CN205029886U - Controller on electric blanket - Google Patents
Controller on electric blanket Download PDFInfo
- Publication number
- CN205029886U CN205029886U CN201520600473.5U CN201520600473U CN205029886U CN 205029886 U CN205029886 U CN 205029886U CN 201520600473 U CN201520600473 U CN 201520600473U CN 205029886 U CN205029886 U CN 205029886U
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- CN
- China
- Prior art keywords
- gear
- controller
- main body
- electric blanket
- conductive layer
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- 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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- Control Of Resistance Heating (AREA)
Abstract
The utility model relates to a domestic appliance control field especially relates to a controller on electric blanket. Controller on electric blanket is including the casing to and set up the circuit board in the casing, and the electric wire that is connected of and gate board, the casing comprises lower casing and last casing accordant connection, and the circuit board location is installed at the inferior valve internally, is equipped with the switch conducting layer on the circuit board to and rather than being in a plurality of gear conducting layers on the same straight line, the hole of lou turning to powder has been seted up on the circuit board between two adjacent gear conducting layers. Be provided with the hole of lou turning to powder on the circuit board between the gear conducting layer on this controller to the electrically conductive dust intercommunication gear conducting layer of separation prevents that the short circuit phenomenon from taking place, and the security is better.
Description
Technical field
The utility model relates to field of household appliance control, particularly relates to the controller on a kind of electric blanket.
Background technology
Electric blanket is mainly used in improving when people sleep temperature in quilt to reach the object of heating, and it carries out Artificial Control by controller.At present, the controller for electric-heated blanket on market has the thermoregulator function of many gears, and the switches conductive layer on wiring board connects different gear conductive layers by gear plectrum, and operator is by switch slip gear plectrum; But, between adjacent gear positions conductive layer on existing controller wiring board, creepage distance is too short, and all likely the conducting powder dust lane that gear conductive layer scrapes is entered in creepage region at gear plectrum in sliding process each time, after gear plectrum uses for several times, enough conduction dust are piled up in creepage region, easily there is short circuit phenomenon between gear conductive layer, there is accident potential.
Summary of the invention
In order to solve the problem, the purpose of this utility model is to provide the controller on a kind of electric blanket, and the wiring board between the gear conductive layer on this controller is provided with powder leakage hole, thus intercepts conduction dust connection gear conductive layer, prevent short circuit phenomenon from occurring, fail safe is better.
In order to realize above-mentioned object, the utility model have employed following technical scheme:
Controller on electric blanket, comprises housing, and is arranged on the wiring board in housing, and the electric wire be connected with wiring board; Described housing is connected and composed by lower house and upper shell coupling, wiring board location and installation is in lower house, wiring board is provided with switches conductive layer, and is in the multiple gear conductive layers on same straight line with it, and the wiring board between two adjacent gear conductive layers offers powder leakage hole.
As preferably, the lateral separation between described powder leakage hole both ends is not less than the width of gear conductive layer.Because switches conductive layer and gear conductive layer are on same straight line, gear plectrum is namely along this linear slide; Lateral separation between powder leakage hole both ends is not less than the width of gear conductive layer, can ensure in gear plectrum sliding trace, and powder leakage hole can intercept conduction dust completely and connect two gear conductive layers.
As preferably, described powder leakage hole is obliquely installed.
As preferably, the creepage distance between the gear conductive layer that described switches conductive layer is close with it, is greater than the creepage distance between adjacent two gear conductive layers; Because the creepage distance between switches conductive layer and gear conductive layer is longer, and gear plectrum cannot slide and runs through this creepage region, therefore without the need to arranging powder leakage hole between switches conductive layer and gear conductive layer.
As preferably, described upper shell is provided with three grades of gearshifts of control circuit board, and three grades of gearshifts comprise main body, and are fixed on the switch in main body, and for the gear plectrum of connecting valve conductive layer and gear conductive layer; Upper shell offers the switch orbit hole for limiting switching toggle direction, and be arranged on the gear wall of switch orbit hole both sides, gear wall is at least provided with four screens grooves; The spacing slip of described switch is at switch orbit hole, and the both sides of main body are provided with snap arm, are provided with compression stroke between snap arm and main body, and clamping is mated with screens groove in the free end end of snap arm.During use, operator can artificial pull switch, the spacing slip of switch also drives main body to slide in switch orbit hole simultaneously, screens groove shiding matching clamping on the snap arm end of main body both sides and gear wall, in adjustment process, the sidewall of screens groove reacts on snap arm, makes snap arm to deformation in compression stroke; After adjustment completes, the free end end of snap arm is positioned in screens groove.
As preferably, the inner side of described upper shell is also provided with stopper slot, and stopper slot and switch orbit hole be arranged in parallel, and main body is slidably arranged in stopper slot; Can be limited the glide direction of main body by stopper slot, when can prevent switch from driving main body to slide, main body departs from glide direction under the resistance of gear wall.
As preferably, described main body upper surface is provided with three grades of gears marks successively along switch orbit hole direction, upper shell offers the identification hole for observing three grades of gears marks; Gear mark is specially 1 grade, 2 grades and 3 grades, and when switch drives main body slip to carry out gear adjustment, operator understands the gear residing for this controller by gear mark.
As preferably, described upper shell upper surface is provided with three grades of gear contacts successively along switch orbit hole direction, and the gear number of contacts of every one-level is corresponding with the exponent number of this gear; As when gear exponent number is 1, the number of contacts corresponding to this gear is 1, and when gear regulates, operator also understands the gear residing for this controller by eye observation or hand touch gear contact, and applicable use at night or eyesight have the operator of obstacle.
As preferably, the both ends limiting card of gear plectrum is connected in main body, is also provided with adjustment stage clip between gear plectrum and main body; When main body slip gear regulates, gear plectrum is finely tuned by regulating stage clip.
The utility model adopts technique scheme, wiring board between the gear conductive layer of this controller for electric-heated blanket is provided with powder leakage hole, when the conduction dust that gear plectrum scrapes is brought into creepage region, can be spilt by powder leakage hole, can not pile up in creepage region and cause that two gear conductive layers communicate, short circuit, ensure that the fail safe that controller for electric-heated blanket uses for a long time.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of lower house.
Fig. 3 is the structural representation of upper shell.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in further detail.
Controller on electric blanket as shown in Fig. 1 ~ Fig. 3, comprises housing, and is arranged on the wiring board 2 in housing, and the electric wire 3 be connected with wiring board 2.Described housing is connected and composed by lower house 11 and upper shell 12 coupling, wiring board 2 location and installation is in lower house 11, wiring board 2 is provided with switches conductive layer 21, and the multiple gear conductive layers 22 be in it on same straight line, the wiring board 2 between two adjacent gear conductive layers 22 offers powder leakage hole 23.Described powder leakage hole 23 is obliquely installed, and the lateral separation between powder leakage hole 23 both ends is not less than the width of gear conductive layer 22; Because switches conductive layer and gear conductive layer 22 are on same straight line, gear plectrum is namely along this linear slide; Lateral separation between powder leakage hole 23 both ends is not less than the width of gear conductive layer 22, can ensure in gear plectrum sliding trace, and powder leakage hole 23 can intercept conduction dust completely and connect two gear conductive layers 22.In addition, due to the creepage distance between the gear conductive layer 22 that switches conductive layer 21 is close with it, the creepage distance between adjacent two gear conductive layers 22 is greater than; Namely the creepage distance between switches conductive layer 21 and gear conductive layer 22 is longer, and gear plectrum cannot slide and runs through this creepage region, therefore without the need to arranging powder leakage hole between switches conductive layer 21 and gear conductive layer 22.
Described upper shell 12 is provided with three grades of gearshifts of control circuit board 2, and three grades of gearshifts comprise main body 51, and fixing switch 52 on the body 51, and for the gear plectrum 53 of connecting valve conductive layer 21 and gear conductive layer 22; The both ends limiting card of gear plectrum 53 connects on the body 51, is also provided with and regulates stage clip 54 between gear plectrum 53 and main body 51; When main body 51 slides gear adjustment, gear plectrum 53 is finely tuned by regulating stage clip 54.Described upper shell 12 offers the switch orbit hole 13 stirring direction for limiting switch 52, and be arranged on the gear wall 14 of switch orbit hole 13 both sides, gear wall 14 is at least provided with four screens grooves 15; The spacing slip of described switch 52 is at switch orbit hole 13, and the both sides of main body 51 are provided with snap arm 55, are provided with compression stroke 56 between snap arm 55 and main body 51, and clamping is mated with screens groove 15 in the free end end of snap arm 55.During use, operator can artificial pull switch 52, the spacing slip of switch 52 also drives main body 51 to slide in switch orbit hole 13 simultaneously, screens groove 15 shiding matching clamping on snap arm 55 end of main body 51 both sides and gear wall 14, in adjustment process, the sidewall of screens groove 15 reacts on snap arm 55, makes snap arm 55 to deformation in compression stroke 56; After adjustment completes, the free end end of snap arm 55 is positioned in screens groove 15.The inner side of described upper shell 12 is also provided with stopper slot 16, and stopper slot 16 and switch orbit hole 13 be arranged in parallel, and main body 51 is slidably arranged in stopper slot 16; Can be limited the glide direction of main body 51 by stopper slot 16, when can prevent switch 52 from driving main body 51 to slide, main body 51 departs from glide direction under the resistance of gear wall 14.
In addition, know that in order to make operator the gear of this controller for electric-heated blanket is arranged, and can adopt following two kinds of modes simultaneously or select wherein a kind of mode.First kind of way is: main body 51 upper surface is provided with three grades of gear marks successively along switch orbit hole 13 direction, upper shell 12 offers the identification hole 17 for observing three grades of gear marks; Gear mark is specially 1 grade, 2 grades and 3 grades, and when switch 52 drives main body 51 slip to carry out gear adjustment, operator understands the gear residing for this controller by gear mark.The second way is: upper shell 12 upper surface is provided with three grades of gear contacts 18 successively along switch orbit hole 13 direction, and the gear number of contacts of every one-level is corresponding with the exponent number of this gear; As when gear exponent number is 1, the number of contacts corresponding to this gear is 1, and when gear regulates, operator also understands the gear residing for this controller by eye observation or hand touch gear contact, and applicable use at night or eyesight have the operator of obstacle.
In sum, wiring board 2 between the gear conductive layer 22 of this controller for electric-heated blanket is provided with powder leakage hole 23, when the conduction dust that gear plectrum 53 scrapes is brought into creepage region, can be spilt by powder leakage hole 23, can not pile up in creepage region and cause that two gear conductive layers 22 communicate, short circuit, ensure that the fail safe that controller for electric-heated blanket uses for a long time.
Claims (9)
1. the controller on electric blanket, comprises housing, and is arranged on the wiring board in housing, and the electric wire be connected with wiring board; It is characterized in that: described housing is connected and composed by lower house and upper shell coupling, wiring board location and installation is in lower house, wiring board is provided with switches conductive layer, and the multiple gear conductive layers be in it on same straight line, the wiring board between two adjacent gear conductive layers offers powder leakage hole.
2. the controller on electric blanket according to claim 1, is characterized in that: the lateral separation between described powder leakage hole both ends is not less than the width of gear conductive layer.
3. the controller on electric blanket according to claim 2, is characterized in that: described powder leakage hole is obliquely installed.
4. the controller on electric blanket according to claim 3, is characterized in that: the creepage distance between the gear conductive layer that described switches conductive layer is close with it, is greater than the creepage distance between adjacent two gear conductive layers.
5. the controller on the electric blanket according to claim 1 or 3, it is characterized in that: described upper shell is provided with three grades of gearshifts of control circuit board, three grades of gearshifts comprise main body, and the switch be fixed in main body, and for the gear plectrum of connecting valve conductive layer and gear conductive layer; Upper shell offers the switch orbit hole for limiting switching toggle direction, and be arranged on the gear wall of switch orbit hole both sides, gear wall is at least provided with four screens grooves; The spacing slip of described switch is at switch orbit hole, and the both sides of main body are provided with snap arm, are provided with compression stroke between snap arm and main body, and clamping is mated with screens groove in the free end end of snap arm.
6. the controller on electric blanket according to claim 5, is characterized in that: the inner side of described upper shell is also provided with stopper slot, and stopper slot and switch orbit hole be arranged in parallel, and main body is slidably arranged in stopper slot.
7. the controller on electric blanket according to claim 5, is characterized in that: described main body upper surface is provided with three grades of gear marks successively along switch orbit hole direction, upper shell offers the identification hole for observing three grades of gear marks.
8. the controller on the electric blanket according to claim 6 or 7, is characterized in that: described upper shell upper surface is provided with three grades of gear contacts successively along switch orbit hole direction, and the gear number of contacts of every one-level is corresponding with the exponent number of this gear.
9. the controller on electric blanket according to claim 8, is characterized in that: the both ends limiting card of gear plectrum is connected in main body, is also provided with adjustment stage clip between gear plectrum and main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520600473.5U CN205029886U (en) | 2015-08-11 | 2015-08-11 | Controller on electric blanket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520600473.5U CN205029886U (en) | 2015-08-11 | 2015-08-11 | Controller on electric blanket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205029886U true CN205029886U (en) | 2016-02-10 |
Family
ID=55262385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520600473.5U Expired - Fee Related CN205029886U (en) | 2015-08-11 | 2015-08-11 | Controller on electric blanket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205029886U (en) |
-
2015
- 2015-08-11 CN CN201520600473.5U patent/CN205029886U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160210 Termination date: 20200811 |