CN204594170U - Circulating air heated oven - Google Patents
Circulating air heated oven Download PDFInfo
- Publication number
- CN204594170U CN204594170U CN201520228743.4U CN201520228743U CN204594170U CN 204594170 U CN204594170 U CN 204594170U CN 201520228743 U CN201520228743 U CN 201520228743U CN 204594170 U CN204594170 U CN 204594170U
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- CN
- China
- Prior art keywords
- fan
- electric furnace
- heating wire
- heat
- thermal
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- 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
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Abstract
Circulating air heated oven, comprise thermal-insulating body and the electric furnace heating wire being layed in bottom half, fan is provided with in the thermal-insulating body of electric furnace heating wire side along the axis direction of electric furnace heating wire, its fan shaft is connected to the drive motors outside thermal-insulating body, the bottom of described thermal-insulating body is also provided with the heat tunnel surrounded by thermal insulation board and incubator inwall, and fan and electric furnace heating wire are arranged in heat tunnel; Also be provided with by two pieces of adjacent board putting things or " N " font heat donor passage of being surrounded by board putting things and incubator inwall above described heat tunnel, and one end of heat donor passage is communicated with the air draught side of the fan in heat tunnel, the other end is communicated with the end of heat tunnel away from fan, the utility model can by the baking oven of the flowing homogeneous heating sample of hot-air, after baking oven put into by sample, without the need to exchanging the position of each layer sample, reduce the probability that sample irons people.
Description
technical field:
The utility model relates to a kind of baking oven, particularly a kind of circulating air heated oven.
background technology:
The mode of heating of current lab oven places electric furnace heating wire in bottom, directly heats sample, and in order to save electric energy, meeting placement of multiple layers pallet or dividing plate in case, heats after sample is set together usually; But this mode of heating heating is uneven, and the sample near electric furnace heating wire may heat transition, and also heating-up temperature may not reach requirement away from the sample of heater strip; The method of usual solution be sample in the process of heating frequently by each layer sample switch, in the process of switch, not only waste muscle power, and add the probability that sample irons people.
summary of the invention:
The technical problems to be solved in the utility model is to provide a kind of circulating air heated oven, the baking oven of the uniform heated sample of flowing of hot-air can be passed through, after baking oven put into by sample, without the need to exchanging the position of each layer sample, save muscle power, reduce the probability that sample irons people.
In order to solve the problem, the technical solution of the utility model is:
Circulating air heated oven, comprise thermal-insulating body and the electric furnace heating wire being layed in bottom half, fan is provided with in the thermal-insulating body of electric furnace heating wire side along the axis direction of electric furnace heating wire, its fan shaft is connected to the drive motors outside thermal-insulating body, the bottom of described thermal-insulating body is also provided with the heat tunnel surrounded by thermal insulation board and incubator inwall, and fan and electric furnace heating wire are arranged in heat tunnel; Also be provided with by two pieces of adjacent board putting things or " N " font heat donor passage of being surrounded by board putting things and incubator inwall above described heat tunnel, and one end of heat donor passage is communicated with the air draught side of the fan in heat tunnel, the other end is communicated with the end of heat tunnel away from fan.
Described board putting things is " N " font, and two ends below board putting things and be middlely also provided with three pieces of gripper shoes corresponding to board putting things shape.
The corner of described incubator inwall is fillet.
Described thermal insulation board central filler has heat-barrier material.
Technique effect of the present utility model is:
Thermal insulation board above its electric furnace heating wire has blocked the heat radiation of electric furnace heating wire for sample, avoid the direct heating of electric furnace heating wire to bottom sample, electric furnace heating wire after the fan arranged blows afloat heating and the hot blast that produces are along heat tunnel, hot blast is assigned in " N " font heat donor passage upwards uniformly, after heat in absorption of sample heat donor passage, under the effect of air-flow, hot blast is pushed to the air draught side of fan by heat donor passage, produce an interior hot air circulation, the Method compare that the mode of this Hot-blast Heating heating heats relative to direct electric furnace heating wire gets up, its sample is heated more even, this is because each board putting things becomes " N " shape, the shape of heat donor passage is made also to become " N " font accordingly, and then cause the shape of hot blast when flowing can be also " N " font along with the shape of passage, when its effect is that hot blast enters into heat donor passage, heat donor passage air port upwards, wind can be assigned to each heated passage uniformly, sample be heated more even, the air port of its air-out direction is downward, makes the air-out direction of heat donor passage downward, the air draught side being disposed to fan wind can calculated soon, the corner of incubator inwall is that fillet makes wind flow along fillet in the process of flowing, makes hot air circulation more smoothly, heat can not be converged relative to right angle.
