CN104089639A - Sensor electric appliance box - Google Patents
Sensor electric appliance box Download PDFInfo
- Publication number
- CN104089639A CN104089639A CN201410290618.6A CN201410290618A CN104089639A CN 104089639 A CN104089639 A CN 104089639A CN 201410290618 A CN201410290618 A CN 201410290618A CN 104089639 A CN104089639 A CN 104089639A
- Authority
- CN
- China
- Prior art keywords
- sensor
- base
- top cover
- circuit board
- electrical equipment
- 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.)
- Granted
Links
- 238000003466 welding Methods 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 239000000758 substrate Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000005494 condensation Effects 0.000 abstract description 10
- 238000009833 condensation Methods 0.000 abstract description 10
- 238000001514 detection method Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000007689 inspection Methods 0.000 description 5
- 239000006200 vaporizer Substances 0.000 description 4
- 238000004078 waterproofing Methods 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
Landscapes
- Air Conditioning Control Device (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The invention discloses a sensor electric appliance box which is used for accommodating a sensor circuit board and comprises a base, a top cover and a sealing ring; the base is provided with a base support, and the sensor circuit board is fixed on the base through the base support and keeps a preset distance from the base; the top cover is provided with a vent hole; the sealing ring is matched with the shape of a sensor welded on the sensor circuit board, is tightly sleeved on the sensor and wraps the welding part between the sensor and the sensor circuit board; when the top cover is buckled with the base, the sealing ring is tightly attached to the periphery of the vent hole in the top cover. The sensor electrical box provided by the invention has good waterproof performance, is not easy to generate condensation, does not influence the detection accuracy of the sensor, and greatly prolongs the service life of the sensor and the operation safety performance of the whole machine.
Description
Technical field
The present invention relates to electric elements resist technology field, particularly relate to a kind of sensor electrical equipment box.
Background technology
Along with the development of air-conditioning technical, people are more and more higher in the requirement aspect the humidity control of indoor environment to domestic air conditioner, and sensor is more and more widely used in field of air conditioning.Traditional sensor electrical equipment box water resistance is poor, airborne moisture very easily enters electrical appliance kit inside, cause electrical appliance kit to press close to vaporizer side condensation occurs in the time of refrigeration, and the moisture and the condensation that enter electrical appliance kit inside further can cause corrosion to installation of sensors circuit board, affect the safe operation of inspection accuracy, serviceable life and the complete machine of sensor.
Summary of the invention
Based on this, be necessary defect and deficiency for prior art, the sensor electrical equipment box that a kind of water resistance is good, can effectively prevent installation of sensors circuit board generation condensation is provided.
A kind of sensor electrical equipment box providing for realizing the object of the invention, for holding sensor circuit board, comprises base, top cover and O-ring seal;
On described base, be provided with base support, described sensor circuit board is fixed on described base by described base support, and keeps predeterminable range with described base;
On described top cover, be provided with air hole;
Described O-ring seal, matches with the shape of the sensor welding on described sensor circuit board, is closely socketed on described sensor, and wraps the welding position between described sensor and described sensor circuit board; In the time of described top cover and described base fastening, the surrounding of described O-ring seal and described air hole fits tightly.
In an embodiment, described air hole is streamlined structure therein, and described air hole is less than the aperture area towards the one end in described top cover outside towards the aperture area of one end of described top cover inner side.
In an embodiment, the junction of described top cover and described base is provided with sealing strip therein.
Therein in an embodiment, described top cover and the corresponding mounting structure that is connected A/C evaporator side plate that is provided with also on described base.
In an embodiment, the inner side of described top cover is provided with stopper slot therein, and described stopper slot is positioned at the surrounding of described air hole, matches with the shape of described O-ring seal.
In an embodiment, the material of described O-ring seal is rubber or waterproof sponge therein.
In an embodiment, described base comprises substrate and is arranged on the waterproof shirt rim of described substrate peripheral therein;
Described waterproof is provided with bayonet socket on shirt rim, is provided with the buckle matching with described bayonet socket on described top cover.
In an embodiment, described base is square therein;
On described base, be provided with 3 described base supports, 3 described base supports lay respectively at 3 drift angle places of described base.
In an embodiment, one of them in 3 described base supports is connected with described sensor circuit board by screw therein, all the other 2 described base supports and the socket of described sensor circuit board or clamping.
In an embodiment, described mounting structure is the installing plate matching with described A/C evaporator side plate shape, on described installing plate, is provided with mounting hole therein.
Beneficial effect of the present invention: sensor electrical equipment box provided by the invention, by being set, O-ring seal and top cover and base closely fasten the installation chamber forming, realize the waterproofing protection to sensor circuit board.Concrete, when installation, O-ring seal is closely socketed on the sensor on sensor circuit board, to wrap the welding position between sensor and sensor circuit board, realize the non-sensitive surface of whole sensor is sealed.In the time of top cover and base fastening, the surrounding of the air hole on O-ring seal and top cover fits tightly, thereby the outside air that makes to enter from air hole can only arrive the non-parcel face (sensitive surface) toward the outer side of sensor, and cannot enter other regions of installation cavity chamber interior, in ensureing measuring accuracy, well the weld of sensor and sensor circuit board is protected, avoided extraneous water vapor to enter the reliability of installation cavity chamber interior destruction electrical equipment; Further, on base, design base support, make sensor circuit board and base keep predeterminable range, avoid sensor circuit board to contact with base, while utilizing the thermal resistance of air to prevent from freezing, sensor circuit board is pressed close to the vaporizer side of air conditioner and condensation is occurred, and threatens the security appliance of sensor circuit board.Sensor electrical equipment box provided by the invention, water resistance is good, is difficult for condensation occurs, and can not exert an influence to the inspection accuracy of sensor, has greatly promoted the operational safety performance of sensor serviceable life and complete machine.
Brief description of the drawings
In order to make object, technical scheme and the advantage of sensor electrical equipment box of the present invention clearer, below in conjunction with concrete drawings and the specific embodiments, sensor electrical equipment box of the present invention is further elaborated.
Fig. 1 is the structural representation of an embodiment of sensor electrical equipment box of the present invention;
Fig. 2 is the structural representation of an embodiment of base shown in Fig. 1;
Fig. 3 is the structural representation of an embodiment of top cover shown in Fig. 1;
Fig. 4 is a schematic diagram of sensor circuit board;
Fig. 5 is the structural representation of an embodiment of the O-ring seal of sensor electrical equipment box of the present invention;
Fig. 6 is a side view of top cover shown in Fig. 3;
Fig. 7 is the structural representation of an embodiment at the back side after sensor electrical equipment box encapsulation of the present invention.
Embodiment
Describe the present invention in detail below in conjunction with embodiment.It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the application can combine mutually.
Referring to Fig. 1 to Fig. 7, an embodiment of sensor electrical equipment box provided by the invention, comprise base 100, top cover 200 and O-ring seal 300 (referring to Fig. 5), top cover 200 closely fastens with base 100, forms a cable tray 400 (referring to Fig. 1 and Fig. 7) for holding the installation chamber of sensor circuit board 10 and being communicated with and extending to installation cavity outside with installation chamber.On base 100, be provided with base support 110, base support 110 is positioned at the inside (referring to Fig. 2) that chamber is installed.Sensor circuit board 10 (referring to Fig. 4), is fixed on base 100 by base support 110, and keeps predeterminable range with base 100.Wherein, base 100 can adopt with top cover 200 that buckle is connected, linear sealing.The installation chamber of the two formation is the space of a relative closure.On top cover 200, be provided with air hole 210, extraneous air can only be entered chamber (referring to Fig. 1 and Fig. 3) is installed by the air hole 210 arranging on top cover 200.Conventionally, sensor 11 positions on the sensor circuit board 10 that place with installation cavity chamber interior air hole 210 positions are corresponding, and outside air enters sensor 11 by air hole 210.The shape of chamber and the shape of the sensor circuit board 10 that its inside holds are installed to adapt.Base support 110 can be to have certain thickness viscose glue, buckle or support column etc., and its effect is mainly fixation of sensor circuit board 10, and makes itself and base 100 noncontacts.Base support 110 can be multiple according to its concrete structure, can be also 1.
