CN104032099B - A kind of heated-air circulation oven - Google Patents
A kind of heated-air circulation oven Download PDFInfo
- Publication number
- CN104032099B CN104032099B CN201410302621.5A CN201410302621A CN104032099B CN 104032099 B CN104032099 B CN 104032099B CN 201410302621 A CN201410302621 A CN 201410302621A CN 104032099 B CN104032099 B CN 104032099B
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- thermal
- insulating body
- catalyst
- door
- relay
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Abstract
The invention provides a kind of heated-air circulation oven, heat pipe is added including thermal-insulating body, thermal insulating door thermally insulated door, driving motor, temperature tube and at least two U-shapeds, thermal insulating door thermally insulated door is pivotally mounted at the front openings of thermal-insulating body by hinge, " door " shape cavity is had in thermal-insulating body, by adding hot gas in " door " shape cavity, and gas circulating-heating can be formed in thermal-insulating body by driving driven by motor impeller.This heated-air circulation oven heating uniformity is good, and temperature control precision is high.
Description
Technical field
The present invention relates to a kind of baking oven, a kind of baking oven for miniature device heat treatment.
Background technology
Heat treatment be metal material is placed on certain medium in heat, be incubated, cool down, by changing material surface or inside
Metallurgical structure, controls a kind of metal fever processing technique of its performance.Metal heat treatmet is the important process in machine-building
One of, by changing the microscopic structure of inside workpiece, or change the chemical composition of surface of the work, give or improve the use of workpiece
Performance.Along with the development of science and technology, the requirement of Technology for Heating Processing is improved by people the most therewith, and existing temperature uniformity is low, it is impossible to
Meeting the heat treatment requirements to high-precision object, baking oven volume is big, and cost height is not suitable for the heat treatment process of small articles.
Summary of the invention
The technical problem to be solved in the present invention is that baking oven for heating uniformity of the prior art is bad, it is impossible to meet heat treatment requirements.
In order to solve above-mentioned technical problem, the invention provides a kind of heated-air circulation oven, including thermal-insulating body, thermal insulating door thermally insulated door, drive
Galvanic electricity machine, temperature tube and at least two U-shapeds add heat pipe, and thermal insulating door thermally insulated door is pivotally mounted at the front openings of thermal-insulating body by hinge
Place, the left and right sides in thermal-insulating body is provided with side closure, and the top in thermal-insulating body is provided with top spacer, side closure and top
Portion's dividing plate collectively forms " door " shape cavity with left and right sidewall and the roof of thermal-insulating body, and side closure is bottom thermal-insulating body
Position be provided with air outlet, be provided with air intake vent, temperature tube and U-shaped at top spacer and add heat pipe all from the left side at thermal-insulating body top
Right edge is inserted in the cavity between side closure and thermal-insulating body left and right sidewall, and thermal-insulating body top is provided with motor and installs window,
The main shaft driving motor is provided with impeller, drives motor to be vertically installed at motor and installs on window, and impeller is positioned at motor and installs window
And between air intake vent, U-shaped adds the two ends of heat pipe and is provided with the binding post for connecting power supply, in the left and right edges at thermal-insulating body top
Being additionally provided with rosette, binding post is positioned at rosette.
Use in thermal-insulating body, form " door " shape cavity, by impeller, the gas in thermal-insulating body is pumped into " door " shape cavity
Interior heating, is getting rid of from air outlet, and in forming one, the heating process of circulation, makes heating uniformity be improved significantly；Use
Add at U-shaped and temperature tube is set at heat pipe, U-shaped can be monitored in being inserted in temperature tube by tempilstick at any time and add the temperature of heat pipe, improve
The accuracy of temperature control of baking oven.
Scheme as a further improvement on the present invention, the top of thermal-insulating body is additionally provided with gas outlet.Use gas outlet will heat
The gas expanded quickly is discharged, and reduces baking oven inner air pressure.
Scheme as a further improvement on the present invention, the top of thermal-insulating body is additionally provided with thermometer hole, thermometer hole run through thermal-insulating body and
Top spacer, is inserted with the thermometer of tape relay contact output in thermometer hole.The thermometer using the output of tape relay contact can
Realize automatically controlling the temperature of gas in baking oven.
Scheme as a further improvement on the present invention, thermal insulating door thermally insulated door is provided with handle.Use handle conveniently to open or close and close thermal insulating door thermally insulated door.
