CN1282394C - Cylinder type heater with temp. safety pipe - Google Patents
Cylinder type heater with temp. safety pipe Download PDFInfo
- Publication number
- CN1282394C CN1282394C CN 02120361 CN02120361A CN1282394C CN 1282394 C CN1282394 C CN 1282394C CN 02120361 CN02120361 CN 02120361 CN 02120361 A CN02120361 A CN 02120361A CN 1282394 C CN1282394 C CN 1282394C
- Authority
- CN
- China
- Prior art keywords
- safety tube
- temperature safety
- temperature
- heater
- heat
- 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 - Lifetime
Links
- 239000002184 metal Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 230000002159 abnormal effect Effects 0.000 abstract description 9
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 238000010438 heat treatment Methods 0.000 description 11
- 239000007864 aqueous solution Substances 0.000 description 5
- 229910001120 nichrome Inorganic materials 0.000 description 5
- 230000003321 amplification Effects 0.000 description 4
- 238000003199 nucleic acid amplification method Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229910000881 Cu alloy Inorganic materials 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 229910001316 Ag alloy Inorganic materials 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 230000002687 intercalation Effects 0.000 description 1
- 238000009830 intercalation Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Resistance Heating (AREA)
- Control Of Resistance Heating (AREA)
- Fuses (AREA)
Abstract
To provide a cartridge heater-having a thermal fuse where at generation of abnormal temperature at an heat radiating part, this abnormal temperature can be detected promptly and supply-current to the exothermic part can be stopped, and where situation can be prevented in which other parts and a heated device are damaged due to the temperature rise of the heat radiating part. A thermal fuse 11 is mounted on one end of a heater lead wire 7 in the vicinity of the exothermic part 22, and a heat transfer means for extracting the heat of the heat radiating part and to transfer the heat to a side face of a thermal fuse 11 is installed.
Description
Technical field
The present invention relates to a kind of cartridge heater, can prevent in advance that as the various mechanical employed cartridge heaters of the heating source by heater be abnormal high temperature with temperature safety tube.
Background technology
Before, as the cartridge heater that temperature-sensing element has been installed, for example general heater that temperature safety tube is embedded to insulating material inside that uses.
But, in the cartridge heater of high wattage, its temperature control equipment takes place when unusual, if the temperature that do not note abnormalities as early as possible stops energising, the temperature of cartridge heater rises at short notice, make peripheral container and miscellaneous part or damaged by heater, therefore must be at short notice with dump.
Particularly, this heater is used for liquid heat more, for example the aqueous solution is controlled at 40 ℃ controller and takes place need cut off the energising of heater circuit when unusual before aqueous solution boiling.Again, if do not having to heat energising under the state of the aqueous solution, when promptly carrying out the sky burning, even perhaps under the situation of the normal temperature of control under the normal water level, but make the decline of water table of the aqueous solution arrive below the lower limit of management for a certain reason, the part of the heat generating part of heater is exposed from the aqueous solution, when the temperature of its exposed portions serve sharply rises, also needs in these cases to cut off the electricity supply at short notice.
For this reason, in the existing cartridge heater that temperature-sensing element is installed, for a certain reason, for example empty burn etc., allow temperature safety tube move, because this temperature safety tube can not change, the result has only cartridge heater whole discarded, and relevant invention for the cartridge heater that solves such shortcoming has the spy to open flat 7-114978 number invention.
This invention is, in metal sealed tube, insert nichrome wire with the sealing pipe insulation, the cartridge heater that energising allows this nichrome wire generate heat, nichrome wire passes 3 the hole portions of total on the periphery that is arranged on the post insulator that inserts along its axis direction in the sealed tube along axis direction, intercalation adds up to the foot of 2 newel post's pins and sheet metal in these hole portions, the head of the sheet metal that takes out from sealed tube is installed temperature-sensing element, by cutting off this temperature-sensing element, stop to power to nichrome wire.
But, temperature safety tube equitemperature sensing element is necessary as far as possible near heaters such as nichrome wires, allow the heat of heater be delivered to rapidly on the surface of temperature safety tube etc., make temperature safety tube etc. molten as early as possible disconnected, but temperature safety tube etc. also are limited near the position of heater, might take place owing to the heat transmission that has postponed to temperature safety tube, situation about can not stop power supply, thereby have probabilistic shortcoming of transmitting to the heat of temperature safety tube.
Again, pet fish with tank etc. in, open flat 10-3983 number invention with the known spy that has of the invention of heater in the employed water under the relevant state that is immersed in the water, use heater in this water, inside in the heater body of being generated heat by built-in heater is provided with a plurality of heat carriers, simultaneously expose the temperature of water when outer and rise, be in the temperature safety tube of the cut-out of thermo-contact state to described heater power supply inner setting of heater body with above-mentioned heat carrier at this heater body.
But, heater internal temperature when detecting outside heater exposes water with heater in the described water, and allow temperature safety tube move, the temperature that the heating of heater causes rises and is delivered to temperature safety tube rapidly by heat carrier, in the time of outside heater exposes water, cut off power supply rapidly to heater, but when heater does not expose outside the water, if heater generation abnormal temperature might not effectively be brought into play function with heater in this water.
Summary of the invention
The object of the present invention is to provide a kind of when heat generating part produce abnormal temperature, can rapidly perception heat generating part abnormal temperature, cut off power supply, prevent because the heat generating part temperature rises the peripheral instrument that causes and by the state of affairs of the damage of heater cartridge heater generation, that have temperature safety tube to heat generating part.
The present invention, by on a near end of the heater lead the heat generating part of cartridge heater, temperature safety tube being installed, the cartridge heater of band temperature safety tube of heat transfer component that setting is drawn the heat of heat generating part and passed to the side of temperature safety tube constitutes, at this moment, heat transfer component is made of the metal of good heat conductivity, and the fore-end that is placed on the side of this temperature safety tube forms smooth, perhaps with the side similar shape of temperature safety tube, again, on the front end of the temperature safety tube of an end that is installed in heater lead, being connected in series is different from another temperature safety tube of this temperature safety tube.
Description of drawings
Fig. 1 is the side cross-sectional view at main position in the execution mode of expression cartridge heater of the present invention.
Fig. 2 is the rearview of the A-A direction of presentation graphs 1.
Fig. 3 is the sectional view of the B-B direction of presentation graphs 1.
Fig. 4 is the circuit diagram of the cartridge heater of presentation graphs 1.
Fig. 5 is the main position amplification stereogram when in the cartridge heater of presentation graphs 11 temperature safety tube being installed.
Fig. 6 is the amplification stereogram at the main position when being installed in series 2 temperature safety tubes in the cartridge heater of presentation graphs 1.
Symbol description:
7-heater lead, 10-heat transmission rod, 11-temperature safety tube, 12-temperature safety tube, 22-heat generating part.
Embodiment
With reference to the following drawings, explanation embodiments of the present invention, Fig. 1 is the side cross-sectional view at main position in the execution mode of cartridge heater of expression band temperature safety tube of the present invention, Fig. 2 is the rearview of the A-A direction of presentation graphs 1, and Fig. 3 is the sectional view of the B-B direction of presentation graphs 1.
This cartridge heater is to be divided into the heat generating part 22 in X zone and the regional two-part structure of Y that is connected with this X zone on the axis direction of tubulature outside 1, and the formation line 8 that will generate heat is wound on by MgO, Al in regional X tubulature outside 1
2O
3Deng the heat generating part 22 on the outer peripheral face of the core 3 that constitutes, an end of core 3 is supported by guiding core 4 by front end core 5, the other end, is wound between the heating line 8 and outer tubulature 1 on the core 3, and electrical insulating materials 6 such as filling MgO are fixed.
Then, the regional X of above-mentioned outer tubulature 1 is littler than the diameter of regional Y, end in the outer tubulature 1 of regional Y is fixed on flange 18 on the lid 20, this cartridge heater can be installed in by heater by this flange 18, for example accommodate on the sidewall of container etc. of liquid, adopt the sealing-in utensil 2 of fixed cap shape such as TIG solvent in the end of regional X.
Again, connect described guiding core 4 and be equipped with 4 holes, be provided with 2 heater leads 7 that its end is connected with the both ends of heating line 8 respectively in regional Y side inside from 2 holes wherein, this heater lead 7 is connected with the power supply of power supply module 21 from the gap 20 of the end of regional Y is interior.
Then, on near the heat generating part 22 of described the opposing party's heater lead 7 the end temperature safety tube 11 is installed, the heat transmission rod 10 of 2 good heat conductors is set in the side of temperature safety tube 11 simultaneously, and this rod is drawn the heat of heat generating part 22, and its heat can be molten disconnected with temperature safety tube 11 rapidly.Material as this heat transmission rod 10, use with inside and can more early transfer heat to the good heat conductivity metal of temperature safety tube 11 as purpose from heat generating part 22, for example copper or copper alloy, silver or silver alloy, from the viewpoint that reduces cost, adopt the pole of copper or copper alloy, as shown in Figure 3, each fore-end of the heat transmission rod 10 of placing in the side of its temperature safety tube 11 forms smooth, and with approaching circular-arc of the profile of temperature safety tube, further, because each front end of these heat transmission rod 10 and the side of temperature safety tube 11 are connected airtight placement, allow it connect airtight by adhesive tape 16 windings of adopting heat-resistant insulation material, can obtain thermal response performance faster.
As mentioned above, be the heat transmission rod 10 of purpose to transmit heat quickly, according to the heating capacity of heating line 8 heaters such as grade of heat generating part 22, adopt 2 to get final product in the present embodiment, certainly, change its thickness and can be 1 and also can be 2, can adjust the transmission capacity of heat by this heat transmission rod 10.
Promptly; in the cartridge heater of band temperature safety tube of the present invention; by the heat transmission rod 10 of packing into; can be rapidly from transmitting heat to temperature safety tube 11 in heat generating part 22; when abnormal conditions such as sky burning, control abnormity or water level abnormality take place, before peripheral container or components damage, can cut off the electricity supply at short notice.
As mentioned above, one end of heater lead 7 is installed on the temperature safety tube 11, and be arranged on this temperature safety tube 11 the side structure the band temperature safety tube cartridge heater main position amplification stereogram as shown in Figure 5, the front end of the temperature safety tube of installing on the end of the heater lead 7 of Gou Zao cartridge heater 11 like this, shown in the main position amplification stereogram of Fig. 6, be connected in series in the cartridge heater of another embodiment of the present invention of other temperature safety tubes 12 lower than the molten disconnected temperature of said temperature protective tube 11, when the heat transmission from heat generating part 22 slow, perhaps during temperature safety tube 11 remarkable actions, allow the low slightly temperature safety tube 12 of operating temperature that is installed in series move simultaneously, can carry out dump definitely.
In addition, when the thermal capacity of the heater of heat generating part 22 was big, perhaps overstriking heat transmission rod 10 was used many when increasing amount of heat transfer, overheated after being cut off the electricity supply by 1 temperature safety tube 11 of can more mostly occurring.
For the situation that prevents that this is overheated, by further on the close position of said temperature protective tube 11, being connected in series another temperature safety tube 12 is installed, can guarantee safety more.Promptly, after 11 actions of initial temperature safety tube because that outage produces is overheated when allowing temperature safety tube 11 surpass the assurance temperature of its manufacturer, because the operating temperature of next temperature safety tube 12 is lower than initial temperature safety tube 11, can be no more than and guarantee temperature and cut off the power supply, so this temperature safety tube 12 is set as double security device.
In addition, as the operating temperature of this execution mode, for example in the cartridge heater of this execution mode, temperature safety tube 11 is set at 117 ℃, and temperature safety tube 12 is set at 98 ℃, has the function of double security device.
Again, the circuit diagram in the cartridge heater of the band temperature safety tube of above-mentioned Fig. 1 as shown in Figure 4, on the other hand, in Fig. 1,13,14 expression crimping connexons, 9 expression insulator pipes, 15 expression silicone tubes, sealing-in rubber such as 17 expression silicon, 19 expression collapsible tubes.