Referring to Fig. 5, on O-ring seal 300 and sensor circuit board 10, the shape of the sensor 11 of welding matches, and can closely be socketed on sensor 11, and wrap the welding position between sensor 11 and sensor circuit board 10; In the time that top cover 100 and base 200 fasten, the surrounding of the air hole 210 on O-ring seal 300 and top cover 200 fits tightly.The material of O-ring seal 300 can be rubber or waterproof sponge, can directly be bonded on top cover 200.When installation, O-ring seal 300 is closely socketed on the sensor 11 of installation cavity chamber interior, to wrap the welding position between sensor 11 and sensor circuit board 10, realizes the non-sensitive surface of whole sensor 11 is sealed.In the time that top cover 200 and base 100 fasten, after O-ring seal 300 is squeezed with top cover 200 on the surrounding of air hole 210 fit tightly, thereby the outside air that makes to enter from air hole 210 can only arrive the non-parcel face (sensitive surface) toward the outer side of sensor 11, and cannot enter other regions of installation cavity chamber interior.
Traditional sensor electrical equipment box, does not have O-ring seal.So, between the sensor that installation cavity chamber interior is placed and top cover, can there is certain interval, in the time that outside air enters the sensor of installation cavity chamber interior placement from air hole, be easy to enter other regions of installation cavity chamber interior.Like this, the moisture carrying in air also just enters sensor circuit board, and the welding position between sensor and sensor circuit board is corroded, and when the testing accuracy of sensor is impacted, electrical safety is threatened.And, traditional sensor electrical equipment box inside, sensor circuit board directly contacts with base, once there be moisture to enter electrical appliance kit inside, when refrigeration electrical appliance kit press close to vaporizer side condensation just very easily occur, further increase the weight of the corrosion that installation of sensors circuit board is caused, affect the safe operation of inspection accuracy, serviceable life and the complete machine of sensor.
Sensor electrical equipment box provided by the invention, by O-ring seal 300 being set and closely being fastened the installation chamber forming by top cover 200 and base 100, realizes the waterproofing protection to sensor circuit board 10.By O-ring seal 300 is set, in ensureing measuring accuracy, well sensor 11 and the weld of sensor circuit board 10 are protected, avoid extraneous water vapor to enter the reliability of installation cavity chamber interior destruction electrical equipment; Further, on the base 100 of installation cavity chamber interior, design base support 110, make sensor circuit board 10 and base 100 keep predeterminable range, avoid sensor circuit board 10 to contact with base 100, while utilizing the thermal resistance of air to prevent from freezing, sensor circuit board 10 is pressed close to the vaporizer side of air conditioner and condensation is occurred, and threatens the security appliance of sensor circuit board 10.Sensor electrical equipment box provided by the invention, water resistance is good, is difficult for condensation, can not exert an influence to the inspection accuracy of sensor, and greatly promote the operational safety performance of sensor serviceable life and complete machine.
As a kind of embodiment, referring to Fig. 1 and Fig. 3, air hole 210 is streamlined structure, and air hole 210 is less than the aperture area towards the one end in top cover 200 outsides towards the aperture area of one end of top cover 200 inner sides.The shape of air hole 210 and evaporator shape match, and better to touch from evaporator air out, side opening is taking sensitive surface that can uniform fold sensor 11 as good in it.
As a kind of embodiment, top cover 200 is provided with sealing strip with the junction of base 100, to promote the sealing effectiveness of whole installation chamber.Further, in cable tray 400 and the junction that chamber is installed, adopt waterproof sponge parcel connecting line to seal, can promote the sealing effectiveness of whole electrical appliance kit.
As a kind of embodiment, referring to Fig. 1 to Fig. 3 and Fig. 6 to Fig. 7, top cover 200 and the corresponding mounting structure 500 that is connected A/C evaporator side plate that is provided with also on base 100, mounting structure 500 is positioned at the outside of installation chamber.Top cover 200 with the mounting structure 500 that is connected A/C evaporator side plate is set on base 100, do not need to change the mould of original air conditioner type, can realize Fast Installation.Mounting structure 500 is directly connected with A/C evaporator side plate, can be locating clip, snap close, with installing plate of mounting hole etc.
Referring to Fig. 3, as a kind of embodiment, the inner side of top cover 200 is provided with stopper slot 220, and stopper slot 220 is positioned at the surrounding of air hole 210, matches with the shape of O-ring seal 300.In the time that top cover 200 and base 100 fasten, O-ring seal 300 will be fixed in stopper slot 220, and structure is more firm.
Referring to Fig. 2 and Fig. 3, as a kind of embodiment, base 100 comprises substrate 120 and is arranged on the waterproof shirt rim 130 of substrate peripheral, on waterproof shirt rim 130, be provided with bayonet socket 131, on top cover 200, be provided with the buckle 230 matching with bayonet socket 131, when installation, base 100 and top cover 200 are by buckle 230 and bayonet socket 131 clampings.
Referring to Fig. 2, as a kind of embodiment, because common circuit board is square, so the base in the present invention is square, on base 100, be provided with 110,3 base supports 110 of 3 base supports and lay respectively at 3 drift angle places of base 100.Referring to Fig. 4,3 angles of respective sensor circuit board 10 respectively arrange a fixed orifice, one of them in 3 base supports 110 is connected with sensor circuit board 10 by screw, all the other 2 base supports 110 are socketed or clamping with sensor circuit board 10, can be by fixing sensor circuit board 10, simple in structure, fixed.
As a kind of embodiment, mounting structure 500 is the installing plate matching with A/C evaporator side plate shape, is provided with mounting hole on installing plate.Referring to Fig. 1 to Fig. 3, on top cover 200, be provided with 1 installing plate, on base 100, be provided with 2 installing plates.In 2 installing plates of the installing plate arranging on top cover 200 and setting on base 100 one of them is corresponding.When installation, can realize fixing between base support 110 and sensor circuit board 10, electrical appliance kit and A/C evaporator side plate by 3 screws.So just can not change panel construction and directly electrical appliance kit is contained on evaporator side plate, avoid reopening mould.
Sensor electrical equipment box provided by the invention; be not only applicable to humidity sensor; also be applicable to the waterproofing protection of other sensors such as temperature sensor; be convenient to install; do not need to reopen mould, water resistance is good, is difficult for condensation; can not exert an influence to the inspection accuracy of sensor, and greatly promote the operational safety performance of sensor serviceable life and complete machine.
Above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a sensor electrical equipment box, for holding sensor circuit board, is characterized in that, comprises base, top cover and O-ring seal;
On described base, be provided with base support, described sensor circuit board is fixed on described base by described base support, and keeps predeterminable range with described base;
On described top cover, be provided with air hole;
Described O-ring seal, matches with the shape of the sensor welding on described sensor circuit board, is closely socketed on described sensor, and wraps the welding position between described sensor and described sensor circuit board; In the time of described top cover and described base fastening, the surrounding of described O-ring seal and described air hole fits tightly.
2. sensor electrical equipment box according to claim 1, is characterized in that, described air hole is streamlined structure, and described air hole is less than the aperture area towards the one end in described top cover outside towards the aperture area of one end of described top cover inner side.
