CN206433204U - A kind of heat dissipation base and closed type PTC thermistor heater - Google Patents
A kind of heat dissipation base and closed type PTC thermistor heater Download PDFInfo
- Publication number
- CN206433204U CN206433204U CN201720016137.5U CN201720016137U CN206433204U CN 206433204 U CN206433204 U CN 206433204U CN 201720016137 U CN201720016137 U CN 201720016137U CN 206433204 U CN206433204 U CN 206433204U
- Authority
- CN
- China
- Prior art keywords
- accommodating cavity
- heat dissipation
- dissipation base
- roof
- ptc
- 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.)
- Active
Links
Abstract
The utility model discloses a kind of heat dissipation base and closed type PTC thermistor heater, wherein the heat-radiating substrate includes matrix and the accommodating cavity being formed in described matrix, some radiating fins are installed with outer surface at the top and bottom of described matrix respectively, the two ends of the accommodating cavity roof and bottom wall are provided with limiting section, the side wall of the accommodating cavity both sides is recessed to accommodating cavity inner side, the accommodating cavity both sides formed communicated with the accommodating cavity be used for compacting after to interior accommodating base material ear chamber, the distance of two limiting sections of roof and bottom wall is less than the thickness of the PTC heat generating components.Thus, limiting section of the present utility model have the advantages that not allow it is easily broken, it is more easily spacing, be easy to processing, service life is longer, it is to avoid crushing PTC thermistor.
Description
Technical field
The utility model is related to electric-heating technology field, more particularly to a kind of heat dissipation base and closed type PTC temperature-sensitive electricity
Hinder heater.
Background technology
Positive temperature coefficient (Positive Temperature Coefficient, abbreviation PTC) thermistor heater by
In its unique characteristic so that it has automatic constant-temperature, the flames of anger, service life length, by mains fluctuations is influenceed small, electric heating
The features such as conversion ratio is high, has been widely used in the electrical apparatus industries such as warm-air drier, dryer, water heater, air conditioner.
Existing ptc heater, its structure is as shown in figure 1, have the disadvantage that：The left side of described matrix in accommodating cavity
A positioning bar extended along the cavity length direction is respectively equipped with inwall and right side inwall, passes through the two positioning bars pair
PTC heater elements are positioned, and two positioning bars easily break, and just can not well be positioned after having broken, be made PTC heater elements not
Between two parties, and close to aluminum pipe two side, when in both sides, application pressure makes aluminum pipe compress deformation, PTC heater elements can be by rigid pressure
Power, causes PTC heater elements easily to crush, so as to cause quality hidden danger, the worry in terms of quality is brought to user.
The disclosure of background above technology contents is only used for auxiliary and understands design of the present utility model and technical scheme, and it is not
The prior art of present patent application is necessarily belonged to, the applying date of the above in present patent application is being shown without tangible proof
In the case of disclosed, above-mentioned background technology should not be taken to evaluate the novelty and creativeness of the application.
Utility model content
In order to make up the deficiencies in the prior art, the utility model proposes a kind of heat dissipation base and closed type PTC thermistor
Heater, being capable of long-term work, no electrical safety hidden danger.
Therefore, the utility model proposes a kind of heat dissipation base, including matrix and the accommodating cavity being formed in described matrix, institute
State and be installed with some radiating fins on the outer surface of baseline top and bottom respectively, the two ends of the accommodating cavity roof and bottom wall are set
Limited location portion, the side walls of the accommodating cavity both sides to being recessed on the inside of the accommodating cavity, formed in the accommodating cavity both sides with it is described
The distance of two limiting sections of the ear chamber for suppressing accommodating base material in backward that accommodating cavity is communicated, roof and bottom wall is less than
The thickness of the PTC heat generating components.
Preferably, heat dissipation base of the present utility model can also have following technical characteristic：
The limiting section is the step on the step being formed on the accommodating cavity roof and bottom wall, roof and bottom wall
The ear chamber is formed together with the side wall.
The limiting section is the positive stop lug boss on the roof and bottom wall for protrude from the accommodating cavity.
Positioning bar of the limiting section for inclination on the accommodating cavity roof and bottom wall.
Following condition is met between each form parameter when the radiating fin course of work does not blow water：d2≈d-d1- t, and
0 ＜ d2≤5mm；Wherein, d is step pitch, and t is fin thickness, d1To determine undulations parameter, d2For between adjacent fins most
Short distance.
The left side of described matrix and outer right wall be respectively along the accommodating cavity length direction extend to the accommodating cavity
V-groove, U-type groove or the W type grooves of sunken inside.
The heat dissipation base and the radiating fin are formed in one structure.
