CN102661631B - Control box for water heater - Google Patents
Control box for water heater Download PDFInfo
- Publication number
- CN102661631B CN102661631B CN201210138310.0A CN201210138310A CN102661631B CN 102661631 B CN102661631 B CN 102661631B CN 201210138310 A CN201210138310 A CN 201210138310A CN 102661631 B CN102661631 B CN 102661631B
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- Prior art keywords
- housing
- control box
- gap
- tongue piece
- box according
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 12
- 238000009434 installation Methods 0.000 claims abstract description 32
- NOQGZXFMHARMLW-UHFFFAOYSA-N Daminozide Chemical group CN(C)NC(=O)CCC(O)=O NOQGZXFMHARMLW-UHFFFAOYSA-N 0.000 claims description 19
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000003068 static effect Effects 0.000 abstract description 8
- 230000005611 electricity Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Casings For Electric Apparatus (AREA)
- Connection Or Junction Boxes (AREA)
Abstract
The invention provides a control box for a water heater, which comprises a first shell and a second shell which are butted, wherein a control line of the control box is provided with an installation part, the edge of the second shell is provided with a notch, the installation part is installed in the notch, a tongue piece is formed on the first shell, the tongue piece extends into the notch and seals the notch together with the installation part, wing parts are respectively formed on two sides of the tongue piece of the first shell, and the wing parts are positioned on the inner side of the second shell. Because the wing part is arranged on the first shell, the gap can be prevented from being generated at the joint of the tongue piece and the opening through the wing part, and meanwhile, the creepage distance of static electricity along the surface of the first shell can be increased through the wing part, so that the static electricity is prevented from entering the control box from the joint of the tongue piece and the opening to damage electrical elements in the control box.
Description
Technical field
The present invention relates to a kind of control box for water heater.
Background technology
Control box is usually provided with water heater, control box generally comprises the first housing and the second housing, by this first
Housing and the second housing surround a cavity, in the cavity are provided with circuit board, be welded with the board display module,
The electric elements such as relay, binding post and touch key.As control box is typically disposed in the surface of water heater housing, i.e., which is led
Want it is exposed outside, easily control box surface of shell produce electrostatic.If this partial electrostatic can not be eliminated timely and reasonably,
The electric elements that the electrostatic will conduct to circuit board and damage on circuit board.
At present, the disclosure of Patent No. 02268844.7 discloses a kind of electric heater, and the electric heater is by electrostatic
Shield shell, waterproof cut-off, controller, bridge rectifier, inverter and isolating transformer and electric heater are constituted, and which passes through
The housing of water heater is arranged to electrostatic screen housing to prevent electrostatic.However, water heater is not disclosed in above-mentioned technical proposal
The solution of the electrostatic problem in control box.
The content of the invention
In view of this, present invention is primarily targeted at, there is provided a kind of electrical equipment that can be avoided in static damage control box
The control box for water heater of element.
To reach above-mentioned purpose, the present invention proposes a kind of control box for water heater, including the relative first shell for connecing
Body and the second housing, the control line of the control box have installation portion, are provided with gap, the peace at the edge of second housing
Dress portion is installed in the gap, on first housing is formed with tongue piece, and the tongue piece is stretched in the gap, with the peace
Close jointly the gap in dress portion, it is characterised in that alar part is respectively formed with the both sides of the tongue piece of first housing,
The alar part is located at the inner side of second housing.
In prior art, gap is formed with the gap joint in the tongue piece, cause electrostatic to conduct along the gap
The electric elements damaged in control box to the control box.And in the present invention, due to described in first housing
The both sides of tongue piece are respectively formed with alar part, and the alar part is located at the inner side of second housing, can be prevented by the alar part
The generation in the gap, meanwhile, by the alar part can also increase the electrostatic along first surface of shell climb electricity away from
From so as to avoid the electric elements in control box described in static damage.
Preferably, the alar part is symmetrically distributed in the both sides of the tongue piece, and extends to the both sides of the tongue piece, so as to
Enough electric elements more efficiently avoided on circuit board described in static damage.
Preferably, groove is circumferentially with along which on the installation portion, in the radial direction of the gap of second housing
It is formed with medial wall and contacts chimeric flange with the groove.
Preferably, on cross section, the groove and the flange chimeric length that contacts is at least 6mm.
Due on cross section, the groove and the flange chimeric length that contacts is at least 6mm, can increase institute
The installation portion length chimeric with the second shell body phase contact is stated, is conducive to increasing the electrostatic along the installation portion and described
Two housings contact the creep age distance of part, so as to avoid electrostatic from entering along installation portion place chimeric with the second shell body phase
Enter the electric elements damaged in the control box in the control box.
Preferably, guide part is formed with the end of the flange, the thickness of the guide part is less than the thickness of the flange
Degree, carrying out guiding to the insertion in the gap to the installation portion from the guide part makes the groove mutually embedding with the flange
Close.
Preferably, be connected at the top of the tongue piece on the installation portion, an inclined-plane is formed with the top of the tongue piece
Portion, the inclined plane part are contacted with the side surface of the installation portion.
Due to being provided with the inclined plane part so that the installation portion becomes relatively easy with being connected for the tongue piece, has
Dismantled or installed beneficial to the control line.
Preferably, in the edge side of first housing, the circumference along first housing is formed with first step portion；
In the edge side of second housing, the circumference along second housing is formed with second step portion；The first step portion
Mutually overlap with the second step portion, on cross section, the first step portion is contacted with the second step portion overlap joint
Length is at least 4mm.
Due on cross section, contacted with the second step portion length of overlap joint of the first step portion is at least
4mm, can increase the length that first housing contacts overlap joint with the second shell body phase, be conducive to increasing electrostatic along the shell
The creep age distance in body surface face, so as to avoid the electric elements in control box described in static damage.
Preferably, stud is formed with the inner surface of first housing, stud has screw, in second housing
On offer the installing hole aligned with the screw, one end of screw passes through the installing hole and is combined in the screw, edge
The circumference of the installing hole, cylindrical portion is formed with the inner surface of second housing, the stud stretches into the cylindrical portion
In, and the cylindrical portion length superimposed in the axial direction of cylindrical portion with the stud is at least 6mm.
As the cylindrical portion length superimposed in the axial direction of cylindrical portion with the stud is at least 6mm, Neng Gouzeng
Big first housing and the length of the second shell body phase contact portion, are conducive to increasing the electrostatic along the surface of shell
Creep age distance, damage described so as to avoid conducting to the control box at cooperation of the electrostatic along screw with the housing
Electric elements in control box.
Preferably, step end face is formed between the tongue piece and the alar part, the step end face and second housing
The sidewall contact of the gap.
Preferably, the 3rd stage portion is formed with the inside of second housing, the 3rd stage portion is respectively positioned at institute
The both sides of gap are stated, the alar part is placed in the 3rd stage portion.
Preferably, a cavity is formed between first housing and second housing, in the cavity be provided with electricity
Road plate, offers on the circuit board and is stepped down for the control line, the stud bolt hole and the installing hole
Resigning portion, the electric elements on the circuit board are arranged on the circuit board away from the resigning portion.
As the electric elements on the circuit board are arranged on the circuit board away from the resigning portion, it is prevented from
Electric elements on circuit board described in static damage.
Description of the drawings
Top views of the Fig. 1 for control box；
Oblique views of the Fig. 2 for the first housing of control box；
Oblique views of the Fig. 3 for the second housing of control box；
Fig. 4 be Fig. 1 in A-A to sectional view；
Fig. 5 is the enlarged drawing at C in Fig. 4；
Fig. 6 is the sectional view of B-B direction in Fig. 1；
Fig. 7 is the enlarged drawing at D in Fig. 6；
Fig. 8 is the enlarged drawing at E in Fig. 6；
Oblique views of the Fig. 9 for part shown in Fig. 6；
Oblique views of the Figure 10 for the circuit board of control box；
Figure 11 looks up oblique view for control box.
Specific embodiment
The specific embodiment of the control box for water heater of the present invention is carried out in detail with reference to Fig. 1 ~ Figure 11
Carefully illustrate.In described below, the inner surface（Inner side）Refer to towards the side inside the control box, the outer surface
（Outside）Refer to away from the side inside the control box.The creep age distance, i.e., along insulator surface（First housing or second
The surface of housing）Beeline between two conductive parts for measuring or between conductive parts and equipment protection interface.
As shown in Fig. 1 ~ Fig. 3, control box includes the first housing 1 and the second housing 2 for connecing relative with first housing 1, by
First housing 1 and the second housing 2 surround a cavity, in the cavity are provided with circuit board 3, are provided with the circuit board 3
Multiple electric elements.A gap 21 is provided with the edge of the second housing 2.A tongue piece 11, the tongue piece are formed with the first housing 1
11 both sides are connected with the both sides of the gap 21 on the second housing 2.As shown in Fig. 6 and Fig. 9, control line 4 has an installation portion 41,
It is in square tabular that the installation portion 41 is overall（As shown in figure 11）.Tongue piece 11 is stretched in gap 21, common with installation portion 41 to close
Gap 21, then one end of the control line 4 of control box electrically connect with circuit board 3, its other end pass through installation portion 41 and extend to control
The outside of box processed.
As shown in Fig. 6 and Fig. 9, on four side surfaces of installation portion 41, fluted 42 are opened up along its circumference, the groove 42
Opening direction it is perpendicular with the axial direction of control line 4.Flange is formed with the radially inner side wall of the gap 21 of the second housing 2
22, the flange 22 is mutually chimeric with the groove 42 on installation portion 41.Guide part 27 is formed with the end of flange 22, the guide part 27
Thickness less than flange 22 thickness, i.e., the guide part 27 be a step-like structure.In the installation process of control line 4, by this
Guide part 27 is oriented to the insertion in gap 21 to installation portion 41 so that flange 22 more easily with 42 phase of groove
It is chimeric.
An inclined plane part 12 is formed with the top of tongue piece 11, the inclined plane part 12 is connected with a side surface of installation portion 41
Touch.When installation portion 41 is installed on gap 21, flange 22 is embedded in groove 42, and inclined plane part 12 is connected to the side table of installation portion 41
On face, so as to control line 4 is installed in control box.As shown in figure 8, on cross section, flange 22 is connected with both grooves 42
It is 6mm to touch chimeric length, can increase installation portion 41 and the second housing 2 and contact chimeric length, be conducive to increase electrostatic
Contact the creep age distance on chimeric surface along installation portion 41 and the second housing 2, so as to avoid electrostatic along installation portion 41 and gap
21 joints enter the electric elements damaged on circuit board 3 in control box.Further, since being provided with inclined plane part 12 so that install
Portion 41 becomes relatively easy with being connected for tongue piece 11, is conducive to control line 4 is dismantled or installed.
As shown in Fig. 2 forming the alar part 5 with certain length, the alar part respectively in the both sides of the tongue piece 11 of the first housing 1
5 inner sides for being located at the second housing 2.Step end face 16 is formed between tongue piece 11 and alar part 5, in the first housing 1 and the second housing 2
Under mated condition, the sidewall contact of the gap 21 of the step end face 16 and the second housing 2.It is formed with the second housing 2
3rd stage portion 26, the 3rd stage portion 26 is respectively positioned at the both sides of gap 21.In the first housing 1 and the second housing 2 in right
Connect under state, alar part 5 is placed in the 3rd stage portion 26 so that alar part 5 is located at the inner side of the second housing 2, can avoid in tongue piece
11 and second housing 2 21 joint of gap produce gap.Simultaneously as being provided with alar part 5, the first housing 1 and can be increased
The length that two housings 2 connect, is conducive to increasing creep age distance of the electrostatic along surface of shell, it is to avoid electrostatic enters control along at gap
The electric elements damaged on circuit board 3 in box processed.
As shown in Figure 2 and Figure 4, four studs 15 are formed with the inner surface of the first housing 1, each stud 15 has one
Individual screw 14, offers four installing holes 24 on the second housing 2, and this four installing hole 24 is with this four screws 14 in pairs
Standard, one end of screw 6 are passed through installing hole 24 and be combined on screw 14 by the outsides of the second housing 2, by screw 6, installing hole
24 and the cooperation of screw 14 realize the connection of the first housing 1 and the second housing 2.As shown in figure 5, along the circumference of installing hole 24
Outside, forms the cylindrical portion 25 with certain altitude in the inner surface of the second housing 2.It is in the first housing 1 and the second housing 2
Under confined state, stud 15 is stretched in cylindrical portion 25, and cylindrical portion 25 is equitant in the axial direction of cylindrical portion 25 with stud 15
Length is 6mm, can increase creep age distance of the electrostatic along the surface of shell of control box, it is to avoid electrostatic is along screw 6 and second shell
Conduct the electric elements damaged on circuit board 3 to circuit board 3 in the place of screwing of body 1.
