CN205861592U - Specific heat of liquid analyzer - Google Patents
Specific heat of liquid analyzer Download PDFInfo
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- CN205861592U CN205861592U CN201620758078.4U CN201620758078U CN205861592U CN 205861592 U CN205861592 U CN 205861592U CN 201620758078 U CN201620758078 U CN 201620758078U CN 205861592 U CN205861592 U CN 205861592U
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- specific heat
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- heating section
- measurement
- conveying pipe
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Abstract
The open specific heat of liquid analyzer of this utility model, including fluid communication circuit module and automatic measuring and controlling module, described automatic measuring and controlling module includes measurement and control unit, observing and controlling sensor, power source control element and electronic balance, described observing and controlling sensor, power source control element and electronic balance are connected with measurement and control unit respectively, observing and controlling sensor and electronic balance are by collection data feedback to measurement and control unit, and described power source control element receives measurement and control unit instruction.The beneficial effects of the utility model: liquid specific heat capacity under the high temperature conditions can be measured；Temperature survey resolution is high, temperature precise control；Reduce radiation loss to greatest extent, reduce uncertainty of measurement；Improve the accuracy of testing result, expand its scope of application.
Description
Technical field
This utility model relates to a kind of measurement system regions, specially specific heat of liquid analyzer.
Background technology
Specific heat capacity, as the basic physical property of fluid, is evaluation fluid in current scientific research project and industrial processes
The important physical amount of matter especially functional fluid material, is also the important parameter during the design of fluid working substance hot systems and calculating
One of.Accurate fluid ratio thermal capacitance data rely primarily on experiment and measure acquisition, and its measuring method is a lot, according to calorie meter heat exchange
Mode difference can be divided into cooling method and the big class of heating two.Heating is easier to realize in engineering practice and experiment are measured,
Thus be widely used.Heating can be divided into again flow model and not flow-type ones two kinds.Along with material science, energy science, calculating
Developing rapidly of science and the science such as sensing, information and survey engineering technology, relevant measurement method the most perfect, means,
Instrument and equipment is the most advanced.
Ultimate principle, method change that specific heat of liquid is measured are little, its advance it is critical only that liquid thermal change with
Can variations in temperature accurately be measured.In the developed country such as American-European, Japanese, owing to industrial foundation is good, intellectual property system is perfect, city
Mechanism permanent benign competition running, various molding can be a lot of at the thermophysical property measurement instrument of laboratory and industrial application,
The instrument that wherein can measure specific heat of liquid has: 1) the micro-calorimeter of C80 of Sai Talamu company of France, this instrument Applicable temperature scope
For room temperature～300 DEG C, and this project needs to measure the specific heat capacity that liquid is at 0～350 DEG C；2) U.S. DECAGON company
KD2Pro Thermal characteristic analysis instrument, the Range of measuring temp of this instrument application is-50～150 DEG C, and specific heat measurement precision is 5%, its
Temperature range and certainty of measurement do not reach this project demand；3) the SHA-500 liquid of kyoto, Japan electronics industry Co., Ltd. (KEM)
Body specific heat calorimeter；This apparatus measures temperature range is 4～85 DEG C, and temperature range is narrower, it is impossible to be used for measuring high-temp liquid
Specific heat capacity.
At China, corresponding specific heat of liquid measuring instrument is the most overripened, and wherein that relative maturity is Xi'an Xia Xi
The HC2000 specific heat of liquid meter of Electronic Science and Technology Co., Ltd., other are the simple and crude measurement apparatus of comparison the most mostly, integrated and
Automaticity is low, there is the problems such as certainty of measurement is the highest, repeated, stability is bad, it is impossible to meet commercial Application demand.
In sum, existing specific heat of liquid measuring instrument device measuring temperature range is narrower, or precision is relatively low, collection
Cheng Huayu automaticity is low, and range of application is restricted, and is difficult to meet high-temp liquid specific heat capacity measurement demand.Therefore, having must
Develop the high accuracy specific heat capacity measuring instrument that can measure high-temp liquid.
