a non-directional frequency generator fixing plate for fixing a non-directional frequency generator(NDFG). First of all, the shell of the non-directional frequency generator(NDFG)is inserted into an insertion hole formed on the bearing part of the DEFG, thus it is supported; and then, the shell is supported by side supporting elements arranged at the periphery of the insertion hole along the insertion direction of the shell; finally, the shell is hard supported by four electrical brush supporting elements which protracts outward from the periphery of the insertion hole and is relative to the fixed protrusion parts of the NDFG.
Description
The present invention relates to a kind of non-directional frequency generator, relate in particular to a kind of fixed head that direct current is converted to the non-directional frequency generator of alternating current that is used to install.
Usually, a kind of electrical equipment such as microwave oven etc. often are designed to only be driven by alternating current (to call AC in the following text).Therefore, when the user wants to use microwave oven in the place of a no alternating current, then have to use a non-directional frequency generator (hereinafter referred to as NDFG), be used for direct current (hereinafter referred to as DC) is converted to alternating current AC.
For example, a non-directional frequency generator NDFG comprises an inverter that utilizes relay or semiconductor element direct current DC to be converted to alternating current AC.Yet there is following defective in traditional semi-conductor type non-directional frequency generator NDFG circuit: owing to the expensive semiconductor element event production cost height of needs, owing to the generation thermal losses of conversion and control semiconductor and owing to output loss generates heat.
In order to address the above problem, same patent application provides a kind of non-directional frequency generator NDFG, it utilizes the rotation converting member that direct current DC is converted to alternating current AC, Korean Patent Application No. is: (applying date is 1998 to 98-18589,5,22) and 98-21117 (applying date is 1998,6,8), do not announce yet so far.
Hereinafter with reference to accompanying drawing the correlation technique of non-directional frequency generator NDFG is simply introduced.
Fig. 1 is according to correlation technique of the present invention, by the non-directional frequency generator NDFG of direct current DC driving and the structural representation of driver part thereof.
Referring to Fig. 1, this non-directional frequency generator NDFG20 comprises one by DC power supply DC10 driving 21, one 25, one groups of brushes 23 that contact with transducer 25 peripheries of transducer that driven by motor 21 of motor to produce revolving force.As shown in Figure 1, transducer 25 comprises a conducting part 25a who is divided into two conducting parts 25a at least, is provided with insert 25b between its two conducting parts 25a.Conducting parts 25a contacts with at least two adjacent brushes 23.DC power supply DC10 connects the input of brush 23, and the output of brush 23 links to each other with high-tension transformer 30.
In above non-directional frequency generator NDFG20, because transducer 25 rotates by DC power supply DC10, contact with the corresponding component of transducer 25 according to the order of sequence with transducer 25 peripheral contacted brushes 23, therefore, AC power AC is offered high-tension transformer 30.
This non-directional frequency generator NDFG20 and high-tension transformer 30 are arranged in the instrument room of microwave oven usually.Must be noted that non-directional frequency generator NDFG20, because because the big electric current in the output 50A-70A scope, and the transducer high speed rotating, it is overheated then can to produce.Especially, because the brush group 23 of non-directional frequency generator NDFG20 should be electrically connected with DC power supply DC10, motor 21 and high-tension transformer 30, electric wire therebetween connects complicated, because generation is overheated in the running of non-directional frequency generator, then produces short circuit phenomenon probably.
The objective of the invention is to: the defective that overcomes above-mentioned correlation technique, a kind of non-directional frequency generator (hereinafter referred to as NDFG) fixed head of ac/dc AC/DC type microwave oven is provided, though firmly non-directional frequency generator, have when big electric current and also do not produce overheated anti-high-tension bus-bar, be easy to use and have the characteristics that can not be short-circuited of thermal deformation resistant.
For finishing above-mentioned purpose, non-directional frequency generator fixing plate of the present invention comprises: the support component that is used for fixing non-directional frequency generator NDFG; Be used for fixing input and output so that non-directional frequency generator is electrically connected to one group of fixed part on the fixed head.
Support component comprises: the patchhole that is used to be provided with the non-directional frequency generator housing; Peripheral from its side along patchhole by the strutting piece of direction of insertion setting with the support non-directional frequency generator; With the housing that protrudes in non-directional frequency generator in order to import and to support the brush strutting piece of one group of brush.
Be arranged at the bottom of fixed head by injection mo(u)lding in order to the electric wire that is electrically connected non-directional frequency generator NDFG.
Described electric wire is made by copper material, is provided with screwed hole in its respective terminal.
According to non-directional frequency generator NDFG of the present invention,, thereby supported at first owing to the housing of non-directional frequency generator NDFG inserted patchhole on the support component that is arranged at non-directional frequency generator NDFG; Secondly by the side supports support that is provided with along the patchhole periphery in the housing direction of insertion; Support securely from peripheral four the brush strutting pieces that outwards stretch of patchhole by fixed projection at last corresponding to non-directional frequency generator NDFG.
And, by one group of fixture fixedly input and the output of the electrical connection of non-directional frequency generator NDFG, make the wiring that is easier to input and output.
Simultaneously, because the electric wire of non-directional frequency generator NDFG is arranged at the fixed head bottom by injection mo(u)lding, thereby be easier to operation, and can not occur because thermal deformation is short-circuited to fixed head.
Below with reference to most preferred embodiment of the present invention and with reference to accompanying drawing purpose of the present invention and other advantage are elaborated.
Fig. 1 is according to correlation technique of the present invention, by the non-directional frequency generator NDFG of direct current DC driving and the structural representation of driver part thereof;
Fig. 2 is the plane graph of non-directional frequency generator NDFG and driver part thereof;
Fig. 3 is the X-X direction sectional view of non-directional frequency generator NDFG fixed head shown in Figure 2;
Fig. 4 is the plane graph of non-directional frequency generator NDFG fixed head bottom surface shown in Figure 2;
Fig. 5 is the Y-Y direction sectional view of non-directional frequency generator NDFG fixed head shown in Figure 2;
Fig. 6 is for being fixed in non-directional frequency generator NDFG shown in Figure 2 the part diagram of the process that installs and fixes on the fixed head;
Fig. 7 is the state diagram when being fixed in non-directional frequency generator NDFG on the non-directional frequency generator NDFG fixed head shown in Figure 2;
Fig. 8 is according to embodiments of the invention, and non-directional frequency generator NDFG fixed head of the present invention is applied to an AC/DC microwave oven structure schematic diagram.
Be elaborated in conjunction with most preferred embodiment of the present invention hereinafter with reference to respective drawings.Same parts has adopted identical label.
Fig. 2 is the plane graph of non-directional frequency generator NDFG and driver part thereof; Fig. 3 is the X-X direction sectional view of non-directional frequency generator NDFG fixed head shown in Figure 2; Fig. 4 is the plane graph of non-directional frequency generator NDFG fixed head bottom surface shown in Figure 2; Fig. 5 is the Y-Y direction sectional view of non-directional frequency generator NDFG fixed head shown in Figure 2.
As shown in Figure 2, this non-directional frequency generator NDFG fixed head 300 comprises a support component 305.
Support component 305 comprises a patchhole 302 that is used to be provided with non-directional frequency generator NDFG housing.Non-directional frequency generator NDFG fixed head is made by injection mo(u)lding by nylon W6.Among Fig. 2, patchhole 302 is arranged at the left side at non-directional frequency generator NDFG fixed head 300 centers.
Support component 305 comprise one group be used for from side supports non-directional frequency generator NDFG housing, at the side strutting piece 305a of direction of insertion upper edge patchhole 302, and one group of brush strutting piece 305b that is used to guide and support one group of brush and protrudes in non-directional frequency generator NDFG20 housing.
Among Fig. 2, support component 305 comprises four side strutting piece 305a and four brush strutting piece 305b respectively.This side strutting piece 305a is along the peripheral of patchhole 302 and vertical mutually with respect to fixed head 300, so that from the housing of its lateral support non-directional frequency generator NDFG20.The top of side strutting piece 305a is tapered to the center.And the brush strutting piece 305b that is cuboid is arranged at the surface of fixed head 300 corresponding to one group of brush 23 and protrudes in the housing of non-directional frequency generator NDFG20, with guiding with support brush 23.
In fixed head 300, electric wire is fixed on its inside by injection mo(u)lding.The dotted line on fixed head 300 surfaces among Fig. 2 represents to imbed the lead in the fixed head 300.Lead 310,312,314,316,318 is made by copper material, and has certain width, length and sectional area respectively, to bear big electric current and high voltage.The two ends of each lead 310,312,314,316,318 are equipped with screw 322.
Correlated digital 402 expressions among Fig. 3 are arranged at the fixed projection of fixed head 300 bottom surfaces.
Referring to Fig. 3, lead 310,318 inserts the fixed head 300 of injection molded.In the bottom surface of fixed head 300, be provided with a pack support 400 and one group of fixed projection 402.At the center of fixed projection 402, be respectively equipped with the thread groove 402a that matches with the bottom of the instrument room of microwave oven.Support 400 is arranged at respectively on each angle of fixed head.
As Fig. 4, shown in Figure 5, higher slightly than fixed head 300 along the peripheral formed edge 502 of fixed head basal surface.Around the screw 322 of lead 310,312,314,316,318 and 320, be respectively equipped with projection 504 with edge 502 same height.And the fixed projection 402 shown in Fig. 4 is provided with thread groove 402a, so that the bottom and the fixed head 300 of the instrument room of microwave oven is fixed together.Fixed projection 402 is from the base projections of fixed head 300 and have the height identical with support 400, and is fixed in the bottom of microwave oven instrument room.
Fig. 6 is for being fixed in non-directional frequency generator NDFG shown in Figure 2 the part diagram of the process that installs and fixes on the fixed head; Fig. 7 is the state diagram when being fixed in non-directional frequency generator NDFG on the non-directional frequency generator NDFG fixed head shown in Figure 2.
As shown in Figure 6, on the housing 704 of non-directional frequency generator NDFG20, be provided with one group of electrical connector, for example, insert four projections 706 of four brushes 23 in it.From four projections 706, draw electric wire 710a, 710b, 712a, 712b respectively.Electric wire 710a, 710b are with direct current DC input non-directional frequency generator NDFG20, and electric wire 712a, 712b will be by the alternating current AC outputs of non-directional frequency generator NDFG conversion.
At first, the bottom of non-directional frequency generator NDFG20 is inserted in the patchhole 302 of fixed head 300, thereby is fixed on the fixed head 300.Then, four side strutting piece 305a that make progress respectively around patchhole 302 peripheries, are provided with downwards are from the side with the housings support of non-directional frequency generator NDFG20.Projection 706 is inserted along patchhole 302 peripheries corresponding to brush 23 between four brush strutting piece 305b that radially stretch, thereby at last non-directional frequency generator NDFG20 firmly is fixed on the fixed head 300.
As shown in Figure 7, electric wire 710a, 710b, 712a, 712b link to each other with 310 with thread connecting mode and lead 318,312,316 by screwed hole 322 respectively.Among Fig. 7, on two pecked lines that connect lead 318 and 314, and connect on two pecked lines of lead 316 and 320, be connected with relay (not mark) respectively.
The output of non-directional frequency generator NDFG20 is arranged on the lead 320 and 310 of fixed head 300, and input then is arranged on lead 312 and 314.
Fig. 8 is according to embodiments of the invention, and non-directional frequency generator NDFG fixed head of the present invention is applied to an ac/dc AC/DC type microwave oven structure schematic diagram.As shown in Figure 8, in the housing 202 of this ac/dc (AC/DC) type microwave oven 200, be provided with cooking room 204 and instrument room 208.Be provided with in order to open and close the door 206 of cooking room 204 in the front side of cooking room 204.208 the front side in the instrument room is provided with and has the control panel 210 of one group of button with the operation of controlled microwave stove 200.
208 the bottom in the instrument room is provided with fixed head 300 and high-tension transformer 30.208 the bottom in the instrument room, also be provided with fixed head 300 on the corresponding screw of fixed projection 402a (mark).Thread groove 402a on this screw and the fixed projection 402 cooperatively interacts by screw thread, so that non-directional frequency generator NDFG fixed head 300 is fixed in the bottom of the instrument room 208 of ac/dc (AC/DC) type microwave oven.
Input electric wire 30a, the 30b of high-tension transformer 30 link to each other with the input of fixed head 300, for example, link to each other with 310 with lead 320, DC power supply for example battery direct current DC by that link to each other with lead 320 with 310, input to non-directional frequency generator NDFG as the electric wire 10a and the 10b of fixed head input.
As mentioned above, according to non-directional frequency generator NDFG fixed head of the present invention, this non-directional frequency generator NDFG at first inserts its housing 704 and is arranged in the patchhole 302 of insertion section 305, is supported; Next is by the support of the side strutting piece 305a that are provided with along patchhole 302 peripheries in the housing direction of insertion; Support securely from peripheral four the brush strutting piece 305b that outwards stretch of patchhole by fixed projection 706 at last corresponding to non-directional frequency generator NDFG.
Especially, utilize one group of input and output that is used for fixing the electrical connector of non-directional frequency generator NDFG, make that the wiring of input and output is easier.
And, by injection mo(u)lding the electric connection line of non-directional frequency generator NDFG is set in the bottom of fixed head 300, make to be easier to handle, reduced because the short circuit that thermal deformation causes.
Claims (5)
1. non-directional frequency generator fixing plate, it comprises:
The support component that is used for fixing non-directional frequency generator; With
Be used for fixing input and output so that non-directional frequency generator is electrically connected to one group of fixed part on the fixed head.
2. non-directional frequency generator fixing plate according to claim 1, it is characterized in that: support component comprises:
Be used to be provided with the patchhole of non-directional frequency generator housing;
Peripheral from its side along patchhole by the strutting piece of direction of insertion setting with the support non-directional frequency generator;
And the housing that protrudes in non-directional frequency generator is in order to import and to support the brush strutting piece of one group of brush.
3. non-directional frequency generator fixing plate according to claim 1 is characterized in that: the bottom that is arranged at fixed head in order to the electric wire that is electrically connected non-directional frequency generator by injection mo(u)lding.
4. non-directional frequency generator fixing plate according to claim 3, it is characterized in that: electric wire is made by copper material.
5. non-directional frequency generator fixing plate according to claim 3 is characterized in that: be provided with screwed hole in the respective terminal of electric wire.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR99-42670 | 1999-10-04 | ||
| KR1019990042670A KR20010035895A (en) | 1999-10-04 | 1999-10-04 | NDFG fixture board for AC/DC microwave oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1290995A true CN1290995A (en) | 2001-04-11 |
Family
ID=19613906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN00105503A Pending CN1290995A (en) | 1999-10-04 | 2000-03-29 | Non-directional frequency generator fixing plate |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP3167699B2 (en) |
| KR (1) | KR20010035895A (en) |
| CN (1) | CN1290995A (en) |
| DE (1) | DE10023733A1 (en) |
| GB (1) | GB2355117A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102637783B1 (en) * | 2017-02-01 | 2024-02-19 | 엘지전자 주식회사 | Air conditioner |
| KR102267416B1 (en) * | 2019-04-26 | 2021-06-18 | 성경선 | filter exchanging type ventilation diffuser |
| DE102020214244A1 (en) | 2020-11-12 | 2022-05-12 | Zf Friedrichshafen Ag | reversing device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT7922514V0 (en) * | 1979-09-12 | 1979-09-12 | Star Utensili Elett | ARRANGEMENT FOR MOUNTING A CONTROL SWITCH IN AN ELECTRICAL TOOL. |
| US4477970A (en) * | 1982-04-01 | 1984-10-23 | Motorola, Inc. | P.C. Board mounting method for surface mounted components |
| DE3501710A1 (en) * | 1985-01-19 | 1986-07-24 | Allied Corp., Morristown, N.J. | PCB WITH INTEGRAL POSITIONING MEANS |
| US5359497A (en) * | 1993-05-10 | 1994-10-25 | Regents Of The University Of California | Planar triode pulser socket |
| JP2564835Y2 (en) * | 1993-09-02 | 1998-03-11 | 松下電器産業株式会社 | Small motor |
-
1999
- 1999-10-04 KR KR1019990042670A patent/KR20010035895A/en active IP Right Grant
-
2000
- 2000-02-16 JP JP2000038757A patent/JP3167699B2/en not_active Expired - Fee Related
- 2000-02-22 GB GB0004182A patent/GB2355117A/en not_active Withdrawn
- 2000-03-29 CN CN00105503A patent/CN1290995A/en active Pending
- 2000-05-15 DE DE10023733A patent/DE10023733A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JP3167699B2 (en) | 2001-05-21 |
| GB2355117A (en) | 2001-04-11 |
| GB0004182D0 (en) | 2000-04-12 |
| KR20010035895A (en) | 2001-05-07 |
| DE10023733A1 (en) | 2001-05-10 |
| JP2001112270A (en) | 2001-04-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |