CN204853983U - PTC heating element with earth leakage protection function - Google Patents
PTC heating element with earth leakage protection function Download PDFInfo
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- CN204853983U CN204853983U CN201520636835.6U CN201520636835U CN204853983U CN 204853983 U CN204853983 U CN 204853983U CN 201520636835 U CN201520636835 U CN 201520636835U CN 204853983 U CN204853983 U CN 204853983U
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Abstract
The utility model discloses a PTC heating element with earth leakage protection function, including the water cavity and with the heating is connected and is used for to the water cavity the PTC heater of water cavity, the water cavity is equipped with water inlet and delivery port, the PTC heater includes casing, PTC generate heat module and wire, be equipped with the holding hole in the casing, PTC generates heat the module and accepts in the middle of the holding hole, the wire generates heat with PTC, and the module is connected and outwardly directed casing, the PTC heater still includes earth conductor, earth conductor connects the surface at the casing. Earth conductor connects the surface at the casing, and when PTC generated heat the module electric leakage, earth conductor can prevent that the casing is electrified, forms the protection to the human body to make PTC heating element self have earth leakage protection's advantage.
Description
Technical field
The utility model relates to a kind of PTC heating component, particularly relates to a kind of PTC heating component with creepage protection function.
Background technology
PTC heater is widely used in the middle of the pond of family's amusement and recreation, for carrying out Fast Heating to the water in pond, therefore, requires very high in industry to the insulating properties of PTC heater.Existing PTC heater normally utilizes insulating paper to be encased by heating electrode sheet, be placed into again in housing, although effectively insulation effect can be played in most cases, but, once there is lame damage in insulating paper, electric current will be transmitted on housing and make housing charged, and then causes the charged initiation security incident of water body, and consequence is hardly imaginable.Therefore, there is serious potential safety hazard in existing PTC heater.
Utility model content
The utility model provides a kind of PTC heating component with creepage protection function, which overcomes the deficiency existing for background technology.The utility model solves the technical scheme that its technical problem adopts:
There is the PTC heating component of creepage protection function; comprise water cavity and be connected with described water cavity and ptc heater for heating described water cavity; described water cavity is provided with water inlet and delivery port; it is characterized in that: described ptc heater comprises housing, PTC generates heat module and wire; accommodating hole is provided with in described housing; described PTC heating module is housed in the middle of accommodating hole; described wire and the PTC module that generates heat is connected and protruding housing; described ptc heater also comprises earth lead, and described earth lead is connected to the outer surface of housing.
Among one preferred embodiment: described water cavity comprises the first chamber, the second chamber and is communicated with the connecting pipe of the first chamber and the second chamber, and described ptc heater is clamped between the first chamber and the second chamber.
Among one preferred embodiment: described first chamber and the second chamber fasten by heat-conducting plate and cover plate and formed, sealing ring is clamped with between heat-conducting plate and cover plate, two heat-conducting plates are fitted in the both sides of ptc heater respectively, and the front end of two heat-conducting plates is respectively arranged with the breach connected with described connecting pipe.
Among one preferred embodiment: described water inlet is arranged on the rear end of the cover plate of the first chamber, described delivery port is arranged on the rear end of the cover plate of the second chamber; Or described water inlet is arranged on the rear end of the cover plate of the first chamber, described delivery port is arranged on the front end of the cover plate of the first chamber, and described water cavity is also provided with the second water inlet, and described second water inlet is arranged on the rear end of the cover plate of the second chamber.
Among one preferred embodiment: described housing has front end face, rear end face and four sides, and described wire stretches out from the front end face of housing, and described earth lead and housing are connected to the side of position at housing.
Among one preferred embodiment: described earth lead and housing are connected to the junction of position near side and front end face or rear end face.
Among one preferred embodiment: described earth lead and housing are connected to the junction of position near side and rear end face, and described earth lead is exposed outside water cavity.
Among one preferred embodiment: described earth lead and housing are connected together by screwed lock.
Among one preferred embodiment: described accommodating hole runs through front end face and the rear end face of this housing, the generate heat front and back end of module of the inherent PTC of described accommodating hole is respectively equipped with the hermetically-sealed construction module that generated heat by PTC and is sealed in accommodating hole, be positioned at the installing space that the hermetically-sealed construction of described accommodating hole rear end and housing surround a side opening, screwed lock is connected on the sidewall of installing space.
Among one preferred embodiment: described earth lead and case weld or be riveted together.
Among one preferred embodiment: described hull outside wraps up at least one deck dielectric film.
The technical program is compared with background technology, and its tool has the following advantages:
1. earth lead described in is connected to the outer surface of housing, and when PTC generates heat module electric leakage, earth lead can prevent housing charged, forms protection, thus make PTC heating component self have earth leakage protective advantage to human body.
2. ptc heater described in is clamped between the first chamber and the second chamber, can improve the efficiency of heating surface.
3. water inlet described in is arranged on the rear end of the cover plate of the first chamber; Described delivery port is arranged on the rear end of the cover plate of the second chamber, can add the flow process of flood, improves the efficiency of heating surface.
4. earth lead described in and housing are connected to the side of position at housing, easy for installation, avoid interfering with electric wire.
5. earth lead described in and housing are connected to the junction of position near side and front end face or rear end face, prevent the PTC being damaged to enclosure interior to generate heat module.Particularly in the junction of side and rear end face, screw, when locking housing, can misplace and opens with the PTC module that generates heat, and prevents from damaging PTC and to generate heat module.
6. hull outside described in wraps up at least one deck dielectric film, can improve the sealing effectiveness between ptc heater and water cavity.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 depicts the schematic perspective view that the utility model has the PTC heating component embodiment one of creepage protection function.
Fig. 2 depicts the perspective exploded view of the PTC heating component shown in Fig. 1 with creepage protection function.
Fig. 3 depicts the schematic diagram of the ptc heater of the PTC heating component shown in Fig. 1 with creepage protection function.
Fig. 4 depicts the cross-sectional schematic of ptc heater shown in Fig. 3.
Fig. 5 depicts the perspective exploded view that the utility model has the PTC heating component embodiment two of creepage protection function.
Detailed description of the invention
Embodiment one:
Please refer to Fig. 1 to Fig. 4, a kind of PTC heating component with creepage protection function of the present utility model, comprise water cavity 10 and be connected with described water cavity 10 and ptc heater 20 for heating described water cavity 10; Described water cavity 10 is provided with water inlet 11 and delivery port 12; Described ptc heater 20 comprises housing 21, PTC generates heat module 22, wire 23 and earth lead 24, accommodating hole is provided with in described housing 21, described PTC heating module 22 is housed in the middle of accommodating hole, described wire 23 and the PTC module 22 that generates heat is connected and protruding housing 21, and described earth lead 24 is connected to the outer surface of housing 21.
Described water cavity 10 comprises the first chamber, the second chamber and is communicated with the connecting pipe 13 of the first chamber and the second chamber, and described ptc heater 20 is clamped between the first chamber and the second chamber.Described first chamber and the second chamber fasten by heat-conducting plate 14 and cover plate 15 and are formed, sealing ring 16 is clamped with between heat-conducting plate 14 and cover plate 15, two heat-conducting plates 14 are fitted in the both sides of ptc heater 20 respectively, and the front end of two heat-conducting plates 14 is respectively arranged with the breach 17 connected with described connecting pipe 13.Described water inlet 11 is arranged on the rear end of the cover plate 15 of the first chamber; Described delivery port 12 is arranged on the rear end of the cover plate 15 of the second chamber.
Described housing 21 has front end face, rear end face and four sides, described wire 23 stretches out from the front end face of housing 21, described earth lead 24 is connected to the side of position at housing 21 with housing 21, preferably, described earth lead 24 and housing 21 are connected to the junction of position near side and front end face or rear end face.In the middle of the present embodiment, described earth lead 24 and housing 21 are connected to position near the junction of side with rear end face, and described earth lead 24 passes through together with screw 25 interlocking with housing 21, and, the end of housing 21 is exposed at outside water cavity 10, makes earth lead 24 exposed outside water cavity 10.Understandably, described earth lead 24 also can weld with housing 21 or be riveted together.
PTC heating module 22 is prior art, and concrete structure does not describe.
Described accommodating hole runs through front end face and the rear end face of this housing 21.The generate heat front and back end of module 22 of the inherent PTC of described accommodating hole is respectively equipped with hermetically-sealed construction 26 module 22 that generated heat by PTC and is sealed in accommodating hole.Described hermetically-sealed construction 26 is double-deckers, comprises the silica gel plug of inner side and the silica gel in outside.The hermetically-sealed construction 26 being positioned at described accommodating hole rear end and housing 21 surround the installing space 30 of a side opening, and screw 25 interlocking is on the sidewall of installing space 30.
Please refer to Fig. 2, in order to improve the first chamber, sealed insulation performance between the second chamber and ptc heater 20, can at the outer wrap of housing 21 at least one deck dielectric film 28, dielectric film 28 can be the material of other insulating properties such as polyimide material or mica.The number of plies of dielectric film 28 also can be multilayer.
Embodiment two:
Please refer to Fig. 5, embodiment two is with the difference of embodiment one: described water cavity 10 is also provided with the second water inlet 18; Described water inlet 11 is arranged on the rear end of the cover plate 15 of the first chamber; Described delivery port 12 is arranged on the front end of the cover plate 15 of the first chamber; Described water cavity is also provided with the second water inlet 18, and described second water inlet 18 is arranged on the rear end of the cover plate 15 of the second chamber.
The above, be only the utility model preferred embodiment, therefore the scope that the utility model implements can not be limited according to this, the equivalence namely done according to the utility model the scope of the claims and description change with modify, all should still belong in scope that the utility model contains.