Utility model content
The purpose of this utility model is the deficiency of the existence for above-mentioned prior art, it is provided that specific heat of liquid analyzer.
For solving above-mentioned technical problem, this utility model adopts the following technical scheme that specific heat of liquid analyzer, including
Fluid communication circuit module and automatic measuring and controlling module, described fluid communication circuit module includes shuttle, flow pump, calorimetric
Device, cooler and expansion tank, described shuttle is connected with flow pump by conveying pipe, and described flow pump is by conveying Guan Yuliang
Hot device connects, and described calorie meter is connected with cooler by conveying pipe, and described cooler is connected with expansion tank by conveying pipe, institute
State expansion tank to be connected with flow pump by conveying pipe；On conveying pipe between described expansion tank and flow pump, electromagnetic valve is set；Institute
State automatic measuring and controlling module and include measurement and control unit, observing and controlling sensor, power source control element and electronic balance, described observing and controlling sensor,
Power source control element and electronic balance are connected with measurement and control unit respectively, and collection data feedback is given by observing and controlling sensor and electronic balance
Measurement and control unit, described power source control element receives measurement and control unit instruction.
On conveying pipe between described shuttle and flow pump, filter and electromagnetic valve are installed, are used for filtering to be measured
Sample, it is ensured that sample to be measured can smooth and easy operate in fluid communication circuit module.
On conveying pipe between described flow pump and calorie meter, preheater is installed, for the measuring samples entering calorie meter
Carry out temperature preconditioning.
Described calorie meter includes thermometer and heating assembly, and two thermometeies are respectively arranged in the both sides of heating assembly.Its
In, described heating assembly is composed in series by the resistance bringing-up section of water inlet end, microwave heating section and Electromagnetic Heating section, it is possible to achieve right
The fast and stable heating of testing liquid, reduces error.
Preferably, described calorie meter includes resistance bringing-up section, microwave heating section and Electromagnetic Heating section, and described resistance heats
Section, microwave heating section and Electromagnetic Heating section for being arranged in parallel, entering of described resistance bringing-up section, microwave heating section and Electromagnetic Heating section
Mouth end is connected with flowing into conveying pipe, and the port of export of described resistance bringing-up section, microwave heating section and Electromagnetic Heating section carries with flowing out
Pipe connects, and the arrival end in resistance bringing-up section, microwave heating section and Electromagnetic Heating section arranges the valve controlling circulation.
Runner pipe in described resistance bringing-up section can be copper pipe or stainless steel tube, arranges heating resistor on runner pipe
Silk, measures fluid for heating tape, may be used for measuring common fluid.
The fluid hose of described microwave heating section can be earthenware, and microwave generating element is arranged at outside earthenware, permissible
Efficiently quickly to treating that fluid measured heats in earthenware, and there is high corrosion resistance.
The fluid hose of described Electromagnetic Heating section can be irony pipe, and Electromagnetic Heating assembly is arranged on outside described fluid hose,
Efficiently quickly the low corrosion in irony pipe can be treated that fluid measured heats.
In order to improve the corrosion resistance of irony pipe, in the internal sidewalls corrosion-resistant coating of described irony pipe, described anticorrosion
Layer can be polytetrafluorethylecoatings coatings.
The key issue that specific heat of liquid is measured is that can temperature of liquid change accurately measure with thermal change.This practicality
Novel photo has a following beneficial effect for prior art:
1), solve high temperature measurement environment problem of implementation, to measure liquid specific heat capacity under the high temperature conditions, fill up high temperature
The domestic blank that specific heat of liquid is measured；
2) accurately measuring and control problem of variations in temperature, is solved so that temperature survey resolution is high, and temperature controls standard
Really；
3), solve accurately measuring and control problem of liquid thermal change, reduce radiation loss to greatest extent, reduce and measure
Uncertainty；
4), multiparameter, multi-channel data acquisition observation and control technology and real-tune TT & C and data post-processing technology problem are solved, with
The detection dynamic situation of change of specific heat of liquid, improves the accuracy of testing result, expands its scope of application.
Accompanying drawing explanation
Fig. 1 is the system organigram of this utility model specific heat of liquid analyzer；
Fig. 2 is the structural representation of calorie meter in this utility model；
Fig. 3 is structural representation Fig. 2 of calorie meter in this utility model；
Fig. 4 is system organigram in this utility model embodiment.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and beneficial effect clearer, below in conjunction with accompanying drawing and
Specific embodiment, is described in detail to this utility model one.Specific embodiment described herein is only used for explaining this reality
With novel, it is not used in restriction this utility model.
Specific heat of liquid analyzer, as it is shown in figure 1, include fluid communication circuit module and automatic measuring and controlling module.Described liquid
Body flow circuit module includes that shuttle 1, flow pump 3, calorie meter 6, cooler 7 and expansion tank 8, described shuttle 1 lead to
Crossing conveying pipe to be connected with flow pump 3, described flow pump 3 is connected with calorie meter 6 by conveying pipe, and described calorie meter 6 is by conveying
Pipe is connected with cooler 7, and described cooler 7 is connected with expansion tank 8 by conveying pipe, is connected with flow pump 3；Described expansion tank 8
And on the conveying pipe between flow pump 3, electromagnetic valve is set.It is provided with on conveying pipe between described shuttle 1 and flow pump 3
Filter 2 and electromagnetic valve, be used for filtering measuring samples, it is ensured that fluid communication circuit module can smooth and easy operate.Described flow pump 3
And preheater 5 is installed, for the measuring samples entering calorie meter 6 is carried out temperature preconditioning on the conveying pipe between calorie meter 6.
Between described flow pump 3 and preheater 5, electromagnetic valve 4 is set.Described shuttle 1 can be by conveying pipe and described preheater 5
Connect, and valve is set on conveying pipe.Described expansion tank 8 is connected with described shuttle 1 by conveying pipe.
As in figure 2 it is shown, described calorie meter 6 includes thermometer (61,62) and heating assembly 63, two thermometeies (61,62)
It is respectively arranged in the both sides of heating assembly 63, is respectively used to measure the temperature of heating assembly 63 both sides.Wherein, described heating assembly
63 can be composed in series by the resistance bringing-up section of water inlet end, microwave heating section and Electromagnetic Heating section, it is possible to achieve to testing liquid
Fast and stable heating, reduce error.
As it is shown on figure 3, described calorie meter 6 includes shell and arranges resistance bringing-up section 64 in the enclosure, microwave heating section
65 and Electromagnetic Heating section 66, described resistance bringing-up section 64, microwave heating section 65 and Electromagnetic Heating section 66 are setting parallel with one another.Excellent
Choosing, the cross section of the central point line of described resistance bringing-up section 64, microwave heating section 65 and Electromagnetic Heating section 66 arranged in parallel
For triangle, so can save space, be also beneficial to that fluid is unresisted to be passed through.Described resistance bringing-up section 64, microwave heating
The arrival end of section 65 and Electromagnetic Heating section 66 is connected with flowing into conveying pipe, described resistance bringing-up section 64, microwave heating section 65 and electricity
The port of export of magnetic bringing-up section 66 is connected, in resistance bringing-up section 64, microwave heating section 65 and Electromagnetic Heating section 66 with flowing out conveying pipe
Arrival end the valve 67 controlling circulation is set, be used for selecting heating tube side.Preferably, described resistance bringing-up section 64, microwave add
Hot arc 65 and Electromagnetic Heating section 66 spacing each other are 1-3cm, so can save space, and effective minimizing circulation resistance
Power.
