CN202675436U - Closed-loop liquid-filled circulation electric heater with temperature sensing device - Google Patents
Closed-loop liquid-filled circulation electric heater with temperature sensing device Download PDFInfo
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- CN202675436U CN202675436U CN 201220208650 CN201220208650U CN202675436U CN 202675436 U CN202675436 U CN 202675436U CN 201220208650 CN201220208650 CN 201220208650 CN 201220208650 U CN201220208650 U CN 201220208650U CN 202675436 U CN202675436 U CN 202675436U
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- sensing device
- temperature sensing
- temperature
- electric heater
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Abstract
The utility model discloses a closed-loop liquid-filled circulation electric heater with a temperature sensing device. The closed-loop liquid-filled circulation electric heater with the temperature sensing device comprises an electric heating group composed of heat exchanging blades, each blade is filled with heat conducting liquid, an electric heating tube is arranged inside the lower portion of the electric heating group, the electric heating tube is fixedly mounted on a flange, a sealed tube is further connected to the flange, the temperature sensing device is arranged inside the sealed tube, and a clearance is arranged between the sealed tube and the electric heating tube. According to the closed-loop liquid-filled circulation electric heater with the temperature sensing device, a temperature probe of the temperature sensing device is directly placed deep into an inside liquid temperature area, temperature data can be collected more accurately, and the working time of the product is shortened; and since a thermal fuse is arranged inside the temperature sensing device, good power-off protection effect on a circuit is achieved, and unnecessary accidents are prevented from happening.
Description
Technical field
The utility model relates to a kind of electric heater, particularly a kind of loop circuit topping up cycle electric heater with temperature sensing device.
Background technology
Present loop circuit topping up cycle electric heater on the market; comprise the warm group of the electricity that is formed by several heat-exchanger fins that is interconnected; be perfused with conductive fluid in the blade; the inner below of the warm group of electricity is provided with electrothermal tube; the surface of electrothermal tube and conductive fluid are carried out thermal energy exchange; the contact of temperature indicating device directly is connected on the housing; realize feedback and the control of temperature by the thermotonus on the surface of shell; because the thermal loss between the impact of ambient temperature and the conduction of object heat; can accurately not react the liquid temperature in the electric heating tube; make whole equipment be in a kind of use state without safeguard protection; blind area in the actual use and certain danger have been caused; not only waste the energy, and the heating effect that does not reach, thereby also directly had influence on the practicality of whole product.
Summary of the invention
In order to overcome the deficiencies in the prior art, the utility model provides a kind of loop circuit topping up cycle electric heater with temperature sensing device.
The technical scheme that the utility model adopts is:
A kind of loop circuit topping up cycle electric heater with temperature sensing device, comprise the warm group of the electricity that is formed by heat-exchanger fin, be marked with conductive fluid in the blade, the inner below of the warm group of electricity is provided with electrothermal tube, described electrothermal tube is fixedly mounted on the flange, also be connected with sealed tube on the described flange, be provided with temperature sensing device in the described sealed tube, have the gap between described sealed tube and the electrothermal tube.
As improvement of the technical scheme, described temperature sensing device comprises housing, and described housing is fixed on the flange, described housing is connected with temperature-sensing probe, described temperature-sensing probe is placed in the sealed tube, can collect more accurately inner temperature information, is not subjected to other heat effects.
As improvement of the technical scheme, described temperature-sensing probe lies in a horizontal plane in the hollow position of sealed tube inside, and horizontal positioned can make probe fully contact with the thermal source air of inside.
As improvement of the technical scheme, be provided with thermal cut-off in the described temperature sensing device, thermal cut-off can play the protection of overcurrent-overvoltage, thereby whole product is played a protective role.
As improvement of the technical scheme, described thermal cut-off comprises metal shell, described metal shell left end is provided with the left side lead-in wire, described left side lead-in wire passes porcelain tube and is connecting moving contact, described moving contact is connected with spring, described spring is connected with the organic matter fusable links, and described organic matter fusable links is connecting the right side lead-in wire.
The beneficial effects of the utility model are: this product gos deep into inner liquid temperature district by direct temperature-sensing probe with temperature sensing device, can grasp more accurately the temperature difference, has shortened the working time of product, has saved the energy.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is electric heater unit structural representation of the present utility model;
Fig. 3 is temp sensor device schematic diagram of the present utility model;
Fig. 4 is the structural representation of thermal cut-off of the present utility model.
The specific embodiment
With reference to Fig. 1, Fig. 2.A kind of loop circuit topping up cycle electric heater with temperature sensing device, comprise the warm group 1 of the electricity that is formed by heat-exchanger fin 11, be marked with conductive fluid 2 in the blade 11, the warm group of electricity 1 inner below is provided with electrothermal tube 3, described electrothermal tube 3 is fixedly mounted on the flange 6, also be connected with sealed tube 7 on the described flange 6, be provided with temperature sensing device 4 in the described sealed tube 7, has the gap between described sealed tube 7 and the electrothermal tube 3, described temperature sensing device 4 comprises housing 41, described housing 41 is connected with temperature-sensing probe 42, described temperature-sensing probe 42 lies in a horizontal plane in the hollow position of sealed tube 7 inside, temperature-sensing probe 42 can be felt the heat conduction liquid temperature of coming by sealed tube 7 conduction effectively, because have the gap between described sealed tube 7 and the electrothermal tube 6, the heating-up temperature of described electrothermal tube 3 just can not have influence on the temperature data acquisition of temp sensor device 4, because temperature sensing device 4 is arranged on sealed tube 7 inside, so that temperature-sensing probe 42 can directly enter inner conductive fluid warm area, the temperature factor such as scatter and disappear needn't be considered in the impact of ambient temperature or the heat transfer process, temperature data can be accurately collected.
With reference to Fig. 3, Fig. 4.Be provided with thermal cut-off 5 in the described temperature sensing device 4, described thermal cut-off 5 comprises metal shell 51, described metal shell 51 left ends are provided with left side lead-in wire 52, described left side lead-in wire 52 passes porcelain tube 53 and is connecting moving contact 54, described moving contact 54 is connected with spring 55, described spring 55 is connected with fusable links 56, and described organic matter fusable links 56 is connecting right side lead-in wire 57.After electric heater starts, electric heating tube 3 begins heating, electric current flows to moving contact 54 from left side lead-in wire 52, go between to the right by metal shell 51 and 57 to flow, organic matter fusable links 56 fusings when externally liquid temp reaches predetermined temperature, spring 55 can fluff, be that spring 55 expands, moving contact 54 separates with left side lead-in wire 52, and the loop is opened, and moving contact 54 and left side 52 electric currents of lead-in wire are cut off, at this moment circuit heating tube 3 quits work, along with temperature reduction is slowly got off, organic matter fusable links 56 is also solidified thereupon again, and at this moment spring 55 can be compressed, at this moment moving contact 54 links together again with left side lead-in wire 52, electric current flows to right side lead-in wire 57 from left side lead-in wire 52, and electrothermal tube 3 begins heating, and electric heater works on.
The above be the utility model preferred embodiment, it does not consist of the restriction to the utility model protection domain, so long as realize that with essentially identical means the purpose of this utility model all should belong to protection domain of the present utility model.
Claims (5)
1. loop circuit topping up cycle electric heater with temperature sensing device, comprise the warm group of electricity (1) that is formed by heat-exchanger fin (11), be marked with conductive fluid (2) in the blade (11), the inner below of the warm group of electricity (1) is provided with electrothermal tube (3), it is characterized in that: described electrothermal tube (3) is fixedly mounted on the flange (6), also be connected with sealed tube (7) on the described flange (6), be provided with temperature sensing device (4) in the described sealed tube (7), have the gap between described sealed tube (7) and the electrothermal tube (3).
2. described a kind of loop circuit topping up cycle electric heater with temperature sensing device according to claim 1, it is characterized in that: described temperature sensing device (4) comprises housing (41), described housing (41) is fixed on the flange (6), described housing (41) is connected with temperature-sensing probe (42), and described temperature-sensing probe (42) is placed in the sealed tube (7).
3. described a kind of loop circuit topping up cycle electric heater with temperature sensing device according to claim 2, it is characterized in that: described temperature-sensing probe (42) lies in a horizontal plane in the inner hollow position of sealed tube (7).
4. described a kind of loop circuit topping up cycle electric heater with temperature sensing device according to claim 1 is characterized in that: be provided with thermal cut-off (5) in the described temperature sensing device (4).
5. a kind of loop circuit topping up cycle electric heater with temperature sensing device according to claim 4, it is characterized in that: described thermal cut-off (5) comprises metal shell (51), described metal shell (51) left end is provided with left side lead-in wire (52), described left side lead-in wire (52) passes porcelain tube (53) and is connecting moving contact (54), described moving contact (54) is connected with spring (55), described spring (55) is connected with organic matter fusable links (56), and described organic matter fusable links (56) is connecting right side lead-in wire (57).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220208650 CN202675436U (en) | 2012-05-10 | 2012-05-10 | Closed-loop liquid-filled circulation electric heater with temperature sensing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220208650 CN202675436U (en) | 2012-05-10 | 2012-05-10 | Closed-loop liquid-filled circulation electric heater with temperature sensing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202675436U true CN202675436U (en) | 2013-01-16 |
Family
ID=47496339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220208650 Expired - Fee Related CN202675436U (en) | 2012-05-10 | 2012-05-10 | Closed-loop liquid-filled circulation electric heater with temperature sensing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202675436U (en) |
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2012
- 2012-05-10 CN CN 201220208650 patent/CN202675436U/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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20140510 |