CN201242989Y - Heat protective switch component and electric heating tube device embedded with the same - Google Patents
Heat protective switch component and electric heating tube device embedded with the same Download PDFInfo
- Publication number
- CN201242989Y CN201242989Y CNU2008201263790U CN200820126379U CN201242989Y CN 201242989 Y CN201242989 Y CN 201242989Y CN U2008201263790 U CNU2008201263790 U CN U2008201263790U CN 200820126379 U CN200820126379 U CN 200820126379U CN 201242989 Y CN201242989 Y CN 201242989Y
- Authority
- CN
- China
- Prior art keywords
- mentioned
- switch assembly
- heating tube
- heat portective
- hollow sleeve
- 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
Links
Images
Landscapes
- Resistance Heating (AREA)
Abstract
The utility model provides a thermal protection switch assembly capable of ensuring the fusing and an electric heating pipe device in which the thermal protection switch assembly is arranged. The electric heating pipe device in which the thermal protection switch assembly is arranged comprises a heating pipe, the thermal protection switch assembly, a heating cord, an insulating medium and a leading-out bar. The electric heating pipe device is characterized in that: the device is provided with connecting pieces (6, 7); the thermal protection switch assembly is arranged on one end or two ends or any axle center position in the middle in the heating pipe; the thermal protection switch assembly is electrically connected with one end of the heating cord by the connecting pieces (6, 7) and is electrically connected with the leading-out bar by the other end of the heating cord, or is electrically connected with the leading-out bar in a direct manner; the insulating medium is filled in a space formed between the outer part of the thermal protection switch assembly and the heating pipe.
Description
Technical field
The utility model relate to a kind of electric heating with the heat portective switch assembly and in established the electric heating tube device of this heat portective switch assembly, be applicable on the gas/liquid body heating electric appliances and use, be specially adapted in the high power electrothermal utensil such as air-conditioning/electric heater.
Background technology
Nowadays; in electrical equipment such as family expenses air-conditioning (auxilliary pattern of fever), warm-air drier, electric heater; for preventing that electrothermal component from causing the heater dry combustion method situation of serious accident to occur at work; simultaneously for fear of installation and maintenance personnel's violation operation (short circuit or substitute in violation of rules and regulations etc.); the perhaps waterproof and dampproof hidden danger that waits secure context tends to thermal cut-off and thermostat (below be referred to as the heat portective switch assembly) are arranged on the inside of electric heating tube.But; the structure of existing built-in thermal cut-off electrothermal tube is because built-in thermal cut-off can not pass through special calendering (rubbing and pressure) technology of electrothermal tube; heat portective switch assembly (thermal cut-off or thermostat) can only be arranged at the position, next door after the pipe calendering is handled; can not as required the heat portective switch assembly be arranged on the optional position, also exist many deficiencies aspect installation, the processing characteristics in addition.
Disclose a kind of electric heating tube of built-in thermal cut-off in No. 2563880, the patent documentation CN bulletin, but this electric heating tube is owing to can stand the electrothermal tube calendering technology, therefore exist built-in thermal cut-off easily break inefficacy, do not reach the possibility of the purpose of fuse protection.
Summary of the invention
The utility model is exactly the problems referred to above that produce in view of present electrothermal tube, purpose be to provide a kind of can guarantee the heat portective switch assembly that fuses and can stop artificial operate against regulations make the heat portective switch assembly can not guarantee to finish overtemperature protection and overcome secure context such as water/moisture resistant finish problem in establish the electric heating tube device of this heat portective switch assembly.
In order to achieve the above object, the 1st scheme of the present utility model is a kind of heat portective switch assembly, has fusible alloy silk and hollow sleeve connector, fusible alloy silk and hollow sleeve connector by for example weld, push, multiple mode such as riveted joint firmly is connected.The fusible alloy silk can adopt multiple structure, for example linear, S shape, V-arrangement, arc and helical structure.
If adopt the heat portective switch assembly of this structure, owing to be provided with the hollow sleeve connector, therefore the liquid fusible alloy of fusing can flow in the cavity of hollow sleeve connector, can guarantee that the fusible alloy silk was both molten and disconnected; And because the fusible alloy silk firmly is connected with the hollow sleeve connector, the fusible alloy silk is easily deformable, therefore adds in calendering to be not easy man-hour to be broken.
The 2nd scheme of the present utility model is a kind of electric heating tube device that comprises heating tube, heating wire, dielectric and eduction rod, it is characterized in that: the heat portective switch assembly with the 1st scheme; The heat portective switch assembly is arranged on arbitrary shaft core position of interior one or both ends of heating tube or centre, this heat portective switch assembly is electrically connected by an end of connector and heating wire, the other end and eduction rod by heating wire is electrically connected again, and perhaps direct and eduction rod is electrically connected; Dielectric is filled in the space that forms between the outside of heat portective switch assembly and the heating tube.
If adopt this structure in establish the electric heating tube of heat portective switch assembly; because the heat portective switch assembly is sealed in the inside of electrothermal tube fully, therefore can stops artificial operation against rules the against regulations and make the heat portective switch assembly can not guarantee to finish overtemperature protection and overcome the problem of secure context such as water/moisture resistant finish.
And the heat portective switch assembly firmly is connected with connector or eduction rod by the hollow sleeve connector, leaves certain space in the hollow sleeve connector.
Hollow sleeve connector and connector or eduction rod firmly are connected by for example welding, interference fit, mode such as be threaded in the electric heating tube device of the present utility model.
If adopt this structure, owing to leave certain space in the hollow sleeve connector, therefore the liquid fusible alloy of fusing can flow in the cavity of hollow sleeve connector, can guarantee that the fusible alloy silk was both molten and disconnected, prevent the dry combustion method of heating wire, the generation of stopping serious accidents such as fire.And because the fusible alloy silk firmly is connected with connector or eduction rod with hollow sleeve connector, hollow sleeve connector; therefore can bear the heat portective switch assembly is placed on and roll the bigger active force that adds man-hour in the heating tube; the situation that can occur throwing off not, and can guarantee to be electrically connected solid and reliable.
The heat portective switch assembly that is arranged on the heating tube two ends in the electric heating tube device of the present utility model can be the fuse of two different melting points temperature.
If adopt this structure, can reach the purpose of multistage overtemperature protection.
Description of drawings
Fig. 1 is a kind of structure cross-sectional schematic of the present utility model (the middle hollow sleeve cast heat portective switch assembly of placing).
Fig. 2 is the intermediate structure enlarged drawing of Fig. 1.
Fig. 3 is a kind of heat portective switch assembly schematic diagram of the present utility model (the easy fuse of linear).
Fig. 4 is an another kind of heat portective switch assembly schematic diagram of the present utility model (the easy fuse of S shape).
Fig. 5 is another kind of structure cross-sectional schematic of the present utility model (the hollow sleeve cast heat portective switch assembly that an end is placed).
Fig. 6 is another structure cross-sectional schematic of the present utility model (the hollow sleeve cast heat portective switch assembly that place at two ends).
Fig. 7 is the right-hand member structure enlarged drawing of Fig. 5 or Fig. 6.
Embodiment
(example 1)
Fig. 1 is the structure cross-sectional schematic of the electric heating tube device of expression the 1st example of the present utility model.Shown in Figure 2 as Fig. 1 and corresponding amplification, the electric heating tube device of the 1st example of the present utility model is made of heating tube 1, heat portective switch assembly 2-0, dielectric 3, eduction rod 4, heating wire 5, connector 6, connector 7, heating wire 8 and eduction rod 9.
As shown in Figure 3; above-mentioned heat portective switch assembly 2-0 is made up of fusible alloy silk 2-1, hollow sleeve connector 2-2 and hollow sleeve connector 2-3; wherein above-mentioned fusible alloy silk 2-1 can firmly be connected with multiple modes such as welding, extruding, riveted joints with above-mentioned hollow sleeve connector 2-3 with above-mentioned hollow sleeve connector 2-2, reserves certain space at above-mentioned hollow sleeve connector 2-2 and above-mentioned hollow sleeve connector 2-3.Above-mentioned hollow sleeve connector 2-2 and hollow sleeve connector 2-3 can be one of them, also can be two.When the electrothermal tube level of approximation is placed, two hollow sleeve connectors need be set, guarantee that the easy fuse of fusion flows to lower space; When the electrothermal tube near normal is placed, the above-mentioned hollow sleeve connector in lower end can only be set, the other end is established connector and above-mentioned heat portective switch assembly and above-mentioned heating wire or above-mentioned eduction rod firmly are electrically connected are got final product.
The assembling process of above-mentioned electric heating tube device is: above-mentioned heat portective switch assembly 2-0 two ends firmly are connected with above-mentioned connector 6,7 by above-mentioned hollow sleeve connector 2-2,2-3.Firmly welding is fixing with above-mentioned heating wire 5,8 respectively for above-mentioned connector 6,7.Above-mentioned eduction rod 4,9 respectively with above-mentioned heating wire 5,8 firmly welding fixing after, forms a global facility, be encased in the above-mentioned heating tube 1, dielectric such as filling quartz sand and with after the whole electrothermal tube calendering processing forms a whole electric heating tube device.
As amplify shown in Figure 4; fusible alloy silk 2-1 among the heat portective switch assembly 2-0 that the electric heating tube device of the 1st example of the present utility model comprises can adopt multiple structure, as the linear of Fig. 2, and S shape structure shown in Figure 4; other can also have V-arrangement, arc and helical structure.Its main purpose is to prevent that when the pipe calendering technology is handled fusible alloy silk 2-1 is squeezed and does not have the distance of making a concession or space and cause disconnecting the situation of inefficacy.
In this example, above-mentioned heat portective switch assembly 2-0 can be placed on the arbitrary position in the middle of the above-mentioned electric heating tube, and above-mentioned heat portective switch assembly 2-0 obtains the protection of above-mentioned heating tube 1, and finishes the effect of effective fusing when temperature anomaly.
(example 2)
Fig. 5 is the structure cross-sectional schematic of the electric heating tube device of expression the 2nd example of the present utility model.The electric heating tube device of the 2nd example of the present utility model shown in Figure 5 is made of heating tube 1, heat portective switch assembly 2-0, dielectric 3, eduction rod 4, heating wire 10, connector 6 and eduction rod 11; be with the difference of example shown in Figure 1; the position of heat portective switch assembly 2-0 has moved on to the end in the electrothermal tube by the centre in the electrothermal tube; other parts are identical with the structure of example shown in Figure 1; therefore add identical Reference numeral for the part of same structure, omit its explanation.Only describe below with regard to different places.
As shown in Figure 7, the above-mentioned hollow sleeve connector 2-3 among the above-mentioned heat portective switch assembly 2-0 directly is connected with above-mentioned eduction rod 11, reserves certain space in above-mentioned hollow sleeve connector 2-3; Above-mentioned hollow sleeve connector 2-2 among the above-mentioned heat portective switch assembly 2-0 still fixedly secures with above-mentioned connector 6, reserves certain space in above-mentioned hollow sleeve connector 2-2; And above-mentioned connector 6 is fixing with long above-mentioned heating wire 10 welding.The same with example 1, above-mentioned hollow sleeve connector 2-2 and hollow sleeve connector 2-3 can be one of them, also can be two.When the electrothermal tube level of approximation is placed, two hollow sleeve connectors need be set, guarantee that the easy fuse of fusion flows to lower space; When the electrothermal tube near normal is placed, the above-mentioned hollow sleeve connector in lower end can only be set, the other end is established connector and above-mentioned heat portective switch assembly and above-mentioned heating wire or above-mentioned eduction rod firmly are electrically connected are got final product.
In this example, above-mentioned heat portective switch assembly 2-0 can be placed on an end or the other end position of above-mentioned electric heating tube, and above-mentioned heat portective switch assembly 2-0 obtains the protection of above-mentioned heating tube 1, and finishes the effect of effective fusing when temperature anomaly.
(example 3)
Fig. 6 is the structure cross-sectional schematic of the electric heating tube device of expression the 3rd example of the present utility model.The difference of shown in Figure 6 example and example shown in Figure 5 only is to have increased a heat portective switch assembly 12-0.Other 26S Proteasome Structure and Function and example 2 shown in Figure 5 are basic identical, have effect and the effect identical with example 2.For the part identical with the 26S Proteasome Structure and Function of above-mentioned example 2, add identical Reference numeral, omit its detailed description.
In this example; above-mentioned heat portective switch assembly 2-0,12-0 are placed on the end positions of above-mentioned electric heating tube respectively; two heat portective switch assembly 2-0 and 12-0 in this example can be the fuses of two different temperatures striking points; reach multistage overtemperature protection; and realize built-in effective guarantee, and the function of water/moisture resistant finish.Above-mentioned heat portective switch assembly 2-0 and 12-0 obtain the protection of above-mentioned heating tube 1, and finish the effect of effective fusing when temperature anomaly.
Though below for example understand different examples of the present utility model, the utility model is not subjected to the restriction of above-mentioned example, in the scope that does not exceed additional claim and suitable order thereof, can carry out all changes.
The electric heating tube device of establishing the heat portective switch assembly in of the present utility model is adapted at using on the gas/liquid body heating electric appliances, is specially adapted in the high power electrothermal utensil such as air-conditioning/electric heater.
(comparative example)
The applicant puts into pipe and has carried out heat run being provided with the hollow sleeve connector and the hollow sleeve connector not being set, solder stick directly is connected with the two ends heating wire.Result such as table 1.
As can be seen from Table 1,5#, 6# pipe is owing to adopt the mode of middle solder stick+two hollow sleeve, fusing in about 4～5 minutes when the blowing-out dry combustion method; And 7# pipe is not owing to there is hollow sleeve,, still can not fuse when the outer tube temperature of solder stick has reached 455 ℃ after 20 minutes in blowing-out, solder stick fusing fully is described, but owing to the space that does not have to flow, solder stick is molten and continuous, so electrothermal tube does not cut off the power supply all the time.
Table 1 test data sheet (following heat portective switch test specimen all is placed on the centre position)
Claims (6)
1. heat portective switch assembly is characterized in that: have fusible alloy silk and hollow sleeve connector, above-mentioned fusible alloy silk and above-mentioned hollow sleeve connector by for example weld, push, multiple mode such as riveted joint firmly is connected.
2. heat portective switch assembly as claimed in claim 1 is characterized in that: above-mentioned fusible alloy silk can adopt multiple structure, for example linear, S shape, V-arrangement, arc and helical structure.
3. an electric heating tube device comprises heating tube, heating wire, dielectric and eduction rod, it is characterized in that: have claim 1 or 2 described heat portective switch assemblies; Above-mentioned heat portective switch assembly is arranged on arbitrary shaft core position of interior one or both ends of above-mentioned heating tube or centre, this heat portective switch assembly is electrically connected by an end of connector and above-mentioned heating wire, the other end and above-mentioned eduction rod by above-mentioned heating wire is electrically connected again, perhaps directly is electrically connected with above-mentioned eduction rod; Above-mentioned dielectric is filled in the space that forms between the outside of above-mentioned heat portective switch assembly and the above-mentioned heating tube.
4. electric heating tube device as claimed in claim 3 is characterized in that: above-mentioned protection switch assembly firmly is connected with above-mentioned connector or above-mentioned eduction rod by above-mentioned hollow sleeve connector, leaves certain space in the hollow sleeve connector.
5. as claim 3 or 4 described electric heating tube devices, it is characterized in that: above-mentioned hollow sleeve connector and above-mentioned connector or above-mentioned eduction rod firmly are connected by for example welding, interference fit, mode such as be threaded.
6. electric heating tube device as claimed in claim 3 is characterized in that: the fuse that the above-mentioned heat portective switch assembly that is arranged on above-mentioned heating tube two ends can be two different melting points temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201263790U CN201242989Y (en) | 2008-07-04 | 2008-07-04 | Heat protective switch component and electric heating tube device embedded with the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201263790U CN201242989Y (en) | 2008-07-04 | 2008-07-04 | Heat protective switch component and electric heating tube device embedded with the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201242989Y true CN201242989Y (en) | 2009-05-20 |
Family
ID=40716279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201263790U Expired - Fee Related CN201242989Y (en) | 2008-07-04 | 2008-07-04 | Heat protective switch component and electric heating tube device embedded with the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201242989Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102905403A (en) * | 2011-07-26 | 2013-01-30 | 东莞市恒越实业有限公司 | Efficient and energy-saving externally-hanging-type heating system |
-
2008
- 2008-07-04 CN CNU2008201263790U patent/CN201242989Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102905403A (en) * | 2011-07-26 | 2013-01-30 | 东莞市恒越实业有限公司 | Efficient and energy-saving externally-hanging-type heating system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103109340B (en) | Dynamo-electric overtemperature prote element | |
| WO2008121699A3 (en) | Hot melt adhesive hose assembly with thermal fuse link | |
| JP6293095B2 (en) | Airtight terminal with fuse | |
| CN201242989Y (en) | Heat protective switch component and electric heating tube device embedded with the same | |
| CN103985598A (en) | Two-path output manual outage reset temperature controlled switch | |
| CN201374826Y (en) | Electric heating tube device internally provided with thermal protection switch component | |
| CN201036098Y (en) | Superheating protection piezoresistor | |
| KR200473211Y1 (en) | Heat prevention cable | |
| CN203799960U (en) | Temperature controllable protective tube | |
| CN202759602U (en) | Electric heating pipe with built-in thermal link | |
| CN103036204B (en) | Dual-mode type automatic triggering fireproof protection device for photovoltaic combiner box | |
| CN102427619B (en) | Carbon-fiber electric auxiliary heat exchanger of air conditioner | |
| CN104202854A (en) | Electric heating device with double built-in overheating protection devices | |
| CN201011649Y (en) | Three-phase compressor built-in protector | |
| CN202353835U (en) | Built-in fuse-type electric heating tube | |
| CN103384419A (en) | Self-fusing protecting electric heating device and protecting method thereof | |
| CN203415528U (en) | High voltage resistant temperature fuse suitable for high-voltage electric appliance product | |
| CN201302931Y (en) | Capacitor with temperature protection function | |
| CN202274186U (en) | Fuse structure of electric faucet | |
| CN204090176U (en) | A kind of electrothermal tube of built-in heat fuse | |
| CN202692439U (en) | Quartz glass electrical heated tube overheating protection device for fast boiling water machine | |
| CN201051613Y (en) | Heat activated arrester falling device | |
| CN104517790A (en) | Special fuse for ozone generators | |
| CN105591253A (en) | Plug and socket having fireproof protection apparatus | |
| CN204045533U (en) | A kind of built-in type hot melt breaks device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090520 Termination date: 20120704 |