CN104678793A - Control system for electronic product-drying cabinets - Google Patents
Control system for electronic product-drying cabinets Download PDFInfo
- Publication number
- CN104678793A CN104678793A CN201310643368.5A CN201310643368A CN104678793A CN 104678793 A CN104678793 A CN 104678793A CN 201310643368 A CN201310643368 A CN 201310643368A CN 104678793 A CN104678793 A CN 104678793A
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- China
- Prior art keywords
- cabinet
- controller
- humidity
- humidity sensor
- external door
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a control system for electronic product-drying cabinets, which comprises a temperature sensor for detecting the internal temperature of a drawer, a first humidity sensor for detecting the internal humidity of the drawer, a second humidity sensor for detecting the humidity of desiccant and a controller for receiving the output signals of the temperature sensor, the first humidity sensor and the second humidity sensor, the temperature sensor, the first humidity sensor and the second humidity sensor are connected with the input ends of the controller, the output end of the controller is connected with a relay, the relay is connected with a power supply and a heater, the output ends of the controller are connected with a first electromagnetic valve for controlling oil supply into the rod cavity or rodless cavity of a telescopic hydraulic cylinder and a second electromagnetic valve for controlling air supply into the rod cavity or rodless cavity of a telescopic air cylinder, and the output end of the controller is also connected with a display screen for displaying temperature value and humidity value. The control system effectively increases the automation of an electronic product-drying cabinet.
Description
Technical field
The present invention relates to a kind of control system, particularly relate to a kind of control system of electronic product drying cupboard.
Background technology
At present, Most electronic product all requires operation in dry conditions and deposits, and according to statistics, the whole world has the industrial defective products of more than 1/4 all relevant with the harm of humidity, for electronics industry, moist harm has become one of principal element affecting product quality.
Humidity is mainly manifested in humidity to the harm of semiconductor industry and can invades IC inside through IC plastic package from pin gap, produce IC hygroscopic effect, water vapor is formed in the heating link of SMT process, the pressure produced causes IC resin-encapsulated to ftracture, and IC interior metal is oxidized, and causes product bug, in addition, when in the welding process of device at pcb board, because of the release of water vapour pressure, also rosin joint can be caused.
For glass substrate and the polaroid of the liquid crystal devices such as LCDs, filter sheet in process of production, although will carry out cleaning, drying, still can be subject to the impact of moisture after its wet down, reduce the qualification rate of product, therefore should deposit in the dry environment of below 40%RH after cleaning, drying.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency of the prior art, a kind of control system of electronic product drying cupboard is provided.The robotization that this Control system architecture is simple, effectively raise electronic product drying cupboard, is convenient to promote the use of.
For achieving the above object, the technical solution used in the present invention is: a kind of control system of electronic product drying cupboard, it is characterized in that: described electronic product drying cupboard comprises cabinet and is arranged on multiple universal wheels of bottom of cabinet bulk, described cabinet is hinged with multiple external door, and multiple described external door is opposite opened vertical hinged door, multiple inside door is provided with in position one to one in described cabinet with multiple described external door, multiple push-and-pull drawer is provided with in inner side one to one in described cabinet with described inside door, the sidewall of described cabinet is provided with the guide rail for guiding the movement of push-and-pull drawer, described inside door is connected to the side of push-and-pull drawer near external door, drying agent and the well heater for heat drying agent is provided with in described cabinet between inside door and external door, described external door and cabinet are by least two gemel connections, described cabinet is provided with the telescopic hydraulic cylinder for driving external door to open or close, the cylinder body of described telescopic hydraulic cylinder is arranged on cabinet, the piston rod of described telescopic hydraulic cylinder is connected with the madial wall of external door, telescopic cylinder is provided with in multiple described push-and-pull drawer, one end of described telescopic cylinder is connected with the madial wall of cabinet away from external door, the piston rod of described telescopic cylinder is connected with the madial wall of inside door, this control system comprises the temperature sensor for detecting push-and-pull drawer temperature, for detecting the first humidity sensor of push-and-pull drawer humidity and the second humidity sensor for detecting drying agent humidity, and for receiving described temperature sensor, the controller of the first humidity sensor and the second humidity sensor output signal, described temperature sensor, first humidity sensor and the second humidity sensor all connect with the input end of controller, the output terminal of described controller is connected to relay, described relay connects with power supply and well heater, the output terminal of described controller is connected to for controlling to the first solenoid valve of telescopic hydraulic cylinder rod chamber or rodless cavity fuel feeding and for controlling the second solenoid valve to telescopic cylinder rod chamber or rodless cavity air feed, the output terminal of described controller is also connected to the display screen for displays temperature value and humidity value.
The control system of above-mentioned a kind of electronic product drying cupboard, is characterized in that: the output terminal of described controller is also connected to audible-visual annunciator.
The present invention compared with prior art has the following advantages:
1, structure of the present invention is simple, rationally novel in design, is easy to install.
2, when the present invention uses, electronic component is placed in push-and-pull drawer, controller is by the second solenoid control telescopic cylinder thus opened by inside door, external door is closed by the first solenoid control telescopic hydraulic cylinder by controller, the drying agent be arranged in cabinet absorbs the water vapour in cabinet, after the regular hour, by controller, inside door is closed, and then open external door, controller connects well heater by relay and power supply heats, make to absorb water evaporation in drying agent to outside cabinet, repeatable operation like this, the electronic product be placed in push-and-pull drawer can be carried out drying process, its drying effect is good.
3, of the present invention to realize cost low, and result of use is good, is convenient to promote the use of.
In sum, structure of the present invention is simple, and rationally novel in design, functional reliability is high, long service life, and result of use is good, is convenient to promote the use of.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is schematic block circuit diagram of the present invention.
Fig. 2 is the structural representation of electronic product drying cupboard of the present invention.
Fig. 3 is the left view of Fig. 2.
Fig. 4 is the annexation schematic diagram of electronic product drying cupboard cabinet of the present invention and external door
Description of reference numerals:
Embodiment
A kind of electronic product drying cupboard as shown in Figure 2, Figure 3 and Figure 4, comprise the cabinet 1 in rectangular structure and be arranged on bottom cabinet 1 for driving multiple universal wheels 4 of cabinet 1 movement, described cabinet 1 is hinged with multiple external door 3, multiple described external door 3 is laid along the short transverse of cabinet 1, multiple described external door 3 is opposite opened vertical hinged door, multiple described external door 3 is provided with handle 2, and described external door 3 is glass door, multiple inside door 6 is provided with in position one to one in described cabinet 1 with multiple described external door 3, multiple push-and-pull drawer 5 is provided with in inner side one to one with described inside door 6 in described cabinet 1, the structure of multiple described push-and-pull drawer 5 is all equal with size, the sidewall of described cabinet 1 is provided with the guide rail 9 for guiding push-and-pull drawer 5 movement, described inside door 6 is connected to the side of push-and-pull drawer 5 near external door 3, drying agent 10 and the well heater 11 for heat drying agent 10 is provided with in described cabinet 1 between inside door 6 and external door 3, described external door 3 is connected by least two hinges 12 with cabinet 1, described cabinet 1 is provided with the telescopic hydraulic cylinder 13 for driving external door 3 to open or close, the cylinder body of described telescopic hydraulic cylinder 13 is arranged on cabinet 1, the piston rod of described telescopic hydraulic cylinder 13 is connected with the madial wall of external door 3, telescopic cylinder 7 is provided with in multiple described push-and-pull drawer 5, one end of described telescopic cylinder 7 is connected with the madial wall of cabinet 1 away from external door 3, the piston rod of described telescopic cylinder 7 is connected with the madial wall of inside door 6.The cylinder body of multiple described telescopic cylinder 7 is all connected with cabinet 1 by otic placode 8.
As shown in Figure 1, this control system comprises the temperature sensor 13 for detecting push-and-pull drawer 5 internal temperature, for detecting the first humidity sensor 14 of push-and-pull drawer 5 interior humidity and the second humidity sensor 15 for detecting drying agent 10 humidity, and for receiving described temperature sensor 13, the controller 16 of the first humidity sensor 14 and the second humidity sensor 15 output signal, described temperature sensor 13, first humidity sensor 14 and the second humidity sensor 15 all connect with the input end of controller 16, the output terminal of described controller 16 is connected to relay 17, described relay 17 connects with power supply 18 and well heater 11, the output terminal of described controller 16 is connected to for controlling to the first solenoid valve 19 of telescopic hydraulic cylinder 13 rod chamber or rodless cavity fuel feeding and for controlling the second solenoid valve 20 to telescopic cylinder 7 rod chamber or rodless cavity air feed, the output terminal of described controller 16 is also connected to the display screen 21 for displays temperature value and humidity value.
During use, electronic component is placed in push-and-pull drawer 5, controller 16 controls telescopic cylinder 7 by the second solenoid valve 20 thus is opened by inside door 6, controller 16 controls telescopic hydraulic cylinder 13 by the first solenoid valve 19 and cuts out by external door 3, the drying agent 10 be arranged in cabinet 1 absorbs the water vapour in cabinet 1, after the regular hour, according to temperature sensor 13 and the first humidity sensor 14 feedack, by controller 16, inside door 6 is closed, and then open external door 3, controller 16 connects well heater 11 by relay and power supply 18 heats, make to absorb water evaporation in drying agent 10 to outside cabinet 1, and cut off well heater 11 and power supply 18 in time according to the second humidity sensor 15 feedack, repeatable operation like this, the electronic product be placed in push-and-pull drawer 5 can be carried out drying process, its drying effect is good.
The above; it is only preferred embodiment of the present invention; not the present invention is imposed any restrictions, every above embodiment is done according to the technology of the present invention essence any simple modification, change and equivalent structure transformation, all still belong in the protection domain of technical solution of the present invention.
Claims (2)
1. the control system of an electronic product drying cupboard, it is characterized in that: described electronic product drying cupboard comprises cabinet (1) and is arranged on multiple universal wheels (4) of cabinet (1) bottom, described cabinet (1) is hinged with multiple external door (3), multiple described external door (3) is opposite opened vertical hinged door; multiple inside door (6) is provided with in position one to one in described cabinet (1) with multiple described external door (3), multiple push-and-pull drawer (5) is provided with in inner side one to one in described cabinet (1) with described inside door (6), the sidewall of described cabinet (1) is provided with the guide rail (9) for guiding push-and-pull drawer (5) movement, described inside door (6) is connected to the side of push-and-pull drawer (5) near external door (3), be positioned between inside door (6) and external door (3) and be provided with drying agent (10) and the well heater (11) for heat drying agent (10) in described cabinet (1), described external door (3) is connected by least two hinges (12) with cabinet (1), described cabinet (1) is provided with the telescopic hydraulic cylinder (13) for driving external door (3) to open or close, the cylinder body of described telescopic hydraulic cylinder (13) is arranged on cabinet (1), the piston rod of described telescopic hydraulic cylinder (13) is connected with the madial wall of external door (3), telescopic cylinder (7) is provided with in multiple described push-and-pull drawer (5), one end of described telescopic cylinder (7) is connected with the madial wall of cabinet (1) away from external door (3), the piston rod of described telescopic cylinder (7) is connected with the madial wall of inside door (6), this control system comprises the temperature sensor (13) for detecting push-and-pull drawer (5) internal temperature, for detecting first humidity sensor (14) of push-and-pull drawer (5) interior humidity and the second humidity sensor (15) for detecting drying agent (10) humidity, and for receiving described temperature sensor (13), the controller (16) that first humidity sensor (14) and the second humidity sensor (15) output signal, described temperature sensor (13), first humidity sensor (14) and the second humidity sensor (15) all connect with the input end of controller (16), the output terminal of described controller (16) is connected to relay (17), described relay (17) connects with power supply (18) and well heater (11), the output terminal of described controller (16) is connected to for controlling to first solenoid valve (19) of telescopic hydraulic cylinder (13) rod chamber or rodless cavity fuel feeding and for controlling the second solenoid valve (20) to telescopic cylinder (7) rod chamber or rodless cavity air feed, the output terminal of described controller (16) is also connected to the display screen (21) for displays temperature value and humidity value.
2. the control system of a kind of electronic product drying cupboard according to claim 1, is characterized in that: the output terminal of described controller (16) is also connected to audible-visual annunciator (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310643368.5A CN104678793A (en) | 2013-11-30 | 2013-11-30 | Control system for electronic product-drying cabinets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310643368.5A CN104678793A (en) | 2013-11-30 | 2013-11-30 | Control system for electronic product-drying cabinets |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104678793A true CN104678793A (en) | 2015-06-03 |
Family
ID=53314039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310643368.5A Pending CN104678793A (en) | 2013-11-30 | 2013-11-30 | Control system for electronic product-drying cabinets |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104678793A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105738574A (en) * | 2016-03-01 | 2016-07-06 | 侯如升 | Abnormal humidity alarm for inductance test packaging machine |
-
2013
- 2013-11-30 CN CN201310643368.5A patent/CN104678793A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105738574A (en) * | 2016-03-01 | 2016-07-06 | 侯如升 | Abnormal humidity alarm for inductance test packaging machine |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150603 |