As shown in Figure 6 and Figure 7, the edge side in the first housing 1 is formed with first step portion along the circumference of the first housing 1
13, in the edge side of the second housing 2, the circumference along the second housing 2 is formed with second step portion 23, in control box in assembling
Under state, the first step portion 13 and second step portion 23 mutually overlap, and the length of both overlap joint that contacts is on cross section
4mm.As contact with second step portion 23 length of overlap joint of first step portion 13 is 4mm, the first housing 1 and the can be increased
Two housings 2 contact the length of overlap joint, are conducive to increasing creep age distance of the electrostatic along surface of shell, so as to avoid electrostatic along the
One housing 1 and 2 phase lap-joint of the second housing enter the electric elements damaged on circuit board 3 in control box.
In addition, as shown in Figure 10, resigning portion 31 is offered on circuit board 3, the resigning portion 31 is located at the end of circuit board 3
Portion, for being stepped down for control line 4.Electric elements on circuit board 3 are arranged on circuit board 3, energy away from resigning portion 31
Enough increase creep age distance, so as to prevent the electric elements on static damage circuit board 3.
Presently preferred embodiments of the present invention is the foregoing is only, it is not to limit the present invention, in a word, all in the present invention
Spirit and principle within, any modification, equivalent substitution and improvements made etc., should be included in protection scope of the present invention it
It is interior.
For example, in the above-described embodiments, first step portion 13 contact with second step portion 23 part length be 4mm,
The contact length of part of cylindrical portion 25 and screw 14 is that the length that 6mm, flange 22 are engaged part with both grooves 42 is
6mm, but this is not limited to, the length also may be greater than other numerical value of 4mm, 6mm, 6mm.
Again for example, as shown in figure 5, cylindrical portion 25 is formed on the second housing 2, open up on the stud 15 of the first housing 1
Screw 14, and cylindrical portion 25 is coated on the periphery of stud 15 just, but be not limited to this, the cylindrical portion 25 and stud 15
Set location can be exchanged, i.e., form cylindrical portion on the second housing 2 and the stud with screw is formed on the first housing 1.
Claims (10)
1. a kind of control box for water heater, including relative the first housing for connecing（1）With the second housing（2）, the control box
Control line（4）With installation portion（41）, in second housing（2）Edge be provided with gap（21）, the installation portion（41）
It is installed on the gap（21）In, in first housing（1）On be formed with tongue piece（11）, the tongue piece（11）Stretch into the gap
（21）In, with the installation portion（41）Close jointly the gap（21）, it is characterised in that in first housing（1）Institute
State tongue piece（11）Both sides be respectively formed with alar part（5）, the alar part（5）Positioned at second housing（2）Inner side.
2. control box according to claim 1, it is characterised in that in the installation portion（41）On be circumferentially with groove along which
（42）, in second housing（2）The gap（21）Radially inner side wall on be formed with and the groove（42）Contact embedding
The flange of conjunction（22）.
3. control box according to claim 2, it is characterised in that on cross section, the groove（42）With the flange
（22）The chimeric length that contacts is at least 6mm.
4. control box according to claim 2, it is characterised in that in the flange（22）End be formed with guide part
（27）, the guide part（27）Thickness be less than the flange（22）Thickness, by the guide part（27）To the installation portion
（41）To the gap（21）In insertion carry out guiding and make the groove（42）With the flange（22）Mutually it is fitted together to.
5. control box according to claim 1, it is characterised in that the tongue piece（11）Top be connected to the installation portion
（41）On, in the tongue piece（11）Top be formed with an inclined plane part（12）, the inclined plane part（12）With the installation portion（41）
Side surface contact.
6. control box according to claim 1, it is characterised in that in first housing（1）Edge side, along described
First housing（1）Circumference be formed with first step portion（13）；In second housing（2）Edge side, along described second
Housing（2）Circumference be formed with second step portion（23）；
The first step portion（13）With the second step portion（23）Mutually overlap, on cross section, the first step portion
（13）With the second step portion（23）The length of overlap joint of contacting is at least 4mm.
