CN203661317U - Heating device and electric water heater with same - Google Patents
Heating device and electric water heater with same Download PDFInfo
- Publication number
- CN203661317U CN203661317U CN201320761199.0U CN201320761199U CN203661317U CN 203661317 U CN203661317 U CN 203661317U CN 201320761199 U CN201320761199 U CN 201320761199U CN 203661317 U CN203661317 U CN 203661317U
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- ptc heating
- heater
- heating frame
- insulating layer
- plate
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Abstract
The utility model relates to the heating field, especially relates to a heating device for an electric water heater, and aims to improve the production qualification rate of the PTC heating device and to reduce the failure rate of the PTC heating device. According to the heating device and the electric water heater with the same provided by the utility model, the heating device includes a PTC heating frame, a central heat conducting plate, an offset heat conducting plate, a heat conducting insulating layer, a heat conducting shell, an insulating base and an insulating end cover; the PTC heating frame consists of two oppositely-arranged PTC heating plates and two oppositely-arranged insulating plates; two central heat conducting plates in the PTC heating frame are separated from each other and are closely attached to the PTC heating plate; the offset heat conducting plate is arranged outside the PTC heating frame and is closely attached to the PTC heating plate; the heat conducting insulating layer sleeves a combined structure which is formed by the PTC heating frame and the central heat conducting plate and the offset heat conducting plate; the heat conducting shell is sheathed on the heat insulating layer; and the insulating base and the insulating end cover are respectively buckled with one end of the heat conducting insulating layer. The heating device is high in production qualification rate, and the use of the heating device is not affected by the failure of one PTC heating plate.
Description
Technical field
The utility model relates to heating field, relates in particular to the heater that electric heater is used.
Background technology
Together with PTC heating plate in existing PTC heater need pass through high-temperature electric conduction glue bond with heat-conducting plate.While producing this PTC heater, need be by high-temperature electric conduction adhesive curing, and when high-temperature electric conduction adhesive curing, metallic is wherein oxidizable, cause the power supply circuits electric current of the PTC heating plate in this PTC heater not quietly, even cannot conducting, PTC heater is defective, and then causes production qualification rate low.
In addition, existing PTC heater adopts single PTC heating plate to heat, once this PTC heating plate breaks down, will cause PTC heater to break down, and then causes using the electric heater of this PTC heater to use.
As fully visible, existing PTC heater production qualification rate is low, and easy break-down in use.
Utility model content
For improving the production qualification rate of PTC heater, and reduce the failure rate of PTC heater, the utility model proposes a kind of heater, this heater comprises PTC heating frame, central guiding hot plate, biasing heat-conducting plate, heat conductive insulating layer, heat conduction shell, insulator foot and insulated end cover; Described PTC heating frame is made up of two PTC heating plates that are oppositely arranged and two insulation boards that are oppositely arranged; Two described central guiding hot plates that are positioned at described PTC heating frame are separated from each other and fit tightly with described PTC heating plate; Described biasing heat-conducting plate is positioned at outside described PTC heating frame, and fits tightly with described PTC heating plate; Described heat conductive insulating layer is set in the combining structure being formed by described PTC heating frame, described central guiding hot plate and described biasing heat-conducting plate, described heat conduction shell is set on described heat conductive insulating layer, described insulator foot is fastened on one end of described heat conductive insulating layer, and described insulated end cover is fastened on the other end of described heat conductive insulating layer.Between PTC heating plate in such heater and central guiding hot plate and biasing heat-conducting plate, all by laminating turning circuit, lower to production environment and technical merit requirement, production qualification rate is high; In addition, in this heater, have two PTC heating plates in parallel at least, in use, also can not cause this heater to affect use because producing heat even if one of them PTC heating plate breaks down.
Preferably, on described insulation board, be provided with insulative spacers, this insulative spacers is positioned on the inwall of described PTC heating frame, and insulative spacers on described two insulation boards is oppositely arranged.Like this, insulative spacers can be kept apart two central guiding hot plates that are positioned at PTC heating frame, to avoid these two central guiding hot plate contacts, PTC heating plate conducting in parallel in PTC heating frame is integrated.Further, described insulative spacers is arranged on the middle part of described insulation board.Like this, can make two central guiding hot plates that are positioned at PTC heating frame be symmetrical set, and then make the electric current in two PTC heating plates in PTC heating frame consistent, heat production equilibrium.
Preferably, on described insulator foot and described insulated end cover, be respectively arranged with the mounting groove that holds described PTC heating frame.Like this, the end of PTC heating frame is contained in the mounting groove on insulator foot and insulated end cover, can avoid PTC heating frame to rock in heat conductive insulating layer, strengthens the stability of heater.Further, the end of described PTC heating frame is for being " protruding " character form structure latch.Like this, in the time of this heater of assembling, be convenient to utilize latch control PTC heating frame to be inserted into the degree of depth in mounting groove.
Preferably, described heat conductive insulating layer is round outside but spuare inside tubular structure; Described heat conduction shell is tubular structure, and one end of this tubular structure sealing, the other end opening of this tubular structure.Like this, in the time using this heater to heat such as water conducting liquid, one end of this heater heat conduction shell sealing is placed in to water, to avoid water to enter this heater inside, this heater is caused to damage, even because electric leakage is caused danger.
Preferably, described insulated end cover comprises retainer ring and circular cover, described circular cover is placed in described retainer ring and is fixed in described retainer ring by clip, and in described circular cover, is provided with the electrode slice that is communicated with central guiding hot plate and the electrode slice that is communicated with biasing heat-conducting plate.Like this, insulated end cover links together by retainer ring and heat conduction shell, and can remove separately circular cover in the time that heater is overhauled, convenient maintenance.Further, described clip is connected with described retainer ring by riveting axle, and described clip can be around described riveting axle rotation, so that the installation and removal of circular cover.
The utility model heater is lower to production environment and technical merit requirement, be easy to manufacture, and production qualification rate is high; In this heater, there are at least two PTC heating plates in parallel, are difficult for affecting use because PTC heating plate breaks down.In PTC heating frame in this heater, be provided with insulative spacers, so that two central guiding hot plates that are arranged in PTC heating frame are kept apart, and then avoid two PTC heating plates in parallel in PTC heating frame to pass through the conducting of central guiding hot plate.On insulator foot and insulated end cover, be provided with the mounting groove of the end that holds PTC heating frame, to avoid PTC heating frame to rock, strengthen the stability of heater in heat conductive insulating layer.
The utility model also proposes a kind of electric heater, and this electric heater is equipped with above-mentioned heater.Such electric heater can not break down and cannot use because of a PTC heating plate in heater.
Brief description of the drawings
Fig. 1 is the cutaway view of the utility model heater;
Fig. 2 is the section A-A profile of the heater shown in Fig. 1;
Fig. 3 is the perspective view of the PTC heating frame in the utility model heater;
Fig. 4 is the vertical view of the PTC heating frame shown in Fig. 3;
Fig. 5 is the vertical view of the insulator foot in the utility model heater;
Fig. 6 is the vertical view of the insulated end cover of the utility model heater.
Embodiment
As illustrated in fig. 1 and 2, the utility model heater comprises PTC heating frame 1, central guiding hot plate 2a and 2b, biasing heat-conducting plate 3a and 3b, heat conductive insulating layer 4, heat conduction shell 5, insulator foot 6 and insulated end cover 7.Wherein, PTC heating frame 1 is by two PTC heating plate 11a, 11b that are oppositely arranged and two rectangle frames that the insulation board being oppositely arranged 12 forms.PTC heating frame 1, two central guiding hot plate 2a, 2b and two biasing heat-conducting plate 3a, 3b form combining structure, two central guiding hot plate 2a and 2b are positioned at PTC heating frame 1 and are separated from each other, wherein, together with central guiding hot plate 2a fits tightly with PTC heating plate 11a, together with central guiding hot plate 2b fits tightly with PTC heating plate 11b; Two biasing heat-conducting plate 3a, 3b are positioned at outside PTC heating frame 1, wherein, and together with biasing heat-conducting plate 3a fits tightly with PTC heating plate 11a, together with biasing heat-conducting plate 3b fits tightly with PTC heating plate 11b.Heat conductive insulating layer 4 is set in the combining structure being formed by PTC heating frame 1, central guiding hot plate 2a and 2b, biasing heat-conducting plate 3a and 3b, and closely cooperates with this combining structure; Heat conduction shell 5 is set on heat conductive insulating layer 4, and insulator foot 6 is fastened on one end of heat conductive insulating layer 4, and insulated end cover 7 is fastened on the other end of heat conductive insulating layer 4.Like this, the combining structure being formed by PTC heating frame 1, central guiding hot plate 2a and 2b, biasing heat-conducting plate 3a and 3b is sealed in the cavity being formed by heat conductive insulating layer 4, insulator foot 6 and insulated end cover 7, to avoid this heater to cause danger because of electric leakage in when work.Preferably, heat conductive insulating layer 4 is round outside but spuare inside tubular structure.Like this, in the time making this heater, be convenient to PTC heating frame 1, central guiding hot plate 2a and 2b, biasing heat-conducting plate 3a and 3b to insert in the body chamber of heat conductive insulating layer 4, and can avoid the combining structure being formed by PTC heating frame 1, central guiding hot plate 2a and 2b, biasing heat-conducting plate 3a and 3b to rotate in heat conductive insulating layer 4.Preferably, heat conduction shell 5 is tubular structure, and one end of this tubular structure sealing, the other end opening of this tubular structure.Like this, this heater has at least one end to seal, in the time using this heater to heat liquid, one end of this heater heat conduction shell sealing can be placed in to liquid, can avoid liquid to enter this heater inside, this heater is caused to damage, even leak electricity.
As shown in Fig. 2,3 and 4, on the insulation board 12 in PTC heating frame 1, be provided with insulative spacers 121, this insulative spacers 121 is positioned on the inwall of insulation board 12, and two to be positioned at insulative spacers 121 positions on two insulation boards 12 that are oppositely arranged relative.Like this, insulative spacers 121 can be kept apart two the central guiding hot plate 2a and the 2b that are positioned at PTC heating frame 1, can avoid these two central guiding hot plate 2a and 2b to contact because of distortion, and then avoid two PTC heating plate 11a and 11b in PTC heating frame 1 to be integrated by central guiding hot plate 2a and 2b conducting.Preferably, insulative spacers 121 is positioned at the middle part of insulation board 12.Like this, two the central guiding hot plate 2a and the 2b that are positioned at PTC heating frame 1 are symmetrical set, and can make two PTC heating plate 11a in PTC heating frame 1 consistent with the electric current in 11b, heat production equilibrium.Preferably, the end of PTC heating frame 1 is for being the latch of " protruding " character form structure.Like this, in the time that PTC heating frame 1 is installed, the end of being convenient to control this PTC heating frame 1 is embedded into the degree of depth on insulator foot 6 and insulated end cover 7.
As shown in Fig. 1 and 5, insulator foot 6 comprises the circular base plate 61 of bottom and the rectangular top platform 62 on top, and the internal diameter that the diameter of circular base plate 61 equals heat conduction shell 5 is the external diameter of heat conductive insulating layer 4, rectangular top platform 62 is inserted in heat conductive insulating layer 4 body chamber and with the inwall of this heat conductive insulating layer 4 and fits tightly.Preferably, on rectangular top platform 62, be provided with the mounting groove 621 of the end that holds PTC heating frame.Like this, PTC heating frame 1 inserts in mounting groove 621 towards one end of insulator foot 6, can avoid PTC heating frame 1 to rock in heat conductive insulating layer 4, strengthens the stability of PTC heating frame 1 in heat conductive insulating layer 4, and then strengthens the stability of heater.
As shown in figs. 1 and 6, insulated end cover 7 comprises retainer ring 71 and circular cover 72, wherein, the internal diameter of retainer ring 71 and circular cover 72 equal diameters, on retainer ring 71, be provided with the clip parallel with this retainer ring 71 711, this clip 711 is connected by riveting axle 712 with retainer ring 71, and clip 711 can be around riveting axle 712 rotation with in surface at these clip 711 places.Like this, circular cover 72 is placed in retainer ring 71 interior after, rotatable clip 711, is pressed in circular cover 72 clip 711, and then circular cover 72 is fixed in retainer ring 71.In circular cover 72, be provided with the electrode slice 721 that is communicated with central guiding hot plate and the electrode slice 722 that is communicated with biasing heat-conducting plate.In use, the output of power supply circuits can make two PTC heating plate 11 parallel connections in PTC heating frame 1 with the electrode slice 722 that is communicated with biasing heat-conducting plate by the electrode slice 721 that is communicated with central guiding hot plate.Like this, in the time that a PTC heating plate in PTC heating frame breaks down, can not impact another PTC heating plate, can not affect the use of heater, more can not affect the use of the water heater that this heater is installed.Preferably, in circular cover 72, be provided with and hold the mounting groove (not shown) of PTC heating frame 1 towards one end of this circular cover 72.Like this, can further strengthen the stability of PTC heating frame 1 in heat conductive insulating layer 4 inside, and then strengthen the stability of heater.
Claims (9)
1. a heater, is characterized in that, this heater comprises PTC heating frame, central guiding hot plate, biasing heat-conducting plate, heat conductive insulating layer, heat conduction shell, insulator foot and insulated end cover; Described PTC heating frame is made up of two PTC heating plates that are oppositely arranged and two insulation boards that are oppositely arranged; Two described central guiding hot plates that are positioned at described PTC heating frame are separated from each other and fit tightly with described PTC heating plate; Described biasing heat-conducting plate is positioned at outside described PTC heating frame, and fits tightly with described PTC heating plate; Described heat conductive insulating layer is set in the combining structure being formed by described PTC heating frame, described central guiding hot plate and described biasing heat-conducting plate, described heat conduction shell is set on described heat conductive insulating layer, described insulator foot is fastened on one end of described heat conductive insulating layer, and described insulated end cover is fastened on the other end of described heat conductive insulating layer.
2. heater according to claim 1, is characterized in that, on described insulation board, is provided with insulative spacers, and this insulative spacers is positioned on the inwall of described PTC heating frame, and insulative spacers on described two insulation boards is oppositely arranged.
3. heater according to claim 2, is characterized in that, described insulative spacers is arranged on the middle part of described insulation board.
4. according to the heater described in any one in claim 1-3, it is characterized in that, on described insulator foot and described insulated end cover, be respectively arranged with the mounting groove that holds described PTC heating frame.
5. heater according to claim 4, is characterized in that, the end of described PTC heating frame is for being " protruding " character form structure latch.
6. according to the heater described in any one in claim 1-3, it is characterized in that, described heat conductive insulating layer is round outside but spuare inside tubular structure; Described heat conduction shell is tubular structure, and one end of this tubular structure sealing, the other end opening of this tubular structure.
7. according to the heater described in any one in claim 1-3, it is characterized in that, described insulated end cover comprises retainer ring and circular cover, described circular cover is placed in described retainer ring and is fixed in described retainer ring by clip, and in described circular cover, is provided with the electrode slice that is communicated with central guiding hot plate and the electrode slice that is communicated with biasing heat-conducting plate.
8. heater according to claim 7, is characterized in that, described clip is connected with described retainer ring by riveting axle, and described clip can rotate around described riveting axle.
9. an electric heater, is characterized in that, this electric heater is equipped with the heater described in any one in claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320761199.0U CN203661317U (en) | 2013-11-26 | 2013-11-26 | Heating device and electric water heater with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320761199.0U CN203661317U (en) | 2013-11-26 | 2013-11-26 | Heating device and electric water heater with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203661317U true CN203661317U (en) | 2014-06-18 |
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ID=50927661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320761199.0U Expired - Fee Related CN203661317U (en) | 2013-11-26 | 2013-11-26 | Heating device and electric water heater with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203661317U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105934000A (en) * | 2016-06-24 | 2016-09-07 | 无锡市豫达换热器有限公司 | Novel PTC heating heat exchanger |
| CN108198674A (en) * | 2018-03-12 | 2018-06-22 | 安徽晶格尔电子有限公司 | A kind of thermistor |
| CN108417329A (en) * | 2018-03-12 | 2018-08-17 | 安徽晶格尔电子有限公司 | A kind of high temperature resistant waterproof casing device of thermal resistor |
| CN108447633A (en) * | 2018-03-12 | 2018-08-24 | 安徽晶格尔电子有限公司 | A kind of high temperature resistant waterproof thermal resistor device |
-
2013
- 2013-11-26 CN CN201320761199.0U patent/CN203661317U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105934000A (en) * | 2016-06-24 | 2016-09-07 | 无锡市豫达换热器有限公司 | Novel PTC heating heat exchanger |
| CN108198674A (en) * | 2018-03-12 | 2018-06-22 | 安徽晶格尔电子有限公司 | A kind of thermistor |
| CN108417329A (en) * | 2018-03-12 | 2018-08-17 | 安徽晶格尔电子有限公司 | A kind of high temperature resistant waterproof casing device of thermal resistor |
| CN108447633A (en) * | 2018-03-12 | 2018-08-24 | 安徽晶格尔电子有限公司 | A kind of high temperature resistant waterproof thermal resistor device |
| CN108417329B (en) * | 2018-03-12 | 2020-06-26 | 安徽晶格尔电子有限公司 | High-temperature-resistant waterproof shell device of thermistor |
| CN108447633B (en) * | 2018-03-12 | 2020-06-26 | 安徽晶格尔电子有限公司 | High-temperature-resistant waterproof thermistor device |
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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: 20140618 Termination date: 20171126 |