3. sensor electrical equipment box according to claim 1, is characterized in that, the junction of described top cover and described base is provided with sealing strip.
4. according to the sensor electrical equipment box described in claims 1 to 3 any one, it is characterized in that described top cover and the corresponding mounting structure that is connected A/C evaporator side plate that is provided with also on described base.
5. sensor electrical equipment box according to claim 4, is characterized in that, the inner side of described top cover is provided with stopper slot; Described stopper slot, is positioned at the surrounding of described air hole, matches with the shape of described O-ring seal.
6. sensor electrical equipment box according to claim 5, is characterized in that, the material of described O-ring seal is rubber or waterproof sponge.
7. sensor electrical equipment box according to claim 4, is characterized in that, described base comprises substrate and is arranged on the waterproof shirt rim of described substrate peripheral;
Described waterproof is provided with bayonet socket on shirt rim, is provided with the buckle matching with described bayonet socket on described top cover.
8. sensor electrical equipment box according to claim 4, is characterized in that, described base is square;
On described base, be provided with 3 described base supports, 3 described base supports lay respectively at 3 drift angle places of described base.
9. sensor electrical equipment box according to claim 8, is characterized in that, one of them in 3 described base supports is connected with described sensor circuit board by screw, all the other 2 described base supports and the socket of described sensor circuit board or clamping.
10. sensor electrical equipment box according to claim 9, is characterized in that, described mounting structure is the installing plate matching with described A/C evaporator side plate shape, on described installing plate, is provided with mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410290618.6A CN104089639B (en) | 2014-06-24 | 2014-06-24 | Sensor electric appliance box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410290618.6A CN104089639B (en) | 2014-06-24 | 2014-06-24 | Sensor electric appliance box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104089639A true CN104089639A (en) | 2014-10-08 |
| CN104089639B CN104089639B (en) | 2016-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410290618.6A Active CN104089639B (en) | 2014-06-24 | 2014-06-24 | Sensor electric appliance box |
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| CN (1) | CN104089639B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106061176A (en) * | 2016-07-13 | 2016-10-26 | 珠海格力电器股份有限公司 | Electric box assembly and air conditioner with same |
| CN106319866A (en) * | 2016-10-24 | 2017-01-11 | 珠海格力电器股份有限公司 | Washing machine and electric appliance box structure thereof |
| CN106729854A (en) * | 2016-11-28 | 2017-05-31 | 广东美的厨房电器制造有限公司 | Temperature and humidity sensing device assembly and disinfection cabinet |
| CN106949935A (en) * | 2017-04-19 | 2017-07-14 | 摩瑞尔电器（昆山）有限公司 | Environment detector |
| WO2018192062A1 (en) * | 2017-04-21 | 2018-10-25 | 佛山市川东磁电股份有限公司 | Temperature-humidity sensor |
| CN109137400A (en) * | 2017-06-15 | 2019-01-04 | 青岛海尔滚筒洗衣机有限公司 | Noise killer waterproof construction and washing machine |
| CN111256741A (en) * | 2018-12-03 | 2020-06-09 | 恩德莱斯和豪瑟尔分析仪表两合公司 | Process measurement technology sensor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106061176A (en) * | 2016-07-13 | 2016-10-26 | 珠海格力电器股份有限公司 | Electric box assembly and air conditioner with same |
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| CN106729854B (en) * | 2016-11-28 | 2019-08-09 | 广东美的厨房电器制造有限公司 | Temperature and humidity sensing device assembly and disinfection cabinet |
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| CN109137400A (en) * | 2017-06-15 | 2019-01-04 | 青岛海尔滚筒洗衣机有限公司 | Noise killer waterproof construction and washing machine |
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| CN111256741B (en) * | 2018-12-03 | 2022-05-03 | 恩德莱斯和豪瑟尔分析仪表两合公司 | Process measurement technology sensor |
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|---|---|
| CN104089639B (en) | 2016-08-31 |
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