CN203941468U - A kind of miniature water temperature control system - Google Patents
A kind of miniature water temperature control system Download PDFInfo
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- CN203941468U CN203941468U CN201420291673.2U CN201420291673U CN203941468U CN 203941468 U CN203941468 U CN 203941468U CN 201420291673 U CN201420291673 U CN 201420291673U CN 203941468 U CN203941468 U CN 203941468U
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Abstract
The utility model patent discloses a kind of miniature water temperature control system, by peristaltic pump, latex flexible pipe, control module, and heating module, refrigerating module forms.Peristaltic pump is connected with heating module by latex flexible pipe, and heating module is connected with refrigerating module, and control module is connected with heating module and refrigerating module.Control module is controlled heating module and refrigerating module, by startup, is heated or cooling is made water temperature constant.This system architecture is simple, is easy to realize, and it is accurate, reliable that temperature is controlled, and operates practical and convenient, cheap.This equipment provides stable water temperature condition in the time of can be for the cultivation of experiment desk research microfauna, physiology and kinematics behavioural characteristic.Also the parts that can be used as other instruments are used for, for instrument operation provides required isoperibol condition, taking care of yourself the accuracy of test simultaneously.
Description
Technical field
The utility model relates to instrument and equipment field, is specifically related to a kind of miniature water temperature control system.Be applicable to the heating of rill water gaging or cooling, make it be stabilized in steady temperature, take that this provides necessary isoperibol condition as miniature hydrobiological Growth and reproduction, and provide isoperibol support for miniature hydrobiological kinematics behavior, growth rate and studies of the life histories.The applied range of this equipment, can be and take kinematics behavior, growth rate and the studies of the life histories of the miniature aquatic animal that Magna class is representative necessary isoperibol support is provided.
Background technology
Along with socioeconomic, develop rapidly, China's water environmental problems is increasingly serious, and the whole nation has nearly 50% section, 90% urban waters to be subject to pollution in various degree at present.River, the north has water all dirty, and due to stream pollution, anhydrous situation of drinking occurs again and again in south; Water pollutes the healthy and productive life that has injured the people, and the whole nation has people more than 300,000,000 cannot obtain safe drinking water at present.The situation that severe water pollutes is had higher requirement to monitoring water environment, early warning and protection, and particularly the frequent water contamination accident occurring has been beaten alarm bell to water supply security.Water quality safety, as the most important ingredient of ecological safety, is directly connected to people's life and health and social harmony and stabilizes the situation as a whole, and is the important leverage of building a well-off society in an all-round way.Carrying out monitoring water environment, source of early warning research and development, ensure water safety, is the work arrangements of carrying out the Party Central Committee, State Council, also build a well-off society in an all-round way, and the Important Action of implementing a scientific outlook on development.
Along with people are for the improving constantly of Environmental security understanding of importance, environment to be carried out in the process of safety evaluation, the effect of bio-toxicity monitoring performance is increasing.By the bio-toxicity in different levels, monitor, can solve the environment comprehensive toxicity problem that conventional chemical monitoring cann't be solved, the biology toxicity effect of assessment pollutant.Utilizing hydrobiont to carry out bio-toxicity monitoring as indicator organism and can directly reflect that quality of water environment changes biological impact and the extent of injury, is a kind of directly and the most effectively means that realize monitoring water environment object.
Some kind in the hydrobiont to external world variation of environment (as poisonous and harmful substance enters) is very responsive, and its susceptibility is far away higher than the mankind, can send warning before damaging at the venomous injurant human body of verifying, thus protection drinking water source safety.The water Magna of take in hydrobiont is example, it is when being subject to poisonous and harmful substance injury, motor behavior, as the speed of moving about, the height that moves about, the trajectory shape that moves about, the track number of moving about in the unit interval, the speed of growth, position (can be to the low region clustering of poisonous and harmful substance concentration owing to going after profits and advoiding disadvantages) of occurring in region etc. all can change, can utilize these behaviouristics to change to characterize the size of water body toxicity.Water Magna has obtained international generally approval as toxotest indicator organism, and international standard ISO 6341-1982 < < water quality---the depressomotor mensuration of Daphnia magna > > and standard GB/T/T13266-91 < < water quality-material all adopts Daphnia magna (flea class) in animal plankton as test organisms to (Daphnia magna) determination of acute toxicity method > >.