The effect of invention
According to the cartridge heater with temperature safety tube of the present invention described above, when heating part abnormal temperature, the abnormal temperature of heating part passes to the Temperature protection tube-surface at short notice by heat transmission rod, allow temperature safety tube move as early as possible to stop energising, prevent in advance the parts of this cartridge heater of causing because the temperature of heating part rises or by the damage of heater.
Again, in the present invention, be installed on the front end of the temperature safety tube on the heater lead, by being connected in series the temperature safety tube lower than the operating temperature of this temperature safety tube, even when transmitting slow or temperature safety tube remarkable action from the heat of heating part, also can cut off the power supply definitely degree of safety that can dual raising cartridge heater.
Particularly, as the heat transmission rod that in cartridge heater of the present invention, adopts, owing to the leading section of the poles such as copper of good heat conductor is placed on the side of temperature safety tube, and form smooth or circular-arc, easily smooth or form the side of circular-arc part subtend temperature safety tube from the thermal capacitance of heat generating part by this, can be rapidly and positively carry out heat and transmit, the further material by changing this heat transmission rod, thickness, radical etc. can enlarge the scope that cartridge heater of the present invention institute can correspondence.
In addition, cartridge heater of the present invention except that can being used for the insulation of developing machine with developer solution, fixing solution, heating, also can effectively be used in for liquid heat, prevent freezing etc.
Claims (3)
1, a kind of cartridge heater with temperature safety tube is characterized in that:
On a near end of the heater lead the heat generating part of cartridge heater, temperature safety tube is installed, heat of drawing this heat generating part and the heat transfer component that passes to the side of temperature safety tube are set.
2, the cartridge heater of band temperature safety tube according to claim 1 is characterized in that:
Heat transfer component is made of the metal of good heat conductivity, and the fore-end that is placed on the side of this temperature safety tube forms smooth or with the side similar shape of temperature safety tube.
3, the cartridge heater of band temperature safety tube according to claim 1 and 2 is characterized in that:
On the front end of the temperature safety tube of an end that is installed in heater lead, another the lower temperature safety tube of fusing-off temperature that is connected in series and is different from this temperature safety tube.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001155332 | 2001-05-24 | ||
| JP2001155332A JP3843220B2 (en) | 2001-05-24 | 2001-05-24 | Cartridge heater with thermal fuse |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1444419A CN1444419A (en) | 2003-09-24 |
| CN1282394C true CN1282394C (en) | 2006-10-25 |
Family
ID=18999545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02120361 Expired - Lifetime CN1282394C (en) | 2001-05-24 | 2002-05-23 | Cylinder type heater with temp. safety pipe |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP3843220B2 (en) |
| CN (1) | CN1282394C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005317268A (en) * | 2004-04-27 | 2005-11-10 | Nippon Dennetsu Co Ltd | Electric heater |
| JP2008192436A (en) * | 2007-02-05 | 2008-08-21 | Sumitomo Metal Mining Co Ltd | Thermal fuse for temperature-rising heater |
| KR101497655B1 (en) * | 2014-06-18 | 2015-02-27 | 인지컨트롤스 주식회사 | Cartridge heater for thermostat and manufacturing method in the same |
| KR101508724B1 (en) * | 2015-01-09 | 2015-04-14 | 김기경 | Immersion heater and manufacturing process of the same |
-
2001
- 2001-05-24 JP JP2001155332A patent/JP3843220B2/en not_active Expired - Lifetime
-
2002
- 2002-05-23 CN CN 02120361 patent/CN1282394C/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CN1444419A (en) | 2003-09-24 |
| JP3843220B2 (en) | 2006-11-08 |
| JP2002352937A (en) | 2002-12-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NK POWER CO., LTD. Free format text: FORMER OWNER: NORITSU KOKI CO. LTD. |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20110707 Address after: Nagano Co-patentee after: Noritsu Koki Co., Ltd. Patentee after: Nippon Electric Heating Co., Ltd. Address before: Nagano Co-patentee before: Noritsu Koki Co., Ltd. Patentee before: Nippon Electric Heating Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20061025 |
|
| CX01 | Expiry of patent term |