CN204272407U - A kind of electric heating tube of accurate temperature control - Google Patents
A kind of electric heating tube of accurate temperature control Download PDFInfo
- Publication number
- CN204272407U CN204272407U CN201420771445.5U CN201420771445U CN204272407U CN 204272407 U CN204272407 U CN 204272407U CN 201420771445 U CN201420771445 U CN 201420771445U CN 204272407 U CN204272407 U CN 204272407U
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- CN
- China
- Prior art keywords
- thermostat
- draw
- groove
- outer pillar
- heating wire
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a kind of electric heating tube of accurate temperature control, comprise outer pillar, thermostat, heating wire, contact rod and earthenware, magnesia powder is filled with in described outer pillar, described heating wire and contact rod are all arranged in outer pillar, heating wire is connected with contact rod, contact rod is through the earthenware being arranged on outer pillar one end, and fixed by nut, described thermostat is positioned at outer pillar, thermostat is connected with heating wire, described thermostat comprises thermostat main body and temperature controller case, can temperature control accurately, heating liquid is made to arrive certain temperature, and arrive the requirement of constant temperature, during for heating liquid, to the overtemperature prote of medium.
Description
Technical field
The utility model relates to a kind of electric heating tube, particularly relates to a kind of electric heating tube of accurate temperature control.
Background technology
Electric heating tube be by internal heating wire's resistance heating so that by magnesia powder externally tubing carry out heat transfer, thus external agency is heated, heating tube only needs to have supply of electric power and just can use easily, use restriction very little, coefficient of safety is also very high, but the quality standard of existing electric heating tube is difficult to reach, high pressure resistant, performance requirement such as work leakage, reliable life, homogeneous heating etc. all can not well reach.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of electric heating tube of accurate temperature control, can temperature control accurately, makes heating liquid arrive certain temperature, and arrives the requirement of constant temperature, during for heating liquid, to the overtemperature prote of medium.
For solving the problems of the technologies described above, the technical solution of the utility model is:
A kind of electric heating tube of accurate temperature control, comprise outer pillar, thermostat, heating wire, contact rod and earthenware, magnesia powder is filled with in described outer pillar, described heating wire and contact rod are all arranged in outer pillar, heating wire is connected with contact rod, contact rod is through the earthenware being arranged on outer pillar one end, and fixed by nut, described thermostat is positioned at outer pillar, thermostat is connected with heating wire, described thermostat comprises thermostat main body and temperature controller case, described temperature controller case comprises lower bottom base, upper top cover, inner housing and shell body, described lower bottom base comprises pedestal, pedestal is provided with the first boss, first boss is cylindrical structural, the first card article of annular is provided with outside first boss, the first clamping gap is there is between described first boss and the first card article, described upper top cover is provided with the first draw-in groove of annular and the second draw-in groove of annular, the internal diameter of the first draw-in groove, external diameter is all identical with the first clamping gap, second draw-in groove is positioned at outside the first draw-in groove, the internal diameter of the second draw-in groove is identical with the external diameter of the first card article, described upper top cover is provided with two threading passages, the cross sectional shape of described inner housing is cirque structure, inner housing interference fit be fixed between the first clamping gap and the first draw-in groove, described shell body cross sectional shape is cirque structure, shell body is linked in the first card article outer wall, cave in and be fixed in the second draw-in groove, described shell body is provided with some through holes, described thermostat main body is arranged in inner housing, and be connected with heating wire by threading passage.
The electric heating tube of above-mentioned a kind of accurate temperature control, wherein, described temperature controller case and outer pillar matched in clearance.
The beneficial effects of the utility model are:
1. the utility model installs thermostat in electric heating tube one end, and make it to connect with heating wire, when temperature reaches setting high temperature boundary, thermostat disconnects, thus cut off electric heating tube power supply, electric heater of the present utility model, adopt the material such as stainless steel or carbon steel, the heating tube material of unlike material is selected according to different environments for use, use and tank, descaling bath, the heating of the cell bodies such as chemical reagent, the principle that employing level is installed, the heating section of effective guarantee electrothermal tube is immersed in by the medium that heats completely, heating tube heating part does not allow to be exposed to dry combustion method in air, otherwise heater failure or initiation fire will be caused, the utility model can temperature control accurately, heating liquid is made to arrive certain temperature, and arrive the requirement of constant temperature, during for heating liquid, to the overtemperature prote of medium.
2. the utility model temperature controller case and outer pillar matched in clearance, the I&M of temperature control can be facilitated, if run into fault simply can take out replacing, time saving and energy saving, thermostat can be avoided to cause damage in extraneous factors such as electric heating tube can shake simultaneously, add useful life.
3. the utility model is provided with some through holes on shell body, in magnesia powder can be made to enter space that shell body and inner housing surround, thermostat can be made real time temperature situation to be detected accurately.
4. thermostat is arranged in temperature controller case by the utility model, avoids thermostat directly to contact with other constituents in electric heating tube, more safe and reliable, adds useful life.
Accompanying drawing explanation
Fig. 1 is the utility model cutaway view.
Fig. 2 is the utility model thermostat cutaway view.
Fig. 3 is the utility model upper top cover structure chart.
Fig. 4 is the utility model lower bottom base structure chart.