When research water Magna Physiology and biochemistry and kinematics behavioral characteristic, need constant water temperature condition.Main illumination box or the air-conditioning of utilizing in laboratory regulates at present, but effect is not good enough.Incubator can be controlled temperature preferably, but inner space is less, is unfavorable for carrying out other work studys, at present most cultivations for miniature organism.The temperature fluctuation range that air-conditioning regulates is larger, be difficult to water temperature to be controlled at a certain steady temperature, and power consumption is large, and cost is high.Mostly existing water temperature control system is, for heating or cooling simple function equipment, need to buy the constant temperature effect that two kinds of equipment could be realized rill water gaging in the market, and equipment often volume is larger, power consumption is larger, effect is not good enough.In the urgent need to researching and developing the temperature control device of the rill water gaging using in a kind of laboratory, need to there is the dual-use function of heating and cooling, and accuracy of temperature control is high, power consumption is little, volume is little, cost is low, be easy to use.
Utility model content
The purpose of this utility model be for Magna class cultivate and test process in to the constant technical need of water temperature, by research and development, design and integrated innovation, a kind of miniature water temperature control system is provided, has comprised that control module, heating system and three parts of cooling system form.This system has solved the technical matters of following two aspects: (1) system possesses heating system and cooling system, water temperature can be stabilized on arbitrary design temperature of 15 ℃～30 ℃, temperature error ± 0.5 ℃, has well met Magna class and has cultivated and test request.(2) switch on power again after utilizing liquid level gauge to detect water, avoided the situation of anhydrous dry combustion method, strong protection device.(3) temperature controller adopts PID control principle, and PID is after adjusting, and Lookup protocol ratio, integration, differential parameter, export 4～20 milliamperes of pressure regulation signals to solid-state relay, and heating rod power is regulated automatically from 0-100%, and the efficiency of heating surface is improved greatly.
The purpose of this utility model can realize by following technical proposal:
A miniature water temperature control system, comprises peristaltic pump, also comprises control module and the heating module being connected with control module respectively and refrigerating module,
Heating module comprises the heating chamber of both ends open, heating chamber one end is provided with front panel, the heating chamber other end is provided with rearmounted panel, between front panel and rearmounted panel and heating chamber, be provided with O-ring seal, in heating chamber, be provided with heating rod and liquid level gauge, in front panel, be provided with heating water inlet, on rearmounted panel, be provided with and add hot water outlet, heating water inlet is connected with peristaltic pump; Refrigerating module comprises aluminium alloy plate and the Ya Geli plate being fixed, between aluminium alloy plate and Ya Geli plate, be provided with latex diaphragm seal, sub-Gree plate inner side offers snakelike tank and ellipse groove, snakelike tank one end is communicated with the coolant intake being arranged on Ya Geli plate, the snakelike tank other end is communicated with elliptical slot, in ellipse groove, be filled with spongin, ellipse groove is communicated with the cooling water outlet mouth being arranged on Ya Geli plate, coolant intake with add hot water outlet and be communicated with, in ellipse groove, be also provided with temperature sensor, on aluminium alloy plate, be provided with fan.
Control module as above comprises the fluid level controller being connected with liquid level gauge, the temperature controller being connected with temperature sensor, the solid-state relay being connected with heating rod, and temperature controller is also connected with fan, solid-state relay respectively.
Heating water inlet as above is provided with filter screen.
Sub-Gree plate as above also offers the vent port being communicated with elliptical slot.
This product possesses heating module and refrigerating module simultaneously, compares with domestic like product, and temperature constant is effective, and has realized the temperature control of low discharge, environmental protection and energy saving more.Owing to having increased liquid level gauge detection, avoided the situation of equipment dry combustion method, safer.And this equipment is due to fan for cooling, rather than traditional cooling compressor, makes cost cheaper, the cost price of equipment set is 5000 yuan of left and right.
