CN104865993A - Constant-temperature constant-humidity box for electrostatic spinning and method for realizing constant temperature and constant humidity - Google Patents
Constant-temperature constant-humidity box for electrostatic spinning and method for realizing constant temperature and constant humidity Download PDFInfo
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- CN104865993A CN104865993A CN201510136534.1A CN201510136534A CN104865993A CN 104865993 A CN104865993 A CN 104865993A CN 201510136534 A CN201510136534 A CN 201510136534A CN 104865993 A CN104865993 A CN 104865993A
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Abstract
The invention relates to a constant-temperature constant-humidity box for electrostatic spinning and a method for realizing constant temperature and constant humidity. The box comprises a work chamber, a processing chamber, and a refrigeration and dehumidifying apparatus, wherein the work chamber, the processing chamber, and the refrigeration dehumidifying apparatus are arranged in the box body. A circulating air duct is arranged in the work chamber; and an inlet and an outlet of the circulating air duct are connected with the processing chamber. The refrigeration and dehumidifying apparatus includes semiconductor refrigeration plates; and a refrigeration end of each semiconductor refrigeration plate is arranged in the circulating air duct. And an exhaust fan is arranged at the inlet of the circulating air duct. According to the invention, the semiconductor refrigeration plates are used for carrying out cooling and dehumidification on recirculating air; and the recirculating air is recycled continuously in the processing chamber and the work chamber under active suction of the exhaust fan and the effect of the circulating air duct, thereby controlling the humidity and temperature in the processing chamber. Because vibration and noises of the exhaust fan and the semiconductor refrigeration plates are low, the provided constant-temperature constant-humidity box is especially suitable for precise electrostatic spinning. The box and method can be applied to temperature and humidity control of electrostatic spinning.
Description
Technical field
The present invention relates to electrostatic spinning field, particularly a kind of climatic chamber and constant temperature and humidity method being applicable to electrostatic spinning.
Background technology
Electrostatic spinning is a kind of special fiber fabrication process, and polymer solution or melt carry out jet spinning in highfield.Under electric field action, the drop at syringe needle place can become taper shape (i.e. " taylor cone ") from spherical, and obtains fiber filaments from conical end extension.This mode can produce the polymer filaments of nanometer grade diameter, is a kind of very effective method preparing ultrafine fiber.In spinning process, the deposition location of its jet and the string diameter of spinning are subject to the impact of the factor such as temperature, humidity, and how ensureing that the epidemic disaster of electrospinning device processing space is stablized is present urgent problem.
Traditional thermostatic constant wet equipment generally all adopts heating tube and compressor and evaporator to ensure the epidemic disaster in casing, but such shortcoming: be in refrigeration and dehumidifying link, during compressor operating, vibrations and noise all can be larger, and electrostatic spinning processing is a kind of Ultra-precision Turning, an accurate processing environment must be ensured, particularly will avoid shaking and the impact of the factors such as noise.
Summary of the invention
In order to overcome above-mentioned technical matters, the object of the present invention is to provide a kind of climatic chamber being applicable to electrostatic spinning reducing noise and vibrations.
The technical solution adopted in the present invention is:
A kind of climatic chamber being applicable to electrostatic spinning, comprise be positioned at casing operating room, Processing Room and refrigerated dehumidification device, circulation air path is provided with in described operating room, the entrance and exit of described circulation air path is communicated with Processing Room, described refrigerated dehumidification device comprises semiconductor chilling plate, the refrigeration end of described semiconductor chilling plate is positioned at circulation air path, and the entrance of described circulation air path is provided with air exhauster.
As a further improvement on the present invention, the exit of described circulation air path is provided with heating arrangement.
As a further improvement on the present invention, described heating arrangement comprises ptc heater and is arranged on the Air Blast fan on ptc heater, and the wind in circulation air path exit is sent into Processing Room by described Air Blast fan.
As a further improvement on the present invention, be provided with humidifier in described operating room, the outlet of described humidifier is connected in the humidification interface of circulation air path by humidifier tube, and described humidification interface is between semiconductor chilling plate and the outlet of circulation air path.
As a further improvement on the present invention, temperature sensor and humidity sensor is provided with in described Processing Room.
As a further improvement on the present invention, described temperature sensor and humidity sensor divide level signal to be connected with controller, and described controller signals connects semiconductor chilling plate and air exhauster.
As a further improvement on the present invention, it is outer and be connected to heat exhausting pipe that the heating end of described semiconductor chilling plate is positioned at circulation air path, and described heat exhausting pipe passes to outside casing.
As a further improvement on the present invention, the heating end of described semiconductor chilling plate and/or refrigeration end are connected to heat radiator.
As a further improvement on the present invention, the below of described semiconductor chilling plate is provided with catchments and drainage arrangement, described in catchment and drainage arrangement comprises water leg and drainpipe, described drainpipe is by draining into outside casing in water leg.
The present invention also discloses a kind of constant temperature and humidity method being applicable to electrostatic spinning, its technical scheme adopted is: regulate the refrigerating capacity of semiconductor chilling plate according to the temperature and humidity of Processing Room and suck the air quantity of circulation air path from Processing Room, thus regulate the temperature and humidity of recirculating air in circulation air path exit, and the recirculating air with suitable temperature and humidity is imported Processing Room.
The invention has the beneficial effects as follows: the present invention adopts semiconductor chilling plate to cool recirculating air, dehumidifies, recirculating air is constantly recycled by the active suction of air exhauster and acting in Processing Room and operating room of circulation air path, thus the humidity and temperature of controlled working indoor, due to the vibrations of air exhauster and semiconductor chilling plate and noise all very little, therefore this climatic chamber is suitable for accurate electrostatic spinning very much.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, the present invention is further described.
Fig. 1 is the front view of climatic chamber;
Fig. 2 is the rear view of climatic chamber;
Fig. 3 is that the axle of climatic chamber measures intention;
Fig. 4 is casing and box house schematic diagram.
Embodiment
The climatic chamber being applicable to electrostatic spinning as shown in Figures 1 to 4, the numerical control box 12 comprising casing 1 and be connected to below casing 1.Casing 1 hollow, forms an inner chamber, is provided with vertical dividing plate 13 in inner chamber, thus inner chamber is divided into the Processing Room 3 being positioned at front and the operating room 2 being positioned at rear.The shell of casing 1 and two opposite faces of dividing plate 13 are all provided with view window (in figure, view window is not illustrated), to facilitate the work and processing situation of observing casing 1 inside.Top and the bottom of dividing plate 13 all have groove, form the air-permeating hole 14 be communicated with Processing Room 3 operating room 2.
Temperature is constant during in order to ensure work and in Processing Room 3, is filled with heat-insulation layer, prevents the loss of heat in casing 1 and external heat from having an impact to casing 1 inside between the shell and inner chamber of casing 1.Certainly, view window is also made by thermal insulation glass material.
As shown in Figure 1 and Figure 4, in casing 1, also installation is provided with refrigerated dehumidification device and circulation air path 4.Refrigerated dehumidification device at least comprises two block semiconductor cooling pieces 5.Semiconductor chilling plate 5 is also thermoelectric module, and it comprises a refrigeration end and a heating end.Two block semiconductor cooling pieces 5 are arranged on two blocks of fixing sheet materials respectively, and two refrigeration end are oppositely arranged.Above-mentioned two boards material is connected to also vertical on dividing plate 13 setting, and therefore surround about one passage arranged with dividing plate 13 and form a refrigerated dehumidification chamber with this, the refrigeration end of semiconductor chilling plate 5 is positioned at this passage.This passage forms a part for circulation air path 4 simultaneously, and the main air duct being connected to these passage two ends forms the remainder of circulation air path 4.The entrance of circulation air path 4 lower end is positioned at the air-permeating hole place of dividing plate 13 lower end, and the outlet of circulation air path 4 upper end is positioned at the air-permeating hole place of dividing plate 13 upper end, and so, Processing Room 3 can be communicated with operating room 2 by circulation air path 4.An air exhauster 6 is installed in the porch of circulation air path 4, from Processing Room 3, active exhaust is in circulation air path 4, air dries through the cooling of semiconductor chilling plate 5 refrigeration end, get back in Processing Room 3 by the outlet drain of circulation air path 4 again, thus form the wind path of a circulation, and then reach the effect of cooling, dehumidifying.
Semiconductor chilling plate 5 do not produce in the course of the work vibrations and noise, the vibrations of air exhauster 6 and noise also can be ignored, thus for can be fabulous during electrostatic spinning replacement conventional art in compressor cooling.
Preferably, heating arrangement is provided with in the exit of described circulation air path 4.When the temperature of Processing Room 3 lower and the process requirements of electrostatic spinning can not be met time, the air-out of circulation air path 4 can be carried out heat temperature raising by heating arrangement and deliver to Processing Room 3 again, ensures constant temperature demand.Although the object of heating arrangement heats up, the object of semiconductor chilling plate 5 is coolings, also can't contradiction when both use simultaneously, be cold wet gas current, now then need elder generation to be dehumidified in advance by semiconductor chilling plate 5, heat up afterwards again in such as Processing Room 3; Or be hot wet gas current in Processing Room 3, but temperature the is decreased beyond predetermined value of semiconductor chilling plate 5, so then carry out temperature compensation by heating arrangement.
In embodiment, heating arrangement comprises ptc heater 7 and is arranged on the Air Blast fan 8 on ptc heater 7.The wind in circulation air path 4 exit is sent into Processing Room 3 by Air Blast fan 8, and it is heated that these wind can be through ptc heater 7, also can without heating, and the effect of Air Blast fan 8 is active wind-guidings.
In addition, the humidity sometimes in Processing Room 3 can seem inadequate, so needs to increase its humidity.Therefore, be provided with humidifier 9 in the operating room 2 of the present embodiment, this humidifier 9 is at least a sprayer, and the outlet of sprayer is connected in the humidification interface of circulation air path 4 by humidifier tube 10, and humidification interface is between semiconductor chilling plate 5 and the outlet of circulation air path 4.
Preferably, in Processing Room 3, be provided with temperature sensor and humidity sensor (meaning not shown in the figures), in order to difference detected temperatures and humidity.Temperature sensor and humidity sensor divide level signal to be connected with controller, and controller at least signal connects semiconductor chilling plate 5 and air exhauster 6, change refrigerating capacity and air exhauster 6 rotating speed, the air quantity of semiconductor chilling plate 5 according to the temperature and humidity in operating room 2.Controller can be industrial computer, is arranged on casing 1 outer wall by support 15.Controller can also connect humidifier 9 and/or heating arrangement by synchronous signal, meets multiple adjustment requirement.In operating room 2, all right set temperature sensor and humidity sensor simultaneously, certainly, be also connected with controller signals.
Preferably, it is outer and be connected to heat exhausting pipe 11 that the heating end of semiconductor chilling plate 5 is positioned at circulation air path 4, and heat exhausting pipe 11 passes to outside casing 1.Such refrigeration end and heating end can come independently of one another in operating room 2, and do not influence each other, temperature more easily controls.
Preferably, at least one among the heating end of semiconductor chilling plate 5, refrigeration end is connected to heat radiator.Heat radiator mainly increases the area of heat transfer, and the heat radiator of heating end is also provided with cooling fan, hot blast is drawn into heat exhausting pipe 11.
Can moisture be separated out after semiconductor chilling plate 5 pairs of recirculating air cooling condensations, so thereunder arrange and catchment and drainage arrangement.Concrete, catchment and drainage arrangement comprises water leg 16 and drainpipe 17, water leg 16 is positioned at immediately below the refrigeration end of semiconductor chilling plate 5, and drainpipe 17 is connected on below water leg 16, by draining into outside casing 1 in water leg 16.
In embodiment, the function of constant temperature and humidity realizes mainly through the structure of casing 1 inside, and numerical control box 12 can be used for the installation of numerical control device, makes whole compact equipment.
Above-mentioned climatic chamber is applicable to keep stationary temperature and humidity in electrostatic spinning, user regulates the refrigerating capacity of semiconductor chilling plate 5 according to the temperature and humidity of Processing Room 3 and sucks the air quantity of circulation air path 4 from Processing Room 3, thus regulate the temperature and humidity of recirculating air in circulation air path 4 exit, and the recirculating air with suitable temperature and humidity is imported Processing Room 3.
The mode that above-mentioned process can manually regulate is carried out, and is more preferably realized by the mode of automatic control, as follows:
Epidemic disaster real-time in Processing Room 3 is gathered by temperature sensor and humidity sensor, be transferred to controller, controller controls heating arrangement, semiconductor chilling plate 5 and sprayer by control solid-state relay and regulates its epidemic disaster, regulates its air quantity by controlling air exhauster 6.
Temperature and humid control comprise but not only comprise following mode:
1) air exhauster 6 arrives after temperature compensation is carried out in ptc heater 7 heating through circulation air path 4 from the air that Processing Room 3 is extracted out and sends Processing Room 3 again to after refrigerated dehumidification, ensure that the stability of Processing Room 3 epidemic disaster;
2) air is not heated by controller control heater through circulation air path 4 and directly picks into Processing Room 3 by Air Blast fan 8 after refrigerated dehumidification, reaches the effect of refrigeration;
3) above-mentioned 1) and 2) can by sprayer humidification.
Because electrostatic spinning prepare for ultrafine fiber filament, be very easily subject to that air-flow is air-dry disturbs, so epidemic disaster quits work after stablizing various kinds equipment, the parts in room 2 in Processing Room 3, ensure the machining state in Processing Room 3.
The above is the preferred embodiment of the present invention, and it does not form limiting the scope of the invention.
Claims (10)
1. one kind is applicable to the climatic chamber of electrostatic spinning, it is characterized in that: comprise be positioned at casing (1) operating room (2), Processing Room (3) and refrigerated dehumidification device, circulation air path (4) is provided with in described operating room (2), the entrance and exit of described circulation air path (4) is communicated with Processing Room (3), described refrigerated dehumidification device comprises semiconductor chilling plate (5), the refrigeration end of described semiconductor chilling plate (5) is positioned at circulation air path (4), and the entrance of described circulation air path (4) is provided with air exhauster (6).
2. the climatic chamber being applicable to electrostatic spinning according to claim 1, is characterized in that: the exit of described circulation air path (4) is provided with heating arrangement.
3. the climatic chamber being applicable to electrostatic spinning according to claim 2, it is characterized in that: described heating arrangement comprises ptc heater (7) and is arranged on the Air Blast fan (8) on ptc heater (7), the wind in circulation air path (4) exit is sent into Processing Room (3) by described Air Blast fan (8).
4. according to the claim climatic chamber being applicable to electrostatic spinning according to claim 1, it is characterized in that: in described operating room (2), be provided with humidifier (9), the outlet of described humidifier (9) is connected to by humidifier tube (10) in the humidification interface of circulation air path (4), and described humidification interface is positioned between the outlet of semiconductor chilling plate (5) and circulation air path (4).
5. the climatic chamber being applicable to electrostatic spinning according to any one of claim 1 to 4, is characterized in that: described Processing Room is provided with temperature sensor and humidity sensor in (3).
6. the climatic chamber being applicable to electrostatic spinning according to claim 5, it is characterized in that: described temperature sensor and humidity sensor divide level signal to be connected with controller, described controller signals connects semiconductor chilling plate (5) and air exhauster (6).
7. the climatic chamber being applicable to electrostatic spinning according to any one of claim 1 to 4, it is characterized in that: the heating end of described semiconductor chilling plate (5) is positioned at circulation air path (4) and be connected to heat exhausting pipe (11) outward, and described heat exhausting pipe (11) passes to casing (1) outward.
8. the climatic chamber being applicable to electrostatic spinning according to claim 7, is characterized in that: heating end and/or the refrigeration end of described semiconductor chilling plate (5) are connected to heat radiator.
9. the climatic chamber being applicable to electrostatic spinning according to any one of claim 1 to 4, is characterized in that: the below of described semiconductor chilling plate (5) is provided with catchments and drainage arrangement.
10. one kind utilizes the constant temperature and humidity method being applicable to electrostatic spinning of climatic chamber according to any one of claim 1 to 9, it is characterized in that: regulate the refrigerating capacity of semiconductor chilling plate (5) according to the temperature and humidity of Processing Room (3) and suck the air quantity of circulation air path (4) from Processing Room (3), thus regulate the temperature and humidity of recirculating air in circulation air path (4) exit, and the recirculating air with suitable temperature and humidity is imported Processing Room (3).
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| CN201510136534.1A CN104865993B (en) | 2015-03-25 | 2015-03-25 | Climatic chamber and constant temperature and humidity method suitable for electrostatic spinning |
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| CN201510136534.1A CN104865993B (en) | 2015-03-25 | 2015-03-25 | Climatic chamber and constant temperature and humidity method suitable for electrostatic spinning |
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| CN104865993B CN104865993B (en) | 2017-12-12 |
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Cited By (12)
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| CN105588203A (en) * | 2015-11-25 | 2016-05-18 | 东华大学 | Device for controlling temperature and humidity of large-scale electrostatic spinning environment |