Runner pipe in described resistance bringing-up section 67 can be copper pipe or stainless steel tube, arranges heating electric on runner pipe
Resistance silk, measures fluid for heating tape, may be used for measuring common fluid.
The fluid hose of described microwave heating section 65 can be earthenware, and microwave generating element is arranged at outside earthenware, can
With efficiently quickly to treating that fluid measured heats in earthenware, and there is high corrosion resistance.
The fluid hose of described Electromagnetic Heating section 66 can be irony pipe, and Electromagnetic Heating assembly is arranged on outside described fluid hose
To the low corrosion in irony pipe, side, efficiently quickly can treat that fluid measured heats.
In order to improve the corrosion resistance of irony pipe, at the internal sidewalls corrosion-resistant coating of described irony pipe.Described anticorrosion
The thickness of layer can be 0.05-0.08 micron.Described corrosion-resistant coating can be polytetrafluorethylecoatings coatings.
As shown in Figure 4, described automatic measuring and controlling module includes measurement and control unit, observing and controlling sensor, power source control element and electronics
Balance, described observing and controlling sensor, power source control element and electronic balance be connected with measurement and control unit respectively, observing and controlling sensor and electronics
Balance is by collection data feedback to measurement and control unit, and described power source control element receives measurement and control unit instruction.Wherein, described observing and controlling list
Unit is thermometer.Described calorie meter 8 is installed on electronic balance, is used for measuring fluid mass.Described power source control element controls to add
Thermoelectric generator, makes temperature be in claimed condition.Heat screen is set outside described calorie meter, is used for reducing heat and scatters and disappears, keep measuring
Ambient stable.Described measurement and control unit can be PC.
This utility model uses the current internationally recognized measurement state-of-the-art method of fluid specific heat, exploitation to have test accurately
Spend the advantages such as high, reproducible, it is achieved integrated, the high-temp liquid specific heat calorimeter of automatization.This instrument measurable 0～
Under the conditions of 350 DEG C, the specific heat capacitance of the fluid such as organic heat carrier (conduction oil), oil, lubricating oil, various organic liquid mixtures, fills up
The domestic vacancy measuring field in high-temp liquid specific heat capacity.
Use multiparameter, multi-channel data acquisition observation and control technology, it is achieved full-automatic detection, meanwhile, utilize real-tune TT & C
And Data Post technology, detect the dynamic situation of change of specific heat of liquid, improve the accuracy of testing result, expand its applicable model
Enclose.
There is advanced person, accurate, reliable, stable, high reproducibility；Embody Highgrade integration, automatization；Detection process upper body
Now simple clear, quickly；Popularity and professional unification is embodied on detection subject range.
Certainty of measurement: ± 3%；Repeatability: ± 2%.Instrument is applied widely, can measuring samples include: organic heat carries
The various fluids such as body (conduction oil), oil, lubricating oil, various organic liquid mixtures；Temperature: 0～350 DEG C；Specific heat: 0～
5.000kJ/(kg·K)。
The foregoing is only preferred embodiment of the present utility model, but protection domain of the present utility model is not limited to
This, any those familiar with the art is in scope disclosed in the utility model, according to technical scheme and side
Case conceives equivalent or change in addition, broadly falls into protection domain of the present utility model.
Claims (9)
1. specific heat of liquid analyzer, it is characterised in that: include fluid communication circuit module and automatic measuring and controlling module, described liquid
Flow circuit module includes that shuttle, flow pump, calorie meter, cooler and expansion tank, described shuttle are managed by conveying
Being connected with flow pump, described flow pump is connected with calorie meter by conveying pipe, and described calorie meter is by conveying pipe with cooler even
Connecing, described cooler is connected with expansion tank by conveying pipe, and described expansion tank is connected with flow pump by conveying pipe；Described expansion
On conveying pipe between case and flow pump, electromagnetic valve is set；Described automatic measuring and controlling module includes measurement and control unit, observing and controlling sensor, electricity
Source controls element and electronic balance, and described observing and controlling sensor, power source control element and electronic balance are connected with measurement and control unit respectively,
Observing and controlling sensor and electronic balance are by collection data feedback to measurement and control unit, and described power source control element receives measurement and control unit and refers to
Order.
Specific heat of liquid analyzer the most according to claim 1, it is characterised in that: between described shuttle and flow pump
Conveying pipe on filter and electromagnetic valve are installed.
Specific heat of liquid analyzer the most according to claim 2, it is characterised in that: between described flow pump and calorie meter
On conveying pipe, preheater is installed.
Specific heat of liquid analyzer the most according to claim 3, it is characterised in that: described calorie meter includes thermometer and adds
Hot assembly, two thermometeies are respectively arranged in the both sides of heating assembly；Wherein, described heating assembly is heated by the resistance of water inlet end
Section, microwave heating section and Electromagnetic Heating section compose in series.
Specific heat of liquid analyzer the most according to claim 3, it is characterised in that: described calorie meter includes that resistance heats
Section, microwave heating section and Electromagnetic Heating section, described resistance bringing-up section, microwave heating section and Electromagnetic Heating section for being arranged in parallel, institute
State the arrival end of resistance bringing-up section, microwave heating section and Electromagnetic Heating section and flow into conveying pipe and be connected, described resistance bringing-up section, micro-
The port of export of Wave heating section and Electromagnetic Heating section is connected with flowing out conveying pipe, adds at resistance bringing-up section, microwave heating section and electromagnetism
The arrival end of hot arc arranges the valve controlling circulation.
Specific heat of liquid analyzer the most according to claim 5, it is characterised in that: the circulation in described resistance bringing-up section
Pipe is copper pipe or stainless steel tube, arranges heating resistance wire on runner pipe.
Specific heat of liquid analyzer the most according to claim 5, it is characterised in that: the fluid hose of described microwave heating section is
Earthenware, microwave generating element is arranged at outside earthenware.
Specific heat of liquid analyzer the most according to claim 5, it is characterised in that: the fluid hose of described Electromagnetic Heating section is
Irony pipe, Electromagnetic Heating assembly is arranged on outside described fluid hose.
Specific heat of liquid analyzer the most according to claim 8, it is characterised in that: at the internal sidewalls of described irony pipe
Corrosion-resistant coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620758078.4U CN205861592U (en) | 2016-07-15 | 2016-07-15 | Specific heat of liquid analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620758078.4U CN205861592U (en) | 2016-07-15 | 2016-07-15 | Specific heat of liquid analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205861592U true CN205861592U (en) | 2017-01-04 |
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ID=57647138
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620758078.4U Expired - Fee Related CN205861592U (en) | 2016-07-15 | 2016-07-15 | Specific heat of liquid analyzer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106018474A (en) * | 2016-07-15 | 2016-10-12 | 广东省特种设备检测研究院顺德检测院 | Liquid specific heat capacity measurement system |
-
2016
- 2016-07-15 CN CN201620758078.4U patent/CN205861592U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106018474A (en) * | 2016-07-15 | 2016-10-12 | 广东省特种设备检测研究院顺德检测院 | Liquid specific heat capacity measurement system |
| CN106018474B (en) * | 2016-07-15 | 2019-01-04 | 广东省特种设备检测研究院顺德检测院 | A kind of specific heat of liquid measuring system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Yuesheng Inventor after: Jiang Zhiming Inventor after: Yu Mengquan Inventor after: He Chunhui Inventor after: Zhang Qiong Inventor after: Wang Mingyue Inventor after: Li Ruiyu Inventor after: Wu Zihao Inventor after: Lu Weiye Inventor before: Li Yuesheng Inventor before: Liu Xiaozhou Inventor before: Song Changzhi Inventor before: Li Ruiyu |
|
| COR | Change of bibliographic data | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170104 Termination date: 20190715 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |