CN210512395U - Drying oven for detecting thermal protector - Google Patents
Drying oven for detecting thermal protector Download PDFInfo
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- CN210512395U CN210512395U CN201921595533.3U CN201921595533U CN210512395U CN 210512395 U CN210512395 U CN 210512395U CN 201921595533 U CN201921595533 U CN 201921595533U CN 210512395 U CN210512395 U CN 210512395U
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- air supply
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- box
- thermal protector
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Abstract
The utility model discloses a thermal protector detects and uses oven, the power distribution box comprises a box body and a box door, the chamber door is articulated to be set up on the box openly, control panel sets up in box openly one side, be provided with the heating chamber in the box, form the left side wind channel that communicates each other between heating chamber outer wall and the box inner wall, the right side wind channel, top return air passageway and bottom wind channel, the air outlet has been seted up at the heating chamber top, the slope is provided with annular guide plate between air outlet and the heating chamber inside wall, the corresponding department of box inner wall and air outlet is provided with toper water conservancy diversion platform, top return air passageway internal fixation is provided with a plurality of circulating fan group, two circulating fan symmetries in every circulating fan group. The temperature uniformity of the equipment is higher, and the precision of the finished product of the tested thermal protector is effectively ensured.
Description
Technical Field
The utility model relates to a hot protector production facility technical field, concretely relates to hot protector detects and uses oven.
Background
The thermal protector is formed by combining two different alloys, generates heat after current flows through the two different alloys, and because the two different alloys have different thermal expansion coefficients, the alloys tend to bend towards one direction, the contact leaves, and the electricity is cut off, wherein the bending speed of the alloys is in direct proportion to the size of the current flowing through the alloys, so that electric equipment is protected, and the thermal protector is widely applied to household appliance motors and electric equipment.
A special oven is needed to test the temperature control point in the production process of the thermal protector. The heater of the existing oven for detecting the thermal protector is positioned at the bottom in the oven, hot air generated by the heater enters the heating cavity in the oven from the side surface, heat generated by the heater directly acts on the thermal protector in the heating cavity, the temperature of the leeward surface of the thermal protector is lower, the heating temperature is uneven, the detection requirement of the thermal protector cannot be met, and the precision of a finished product is influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem existing in the above-mentioned background art, the utility model aims to provide a hot protector detects uses oven, and its temperature homogeneity is higher, has effectively guaranteed the off-the-shelf precision of quilt survey hot protector.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an oven for detecting a thermal protector, which comprises a box body and a box door, wherein the box door is hinged on the front surface of the box body, a control panel is arranged on one side of the front surface of the box body, a heating cavity is arranged in the box body, a left air duct, a right air duct, a top return air channel and a bottom air duct which are mutually communicated are formed between the outer wall of the heating cavity and the inner wall of the box body, an air outlet is arranged at the top of the heating cavity, an annular guide plate is obliquely arranged between the air outlet and the inner wall of the heating cavity, a conical guide table is arranged at the position of the inner wall of the box body corresponding to the air outlet, a plurality of circulating fan sets are fixedly arranged in the top return air channel, two circulating fans in each circulating fan set are symmetrically arranged, the air supply opening is formed in the bottom of the heating cavity, an air blowing device is arranged in the bottom air channel and right opposite to the air supply opening, the air blowing device is communicated with the air supply opening through an air supply channel, the air supply channel is wide at the top and narrow at the bottom, an arc-shaped flow deflector is arranged on the inner side wall of the air supply channel, the opening of the arc-shaped flow deflector faces towards the air supply opening, and an air guide opening with the aperture gradually increased from the center to the edge is formed in the arc-shaped flow deflector.
The further improvement is that the top of the arc-shaped guide vane and the air supply outlet are positioned on the same horizontal plane, and the distance between the bottom of the arc-shaped guide vane and the air supply device is 1/2 of the height of the air supply channel. Through setting up the mounted position of arc water conservancy diversion piece, can guarantee that hot-blast arc water conservancy diversion piece in through the air supply passageway evenly enters into the heating chamber, also can not cause the influence to air-blast device's air supply simultaneously, guaranteed the sufficient of the hot-blast amount of wind that enters into the air supply passageway.
The improved structure of the air blower is characterized in that the air blower comprises a motor, fan blades and a wind collecting cover, the motor is arranged in the bottom air channel and opposite to the air supply outlet, the fan blades are installed at the top of an output shaft of the motor, and the wind collecting cover is located on the outer sides of the fan blades and the motor. The hot air in the left air duct and the right air duct is conveyed into the air supply channel in a centralized manner through the air collecting cover, and meanwhile, the stability of the fan blades in the rotating process is also ensured.
The further improvement is that the wind collecting cover is a pyramid table type hollow cover body.
The further improvement lies in that the number of the heating pipes is provided with a plurality of heating pipes, and the plurality of heating pipes are distributed in the left air duct and the right air duct at equal intervals. Sufficient heat is provided for the heating cavity through the heating pipe, and different numbers of heating pipes can be set according to actual needs so as to meet the requirement of heating temperature in the oven.
In a further improvement, the heating tube is a serpentine heating tube.
The further improvement is that the outer surface of the box body is provided with an insulating layer. Through setting up the heat preservation, prevent that inside heat from scattering and disappearing, improve heating efficiency, energy saving and consumption reduction.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model adopts the air supply mode from bottom to top in the heating cavity, hot air is circularly sent to the air outlet at the top through the air supply outlet at the bottom, the heating is uniform, the airflow can not flow disorderly, and the phenomenon that the temperature of the leeward side of the heat protector in the heating cavity is lower can not occur; the air supply channel is set to be wide at the top and narrow at the bottom, so that hot air flows in the left air channel and the right air channel can be conveniently collected, the hot air is not easy to run off, the arc-shaped flow deflector is arranged in the air supply channel, the hot air flows can be uniformly diffused into the heating cavity, and the heating dead angle in the oven is eliminated; through set up cyclic annular guide plate in air outlet department, be convenient for collect the heating intracavity wind flow to air outlet department fast, by the circulation fan department of conical water conservancy diversion platform reposition of redundant personnel to each side in the top return air passageway again, finally flow back to left side wind channel, right side wind channel in the heating pipe department heat, whole process has guaranteed the homogenization of air current.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic structural view of an oven for detecting a medium thermal protector according to the present invention;
fig. 2 is a schematic structural view of the hot protector detection oven of the present invention in the state that the oven door is opened;
FIG. 3 is a schematic view of the internal structure of the hot protector detection oven of the present invention;
FIG. 4 is a schematic structural view of the blower of the present invention;
fig. 5 is a schematic structural view of the arc-shaped guide vane of the present invention;
FIG. 6 is a top view structural diagram of the oven for detecting the middle heat protector of the present invention;
wherein, the specific reference numbers are: the air heating device comprises a box body 1, a box door 2, a control panel 3, a heating cavity 4, a left air duct 5, a right air duct 6, a heating pipe 7, a top air return channel 8, an air outlet 9, an annular guide plate 10, a conical guide table 11, a circulating fan 12, a bottom air duct 13, an air supply opening 14, an air blowing device 15, a motor 16, fan blades 17, an air collecting cover 18, an air supply channel 19, an arc-shaped guide sheet 20 and an air guide opening 21.
