CN202393175U - Circuit board blast drying equipment - Google Patents
Circuit board blast drying equipment Download PDFInfo
- Publication number
- CN202393175U CN202393175U CN2011204545555U CN201120454555U CN202393175U CN 202393175 U CN202393175 U CN 202393175U CN 2011204545555 U CN2011204545555 U CN 2011204545555U CN 201120454555 U CN201120454555 U CN 201120454555U CN 202393175 U CN202393175 U CN 202393175U
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- temperature controller
- circuit board
- heater
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Abstract
The utility model discloses circuit board blast drying equipment which comprises an air inlet, an air channel, an air inlet filter, a heater, a circulating air channel, an air channel filter, an air outlet, a drying chamber, a drying rack and a temperature controller, wherein the air inlet filter is arranged at the air inlet; the drying chamber is connected with the circulating air channel; the air channel filter and the heater are arranged in the middle of the circulating air channel; the temperature controller comprises a box body, a temperature controller, temperature sensing probes, an AC (alternating current) contactor and a power line; multiple temperature sensing probes are provided; and the temperature controller is provided with multiple input ports and multiple output-end switches. Through the utility model, the air humidity and impurity content in the drying chamber are limited at a certain level, and the volatized impurity particles are filtered by the filter so as to ensure the cleanness of the air in the drying chamber and improve the cleanness of the circuit board; and the temperature controller can detect the temperature at multiple points inside, thus the excessive temperature fluctuation is avoided, and the aims of energy conservation and high efficiency are achieved.
Description
Technical field
The utility model relates to a kind of drying equipment, particularly a kind of circuit board air blast drying plant.
Background technology
In the electronic device production process, usually need produce printed circuit board (PCB).In the production process of circuit board, electroplating process is the technology of using always.The circuit board that from electroplating pool, takes out could use after need removing electroplate liquid and washing drying.But, carry out if drying plant or improper measures usually can make circuit board surface polluted, influencing surface cleanliness in the dry process at the wet circuit plate.Drying plant generally can be a baking oven, but also problems such as usually appearance temperature is irregular of baking oven not only cause energy waste, ventilates smooth the time, also can cause product rejection.
Application number is control of dust, the oil collector sump tank that 98245708.1 Chinese patent has been introduced a kind of printed circuit board (PCB) oven dry baking box; This appropriate position that is installed in the oven dry baking box is provided with several pieces filters; The inner lengthwise position of each filter is with several pieces horizontal shape filter courses and mutual stacked the forming of waveform filter course; Stream between each layer waveform filter course and form non-directional tortuous stream; When hot-air through out-of-date, can make on the volatile solvent wherein carried secretly, the surface that impurity is attached to stream.
Application number is that 201020226386.5 Chinese patent discloses a kind of copper-clad plate drying plant; Comprise and transmit running roller, air knife, temperature inductor, air blast, control cabinet, air cleaner; Air blasts air knife through the clean air of crossing after filter core will be filtered by air blast through tracheae; Copper-clad plate to through air knife is dried, and temperature inductor is installed in and transmits on the relative side wall of outer shell of running roller, and temperature inductor is connected on the control cabinet; Electric cabinet is transferred to air blast to the temperature signal of receiving, air blast is through frequency conversion adjustment power output.
Application number is that the Chinese patent of 201020535136.X has been introduced a kind of cleaning production electricity consumption sheet drying path device; Comprise the circuit board level conveying production line hurricane drier peripheral with being coated on the horizontal feed production line; Production line is provided with the row's circuit board thumb wheel axle that is positioned at upside and is positioned at one of below extricates from wheel shaft, and the impeller axle is made up of with the flexible thumb wheel that is connected vertically rotating shaft, is provided with hot blast or vapours access tube in the said hurricane drier; Said access tube is positioned at the wind-distributing pipe of extricating from wheel shaft top to the circuit board of the advancing oven dry of drying; This device is not only simple in structure, arranges compactness, and drying efficiency is high.
Cooling in traditional needs such as the Electric heat oven control temperature place generally adopt air-conditioning or take out, exhaust blower lowers the temperature; Wherein air-conditioning can be realized temperature control through self-contained constant temperature system; But take out, exhaust blower is not owing to self possess the temperature perceptional function; So can't realize the regulatory function when temperature is more or less than actual the requirement; How this provides a kind of energy-conservation, accurate temperature control device, becomes together the difficult problem of pendulum in face of people.And; Traditional temperature control device all is provided with the temperature control temperature-sensing probe; But its temperature control temperature-sensing probe has only one usually, only can indicate the temperature in a zone, and temperature that generally should the zone changes; Then mode of heating will be adjusted thereupon, often exist defectives such as temperature is irregular, fluctuated.
Summary of the invention
The utility model technical problem to be solved provides a kind of circuit board air blast drying plant, in big bulk density, does not stay water stainly after the oven dry basically, circuit board is not caused secondary pollution.
For the purpose that realizes solving the problems of the technologies described above, the utility model has adopted following technical scheme:
A kind of circuit board air blast drying plant of the utility model comprises air inlet, air duct, air intake filter, heater, circulation air path, air channel filter, air outlet, hothouse, oven dry frame, temperature controller composition, and air inlet is provided with air intake filter; Air intake filter connects air duct; Be provided with blower fan in the air duct, the air duct other end connects hothouse, and hothouse is connected with circulation air path; Be provided with air channel filter and heater in the middle of the circulation air path; Be provided with the oven dry frame in the hothouse, air outlet is positioned at hothouse, and temperature controller is through the temperature of control heater control hothouse; Described temperature controller comprises box body, temperature controller, temperature-sensing probe, A.C. contactor, power line; The adjustment sightingpiston of temperature controller is arranged on the outer surface of box body; Temperature-sensing probe is a plurality of; Temperature controller has a plurality of input ports and a plurality of output switch, and the control circuit of temperature controller inside is according to the closed and disconnected of the corresponding output switch of the signal controlling of temperature-sensing probe.
Described heater is PTC ceramic heater or metallic resistance silk heater.
Described oven dry frame can use common multilayer or individual layer oven dry frame, and the oven dry frame is provided with the carriage that can make circuit board can tilt and place more than 45 degree.
The temperature-sensing probe of described temperature controller is provided with fixedly screw, the nut of temperature-sensing probe.
The lid of described temperature controller is provided with installing hole, installing hole for each side for being provided with two at least.
A plurality of output switches of described temperature controller connect different heater circuits respectively, control the duty of different heater circuits.
These technical schemes also can mutual combination perhaps combine, thereby reach better technique effect.
Use can be when the beginning heat drying, because washiness on the circuit board, volatilizable impurity is also many, should suitably increase air input, guarantees the humidity and the cleanliness factor of the air in the hothouse; Reduce air input during the later stage,, keep best cost effectiveness to save the energy.
The beneficial effect of this patent is:
One, owing to is designed with air inlet; Like this can be so that the air humidity of hothouse and impurity content are limited in certain level, and, after the impurity particle that evaporates is filtered device and filters; Guarantee the cleanliness factor of the air of hothouse, also made the cleanliness factor of circuit board be improved naturally;
Two, temperature controller is provided with a plurality of temperature-sensing probes, can survey the temperature of inner a plurality of points for measuring temperature, can the breaking part heater circuit; It is too high so just to make that baking oven or firing equipment are unlikely to temperature, has avoided the great fluctuation process of crossing of temperature, finally reaches the purpose of efficient energy-saving.
Description of drawings
Fig. 1 is the high-cleanness, high electroplate drying unit overall structure sketch map of this patent.
Fig. 2 is the temperature controller structural representation of this patent.
Fig. 3 is the input port and output switch sketch map of the temperature controller of this patent.
Among the figure, 1-air inlet, 2-air intake filter, 3-air duct, 4-hothouse, 5-temperature controller, 6-circulation air path, 7-heater, 8-air channel filter, 9-air outlet, 10-blower fan, 11-temperature display; The 12-thermoregulator; The 13-input port; 14-output switch.
The specific embodiment
Come further to introduce the utility model through a kind of concrete circuit board air blast drying plant below.
A kind of circuit board air blast drying plant; Comprise air inlet 1, air duct 3, air intake filter 2, heater 7, circulation air path 6, air channel filter 8, air outlet 9, hothouse 4, temperature controller composition; Air inlet is provided with air intake filter 2, and air intake filter 2 connects air duct 3, and air duct 3 other ends connect hothouse 4; Hothouse 4 is connected with circulation air path 6; Be provided with air channel filter 8 and PTC ceramic heater 7 in the middle of the circulation air path 6, the filter medium of air channel filter 6 is wire netting or the asbestos gauge of heatproof more than 200 ℃, through the temperature of temperature controller control heater control hothouse.
Temperature controller box body on temperature display 11 and thermoregulator 12 are set; Input port 13 and output switch 14 are set at the back side of box body, and input port connects temperature-sensing probe, and the output switch connects heater; The adjustment sightingpiston of temperature controller is arranged on the outer surface of box body, the temperature-sensing probe that is provided be 4 can be inner control circuit according to the closed and disconnected of the corresponding output switch of the signal controlling of temperature-sensing probe.A plurality of output switches connect different heater circuits respectively, control the duty of different heater circuits.
Temperature-sensing probe is provided with fixedly screw, the nut of temperature-sensing probe.The installing hole of lid for each side for being provided with 3 at least.Box body is provided with the hook lock plate, and the hook lock plate is set to two and corresponding each other.
Because the temperature-sensing probe of temperature controller is a plurality of, under the irregular situation of temperature, in case indivedual temperature controlling point temperature surpasses the scope that is provided with, then can the breaking part heater circuit; In temperature-fall period, part point for measuring temperature temperature is lower than setting value, then can first actuating section heating line, avoided the great fluctuation process of crossing of temperature.
The air inlet that has filter through design; Like this can be so that the air humidity of hothouse and impurity content are limited in certain level, and, after the impurity particle that evaporates is filtered device and filters; Guarantee the cleanliness factor of the air of hothouse, also made the cleanliness factor of circuit board be improved naturally.
Claims (6)
1. circuit board air blast drying plant is characterized in that: comprise that air inlet, air duct, air intake filter, heater, circulation air path, air channel filter, air outlet, hothouse, oven dry frame, temperature controller form, air inlet is provided with air intake filter; Air intake filter connects air duct; Be provided with blower fan in the air duct, the air duct other end connects hothouse, and hothouse is connected with circulation air path; Be provided with air channel filter and heater in the middle of the circulation air path; Be provided with the oven dry frame in the hothouse, air outlet is positioned at hothouse, and temperature controller is through the temperature of control heater control hothouse; Described temperature controller comprises box body, temperature controller, temperature-sensing probe, A.C. contactor, power line; The adjustment sightingpiston of temperature controller is arranged on the outer surface of box body; Temperature-sensing probe is a plurality of; Temperature controller has a plurality of input ports and a plurality of output switch, and the control circuit of temperature controller inside is according to the closed and disconnected of the corresponding output switch of the signal controlling of temperature-sensing probe.
2. according to the said circuit board air blast of claim 1 drying plant, it is characterized in that: described heater is PTC ceramic heater or metallic resistance silk heater.
3. according to the said circuit board air blast of claim 1 drying plant, it is characterized in that: described oven dry frame is common multilayer or individual layer oven dry frame, and the oven dry frame is provided with the carriage that can make circuit board can tilt and place more than 45 degree.
4. according to the said circuit board air blast of claim 1 drying plant, it is characterized in that: the temperature-sensing probe of described temperature controller is provided with fixedly screw, the nut of temperature-sensing probe.
5. according to the said circuit board air blast of claim 1 drying plant, it is characterized in that: the lid of described temperature controller is provided with installing hole, installing hole for each side for being provided with two at least.
6. according to the said circuit board air blast of claim 1 drying plant, it is characterized in that: a plurality of output switches of described temperature controller connect different heater circuits respectively, control the duty of different heater circuits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204545555U CN202393175U (en) | 2011-11-16 | 2011-11-16 | Circuit board blast drying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204545555U CN202393175U (en) | 2011-11-16 | 2011-11-16 | Circuit board blast drying equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202393175U true CN202393175U (en) | 2012-08-22 |
Family
ID=46668094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204545555U Expired - Fee Related CN202393175U (en) | 2011-11-16 | 2011-11-16 | Circuit board blast drying equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202393175U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103453736A (en) * | 2013-08-30 | 2013-12-18 | 南京威安新材料科技有限公司 | Air blasting drying box |
| CN103776242B (en) * | 2014-01-13 | 2018-07-24 | 哈尔滨工程大学 | Electrical heating air circulating type drying box |
-
2011
- 2011-11-16 CN CN2011204545555U patent/CN202393175U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103453736A (en) * | 2013-08-30 | 2013-12-18 | 南京威安新材料科技有限公司 | Air blasting drying box |
| CN103776242B (en) * | 2014-01-13 | 2018-07-24 | 哈尔滨工程大学 | Electrical heating air circulating type drying box |
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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: 20120822 Termination date: 20151116 |
|
| EXPY | Termination of patent right or utility model |