Claims (10)
1. there is the PTC heating component of creepage protection function; comprise water cavity and be connected with described water cavity and ptc heater for heating described water cavity; described water cavity is provided with water inlet and delivery port; it is characterized in that: described ptc heater comprises housing, PTC generates heat module and wire; accommodating hole is provided with in described housing; described PTC heating module is housed in the middle of accommodating hole; described wire and the PTC module that generates heat is connected and protruding housing; described ptc heater also comprises earth lead, and described earth lead is connected to the outer surface of housing.
2. the PTC heating component with creepage protection function according to claim 1; it is characterized in that: described water cavity comprises the first chamber, the second chamber and is communicated with the connecting pipe of the first chamber and the second chamber, and described ptc heater is clamped between the first chamber and the second chamber.
3. the PTC heating component with creepage protection function according to claim 2; it is characterized in that: described first chamber and the second chamber fasten by heat-conducting plate and cover plate and formed; sealing ring is clamped with between heat-conducting plate and cover plate; two heat-conducting plates are fitted in the both sides of ptc heater respectively, and the front end of two heat-conducting plates is respectively arranged with the breach connected with described connecting pipe.
4. the PTC heating component with creepage protection function according to claim 3, it is characterized in that: described water inlet is arranged on the rear end of the cover plate of the first chamber, described delivery port is arranged on the rear end of the cover plate of the second chamber; Or
Described water inlet is arranged on the rear end of the cover plate of the first chamber, and described delivery port is arranged on the front end of the cover plate of the first chamber; Described water cavity is also provided with the second water inlet, and described second water inlet is arranged on the rear end of the cover plate of the second chamber.
5. the PTC heating component with creepage protection function according to any one of claim 1 to 4; it is characterized in that: described housing has front end face, rear end face and four sides; described wire stretches out from the front end face of housing, and described earth lead and housing are connected to the side of position at housing.
6. the PTC heating component with creepage protection function according to claim 5, is characterized in that: described earth lead and housing are connected to the junction of position near side and front end face or rear end face.
7. the PTC heating component with creepage protection function according to claim 6, is characterized in that: described earth lead and housing are connected to the junction of position near side and rear end face, and described earth lead is exposed outside water cavity.
8. the PTC heating component with creepage protection function according to claim 7, is characterized in that: described earth lead and housing are connected together by screwed lock.
9. the PTC heating component with creepage protection function according to claim 8; it is characterized in that: described accommodating hole runs through front end face and the rear end face of this housing; the generate heat front and back end of module of the inherent PTC of described accommodating hole is respectively equipped with the hermetically-sealed construction module that generated heat by PTC and is sealed in accommodating hole; be positioned at the installing space that the hermetically-sealed construction of described accommodating hole rear end and housing surround a side opening, screwed lock is connected on the sidewall of installing space.
10. the PTC heating component with creepage protection function according to claim 5, is characterized in that: described hull outside wraps up at least one deck dielectric film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520636835.6U CN204853983U (en) | 2015-08-21 | 2015-08-21 | PTC heating element with earth leakage protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520636835.6U CN204853983U (en) | 2015-08-21 | 2015-08-21 | PTC heating element with earth leakage protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204853983U true CN204853983U (en) | 2015-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520636835.6U Active CN204853983U (en) | 2015-08-21 | 2015-08-21 | PTC heating element with earth leakage protection function |
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| Country | Link |
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| CN (1) | CN204853983U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108601106A (en) * | 2018-06-14 | 2018-09-28 | 北京枫山科技有限公司 | a kind of heater |
| CN109210766A (en) * | 2017-06-30 | 2019-01-15 | 杭州三花研究院有限公司 | electric heater |
| CN109210767A (en) * | 2017-06-30 | 2019-01-15 | 杭州三花研究院有限公司 | electric heater |
| US11712945B2 (en) | 2017-06-30 | 2023-08-01 | Hangzhou Sanhua Research Institute Co., Ltd. | Electric heater |
-
2015
- 2015-08-21 CN CN201520636835.6U patent/CN204853983U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109210766A (en) * | 2017-06-30 | 2019-01-15 | 杭州三花研究院有限公司 | electric heater |
| CN109210767A (en) * | 2017-06-30 | 2019-01-15 | 杭州三花研究院有限公司 | electric heater |
| CN109210766B (en) * | 2017-06-30 | 2020-05-19 | 杭州三花研究院有限公司 | Electric heater |
| CN109210767B (en) * | 2017-06-30 | 2021-01-12 | 杭州三花研究院有限公司 | Electric heater |
| US11712945B2 (en) | 2017-06-30 | 2023-08-01 | Hangzhou Sanhua Research Institute Co., Ltd. | Electric heater |
| CN108601106A (en) * | 2018-06-14 | 2018-09-28 | 北京枫山科技有限公司 | a kind of heater |
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