7. control box according to claim 1, it is characterised in that in first housing（1）Inner surface on be formed with
Stud（15）, stud（15）With screw（14）, in second housing（2）On offer and the screw（14）The peace for aligning
Dress hole（24）, screw（6）One end pass through the installing hole（24）And it is combined on the screw（14）It is interior,
Along the installing hole（24）Circumference, in second housing（2）Inner surface on be formed with cylindrical portion（25）, it is described
Stud（15）Stretch into the cylindrical portion（25）In, and the cylindrical portion（25）With the stud（15）In cylindrical portion（25）Axial direction on
Equitant length is at least 6mm.
8. control box according to claim 1, it is characterised in that the tongue piece（11）With the alar part（5）Between formed
Step end face（16）, the step end face（16）With second housing（2）The gap（21）Sidewall contact.
9. control box according to claim 1, it is characterised in that in second housing（2）Inner side be formed with the 3rd
Stage portion（26）, the 3rd stage portion（26）The gap is located at respectively（21）Both sides, the alar part（5）It is placed in described
Three stage portions（26）On.
10. control box according to claim 1, it is characterised in that in first housing（1）With second housing
（2）Between form a cavity, be provided with circuit board in the cavity（3）, in the circuit board（3）On offer for for described
Control line（4）The resigning portion stepped down（31）, the circuit board（3）On electric elements away from the resigning portion（31）And set
It is placed in the circuit board（3）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210138310.0A CN102661631B (en) | 2012-05-07 | 2012-05-07 | Control box for water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210138310.0A CN102661631B (en) | 2012-05-07 | 2012-05-07 | Control box for water heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102661631A CN102661631A (en) | 2012-09-12 |
| CN102661631B true CN102661631B (en) | 2017-05-10 |
Family
ID=46771167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210138310.0A Active CN102661631B (en) | 2012-05-07 | 2012-05-07 | Control box for water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102661631B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107068934A (en) * | 2017-05-04 | 2017-08-18 | 沃太能源南通有限公司 | A kind of bimodulus group high voltage energy storage battery system structure |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2564946Y (en) * | 2002-08-16 | 2003-08-06 | 庄聿翔 | Electric water heater driven by inverse isolation transformer |
| US7355846B1 (en) * | 2006-12-08 | 2008-04-08 | Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. | Mounting device for disk drive |
| CN201134995Y (en) * | 2007-12-27 | 2008-10-15 | 东风汽车公司 | Water-proof control box of central electric appliance |
| CN201393351Y (en) * | 2009-03-17 | 2010-01-27 | 苏州大方特种车辆有限公司 | Encapsulation of controller |
| JP2011097262A (en) * | 2009-10-28 | 2011-05-12 | Alps Electric Co Ltd | Remote control portable device |
| FR2941130B1 (en) * | 2009-01-15 | 2012-11-16 | Bernard Garbuio | ELECTRONIC PROTECTION DEVICE |
| CN202692435U (en) * | 2012-05-07 | 2013-01-23 | 青岛经济技术开发区海尔热水器有限公司 | Control box for water heater |
-
2012
- 2012-05-07 CN CN201210138310.0A patent/CN102661631B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2564946Y (en) * | 2002-08-16 | 2003-08-06 | 庄聿翔 | Electric water heater driven by inverse isolation transformer |
| US7355846B1 (en) * | 2006-12-08 | 2008-04-08 | Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. | Mounting device for disk drive |
| CN201134995Y (en) * | 2007-12-27 | 2008-10-15 | 东风汽车公司 | Water-proof control box of central electric appliance |
| FR2941130B1 (en) * | 2009-01-15 | 2012-11-16 | Bernard Garbuio | ELECTRONIC PROTECTION DEVICE |
| CN201393351Y (en) * | 2009-03-17 | 2010-01-27 | 苏州大方特种车辆有限公司 | Encapsulation of controller |
| JP2011097262A (en) * | 2009-10-28 | 2011-05-12 | Alps Electric Co Ltd | Remote control portable device |
| CN202692435U (en) * | 2012-05-07 | 2013-01-23 | 青岛经济技术开发区海尔热水器有限公司 | Control box for water heater |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102661631A (en) | 2012-09-12 |
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