In addition, the utility model also proposed a kind of closed type PTC thermistor heater, including above-mentioned radiating base
Body, PTC heat generating components and moisture proof seal, the PTC heat generating components are located at the limit at the two ends of the accommodating cavity roof and bottom wall
Between the portion of position, and it is pressed between two parties in the accommodating cavity, the two ends of the accommodating cavity of the heat dissipation base are respectively equipped with one
The individual moisture proof seal.
Preferably, closed type PTC thermistor heater of the present utility model can also have following technical characteristic：
The PTC heat generating components include PTC thermistor, make the PTC temperature-sensitives electricity for being connected energization with external power source
Hinder and divide in two electrode terminals, metal electrode board and the insulating barrier of heating, the upper and lower surface of the PTC thermistor
Be not close to one piece of metal electrode board, two electrode terminals be located at the same side of the PTC thermistor and respectively with
Metal electrode board connection, the insulating barrier is coated on the periphery of the metal electrode board, and two electrode terminals are from institute
State in moisture proof seal and stretch out.
The moisture proof seal is that can effectively obstruct the waterproof insulation fluid sealant of water.
The beneficial effect that the utility model is compared with the prior art includes：The air-conditioning auxiliary heating that the utility model is provided is used
Chip formula ceramic PTC heater and heat dissipation base, in the utility model process, then PTC thermistor covered in advance
It is located at after being arranged in heat dissipation base, limiting section is provided with by the two ends for being arranged on accommodating cavity roof and bottom wall, with being not easy
Disconnected advantage, it is more easily spacing, it is easy to processing, service life is longer, it is to avoid crushing PTC thermistor.
Brief description of the drawings
Fig. 1 is the structural representation of ptc heater of the prior art.
Fig. 2 is the utility model embodiment one, two, three and four structural representations.
Fig. 3 is the structural representation of the utility model embodiment three.
Fig. 4 is the structural representation of the utility model embodiment two.
1- matrixes, 2- sides wall, 3- ear chambers, 4- accommodating cavities, 5-PTC heat generating components, 6- steps, 7- radiating fins, 8- is spacing
Boss, 9- electrode terminals, 10- waterproof insulation fluid sealants.
Embodiment
With reference to embodiment and compare accompanying drawing the utility model is described in further detail.It should be emphasized that
It is, what the description below was merely exemplary, rather than in order to limit scope of the present utility model and its application.
With reference to figure 1 below -4, the embodiment of non-limiting and nonexcludability, wherein identical reference table will be described
Show identical part, unless stated otherwise.
Embodiment one：
As shown in Fig. 2 the heat dissipation base includes matrix 1 and the accommodating cavity 4 being formed in described matrix 1, for accommodating PTC
Heat generating component 5, matrix 1 is to be installed with some radiating fins 7 respectively on cuboid, the outer surface of the top and bottom of described matrix 1,
The two ends of the roof of accommodating cavity 4 and bottom wall are provided with limiting section, and the side walls 2 of the both sides of accommodating cavity 4 is to the inner side of accommodating cavity 4
Depression, the both sides of accommodating cavity 4 formed communicated with the accommodating cavity 4 be used for suppress after to interior accommodating base material ear chamber 3, push up
The distance of two limiting sections of wall and bottom wall is less than the thickness of the PTC heat generating components 5, and limiting section is arranged on described accommodating
The two ends of the roof of chamber 4 and bottom wall, can avoid fracture, strengthen service life.
In the present embodiment, the limiting section is the step 6 being formed on the roof of accommodating cavity 4 and bottom wall, roof and bottom
The step 6 on wall forms the ear chamber 3 together with the side wall 2, and step 6 is wear-resistant, and service life is longer.
Following condition is met between each form parameter when the course of work of radiating fin 7 does not blow water：d2≈d-d1- t,
And 0 ＜ d2≤5mm；Wherein, d is step pitch, and t is fin thickness, d1To determine undulations parameter, d2For between adjacent fins
Beeline, can so prevent the course of work from blowing water.
The left side of described matrix 1 and outer right wall are respectively to be housed along what the length direction of accommodating cavity 4 extended to described
The V-groove of the sunken inside of chamber 4, can also be U-type groove or W type grooves certainly.
In this example, the surface of radiating fin 7 is waveform curved surface.Heat dissipation base is formed in one structure, and material is aluminium profiles
Material, particularly matrix 1, radiating fin 7 and positioning bar be integrally machined and formed by aluminium section bar, radiating fin 7 is by machining tool
Backing-off cutting is processed.
This example is conducive to the limit installation of PTC thermistor so that PTC thermistor is difficult dislocation, in the process press-fited
In, it is unlikely to that the PTC thermistor crushing misplaced in heat dissipation base will be encapsulated in.
Embodiment two：
As shown in Figure 2,4, the utility model also provides a kind of closed type PTC thermistor heater, including embodiment one
In heat dissipation base, PTC heat generating components 5 and moisture proof seal, PTC heat generating components 5 are located at the roof of accommodating cavity 4 and bottom wall
It is pressed between the limiting section at two ends and between two parties in accommodating cavity 4, can so prevents limiting section to be broken；Heat dissipation base it is accommodating
The two ends of chamber 4 are respectively equipped with a moisture proof seal；Wherein, PTC heat generating components 5 include PTC thermistor, are used for and external electrical
Source connection is powered and makes two electrode terminals 9, metal electrode board and the insulating barrier of PTC thermistor heating, PTC thermistor
It is close to one piece of metal electrode board in upper and lower surface respectively, metal electrode board provides operating voltage, two for PTC thermistor
Individual electrode terminal 9 is located at the same side of PTC thermistor, and one end of electrode terminal 9 passes through wire connecting power, the other end and gold
Belong to battery lead plate connection (by riveting or being welded and fixed), can so make metal electrode board obtain power supply offer voltage, and with
PTC thermistor built-up circuit loop together.Insulating barrier is coated on the periphery of metal electrode board, and two electrode terminals 9 are from waterproof
Stretched out in sealing, moisture proof seal is that can effectively obstruct the waterproof insulation fluid sealant 10 of water so that accommodating cavity 4 is sealed completely
Close.
Embodiment three：
As shown in figure 3, in the present embodiment, the main distinction is：The limiting section is the roof for protruding from the accommodating cavity 4
With the positive stop lug boss 8 on bottom wall.And boss can also be located at and be formed on the step 6 on the roof of accommodating cavity 4 and bottom wall.Limit
Position boss 8 is not allowed easily broken, and service life is longer.
Example IV：
With reference to shown in Fig. 2 or Fig. 3, in the present embodiment, the main distinction is：The limiting section houses to tilt located at described
Positioning bar (not shown) on the roof of chamber 4 and bottom wall.And positioning bar can also located at be formed at the roof of accommodating cavity 4 and
On step 6 on bottom wall.The positioning bar is not allowed easily broken, and service life is longer.
It would be recognized by those skilled in the art that it is possible that numerous accommodations are made to above description, so embodiment and attached
Figure is intended merely to describe one or more particular implementations.
It is counted as example embodiment of the present utility model although having been described above and describing, those skilled in the art will be bright
In vain, it can be variously modified and replaced, without departing from spirit of the present utility model.Repaiied furthermore it is possible to make many
Change so that particular case is fitted into religious doctrine of the present utility model, without departing from the utility model central concept described here.
So, the utility model is not only restricted to specific embodiment disclosed here, but the utility model may also include belonging to this practicality
All embodiments and its equivalent of new scope.
Claims (10)
1. a kind of heat dissipation base, for accommodating PTC heat generating components, it is characterised in that：Including matrix and being formed in described matrix
Accommodating cavity, be installed with some radiating fins on the outer surface at the top and bottom of described matrix respectively, the accommodating cavity roof and
The two ends of bottom wall are provided with limiting section, and the side wall of the accommodating cavity both sides is to depression on the inside of the accommodating cavity, in the accommodating cavity two
Two of the ear chamber for suppressing accommodating base material in backward that side formation is communicated with the accommodating cavity, roof and bottom wall are described spacing
The distance in portion is less than the thickness of the PTC heat generating components.
2. heat dissipation base as claimed in claim 1, it is characterised in that：The limiting section for be formed at the accommodating cavity roof and
The step on step on bottom wall, roof and bottom wall forms the ear chamber together with the side wall.
3. heat dissipation base as claimed in claim 1 or 2, it is characterised in that：The limiting section is to protrude from the accommodating cavity
Positive stop lug boss on roof and bottom wall.
4. heat dissipation base as claimed in claim 1 or 2, it is characterised in that：The limiting section is located at the accommodating cavity to tilt
Positioning bar on roof and bottom wall.
5. heat dissipation base as claimed in claim 1, it is characterised in that：The radiating fin course of work does not blow each shape during water
Following condition is met between shape parameter：d2≈d-d1- t, and 0 ＜ d2≤5mm；Wherein, d is step pitch, and t is fin thickness, d1For certainly
Determine undulations parameter, d2For the beeline between adjacent fins.
6. heat dissipation base as claimed in claim 1, it is characterised in that：The left side of described matrix and outer right wall are respectively along institute
State the extension of accommodating cavity length direction to the V-groove of the accommodating cavity sunken inside, U-type groove or W type grooves.
7. heat dissipation base as claimed in claim 1, it is characterised in that：The heat dissipation base is integrated into the radiating fin
Type structure.
8. a kind of closed type PTC thermistor heater, it is characterised in that including dissipating described in claim 1-7 any one
Hot basal body, PTC heat generating components and moisture proof seal, the PTC heat generating components are located at the two ends of the accommodating cavity roof and bottom wall
Limiting section between, and be pressed between two parties in the accommodating cavity, the two ends of the accommodating cavity of the heat dissipation base are set respectively
There is a moisture proof seal.
9. closed type PTC thermistor heater as claimed in claim 8, it is characterised in that：The PTC heat generating components include
PTC thermistor, for being connected two electrode terminals for making PTC thermistor heating that are powered, metal electricity with external power source
It is close to one piece of metal electrode board, two in pole plate and insulating barrier, the upper and lower surface of the PTC thermistor respectively
The individual electrode terminal is located at the same side of the PTC thermistor and is connected respectively with the metal electrode board, the insulation
Layer is coated on the periphery of the metal electrode board, and two electrode terminals stretch out from the moisture proof seal.
10. closed type PTC thermistor heater as claimed in claim 8 or 9, it is characterised in that：The moisture proof seal
Effectively to obstruct the waterproof insulation fluid sealant of water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720016137.5U CN206433204U (en) | 2017-01-06 | 2017-01-06 | A kind of heat dissipation base and closed type PTC thermistor heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720016137.5U CN206433204U (en) | 2017-01-06 | 2017-01-06 | A kind of heat dissipation base and closed type PTC thermistor heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206433204U true CN206433204U (en) | 2017-08-22 |
Family
ID=59584766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720016137.5U Active CN206433204U (en) | 2017-01-06 | 2017-01-06 | A kind of heat dissipation base and closed type PTC thermistor heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206433204U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108317497A (en) * | 2017-12-26 | 2018-07-24 | 宁波浩嘉电器有限公司 | A kind of Width funtion evaporator |
| CN112867184A (en) * | 2019-11-12 | 2021-05-28 | 埃贝赫卡腾有限两合公司 | PTC heating unit |
-
2017
- 2017-01-06 CN CN201720016137.5U patent/CN206433204U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108317497A (en) * | 2017-12-26 | 2018-07-24 | 宁波浩嘉电器有限公司 | A kind of Width funtion evaporator |
| CN112867184A (en) * | 2019-11-12 | 2021-05-28 | 埃贝赫卡腾有限两合公司 | PTC heating unit |
| CN112867184B (en) * | 2019-11-12 | 2023-06-16 | 埃贝赫卡腾有限两合公司 | PTC heating unit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI382572B (en) | Used in the heating structure of the battery and the device and cooling auxiliary module | |
| CN105025596B (en) | Heat dissipation base member and canned type PTC thermistor heater | |
| CN2917152Y (en) | Enclosed positive temperature coefficient thermistor heater | |
| CN206433204U (en) | A kind of heat dissipation base and closed type PTC thermistor heater | |
| CN201066936Y (en) | Heater | |
| CN103423871B (en) | A kind of housing of electric heater unit, electric heater unit and electric motor car | |
| CN209312751U (en) | A kind of power semiconductor assembly | |
| CN212227202U (en) | Heating plate connector | |
| CN206350178U (en) | A kind of heat dissipation base and closed type PTC thermistor heater | |
| CN206556229U (en) | A kind of new-energy automobile integrated form liquid heater | |
| CN201821522U (en) | Exothermic heating device with thermosensitive resistor | |
| CN204859578U (en) | Heat dissipation base member and canned type PTC thermistor heater | |
| CN202648155U (en) | Shell of electric heating device, electric heating device and electric vehicle | |
| CN102387620A (en) | Thermistor-heating-type heating device | |
| CN212242059U (en) | Double-wall corrugated pipe machine head cooling system | |
| CN110418445A (en) | A kind of PTC fever single tube and PTC heating core and ptc heater | |
| CN106813372A (en) | A kind of new-energy automobile integrated form liquid heater | |
| CN207853021U (en) | A kind of Wiring harness connector with heat sinking function | |
| CN205119801U (en) | Resistance furnace for work piece | |
| CN102387613A (en) | Thermistor heater | |
| CN206402473U (en) | A kind of energy-saving PTC heat generating cores | |
| CN220858425U (en) | Quick-heating energy-saving heating tile | |
| CN2472443Y (en) | Semiconductor heater | |
| CN214949230U (en) | Far infrared heating furnace | |
| CN204829639U (en) | LED car light |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210324 Address after: No.18, Wufengshan Road, Dagang, Zhenjiang New District, Zhenjiang City, Jiangsu Province Patentee after: ZHENJIANG DONGFANG ELECTRIC HEATING TECHNOLOGY Co.,Ltd. Address before: No.94, Guangtian Road, Songgang town, Bao'an District, Shenzhen, Guangdong 518000 Patentee before: Shenzhen Shanyuan Electronic Corp. |