accompanying drawing illustrates:
Below in conjunction with accompanying drawing, the utility model is described further:
Fig. 1 is plane structure chart of the present utility model;
Fig. 2 is hot wind flow directional diagram of the present utility model;
Fig. 3 is the partial enlarged drawing between the utility model board putting things and thermal insulation board
In figure: motor 1, thermal-insulating body 2, fan 3, electric furnace heating wire 4, thermal insulation board 5, board putting things 6, upper backup pad 7, lower supporting plate 8, heat tunnel 9, heat donor passage 10, air draught side 11.
detailed description of the invention:
As shown in the figures 1 and 2, circulating air heated oven, comprise incubator 2 body and the electric furnace heating wire 4 being layed in bottom half, fan 3 is provided with in incubator 2 body of electric furnace heating wire 4 side along the axis direction of electric furnace heating wire 4, its fan 3 is coupling in the external drive motors 1 of incubator 2, the bottom of described incubator 2 body is also provided with the heat tunnel 9 surrounded by thermal insulation board 5 and incubator 2 inwall, and fan 3 and electric furnace heating wire 4 are arranged in heat tunnel 9; Described heating is led to and is also provided with by two pieces of adjacent board putting things 6 or " N " font heat donor passage 10 of being surrounded by board putting things 6 and incubator 2 inwall, and one end of heat donor passage 10 is communicated with the air draught side 11 of the fan 3 in heat tunnel 9, the other end is communicated with the end of heat tunnel 9 away from fan 3;
Described board putting things 6 is " N " font steel plate, and two ends below board putting things 6 and be middlely also provided with three pieces of gripper shoes 7,8 corresponding to board putting things 6 shape;
Described gripper shoe 7,8 is fixedly connected on incubator 2 inwall;
The corner of described incubator 2 inwall is fillet;
Described thermal insulation board 5 central filler has asbestos, and on one end of fan 3, is provided with a projection at it, and this projection blocks one end of board putting things 6.
As shown in Figure 2, after electric furnace heating wire 4 heats, start the drive motors 1 that incubator 2 is external, fan 3 blows afloat electric furnace heating wire 4 and form hot blast in heat tunnel 9, then hot blast is upwards assigned in each heat donor passage 10 along incubator 2 inwall by hot blast uniformly, and after hot blast blows over sample heating, hot blast is blowing to fan 3 air draught side along incubator 2 inwall, form thermal cycle, and then the entirety of stove vivo sample is evenly heated up.
Claims (4)
1. circulating air heated oven, comprise thermal-insulating body (2) and be layed in the electric furnace heating wire (4) bottom casing (2), fan (3) is provided with in the thermal-insulating body (2) of electric furnace heating wire (4) side along the axis direction of electric furnace heating wire (4), its fan (3) is coupling in thermal-insulating body (2) drive motors outward (1), it is characterized in that: the bottom of described thermal-insulating body (2) is also provided with the heat tunnel (9) surrounded by thermal insulation board (5) and incubator inwall, and fan (3) and electric furnace heating wire (4) are arranged in heat tunnel (9); Described heat tunnel (9) is also provided with by two pieces of adjacent board putting things (6) or " N " font heat donor passage (10) of being surrounded by board putting things (6) and incubator inwall, and one end of heat donor passage (10) is communicated with the air draught side (11) of the fan (3) in heat tunnel (9), the other end is communicated with the end of heat tunnel (9) away from fan (3).
2. circulating air heated oven according to claim 1, is characterized in that: described board putting things (6) is " N " font, and board putting things (6) below two ends and centre be also provided with three pieces with the corresponding gripper shoe of board putting things (6) shape (7,8).
3. circulating air heated oven according to claim 1, is characterized in that: the corner of described thermal-insulating body (2) inwall is fillet.
4. circulating air heated oven according to claim 1, is characterized in that: described thermal insulation board (5) central filler has heat-barrier material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520228743.4U CN204594170U (en) | 2015-04-16 | 2015-04-16 | Circulating air heated oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520228743.4U CN204594170U (en) | 2015-04-16 | 2015-04-16 | Circulating air heated oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204594170U true CN204594170U (en) | 2015-08-26 |
Family
ID=53930316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520228743.4U Expired - Fee Related CN204594170U (en) | 2015-04-16 | 2015-04-16 | Circulating air heated oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204594170U (en) |
-
2015
- 2015-04-16 CN CN201520228743.4U patent/CN204594170U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150826 Termination date: 20190416 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |