CN105805400A - Temperature control valve element assembly, temperature control valve, a micro-channel control chip and control system - Google Patents
Temperature control valve element assembly, temperature control valve, a micro-channel control chip and control system Download PDFInfo
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- CN105805400A CN105805400A CN201610324343.2A CN201610324343A CN105805400A CN 105805400 A CN105805400 A CN 105805400A CN 201610324343 A CN201610324343 A CN 201610324343A CN 105805400 A CN105805400 A CN 105805400A
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- temperature
- valve
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- control
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/002—Actuating devices; Operating means; Releasing devices actuated by temperature variation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/025—Actuating devices; Operating means; Releasing devices electric; magnetic actuated by thermo-electric means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Temperature-Responsive Valves (AREA)
Abstract
The invention relates to a temperature control valve element assembly, a temperature control valve, a micro-channel control chip and a control system. The temperature control valve element assembly comprises a liquid storage cavity. Liquid in the liquid storage cavity expands when the temperature rises or contracts when the temperature drops through a temperature control device to drive a valve element to move so as to close or open the valve. The temperature control valve element assembly controls liquid expansion through the temperature to control the valve element, the defects that a traditional solenoid valve is large in size and a control circuit is complex are overcome, through the temperature control principle, the valve can be miniaturized, the control manner is changed into direct-current control from traditional alternate control, the circuit structure is optimized, and meanwhile the noise can be reduced effectively when the valve works.
Description
Technical field
The present invention relates to a kind of micro fluidic control field, be specifically related to a kind of temperature controlled valve core assembly, temperature-sensing valve, fluid channel control chip and control system.
Background technology
The practicality of valve is very extensive, all has use in a lot of fields, especially electromagnetic valve, and its principle is to realize valve by electromagnetic induction principle to open or close, and the shortcoming of this mode is: relatively big and valve the aperture of the volume of valve is difficult to accomplish accurate adjustment.
Therefore, in order to solve above-mentioned technical problem, it is necessary to design a kind of novel temperature controlled valve core assembly, to realize, volume is little, valve opening accurately controls.
Summary of the invention
It is an object of the invention to provide a kind of temperature controlled valve core assembly, to realize valve is opened or closed control by temperature.
In order to solve above-mentioned technical problem, the invention provides a kind of temperature controlled valve core assembly, including: liquid storage cylinder, this liquid storage intracavity liquid is heated up by attemperating unit to expand or lower the temperature and shrinks, and to drive spool to move, makes valve close or open.
Further, described attemperating unit includes: processor module, for liquid storage intracavity liquid carries out temperature controlled semiconductor refrigeration sheet, and described semiconductor refrigeration sheet is connected with driving module；Described processor module is suitable to by driving module to control semiconductor refrigeration sheet intensification, or changes its electric current outbound course by controlling driving module, it is achieved semiconductor refrigeration sheet is lowered the temperature；And described processor module is also connected with the temperature sensor being used for detecting temperature of liquid.
Further, described processor module is also connected with key-press module, display module, by being set the opening value of valve by key-press module, shows through display module；Described processor module is suitable to be converted to the temperature value of liquid storage intracavity liquid by the opening value set；Or after valve is opened, if desired turn the aperture of valve down, then by semiconductor refrigeration sheet, liquid storage intracavity liquid is heated up；Or after valve is opened, if desired tune up the aperture of valve, then by semiconductor refrigeration sheet, liquid storage intracavity liquid is lowered the temperature.
Another aspect, present invention also offers a kind of spool driving method.
Described spool driving method includes: being heated up by liquid is expanded or lower the temperature shrinks to drive spool to move, and makes valve close or open.
The third aspect, present invention also offers a kind of temperature-sensing valve.
This temperature-sensing valve includes: valve body, is provided with described temperature controlled valve core assembly in valve body.
Fourth aspect, present invention also offers a kind of temperature control valve control system.
Described temperature control valve control system includes: be respectively arranged in the described temperature-sensing valve of each runner, and each temperature-sensing valve is by PC control；It is corresponding aperture that described host computer is suitable to control each temperature-sensing valve, to control the flow velocity of each runner liquid.
The temperature controlled valve core assembly of the present invention, spool driving method, temperature-sensing valve and temperature control valve control system provide the benefit that: by the temperature control to expansion of liquids, to realize the control to spool, overcome the big problem of conventional solenoid valve volume, by the principle of temperature control, valve can be carried out miniaturization optimization, also can effectively reduce noise when valve works simultaneously.
5th aspect, present invention also offers a kind of fluid channel temperature-sensing valve, to realize fluid flow in fluid channel is controlled.
In order to solve above-mentioned technical problem, described fluid channel temperature-sensing valve includes: be positioned at the valve body of fluid channel control chip, is provided with temperature controlled valve core assembly in valve body.
Further, described temperature controlled valve core assembly includes: liquid storage cylinder, and this liquid storage intracavity liquid is heated up by attemperating unit and expands or cooling contraction, to drive spool to move, makes valve close or open；Described attemperating unit processor module, for liquid storage intracavity liquid being carried out temperature controlled semiconductor refrigeration sheet, described semiconductor refrigeration sheet is connected with driving module；Described processor module is suitable to by driving module to control semiconductor refrigeration sheet intensification, or changes its electric current outbound course by controlling driving module, it is achieved semiconductor refrigeration sheet is lowered the temperature；Described processor module is also connected with the temperature sensor being used for detecting temperature of liquid；And described processor module is also connected with key-press module, display module, by being set the opening value of valve by key-press module, show through display module；Described processor module is suitable to be converted to the temperature value of liquid storage intracavity liquid by the opening value set；Or after valve is opened, if desired turn the aperture of valve down, then by semiconductor refrigeration sheet, liquid storage intracavity liquid is heated up；Or after valve is opened, if desired tune up the aperture of valve, then by semiconductor refrigeration sheet, liquid storage intracavity liquid is lowered the temperature.
6th aspect, present invention also offers a kind of fluid channel control chip, is integrated in chip body by temperature-sensing valve, to meet the regulation and control needs of corresponding biotic experiment, detection convection cell.
In order to solve above-mentioned technical problem, described fluid channel control chip includes some fluid channel, and is provided with described fluid channel temperature-sensing valve at least one fluid channel.
7th aspect, present invention also offers a kind of fluid channel and controls system, to realize the control to fluid channel control chip.
Described fluid channel controls system and is applicable to fluid channel control chip, wherein said fluid channel controls system and includes: host computer, this host computer is suitable to be connected with processor module in each fluid channel temperature-sensing valve, control each fluid channel temperature-sensing valve and meet corresponding opening value, so that each fluid channel liquid flows according to different ratio or reaction sequence, or enter in reaction tank.
The fluid channel temperature-sensing valve of the present invention, fluid channel control chip and fluid channel control system, the same principle adopting temperature control achieves the control to valve, and temperature-sensing valve is integrated in fluid channel control chip, meet Flow-rate adjustment between each fluid channel liquid, enrich experimental data and experiment effect.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the structural representation of the temperature controlled valve core assembly of the present invention；
Fig. 2 is the control principle drawing of the temperature controlled valve core assembly of the present invention；
Fig. 3 be the present invention fluid channel temperature-sensing valve in the structural representation of temperature controlled valve core assembly；
Fig. 4 be the present invention fluid channel temperature-sensing valve in the structural representation of the second embodiment of temperature controlled valve core assembly；
Fig. 5 be the present invention fluid channel temperature-sensing valve in structural representation when valve cuts out of the second embodiment of temperature controlled valve core assembly；
Fig. 6 is the structural representation of fluid channel control chip 3.
Detailed description of the invention
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, and the basic structure of the present invention is only described in a schematic way, and therefore it only shows the composition relevant with the present invention.
Embodiment 1
As it is shown in figure 1, a kind of temperature controlled valve core assembly 1 of the present invention, including: liquid storage cylinder 101, in this liquid storage cylinder 101, liquid is heated up by attemperating unit and expands or cooling contraction, to drive spool 102 to move, makes valve close or open.
As in figure 2 it is shown, concrete, described attemperating unit includes: processor module, for liquid in liquid storage cylinder 101 carries out temperature controlled semiconductor refrigeration sheet 103, and described semiconductor refrigeration sheet 103 is connected with driving module；Described processor module is suitable to by driving module control semiconductor refrigeration sheet 103 to heat up, or changes its electric current outbound course by controlling driving module, it is achieved semiconductor refrigeration sheet 103 is lowered the temperature；And described processor module is also connected with the temperature sensor 104 being used for detecting temperature of liquid.
Concrete, semiconductor refrigeration sheet 103 can be, but not limited to be wrapped in the outside of liquid storage cylinder 101.
Preferably, described driving module includes: the push-pull drive unit being connected with processor module, the transformer coupled unit being connected with push-pull drive unit, the rectification output unit being connected with transformer coupled unit, the outfan of this rectification output unit is connected with sense of current switch unit, and this sense of current switch unit is connected with semiconductor refrigeration sheet；Wherein, described sense of current switch unit includes positive voltage output subelement, negative voltage output subelement, alternative analog switch subelement, the concrete input of described alternative analog switch subelement is connected with the outfan of described rectification output unit, the first of this alternative analog switch subelement, second outfan exports the input of subelement and negative voltage output subelement respectively and is connected with described positive voltage, the outfan that described positive voltage output subelement exports subelement with negative voltage is connected with the feeder ear of described semiconductor refrigeration sheet, to realize sense of current switching.
Further, described processor module is connected with key-press module, display module, by being set the opening value of valve by key-press module, shows through display module；Described processor module is suitable to be converted to the temperature value of liquid storage intracavity liquid by the opening value set；Or after valve is opened, if desired turn the aperture of valve down, then by semiconductor refrigeration sheet, liquid storage intracavity liquid is heated up；Or after valve is opened, if desired tune up the aperture of valve, then by semiconductor refrigeration sheet, liquid storage intracavity liquid is lowered the temperature.
Concrete, liquid is selected such as but not limited to hydrargyrum, ethanol etc., i.e. the coefficient of volume expansion and temperature line relationship, it is possible to obtains the corresponding relation between temperature and valve body aperture based on experience value, namely can realize according to temperature control valve body aperture.
Wherein, described spool 102 includes: being suitable to by the piston rod 108 of liquid driven, this piston rod 108 front end is provided with the pressure ring 109 opened or closed for valve.
Concrete, fluid enters in valve body from inlet 106, i.e. valve pocket 105, then flows out from valve pocket 105 from liquid outlet 107, and when controlling valve opening, or valve is opened, or when valve cuts out, piston rod 108 drives pressure ring 109 to move realization.
Embodiment 2
On embodiment 1 basis, present invention also offers a kind of spool driving method.
Described spool driving method, being heated up by liquid is expanded or lower the temperature shrinks to drive spool to move, even if valve cuts out or opens.
Embodiment 3
On embodiment 1 basis, present invention also offers a kind of temperature-sensing valve.
Described temperature-sensing valve includes: valve body, is provided with described temperature controlled valve core assembly in valve body.
Embodiment 4
On embodiment 3 basis, present invention also offers a kind of temperature control valve control system.
Described temperature control valve control system includes: be respectively arranged in the described temperature-sensing valve of each runner, and each temperature-sensing valve is by PC control；It is corresponding aperture that described host computer is suitable to control each temperature-sensing valve, to control the flow velocity of each runner liquid.
This temperature control valve control system can be widely applied to the experiment such as chemical industry, biology, detection field, the supply of the fluid such as sample, raw material can be controlled, and then reaction speed and effect, and avoid conventional solenoid valve and be not easily controlled the technical problem of aperture, it is greatly reduced the volume of valve body simultaneously, reduces noise, it is easy to temperature control valve control system and is capable of miniaturization, reduce cost.
Embodiment 5
As shown in Figures 3 to 6, present invention also offers a kind of fluid channel temperature-sensing valve 300.
Described fluid channel temperature-sensing valve 300, including: it is positioned at the valve body of fluid channel control chip 3, in valve body, is provided with temperature controlled valve core assembly 2.
Described temperature controlled valve core assembly 2 includes: liquid storage cylinder 201, and in this liquid storage cylinder 201, liquid is heated up by attemperating unit and expands or cooling contraction, to drive spool 208 to move, makes valve close or open；Described attemperating unit processor module, for liquid in liquid storage cylinder 201 being carried out temperature controlled semiconductor refrigeration sheet 203, described semiconductor refrigeration sheet 203 is connected with driving module；Described processor module is suitable to by driving module control semiconductor refrigeration sheet 203 to heat up, or changes its electric current outbound course by controlling driving module, it is achieved semiconductor refrigeration sheet is lowered the temperature；Described processor module is also connected with the temperature sensor 204 being used for detecting temperature of liquid；And described processor module is also connected with key-press module, display module, by being set the opening value of valve by key-press module, show through display module；Described processor module is suitable to be converted to the temperature value of liquid storage intracavity liquid by the opening value set；Or after valve is opened, if desired turn the aperture of valve down, then by semiconductor refrigeration sheet 203, liquid in liquid storage cylinder 201 is heated up；Or after valve is opened, if desired tune up the aperture of valve, then by semiconductor refrigeration sheet, liquid storage intracavity liquid is lowered the temperature.
Wherein, described driving module can adopt the appropriate technical solution in embodiment 1.
Concrete, after fluid channel accesses fluid channel with temperature-sensing valve, fluid enters in valve body from inlet 206, i.e. valve pocket 205, then flows out from valve pocket 205 from liquid outlet 207, and when controlling valve opening, or valve is opened, or when valve cuts out, piston rod 208 controls valve pocket 205.
Concrete, described fluid channel temperature-sensing valve can utilize the stepped construction of chip to realize, namely liquid storage cylinder 201 can etch in the surface of intermediate layer chip, described semiconductor refrigeration sheet 203 is positioned on the upper strata chip of liquid storage cylinder 201, or liquid storage cylinder 201 adopts engraved structure on the chip of intermediate layer, and constitutes respective cavities by upper and lower layer chip laminate；Semiconductor refrigeration sheet 203 is positioned at upper and lower layer chip；Such as it is shown on figure 3, semiconductor refrigeration sheet 203 major part is blocked by liquid storage cylinder 201, only exposed portion.
As shown in Figure 4 and Figure 5, as this fluid channel another kind of optional embodiment of temperature-sensing valve, to optimize the structure of this fluid channel temperature-sensing valve further, simplified piston rod 208, this fluid channel has been used temperature-sensing valve miniaturization.Concrete, the sidewall of the described adjacent valve pocket of liquid storage cylinder 201 adopts elastomeric material, for instance but be not limited to polydimethylsiloxane (Polydimethylsioxane) and be called for short PDMS, it is a kind of the macromolecule organic silicon compound, it has optical clear, the soft yielding advantage of matter.
In liquid storage cylinder 201 under the pressure of expansion of liquids, making elastomeric material deform upon, to produce to change the internal diameter of valve pocket 205, and then the aperture realizing fluid channel temperature-sensing valve controls.
Further, in liquid storage cylinder 201, liquid is selected such as but not limited to hydrargyrum, ethanol etc., i.e. the coefficient of volume expansion and temperature line relationship, it is possible to obtains the corresponding relation between temperature and valve body aperture based on experience value, namely can realize according to temperature control valve body aperture.
Embodiment 6
As shown in Figure 6, on embodiment 5 basis, present invention also offers a kind of fluid channel control chip 3.
Described fluid channel control chip 3, including some fluid channel 301, and is provided with described fluid channel temperature-sensing valve 300 at least one fluid channel；Optionally, described each fluid channel 301 converges to a reaction tank 302.
Embodiment 7
On embodiment 6 basis, present invention also offers a kind of fluid channel and control system.
Described fluid channel controls system and is applicable to described fluid channel control chip, wherein said fluid channel controls system and includes: host computer, this host computer is suitable to be connected with processor module in each fluid channel temperature-sensing valve, control each fluid channel temperature-sensing valve 300 and meet corresponding opening value, so that each fluid channel liquid flows according to different ratio or reaction sequence, or enter in reaction tank.
With the above-mentioned desirable embodiment according to the present invention for enlightenment, by above-mentioned description, relevant staff in the scope not necessarily departing from this invention technological thought, can carry out various change and amendment completely.The technical scope of this invention is not limited to the content in description, it is necessary to determine its technical scope according to right.
Claims (10)
1. a temperature controlled valve core assembly, it is characterised in that including: liquid storage cylinder, this liquid storage intracavity liquid is heated up by attemperating unit and expands or cooling contraction, to drive spool to move, makes valve close or open.
2. temperature controlled valve core assembly according to claim 1, it is characterised in that described attemperating unit includes: processor module, for liquid storage intracavity liquid carries out temperature controlled semiconductor refrigeration sheet, described semiconductor refrigeration sheet is connected with driving module；
Described processor module is suitable to by driving module to control semiconductor refrigeration sheet intensification, or changes its electric current outbound course by controlling driving module, it is achieved semiconductor refrigeration sheet is lowered the temperature；And
Described processor module is also connected with the temperature sensor being used for detecting temperature of liquid.
3. temperature controlled valve core assembly according to claim 2, it is characterised in that described processor module is also connected with key-press module, display module, by being set the opening value of valve by key-press module, is shown through display module；
Described processor module is suitable to be converted to the temperature value of liquid storage intracavity liquid by the opening value set；
Namely after valve is opened, if desired turn the aperture of valve down, then by semiconductor refrigeration sheet, liquid storage intracavity liquid is heated up；
Or after valve is opened, if desired tune up the aperture of valve, then by semiconductor refrigeration sheet, liquid storage intracavity liquid is lowered the temperature.
4. a spool driving method, it is characterised in that being heated up by liquid is expanded or lower the temperature shrinks to drive spool to move, and makes valve close or open.
5. a temperature-sensing valve, it is characterised in that including: valve body, is provided with the temperature controlled valve core assembly as described in any one of claim 1-3 in valve body.
6. a temperature control valve control system, it is characterised in that including: be respectively arranged in the temperature-sensing valve as claimed in claim 5 of each runner, and each temperature-sensing valve is by PC control；
It is corresponding aperture that described host computer is suitable to control each temperature-sensing valve, to control the flow velocity of each runner liquid.
7. a fluid channel temperature-sensing valve, it is characterised in that including: be positioned at the valve body of fluid channel control chip, is provided with temperature controlled valve core assembly in valve body.
8. fluid channel temperature-sensing valve as claimed in claim 7, it is characterised in that described temperature controlled valve core assembly includes: liquid storage cylinder, this liquid storage intracavity liquid is heated up by attemperating unit to expand or lower the temperature and shrinks, and to drive spool to move, makes valve close or open；
Described attemperating unit processor module, for liquid storage intracavity liquid being carried out temperature controlled semiconductor refrigeration sheet, described semiconductor refrigeration sheet is connected with driving module；
Described processor module is suitable to by driving module to control semiconductor refrigeration sheet intensification, or changes its electric current outbound course by controlling driving module, it is achieved semiconductor refrigeration sheet is lowered the temperature；
Described processor module is also connected with the temperature sensor being used for detecting temperature of liquid；And
Described processor module is also connected with key-press module, display module, by being set the opening value of valve by key-press module, shows through display module；
Described processor module is suitable to be converted to the temperature value of liquid storage intracavity liquid by the opening value set；
Namely after valve is opened, if desired turn the aperture of valve down, then by semiconductor refrigeration sheet, liquid storage intracavity liquid is heated up；
Or after valve is opened, if desired tune up the aperture of valve, then by semiconductor refrigeration sheet, liquid storage intracavity liquid is lowered the temperature.
9. a fluid channel control chip, it is characterised in that include some fluid channel, and be provided with fluid channel temperature-sensing valve as claimed in claim 7 at least one fluid channel.
10. a fluid channel controls system, it is characterised in that described fluid channel controls system and is applicable to fluid channel control chip as claimed in claim 9, wherein
Described fluid channel controls system and includes: host computer, this host computer is suitable to be connected with processor module in each fluid channel temperature-sensing valve, control each fluid channel temperature-sensing valve and meet corresponding opening value, so that each fluid channel liquid flows according to different ratio or reaction sequence, or enter in reaction tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610324343.2A CN105805400A (en) | 2016-05-16 | 2016-05-16 | Temperature control valve element assembly, temperature control valve, a micro-channel control chip and control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610324343.2A CN105805400A (en) | 2016-05-16 | 2016-05-16 | Temperature control valve element assembly, temperature control valve, a micro-channel control chip and control system |
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| CN105805400A true CN105805400A (en) | 2016-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610324343.2A Pending CN105805400A (en) | 2016-05-16 | 2016-05-16 | Temperature control valve element assembly, temperature control valve, a micro-channel control chip and control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108065502A (en) * | 2017-12-27 | 2018-05-25 | 温州职业技术学院 | A kind of ventilation footwear sole construction |
| CN112178213A (en) * | 2020-09-30 | 2021-01-05 | 赵鑫 | High-temperature high-pressure environment electromagnetic valve |
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| CN108065502A (en) * | 2017-12-27 | 2018-05-25 | 温州职业技术学院 | A kind of ventilation footwear sole construction |
| CN112178213A (en) * | 2020-09-30 | 2021-01-05 | 赵鑫 | High-temperature high-pressure environment electromagnetic valve |
| CN112178213B (en) * | 2020-09-30 | 2022-05-06 | 扬州苏油油成商贸实业有限公司 | High-temperature high-pressure environment electromagnetic valve |
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Application publication date: 20160727 |