Scheme as a further improvement on the present invention, also includes a switch board, is provided with governor circuit, computer heating control in switch board
Circuit, draught fan control circuit and overtemperature alarm circuit；
Governor circuit includes the disconnecting switch that end of incoming cables is connected with three phase mains, the leading-out terminal of disconnecting switch respectively with the first catalyst
The end of incoming cables of main contacts and the second catalyst main contacts is connected, the leading-out terminal of the first catalyst main contacts and the inlet wire of solid-state relay
End is connected, and the leading-out terminal of the second catalyst main contacts is connected with the end of incoming cables of thermorelay heater element, the outlet of solid-state relay
End is connected with binding post after overcurrent fuse, and the leading-out terminal of thermorelay heater element is connected with driving motor；
Heater switch that heating control circuit includes being sequentially connected in series on 220V power supply, the normally-closed contact of the first relay, second
The normally-closed contact of catalyst and the coil of the first catalyst, the coil two ends of the first tentaculum are also parallel with burner on light；
Blower fan shutdown switch that draught fan control circuit includes being sequentially connected in series on 220V power supply, fan starting switch, the second contact
The coil of device and the normally-closed contact of thermorelay, the two ends of fan starting switch are also parallel with the normally opened contact of the second catalyst；
Overtemperature alarm circuit includes the normally opened contact with the relay being sequentially connected in series on 220V power supply and alarm lamp, continues
The coil of electrical equipment is connected with thermometer, and the two ends of described alarm lamp are also parallel with the coil of the first relay.
Use switch board to control U-shaped in real time add heat pipe and drive the work of motor, improve the performance that automatically controls of baking oven, and can be right
In baking oven, gas temperature carries out overtemperature alarm.
Scheme as a further improvement on the present invention, is additionally provided with the power supply indicator being connected with 220V power supply in switch board.
The beneficial effects of the present invention is: (1) uses and forms " door " shape cavity in thermal-insulating body, by impeller by couveuse
Internal gas is pumped into heating in " door " shape cavity, is getting rid of from air outlet, and in forming one, the heating process of circulation, makes to add
Thermal uniformity is improved significantly；(2) use to add at U-shaped and temperature tube is set at heat pipe, can be inserted in temperature tube by tempilstick
Monitoring U-shaped adds the temperature of heat pipe at any time, improves the accuracy of temperature control of baking oven.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the side view of the present invention；
Fig. 3 is the top view of the thermal-insulating body of the present invention；
Fig. 4 is the governor circuit schematic diagram of the present invention；
Fig. 5 is the auxiliary control circuit schematic diagram of the present invention.
Detailed description of the invention
As Figure 1-3, the heated-air circulation oven of the present invention includes thermal-insulating body 1, thermal insulating door thermally insulated door 2, drives motor 3, temperature tube
7 and at least two U-shapeds add heat pipe 5, thermal insulating door thermally insulated door 2 is pivotally mounted at the front openings of thermal-insulating body 1 by hinge 10,
The left and right sides in thermal-insulating body 1 is provided with side closure 11, and the top in thermal-insulating body 1 is provided with top spacer 12, side closure
11 and left and right sidewall and the roof of top spacer 12 and thermal-insulating body 1 collectively form " door " shape cavity, side closure 11 is leaning on
Position bottom nearly thermal-insulating body 1 is provided with air outlet 18, is provided with air intake vent 19, temperature tube 7 and U-shaped at top spacer 12
Add heat pipe 5 at the left and right edges at thermal-insulating body 1 top, all insert the chamber between side closure 11 and thermal-insulating body about 1 sidewall
In body, thermal-insulating body 1 top is provided with motor and installs window 16, drives the main shaft of motor 3 to be provided with impeller 4, drives motor 3
Being vertically installed at motor and install on window 16, impeller 4 is installed between window 16 and air intake vent 19 at motor, and U-shaped adds heat pipe
The two ends of 5 are provided with the binding post 6 for connecting power supply, and the left and right edges at thermal-insulating body 1 top is additionally provided with rosette 8, wiring
Post 6 is positioned at rosette 8.
As it is shown on figure 3, in order to the gas adding thermal expansion is quickly discharged thermal-insulating body 1, at the top of thermal-insulating body 1 also
It is provided with gas outlet 17.
As it is shown on figure 3, in order to realize automatically controlling the temperature of gas in baking oven, be additionally provided with survey at the top of thermal-insulating body 1
Temperature hole 15, thermometer hole 15 runs through thermal-insulating body 1 and top spacer 12, is inserted with the output of tape relay contact in thermometer hole 15
Thermometer 13, this kind of thermometer can directly buy existing product, if model is the thermometer of YMBGT-1-OUT, its temperature
The scope that arranges is spent to 125 degree for-55.
Close thermal insulating door thermally insulated door 2 as in figure 2 it is shown, open or close for convenience, thermal insulating door thermally insulated door 2 is provided with handle 9.