| CN106323858A (en) * | 2016-10-18 | 2017-01-11 | 中国矿业大学 | Rock and soil mass slacking test system and test method |
| CN107099863A (en) * | 2017-04-13 | 2017-08-29 | 哈尔滨工程大学 | A kind of heat radiation heated type electrostatic spinning machine |
| CN107296420A (en) * | 2017-07-06 | 2017-10-27 | 宜宾学院 | A kind of new cold-warm chair |
| CN107974718A (en) * | 2017-12-25 | 2018-05-01 | 大连民族大学 | The method that electrospinning fibre jetting stability environment is formed with controllable air flow |
| CN108103597A (en) * | 2018-01-10 | 2018-06-01 | 中山大学 | Electrospinning wire material reception device and Electrospun manufacturing equipment |
| CN108149335A (en) * | 2017-12-25 | 2018-06-12 | 大连民族大学 | Combined type electrospinning fiber jet environment control unit based on controllable air flow |
| CN108166079A (en) * | 2017-12-25 | 2018-06-15 | 大连民族大学 | Spray the controllable electrospinning fibre injection apparatus of environment and injection environment control method |
| CN111058104A (en) * | 2019-12-31 | 2020-04-24 | 浙江金海环境技术股份有限公司 | Environmental temperature control method, control device, melt-blown nonwoven material production line and preparation system |
| CN113388901A (en) * | 2021-07-15 | 2021-09-14 | 河北耐诺科技有限公司 | Electrostatic spinning equipment |
| CN113512774A (en) * | 2021-07-29 | 2021-10-19 | 中国科学院苏州生物医学工程技术研究所 | Near-field direct-writing micro-nano 3D electrostatic spinning device |
| CN114721452A (en) * | 2022-04-01 | 2022-07-08 | 南京工业大学 | Gas regulator |
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Cited By (22)
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| CN105588203A (en) * | 2015-11-25 | 2016-05-18 | 东华大学 | Device for controlling temperature and humidity of large-scale electrostatic spinning environment |
| CN105588203B (en) * | 2015-11-25 | 2018-05-15 | 东华大学 | A kind of device of magnitude control electrostatic spinning ambient temperature and humidity |
| CN106323858B (en) * | 2016-10-18 | 2018-09-21 | 中国矿业大学 | The test method of Rock And Soil slacking test system |
| CN106323858A (en) * | 2016-10-18 | 2017-01-11 | 中国矿业大学 | Rock and soil mass slacking test system and test method |
| CN107099863A (en) * | 2017-04-13 | 2017-08-29 | 哈尔滨工程大学 | A kind of heat radiation heated type electrostatic spinning machine |
| CN107296420A (en) * | 2017-07-06 | 2017-10-27 | 宜宾学院 | A kind of new cold-warm chair |
| CN109972211A (en) * | 2017-12-25 | 2019-07-05 | 大连民族大学 | Electrospinning injection apparatus Experimental Control System |
| CN109972210B (en) * | 2017-12-25 | 2020-09-04 | 大连民族大学 | Electrospinning fiber spraying environment control system based on controllable airflow combination mode |
| CN108166079A (en) * | 2017-12-25 | 2018-06-15 | 大连民族大学 | Spray the controllable electrospinning fibre injection apparatus of environment and injection environment control method |
| CN108166079B (en) * | 2017-12-25 | 2021-04-23 | 大连民族大学 | Electrospinning fiber spraying device with controllable spraying environment and spraying environment control method |
| CN107974718A (en) * | 2017-12-25 | 2018-05-01 | 大连民族大学 | The method that electrospinning fibre jetting stability environment is formed with controllable air flow |
| CN109972210A (en) * | 2017-12-25 | 2019-07-05 | 大连民族大学 | Electrospinning fibre sprays environmental control system |
| CN107974718B (en) * | 2017-12-25 | 2019-10-22 | 大连民族大学 | The method for forming electrospinning fibre jetting stability environment with controllable air flow |
| CN108149335A (en) * | 2017-12-25 | 2018-06-12 | 大连民族大学 | Combined type electrospinning fiber jet environment control unit based on controllable air flow |
| CN109972211B (en) * | 2017-12-25 | 2020-09-04 | 大连民族大学 | Combined electrospinning jet environment control device based on controllable airflow |
| CN108103597B (en) * | 2018-01-10 | 2020-01-31 | 中山大学 | Electrospinning material receiving device and electrospinning manufacturing equipment |
| CN108103597A (en) * | 2018-01-10 | 2018-06-01 | 中山大学 | Electrospinning wire material reception device and Electrospun manufacturing equipment |
| CN111058104A (en) * | 2019-12-31 | 2020-04-24 | 浙江金海环境技术股份有限公司 | Environmental temperature control method, control device, melt-blown nonwoven material production line and preparation system |
| CN113388901A (en) * | 2021-07-15 | 2021-09-14 | 河北耐诺科技有限公司 | Electrostatic spinning equipment |
| CN113388901B (en) * | 2021-07-15 | 2022-04-01 | 河北耐诺科技有限公司 | Electrostatic spinning equipment |
| CN113512774A (en) * | 2021-07-29 | 2021-10-19 | 中国科学院苏州生物医学工程技术研究所 | Near-field direct-writing micro-nano 3D electrostatic spinning device |
| CN114721452A (en) * | 2022-04-01 | 2022-07-08 | 南京工业大学 | Gas regulator |
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