This equipment can provide stable water temperature condition for cultivation, physiology and the kinematics behavioural characteristic of experiment desk research microfauna.The parts that simultaneously also can be used as other instruments provide required constant water temperature condition for instrument operation, as can be the critical component of Magna class toxicity instrument, for the test of Magna class provides stable environmental baseline etc.
The utility model compared with prior art has following beneficial effect:
(1) this equipment has the dual-use function of heating and cooling, compares with other temperature control devices, and accuracy of temperature control obviously improves, and precision can reach ± and 0.5 ℃.
(2) equipment has been realized low discharge (5-50ml/ minute) thermostatic control, and power consumption is little, operating cost is low, is easy to use.
(3) equipment has been owing to having increased liquid-level probe and fluid level controller, and making, when water level auto-breaking during lower than liquid-level probe, has increased the security of equipment.
Accompanying drawing explanation
Fig. 1 is the outside schematic diagram of the control module of native system;
Fig. 2 is the connection diagram of heating module, refrigerating module and the peristaltic pump of native system;
Fig. 3 is the electrical principle schematic diagram of native system;
Fig. 4 is the control module external interface schematic diagram of native system;
Fig. 5 is the main TV structure schematic diagram of heating module;
Fig. 6 is the side-looking structural representation of heating module;
Fig. 7 is the inner structure schematic diagram of refrigerating module;
Fig. 8 is the external structure schematic diagram of refrigerating module;
Fig. 9 is the temperature variations of the current of the constant temperature after system in embodiment.
In figure: 1-control module, 2-heating module, 3-refrigerating module, 4-peristaltic pump, 5-fixed card one, 6-latex flexible pipe;
1-A-display panel, 1-B-switch, 1-C-temperature sensor interface, 1-D-interface of the level gauge, 1-E-fan interface, 1-F-control module shell, 1-G-heating rod interface, 1-H fluid level controller, 1-I temperature controller, 1-J level switch, 1-K-solid-state relay;
2-A-heats water inlet, 2-B-filter screen, and 2-C-adds hot water outlet, 2-D-M3 fixed screw, 2-E liquid level gauge, 2-F vent port, 2-G heating rod, 2-H-front panel, the rearmounted panel of 2-I-, 2-J-heating chamber, 2-K-O-ring seal;
3-A-coolant intake, 3-B-cooling water outlet mouth, 3-C-elliptical slot, 3-D-vent port, 3-E-latex diaphragm seal, 3-F-snakelike tank, 3-G-temperature sensor, 3-H-spongin, 3-I-aluminium alloy plate, 3-J-M5 fixed screw, the sub-Gree plate of 3-K-, 3-L fan, 3-M-fixed card two, 3-N-thermovent, 3-O-refrigerating module shell.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
A kind of miniature water temperature control system, comprise three nucleus modules, it is control module 1, heating module 2, refrigerating module 3, its principle of work is for utilizing control module 1 to control heating module 2 and refrigerating module 3, and control module 1 can also regulate the heating power of heating module 2, constant by heating or the cooling water temperature that makes.Heating module 2 is fixed on refrigerating module 3 by fixed card 1.Peristaltic pump 4 (model FB100-1F) is by latex flexible pipe 6 for system provides stationary flow, and peristaltic pump can regulate water velocity as required.
Control module 1 as above, its control module shell 1-F is made by Ya Geli plate, front is fixed with temperature controller 1-I and switch 1-B, and the display panel 1-A on temperature controller 1-I is used for demonstration in real time and set temperature parameter, and switch 1-B is used for switching on or off the power supply of control module 1; Shell 1-F is equipped with temperature sensor interface 1-C in side successively, interface of the level gauge 1-D, fan interface 1-E, heating rod interface 1-G, is convenient to be connected with temperature sensor 3-G, heating rod 2-G, fan 3-L and liquid level gauge 2-E with other two modules respectively by data line.Shell 1-F inner fixing (M5 screw is fixed) has temperature controller 1-I, fluid level controller 1-H, level switch 1-J, solid-state relay 1-K.Temperature controller 1-I is connected with temperature sensor 3-G by temperature sensor interface 1-C, is used for receiving the data of temperature sensor 3-G; Temperature controller 1-I connects solid-state relay 1-K, and solid-state relay 1-K is connected with heating rod 2-G by heating rod interface 1-G, is used for controlling the power of heating rod 2-G; Temperature controller 1-I is connected with fan 3-L by fan interface 1-E, is used for starting or stoping fan 3-L work, thus feedwater flow cooling; Fluid level controller 1-H is connected with level switch 1-J and liquid level gauge 2-E, is used for receiving liquid level gauge 2-E information, receives closed level switch 1-J after information, and whole control module 1 circuit is connected, and starts working.
Each number of element types is as follows: temperature sensor 3-G is PT100 platinum resistance temp probe, be used for water temperature detection, heating rod 2-G power is 80W, fan 3-L model is CoolMaster CPU radiator fan, temperature controller 1-I model is Omron E5Z, fluid level controller 1-H model is glad clever HHY11PG, and solid-state relay 1-K is SSR10da (10a) model that the open-birth of FOTEK/ sun is produced.Control module 1 job order is for detecting current as liquid level gauge 2-E, information is passed to fluid level controller 1-H, now level switch 1-J is closed, circuit is connected, temperature sensor 3-G, temperature controller 1-I and solid-state relay 1-K work, temperature sensor 3-G passes to temperature controller 1-I by temperature information, temperature controller 1-I is set temperature and actual temperature relatively, when actual temperature is during lower than set temperature, temperature controller 1-I adopts PID control principle, PID is after adjusting, Lookup protocol ratio, integration, differential parameter, export 4～20 milliamperes of pressure regulation signals to solid-state relay 1-K, heating rod power is regulated automatically from 0～100%.When actual water temperature is during higher than set temperature, temperature controller 1-I will start fan 3-L cooling.
Heating module 2 as above, by front panel 2-H, heating chamber 2-J and rearmounted panel 2-H, three is by stainless steel material processing and fabricating, then by M3 fixed screw 2-D, be formed by connecting, between above three, with O-ring seal 2-K sealing, form the main space of heating chamber 2-J, be used for flow heated water.Heating water inlet 2-A is positioned at front panel 2-H bottom, and filter screen 2-B is housed, and current enter by heating water inlet 2-A, and process filter screen 2-B (40 order) elimination particle suspensions is in order to avoid blocking pipe.Liquid level gauge 2-E is fixed on heating chamber 2-J top 1/4 with self screw and locates on the lower side, and liquid level gauge 2-E gos deep into heating chamber 2-J inside and is used for surveying heating chamber and has non-water flow, in order to avoid dry combustion method damages heating rod 2-G.Heating rod 2-G one end is fixed on heating chamber 2-J top, and it is inner that heating part gos deep into heating chamber 2-J, under the control of temperature controller 1-I and solid-state relay 1-K, current heated.Vent port 2-F is positioned at heating chamber 2-J top, is used for discharging bubble.Current after heating are discharged through adding hot water outlet 2-C, then enter refrigerating module water inlet 3-A.
Refrigerating module 3 as above, is fixed on aluminium alloy plate 3-I by Ya Geli plate 3-K by M5 fixed screw 3-J upper, between the two with latex diaphragm seal 3-E sealing.Sub-Gree plate 3-K is cut a hole into snakelike tank 3-F and elliptical slot 3-C in inner side, the latex diaphragm seal 3-E part corresponding with snakelike tank 3-F and elliptical slot 3-C is also by forced, guarantee that like this current flow according to the direction of snakelike tank 3-F, current enter snakelike tank 3-F through coolant intake 3-A, current in snakelike tank 3-F are at fan 3-L effect borehole cooling, through cooling current, enter elliptical slot 3-C, at the absorption of the spongin 3-H bubble removing that goes down, bubble is adsorbed by vent port 3-D and discharges.Through current cooling and removal bubble, through cooling water outlet mouth 3-B, discharge.Temperature sensor 3-G is contained in cooling water outlet mouth 3-B place, is used for testing water temperature and passes to temperature controller 1-I, to determine to start heating module 2 or refrigerating module 3.It is upper that fan 3-L is fixed on aluminium alloy plate 3-I with fixed card two 3-M, is used for to the current cooling in snakelike tank 3-F.Aluminium alloy plate 3-I is fixed in refrigerating module shell 3-O with M5 fixed screw 3-J, forms an integral body, is convenient to place and move.
A kind of using method of miniature water temperature control system is, first with data line, temperature sensor interface 1-C is connected with temperature sensor 3-G, interface of the level gauge 1-D is connected with liquid level gauge 2-E, and fan interface 1-E is with fan 3-L and be connected, and heating rod interface 1-G is connected with heating rod 2-G.With latex flexible pipe 6 (internal diameter 3mm), peristaltic pump 4 is connected with the heating water inlet 2-A of heating module 2, the hot water outlet 2-C that adds of heating module 2 is connected with the coolant intake 3-A of refrigerating module 3, cooling water outlet mouth 3-B, vent port 2-F and vent port 3-D connect latex flexible pipe 6, are used for respectively draining and exhaust.Connect after pipeline and data line, open switch 1-B, and start peristaltic pump 4, now current enter heating module 2 under the effect of peristaltic pump, when liquid level gauge, 2-E detects current, and information is passed to fluid level controller 1-H, and now level switch 1-J is closed, heating module 2 circuit are connected, temperature sensor 3-G, temperature controller 1-I and solid-state relay 1-K work.Utilize display panel 1-A design temperature, temperature sensor 3-G passes to temperature controller 1-I by temperature information, temperature controller 1-I is set temperature and actual temperature relatively, when actual temperature is during lower than set temperature, 4～20 milliamperes of pressure regulation signals of temperature controller 1-I output are to solid-state relay 1-K, thereby heating rod 2-G power is regulated automatically from 0～100%, thereby current are heated.Solid-state relay 1-K can control break-make by temperature controller 1-I, and temperature controller 1-I regulates the voltage of solid-state relay 1-K output by the current signal of 4-20mA, thereby regulates the power of heating rod.When actual water temperature is during higher than set temperature, temperature controller 1-I will start fan 3-L cooling.Current reach the temperature of setting under the effect of heating module 2 and refrigerating module 3.Through heating or cooling current, through cooling water outlet mouth 3-B, discharge, can obtain the constant current of continuous temperature.As changing temperature, need only need change design temperature at display panel 1-A.This equipment can meet when initial water temperature is during at 0～40 ℃, when sample introduction flow is 0～50ml/ minute, can make water flow temperature stablize the arbitrary temp in 15～30 ℃.