As shown in Fig. 1,3-5, in order to improve the performance that automatically controls of baking oven, the heated-air circulation oven of the present invention also includes a control
Cabinet 14 processed, is provided with governor circuit, heating control circuit, draught fan control circuit and overtemperature alarm circuit in switch board 14；
Governor circuit includes disconnecting switch QS that end of incoming cables is connected with three phase mains, and the leading-out terminal of disconnecting switch QS is respectively with first
The end of incoming cables of catalyst KM1 main contacts and the second catalyst KM2 main contacts is connected, going out of the first catalyst KM1 main contacts
Line end is connected with the end of incoming cables of solid-state relay SSR, and the leading-out terminal of the second catalyst KM2 main contacts is sent out with thermorelay KH1
The end of incoming cables of thermal element is connected, and the leading-out terminal of solid-state relay SSR is connected with binding post 6 after overcurrent fuse, thermorelay
The leading-out terminal of KH1 heater element is connected with driving motor 3；
Heating control circuit includes that heater switch SA1 being sequentially connected in series on 220V power supply, the normally closed of the first relay K A1 are touched
Point, the normally-closed contact of the second catalyst KM2 and the coil of the first catalyst KM1, the coil two ends of the first tentaculum KM1
Also it is parallel with burner on light HG；
Blower fan shutdown switch SB1 that draught fan control circuit includes being sequentially connected in series on 220V power supply, fan starting switch SB2,
The coil of the second catalyst KM2 and the normally-closed contact of thermorelay KH1, the two ends of fan starting switch SB2 are also parallel with
The normally opened contact of the second catalyst KM2；
Overtemperature alarm circuit includes the normally opened contact with the relay TC1 being sequentially connected in series on 220V power supply and alarm lamp
HR1, the coil of relay TC1 is connected with thermometer 13, and the two ends of alarm lamp HR1 are also parallel with the first relay K A1
Coil.
As it is shown in figure 5, be additionally provided with the power supply indicator HY being connected with 220V power supply in switch board 14.
This heated-air circulation oven operationally, first presses fan starting switch SB2, and the coil of the second catalyst KM2 obtains electric,
The normally opened contact of the second catalyst KM2 and main contacts Guan Bi, in being formed in thermal-insulating body 1 by driving motor 3 impeller 4
Circulated air, presses heater switch SA1 the most again, U-shaped adds heat pipe 5 and connects electricity, heat circulated air, when thermometer 13
Monitoring temperature when reaching the upper limit, then control the normally opened contact adhesive of relay TC1, the coil of the first relay K A1 obtains electric,
The normally-closed contact of the first relay K A1 disconnects, the coil losing electricity of the first tentaculum KM1, and the main contacts of the first tentaculum KM1 breaks
Opening, U-shaped adds heat pipe 5 power-off, thus avoids heating-up temperature too high.
Claims (5)
1. a heated-air circulation oven, it is characterised in that: include thermal-insulating body (1), thermal insulating door thermally insulated door (2), drive motor (3), thermometric
Pipe (7) and at least two U-shapeds add heat pipe (5), and described thermal insulating door thermally insulated door (2) is pivotally mounted at couveuse by hinge (10)
At the front openings of body (1), the left and right sides in described thermal-insulating body (1) is provided with side closure (11), described thermal-insulating body
(1) top in is provided with top spacer (12), described side closure (11) and top spacer (12) and thermal-insulating body (1)
Left and right sidewall and roof collectively form " door " shape cavity, described side closure (11) near thermal-insulating body (1) bottom
Position is provided with air outlet (18), and described top spacer (12) place is provided with air intake vent (19), described temperature tube (7) and U
Shape adds heat pipe (5) and all inserts side closure (11) and thermal-insulating body (1) left side at the left and right edges at thermal-insulating body (1) top
In cavity between right side wall, described thermal-insulating body (1) top is provided with motor and installs window (16), described driving motor (3)
Main shaft be provided with impeller (4), described driving motor (3) is vertically installed at motor and installs on window (16), described impeller (4)
Being positioned at motor to install between window (16) and air intake vent (19), described U-shaped adds the two ends of heat pipe (5) and is provided with for connecting
The binding post (6) of power supply, the left and right edges at described thermal-insulating body (1) top is additionally provided with rosette (8), described binding post (6)
It is positioned at rosette (8)；Also including a switch board (14), described switch board is provided with governor circuit in (14), adds thermal control
Circuit processed, draught fan control circuit and overtemperature alarm circuit；
Described governor circuit includes the disconnecting switch (QS) that end of incoming cables is connected with three phase mains, and described disconnecting switch (QS) goes out
Line end end of incoming cables with the first catalyst (KM1) main contacts and the second catalyst (KM2) main contacts respectively is connected, and described
The leading-out terminal of one catalyst (KM1) main contacts is connected with the end of incoming cables of solid-state relay (SSR), described second catalyst (KM2)
The leading-out terminal of main contacts is connected with the end of incoming cables of thermorelay (KH1) heater element, and described solid-state relay (SSR) goes out
Line end is connected with binding post (6) after overcurrent fuse, the leading-out terminal of described thermorelay (KH1) heater element and driving motor
(3) it is connected；
Described heating control circuit includes heater switch (SA1), the first relay (KA1) being sequentially connected in series on 220V power supply
Normally-closed contact, the normally-closed contact of the second catalyst (KM2) and the coil of the first catalyst (KM1), described first touch
The coil two ends of device (KM1) are also parallel with burner on light (HG)；
Described draught fan control circuit includes blower fan shutdown switch (SB1), the fan starting switch being sequentially connected in series on 220V power supply
(SB2), the coil of the second catalyst (KM2) and the normally-closed contact of thermorelay (KH1), described fan starting switch
(SB2) two ends are also parallel with the normally opened contact of the second catalyst (KM2)；
Described overtemperature alarm circuit includes the normally opened contact with the relay (TC1) being sequentially connected in series on 220V power supply and instruction of reporting to the police
Lamp (HR1), the coil of described relay (TC1) is connected with thermometer (13), the two of described alarm lamp (HR1)
End is also parallel with the coil of the first relay (KA1).
Heated-air circulation oven the most according to claim 1, it is characterised in that: the top of described thermal-insulating body (1) is additionally provided with out
QI KOU (17).
Heated-air circulation oven the most according to claim 1, it is characterised in that: the top of described thermal-insulating body (1) is additionally provided with survey
Temperature hole (15), described thermometer hole (15) runs through thermal-insulating body (1) and top spacer (12), described thermometer hole (15) interpolation
There is the thermometer (13) that tape relay contact exports.
Heated-air circulation oven the most according to claim 1, it is characterised in that: described thermal insulating door thermally insulated door (2) is provided with handle (9).
Heated-air circulation oven the most according to claim 1, it is characterised in that: described switch board is additionally provided with and 220V in (14)
The power supply indicator (HY) that power supply is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410302621.5A CN104032099B (en) | 2014-06-27 | 2014-06-27 | A kind of heated-air circulation oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410302621.5A CN104032099B (en) | 2014-06-27 | 2014-06-27 | A kind of heated-air circulation oven |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104032099A CN104032099A (en) | 2014-09-10 |
| CN104032099B true CN104032099B (en) | 2016-08-24 |
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ID=51463092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410302621.5A Expired - Fee Related CN104032099B (en) | 2014-06-27 | 2014-06-27 | A kind of heated-air circulation oven |
Country Status (1)
| Country | Link |
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| CN (1) | CN104032099B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107560425A (en) * | 2017-09-30 | 2018-01-09 | 志圣科技（广州）有限公司 | Vacuum pressure baking box |
| CN109210884A (en) * | 2018-08-17 | 2019-01-15 | 京港工业炉科技(苏州)有限公司 | A kind of heated-air circulation oven for Ni―Ti anode drying |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2283655Y (en) * | 1996-01-26 | 1998-06-10 | 机械工业部无锡油泵油嘴研究所 | Car-type heated air circulation heat treating furnace |
| CN101118113A (en) * | 2007-09-07 | 2008-02-06 | 上海中加电炉有限公司 | Heated air circulation bake oven |
| CN202063970U (en) * | 2011-05-26 | 2011-12-07 | 湖南新新线缆有限公司 | Pot type heated air circulation annealing furnace |
| CN203960257U (en) * | 2014-06-27 | 2014-11-26 | 江苏中热机械设备有限公司 | A kind of Hotaircirculatingoven |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0673437A (en) * | 1992-04-17 | 1994-03-15 | Daido Steel Co Ltd | Method for uniformizing carbide grain in spheroidizing annealing of high carbon chromium bearing steel wire rod |
-
2014
- 2014-06-27 CN CN201410302621.5A patent/CN104032099B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2283655Y (en) * | 1996-01-26 | 1998-06-10 | 机械工业部无锡油泵油嘴研究所 | Car-type heated air circulation heat treating furnace |
| CN101118113A (en) * | 2007-09-07 | 2008-02-06 | 上海中加电炉有限公司 | Heated air circulation bake oven |
| CN202063970U (en) * | 2011-05-26 | 2011-12-07 | 湖南新新线缆有限公司 | Pot type heated air circulation annealing furnace |
| CN203960257U (en) * | 2014-06-27 | 2014-11-26 | 江苏中热机械设备有限公司 | A kind of Hotaircirculatingoven |
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| Publication number | Publication date |
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| CN104032099A (en) | 2014-09-10 |
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Granted publication date: 20160824 Termination date: 20200627 |
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| CF01 | Termination of patent right due to non-payment of annual fee |