CN107371280A - A kind of electric heater with temp probe - Google Patents
A kind of electric heater with temp probe Download PDFInfo
- Publication number
- CN107371280A CN107371280A CN201710781740.7A CN201710781740A CN107371280A CN 107371280 A CN107371280 A CN 107371280A CN 201710781740 A CN201710781740 A CN 201710781740A CN 107371280 A CN107371280 A CN 107371280A
- Authority
- CN
- China
- Prior art keywords
- temp probe
- temperature
- filler
- wire
- control device
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B1/00—Details of electric heating devices
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
Landscapes
- Control Of Resistance Heating (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a kind of electric heater with temp probe, including body, heating wire, electrothermal tube to draw rod, filler, temp probe, wire and external control devices.Draw rod with electrothermal tube respectively and be connected in heating wire both ends, electrothermal tube draws the outside that rod is located at body both ends, heating wire is located at tubular body, filler is filled between heating wire and body, the temp probe of filler temperature can be detected by being placed with filler, wire one end is connected with temp probe, and the other end is connected with control device.Present invention is mainly used for the field of electric heating tube application, due to being provided with temp probe, the temperature of electric heating tube inner stuffing can be detected, so as to obtain the temperature of heating wire, heating wire fuses caused by effectively preventing heating wire temperature too high, improves the service life of electric heater.
Description
Technical field
In the application heated the present invention relates to needs, especially suitable for using in electrically heated application field.
Background technology
Electric heater concrete structure is compact, it is easy to use the characteristics of, be widely used in life and industry in.Using
Electric heater is in heating process, and electrical heating wire releases amount of heat in the case of energization, and heating wire temperature can reach more than 1000
Degree, conventional heating wire fusing point is mostly 1500 DEG C on the market.Electric heater is likely to result in electrical heating wire temperature in improper use
Degree exceedes its fusing point, and the fusing of heating wire is irreversibility, once damage will cause electric heater not to be continuing with.
The content of the invention
Electric heater of the present invention with temp probe solves above-mentioned problem well, extends the use of electric heater
Life-span.
The present invention is provided with temp probe in the inside of electric heater, and one end of temp probe is connected with wire, and wire will
The temperature signal that temp probe detects is delivered in the control device outside electric heater, and electric heater is used so as to play
During temperature controlled purpose.
Pipe inner stuffing employed in the present invention is magnesia powder, has good heat conductivility so that filler
Temperature of the temperature close to heating wire.
Temp probe high temperature resistant employed in invention, is placed in filler, is popped one's head in for contact temperature, can be exactly
Measure the temperature of filler.
External control devices in the present invention carries out the control of contactor according to the temperature detected.When temperature exceedes control
After the temperature of control equipment setting, cut-offing instruction is communicated to heating line by control device, and the heating circuit of heating wire disconnects, electric heating
Silk temperature is begun to decline, and reaches the protection purpose to heating wire.
The benefit that the present invention has is as follows：The 1st, temp probe is installed in body, the temperature of filler can be examined
Survey.
2nd, the control device outside body stores the safe handling temperature upper limit of heating wire.
3rd, when the temperature that temp probe detects is higher than the safe temperature of heating wire, control device order electric-heating-wire-heating
Circuit disconnects, and electric heater is stopped, heating wire is played a protective role.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
In figure：1- bodys, 2- heating wire, 3- electric heating draw rod, 4- fillers, 5- temp probes, 6- wires, 7- control devices
Embodiment
As shown in figure 1, the present invention includes body 1, there is heating wire 2 in body, the both ends of heating wire 2 are drawn by the electric heating of connection
Rod 3 is connected with external heat circuit, and magnesia powder filler 4 is also filled with body 1, and temp probe 5 is placed in filler 4,
The one end of wire 6 is connected with temp probe 5, and the other end is connected with the control device 7 outside body 1.