Embodiment 1:
Apply this equipment for the cultivation of Magna class and test constant temperature current are provided, according to above-mentioned connected mode, connect equipment, open switch 1-B, and start peristaltic pump 4, and now current flow with 20ml/ minute under the effect of peristaltic pump enters heating module 2, and after approximately 5 minutes, liquid level gauge 2-E detects current, information is passed to fluid level controller 1-H, now level switch 1-J is closed, and heating module 2 circuit are connected, temperature sensor 3-G, temperature controller 1-I and solid-state relay 1-K work.Utilize display panel 1-A by Temperature Setting at 19.5 ℃, temperature sensor 3-G passes to temperature controller 1-I by 17.5 ℃ of initial water temperatures, because actual temperature is lower than set temperature, temperature controller 1-I starts heating rod heating automatic regulating power by solid-state relay 1-K, thereby current are heated.The real time temperature information that temperature controller 1-I transmits according to temperature sensor 3-G is constantly adjusted the power of heating rod 2-G.After approximately 10 minutes, the current water temperature stability that cooling water outlet mouth 3-B discharges, at 19.5 ± 0.5 ℃, has obtained the constant current of continuous temperature and has supplied experiment used.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (4)
1. a miniature water temperature control system, comprises peristaltic pump (4), it is characterized in that, also comprises control module (1) and the heating module (2) being connected with control module (1) respectively and refrigerating module (3),
Heating module (2) comprises the heating chamber (2-J) of both ends open, heating chamber (2-J) one end is provided with front panel (2-H), heating chamber (2-J) other end is provided with rearmounted panel (2-I), between front panel (2-H) and rearmounted panel (2-I) and heating chamber (2-J), be provided with O-ring seal (2-K), in heating chamber (2-J), be provided with heating rod (2-G) and liquid level gauge (2-E), in front panel (2-H), be provided with heating water inlet (2-A), on rearmounted panel (2-I), be provided with and add hot water outlet (2-C), heating water inlet (2-A) is connected with peristaltic pump (4),
Refrigerating module (3) comprises aluminium alloy plate (3-I) and the Ya Geli plate (3-K) being fixed, between aluminium alloy plate (3-I) and Ya Geli plate (3-K), be provided with latex diaphragm seal (3-E), sub-Gree plate (3-K) inner side offers snakelike tank (3-F) and ellipse groove (3-C), snakelike tank (3-F) one end is communicated with the coolant intake (3-A) being arranged on Ya Geli plate (3-K), snakelike tank (3-F) other end is communicated with elliptical slot (3-C), in ellipse groove (3-C), be filled with spongin (3-H), ellipse groove (3-C) is communicated with the cooling water outlet mouth (3-B) being arranged on Ya Geli plate (3-K), coolant intake (3-A) with add hot water outlet (2-C) and be communicated with, in ellipse groove (3-C), be also provided with temperature sensor (3-G), on aluminium alloy plate (3-I), be provided with fan (3-L).
2. a kind of miniature water temperature control system according to claim 1, it is characterized in that, described control module (1) comprises the fluid level controller (1-H) being connected with liquid level gauge (2-E), the temperature controller (1-I) being connected with temperature sensor (3-G), the solid-state relay (1-K) being connected with heating rod (2-G), and temperature controller (1-I) is also connected with fan (3-L), solid-state relay (1-K) respectively.
3. a kind of miniature water temperature control system according to claim 2, is characterized in that, described heating water inlet (2-A) is provided with filter screen (2-B).
4. a kind of miniature water temperature control system according to claim 3, is characterized in that, described Ya Geli plate (3-K) also offers the vent port (3-D) being communicated with elliptical slot (3-C).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201420291673.2U CN203941468U (en) | 2014-06-03 | 2014-06-03 | A kind of miniature water temperature control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420291673.2U CN203941468U (en) | 2014-06-03 | 2014-06-03 | A kind of miniature water temperature control system |
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| CN203941468U true CN203941468U (en) | 2014-11-12 |
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| CN201420291673.2U Withdrawn - After Issue CN203941468U (en) | 2014-06-03 | 2014-06-03 | A kind of miniature water temperature control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104166414A (en) * | 2014-06-03 | 2014-11-26 | 武汉昌宝环保工程有限公司 | Small-sized water temperature control system |
| CN106527524A (en) * | 2016-12-22 | 2017-03-22 | 天津长飞鑫茂光通信有限公司 | Efficient intensive coating water bath temperature control system |
-
2014
- 2014-06-03 CN CN201420291673.2U patent/CN203941468U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104166414A (en) * | 2014-06-03 | 2014-11-26 | 武汉昌宝环保工程有限公司 | Small-sized water temperature control system |
| CN104166414B (en) * | 2014-06-03 | 2016-04-06 | 武汉昌宝环保工程有限公司 | A kind of miniature water temperature control system |
| CN106527524A (en) * | 2016-12-22 | 2017-03-22 | 天津长飞鑫茂光通信有限公司 | Efficient intensive coating water bath temperature control system |
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| C14 | Grant of patent or utility model | ||
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| AV01 | Patent right actively abandoned |
Granted publication date: 20141112 Effective date of abandoning: 20160406 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |