CN104486855A - Electric heating pipe capable of accurately controlling temperature - Google Patents
Electric heating pipe capable of accurately controlling temperature Download PDFInfo
- Publication number
- CN104486855A CN104486855A CN201410748547.XA CN201410748547A CN104486855A CN 104486855 A CN104486855 A CN 104486855A CN 201410748547 A CN201410748547 A CN 201410748547A CN 104486855 A CN104486855 A CN 104486855A
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- draw
- groove
- thermostat
- heating wire
- electric heating
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Abstract
The invention relates to an electric heating pipe capable of accurately controlling temperature. The electric heating pipe comprises an outer protecting pipe, a temperature controller, a heating wire, a conductive bar and a ceramic pipe, wherein the outer protecting pipe is filled with magnesia powder; the heating wire and the conductive bar are both arranged in the outer protecting pipe; the heating wire is connected with the conductive bar; the conductive bar passes through the ceramic pipe arranged at one end of the outer protecting pipe, and is fixed through nuts; the temperature controller is arranged in the outer protecting pipe, is connected with the heating wire, and comprises a main temperature controller body and a temperature controller shell. The electric heating pipe is capable of accurately controlling temperature, so that liquid is heated to a certain temperature; the constant temperature requirement is achieved; over-temperature protection on a medium is achieved when the electric heating pipe is applied to liquid heating.
Description
Technical field
The present invention relates to a kind of electric heating tube, particularly relate 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.
Summary of the invention
Technical problem to be solved by this invention 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, technical scheme of the present invention 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.
Beneficial effect of the present invention is:
1. the present invention 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 invention, 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 present invention 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. temperature controller case of the present invention 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 present invention 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 present invention, 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 cutaway view of the present invention.
Fig. 2 is thermostat cutaway view of the present invention.
Fig. 3 is upper top cover structure chart of the present invention.
Fig. 4 is lower bottom base structure chart of the present invention.
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 present invention 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 invention, 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 present invention 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.
Temperature controller case of the present invention 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 present invention 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 present invention, avoids thermostat directly to contact with other constituents in electric heating tube, more safe and reliable, adds useful life.
Here description of the invention and application is illustrative, not wants by scope restriction of the present invention in the above-described embodiments, and therefore, the present invention 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 protection of the invention.
Claims (3)
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, 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.
3. the electric heating tube of a kind of accurate temperature control as claimed in claim 1, is characterized by, and described upper top cover is provided with the first draw-in groove of annular and the second draw-in groove of annular, and internal diameter, the external diameter of the first draw-in groove are all identical with the first clamping gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410748547.XA CN104486855A (en) | 2014-12-10 | 2014-12-10 | Electric heating pipe capable of accurately controlling temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410748547.XA CN104486855A (en) | 2014-12-10 | 2014-12-10 | Electric heating pipe capable of accurately controlling temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104486855A true CN104486855A (en) | 2015-04-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410748547.XA Pending CN104486855A (en) | 2014-12-10 | 2014-12-10 | Electric heating pipe capable of accurately controlling temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104486855A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105848318A (en) * | 2016-05-11 | 2016-08-10 | 镇江东方电热有限公司(中外合资) | Direct resistance type electric heater |
| CN111447703A (en) * | 2020-03-02 | 2020-07-24 | 上海交通大学 | Immersion type energy-saving aluminum alloy melt heater |
| CN114641105A (en) * | 2022-03-30 | 2022-06-17 | 西安交通大学 | Axial non-uniform indirect electric heating rod based on double temperature sensors |
-
2014
- 2014-12-10 CN CN201410748547.XA patent/CN104486855A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105848318A (en) * | 2016-05-11 | 2016-08-10 | 镇江东方电热有限公司(中外合资) | Direct resistance type electric heater |
| CN111447703A (en) * | 2020-03-02 | 2020-07-24 | 上海交通大学 | Immersion type energy-saving aluminum alloy melt heater |
| CN114641105A (en) * | 2022-03-30 | 2022-06-17 | 西安交通大学 | Axial non-uniform indirect electric heating rod based on double temperature sensors |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150401 |