At work, the heating wire 2 in body 1 produces heat to electric heater under the function of current, and heat passes through in body 1
The filler 4 of filling is to surrounding transmission, and the temp probe 5 in filler 4 is detected the temperature of filler 4, wire 6
The temperature data detected is transported in external control devices 7；When the temperature of heating wire is less than the temperature of the setting of control device 7
When, i.e., when the temperature that temp probe 5 detects is less than the temperature that control device 7 is set, control device 7 is sent to electrical heating wire and returned
The order on road is normal work；When the temperature that temp probe 5 detects is higher than the temperature that control device 7 is set, control device 7
Detect that temperature higher than the protection value set, the heating circuit of heating wire 2 is disconnected, prevents temperature from exceeding the fusing temperature of heating wire
Degree, plays a protective role to heating wire, extends the life-span of electric heater.
Claims (8)
1. rod and control device are drawn in the electrical heating that the electric heating tube of the present invention is mainly included outside body, and positioned at body
Heating wire, filler, temp probe, the wire of inside.
2. the invention is characterised by being located at tubular body positioned at temp probe, probe surrounding, which is covered with, filler, wire one
End is connected with temp probe, the other end is connected with the control device of outside.
3. a kind of electric heater with temp probe according to claim 1, it is characterised in that used temperature is visited
Head is located at tubular body, and surrounding is filled with filler.
4. temp probe according to claim 2, it is characterised in that its species is popped one's head in for contact temperature, high temperature resistant.
5. a kind of electric heater with temp probe according to claim 1, it is characterised in that control device can connect
The temperature signal of wire transmission is received, and carries out control process.
6. control device according to claim 4, it is characterised in that control device is provided with the safe handling temperature of heating wire
Spend higher limit.
7. control device according to claim 4, it is characterised in that control device can play to electric-heating-wire-heating loop
The instruction control that circuit normal work or circuit disconnect.
8. filler according to claim 2, it is characterised in that used filler is magnesia powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710781740.7A CN107371280A (en) | 2017-09-05 | 2017-09-05 | A kind of electric heater with temp probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710781740.7A CN107371280A (en) | 2017-09-05 | 2017-09-05 | A kind of electric heater with temp probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107371280A true CN107371280A (en) | 2017-11-21 |
Family
ID=60311311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710781740.7A Pending CN107371280A (en) | 2017-09-05 | 2017-09-05 | A kind of electric heater with temp probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107371280A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2392333Y (en) * | 1999-09-17 | 2000-08-16 | 金坛华城电子有限公司 | Electric heating tube |
| JP2001124477A (en) * | 1999-10-25 | 2001-05-11 | Tounetsu Co Ltd | Tube heater for molten metal furnace |
| CN2446744Y (en) * | 2000-09-12 | 2001-09-05 | 浙江春晖集团公司 | Armoured electric heating component with built-in electric thermo-couple |
| EP2180759A1 (en) * | 2008-10-22 | 2010-04-28 | Türk + Hillinger GmbH | Electric heating device |
| CN201849678U (en) * | 2010-10-27 | 2011-06-01 | 合肥三冠机电设备有限公司 | Constant-temperature heating system in packing machine |
| CN203642316U (en) * | 2013-11-12 | 2014-06-11 | 成都科盛石油科技有限公司 | Heater for camping room |
| CN205902112U (en) * | 2016-08-08 | 2017-01-18 | 无锡恒业电热电器有限公司 | Electric heating pipe of built -in temperature measurement structure |
-
2017
- 2017-09-05 CN CN201710781740.7A patent/CN107371280A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2392333Y (en) * | 1999-09-17 | 2000-08-16 | 金坛华城电子有限公司 | Electric heating tube |
| JP2001124477A (en) * | 1999-10-25 | 2001-05-11 | Tounetsu Co Ltd | Tube heater for molten metal furnace |
| CN2446744Y (en) * | 2000-09-12 | 2001-09-05 | 浙江春晖集团公司 | Armoured electric heating component with built-in electric thermo-couple |
| EP2180759A1 (en) * | 2008-10-22 | 2010-04-28 | Türk + Hillinger GmbH | Electric heating device |
| CN201849678U (en) * | 2010-10-27 | 2011-06-01 | 合肥三冠机电设备有限公司 | Constant-temperature heating system in packing machine |
| CN203642316U (en) * | 2013-11-12 | 2014-06-11 | 成都科盛石油科技有限公司 | Heater for camping room |
| CN205902112U (en) * | 2016-08-08 | 2017-01-18 | 无锡恒业电热电器有限公司 | Electric heating pipe of built -in temperature measurement structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171121 |