Embodiment
A kind of electric heating tube of accurate temperature control as shown in the figure, comprise outer pillar 1, thermostat 2, heating wire 3, contact rod 4 and earthenware 5, magnesia powder 6 is filled with in described outer pillar 1, described heating wire 3 is all arranged in outer pillar 1 with contact rod 4, heating wire 3 is connected with contact rod 4, contact rod 4 is through the earthenware 5 being arranged on outer pillar one end, and fixed by nut 21, described thermostat 2 is positioned at outer pillar 1, thermostat 2 is connected with heating wire 3, described thermostat 2 comprises thermostat main body 7 and temperature controller case 8, described temperature controller case 8 and outer pillar 1 matched in clearance, described temperature controller case 8 comprises lower bottom base 9, upper top cover 10, inner housing 11 and shell body 12, described lower bottom base 9 comprises pedestal 13, pedestal 13 is provided with the first boss 14, first boss 14 is cylindrical structural, the first card article 15 of annular is provided with outside first boss 14, the first clamping gap 16 is there is between described first boss 14 and the first card article 15, described upper top cover 10 is provided with the first draw-in groove 17 of annular and the second draw-in groove 18 of annular, the internal diameter d1 of the first draw-in groove 17, outside diameter d 2 all with the internal diameter d3 in the first clamping gap 16, outside diameter d 4 is identical, second draw-in groove 18 is positioned at outside the first draw-in groove 17, the internal diameter d5 of the second draw-in groove 18 is identical with the outside diameter d 6 of the first card article 15, described upper top cover 10 is provided with two threading passages 19, the cross sectional shape of described inner housing 11 is cirque structure, inner housing 11 interference fit be fixed between the first clamping gap 16 and the first draw-in groove 17, described shell body 12 cross sectional shape is cirque structure, shell body 12 is linked in the first card article 15 outer wall, cave in and be fixed in the second draw-in groove 18, described shell body 12 is provided with some through holes 20, described thermostat main body 7 is arranged in inner housing 11, and be connected with heating wire 3 by threading passage 19.
The utility model installs thermostat in electric heating tube one end, and make it to connect with heating wire, when temperature reaches setting high temperature boundary, thermostat disconnects, thus cut off electric heating tube power supply, electric heater of the present utility model, adopt the material such as stainless steel or carbon steel, the heating tube material of unlike material is selected according to different environments for use, use and tank, descaling bath, the heating of the cell bodies such as chemical reagent, the principle that employing level is installed, the heating section of effective guarantee electrothermal tube is immersed in by the medium that heats completely, heating tube heating part does not allow to be exposed to dry combustion method in air, otherwise heater failure or initiation fire will be caused, the utility model can temperature control accurately, heating liquid is made to arrive certain temperature, and arrive the requirement of constant temperature, during for heating liquid, to the overtemperature prote of medium.
The utility model temperature controller case and outer pillar matched in clearance, the I&M of temperature control can be facilitated, if run into fault simply can take out replacing, time saving and energy saving, thermostat can be avoided to cause damage in extraneous factors such as electric heating tube can shake simultaneously, add useful life.
The utility model is provided with some through holes on shell body, in magnesia powder can be made to enter space that shell body and inner housing surround, thermostat can be made real time temperature situation to be detected accurately.
Thermostat is arranged in temperature controller case by the utility model, avoids thermostat directly to contact with other constituents in electric heating tube, more safe and reliable, adds useful life.
Here description of the present utility model and application is illustrative; not want by scope restriction of the present utility model in the above-described embodiments; therefore, the utility model is not by the restriction of the present embodiment, and the technical scheme that any employing equivalence replacement obtains is all in the scope of the utility model protection.
Claims (2)
1. the electric heating tube of an accurate temperature control, it is characterized by, comprise outer pillar, thermostat, heating wire, contact rod and earthenware, magnesia powder is filled with in described outer pillar, described heating wire and contact rod are all arranged in outer pillar, heating wire is connected with contact rod, contact rod is through the earthenware being arranged on outer pillar one end, and fixed by nut, described thermostat is positioned at outer pillar, thermostat is connected with heating wire, described thermostat comprises thermostat main body and temperature controller case, described temperature controller case comprises lower bottom base, upper top cover, inner housing and shell body, described lower bottom base comprises pedestal, pedestal is provided with the first boss, first boss is cylindrical structural, the first card article of annular is provided with outside first boss, the first clamping gap is there is between described first boss and the first card article, described upper top cover is provided with the first draw-in groove of annular and the second draw-in groove of annular, the internal diameter of the first draw-in groove, external diameter is all identical with the first clamping gap, second draw-in groove is positioned at outside the first draw-in groove, the internal diameter of the second draw-in groove is identical with the external diameter of the first card article, described upper top cover is provided with two threading passages, the cross sectional shape of described inner housing is cirque structure, inner housing interference fit be fixed between the first clamping gap and the first draw-in groove, described shell body cross sectional shape is cirque structure, shell body is linked in the first card article outer wall, cave in and be fixed in the second draw-in groove, described shell body is provided with some through holes, described thermostat main body is arranged in inner housing, and be connected with heating wire by threading passage.
2. the electric heating tube of a kind of accurate temperature control as claimed in claim 1, is characterized by, described temperature controller case and outer pillar matched in clearance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420771445.5U CN204272407U (en) | 2014-12-10 | 2014-12-10 | A kind of electric heating tube of accurate temperature control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420771445.5U CN204272407U (en) | 2014-12-10 | 2014-12-10 | A kind of electric heating tube of accurate temperature control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204272407U true CN204272407U (en) | 2015-04-15 |
Family
ID=52807251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420771445.5U Expired - Fee Related CN204272407U (en) | 2014-12-10 | 2014-12-10 | A kind of electric heating tube of accurate temperature control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204272407U (en) |
-
2014
- 2014-12-10 CN CN201420771445.5U patent/CN204272407U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20150415 Termination date: 20151210 |
|
| EXPY | Termination of patent right or utility model |