Detailed Description
The embodiment of the utility model discloses an oven for detecting a thermal protector, as shown in figures 1 and 2, comprising a box body 1 and a box door 2, wherein the box door 2 is hinged on the front surface of the box body 1, a control panel 3 is arranged on one side of the front surface of the box body 1, a heating cavity 4 is arranged in the box body 1, as shown in figures 3 and 6, a left air duct 5, a right air duct 6, a top return air duct 8 and a bottom air duct 13 which are mutually communicated are formed between the outer wall of the heating cavity 4 and the inner wall of the box body 1, an air outlet 9 is arranged at the top of the heating cavity 4, an annular guide plate 10 is obliquely arranged between the air outlet 9 and the inner wall of the heating cavity 4, a conical guide table 11 is arranged at the position of the inner wall of the box body 1 corresponding to the air outlet 9, a plurality of circulating fan sets are fixedly, heating pipe 7 is arranged between left air duct 5 and right air duct 6, air supply opening 14 is arranged at the bottom of heating chamber 4, air blowing device 15 is arranged at the position corresponding to air supply opening 14 in bottom air duct 13, air blowing device 15 is communicated with air supply opening 14 through air supply passage 19, air supply passage 19 is wide at the top and narrow at the bottom, arc-shaped flow deflector 20 is arranged on the inner side wall of air supply passage 19, the opening of arc-shaped flow deflector 20 faces air supply opening 14, and air guide opening 21 with gradually increased aperture is arranged at the edge from the center of arc-shaped flow deflector 20 (as shown in fig. 5).
When the hot air supply device is used, the air blowing device 15 supplies hot air into the heating cavity 4 through the air supply channel 19, the air supply channel 19 is arranged to be wide at the top and narrow at the bottom, so that the hot air in the left air duct 5 and the right air duct 6 can be collected conveniently, the hot air is not easy to run off, meanwhile, the hot air entering the air supply channel 19 can be diffused towards two sides, the arc-shaped flow deflector 20 is arranged in the air supply channel 19, the aperture of the air guide opening 21 on the arc-shaped flow deflector 20 is gradually increased from the center to the edge of the arc-shaped flow deflector 20, the hot air flow can be uniformly diffused into the heating cavity 4, the heating dead angle in the oven is eliminated, in order to further realize air supply uniformity, the hot air entering the heating cavity 4 acts on the thermal protector from bottom to top, the air flow in the heating cavity 4 is rapidly collected to the air outlet 9 through the annular flow deflector 10 arranged at the air outlet 9, and then, finally, the hot air flows back to the heating pipes 7 in the left air duct 5 and the right air duct 6 to be heated, so that the hot air is circularly sent to the air outlet 9 at the top through the air supply outlet 14 at the bottom, the heating is uniform, and the airflow cannot flow randomly.
The top of the arc-shaped flow deflector 20 and the air supply opening 14 are located on the same horizontal plane, and the distance between the bottom of the arc-shaped flow deflector 20 and the air blowing device 15 is 1/2 of the height of the air supply channel 19. Through setting up the mounted position to arc water conservancy diversion piece 20, can guarantee that hot-blast arc water conservancy diversion piece 20 through in the air supply passageway 19 evenly enters into heating chamber 4, also can not cause the influence to the air supply of air-blast device 15 simultaneously, has guaranteed to enter into the sufficient of the hot-blast amount of wind in the air supply passageway 19.
As shown in fig. 4, the blower 15 includes a motor 16, a fan blade 17, and a wind-collecting cover 18, the motor 16 is disposed in the bottom air duct 13 opposite to the air supply opening 14, the fan blade 17 is mounted on the top of the output shaft of the motor 16, the wind-collecting cover 18 is located outside the fan blade 17 and the motor 16, and the wind-collecting cover 18 is a pyramid table-type hollow cover. The hot air in the left air duct 5 and the right air duct 6 is intensively conveyed into the air supply channel 19 through the air collecting cover 18, and meanwhile, the stability of the fan blades 17 in the rotating process is also ensured.
Wherein, the quantity of heating pipe 7 is provided with a plurality ofly, and heating pipe 7 is preferred snakelike heating pipe 7, and a plurality of heating pipes 7 are equidistant to be distributed in left side wind channel 5 and right side wind channel 6. Sufficient heat is provided for the heating cavity 4 through the heating pipe 7, and different numbers of heating pipes can be set according to actual needs so as to meet the requirement of heating temperature in the oven.
Wherein, the outer surface of the box body 1 is provided with a heat preservation layer. Through setting up the heat preservation, prevent that inside heat from scattering and disappearing, improve heating efficiency, energy saving and consumption reduction.
It is right to have used specific individual example above the utility model discloses expound, only be used for helping to understand the utility model discloses, not be used for the restriction the utility model discloses. To the technical field of the utility model technical personnel, the foundation the utility model discloses an idea can also be made a plurality of simple deductions, warp or replacement.
Claims (7)
1. An oven for detecting a thermal protector is characterized by comprising a box body and a box door, wherein the box door is hinged on the front surface of the box body, a control panel is arranged on one side of the front surface of the box body, a heating cavity is arranged in the box body, a left air duct, a right air duct, a top air return channel and a bottom air duct which are mutually communicated are formed between the outer wall of the heating cavity and the inner wall of the box body, an air outlet is arranged at the top of the heating cavity, an annular guide plate is obliquely arranged between the air outlet and the inner wall of the heating cavity, a conical guide table is arranged at the position of the inner wall of the box body corresponding to the air outlet, a plurality of circulating fan sets are fixedly arranged in the top air return channel, two circulating fans in each circulating fan set are symmetrically arranged on two, the air supply opening is formed in the bottom of the heating cavity, an air blowing device is arranged in the bottom air channel and right opposite to the air supply opening, the air blowing device is communicated with the air supply opening through an air supply channel, the air supply channel is wide at the top and narrow at the bottom, an arc-shaped flow deflector is arranged on the inner side wall of the air supply channel, the opening of the arc-shaped flow deflector faces towards the air supply opening, and an air guide opening with the aperture gradually increased from the center to the edge is formed in the arc-shaped flow deflector.
2. The oven for thermal protector detection according to claim 1, wherein the top of the arc-shaped deflector is located on the same horizontal plane as the air supply opening, and a distance between the bottom of the arc-shaped deflector and the air blowing device is 1/2 of the height of the air supply passage.
3. The oven for detecting the thermal protector according to claim 1 or 2, wherein the blower device includes a motor, a fan blade, and a wind collecting cover, the motor is disposed in the bottom air duct at a position opposite to the air supply outlet, the fan blade is mounted on the top of the output shaft of the motor, and the wind collecting cover is located outside the fan blade and the motor.
4. The thermal protector detection oven of claim 3, wherein the air collection hood is a pyramid table-type hollow hood.
5. The oven for detecting thermal protectors according to claim 1, wherein a plurality of the heating pipes are provided, and the plurality of heating pipes are distributed in the left air duct and the right air duct at equal intervals.
6. The thermal protector detection oven of claim 5, wherein the heating tube is a serpentine heating tube.
7. The thermal protector detection oven of claim 1, wherein the outer surface of the box is provided with an insulating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921595533.3U CN210512395U (en) | 2019-09-24 | 2019-09-24 | Drying oven for detecting thermal protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921595533.3U CN210512395U (en) | 2019-09-24 | 2019-09-24 | Drying oven for detecting thermal protector |
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| Publication Number | Publication Date |
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| CN210512395U true CN210512395U (en) | 2020-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921595533.3U Active CN210512395U (en) | 2019-09-24 | 2019-09-24 | Drying oven for detecting thermal protector |
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| Country | Link |
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| CN (1) | CN210512395U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114847498A (en) * | 2022-06-13 | 2022-08-05 | 卓领电子(深圳)有限公司 | Fruit vegetables remove pesticide residue cleaning machine |
-
2019
- 2019-09-24 CN CN201921595533.3U patent/CN210512395U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114847498A (en) * | 2022-06-13 | 2022-08-05 | 卓领电子(深圳)有限公司 | Fruit vegetables remove pesticide residue cleaning machine |
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