CN101144243B - Washing machine - Google Patents
Washing machine Download PDFInfo
- Publication number
- CN101144243B CN101144243B CN200710154090XA CN200710154090A CN101144243B CN 101144243 B CN101144243 B CN 101144243B CN 200710154090X A CN200710154090X A CN 200710154090XA CN 200710154090 A CN200710154090 A CN 200710154090A CN 101144243 B CN101144243 B CN 101144243B
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- CN
- China
- Prior art keywords
- circuit board
- control circuit
- washing machine
- lid
- described control
- 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.)
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Abstract
The invention provides a washing machine. The top armor body and panel parts will not be burned out, even though the control circuit board is on fire. The said washing machine comprises a control circuit board (31) for controlling the washing machine and mounted in the top armor body (18) above the washing machine body; a boat like box (36) for mounting the control circuit board; and a moistureproof embedding material (46) filled into the said boat like box and performing waterproof protecting the control circuit board. Wherein a relay (42a) mounted on the control circuit board and with high current passing through, a triode ac switch (42b), convex connector (40a) and concavity connector (41a) are covered by cove body (43) composed of flame resisting or noncombustible material. Thus, the top armor body and panel parts will not be burned out, once the part of high current on the control circuit board is on fire.
Description
Technical field
The present invention relates to a kind of washing machine that is provided with control circuit board, more particularly, relate to the safety structure of l in this washing machine.
Background technology
The generality of existing this washing machine constitutes as shown in Figure 4 (the one example is opened flat 5-123492 referring to the open communique spy of Japan Patent).
Below by Fig. 4 its formation is described.
Washtub 1 is arranged in the washing machine body 2, and the top of washing machine body 2 is provided with top exterior trim body 3, and the approximate centre position of this top exterior trim body 3 is provided with clothes inlet 4.This clothes inlet 4 is covered in the mode that opens and closes freely by lid 5.
The rear portion of top exterior trim body 3 (among Fig. 4 for right side) is built-in: be used for electromagnetic water inlet valve 6 that water inlet is controlled; With the water filling port parts 7 that are connected, in washtub 1, add water with electromagnetic water inlet valve 6.The back upper place of top exterior trim body 3 is covered by rear board parts 8.
In addition, the front portion of top exterior trim body 3 (being the left side among Fig. 4) is provided with the control circuit board installation room 9 that roughly is concavity, and the bezel assembly 11 that is provided with operation push-button 10 is installed on the described control circuit board installation room 9 from the top.Above-mentioned bezel assembly 11 is made of moulding materials such as thermoplastic resins, and its inboard back side is installed with the control circuit board 12 that has parts such as switch (not shown).
But, in above-mentioned existing apparatus constitutes, when just in case because the intrusion of loosening or fastening bad, water of the quality problems of electric component 15, connector portion 14 and steam etc. are former thereby when causing defective insulation, there are possibility on fire in electric component 15 and connector portion 14.Constitute with PP (polypropylene) and ABS (acrylonitrile-styrene-butadiene copolymer) thermoplastic resin of etc.ing because bezel assembly 11 is general, the meeting on fire that therefore exists the generation of electric component 15 and connector portion 14 places spreads to top exterior trim body 3 and bezel assembly 11, with its problem of burning together.
Summary of the invention
The present invention is intended to solve the above-mentioned problems in the prior art, its purpose is to provide a kind of safety-type washing machine, even this washing machine is not just in case because of reasons such as loosening or fastening bad, water of electric component quality problems, connector portion and steam intrusion cause the electric component and the connector part that flow through high electric current in the control circuit board to occur under the situation on fire, can make top exterior trim body and panel component burn because of the intensity of a fire enlarges yet.
