CN207262708U - A kind of plate heating unit - Google Patents
A kind of plate heating unit Download PDFInfo
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- CN207262708U CN207262708U CN201720914594.6U CN201720914594U CN207262708U CN 207262708 U CN207262708 U CN 207262708U CN 201720914594 U CN201720914594 U CN 201720914594U CN 207262708 U CN207262708 U CN 207262708U
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Abstract
The utility model belongs to liquid heating technology field, a kind of plate heating unit is disclosed, it is characterized in that, including shell and heating layer, the shell has opening, and the heating layer is flat structure, and the heating layer carries out shell aperture closing connection and forms the heating chamber that can accommodate liquid communication, there is the heating passage that heating chamber is separated into multiple circulations of detour for liquid by more block baffles in the heating chamber, there is inlet and liquid outlet on the shell.The heating passage of detour circulation combines the design of plate heating layer so that liquid contacts abundant, time of contact length with heating layer, and heating effect is good, while ensure that the overall homogeneous heating of liquid；The resistant heat generating layer fever that heating layer is made of resistance slurry, it is environmentally protective；Heat passage can infinite expanding, power density is big；Resistant heat generating layer response is rapid, can directly generate heat, very fast heating；Swept area of the resistant heat generating layer on heat-conducting substrate is big, and electric heating conversion efficiency is high.
Description
Technical field
It the utility model is related to liquid heating technology field, and in particular, to a kind of plate heating unit.
Background technology
Liquid nonstorage calorifier is equipped with pipe type water channel heater by traditional electricity consumption mostly, its structure be in copper pipe or
The outside installation heating element of aluminum pipe, most commonly used is electrothermal tube, resistance wire（Piece）Or PTC ceramics heating block, pass through electric heating
Element heats metal tube, and the liquid in heater can not realize the uniformity of heating, i.e. contact of the liquid with heating element not
Uniformly, while liquid in flow process, is not grown, being unable to reach fluid temperature expires in heater with the time of contact of heating element
The effect that sufficient demand temperature or fluid temperature are evenly distributed, and the easy exhaustion of PTC ceramics heating block power, short life, at the same it is existing
Liquid fast heat apparatus it is complicated, have a great influence to user's body and mind with material not environmentally.
The content of the invention
A kind of the defects of technical problem that the utility model solves is to overcome the prior art, there is provided simple in structure, heating
Uniformly, the plate heating unit of power adjustable, temperature-controllable.
The purpose of this utility model is achieved through the following technical solutions：
A kind of plate heating unit, including shell and heating layer, the shell have opening, and the heating layer is tablet
Type structure, the heating layer carry out shell aperture closing connection and form the heating chamber that can accommodate liquid communication, the heating
There is the heating passage that heating chamber is separated into multiple detour circulations S-type for liquid by more block baffles, the shell in chamber
It is upper that there is inlet and liquid outlet.
Further, the heating layer is thick film hybrid heating layer, it includes heat-conducting substrate, is covered in heat-conducting substrate
On insulating medium layer, the resistant heat generating layer on insulating medium layer, the pad conductor being series in resistant heat generating layer, it is described
Resistant heat generating layer is to be made to form resistance loop of resistance slurry.
Further, to ensure the fever of the plate heating unit and heat-transfer effect, while plate add is ensured
The overall portability of thermal, the print thickness of the resistant heat generating layer is controlled in 12~18um.
Further, the insulating medium layer is made of dielectric paste, and the pad conductor is adhered to by conductor paste
On resistance heating layer.
Further, the insulating medium layer, resistant heat generating layer and pad conductor are sintered by silk-screen printing and layering
Technique is made.
Further, to make the heat condition of resistant heat generating layer obtain effective monitoring, further include and be series at resistant heat generating layer
In temperature control element.
Further, to make resistant heat generating layer effectively be safeguarded, the protection for being covered in resistance heating layer surface is further included
Layer, the protective layer are to be made using dielectric paste by silk-screen printing and layering sintering process.
Consequently, it is possible to which printed circuit tabular is integrally formed in the heating layer, the present invention at the same time carries out each function layer thickness
Control, the print thickness for being specially the insulating medium layer are 20-30 μm；12~18um of print thickness of the conductor paste；
The print thickness of the protective layer is 20-30 μm, and at this time, total thickness only 0.1mm or so of whole heating layer, has reached ultimate attainment frivolous
Effect.
Further, temperature sensor is also equipped with the liquid outlet to be monitored liquid outlet fluid temperature.
The utility model provides a kind of new-energy automobile, including heating system at the same time, and the heating system is equipped with as above institute
The plate heating unit stated.
Compared with prior art, the utility model has the advantages that：
The heating passage of 1.S types detour circulation combines the design of plate heating layer so that when liquid is contacted with heating layer
Between it is long, heating effect is good, while ensure that the overall homogeneous heating of liquid；
It is 2. connected in series or in parallel, it can be achieved that power adjustable, the temperature of plate heating unit by selecting pad conductor
Controllable function is spent, adds the alternative of temperature；
3. the heating passage can infinite expanding, power density is big；
4. heating layer uses thick film hybrid heating layer, i.e., the resistant heat generating layer made of resistance slurry generates heat, green
Colour circle is protected, and the harmful element such as not leaded cadmium, will not cause human body potential injury；
5. resistant heat generating layer response is rapid, can directly generate heat, very fast heating；
6. insulating medium layer, resistant heat generating layer and pad conductor are made of silk-screen printing and sintering process, can be effective
Be attached on heat-conducting substrate, by control each layer print thickness, it can be achieved that thick film hybrid heating layer it is ultimate attainment frivolous；
7. between resistant heat generating layer and liquid only between be separated with insulating medium layer and heat-conducting substrate, without other thermal resistance devices, together
When resistant heat generating layer be slurry coating, the swept area on heat-conducting substrate is big, it is ensured that resistant heat generating layer heat promptly passes
Liquid is passed, its electric heating conversion efficiency is up to more than 98%.
Brief description of the drawings
Fig. 1 is the top view of the plate heater；
Fig. 2 is the vertical view cutaway drawing of the plate heater；
Fig. 3 is the left view sectional view of the plate heater；
Fig. 4 is the concrete structure schematic diagram of the thick film hybrid heating layer.
Embodiment
The utility model is further described with reference to embodiment, wherein, being given for example only property of attached drawing
Illustrate, expression is only schematic diagram, rather than pictorial diagram, it is impossible to is interpreted as the limitation to this patent；In order to which this reality is better described
With new embodiment, some components of attached drawing have omission, zoom in or out, and do not represent the size of actual product；To ability
For field technique personnel, some known features and its explanation may be omitted and will be understood by attached drawing.
Embodiment 1
As shown in figures 1-4, a kind of plate heating unit, including shell 2 and heating layer 1, shell 2 have opening, heating
Layer 1 is flat structure, and heating layer 1, which is open shell 2 close connecting, forms the heating chamber that can accommodate liquid communication, adds
There is the heating passage 3 that heating chamber is separated into multiple circulations of detour for liquid by more block baffles 4 in hot chamber, have on shell 2
There are inlet 21 and liquid outlet 22.
The setting of baffle 4 causes liquid to be flowed successively along each heating passage, ensure that filling for liquid and heating layer 1
Tap is touched, and is made liquid homogeneous heating in heating passage, is improved the efficiency of heating surface.
For the global reliability of enhancing heating passage, baffle 4 is set to integrated formed structure with shell 2.
Heating layer 1 is thick film hybrid heating layer, including heat-conducting substrate 11, the insulation that is covered on heat-conducting substrate 11 are situated between
Matter layer 12, the resistant heat generating layer 13 on insulating medium layer 12, the pad conductor 14 being series in resistant heat generating layer 13, resistance
Heating layer 13 is to be made to form resistance loop of resistance slurry.
By being connected to each 14 making choice property of pad conductor, i.e., mode or parallel connection are connected in series to the selection of each pad conductor
Connection mode is, it can be achieved that power adjustable, the function of temperature-controllable of thick film hybrid heating layer, so as to increase plate heating
The temperature selectivity of device.
Wherein resistant heat generating layer 13 is uniformly distributed on insulating medium layer 12, and specifically resistance slurry is according to patent application
In the adjustable thick-film circuit resistor paste of sintering temperature of the file 201410009200.3 based on metal substrate and its preparation process
Record make.
Insulating medium layer 12 is made of dielectric paste, and pad conductor 14 is attached to resistance heating layer 13 by conductor paste
On.
Insulating medium layer 12, resistant heat generating layer 13 and pad conductor 14 by silk-screen printing with layering sintering process make and
Into.
Specifically, on heat-conducting substrate 11, insulating medium layer 12 is first coated, the silk-screen printing mesh number of insulating medium layer is 90
~125 mesh, print thickness are 20~30um, are dried 10 minutes at a temperature of 200-300 DEG C after being completed for printing, then with 800
~900 DEG C of high temperature sintering 30 minutes, the operation of its printing-sintering need to repeat 2~4 times.
After the shaping of insulating medium layer 12, then in its surface printing resistant heat generating layer, the silk-screen printing mesh of resistant heat generating layer
Number is 200-250 mesh, and print thickness is 12~18um, dries 10 minutes after being completed for printing at a temperature of 200-300 DEG C, then
With 800-900 DEG C of high temperature sintering 30 minutes, need whether measurement printed wire resistance value meets the requirements after the completion of sintering, if any inclined
It is poor then need to be adjusted printing parameter etc., it is preferable that the print thickness of resistant heat generating layer is 15um.
Silk-screen printing mesh number of the conductor paste on resistant heat generating layer is 200-250 mesh, and print thickness 15um, prints
10 minutes are dried at a temperature of 200-300 DEG C after, then with 800-900 DEG C of high temperature sintering 30 minutes.
Insulating medium layer 12, resistant heat generating layer 13 and conductor paste are both needed to survey using sonigauge after the completion of sintering
Measure it and print whether film forming thickness meets the requirements.
Shell 2 is laid with some threaded holes at edge of opening, is set on the heat-conducting substrate 11 of thick film hybrid heating layer
There is the through hole being adapted to these threaded holes, shell 2 is connected integral with thick film hybrid heating layer by bolt 23.
Meanwhile to make the heat condition of resistant heat generating layer 13 obtain effective monitoring, thick film hybrid heating layer further includes
The temperature control element 15 being series in resistant heat generating layer 13.
To make resistant heat generating layer 13 effectively be safeguarded, protective layer 16, protective layer are also covered with resistance heating layer surface
16 are also made of dielectric paste by silk-screen printing and layering sintering process, its print thickness is 20~30um, is completed for printing
Dry 10 minutes at a temperature of 200-300 DEG C afterwards, then with 800~900 DEG C of high temperature sintering 30 minutes, needed after the completion of sintering
It is measured using sonigauge and prints whether film forming thickness meets the requirements.
Specifically, the functional layer of insulating medium layer, resistant heat generating layer and protective layer as thick film hybrid heating layer,
Its total thickness only 0.1mm or so, makes whole thick film hybrid heating layer reach ultimate attainment frivolous state.
Temperature sensor 5 is also equipped with liquid outlet 22, to be monitored in real time to the fluid temperature of liquid outlet.
Heat-conducting substrate 11 is metal substrate, can specifically use the metal materials such as aluminium alloy, stainless steel, copper to make, it can be carried
The safety durable of high thick film hybrid layer, its life prediction was up to 15 years, and metal substrate is for non-metal base plate
No aging tendency, and it is shock resistance, shatter-proof strong.
In the course of work, liquid enters inside shell 2 from inlet 21, while is supplied to thick film hybrid heating layer one
Fixed operating voltage, resistant heat generating layer 13 open work and directly generate heat, liquid, that is, very fast heating of enclosure, the liquid after heating
Body is flowed out from liquid outlet, completes a heat cycles.
Shell 2 and baffle 4 can use the metal materials such as aluminium alloy, stainless steel, copper to make in the present embodiment, can also use
Polybutylene terephthalate (PBT)（PBT）, polyamide（PA66）Deng plastic production.
Heating unit liquid specifically can preferably select anti-icing fluid using heat-conducting medium known in water, anti-icing fluid etc..
By connecting the making choice property of pad conductor being connected in resistant heat generating layer, it can be achieved that heating in the present embodiment
The different temperatures selection of device；Thick film hybrid heating layer is made of environment-friendly electronic slurry, harmful member such as not leaded cadmium
Element, it is environmentally protective, meet European ROHS instructions.
The plate heating unit of the utility model can be applied to new-energy automobile, air-conditioning, water heater, household warming etc.
Aspect, is particularly suitable for new-energy automobile, using thick film hybrid（HIC）Heating technique, has overturned the prior art completely
The mentalities of designing such as new-energy automobile such as PTC wind warms up, PTC hot-water heatings, bring efficient, safe and environment-friendly, lightweight, high degree of comfort
Complete new experience.
Obviously, above-described embodiment is only intended to clearly illustrate the technical solution of the utility model example, and simultaneously
Non- is the restriction to the utility model embodiment.For those of ordinary skill in the field, in the base of described above
It can also be made other variations or changes in different ways on plinth.There is no need and unable to give thoroughly all embodiments
Lift.All any modification, equivalent and improvement made where within the spirit and principles of the present invention etc., should be included in this
Within the protection domain of utility model right requirement.
Claims (4)
1. a kind of plate heating unit, it is characterised in that including shell and heating layer, the shell has opening, described to add
Thermosphere is flat structure, and the heating layer carries out shell aperture closing connection and forms the heating chamber that can accommodate liquid communication
Room, has the heating passage that heating chamber is separated into multiple circulations of detours for liquid by more block baffles, institute in the heating chamber
Stating has inlet and liquid outlet on shell；
The heating layer is thick film hybrid heating layer, including heat-conducting substrate, be covered on heat-conducting substrate insulating medium layer,
Resistant heat generating layer on insulating medium layer, the pad conductor being series in resistant heat generating layer, the resistant heat generating layer is adopts
Make to form resistance loop of resistance slurry；
The insulating medium layer is made of dielectric paste, and the pad conductor is attached to resistance heating layer by conductor paste
On；
The insulating medium layer, resistant heat generating layer and pad conductor are made by silk-screen printing and layering sintering process；
Further include the temperature control element being series in resistant heat generating layer；
Further include the protective layer for being covered in resistance heating layer surface；
The print thickness of the insulating medium layer is 20-30 μm；12~18um of print thickness of the conductor paste；The protection
The print thickness of layer is 20-30 μm.
2. plate heating unit according to claim 1, it is characterised in that the protective layer is to be passed through using dielectric paste
Silk-screen printing makes with layering sintering process.
3. plate heating unit according to claim 1, it is characterised in that the print thickness of the resistant heat generating layer is 12
~18um.
4. a kind of new-energy automobile, it is characterised in that including heating system, the heating system is equipped with claims 1 to 3 such as and appoints
Plate heating unit described in meaning one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720914594.6U CN207262708U (en) | 2017-07-26 | 2017-07-26 | A kind of plate heating unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720914594.6U CN207262708U (en) | 2017-07-26 | 2017-07-26 | A kind of plate heating unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207262708U true CN207262708U (en) | 2018-04-20 |
Family
ID=61927617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720914594.6U Active CN207262708U (en) | 2017-07-26 | 2017-07-26 | A kind of plate heating unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207262708U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110167214A (en) * | 2019-04-09 | 2019-08-23 | 天津金立盛业有限公司 | A kind of nanometer of heating board and intelligent heat supply equipment |
| CN115900062A (en) * | 2022-12-05 | 2023-04-04 | 华中科技大学 | Special-shaped aviation cooling liquid auxiliary heating device and preparation method |
-
2017
- 2017-07-26 CN CN201720914594.6U patent/CN207262708U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110167214A (en) * | 2019-04-09 | 2019-08-23 | 天津金立盛业有限公司 | A kind of nanometer of heating board and intelligent heat supply equipment |
| CN110167214B (en) * | 2019-04-09 | 2020-03-10 | 天津金立盛业有限公司 | Nanometer heating plate and intelligent heating equipment |
| CN115900062A (en) * | 2022-12-05 | 2023-04-04 | 华中科技大学 | Special-shaped aviation cooling liquid auxiliary heating device and preparation method |
| CN115900062B (en) * | 2022-12-05 | 2024-05-14 | 华中科技大学 | Special-shaped aviation cooling liquid auxiliary heating device and preparation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180528 Address after: 412000 Zhuzhou District, Tianyuan, Hunan, Jinlong Road, No. 8 production plant 2 plant A area Patentee after: Zhuzhou Li De inkel Electronics Technology Co. Ltd. Address before: 412000 Hunan science and Technology Park, 8 Jinlong Road, Tianyuan District, Zhuzhou, China Patentee before: HUNAN LEED THICK FILM PASTE CO., LTD. |
|
| TR01 | Transfer of patent right |