CN109460086A - Multi-channel intelligent temperature control vacuum system apparatus for baking - Google Patents
Multi-channel intelligent temperature control vacuum system apparatus for baking Download PDFInfo
- Publication number
- CN109460086A CN109460086A CN201811599528.XA CN201811599528A CN109460086A CN 109460086 A CN109460086 A CN 109460086A CN 201811599528 A CN201811599528 A CN 201811599528A CN 109460086 A CN109460086 A CN 109460086A
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- China
- Prior art keywords
- vacuum system
- control circuit
- baking
- system apparatus
- heating
- 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.)
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- 238000010438 heat treatment Methods 0.000 claims abstract description 76
- 239000004744 fabric Substances 0.000 claims abstract description 22
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 239000010425 asbestos Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 229910052895 riebeckite Inorganic materials 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 description 7
- 239000010703 silicon Substances 0.000 description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
- G05D23/22—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element being a thermocouple
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Central Heating Systems (AREA)
Abstract
The invention discloses a kind of multi-channel intelligent temperature control vacuum system apparatus for baking, belong to vacuum bakeout technical field.The present invention includes heat-insulating cloth, main frame, several heating devices and electric cabinet, wherein: the heat-insulating cloth is wrapped on main frame and is inwardly formed heating space, several thermocouples are provided on the heat-insulating cloth, each heating device is all set on main frame and is located in heating space, the electric cabinet is built-in with for realizing temperature controlled multichannel PID control circuit, each thermocouple is electrically connected the input terminal in the multichannel PID control circuit for feeding back the real time temperature in heating space, each heating device is electrically connected the output end in the multichannel PID control circuit and by control heat outputting air-flow.Good compatibility of the present invention, it is convenient for disassembly and assembly, it can be intelligently in real time to control baking temperature.
Description
Technical field
The invention belongs to vacuum bakeout technical fields, and in particular to a kind of multi-channel intelligent temperature control vacuum system baking dress
It sets.
Background technique
In all high vacuum systems, especially in the application of ultra-high vacuum system, by gas and moisture from constituting vacuum
It releases to exclude in system material and be very important, the heating degasification water removal of general ultra-high vacuum system is using the side toasted
Formula.And the roasting mode of domestic vacuum system is more simple and crude, two layers of tinfoil is usually wrapped up on vacuum plant, then added
Heat baking, this roasting mode is unable to real-time control baking temperature and makes baking unevenly, and tinfoil is a kind of consumptive material, can not
It reuses, therefore is badly in need of proposing a kind of multi-channel intelligent temperature control vacuum system apparatus for baking.
Summary of the invention
The present invention is directed to the situation of the prior art, overcomes drawbacks described above, provides a kind of multi-channel intelligent temperature control vacuum system
Apparatus for baking.
The present invention use following technical scheme, the multi-channel intelligent temperature control vacuum system apparatus for baking, including heat-insulating cloth,
Main frame, several heating devices and electric cabinet, in which: the heat-insulating cloth is wrapped on main frame and is inwardly formed heating space,
Several thermocouples are provided on the heat-insulating cloth, each heating device is all set on main frame and is located in heating space, institute
It states electric cabinet to be built-in with for realizing temperature controlled multichannel PID control circuit, each thermocouple is electrically connected in described more
The input terminal of road PID control circuit with for feeding back the real time temperature in heating space, each heating device be electrically connected in
The output end of the multichannel PID control circuit and by control heat outputting air-flow.
As a further improvement of the above technical scheme, the multichannel PID control circuit includes A.C. contactor master control electricity
If road and main line load control circuit, the input terminal of the A.C. contactor governor circuit are electrically connected to three through earth leakage circuit-breaker
Phase alternating current, if main line load control circuit is electrically connected to the output end of A.C. contactor governor circuit, every road load control
Circuit is electrically connected with a thermocouple, and every road load control circuit is also electrically connected with for providing electricity to several heating devices
The socket in source.
As a further improvement of the above technical scheme, the multichannel PID control circuit further includes radiating circuit, described to dissipate
Heater circuit include the first air switch and several fans, if first air switch be series at A.C. contactor governor circuit and
Between the load control circuit of main line, several fans are parallel to the leading-out terminal of first air switch.
As a further improvement of the above technical scheme, if main line load control circuit is set as nine tunnels, several thermoelectricity
Even is set as nine, and several fans are set as four.
As a further improvement of the above technical scheme, several heating devices are set as three and three heating devices
In distribution triangular in shape in heating space so that forming convection current between the thermal current of each heating device output.
As a further improvement of the above technical scheme, each heating device passes through that clip is adjustable to be installed on main frame
Make heating device on frame send hot direction adjustable to change the thermal convection degree in heating space.
As a further improvement of the above technical scheme, the multi-channel intelligent temperature control vacuum system apparatus for baking further includes
For guiding the distinguished and admirable baffle of airflow direction, the distinguished and admirable baffle is rotatably installed on main frame and is located at heating space
It is interior.
As a further improvement of the above technical scheme, the main frame is assembled through corner brace connector using aluminum profile and is made
At.
As a further improvement of the above technical scheme, the heat-insulating cloth is made of asbestos material.
As a further improvement of the above technical scheme, there are four universal wheels for the electric cabinet bottom installation.
Multi-channel intelligent temperature control vacuum system apparatus for baking disclosed by the invention, the beneficial effect is that, it is adopted in the present invention
Multipoint temperature monitoring is carried out to heating space with multiple thermocouples, temperature conditions in entire heating space can be understood in time simultaneously
It is transferred to multichannel PID control circuit, multichannel PID control circuit is used to control output thermal current according to feedback result so as to real-time
The temperature in heating space is controlled, the vacuum system heated according to actual needs is enabled a user to and carries out temperature control；Add
Thermal is arranged in the thermal current that position different in heating space exports it and forms convection current, internal homogeneous heating, baking
Effect is good；Heating device, which is installed on main frame in a manner of clip, makes heating device that direction be adjusted to which heat side is sent in change
To changing thermal convection degree further to changing temperature；Heat-insulating cloth in the present invention Reusability and can use asbestos
Material can high temperature resistant, long service life economizes on resources；Main frame can be assembled, to facilitate change structure different with compatibility
Vacuum system and convenient disassembly；Having air switch of connecting in multichannel PID control circuit makes the circuit have overload protection function,
It is highly-safe；The adjustable angle of distinguished and admirable baffle reaches temperature control purpose so as to change cross-ventilation situation；Multichannel PID control electricity
Road is integrated in the temperature control box with universal wheel, so that the device facilitates carrying.
Detailed description of the invention
Fig. 1 is the integral outer structural schematic diagram of the preferred embodiment of the present invention.
Fig. 2 is the schematic diagram of internal structure of the preferred embodiment of the present invention.
Fig. 3 is the partial enlarged view of A in Fig. 2.
Fig. 4 is the multichannel PID control circuit diagram of the preferred embodiment of the present invention.
Appended drawing reference includes: 1- heat-insulating cloth, 2- main frame, 21- bottom plate, the distinguished and admirable baffle of 22-, 23- rotation axis, 3- heating dress
It sets, 4- electric cabinet, 41- universal wheel, 51- A.C. contactor governor circuit, 511- earth leakage circuit-breaker, 512- A.C. contactor,
52- load control circuit, the second air switch of 521-, 522- socket, 523- silicon controlled module, 524-PID controller, 525- heat
Galvanic couple female, 53- radiating circuit, the first air switch of 531-, 532- fan.
Specific embodiment
It is right below with reference to preferred embodiment the invention discloses a kind of multi-channel intelligent temperature control vacuum system apparatus for baking
A specific embodiment of the invention is further described.
Referring to Figure 1 of the drawings to Fig. 4, Fig. 1 to Fig. 4 shows structure of the invention.The multi-channel intelligent temperature control vacuum
System apparatus for baking, including heat-insulating cloth 1, main frame 2, several heating devices 3 and electric cabinet 4, in which: the heat-insulating cloth 1 wraps up
In on main frame 2 and being inwardly formed heating space, several thermocouples are provided on the heat-insulating cloth 1, each heating device 3 is all provided with
It is placed on main frame 2 and is located in heating space, the electric cabinet 4 is built-in with for realizing temperature controlled multichannel PID control
Circuit, each thermocouple are electrically connected the input terminal in the multichannel PID control circuit for feeding back in heating space
Real time temperature, each heating device 3 are electrically connected the output end in the multichannel PID control circuit and by control heat outputting gas
Stream.
Specifically, the present invention is used for the baking of vacuum system, and vacuum system to be baked is placed in the bottom plate 21 of main frame 2
On, be provided with several thermocouples on heat-insulating cloth 1, each thermocouple be uniformly distributed on heat-insulating cloth 1 can be empty to heating
Interior each orientation carries out temperature acquisition, by the real time temperature in heating space it is instant feed back to electric cabinet 4, in electric cabinet 4
It is equipped with multichannel PID control circuit, to carry out PID adjusting and according to set temperature control to the temperature that each thermocouple feedback comes
The hot stream temperature of refrigerating/heating apparatus 3, so that temperature is controllable during to vacuum system heating.
Further, if the multichannel PID control circuit includes 512 governor circuit 51 of A.C. contactor and main line load control
The input terminal of circuit 52 processed, the A.C. contactor governor circuit 51 is electrically connected to three-phase alternating current through earth leakage circuit-breaker 511,
If main line load control circuit 52 is electrically connected to the output end of A.C. contactor governor circuit 51, every road load control circuit 52
Be electrically connected with a thermocouple, every road load control circuit 52 is also electrically connected with for providing electricity to several heating devices 3
The socket 522 in source.
Specifically, the A.C. contactor governor circuit 51 as executive component for connecting, disjunction load control circuit
52 or control load control circuit 52 operation, in the present invention, the A.C. contactor governor circuit 51 include ac contactor
Device 512 starts switch K1, emergency stop switch K2, and the input terminal (1 foot, 2 feet and 3 feet) of the A.C. contactor 512 is through earth leakage protective
Switch 511 is electrically connected to three-phase alternating current (L1, L2, L3), and the end A1 of A.C. contactor 512 is electrically connected to A.C. contactor 512
8 feet, the end A2 of A.C. contactor 512 is electrically connected to 3 feet of A.C. contactor 512, starts switch K1 and be serially connected with ac contactor
Between the end A1 and 4 feet of device 512, emergency stop switch K2 is serially connected between 4 feet of A.C. contactor 512 and the end A2；Each road load control
Circuit 52 processed includes thermocouple female 525, PID controller 524, silicon controlled module 523, the second air switch 521, and described the
2 feet of two air switches 521 are electrically connected to zero curve N through earth leakage circuit-breaker 511, and 1 foot of second air switch 521 is electrically connected
Any foot being connected in the output end (5 feet, 6 feet, 7 feet) of A.C. contactor 512,4 feet of the PID controller 524 and 5 foot strings
The thermocouple female 525 for electric-connection thermal galvanic couple is connected to receive the feedback temperature of thermocouple, the 7 of the PID controller 524
Foot and 8 feet are electrically connected to feeder ear+5 and the control terminal con of silicon controlled module 523 to control silicon controlled module 523, silicon-controlled mould
The leading-out terminal (3 feet and 4 feet) that the output end (3 feet and 4 feet) of block 523 is electrically connected to second air switch 521 makes every road
PID control circuit, which is gone here and there, the second air switch 521, if short circuit occurs for circuit or immediate current is excessive, the second air is opened
Close 521 will automatic trip, can be realized overload protection, the socket 522 is serially connected with output end (1 foot of silicon controlled module 523
With 4 feet), and socket 522 is for connection to heating device 3 so that silicon controlled module 523 be electrically connected to heating device 3 from
And heating temperature can be controlled.
Further, the multichannel PID control circuit further includes radiating circuit 53, and the radiating circuit 53 includes first empty
Air cock 531 and several fans 532, if first air switch 531 is series at A.C. contactor governor circuit 51 and main line
Between load control circuit 52, several fans 532 are parallel to the leading-out terminal of first air switch 531.
Specifically, 1 foot of first air switch 531 is electrically connected to zero curve N, and 2 feet of the first air switch 531 are electrically connected
It is connected to 5 foot of output end of A.C. contactor 512, the leading-out terminal (3 feet and 4 feet) of first air switch 531 is electrically connected to
The output end (10 feet and 9 feet) of PID controller 524 is stated, and each fan 532 is parallel to the leading-out terminal of the first air switch 531
(3 feet and 4 feet), each fan 532 are each component heat dissipation in electric cabinet 4.
Further, if main line load control circuit 52 is set as nine tunnels, several thermocouples are set as nine, several
Fan 532 is set as four.
Specifically, multichannel PID control circuit is set as nine tunnels in the present invention, that is, is provided with nine road load control circuits
52, thermocouple is electrically connected on each road load control circuit 52, so thermocouple is set as nine, fan 532 is in the present invention
In be set as four and realize heat dissipations to multichannel PID control circuit.
Further, several heating devices 3 are set as three and three heating devices 3 are in triangle in heating space
Shape distribution is so that form convection current between the thermal current that each heating device 3 exports.
Specifically, in the present invention, one of them of three heating devices 3 is installed on the cross bar of main frame 2, and in addition two
It is a to be respectively arranged in 2 liang of main frame on the vertical bar on opposite so that three heating devices 3 are triangular in shape in heating space
Distribution enables to form convection current between the thermal current of each output of heating device 3 in this way, and vacuum system is placed in heating space
When be heated evenly, heating effect is good.
Further, each heating device 3 makes heating device 3 by adjustable be installed on main frame 2 of clip
Send hot direction adjustable to change thermal convection degree in heating space.
Specifically, each heating device 3 can the progress of the bolt on clip is elastic always to adjust heating device 3 by turning
Direction, this makes it possible to each heating device 3 send hot direction be adjusted to change in heating space heat it is right
Process degree, there is certain adjustment effect to the temperature of baking, and the vacuum system that user can according to need baking is adjusted.
Further, the multi-channel intelligent temperature control vacuum system apparatus for baking further includes the wind for guiding airflow direction
Baffle 22 is flowed, the distinguished and admirable baffle 22 is rotatably installed on main frame 2 and is located in heating space.
Specifically, in the present invention, rotation axis 23, the side of the distinguished and admirable baffle 22 are horizontally arranged on main frame 2
It is fixed in rotation axis 23, by turning rotation axis 23 distinguished and admirable baffle 22 is rotated with it, to adjust distinguished and admirable baffle 22
Distinguished and admirable guiding makes it possible to change airflow convection situation, further achievees the purpose that temperature control.
Further, the main frame 2 is made using aluminum profile through the assembling of corner brace connector.
Specifically, main frame 2 uses aluminum profile in the present invention, and aluminum profile is under the requirement for being able to satisfy intensity compared to other
Metal is more slim and graceful, and main frame 2 has aluminum profile to be made through the assembling of corner brace connector, easy to disassemble and install, saves space,
It conveniently re-assemblies to adapt to different vacuum systems.
Further, the heat-insulating cloth 1 is made so that heat-insulating cloth 1 is externally affected by environment small, internally of asbestos material
Heat insulation effect is good.
Specifically, it is to enable to heat-insulating cloth 1 can due to asbestos high temperature resistant that heat-insulating cloth 1, which uses asbestos, in the present invention
It is durable, it reuses.
Further, there are four universal wheels 41 for 4 bottom of the electric cabinet installation.
Multichannel PID control circuit integration is equipped with universal wheel 41 inside electric cabinet 4, and in 4 bottom of electric cabinet, is moved easily
And carrying, more flexibilities are increased in use.
For a person skilled in the art, technical solution documented by foregoing embodiments can still be repaired
Change or equivalent replacement of some of the technical features, it is all within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should be included in protection scope of the present invention.
Claims (10)
1. a kind of multi-channel intelligent temperature control vacuum system apparatus for baking, which is characterized in that including heat-insulating cloth, main frame, Ruo Ganjia
Thermal and electric cabinet, in which: the heat-insulating cloth is wrapped on main frame and is inwardly formed heating space, sets on the heat-insulating cloth
Several thermocouples are equipped with, each heating device is all set on main frame and is located in heating space, and the electric cabinet is built-in with
For realizing temperature controlled multichannel PID control circuit, each thermocouple is electrically connected in the multichannel PID control circuit
Input terminal is with for feeding back the real time temperature in heating space, each heating device is electrically connected in the multichannel PID control
The output end of circuit and by control heat outputting air-flow.
2. multi-channel intelligent temperature control vacuum system apparatus for baking according to claim 1, which is characterized in that the multichannel
If PID control circuit includes A.C. contactor governor circuit and main line load control circuit, the A.C. contactor governor circuit
Input terminal be electrically connected to three-phase alternating current through earth leakage circuit-breaker, if main line load control circuit is electrically connected to ac contactor
The output end of device governor circuit, every road load control circuit are electrically connected with a thermocouple, and every road load control circuit is also
It is electrically connected with for providing the socket of power supply to several heating devices.
3. according to claim 1 or multi-channel intelligent temperature control vacuum system apparatus for baking, feature described in 2 any claims
It is, the multichannel PID control circuit further includes radiating circuit, if the radiating circuit includes the first air switch and dry-air blast
Fan, it is described several if first air switch is series between A.C. contactor governor circuit and main line load control circuit
Fan is parallel to the leading-out terminal of first air switch.
4. multi-channel intelligent temperature control vacuum system apparatus for baking according to claim 3, which is characterized in that if main line loads
Control circuit is set as nine tunnels, and several thermocouples are set as nine, and several fans are set as four.
5. according to claim 1 or multi-channel intelligent temperature control vacuum system apparatus for baking, feature described in 2 any claims
Be, several heating devices be set as three and three heating devices in heating space distribution triangular in shape so that each
Convection current is formed between the thermal current of a heating device output.
6. multi-channel intelligent temperature control vacuum system apparatus for baking according to claim 5, which is characterized in that each heating dress
Set by clip it is adjustable be installed on make heating device on main frame send hot direction adjustable to changing heating space
Interior thermal convection degree.
7. multi-channel intelligent temperature control vacuum system apparatus for baking according to claim 1, which is characterized in that the multichannel
Intelligent temperature control vacuum system apparatus for baking further includes the distinguished and admirable baffle for guiding airflow direction, and the distinguished and admirable baffle is rotatable
It is installed on main frame and is located in heating space.
8. multi-channel intelligent temperature control vacuum system apparatus for baking according to claim 1, which is characterized in that the main frame
It is made using aluminum profile through the assembling of corner brace connector.
9. multi-channel intelligent temperature control vacuum system apparatus for baking according to claim 1, which is characterized in that the heat-insulating cloth
It is made of asbestos material.
10. multi-channel intelligent temperature control vacuum system apparatus for baking according to claim 1, which is characterized in that described automatically controlled
There are four universal wheels for the installation of bottom portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811599528.XA CN109460086A (en) | 2018-12-26 | 2018-12-26 | Multi-channel intelligent temperature control vacuum system apparatus for baking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811599528.XA CN109460086A (en) | 2018-12-26 | 2018-12-26 | Multi-channel intelligent temperature control vacuum system apparatus for baking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109460086A true CN109460086A (en) | 2019-03-12 |
Family
ID=65615184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811599528.XA Pending CN109460086A (en) | 2018-12-26 | 2018-12-26 | Multi-channel intelligent temperature control vacuum system apparatus for baking |
Country Status (1)
| Country | Link |
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| CN (1) | CN109460086A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1591774A (en) * | 1998-03-05 | 2005-03-09 | Fsi国际公司 | Combination bake/chill apparatus incorporating low thermal mass, thermally conductive bakeplate |
| CN103287590A (en) * | 2013-05-07 | 2013-09-11 | 中国科学院力学研究所 | Composite device for space environment simulation vacuum equipment |
| CN104287616A (en) * | 2013-05-23 | 2015-01-21 | 美亚知识产权有限公司 | Low-pressure cooking method and cookware vessel adapted for the same |
| CN105142408A (en) * | 2012-12-04 | 2015-12-09 | 英戈·施托克格南特韦斯伯格 | Heat treatment monitoring system |
| CN107450636A (en) * | 2017-08-25 | 2017-12-08 | 桂林理工大学 | Fruit dries control device and fruit dryer |
| CN207600069U (en) * | 2017-11-29 | 2018-07-10 | 东莞市泽润机械有限公司 | A kind of novel evacuated oven |
| CN108378716A (en) * | 2018-01-16 | 2018-08-10 | 青岛海尔智慧厨房电器有限公司 | A kind of heating tube, electric oven and control method |
| CN209086767U (en) * | 2018-12-26 | 2019-07-09 | 仪晟科学仪器(嘉兴)有限公司 | Multi-channel intelligent temperature control vacuum system apparatus for baking |
-
2018
- 2018-12-26 CN CN201811599528.XA patent/CN109460086A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1591774A (en) * | 1998-03-05 | 2005-03-09 | Fsi国际公司 | Combination bake/chill apparatus incorporating low thermal mass, thermally conductive bakeplate |
| CN105142408A (en) * | 2012-12-04 | 2015-12-09 | 英戈·施托克格南特韦斯伯格 | Heat treatment monitoring system |
| CN103287590A (en) * | 2013-05-07 | 2013-09-11 | 中国科学院力学研究所 | Composite device for space environment simulation vacuum equipment |
| CN104287616A (en) * | 2013-05-23 | 2015-01-21 | 美亚知识产权有限公司 | Low-pressure cooking method and cookware vessel adapted for the same |
| CN107450636A (en) * | 2017-08-25 | 2017-12-08 | 桂林理工大学 | Fruit dries control device and fruit dryer |
| CN207600069U (en) * | 2017-11-29 | 2018-07-10 | 东莞市泽润机械有限公司 | A kind of novel evacuated oven |
| CN108378716A (en) * | 2018-01-16 | 2018-08-10 | 青岛海尔智慧厨房电器有限公司 | A kind of heating tube, electric oven and control method |
| CN209086767U (en) * | 2018-12-26 | 2019-07-09 | 仪晟科学仪器(嘉兴)有限公司 | Multi-channel intelligent temperature control vacuum system apparatus for baking |
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