In order to solve the above-mentioned problems in the prior art, in washing machine of the present invention, the control circuit board of control washing machine work is installed in the top exterior trim body on the washing machine body, and be arranged in the ship shape box that a side is provided with the opening portion, also be filled with the damp proof Embedding Material of using that constitutes by urethane resin etc. in this ship shape box.In electric component on being installed in described control circuit board and the connector portion, be to have the described electric component that high-current flow crosses and that part of control circuit board at connector portion place to use the lid that constitutes by difficulty combustion or non-flammable resin parts to cover at least.
Like this, even just in case owing to the quality problems that the electric component that high-current flow crosses is wherein arranged on the control circuit board, connector portion is loosening or the reasons such as intrusion of fastening bad, water and steam cause electric component and connector portion on fire, also can by cover electric component and and the lid top, that constitute by difficulty combustion or non-flammable resin parts of connector portion prevent fire spreading and expansion.
The technique effect that the present invention produces is as follows.Even washing machine of the present invention also can prevent to be burnt by the top exterior trim body of thermoplastic resin and panel component etc. just in case the reasons such as defective insulation that cause because of loosening or fastening bad, the water of the quality problems that the electric component that high-current flow crosses is arranged on the control circuit board, connector portion and the intrusion of steam etc. cause under electric component and the connector portion situation on fire.
The specific embodiment of the present invention is summarized as follows.Washing machine in the 1st scheme of the present invention comprises: washing machine body; Be installed in the top exterior trim body on the described washing machine body; Be installed in the control circuit board that described top exterior trim body is interior, be used to control washer operation; In the ship shape box that described control circuit board, one side are provided with the opening portion is housed; Advance the damp proof Embedding Material of using of urethane resin etc. with filling under the state that described control circuit board is contained in the described ship shape box, in described ship shape box.Wherein, in the electric component and connector component on being installed in described control circuit board, the lid that part of control circuit board that at least wherein is provided with described electric component that high-current flow crosses and connector portion has been made of difficulty combustion or non-flammable resin parts is covered along the patent part side of ship shape box.Like this, even because the reasons such as intrusion of loosening or fastening bad, the water of the quality problems that the electric component that high-current flow crosses is arranged on the control printed wiring circuit board, connector portion and steam just in case cause electric component and connector portion on fire, can prevent also that by difficulty combustion or the non-flammable resin parts that cover electric component and connector portion top the intensity of a fire from enlarging, thereby can prevent that top exterior trim body and panel component that PP (polypropylene) and ABS thermoplastic resins such as (acrylonitrile-styrene-butadiene copolymers) constitute from being burnt.
The 2nd scheme is specially, and the lid that is made of difficulty combustion or non-flammable resin parts in the 1st scheme is fixed on the ship shape box.Like this, owing to need not to form special formation for lid is installed, can simplified structure, reduce cost.
The 3rd scheme is specially, in the control circuit board in the 1st or the 2nd scheme, there are electric component that high-current flow crosses and connector portion etc. to be concentrated and are provided with, and the electric component that only flows through low current is housed and the function circuit plate of connector portion separates formation with described control circuit board; The lid that has been made of difficulty combustion or non-flammable resin parts is set at power supply wiring part one side in the described control circuit board.Like this, concentrate on power supply wiring part one side in the control circuit board, can reduce the coverage of lid, lid can be diminished, thereby can reduce cost by making electric component that high-current flow crosses and connector portion.
The 4th scheme is specially, control circuit board described in arbitrary scheme of the 1st～3 is arranged in the recess of the front portion that is located at top exterior trim body or sidepiece, described recess is covered by the Appearance Panel parts under the state of the lid that is installed into described control circuit board and is made of difficulty combustion or non-flammable resin parts again.Like this, can whether lid is installed to confirm on the assigned position after, on the exterior trim body of top, install the Appearance Panel parts again, so lid can be installed on the position of regulation reliably.
Description of drawings
Fig. 1 is the exploded perspective view of the top exterior trim body of the washing machine in the embodiment of the invention 1,
Fig. 2 is the partial section of the top exterior trim body of this washing machine,
Fig. 3 is the summary exploded perspective view of the top exterior trim body of the washing machine in the embodiment of the invention 2,
Fig. 4 is the partial section of existing washing machine.
In the above-mentioned accompanying drawing, 17 is washing machine body, and 18 is top exterior trim body, 22 is recess, and 26 is the Appearance Panel parts, and 31 is control circuit board, 35 is the function circuit plate, and 36 is the 1st ship shape box, and 40a is connector portion (a convex connector), 41a is connector portion (a concavity connector), 42a is electric component (relay), and 42b is electric component (triode ac switch), and 43 is lid (difficult combustion or non-flammable resin parts), 46 is the damp proof Embedding Material of using, and 47 is the opening portion.
The specific embodiment
Come with reference to the accompanying drawings some embodiments of the present invention are elaborated.It is pointed out that such embodiment does not have the effect that limits the scope of the invention.
(embodiment 1)
Fig. 1 is the exploded perspective view of the top exterior trim body of the washing machine among the present invention the 1st embodiment.
Fig. 2 is the partial section of the top exterior trim body in this washing machine.
As shown in fig. 1, washtub 11 is housed in the washing machine body 17, its top is equipped with top exterior trim body 18.In order to enhance productivity and to design convenience, top exterior trim body 18 generally is made of PP (polypropylene) and ABS thermoplastic resin moulding materials such as (acrylonitrile-styrene-butadiene copolymers).The centre of above-mentioned top exterior trim body 18 is provided with the clothes inlet 16 that is used for dropping into to washtub 11 clothing.
Described the place ahead recess 21 is by constituting that the Appearance Panel parts 25 that are used to operate and show are covered, and described the Appearance Panel parts 25 are provided with parts such as display part 23 and operation push-button 24, are made of thermoplastic resins such as PP and ABS.Equally, the upper surface of side recess 22 is also covered by side the Appearance Panel parts 26, and described side the Appearance Panel parts 26 also are made of thermoplastic resins such as PP and ABS.
In addition, keep in the rear portion of top exterior trim body 18: the electromagnetic water inlet valve 27 that is used to control water inlet; With the water filling port parts 28 that are connected, are used in washtub 11, adding water with electromagnetic water inlet valve 27.The top of top exterior trim body 18 is covered by rear board parts 29.
The work of 31 pairs of washing machines of control circuit board is controlled.Control circuit board 31 is connected with driver parts such as AC power and motor (not shown)s by lead 30 on the one hand, is connected with function circuit plate 35 by holding wire 32 on the other hand.Be equipped with in this function circuit plate 35: be located at the display part 23 corresponding locational display units 33 on the operation display panel 25 with the washing machine front; And be located at and parts such as operation push-button 24 corresponding locational functional units 34.
As mentioned above, connect by holding wire 32 between function circuit plate 35 and the control circuit board 31.Owing to parts such as display unit 33 that work under low current (as being less than or equal to 1A) only is housed in the function circuit plate 35 and functional units 34, do not have the formation that high electric current (as more than or equal to 3A) flows through so formed.
During assembling, function circuit plate 35 is fixed on the back side of operation display panel 25 by modes such as screw are fastening earlier, and then loads onto operation display panel 25, and the place ahead recess 21 is covered.By like this function circuit plate 35 being arranged on the front portion of washing machine, it is convenient that the user is operated.
In addition, be equipped with in the control circuit board 31: the concavity connector 41a that inserts for the convex connector 40a of the front end that is located at the lead 30 that is used for the input ac power electric current; And at relay 42a from the electric current of AC power; And the thyratron that is used to control the energising situation of motor is parts such as triode ac switch 42b.
When motor is driven, will there be high electric current (as more than or equal to 3A) to flow through among concavity connector 41a, convex connector 40a, relay 42a and the triode ac switch 42b.
The length direction of control circuit board 31 is set on the fore-and-aft direction, and the open surface of the 1st ship shape box 36 is towards laterally, and two sidewall 36a, 36b are in upper and lower respectively, are upright state.Control circuit board 31 is fixed in the side recess 22 by modes such as screw are fastening under this state, and its top is covered by the Appearance Panel parts 26 again, thereby makes outside inner control circuit board 31 is not exposed to.
And the convex connector 40a, the AC power electric current that be installed in concavity connector 41a on the control circuit board 31, are inserted among this concavity connector 41a are concentrated rear portion one side that is arranged on control circuit board 31 with the electronic units such as triode ac switch 42b of relay 42a and control electrical power situation.
Concentrate concavity connector 41a, convex connector 40a, relay 42a and the triode ac switch 42b etc. that are provided with for these, the lid 43 that is made of difficulty combustion or non-flammable resin material is covered.
Be described in detail below by the mounting structure of the sectional view among Fig. 2 control circuit board 31 grades.
The control circuit board 31 that concavity connector 41a and triode ac switch 42b etc. are installed remains in the 1st ship shape box 36 by little spiral shell 45 etc., also be filled into simultaneously by urethane resin etc. constitute damp proof with Embedding Material 46, to improve damp proof effect.
Here, the filling method of described damp proof Embedding Material 46 is: in the preorder stroke of assembling manufacture process, opening portion 47 1 sides that make the 1st ship shape box 36 are towards the top, the control circuit board 31 of packing into; Afterwards, described damp proof Embedding Material 46 is flowed into from the top, after the drying more as shown in Figure 3 like that vertical direction is arranged in the cross section.This mode is to be subjected to the global shape of washing machine, and the mode that adopts during the space constraints of side recess 22, if having more than neededly on the space, also can be provided with in the horizontal direction.
In the 1st ship shape box 36, aforesaid concavity connector 41a, be inserted into convex connector 40a among the concavity connector 41a and triode ac switch 42b etc. and be arranged on opening portion 47 1 sides, this part uses the lid 43 that is made of difficulty combustion or non-flammable resin material to cover.Described lid 43 is provided with one or more pawl 43a that is one with it, with 36 stage portion 36a on the 1st ship shape box chimeric/fasten, realize fixing.
In addition, the bottom surface, left side of the 1st ship shape box 36 is formed with the installing plate 48 that forms one with it, and described installing plate 48 is arranged on the convex pillar part 49 of bottom of the recess 22 that is formed on top exterior trim body 18, is fixed by spiral shell 50 again.
In addition, flow through the electric component and the connector portion of high electric current (as more than or equal to 3A) during for motor-driven, though only mentioned parts such as concavity connector 41a, convex connector 40a, relay 42a and triode ac switch 42 in the present embodiment, but, in addition also can have other high galvanic element.Under these circumstances, also only need high current segment covered with lid 43 and get final product.
Operational circumstances and effect to the control circuit plate portion in the washing machine with above-mentioned formation is described below.
As mentioned above, when motor is driven, will there be high electric current (as more than or equal to 3A) to flow through among concavity connector 41a, convex connector 40a, relay 42a and the triode ac switch 42b.
Though under normal user mode, can not occur unusual, but occur in relay 42a, triode ac switch 42b between quality problems, concavity connector 41a and the convex connector 40a occurring that a part in loosening or fastening bad, the lead 30 breaks, water and steam invade under this a part of medium situation furtherly, can produce phenomenons such as loose contact and defective insulation, exist the danger that causes that electric component and connector portion might catch fire.
On firely generally occur in a side that connector 40a, 41a and relay 42a etc. are installed, be the right side of the control circuit board 31 among Fig. 2.If neighbouring have combustible object to have the danger that can produce fire spreading.
But, even when above-mentioned abnormal conditions take place, the lid 43 that is made of difficulty combustion or noninflammability material also can prevent the expansion of scope on fire, thereby can prevent that the situation that the Appearance Panel parts 26 that form with thermoplastic resins such as PP and ABS and top exterior trim body 18 are burnt from occurring.
In addition, because lid 43 undertakies chimericly just can finishing assembling by pawl 43a and the 1st boat shape box 36, so also need not construct especially during lid 43 installations, simple in structure, cost is low.
In addition, because the formation that the part that lid 43 is just will have electric component that high electric current (as more than or equal to 3A) flows through and connector portion to gather is covered, so the shape of the lid 43 big shapeization that needn't become, thereby can reduce manufacturing cost. meaninglessly
In addition, because control circuit board 31 and the 1st ship shape box 36 are fixed in the side recess 22 by modes such as screw are fastening under the state of installing lid 43, and then top exterior trim body 18 is installed on the Appearance Panel parts 26 from the top, therefore, can whether install reliably lid 43 in advance and confirm, and then carry out thereafter assembling operation.
(embodiment 2)
Fig. 3 is the summary exploded perspective view of the top exterior trim body of the washing machine among the present invention the 2nd embodiment.Wherein, the component parts identical with aforesaid the 1st embodiment effect only put on identical symbol, and omission is described in greater detail.
As shown in Figure 3, control circuit board 31 and function circuit plate 35 are set in integrally formed the 1st boat shape box 36 and the 2nd ship shape box 37, and connect by very short holding wire 32.
This occasion is meant, for the consideration to specification of appearance design, control circuit board 31 and the function circuit plate 35 of washing machine etc., the control circuit board 31 of washing machine and function circuit plate 35 are arranged on the front portion of the top exterior trim body 18 of washing machine together.
In these cases, as shown in Figure 3, be provided with the lid 43 that is made of difficulty combustion or non-automatic incombustible material above the control circuit board 31 that has high-current flow to cross, lid 43 is installed on the 1st ship shape box 36 from the top.Under such state, the 1st ship shape box 36 and the 2nd ship shape box 37 are fixed on the top exterior trim body 18 with the screw fastening means by screw 50.
In addition, install top exterior trim body 18 again after confirming on the assigned position that can whether be installed to the 1st ship shape box 36 to the pawl 43a on the lid 43, therefore, lid 43 just can be installed on the position of regulation reliably.
In sum, washing machine of the present invention is concentrated the electric component that flows through high electric current in the control circuit board, and installs the lid of being made by difficulty combustion or non-automatic incombustible material on such concentrated part.The present invention like this,, can prevent that also burning is extended to other positions, so can be useful in the printed circuit board (PCB) of electronic equipment that high and low electric current mixes existence just in case accident on fire takes place.
Claims (5)
1. washing machine is characterized in that:
Washing machine body;
Be installed in the top exterior trim body on the described washing machine body;
Be installed in the control circuit board that described top exterior trim body is interior, be used to control washer operation;
In the ship shape box that described control circuit board, one side are provided with the opening portion is housed; With
Under the state that described control circuit board is contained in the described ship shape box, in described ship shape box, be filled with the damp proof Embedding Material of using of urethane resin,
In the electric component and connector component on being installed in described control circuit board, the lid that part of control circuit board that at least wherein is provided with described electric component that high-current flow crosses and connector portion has been made of difficulty combustion or non-flammable resin parts is covered along opening portion one side of ship shape box.
2. washing machine as claimed in claim 1 is characterized in that following structure: the lid that is made of difficulty combustion or non-flammable resin parts is fixed on the ship shape box.
3. the washing machine described in claim 1 or 2, it is characterized in that following structure: in described control circuit board, there are electric component that high-current flow crosses and connector portion etc. to be concentrated and are provided with, and the electric component that only flows through low current is housed and the function circuit plate of connector portion separates formation with described control circuit board; The lid that has been made of difficulty combustion or non-flammable resin parts is set at power supply wiring part one side in the described control circuit board.
4. the washing machine described in claim 1 or 2, it is characterized in that: described control circuit board is arranged in the recess of the place ahead that is located at top exterior trim body or side, described recess is covered by the Appearance Panel parts under the state of the lid that is installed into described control circuit board and is made of difficulty combustion or non-flammable resin parts again.
5. the washing machine described in claim 3, it is characterized in that: described control circuit board is arranged in the recess of the place ahead that is located at top exterior trim body or side, described recess is covered by the Appearance Panel parts under the state of the lid that is installed into described control circuit board and is made of difficulty combustion or non-flammable resin parts again.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006249078 | 2006-09-14 | ||
| JP2006249078A JP2008067901A (en) | 2006-09-14 | 2006-09-14 | Laundry machine |
| JP2006-249078 | 2006-09-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101144243A CN101144243A (en) | 2008-03-19 |
| CN101144243B true CN101144243B (en) | 2010-06-09 |
Family
ID=39206959
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710154090XA Expired - Fee Related CN101144243B (en) | 2006-09-14 | 2007-09-14 | Washing machine |
| CNU200720176454XU Expired - Lifetime CN201121266Y (en) | 2006-09-14 | 2007-09-14 | Washing machine |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720176454XU Expired - Lifetime CN201121266Y (en) | 2006-09-14 | 2007-09-14 | Washing machine |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2008067901A (en) |
| CN (2) | CN101144243B (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008067901A (en) * | 2006-09-14 | 2008-03-27 | Matsushita Electric Ind Co Ltd | Laundry machine |
| JP5053975B2 (en) * | 2008-08-04 | 2012-10-24 | 株式会社東芝 | Washing and drying machine |
| JP5024261B2 (en) * | 2008-10-16 | 2012-09-12 | パナソニック株式会社 | Washing machine |
| JP5938550B2 (en) * | 2012-01-13 | 2016-06-22 | パナソニックＩｐマネジメント株式会社 | Washing machine |
| JP5938551B2 (en) * | 2012-01-13 | 2016-06-22 | パナソニックＩｐマネジメント株式会社 | Operating device |
| JP5938552B2 (en) * | 2012-01-13 | 2016-06-22 | パナソニックＩｐマネジメント株式会社 | Operating device |
| JP5938553B2 (en) * | 2012-01-13 | 2016-06-22 | パナソニックＩｐマネジメント株式会社 | Washing machine |
| JP5845412B2 (en) * | 2012-01-13 | 2016-01-20 | パナソニックＩｐマネジメント株式会社 | Power supply |
| JP5845411B2 (en) * | 2012-01-13 | 2016-01-20 | パナソニックＩｐマネジメント株式会社 | Washing machine |
| CN108505293A (en) * | 2017-02-28 | 2018-09-07 | 青岛海尔滚筒洗衣机有限公司 | A kind of anti-static device of washing machine door body lamp control plate |
| JP7438669B2 (en) * | 2019-03-28 | 2024-02-27 | シャープ株式会社 | washing machine |
| CN114808367B (en) * | 2022-04-29 | 2023-11-03 | 无锡小天鹅电器有限公司 | Clothes treating apparatus |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005052282A (en) * | 2003-08-01 | 2005-03-03 | Matsushita Electric Ind Co Ltd | Controller for appliance |
| CN201121266Y (en) * | 2006-09-14 | 2008-09-24 | 松下电器产业株式会社 | Washing machine |
-
2006
- 2006-09-14 JP JP2006249078A patent/JP2008067901A/en active Pending
-
2007
- 2007-09-14 CN CN200710154090XA patent/CN101144243B/en not_active Expired - Fee Related
- 2007-09-14 CN CNU200720176454XU patent/CN201121266Y/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005052282A (en) * | 2003-08-01 | 2005-03-03 | Matsushita Electric Ind Co Ltd | Controller for appliance |
| CN201121266Y (en) * | 2006-09-14 | 2008-09-24 | 松下电器产业株式会社 | Washing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN201121266Y (en) | 2008-09-24 |
| CN101144243A (en) | 2008-03-19 |
| JP2008067901A (en) | 2008-03-27 |
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