CN208549032U - The heating device of liquid substance constant temperature is maintained when micro- sem observation liquid substance - Google Patents
The heating device of liquid substance constant temperature is maintained when micro- sem observation liquid substance Download PDFInfo
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- CN208549032U CN208549032U CN201821236050.XU CN201821236050U CN208549032U CN 208549032 U CN208549032 U CN 208549032U CN 201821236050 U CN201821236050 U CN 201821236050U CN 208549032 U CN208549032 U CN 208549032U
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Abstract
The utility model proposes the heating devices that liquid substance constant temperature is maintained when a kind of micro- sem observation liquid substance, comprising: heating heating wire and culture dish；Silicone insulation material, the cladding heating heating wire setting of silicone insulation material, and it is set to the bottom of culture dish, to form silica gel heating pad；Temperature thermocouple silk, with the temperature of liquid substance in detection culture dish；And PID temperature controller module, for being turned on or off according to the temperature controlling and heating circuit of liquid substance, so that the temperature of liquid substance meets target temperature, to maintain the purpose of liquid substance constant temperature by silica gel heating pad and culture dish heat exchange.The device is heated using the heating wire of silicone insulation material cladding, maintains the constant of liquid substance temperature in culture dish by adjusting the electric current of heating heating wire, have many advantages, such as can be directly placed on objective table, easy to operate, heating fastly, temperature control it is accurate.
Description
Technical field
The utility model relates to tie up when a kind of analytical and testing instrument technical field, in particular to micro- sem observation liquid substance
Hold the heating device of liquid substance constant temperature.
Background technique
In chemical production and scientific research, it is often necessary to observe liquid substance online by microscope in different temperatures
Variation.Although traditional water-bath, electric jacket, insulating box etc. can make liquid substance temperature constant, cannot achieve by micro-
Mirror observes heating liquid substance online.Have the production of INSTEC company currently on the market is exclusively used in microscopical changing device, can
Realize consecutive variations of the temperature at -78 DEG C -250 DEG C, but its is complicated for operation, equipment is expensive.And this changing device has a drawback:
Microscope can only use the object lens of long reach to be observed.For 100 times of object lens, its operating distance can not also be utilized
This changing device finds liquid substance, limits the use of the changing device.In addition, domestic microscope constant temperature heating plate is main
It is to be heated to the cell in glass slide.Although may be implemented to directly heat in this way, due to use condition (cells survival
37 DEG C of temperature) limitation, high temperature, 50 DEG C of maximum heating temperature ability cannot be heated to.Again because constant temperature heating plate has certain height,
The object lens using long reach are needed, cost is increased.
Utility model content
The utility model is intended to solve at least some of the technical problems in related technologies.
For this purpose, a purpose of the utility model is to propose to maintain liquid substance when a kind of micro- sem observation liquid substance
The heating device of constant temperature, which can be directly placed on objective table, easy to operate, and heating is fast, and temperature control is accurate.
In order to achieve the above objectives, liquid is maintained when on the one hand the utility model proposes a kind of micro- sem observation liquid substance
The heating device of substance constant temperature, comprising:
Heat heating wire and culture dish；
Silicone insulation material, the cladding heating heating wire setting of silicone insulation material, and it is set to the bottom of culture dish, with shape
At silica gel heating pad；
Temperature thermocouple silk, with the temperature of liquid substance in detection culture dish；
And PID temperature controller module, for being turned on or off according to the temperature controlling and heating circuit of liquid substance,
So that the temperature of liquid substance meets target temperature, to maintain liquid substance constant temperature by silica gel heating pad and culture dish heat exchange
Purpose.
The heating device of liquid substance constant temperature is maintained when the micro- sem observation liquid substance of the utility model, it is exhausted using silica gel
The heating wire of edge material cladding controls heating device by adjusting electric current, realizes the liquid substance temperature in culture dish
Constant demand has many advantages, such as that easy to operate, heating is fast, temperature control is accurate, cheap, safe to objective table, and may be used also
Liquid substance under different temperatures is observed online using realizing on the instruments such as common object lens, fluorescence microscope, Laser Scanning Confocal Microscope
Optical morphology variation, facilitates in each laboratory to promote.
Further, the heating device of liquid substance constant temperature is maintained when the micro- sem observation liquid substance further include: set
The thermal insulation layer being placed between silica gel heating pad and microscope carrier, to prevent in temperature conduction to microscope carrier.
Optionally, the thermal insulation layer is ceramic fibre sheathing paper.
Further, the size of current that the PID temperature controller module is also used to adjust heating heating wire adds to control
The rate of heat addition of thermoelectricity heated filament.
Further, in the culture dish liquid substance actual temperature trealThe temperature measured with the temperature thermocouple silk
DegreeT thermometric lineBe it is equal, no longer need to convert.
Further, the PID temperature controller module is also used to be generated according to the temperature and target temperature of liquid substance
Indicate the feedback signal of current heated condition.
Further, the feedback signal is the signal for increaseing or decreasing the electric current of heating heating wire.
The additional aspect of the utility model and advantage will be set forth in part in the description, partially will be from following description
In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
The utility model is above-mentioned and/or additional aspect and advantage from the following description of the accompanying drawings of embodiments will
Become obvious and be readily appreciated that, in which:
Liquid substance constant temperature is maintained when Fig. 1 is the micro- sem observation liquid substance according to the utility model one embodiment
Schematic diagram of heating device；
Fig. 2 is the circuit connection diagram according to the heating device shown in FIG. 1 of the utility model one embodiment；
Fig. 3 is reeded according to the changing out the culture dish in Fig. 1 heating device into of the utility model one embodiment
The structural schematic diagram of glass slide.
Description of symbols:
The heating device of liquid substance constant temperature, 100- is maintained to heat heating wire, 200- when the micro- sem observation liquid substance of 10-
Culture dish, 300- silicone insulation material, 400- temperature thermocouple silk, 500-PID Temperature control module, 600- ceramic fibre every
Hot paper, 700- open reeded glass slide, 1- AC power source (220VAC), 2- relay, 3- indicator and 4- temperature sensor.
Specific embodiment
The embodiments of the present invention are described below in detail, the example of embodiment is shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the utility model, and should not be understood as the limit to the utility model
System.
Maintaining liquid when the micro- sem observation liquid substance proposed according to the utility model embodiment is described with reference to the accompanying drawings
The heating device of body substance constant temperature is described.
The heating of liquid substance constant temperature is maintained when Fig. 1 is the micro- sem observation liquid substance of the utility model one embodiment
The structural schematic diagram of device.
As shown in Figure 1, the device 10 includes: heating heating wire 100, culture dish 200, silicone insulation material 300, thermometric heat
Thermocouple wire 400, PID temperature controller module 500 and ceramic fibre sheathing paper 600.
Wherein, culture dish 200 is used for microorganism or the laboratory glassware of cell culture, silicone insulation material 300
Heating heating wire setting is coated in silicone insulation material, and is set to the bottom of culture dish, to form silica gel heating pad.Thermometric heat
Thermocouple wire 400 is used to detect the temperature of liquid substance in culture dish.PID temperature controller module 500 is used for according to liquid substance
Temperature controlling and heating circuit be turned on or off so that the temperature of liquid substance meets target temperature, to pass through silica gel heating
Pad and culture dish exchange heat to maintain the purpose of liquid substance constant temperature.The device 10 of the embodiments of the present invention can be directly placed at
Easy to operate on objective table, heating is fast, and temperature control is accurate.
Further, in one embodiment of the utility model, when micro- sem observation liquid substance, maintains liquid substance
The heating device of constant temperature further include: the thermal insulation layer being set between silica gel heating pad and microscope carrier, to prevent temperature from passing
It leads on microscope carrier.
It is to reduce temperature and dissipate it will be appreciated that thermal insulation layer is arranged between silica gel heating pad and microscope carrier
Lose, so reduce because temperature it is unstable caused by micro- sem observation liquid substance when error, can also prevent because temperature is excessively high right
Instrument causes unnecessary harm to happen.
Further, in one embodiment of the utility model, thermal insulation layer can be ceramic fibre sheathing paper 600.
Wherein, ceramic fibre sheathing paper 600 is by alumina silicate system refractory fibre plus on a small quantity through science selection and stringent control
Bonding agent processed produces, it have it is high-strength it is anti-tear pull, high-flexibility, heat shock resistance, the performances such as extremely low thermal conductivity, using pottery
Porcelain fibrous thermal paper 600 can prevent in the temperature conduction to objective table of silica gel heating pad, protect objective table.
