CN201426221Y - Machine control device - Google Patents
Machine control device Download PDFInfo
- Publication number
- CN201426221Y CN201426221Y CN2009201545734U CN200920154573U CN201426221Y CN 201426221 Y CN201426221 Y CN 201426221Y CN 2009201545734 U CN2009201545734 U CN 2009201545734U CN 200920154573 U CN200920154573 U CN 200920154573U CN 201426221 Y CN201426221 Y CN 201426221Y
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- CN
- China
- Prior art keywords
- control device
- main body
- device main
- protection box
- damp proof
- 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.)
- Expired - Fee Related
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- Casings For Electric Apparatus (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
Abstract
The utility model relates to a machine control device which can greatly lower the used amount of moisture-proof grouting materials. The machine control device comprises a control device main body (6)which is formed by a printed circuit board whose upper surface (6a) is provided with an electronic element (14) and opposite surface is provided with a tin soldering surface (6b), a protection box (15) which is internally provided with a machine control device main body (6), and a moisture-proof grouting material (8) which is filled in a protection box (15). The protection box (15) is provided with a ring-shaped contact portion formed by curved lines or straight lines on the periphery of the tin soldering surface (6b) of the control device main body (6), thereby the device main body is hermetically fixed and controlled. The protection box (15) is provided with an air-tight space (16) which is not filled with moisture-proof grouting materials on the tin soldering surface (6b) on the opposite of the control device main body (6), thereby the machine control device can greatly lower the used amount of moisture-proof grouting materials (8).
Description
Technical field
The present invention relates to the damp proof fill material of a kind of usefulness and the control device main body of control machine equipment operation is carried out the equipment control device of water-proofing treatment.
Background technology
Be installed in machinery equipment particularly washing machine etc. make in the control device in the machinery equipment of water, various electronic components such as switch and light-emitting diode all are installed on the printed circuit board (PCB).In order to make these elements realize waterproof, all can use the damp proof fill material of making by polyurethane to carry out water-proofing treatment (wherein an example can disclose communique 2002-315993 with reference to Japan Patent) on the electric conductor surface of various electronic components
The formation of the control device of the existing washing machine of being put down in writing in the above-mentioned patent gazette has been shown in Fig. 3～5.
The partial section that Fig. 3 constitutes for the expression control device.As shown in Figure 3, the top of body 1 is provided with the top cover 2 that constitutes top enclosure, is formed with operating portion 3 on the top cover 2, and combines with top machine frame 4.Dispose protection box 5 in the space 13 that constitutes between top cover 2 and the top machine frame 4, the control device main body 6 of operating control just is installed in the protection box 5.Described protection box 5 is made by thermoplastic resins such as acrylic resin, ABS resin, and the cross section is slightly "] " the word shape, the upper surface of box body is cut, is open state, and the bottom surface then forms the smooth shallow end that slightly is rectangle.
In control device main body 6, have on the printed circuit board (PCB) of Copper Foil wiring elements such as switch 12 and electronic component 14 are installed.Control device main body 6 is installed in the protection box 5, and shown in the exploded oblique view of Fig. 4 like that, be fixed in the protection box 5 by screw 7.
Fig. 5 is the sectional view of the damp proof fill material injection mode of expression control device.For the solder side (reverse side of switch 12) of the printed circuit board (PCB) in the protection box 5 is also prevented wet process; as shown in Figure 5; the protection box is provided with protuberance 5a, 5b, produces drop by protuberance 5a, 5b, thereby guarantees the space that can allow damp proof fill material flow into, fill.
During filling; can injector 9 is from the top damp proof fill material 8 that injection is formed by polyurethane rubber etc. in protection box 5; the positive and negative of printed circuit board (PCB) is reached on every side fully by damp proof fill material 8 fillings; thereby can prevent wet process to control device main body 6, constitute and protection box-like all-in-one-piece control device 10.
But, adopt the words of existing reperfusion mode, because the printed circuit panel area of control device main body 6 needs all to cover with damp proof fill material, so the injection rate of damp proof fill material is many, sclerosis also needs the time (as placing more than one hour) in 80 ℃ hardening furnace, exist the problem that fee of material increases, production efficiency is low.
In addition; because control device main body 6 is one with protection box 5; if judge the electronic component that is installed on the printed circuit board (PCB) problem is arranged; switch and electronic component can't be repaired individually because being coated with damp proof fill material, so can only will constitute control device 10 integral replacings of one with protecting box generally speaking.Like this, when changing, except switch and electronic component, also exist the problem that the damp proof fill material made by a large amount of polyurethane resin etc. also will be thrown away together as industrial waste.
Summary of the invention
The present invention is intended to solve the above-mentioned problems in the prior art, and its purpose is to reduce significantly the use amount of damp proof fill material on the basis that does not reduce the damp proof effect of control device main body.
To achieve these goals, the present invention is arranged on the control device main body and protects in the box, and it is that the printed circuit board (PCB) of solder side constitutes that this control device main body is provided with the electronic component back side by upper surface.Be filled with damp proof fill material in the described protection box, and be provided with the solder side periphery that is used for the support control mechanism main body, by the ring-type contact site that curve or straight line form, the control device main body is carried out sealing and fixing.In addition, described protection box is formed with the confined space of not filling damp proof fill material at the solder side at the described control device back side.
Thus, by between the solder side of protection box and control device main body, forming the confined space of not filling damp proof fill material, can reduce damp proof fill material significantly.
The technique effect that the present invention produces is that its equipment control device can reduce the use amount of damp proof fill material significantly.
The specific embodiment of the present invention is summarized as follows.The equipment control device of the present invention's the 1st scheme comprises: the protection box that the shallow end is smooth is equipped with in the described protection box and is used to the control device main body controlling machine run and be made of printed circuit board (PCB); The mounted on surface of described control device main body has electronic component, and the back side is solder side, and fills described protection box described control device main body is prevented damp proof fill material wet process, that formed by polyurethane rubber etc.Described protection box is provided with the ring-type contact site that is formed by curve or straight line at the solder side periphery of control device main body; thereby sealing and fixing control device main body, and the solder side at the control device main body back side in described protection box forms the confined space of not filling damp proof fill material.Like this, under the prerequisite that does not influence damp proof effect, can reduce the use amount of damp proof fill material significantly.
The 2nd scheme of the present invention is that the bottom of protection box is provided with minute opening portion, makes at the bottom of the protection box and the confined space and the external communications that form between the solder side of control device main body.Like this, the pressure differential of confined space and atmosphere can be eliminated, thereby can prevent to produce dewfall because respiration causes outside moisture to be invaded on solder side.
Description of drawings
Fig. 1 is the partial section of the equipment control device in one embodiment of the present of invention,
Fig. 2 is the exploded oblique view of this equipment control device,
Fig. 3 is the partial section of the existing equipment control device structure of expression,
Fig. 4 is the exploded oblique view of the existing equipment control device structure of expression,
Fig. 5 is the sectional view of the damp proof can injection mode in the existing equipment control device of expression.
6 is the control device main body in the above-mentioned accompanying drawing, and 6a is a upper surface, and 6b is a solder side, and 8 is damp proof fill material, and 15 are the protection box, and 16 is confined space, and 17 is contact site, and 24 is peristome.
Embodiment
With reference to the accompanying drawings a preferred embodiment of the present invention is elaborated.It is pointed out that simultaneously embodiments of the invention do not have the effect that limits the scope of the invention.
(embodiment)
Fig. 1 is the partial section of the equipment control device in one embodiment of the present of invention, and Fig. 2 is the exploded oblique view of this equipment control device.
Shown in the partial section among Fig. 1, above body 1, be provided with top basket 4, constituted space 13 between the top cover 2 of top basket 4 and formation body end face.Be provided with protection box 15 in the above-mentioned space 13, be provided with control device main body 6 in the protection box 15, and be provided with opening portion 21 on top.
Control device main body 6 is made of printed circuit board (PCB), and the bottom of protection box 15 is provided with contact site 17 integrated with it, that height fall is H, and the periphery of control device main body 6 is arranged on the contact site 17 with the mode that fits tightly, and is fixed by screw 18 again.Like this, formed and highly be the confined space 16 of H between the bottom of the back side of control device main body 6 and protection box 15.
Damp proof fill material 8 from the opening portion 21 1 sides fill, the upper surface 6a side (side of switch 12 and electronic component 14 etc. just be housed) opposite with confined space 16 will be packed into damp proof fill material 8, then not fill in solder side 6b of printed circuit board (PCB) (with switch 12 opposition sides) that is the confined space 16.
Therefore, the solder side 6b side towards confined space 16 in the control device main body 6 can form air-tight state under the effect of damp proof fill material 8 and control device main body 6, realizes isolated with the outside.
In addition; the protection box 15 the bottom be provided with small peristome 24 (such as; aperture about φ 0.8mm), the confined space 16 that forms between the solder side of protection box 15 and control device main body 6 is connected with the outside, thereby eliminates the pressure differential between confined space 16 and the outside.
Contact site 17 forms ring-type by curve or straight line under flat state, because the periphery of the solder side of carrier control device main body 6.In order to improve the sealing between contact site 17 and the control device main body 6, on the edge of protection box 15, be provided with and contact site 17 integrated a plurality of screw holes 19, control device main body 6 is fixed on the edge part of protection box 15 by a plurality of screws 18.
Also have, if necessary, can also increase the sealing gasket 20 that use is made by TR thin rubber sheet etc. between contact site 17 and the control device main body 6, thereby further improve sealing effectiveness.
Because the periphery of control device main body 6 seals with protection box 15, so the damp proof fill material of injecting from the top 8 can not invade solder side 6b one side at control device main body 6 back sides basically.But; use at printed circuit board (PCB) under the occasion of papery phenolic materials; because the printed circuit board (PCB) bending that causes because of wave-soldering in process of manufacture also may exist; though and damp proof fill material 8 is that 25 viscosity when spending are up to 1300cps in the filling temperature; but before damp proof fill material 8 sclerosis; as long as slit a little also might flow to solder side 6b one side from the slit between the contact site 17 of control device main body 6 and protection box 15.For the quantity that prevents from the generation of this phenomenon, can increase to take screw, increase sealing gasket 20 or in measures such as contact site 17 coating adhesives, improve the sealing between the contact site 17 of printed circuit board (PCB) and protection box 15 as much as possible.
Also have, be provided with in the bottom of protection box 15 and be used to eliminate the inside of protection box 15 and the peristome 24 of the pressure differential between the outside.
Below operation, effect and the effect of equipment control device with above-mentioned formation is elaborated.
At first; the control device main body of control machine run is contained in the protection box 15; the bottom surface of protection box 15 is the smooth shallow end; make the solder side of control device main body 6 form confined space 16, and fill with carrying out the damp proof fill material 8 that the materials such as ammonia benzoic acid resin of water-proofing treatment form in the protection box 15 control device main body 6.Just the side that switch 12 electronic components such as grade are installed is carried out owing to fill, therefore greatly reduce the use amount of damp proof fill material 8, and still can keep and atmospheric isolation, obtain damp proof effect.
In general, because solder side is provided with elements such as the pin of electronic component and microcontroller, minimum also the needs about 3mm of thickness when therefore filling for the control device main body, relative element plug-in mounting face is in order to cover the minimum 3mm that also need such as lead-in wire of resistance, LED.Because the solder side side is not filled damp proof fill material, therefore the fee of material of damp proof fill material can reduce half approximately, so not only can reduce material cost, has improved working (machining) efficiency simultaneously.A kind of control device of environmental protection more can be provided after in addition, the use amount of damp proof fill material reduces.
After forming confined space 16 between the solder side of protection box 15 and control device main body 6; if when between the internal pressure of confined space 16 and the pressure on every side pressure differential being arranged; can produce " breathing " effect; when the outside of confined space 16 is hot and humid environment; its inside will dewfall, might cause the insulating properties of solder side to reduce.For addressing this problem, confined space one side is provided with the minute opening portion 24 with external communications, eliminates the pressure differential between confined space 16 and the outside, prevents to cause because of respiration the intrusion of outside moisture, thereby can prevent the solder side dewfall.
In sum, equipment control device of the present invention not only can reduce the use amount of damp proof fill material greatly by forming confined space between the solder side that makes protection box and control device main body, and can also keep by with the damp proof effect of atmospheric isolation.
Equipment control device of the present invention is applicable to the control device to the demanding various machines of resistance to water.
Claims (2)
1. equipment control device is characterized in that comprising:
The protection box that the shallow end is smooth is equipped with in the described protection box and is used to the control device main body controlling machine run and be made of printed circuit board (PCB);
The mounted on surface of described control device main body has electronic component, and the back side is solder side, and
Fill described protection box described control device main body prevented damp proof fill material wet process, that formed by polyurethane rubber etc.,
Described protection box is provided with the ring-type contact site that is formed by curve or straight line at the solder side periphery of control device main body; thereby sealing and fixing control device main body, and the solder side at the control device main body back side in described protection box forms the confined space of not filling damp proof fill material.
2. equipment control device according to claim 1 is characterized in that:
The bottom of protection box is provided with minute opening portion, makes at the bottom of the protection box and the confined space and the external communications that form between the solder side of control device main body.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008135137 | 2008-05-23 | ||
| JP2008135137A JP2009279226A (en) | 2008-05-23 | 2008-05-23 | Controller for appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201426221Y true CN201426221Y (en) | 2010-03-17 |
Family
ID=41372674
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009101430294A Pending CN101588690A (en) | 2008-05-23 | 2009-05-22 | Machine control apparatus |
| CN2009201545734U Expired - Fee Related CN201426221Y (en) | 2008-05-23 | 2009-05-22 | Machine control device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009101430294A Pending CN101588690A (en) | 2008-05-23 | 2009-05-22 | Machine control apparatus |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2009279226A (en) |
| CN (2) | CN101588690A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107976932A (en) * | 2016-10-25 | 2018-05-01 | 西克股份公司 | Control device at least one machine of security control |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| CN103628281B (en) * | 2013-11-28 | 2017-01-04 | 蒋明 | Control device for washing machine |
| JP2016109350A (en) * | 2014-12-05 | 2016-06-20 | ダイキン工業株式会社 | Refrigeration device |
| CN111979697A (en) * | 2019-05-23 | 2020-11-24 | 博西华电器（江苏）有限公司 | Laundry treating machine and control panel assembly thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6011475U (en) * | 1983-07-05 | 1985-01-25 | 松下電器産業株式会社 | Waterproofing equipment for electronic component mounting boards |
| JPH0527187Y2 (en) * | 1988-03-28 | 1993-07-09 | ||
| JPH1197855A (en) * | 1997-09-19 | 1999-04-09 | Paloma Ind Ltd | Board case |
| JP2001298279A (en) * | 2000-04-13 | 2001-10-26 | Sanyo Electric Co Ltd | Controller for electronic apparatus |
-
2008
- 2008-05-23 JP JP2008135137A patent/JP2009279226A/en active Pending
-
2009
- 2009-05-22 CN CNA2009101430294A patent/CN101588690A/en active Pending
- 2009-05-22 CN CN2009201545734U patent/CN201426221Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107976932A (en) * | 2016-10-25 | 2018-05-01 | 西克股份公司 | Control device at least one machine of security control |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2009279226A (en) | 2009-12-03 |
| CN101588690A (en) | 2009-11-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100317 Termination date: 20140522 |