CN207491233U - A kind of electric hot plate - Google Patents
A kind of electric hot plate Download PDFInfo
- Publication number
- CN207491233U CN207491233U CN201721633336.7U CN201721633336U CN207491233U CN 207491233 U CN207491233 U CN 207491233U CN 201721633336 U CN201721633336 U CN 201721633336U CN 207491233 U CN207491233 U CN 207491233U
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- heat
- metal heat
- conducting
- bottom plate
- metal
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Abstract
The utility model is related to field of electric heating, disclose a kind of electric hot plate, including control cabinet, the heating component being arranged on control cabinet, heating component include metal heat-conducting bottom plate, be embedded in metal heat-conducting plate upper surface heating tube, be detachably connected on metal heat-conducting bottom plate and cover heating tube metal heat-conducting panel, be covered in the heat conduction cover plate of metal heat-conducting panel upper surface, be arranged on the heat insulating board of metal heat-conducting bottom plate lower surface.The utility model has the following advantages and effect：By the way that heating tube is embedded in the groove of metal heat-conducting bottom plate, and METAL HEATING PROCESS panel is covered on metal heat-conducting bottom plate, so that most of heat that heating tube generates is transmitted to by metal heat-conducting bottom plate on METAL HEATING PROCESS panel, it is transmitted on heat conduction cover plate by METAL HEATING PROCESS panel again, it is final so that the temperature on heat conduction cover plate is more uniform and stable, improve stability when wet digestion in the process heats sample.
Description
Technical field
The utility model is related to field of electric heating, more particularly to a kind of electric hot plate.
Background technology
In detection identification technology is examined, wet digestion is to do the sample pre-treatments means of elemental analysis.Wet digestion is
The method for destroying organic matter in sample or reducing substances with acid solution or lye and in a heated condition.The mistake of its wet digestion
It needs that electric hot plate is coordinated to heat sample in journey.
At present, Authorization Notice No. CN2859977Y, authorized announcement date are disclosed for the Chinese patent on January 17th, 2017
A kind of electric hot plate, heating element are heating tube, and heating tube is wrapped in cast aluminium plate, and iron cover plate is coated in the outside of cast aluminium plate,
There is polytetrafluoro coating in above iron cover plate and side, and iron cover plate inside bottom surface has insulating layer, and above-mentioned overall structure forms heating plate；Branch
Support member is the babinet with heat emission hole, there is sprag above babinet, and sprag is supported below heating plate, the heating tube in heating plate
It is contacted by the control circuit in conducting wire and babinet, control circuit is connect by plug with power supply.
In the heating plate of this electric hot plate, heating tube is in cast aluminium plate by the way of cast, leads to heat transfer
So that the more uniform temperature of heater plate surface so that during wet digestion, relatively stable can be heated to sample；
But because heating tube is located in cast aluminium plate so that heating tube is difficult to overhaul, it is brought greater inconvenience to the repair in later stage
Place.
Utility model content
The purpose of this utility model is to provide a kind of electric hot plate, while electric hot plate surface temperature uniformity is improved, and
It can be convenient to overhaul.
The above-mentioned technical purpose of the utility model technical scheme is that：A kind of electric hot plate, including
Control cabinet, the heating component being arranged on control cabinet, the heating component include metal heat-conducting bottom plate, are embedded in the metal and lead
The heating tube of hot plate upper surface, the metal heat-conducting for being detachably connected on the metal heat-conducting bottom plate and covering the heating tube
Panel, the heat conduction cover plate for being covered in the metal heat-conducting panel upper surface, the heat-insulated guarantor for being arranged on metal heat-conducting bottom plate lower surface
Warm plate.
By using said program, by the way that heating tube is embedded on metal heat-conducting bottom plate, and cause metal heat-conducting panel
It is detachably connected on metal heat-conducting bottom plate and covers metal heat-conducting panel, when heated, hot because of metal passes heating tube at this time
The effect of passing, in most of heat transfer to metal heat-conducting bottom plate of heating tube, another part directly passes to metal by air
Heat conduction panel；Because metal heat-conducting baseplate heated it is uniform after, metal heat-conducting bottom plate can more uniformly will therewith connect in heat transfer
On tactile metal heat-conducting panel, the final heat for be transmitted on heat conduction cover plate is more uniform, realizes to wet digestion process
In sample be evenly heated, improve detection performance；Simultaneously because metal heat-conducting panel is detachably connected on metal heat-conducting bottom plate
On so that heating tube can be overhauled after removal；Heat insulating board can prevent heat to scatter and disappear downward.
The utility model is further arranged to：The metal heat-conducting plate upper surface is offered to be embedded in for the heating tube
Groove, the heating tube include along the metal heat-conducting bottom plate the serpentine-like extension of width direction fire end, connect respectively
The connecting pin for being connected on the fire end both ends, the heated coupling being connected on the connecting pin, the fire end are contradicted described
On the bottom wall and side wall of groove.
By using said program, heating tube adds the serpentine-like extension in end, so as to increase the heating surface (area) (HS of heating tube, and makes
The heating region for obtaining heating tube is more uniform；Simultaneously because fire end is contradicted on the bottom wall and side wall of groove, add so as to improve
Hot junction and the contact area of metal heat-conducting bottom plate, improve the heat transference efficiency between fire end and metal heat-conducting bottom plate, so as to carry
The efficiency of heating surface of high metal heat conduction panel, the final efficiency of heating surface for improving heat conduction mask.
The utility model is further arranged to：The upper surface of the metal heat-conducting bottom plate be provided with multiple arranged distributions and
Heat conduction item at the fire end, the lower surface of the metal heat-conducting panel are provided with the heat conduction for heat conduction item insertion
Slot.
By using said program, the thermal trough of metal heat-conducting panel is embedded by the heat conduction item on metal heat-conducting bottom plate
It is interior, so as to increase the contact area between metal heat-conducting bottom plate and metal heat-conducting panel, so as to improve on metal heat-conducting bottom plate
Heat transfer to metal heat-conducting panel on speed, the final efficiency of heating surface improved to heat conduction mask.
The utility model is further arranged to：The heat conduction cover plate has the cover shape setting of opening in lower surface, described
Heat conduction cover plate covers the side of the metal heat-conducting bottom plate and the metal heat-conducting panel.
By using said program, the side of heat conduction cover plate covering metal heat-conducting bottom plate and metal heat-conducting panel, thus
The side of metal heat-conducting bottom plate and metal heat-conducting panel can be also transferred heat on heat conduction cover plate, so as to improve to heat conduction cover plate
The efficiency of heating surface, and reduce heat distributed from metal heat-conducting bottom plate and metal heat-conducting panel.
The utility model is further arranged to：The outer surface of the heat conduction cover plate is provided with polytetrafluorethylecoatings coatings.
By using said program, polytetrafluoroethylene (PTFE) is a kind of artificial conjunction for replacing all hydrogen atoms in polyethylene using fluorine
Into high molecular material, there is antiacid alkali resistant, resist various organic solvents so that the outer surface of heat conduction cover plate touch it is wet
During acid solution or lye in method digestion process, it is not susceptible to corrode.
The utility model is further arranged to：The side of the metal heat-conducting bottom plate offers multiple connecting holes, described
Interference fit has the internal ceramic jacket with internal thread hole in connecting hole, and the position that the heat conduction cover plate corresponds to the connecting hole is opened
Equipped with through-hole, be provided through between the heat conduction cover plate and the metal heat-conducting bottom plate through-hole rear thread be connected to it is described
Connection bolt in internal thread hole.
By using said program, connected between heat conduction cover plate and metal heat-conducting bottom plate by connecting bolt, so that leading
Hot cover plate can compress metal heat-conducting area while fixed to metal heat-conducting bottom plate, so as to fulfill by heat conduction cover plate,
Metal heat-conducting bottom plate, metal heat-conducting panel link together；Connect the pottery that bolt thread is connected on metal heat-conducting bottom plate simultaneously
In insulator, ceramic material has certain heat insulation, and energy relative reduction connects the temperature at bolt, so as to extend connection bolt
Service life.
The utility model is further arranged to：The heat insulating board is ceramic beaverboard.
By using said program, ceramic beaverboard has low heat conductivity, low heat capacity, good thermal stability and heat resistanceheat resistant
Pinking, compressive resistance, toughness；So as to reduce the heat distributed from the lower surface on metal heat-conducting bottom plate, to a certain extent
It can guarantee the temperature of metal heat-conducting bottom plate.
The utility model is further arranged to：Multiple ceramics are provided between the heat insulating board and the control cabinet
Pillar.
By using said program, the ceramic leg between control cabinet and heat insulating board causes control cabinet and heat-insulated guarantor
Warm plate is to be spaced apart, and is avoided when heating component is excessively close to control cabinet, control cabinet damages due to high temperature；And pass through ceramic leg
The efficiency in the heat transfer to control cabinet in heating component can be slowed down, so as to the temperature at opposite holding heating component.
In conclusion the utility model has the advantages that：
1st, it by the way that heating tube is embedded in the groove of metal heat-conducting bottom plate, and covers metal on metal heat-conducting bottom plate and adds
Hot panel, because most heat is transmitted on METAL HEATING PROCESS panel, then pass through METAL HEATING PROCESS panel by metal heat-conducting bottom plate
It is transmitted on heat conduction cover plate, it is final so that the temperature on heat conduction cover plate is more uniform and stable, it is right during raising wet digestion
Stability when sample is heated；
2nd, the outer surface of heat conduction cover plate be provided with polytetrafluorethylecoatings coatings have acid-alkali-corrosive-resisting effect, so as to when with it is wet
When being in contact during acid solution or lye in method digestion process, it is not easy to corrode, physical life can be extended.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the Structure explosion diagram of the utility model；
Fig. 3 is the front view of the utility model.
Reference numeral：1st, control cabinet；2nd, heating component；21st, metal heat-conducting bottom plate；211st, groove；212nd, heat conduction item；213、
Connecting hole；22nd, heating tube；221st, fire end；222nd, connecting pin；223rd, heated coupling；23rd, metal heat-conducting panel；231st, heat conduction
Slot；24th, heat conduction cover plate；241st, through-hole；25th, heat insulating board；3rd, polytetrafluorethylecoatings coatings；4th, ceramic jacket；41st, internal thread hole；
5th, bolt is connected；6th, ceramic leg.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment 1：A kind of electric hot plate, as shown in Figure 1, including control cabinet 1, the heating component being arranged on control cabinet 12.
As depicted in figs. 1 and 2, heating component 2 includes heat insulating board 25, metal heat-conducting bottom plate 21, heating tube 22, metal
Heat conduction panel 23, heat conduction cover plate 24.
As shown in Fig. 2, heat insulating board 25 is located at bottom and is ceramic beaverboard.
As shown in Fig. 2, metal heat-conducting bottom plate 21 is made of copper material and positioned at the top of heat insulating board 25, heat-insulated guarantor
Pass through screw between warm plate 25 and metal heat-conducting bottom plate 21（Do not illustrate in figure）It is fixed.
As shown in Fig. 2, open up fluted 211 in the upper surface of metal heat-conducting bottom plate 21；Heating tube 22 is embedded in groove 211
It is interior；And heating tube 22 include being embedded in groove 211 and along the serpentine-like extension of width direction of metal heat-conducting bottom plate 21 plus
Hot junction 221, the connecting pin 222, two at the both ends for being embedded in groove 211 and being integrally disposed upon fire end 221 respectively are solid respectively
Surely the heated coupling 223 being connected on connecting pin 222；Fire end 221 and connecting pin 222 and the bottom with groove 211 simultaneously simultaneously
Wall and side wall are inconsistent, and heated coupling 223 protrudes the side wall of metal heat-conducting bottom plate 21.
As shown in Fig. 2, metal heat-conducting panel 23 is made and is covered on metal heat-conducting bottom plate 21, and metal by copper material
The lower surface of heat conduction panel 23 is not inconsistent with heating tube 22.Simultaneously in the upper surface of metal heat-conducting bottom plate 21 integrally formed with more
A heat conduction item 212, multiple heat conduction items 212 arrange setting, and multiple heat conduction items 212 along the width direction of metal heat-conducting bottom plate 21
Positioned at the fire end 221 of heating tube 22；It is offered in the lower surface of metal heat-conducting panel 23 multiple respectively for heat conduction item
The thermal trough 231 of 212 insertions.
As shown in Fig. 2, heat conduction cover plate 24 is made of stainless steel material and has the cover shape setting of opening, heat conduction in lower surface
Cover plate 24 covers the upper surface of metal heat-conducting panel 23 and the side outer wall of metal heat-conducting bottom plate 21, in the outer of heat conduction cover plate 24
Surface is formed with polytetrafluorethylecoatings coatings 3 by coating polytetrafluoroethylene (PTFE)（See Fig. 1）.Simultaneously at two of metal heat-conducting bottom plate 21
It is opened up respectively on parallel side wall there are two connecting hole 213, the interior interference fit of connecting hole 213 has internal with internal thread hole 41
Ceramic jacket 4, the position that 24 plate of heat conduction cover plate is correspondingly connected with hole 213 offers through-hole 241,24 plate of heat conduction cover plate and metal heat-conducting
The connection bolt 5 that 241 rear thread of through-hole is connected in internal thread hole 41 is provided through between bottom plate 21.
As shown in figure 3, control cabinet 1 is located at the lower section of heat insulating board 25, and the upper surface of control cabinet 1 and heat insulating board
Ceramic leg 6 there are four being fixedly connected between 25 lower surface.There is the heated coupling 223 with heating tube 22 in control cabinet 1
The control circuit of series connection（Do not illustrate in figure）, and the connection mode for not illustrating to heat 22 in figure is the prior art, in figure not
Signal.
Implementation principle：In 22 adstante febre of heating tube, because the heating tube 22 being embedded in groove 211 is contradicted at metal heat-conducting bottom
On plate 21, being transmitted by the heat of metal, most of heat that heating tube 22 generates quickly is transmitted on metal heat-conducting bottom plate 21,
Minor heat heats metal heat-conducting panel 23 after air borne；Then the heat in metal heat-conducting bottom plate 21 leads to
Heat transfer is quickly transferred on metal heat-conducting panel 23；The finally even heat distribution on heat conduction cover plate 24 is transferred to,
Stability when wet digestion in the process heats sample can be improved.
This specific embodiment is only explanation to the utility model, is not the limitation to the utility model, ability
Field technique personnel can as needed make the present embodiment the modification of no creative contribution after this specification is read, but
As long as it is all protected in the right of the utility model by Patent Law.
Claims (8)
1. a kind of electric hot plate, including control cabinet（1）, be arranged on control cabinet（1）On heating component（2）, it is characterised in that：It is described
Heating component（2）Including metal heat-conducting bottom plate（21）, be embedded in the metal heat-conducting bottom plate（21）The heating tube of upper surface（22）、
It is detachably connected on the metal heat-conducting bottom plate（21）It goes up and covers the heating tube（22）Metal heat-conducting panel（23）, covering
In the metal heat-conducting panel（23）The heat conduction cover plate of upper surface（24）, be arranged on metal heat-conducting bottom plate（21）Lower surface it is heat-insulated
Thermal insulation board（25）.
2. a kind of electric hot plate according to claim 1, it is characterised in that：The metal heat-conducting bottom plate（21）Upper surface opens up
Have for the heating tube（22）Embedded groove（211）, the heating tube（22）Including along the metal heat-conducting bottom plate（21）
The serpentine-like extension of width direction fire end（221）, be connected to the fire end（221）The connecting pin at both ends（222）、
It is connected to the connecting pin（222）On heated coupling（223）, the fire end（221）It contradicts in the groove（211）Bottom
On wall and side wall.
3. a kind of electric hot plate according to claim 2, it is characterised in that：The metal heat-conducting bottom plate（21）Upper surface set
It is equipped with multiple arranged distributions and positioned at the fire end（221）The heat conduction item at place（212）, the metal heat-conducting panel（23）Under
Surface is provided with for the heat conduction item（212）Embedded thermal trough（231）.
4. a kind of electric hot plate according to claim 1, it is characterised in that：The heat conduction cover plate（24）Have in lower surface and open
The cover shape setting of mouth, the heat conduction cover plate（24）Cover the metal heat-conducting bottom plate（21）And the metal heat-conducting panel（23）
Side.
5. a kind of electric hot plate according to claim 4, it is characterised in that：The heat conduction cover plate（24）Outer surface be provided with
Polytetrafluorethylecoatings coatings（3）.
6. a kind of electric hot plate according to claim 4, it is characterised in that：The metal heat-conducting bottom plate（21）Side open up
There are multiple connecting holes（213）, the connecting hole（213）Interior interference fit has internal with internal thread hole（41）Ceramic jacket（4）,
The heat conduction cover plate（24）The corresponding connecting hole（213）Position offer through-hole（241）, the heat conduction cover plate（24）With institute
State metal heat-conducting bottom plate（21）Between be provided through the through-hole（241）Rear thread is connected to the internal thread hole（41）Interior
Connect bolt（5）.
7. a kind of electric hot plate according to claim 1, it is characterised in that：The heat insulating board（25）For ceramic fibre
Plate.
8. a kind of electric hot plate according to claim 1, it is characterised in that：The heat insulating board（25）With the control cabinet
（1）Between be provided with multiple ceramic legs（6）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721633336.7U CN207491233U (en) | 2017-11-29 | 2017-11-29 | A kind of electric hot plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721633336.7U CN207491233U (en) | 2017-11-29 | 2017-11-29 | A kind of electric hot plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207491233U true CN207491233U (en) | 2018-06-12 |
Family
ID=62472193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721633336.7U Active CN207491233U (en) | 2017-11-29 | 2017-11-29 | A kind of electric hot plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207491233U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112754312A (en) * | 2019-11-05 | 2021-05-07 | 广东美的白色家电技术创新中心有限公司 | Cooking apparatus |
| CN114143921A (en) * | 2021-11-08 | 2022-03-04 | 杨大平 | Conductive heating plate pretreatment equipment based on far infrared heating |
-
2017
- 2017-11-29 CN CN201721633336.7U patent/CN207491233U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112754312A (en) * | 2019-11-05 | 2021-05-07 | 广东美的白色家电技术创新中心有限公司 | Cooking apparatus |
| CN112754312B (en) * | 2019-11-05 | 2022-05-24 | 广东美的白色家电技术创新中心有限公司 | Cooking apparatus |
| CN114143921A (en) * | 2021-11-08 | 2022-03-04 | 杨大平 | Conductive heating plate pretreatment equipment based on far infrared heating |
| CN114143921B (en) * | 2021-11-08 | 2023-12-05 | 国网（天津）综合能源服务有限公司 | Conductive heating plate pretreatment equipment based on far infrared heating |
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