It should be noted that the thickness of silica gel heating pad (100 and 300) is in 1.6-1.8mm or so, ceramic fibre sheathing paper
600 thickness in 1mm or so, therefore it is whole culture dish 200 is raised into 2.6-2.8mm, raise apart from small, be suitable for number objects big absolutely
The operating distance of mirror.
Further, in one embodiment of the utility model, PID temperature controller module can be also used for adjustment and add
The size of current of thermoelectricity heated filament heats the rate of heat addition of heating wire to control.
Further, in one embodiment of the utility model, PID temperature controller module be can be also used for according to liquid
The temperature and target temperature of body substance generate the feedback signal for indicating current heated condition.
Further, in one embodiment of the utility model, the actual temperature t of liquid substance in culture dishrealWith
The temperature t that temperature thermocouple silk measuresThermometric lineBe it is equal, no longer need to convert.
Specifically, the temperature t that temperature thermocouple silk 400 measuresThermometric lineIt is needed with the liquid substance of predetermined set to be achieved
Target temperature T generates a feedback signal, thus to control heating device, so that operational simplerization.
Further, in one embodiment of the utility model, feedback signal is to increased or decrease heating heating wire
The signal of electric current.
That is, feedback signal is generated according to the temperature of liquid substance and the comparable situation of target temperature, if measure
Temperature tThermometric lineGreater than the liquid substance target temperature T of predetermined set, then the signal for reducing the electric current of heating heating wire is fed back；If surveying
The temperature t obtainedThermometric lineLess than the liquid substance target temperature T of predetermined set, then the signal for increasing the electric current of heating heating wire is fed back.
Here be to the utility model proposes micro- sem observation liquid substance when maintain liquid substance constant temperature heating dress
It sets and is described in detail.
As shown in Figure 1, and maintain the constant heating device-silica gel thermostat structural schematic diagram of liquid mass temperature,
Wherein, heating heating wire 100 is placed on composition silica gel heating pad inside silicone insulation material 300.Temperature thermocouple silk 400 is placed
In 200 the inside of culture dish, for measuring the temperature of liquid substance, and a temperature signal is generated.PID temperature controller module 500
Temperature collection signal, judges whether temperature reaches assigned temperature, and the electric current of silica gel heating pad is controlled by internal relay
On-off, thus the final control realized to liquid substance temperature in culture dish 200 of heat exchange for passing through silica gel heating pad and culture dish 200
System.
As liquid substance actual temperature treal(and temperature thermocouple silk measures temperature tThermometric line) lower than wish to reach
In the case where target temperature T, i.e. target temperature T and trealDifference is greater than 0, and calculation procedure provides feedback signal, by controlling silicon
The electric current of glue oven heated heating wire, continuous heating.As liquid substance actual temperature trealThe case where higher than target temperature T
Under, the feedback signal of heating current of electric heating wire is interrupted in calculation procedure sending, to reduce the rate of heat addition, heating heating wire is made to stop adding
Heat, until the difference of target temperature and the actual temperature is equal to 0.By this method, liquid substance temperature can be controlled to reach
To the required target temperature T of user.
Silica gel heating pad is exchanged heat by culture dish 200, is finally reached liquid substance temperature in control culture dish 200
Purpose.
In addition, as shown in Fig. 2, being the circuit connection diagram of utility model device.Indicator 3,4 and of temperature sensor
The generally PID temperature controller module 500 of temperature thermocouple silk 400.Heater circuit (AC power source 1, relay 2 and heating electricity
Heated filament 100) and temperature control circuit (AC power source 1, relay 2, indicator 3, temperature sensor 4 and temperature thermocouple silk 400) is simultaneously
Join, temperature control circuit normal open in relay 2, heater circuit access when lower than liquid substance institute scheduled temperature T.When thermometric thermoelectricity
The temperature t that thermo wires 400 is surveyedThermometric lineWhen more than the scheduled temperature T of liquid substance institute, feedback letter can be issued by temperature sensor 4
Number, so that relay 2 is interrupted heater circuit, heating 100 no current of heating wire passes through, and heating wire no longer generates heat.Work as tThermometric lineIt is low
When liquid substance institute scheduled temperature T, feedback signal can be issued by temperature sensor 400, relay 2 is made to allow heater circuit
Access, heating heating wire 100 continue to generate heat, increase the temperature of liquid substance in culture dish 200, be finally reached and work as tThermometric lineIt is equal to
The scheduled temperature T of liquid substance institute, the purpose of liquid substance constant temperature in culture dish 200.
It should be noted that the utility model proposed micro- sem observation liquid substance when maintain liquid substance constant temperature
Heating device, it is not limited to heat culture dish 100, heating glass slide is also feasible, as shown in figure 3, can be by fluid to be measured object
Matter is put into out in reeded glass slide 700, the optical signature of observation liquid substance at different temperatures.The device is able to achieve
Any temperature is constant in 25 DEG C -200 DEG C.In addition, liquid substance is heated evenly because its structure is simple, single unit system height is low,
It is of less demanding to object lens, online observation liquid substance under the microscope can also be placed, if colloidal sol microballoon is in 90 DEG C of silicone oil
Variation, the transition process of observation colloidal sol microballoon to gel micro-ball, and the mechanism of apparent gel micro-ball adhesion polymerization.
The heating of liquid substance constant temperature is maintained when the micro- sem observation liquid substance proposed according to the utility model embodiment
Device, the heating wire coated using silicone insulation material are controlled heating device by adjusting electric current, realized in culture dish
The constant demand of middle liquid substance temperature, with easy to operate, heating is fast, temperature control is accurate, cheap, safe etc. to objective table
Advantage, and it is of less demanding to microscope magnification, and then common object lens, fluorescence microscope, Laser Scanning Confocal Microscope can be used
The optical morphology variation that liquid substance under online observation different temperatures is realized on equal instruments, facilitates in each laboratory to promote.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.The meaning of " plurality " is at least two, such as two in the description of the present invention,
It is a, three etc., unless otherwise specifically defined.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with
It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field
Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into
Row combination and combination.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
Inside it can make changes, modifications, alterations, and variations to the above described embodiments.
Claims (7)
1. maintaining the heating device of liquid substance constant temperature when a kind of micro- sem observation liquid substance characterized by comprising
Heat heating wire and culture dish；
Silicone insulation material, the cladding heating heating wire setting of silicone insulation material, and it is set to the bottom of culture dish, to form silicon
Glue heating cushion；
Temperature thermocouple silk, with the temperature of liquid substance in detection culture dish；And
PID temperature controller module, for being turned on or off according to the temperature controlling and heating circuit of liquid substance, so that liquid
The temperature of substance meets target temperature, to maintain the purpose of liquid substance constant temperature by silica gel heating pad and culture dish heat exchange.
2. the apparatus according to claim 1, which is characterized in that further include:
The thermal insulation layer being set between silica gel heating pad and microscope carrier, to prevent temperature conduction to microscope carrier
On.
3. the apparatus of claim 2, which is characterized in that the thermal insulation layer is ceramic fibre sheathing paper.
4. the apparatus according to claim 1, which is characterized in that the PID temperature controller module is also used to adjust heating
The size of current of heating wire heats the rate of heat addition of heating wire to control.
5. the apparatus according to claim 1, which is characterized in that the actual temperature t of liquid substance in the culture dishrealWith
The temperature that the temperature thermocouple silk measuresT thermometric lineBe it is equal, no longer need to convert.
6. the apparatus according to claim 1, which is characterized in that the PID temperature controller module is also used to according to liquid
The temperature and target temperature of substance generate the feedback signal for indicating current heated condition.
7. device according to claim 6, which is characterized in that the feedback signal is to increased or decrease heating heating wire
The signal of electric current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821236050.XU CN208549032U (en) | 2018-08-01 | 2018-08-01 | The heating device of liquid substance constant temperature is maintained when micro- sem observation liquid substance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821236050.XU CN208549032U (en) | 2018-08-01 | 2018-08-01 | The heating device of liquid substance constant temperature is maintained when micro- sem observation liquid substance |
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| Publication Number | Publication Date |
|---|---|
| CN208549032U true CN208549032U (en) | 2019-02-26 |
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| CN201821236050.XU Active CN208549032U (en) | 2018-08-01 | 2018-08-01 | The heating device of liquid substance constant temperature is maintained when micro- sem observation liquid substance |
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| Country | Link |
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