CN208366895U - A kind of tobacco smoke specific heat capacity measuring device - Google Patents
A kind of tobacco smoke specific heat capacity measuring device Download PDFInfo
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- CN208366895U CN208366895U CN201820864517.9U CN201820864517U CN208366895U CN 208366895 U CN208366895 U CN 208366895U CN 201820864517 U CN201820864517 U CN 201820864517U CN 208366895 U CN208366895 U CN 208366895U
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- 239000000779 smoke Substances 0.000 title claims abstract description 26
- 241000208125 Nicotiana Species 0.000 title claims abstract description 24
- 235000002637 Nicotiana tabacum Nutrition 0.000 title claims abstract description 24
- 238000001514 detection method Methods 0.000 claims abstract description 87
- 239000003546 flue gas Substances 0.000 claims abstract description 79
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 78
- 235000019504 cigarettes Nutrition 0.000 claims abstract description 33
- 238000009413 insulation Methods 0.000 claims abstract description 21
- 235000019505 tobacco product Nutrition 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 14
- 238000013461 design Methods 0.000 claims abstract description 13
- 230000008569 process Effects 0.000 claims abstract description 9
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 54
- 229910052751 metal Inorganic materials 0.000 claims description 53
- 239000002184 metal Substances 0.000 claims description 53
- 239000010935 stainless steel Substances 0.000 claims description 31
- 229910001220 stainless steel Inorganic materials 0.000 claims description 31
- 239000007789 gas Substances 0.000 claims description 30
- 229910052697 platinum Inorganic materials 0.000 claims description 28
- 238000005086 pumping Methods 0.000 claims description 26
- 238000010438 heat treatment Methods 0.000 claims description 19
- 238000011534 incubation Methods 0.000 claims description 18
- 230000005611 electricity Effects 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 9
- 239000011490 mineral wool Substances 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 238000010943 off-gassing Methods 0.000 claims description 6
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 4
- 229910000861 Mg alloy Inorganic materials 0.000 claims description 3
- 229910001080 W alloy Inorganic materials 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 3
- ZONODCCBXBRQEZ-UHFFFAOYSA-N platinum tungsten Chemical compound [W].[Pt] ZONODCCBXBRQEZ-UHFFFAOYSA-N 0.000 claims description 3
- 238000004321 preservation Methods 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000000465 moulding Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 11
- 230000000391 smoking effect Effects 0.000 abstract description 11
- 238000012512 characterization method Methods 0.000 abstract description 4
- 238000011160 research Methods 0.000 abstract description 4
- 238000012827 research and development Methods 0.000 abstract description 4
- 230000000087 stabilizing effect Effects 0.000 description 8
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000035479 physiological effects, processes and functions Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001007 puffing effect Effects 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
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- Manufacturing Of Cigar And Cigarette Tobacco (AREA)
Abstract
The utility model relates to a kind of tobacco smoke specific heat capacity measuring devices, belong to tobacco product detection field.The utility model includes control module detection module, suction module, power module；The detection module is electrically connected with control module, and control module is electrically connected with suction module, and detection module, control module, suction module are electrically connected with power module, and detection module and suction module pass through hollow insulation pipe airtight connection.The utility model provides the specific heat capacitance device of research flue gas, with the quality of the practical drawing smoke of single port and temperature real-time characterization specific heat capacity, simplify measurement process, by flue gas specific heat capacity to characterize the calorie value that different extracting forces are taken away in aspiration procedure, technical parameter support can be provided for the exploitation and design of smoking set, important reference is provided for the engineering design raising parameter accuracy of new cigarette cigarette and smoking set, is of great significance to guidance research and development new cigarette smoking set.
Description
Technical field
The utility model relates to a kind of tobacco smoke specific heat capacity measuring devices, belong to tobacco product detection field.
Background technique
Increasing with the public to the reinforcement and government of cigarette recognizing dangers to cigarette control dynamics, countries in the world tobacco
Enterprise strengthens the exploitation to new tobacco products.And the new cigarette with the characteristics of heating non-burning tobacco is in physiology sense
By, psychological response, suck mode etc. relatively traditional cigarette, tobacco consumer is acceptant, is a kind of great development
The new tobacco products of potentiality.At this stage, domestic major tobacco enterprise and research and development institution focus on the research and development to new cigarette smoking set.
In order to make tobacco product preferably be adapted to new cigarette smoking set, research institution passes through the spy of tobacco product aspiration procedure institute calorific requirement
Property setting smoking set circuit arrangement.Power needed for tobacco product single port aspirates can provide direct reference for smoking set circuit design, but
Practical every mouthful aspirate needed for power it is different because of extracting force difference, can not precise quantification plurality of classes tobacco product in different pumpings
It is drawn through Cheng Suoxu calorie value.The coherent detection of the performance parameter of existing tobacco product is not perfect, and specific heat capacity measurement process is more
It is many and diverse, cannot flue gas specific heat capacity to plurality of classes tobacco product carry out suction detection in real time.
Summary of the invention
The technical problem to be solved by the present invention is to provide a kind of tobacco smoke specific heat capacity measuring devices, for surveying
Measure the specific heat capacity detection device of flue gas；Different cigarette flue gas specific heats are realized by tobacco smoke specific heat capacity detection device simultaneously
Hold measurement.
The technical solution adopted in the utility model is: a kind of tobacco smoke specific heat capacity measuring device, including control mould
Block, suction module, detection module, power module；
Detection module is electrically connected with control module, and control module is electrically connected with suction module, detects mould
Block, control module, suction module are electrically connected with power module, detection module and suction module airtight connection；
The control module includes: touch screen 1, MCU controller 2, high-precision slide rheostat 5, the detection module packet
Include signal amplifier 3, set cigarette fixture 6, hollow insulation pipe 7, platinum resistance sensor I8, resistance box 9, detection device 10,
Cambridge filter 11, flue gas are caught and device 12, precision electronic balance 13, and the suction module includes suction unit 14, stepper motor control
Device 15 processed, suction unit 14 includes spiral metal stick 39, pumping piston 40, outgassing nonreturn valve 41, breather check valve 42, adjustable
Capacity suction tube 43, the power module include high-precision adjustable stabilized voltage supply 4；
The touch screen 1 is electrically connected with MCU controller 2, and MCU controller 2 is electrically connected to the adjustable pressure stabilizing electricity of high-precision
Source 4, MCU controller 2 and stepping motor control apparatus 15 are electrically connected, and stepping motor control apparatus 15 and pumping piston 40 are logical
The connection of spiral metal stick 39 is crossed, pumping piston 40 is salable to be contained in variable capacity suction tube 43, variable capacity suction tube 43
One end is connected to 40 movable sealing of pumping piston, and the other end is the sealing surface of two stomatas, and it is unidirectional that lower end stomata is designed as air inlet
Valve 42 is caught by plastic pipe and flue gas and 12 left end of device is tightly connected, and upper end stomata is designed as outgassing nonreturn valve 41 directly and air
Suction time is arranged in touch screen 1 in contact, feeds back to MCU controller 2, and MCU controller 2 issues pulse signal control stepping electricity
To adjust revolving speed and torque value, stepping motor control apparatus 15 interlocks spiral metal stick 39 and adjusts pumping piston machine control device 15
40 in variable capacity suction tube 43 position, reach control variable capacity suction tube 43 suction time and suction flow；Detection
Device 10 is electrically connected to MCU controller 2, and MCU controller 2 is controlled according to the difference of the feedback temperature and predeterminated voltage received
The power-off cooling of detection device 10, pressurization heating make temperature control in preset temperature value；Signal amplifier 3 is electrically connected to MCU control
Device 2 processed, 5 slide plate of high-precision slide rheostat are electrically connected to the anode of high-precision adjustable stabilized voltage supply 4, pressure stabilizing that high-precision is adjustable
The cathode of power supply 4 passes through conducting wire 24 and detection device 10, and resistance I44 and resistance II45 two equivalent electricity are fixed in resistance box 9
It hinders, the component in resistance I44, resistance II45, high-precision slide rheostat 5 and detection device 10 forms bridge circuit；Detection dress
The gas off-take 33 for setting 10 is caught by hollow insulation pipe 7 with flue gas and 12 right end of device is connect, flue gas catch and device 12 below be placed with essence
Close electronic balance 13, air intake duct 20 is connected by hollow insulation pipe 7 with cigarette fixture 6 is set in detection device 10, in hollow insulation
The inner sealing of pipe 7 is placed with the platinum resistance sensor I8 connecting with MCU controller 2, the cigarette being placed on cigarette fixture 6
The flue gas that straw-made articles generates enters in detection device 10 by hollow insulation pipe 7, and platinum resistance sensor I8 is used for will be first
Beginning flue-gas temperature feeds back to MCU controller 2.
Specifically, the detection device 10 includes stainless steel incubation chamber 16, metallic object 19, air intake duct 20, metal clips
I21, noninductive stainless steel metal heating rod 22, horizontal air flue 23, conducting wire 24, hold-down bolt 25, gold-plated Mini-type spiral shape thermal element
Part I26, vertical parallel pipe I27, throttle orifice I28, gas-distributing channel I29, hold-down bolt II30, gold-plated Mini-type spiral shape temperature-sensitive element
II31, vertical parallel pipe II32, gas off-take 33, locking pin 34 and platinum resistance sensor II35, throttle orifice II36, divide gas
Road II37；
The detection device 10 uses a stainless steel cylindrical structure, above there are two upper ends with the vertical parallel of screw thread
Pipe I27 and vertical parallel pipe II32, gold-plated Mini-type spiral shape temperature-sensitive element I26 and gold-plated Mini-type spiral shape temperature-sensitive element II31
It is compacted bolt I25 and hold-down bolt II30 respectively to be sealed in vertical parallel pipe I27 and vertical parallel pipe II32, horizontal air flue
23 are connected to the bottom of vertical parallel pipe I27 and vertical parallel pipe II32, and 23 both ends of horizontal air flue respectively with a small transverse holes
It communicates, and by drawing respectively in the lateral aperture of 16 left and right ends of stainless steel incubation chamber, forms air intake duct 20 and gas off-take 33, level
The air intake duct 20 and gas off-take 33 of air flue 23 are sealed by metal clips I21 and metal clips II38 elasticity respectively, vertical parallel pipe
Be separately connected gas-distributing channel I29 and gas-distributing channel II37 on the left of I27 and vertical parallel pipe II32, just with vertical parallel pipe I27 and
Vertical parallel pipe II32 and horizontal air flue 23 communicate；There is METAL HEATING PROCESS by the locking of locking pin 34 above the bottom of stainless steel incubation chamber 16
Block, that is, metallic object 19, the metallic object 19 of horizontal 23 lower end of air flue are averagely placed two noninductive stainless steel metal heating rods 22, gold
Belong to 19 center of body and is placed with the platinum resistance sensor II35 being electrically connected with MCU controller 2, platinum resistance thermometer sensor, temperature
Sensor II35 is used to horizontal 23 temperature signal of air flue feeding back to MCU controller 2, the cathode of high-precision adjustable stabilized voltage supply 4
It is connect by conducting wire 24 with Mini-type spiral shape temperature-sensitive element I26 gold-plated in detection device 10, resistance I44, resistance II45, detection dress
Set gold-plated Mini-type spiral shape temperature-sensitive element I26 in 10, gold-plated Mini-type spiral shape temperature-sensitive element II31, high-precision in detection device 10
Slide rheostat 5 forms bridge circuit, and gas off-take 33 is caught by hollow insulation pipe 7 with flue gas and 12 right end of device in detection device 10
Connection, the vertical parallel pipe I27, vertical parallel pipe II32, horizontal air flue 23, gas-distributing channel I29 and gas-distributing channel II37 are in gold
Belong to and process made on body 19, the flue gas that the tobacco product that is placed on cigarette fixture 6 generates enters horizontal air flue in detection device 10
23, vertical parallel pipe I27 and vertical parallel pipe II32, the lead of two gold-plated Mini-type spiral shape temperature-sensitive elements are kept the temperature by stainless steel
It is drawn in vertical parallel pipe above box 16；Gas-distributing channel I29 and the design of vertical parallel pipe coupling part have throttle orifice I28, divide gas
Road II37 and the design of vertical parallel pipe coupling part have throttle orifice II36；With upper-part in a stainless steel incubation chamber 16,
For 16 inner periphery of stainless steel incubation chamber equipped with heat preservation mineral wool plate 17, micro glass pearl 18 is filled in the inner space that mineral wool plate 17 is surrounded
Form bath constant temperature mode；
The conducting wire 24 that the gold-plated Mini-type spiral shape temperature-sensitive element I26 is drawn is connected with resistance I44, and series connection node is
A；The other end of resistance I44 is connected to the maximum value end of high-precision slide rheostat 5, tie point B；High-precision slide variable resistance
Another maximum value end of device 5 is connected with the gold-plated Mini-type spiral shape temperature-sensitive element II31 conducting wire 24 drawn, series connection node C；
The other end series connection of gold-plated Mini-type spiral shape temperature-sensitive element II31 extraction wire 24 is connected to resistance II45, series connection node D；Resistance
The other end of II45 is connect with gold-plated Mini-type spiral shape temperature-sensitive element I26, node E；3 signal acquisition terminal of signal amplifier difference
It is electrically connected to A node and D node.
Preferably, the volume of the vertical parallel pipe I27, vertical parallel pipe II32 are cylindrical less than 100 μ l, and
The original state preset temperature of work maintains 100 DEG C, is higher than flue-gas temperature.
Preferably, the stepping motor control apparatus 15 includes stepper motor 46 and the stepping being adapted to stepper motor 46 electricity
Machine controller 47, instruction can be inputted on touch screen 1 makes controllor for step-by-step motor 47 directly control stepper motor 46 with adjusting turn
Speed and torque value interlock spiral metal stick 39 and adjust the position in variable capacity suction tube 43 of pumping piston 40, and reaching control can
The suction time and suction flow of capacitance-adjustable suction tube 43.
Preferably, the gold-plated Mini-type spiral shape temperature-sensitive element I26, gold-plated Mini-type spiral shape temperature-sensitive element II31 are tungsten wire
Or it platinum filament or comes silk or comes tungsten wire or platinum-tungsten alloys silk.
Preferably, the metal clips I21 and metal clips II38 is magnesium alloy.
The beneficial effects of the utility model are: the utility model is by reasonably constituting and connecting the tobacco product cigarette established
Gas specific heat capacity detection device can be efficiently used for the measurement of tobacco smoke specific heat capacity；The specific heat for providing research flue gas contains
Set, with the quality of the practical drawing smoke of single port and temperature real-time characterization specific heat capacity, simplify measurement process, by flue gas specific heat capacity with
The calorie value that different extracting forces are taken away in characterization aspiration procedure can provide technical parameter support for the exploitation and design of smoking set；
The measurement of tobacco smoke specific heat capacity may be implemented by tobacco smoke specific heat capacity detection device simultaneously, embody are as follows:
It is poor by flue gas mass size and balance front and back flue-gas temperature, cause the variation for measuring intracavitary temperature-sensitive element resistance, generates electricity
Pressure difference is sent to MCU controller 2 through amplifier amplification and is equal to the increased heat of flue gas according to the heat that temperature-sensitive element passes to flue gas
Magnitude processing is converted to flue gas specific heat capacitance, to realize that tobacco smoke specific heat capacity measures.
Detailed description of the invention
Fig. 1 is the block diagram of the utility model；
Fig. 2 is the cross-sectional view of detection device in the utility model；
Fig. 3 is the structure chart of the utility model suction unit；
Fig. 4 is the cross-sectional view of the utility model resistance box；
Fig. 5 is the utility model stepping motor control apparatus structural schematic diagram；
Fig. 6 is the utility model connecting node schematic diagram.
Each label in figure: 1- touch screen, 2-MCU controller, 3- signal amplifier, 4- high-precision adjustable stabilized voltage supply, 5-
High-precision slide rheostat, 6- set cigarette fixture, 7- hollow insulation pipe, 8- platinum resistance sensor I, 9- resistance box, 10- inspection
Device is surveyed, 11- cambridge filter, 12- flue gas is caught and device, 13- precision electronic balance, 14- suction unit, 15- step motor control
Device, 16- stainless steel incubation chamber, 17- mineral wool plate, 18- micro glass pearl, 19- metallic object, 20- air intake duct, 21- metal clips
I, 22- are noninductive stainless steel metal heating rod, the horizontal air flue of 23-, 24- conducting wire, the gold-plated Mini-type spiral shape of 25- hold-down bolt I, 26-
The gold-plated Mini-type spiral of the vertical parallel pipe I of temperature-sensitive element I, 27-, 28- throttle orifice I, 29- gas-distributing channel I, 30- hold-down bolt II, 31-
The vertical parallel pipe II of shape temperature-sensitive element II, 32-, 33- gas off-take, 34- locking pin, 35- platinum resistance sensor II, 36-
Throttle orifice II, 37- gas-distributing channel II, 38- metal clips II, 39- spiral metal stick, 40- pumping piston, 41- outgassing nonreturn valve,
42- breather check valve, 43- variable capacity suction tube, 44- resistance I, 45- resistance II, 46- stepper motor, 47- stepper motor control
Device processed.
Specific embodiment
With reference to the accompanying drawings and examples, the utility model is described in further detail, but the content of the utility model is not
It is limited to the range.
Embodiment 1: as shown in figures 1 to 6, a kind of tobacco smoke specific heat capacity measuring device, including control module, suction
Module, detection module, power module；
Detection module is electrically connected with control module, and control module is electrically connected with suction module, detects mould
Block, control module, suction module are electrically connected with power module, detection module and suction module airtight connection；
Detection module is for detecting flue-gas temperature signal, temperature-sensitive element temperature change, unit temp signal, acquisition flue gas simultaneously
Measurement collects the quality of flue gas；
Control module will test the temperature signal of module detection for receiving detection device temperature signal in detection module
It is compared with its internal preset temperature, then on the one hand controls inspection by controlling the power on/off of electric power source pair of module detection module
Module for power supply heating, power-off cooling are surveyed, so that the detection device in detection module is maintained preset temperature, on the other hand passes through control
The power on/off of electric power source pair of module suction module controls suction module to the suction time and pumping volume of tobacco product, last root
Tobacco smoke specific heat capacity is calculated according to the detection data of detection module；
The control module includes: touch screen 1, MCU controller 2, high-precision slide rheostat 5, the detection module packet
Include signal amplifier 3, set cigarette fixture 6, hollow insulation pipe 7, platinum resistance sensor I8, resistance box 9, detection device 10,
Cambridge filter 11, flue gas are caught and device 12, precision electronic balance 13, and the suction module includes suction unit 14, stepper motor control
Device 15 processed, suction unit 14 includes spiral metal stick 39, pumping piston 40, outgassing nonreturn valve 41, breather check valve 42, adjustable
Capacity suction tube 43, the power module include high-precision adjustable stabilized voltage supply 4；
The touch screen 1 is electrically connected with MCU controller 2, and MCU controller 2 is electrically connected to the adjustable pressure stabilizing electricity of high-precision
Source 4, MCU controller 2 and stepping motor control apparatus 15 are electrically connected, and stepping motor control apparatus 15 and pumping piston 40 are logical
The connection of spiral metal stick 39 is crossed, pumping piston 40 is salable to be contained in variable capacity suction tube 43, variable capacity suction tube 43
One end is connected to 40 movable sealing of pumping piston, and the other end is the sealing surface of two stomatas, and it is unidirectional that lower end stomata is designed as air inlet
Valve 42 is caught by plastic pipe and flue gas and 12 left end of device is tightly connected, and upper end stomata is designed as outgassing nonreturn valve 41 directly and air
Suction time is arranged in touch screen 1 in contact, feeds back to MCU controller 2, and MCU controller 2 issues pulse signal control stepping electricity
To adjust revolving speed and torque value, stepping motor control apparatus 15 interlocks spiral metal stick 39 and adjusts pumping piston machine control device 15
40 in variable capacity suction tube 43 position, suction start after from 42 air inlet of breather check valve, stepper motor and controller 15 are controlled
The movement of spiral metal stick 39 processed is to control the movement of pumping piston 40, in the upper end of variable capacity suction tube 43 after suction
Air is discharged, a suction action is completed, the suction time and suction flow of variable capacity suction tube 43 are controlled with this, is adjusted
Suction time and uninterrupted；Detection device 10 is electrically connected to MCU controller 2, and MCU controller 2 is according to the feedback received
Temperature and the control power-off of detection device 10 of the difference of predeterminated voltage cool down, and pressurization heating makes temperature control in preset temperature value；Letter
Number amplifier 3 is electrically connected to MCU controller 2, and 5 slide plate of high-precision slide rheostat is electrically connected to the adjustable pressure stabilizing electricity of high-precision
The anode in source 4, the cathode of high-precision adjustable stabilized voltage supply 4 pass through conducting wire 24 and detection device 10, are fixed with resistance in resistance box 9
Two substitutional resistances of I44 and resistance II45, in resistance I44, resistance II45, high-precision slide rheostat 5 and detection device 10
Component forms bridge circuit；The gas off-take 33 of detection device 10 is caught by hollow insulation pipe 7 with flue gas and 12 right end of device is connect, cigarette
Gas catch and device 12 below be placed with precision electronic balance 13, air intake duct 20 is by hollow insulation pipe 7 and setting cigarette in detection device 10
Fixture 6 is connected, and the platinum resistance sensor connecting with MCU controller 2 is placed in the inner sealing of hollow insulation pipe 7
I8 is placed in the flue gas that the tobacco product on cigarette fixture 6 generates and enters in detection device 10 by hollow insulation pipe 7, platinum thermoelectricity
Temperature sensor I8 is hindered to be used for initial flue gas temperature feedback to MCU controller 2.
Further, the detection device 10 includes stainless steel incubation chamber 16, metallic object 19, air intake duct 20, metal clips
I21, noninductive stainless steel metal heating rod 22, horizontal air flue 23, conducting wire 24, hold-down bolt 25, gold-plated Mini-type spiral shape thermal element
Part I26, vertical parallel pipe I27, throttle orifice I28, gas-distributing channel I29, hold-down bolt II30, gold-plated Mini-type spiral shape temperature-sensitive element
II31, vertical parallel pipe II32, gas off-take 33, locking pin 34 and platinum resistance sensor II35, throttle orifice II36, divide gas
Road II37；
The detection device 10 uses a stainless steel cylindrical structure, above there are two upper ends with the vertical parallel of screw thread
Pipe I27 and vertical parallel pipe II32, the platinum resistance sensor II35 electricity of 23 lower section of horizontal air flue in detection device 10
Property be connected to MCU controller 2, the difference of the feedback temperature and predeterminated voltages that received by MCU controller 2 controls noninductive stainless steel
The voltage of METAL HEATING PROCESS stick 22, power-off cooling, pressurization heating make temperature control in preset temperature value, gold-plated Mini-type spiral shape heat
Quick element I26 and gold-plated Mini-type spiral shape temperature-sensitive element II31 be compacted respectively bolt I25 and hold-down bolt II30 be sealed in it is perpendicular
In straight parallel pipe I27 and vertical parallel pipe II32, the bottom of horizontal air flue 23 and vertical parallel pipe I27 and vertical parallel pipe II32
Connection, and 23 both ends of horizontal air flue are respectively communicated with a small transverse holes, and by the lateral aperture of 16 left and right ends of stainless steel incubation chamber
In draw respectively, form air intake duct 20 and gas off-take 33, the air intake duct 20 and gas off-take 33 of horizontal air flue 23 are respectively by metal elastic
Piece I21 and metal clips II38 elasticity seal (metal clips I21 and metal clips II38 are to connect on one side, on one side freely),
It is separately connected gas-distributing channel I29 and gas-distributing channel II37 on the left of vertical parallel pipe I27 and vertical parallel pipe II32, is just put down with vertical
Row pipe I27 and vertical parallel pipe II32 and horizontal air flue 23 communicate；It is locked above the bottom of stainless steel incubation chamber 16 by locking pin 34
There is METAL HEATING PROCESS block i.e. metallic object 19, the metallic object 19 of horizontal 23 lower end of air flue is averagely placed two noninductive stainless steel metals and adds
Hot pin 22,19 center of metallic object are placed with the platinum resistance sensor II35 being electrically connected with MCU controller 2, platinum heat
Resistance temperature sensor II35 is used to horizontal 23 temperature signal of air flue feeding back to MCU controller 2, high-precision adjustable stabilized voltage supply
4 cathode is connect by conducting wire 24 with Mini-type spiral shape temperature-sensitive element I26 gold-plated in detection device 10, resistance I44, resistance
Gold-plated Mini-type spiral shape temperature-sensitive element I26 in II45, detection device 10, gold-plated Mini-type spiral shape temperature-sensitive element in detection device 10
II31, high-precision slide rheostat 5 form bridge circuit, and gas off-take 33 passes through hollow insulation pipe 7 and flue gas in detection device 10
It catches and the connection of 12 right end of device, the vertical parallel pipe I27, vertical parallel pipe II32, horizontal air flue 23, gas-distributing channel I29 and divides gas
Road II37 processes on metallic object 19 made, and the flue gas that the tobacco product that is placed on cigarette fixture 6 generates enters detection device
Horizontal air flue 23, vertical parallel pipe I27 and vertical parallel pipe II32 in 10, two gold-plated Mini-type spiral shape temperature-sensitive elements draw
Line in the vertical parallel pipe above stainless steel incubation chamber 16 by drawing；Gas-distributing channel I29 has with the design of vertical parallel pipe coupling part
Throttle orifice I28, gas-distributing channel II37 and the design of vertical parallel pipe coupling part have throttle orifice II36 (throttle orifice I28 and throttle orifice
II36 is prevented respectively because airflow fluctuation is to gold-plated Mini-type spiral shape temperature-sensitive element I26 and gold-plated Mini-type spiral shape temperature-sensitive element II31
Heat has an impact；When suction unit is aspirated, metal clips I18 and metal clips II19 are opened because of draught head, are stopped
When only aspirating, metal clips I21 and metal clips II38 prevent gas because elastic characteristic seals air intake duct 20 and gas off-take 33
Change to external diffusion concentration)；With upper-part in a stainless steel incubation chamber 16,16 inner periphery of stainless steel incubation chamber is equipped with
Mineral wool plate 17 is kept the temperature, the inner space that mineral wool plate 17 is surrounded fills micro glass pearl 18 and forms bath constant temperature mode；
The conducting wire 24 that the gold-plated Mini-type spiral shape temperature-sensitive element I26 is drawn is connected with resistance I44, and series connection node is
A；The other end of resistance I44 is connected to the maximum value end of high-precision slide rheostat 5, tie point B；High-precision slide variable resistance
Another maximum value end of device 5 is connected with the gold-plated Mini-type spiral shape temperature-sensitive element II31 conducting wire 24 drawn, series connection node C；
The other end series connection of gold-plated Mini-type spiral shape temperature-sensitive element II31 extraction wire 24 is connected to resistance II45, series connection node D；Resistance
The other end of II45 is connect with gold-plated Mini-type spiral shape temperature-sensitive element I26, node E；3 signal acquisition terminal of signal amplifier difference
It is electrically connected to A node and D node.
Further, the volume of the vertical parallel pipe I27, vertical parallel pipe II32 are cylindrical less than 100 μ l, and
100 DEG C are maintained in the original state preset temperature of work, is higher than flue-gas temperature.
Further, the stepping motor control apparatus 15 includes stepper motor 46 and the stepping being adapted to stepper motor 46
Electric machine controller 47, instruction can be inputted on touch screen 1 makes controllor for step-by-step motor 47 directly control stepper motor 46 to adjust
Revolving speed and torque value interlock spiral metal stick 39 and adjust the position in variable capacity suction tube 43 of pumping piston 40, reach control
The suction time and suction flow of variable capacity suction tube 43.
Further, the gold-plated Mini-type spiral shape temperature-sensitive element I26, gold-plated Mini-type spiral shape temperature-sensitive element II31 are tungsten
Silk or platinum filament come silk or come tungsten wire or platinum-tungsten alloys silk.
Further, the metal clips I21 and metal clips II38 is magnesium alloy.
A kind of measurement method of above-mentioned tobacco smoke specific heat capacity measuring device, includes the following steps:
A, it will test device 10 to be installed, tobacco product be placed in and is set in cigarette fixture 6；Open the adjustable pressure stabilizing of high-precision
Power supply 4, design circuit in gold-plated Mini-type spiral shape temperature-sensitive element I26, gold-plated Mini-type spiral shape temperature-sensitive element II31, resistance I44,
Resistance II45, high-precision slide rheostat 5 form bridge circuit, and high-precision adjustable stabilized voltage supply 4 is to gold-plated Mini-type spiral shape warm
Quick element I26 and gold-plated Mini-type spiral shape temperature-sensitive element II31 provides power supply and carries out continuous heating, adjusts after temperature is stablized high
The slide plate of precision slide rheostat 5, so that A, D contact both end voltage UAD=0V；Wherein, the gold-plated Mini-type spiral shape thermal element
The conducting wire 24 that part I26 is drawn is connected with resistance I44, series connection node A；Gold-plated Mini-type spiral shape temperature-sensitive element II31 draws
The other end series connection of conducting wire 24 out is connected to resistance II45, series connection node D；After opening suction unit 14, during flue gas passes through
Empty thermal insulation casing 7 detects flue-gas temperature by platinum resistance sensor I8, and is stored in MCU controller 2, flue gas because
Suction is flowed into detection device 10 and is further detected；
B, horizontal 23 temperature of air flue is set on touch screen 1, by the control of MCU controller 2 to noninductive stainless steel metal
Heating rod 22 is heated up and is cooled down accordingly, when the temperature of platinum resistance sensor II35 feedback is higher than preset temperature
Cooling is then powered off, be then powered heating when lower than preset temperature, and horizontal 23 temperature of air flue is made to be maintained at set temperature；
C, after platinum resistance sensor II35 detects that horizontal 23 temperature of air flue is stablized, MCU controller is fed back to
2, according to the puffing regimens that touch screen 1 is set, stepping motor control apparatus 15 is by passing through spiral metal to pumping piston 40
Stick 39 connects, and pumping piston 40 is salable to be contained in variable capacity suction tube 43, and suction time, feedback is arranged in display screen
To MCU controller 2, the controllor for step-by-step motor 47 that pulse signal control stepper motor 46 is adapted to is issued to adjust revolving speed and turn round
Square value interlocks spiral metal stick 39 and adjusts the position in variable capacity suction tube 43 of pumping piston 40, adjusts suction time and pumping
Suction degree；
D, after opening suction unit 14, flue gas is examined by hollow insulation casing 7 by platinum resistance sensor I8
Flue-gas temperature is surveyed, and is stored in MCU controller 2, flue gas is because draught head, metal clips I21, metal clips II38 are opened, cigarette
The flue gas that straw-made articles generates enters horizontal air flue 23 through air intake duct 20, and flows into vertical parallel pipe I27 and vertical parallel pipe II32
It is interior；Flue gas is thermally conductive, so that gold-plated Mini-type spiral shape temperature-sensitive element I26 and gold-plated Mini-type spiral shape temperature-sensitive element II31 heat dissipate
It loses, gold-plated Mini-type spiral shape temperature-sensitive element I26, gold-plated Mini-type spiral shape temperature-sensitive element II31 resistance reduce, A, D contact both ends electricity
Press unbalance, thermal conductivity coefficient of flue gas and A, D contact both end voltage relationship:Its
In, λmFor thermal conductivity coefficient of flue gas, l is gold-plated Mini-type spiral shape temperature-sensitive element I26, gold-plated Mini-type spiral shape temperature-sensitive element II31
Effective length, rCFor the radius of vertical parallel pipe I27 and vertical parallel pipe II32, rnFor gold-plated Mini-type spiral shape temperature-sensitive element I26
Or the radius of gold-plated Mini-type spiral shape temperature-sensitive element II31, RSFor the resistance value of resistance I44 or resistance II45, α is gold-plated miniature spiral shell
Rotation shape temperature-sensitive element I26, gold-plated Mini-type spiral shape temperature-sensitive element II31 vary with temperature coefficient, and I is the adjustable pressure stabilizing electricity of high-precision
Source 4 shows the half of current value, R0Gold-plated Mini-type spiral shape temperature-sensitive element I26, gold-plated Mini-type spiral shape temperature-sensitive when for no current
The resistance value of element II31, U are the voltage that high-precision regulated power supply 4 is shown, UADThe electricity of A, D contact is detected for signal amplifier 3
Press signal, tcThe temperature of vertical parallel pipe I27 and vertical parallel pipe II32 when to stablize；
E, after measuring thermal conductivity coefficient of flue gas, tobacco product is removed by setting in cigarette fixture 6, is controlled again by MCU
Device 2 controls stepping motor control apparatus 15 and carries out empty pump to control suction unit 14, so that the flue gas in detection device 10 is because of gas
Pressure difference flows into flue gas from detection device 10 and catches and device, i.e., by smoke collecting to flue gas catch and device 12 in cambridge filter 11
On, flue gas mass is measured by high-accuracy electronic scale；
F, the energy Q of smoke absorption in the case of being exchanged according to heat0=Cm Δ T, is extrapolatedWherein C is flue gas specific heat capacity, t0For initial flue gas temperature, tcIt is vertical when to stablize
The temperature of parallel pipe I27 and vertical parallel pipe II32, Δ T are initial flue gas temperature t0With parallel pipe I27 vertical when stablizing and perpendicular
The difference of the temperature tc of straight parallel pipe II32, tnFor the equilibrium temperature that temperature-sensitive element reaches under the function of current, m is is surveyed cigarette
Makings amount, RSFor the resistance value of resistance I44 or resistance II45, α is gold-plated Mini-type spiral shape temperature-sensitive element I26, gold-plated Mini-type spiral
Shape temperature-sensitive element II31 varies with temperature coefficient, and I is the half that high-precision adjustable stabilized voltage supply 4 shows current value, R0For no electricity
The resistance value of gold-plated Mini-type spiral shape temperature-sensitive element I26, gold-plated Mini-type spiral shape temperature-sensitive element II31 when stream, U is high-precision voltage stabilizing
The voltage that power supply 4 is shown, UADThe voltage signal of A, D contact is detected for signal amplifier 3.
Utility model works principle is:
1, gold-plated Mini-type spiral shape temperature-sensitive element I26, gold-plated Mini-type spiral shape temperature-sensitive element II31, resistance I44, resistance
The U when electric bridge stabilizing that II45, high-precision slide rheostat 5 are constitutedAD=0V；
2, after being passed through flue gas, temperature-sensitive element heat is absorbed because flue gas is conducted to measurement cavity, so that A, D junction voltage change
Become:
Wherein Δ Rm is the resistance value that temperature-sensitive element changes；RSFor the resistance value of resistance I44 or resistance II45；U is that high-precision can
Adjust 4 voltage of regulated power supply；
3, the heat that gas is tested in measurement cavity is transmitted in a. unit time from temperature-sensitive element
Wherein, λmFor the thermal coefficient of flue gas；L is gold-plated Mini-type spiral shape temperature-sensitive element I26, gold-plated Mini-type spiral shape is warm
The effective length of quick element II31；rnFor gold-plated Mini-type spiral shape temperature-sensitive element I26 or gold-plated Mini-type spiral shape temperature-sensitive element
The radius of II31；rcTo measure cavity radius；tnThe equilibrium temperature reached under the function of current for temperature-sensitive element；tcWhen to stablize
The temperature of vertical parallel pipe I27 and vertical parallel pipe II32.
B. gold-plated Mini-type spiral shape temperature-sensitive element calorific value:
Q1=0.24I2Rn (3)
Wherein, R1Resistance value after being powered for temperature-sensitive element, I is electric current (the high-precision adjustable stabilized voltage supply 4 for flowing through temperature-sensitive element
Show the half of electric current)
C. heat is transmitted outward with thermally conductive heat exchange principle and converses the absorption of flue gas heat transfer process with this on thermistor
Heat has Q when thermal balance0=Q1, it may be assumed that
Again because of Rn=R0(1+αtn),Above formula is brought into obtain；
Wherein, α is that temperature-sensitive element resistance value varies with temperature coefficient, R0Gold-plated Mini-type spiral shape temperature-sensitive element when for no current
The resistance value of I26, gold-plated Mini-type spiral shape temperature-sensitive element II31.
Enable structural parameters
And ignore higher-order shear deformation, then:
And because
(6), (8) are brought into (1) and arranged:
Detection device, which is passed through, further according to flue gas specific heat capacity and flue gas mass and flue gas absorbs heat Q0Between relationship Q0
=Cm (tc-t0):
That is flue gas specific heat capacity
(9) are brought into (11) and arrange (12)
Wherein, C is flue gas specific heat capacity, t0For initial flue gas temperature, tcWhen to stablize vertical parallel pipe I27 with it is vertical parallel
The temperature of pipe II32, tnFor the equilibrium temperature that temperature-sensitive element reaches under the function of current, m is is surveyed flue gas mass, RSFor resistance
The resistance value of I44 or resistance II45, α are gold-plated Mini-type spiral shape temperature-sensitive element I26, gold-plated Mini-type spiral shape temperature-sensitive element II31
Coefficient is varied with temperature, I is the half that high-precision adjustable stabilized voltage supply 4 shows current value, R0Gold-plated miniature spiral shell when for no current
The resistance value of shape temperature-sensitive element I26, gold-plated Mini-type spiral shape temperature-sensitive element II31 are revolved, U is the electricity that high-precision regulated power supply 4 is shown
Pressure, UADThe voltage signal of A, D contact is detected for signal amplifier 3.
The utility model realizes the measurement of flue gas specific heat capacity by building specific heat capacity test platform device, embodies are as follows:
Because of the difference of flue-gas temperature, cause in detection device thermistor change in resistance in vertical parallel pipe, using thermal resistance formula and
Thermistor and cavity inner wall temperature difference, which can find out to be uploaded in detection device from temperature-sensitive element, under thermal equilibrium state is tested gas
Calorie value measures the temperature of flue gas after initial flue gas temperature and thermal balance, and heat on thermistor is former with thermally conductive heat exchange
Reason outward transmitting with this converse flue gas heat transfer process absorption heat, by characterization smoke absorption heat before and after temperature difference and
Quality, then calculate and flue gas specific heat capacity can be obtained.
The utility model provides the specific heat capacitance device of research flue gas, real-time with the quality of the practical drawing smoke of single port and temperature
Specific heat capacity is characterized, measurement process is simplified, by flue gas specific heat capacity to characterize the heat that different extracting forces are taken away in aspiration procedure
Value can provide technical parameter support for the exploitation and design of smoking set, be the engineering design raising ginseng of new cigarette cigarette and smoking set
Number accuracy provides important reference, is of great significance to guidance research and development new cigarette smoking set.
In conjunction with attached drawing, the specific embodiments of the present invention are described in detail above, but the utility model is not
Be limited to above embodiment, within the knowledge of a person skilled in the art, can also do not depart from it is practical
Various changes can be made under the premise of novel objective.
Claims (6)
1. a kind of tobacco smoke specific heat capacity measuring device, it is characterised in that: including control module, suction module, detection mould
Block, power module；
Detection module is electrically connected with control module, and control module is electrically connected with suction module, detection module, control
Molding block, suction module are electrically connected with power module, detection module and suction module airtight connection；
The control module includes: touch screen (1), MCU controller (2), high-precision slide rheostat (5), the detection module
Including signal amplifier (3), set cigarette fixture (6), hollow insulation pipe (7), platinum resistance sensor I (8), resistance box (9),
Detection device (10), cambridge filter (11), flue gas is caught and device (12), precision electronic balance (13), and the suction module includes taking out
Inhale device (14), stepping motor control apparatus (15), suction unit (14) include spiral metal stick (39), pumping piston (40),
Outgassing nonreturn valve (41), breather check valve (42), variable capacity suction tube (43), the power module include that high-precision is adjustable steady
Voltage source (4)；
The touch screen (1) connect with MCU controller (2), and MCU controller (2) is electrically connected to high-precision adjustable stabilized voltage supply
(4), MCU controller (2) and stepping motor control apparatus (15) are electrically connected, stepping motor control apparatus (15) and pumping piston
(40) it is connected by spiral metal stick (39), pumping piston (40) is salable to be contained in variable capacity suction tube (43), adjustable
Capacity suction tube (43) one end is connected to pumping piston (40) movable sealing, and the other end is the sealing surface of two stomatas, lower end gas
Hole is designed as that breather check valve (42) is caught by plastic pipe and flue gas and device (12) left end is tightly connected, and upper end stomata is designed as out
Gas check valve (41) is directly contacted with air, and suction time is arranged in touch screen (1), feeds back to MCU controller (2), MCU control
Device (2) issues pulse signal control stepping motor control apparatus (15) to adjust revolving speed and torque value, stepping motor control apparatus
(15) spiral metal stick (39) are interlocked and adjusts pumping piston (40) position in variable capacity suction tube (43), it is adjustable to reach control
The suction time and suction flow of capacity suction tube (43)；Detection device (10) is electrically connected to MCU controller (2), MCU control
Device (2) cools down according to difference control detection device (10) power-off of the feedback temperature and predeterminated voltage received, and pressurization heating makes
Temperature is controlled in preset temperature value；Signal amplifier (3) is electrically connected to MCU controller (2), high-precision slide rheostat (5)
Slide plate is electrically connected to the anode of high-precision adjustable stabilized voltage supply (4), and the cathode of high-precision adjustable stabilized voltage supply (4) passes through conducting wire
(24) with detection device (10), resistance box (9) is interior to be fixed with (45) two substitutional resistances of resistance I (44) and resistance II, resistance I
(44), the component in resistance II (45), high-precision slide rheostat (5) and detection device (10) forms bridge circuit；Detection dress
The gas off-take (33) for setting (10) is caught by hollow insulation pipe (7) with flue gas and device (12) right end is connect, under flue gas is caught and device (12)
Side is placed with precision electronic balance (13), and air intake duct (20) by hollow insulation pipe (7) and sets cigarette fixture in detection device (10)
(6) it is connected, the platinum resistance thermometer sensor, temperature sensing connecting with MCU controller (2) is placed in the inner sealing of hollow insulation pipe (7)
Device I (8), the flue gas that the tobacco product being placed on cigarette fixture (6) generates enter detection device (10) by hollow insulation pipe (7)
In, platinum resistance sensor I (8) is used to give initial flue gas temperature feedback to MCU controller (2).
2. a kind of tobacco smoke specific heat capacity measuring device according to claim 1, it is characterised in that: the detection dress
Setting (10) includes stainless steel incubation chamber (16), metallic object (19), air intake duct (20), metal clips I (21), noninductive stainless steel metal
Heating rod (22), conducting wire (24), hold-down bolt I (25), gold-plated Mini-type spiral shape temperature-sensitive element I (26), erects horizontal air flue (23)
Straight parallel pipe I (27), throttle orifice I (28), gas-distributing channel I (29), hold-down bolt II (30), gold-plated Mini-type spiral shape temperature-sensitive element II
(31), vertical parallel pipe II (32), gas off-take (33), locking pin (34) and platinum resistance sensor II (35), throttle orifice
II (36), gas-distributing channel II (37)；
The detection device (10) uses a stainless steel cylindrical structure, above there are two vertical parallel pipe of the upper end with screw thread
I (27) and vertical parallel pipe II (32), gold-plated Mini-type spiral shape temperature-sensitive element I (26) and gold-plated Mini-type spiral shape temperature-sensitive element II
(31) it is compacted bolt I (25) and hold-down bolt II (30) respectively and is sealed in vertical parallel pipe I (27) and vertical parallel pipe II
(32) in, horizontal air flue (23) is connected to the bottom of vertical parallel pipe I (27) and vertical parallel pipe II (32), and horizontal air flue
(23) both ends are respectively communicated with a small transverse holes, and by drawing respectively in the lateral aperture of stainless steel incubation chamber (16) left and right ends,
Air intake duct (20) and gas off-take (33) are formed, the air intake duct (20) and gas off-take (33) of horizontal air flue (23) are respectively by metal clips
I (21) and metal clips II (38) elasticity seals, and is separately connected on the left of vertical parallel pipe I (27) and vertical parallel pipe II (32)
Gas-distributing channel I (29) and gas-distributing channel II (37), just with vertical parallel pipe I (27) and vertical parallel pipe II (32) and horizontal air flue
(23) it communicates；There are METAL HEATING PROCESS block i.e. metallic object (19), water by locking pin (34) locking above the bottom of stainless steel incubation chamber (16)
The metallic object (19) of flat air flue (23) lower end is averagely placed two noninductive stainless steel metal heating rods (22), in metallic object (19)
Centre is placed with the platinum resistance sensor II (35) being electrically connected with MCU controller 2, platinum resistance sensor II
(35) for feeding back to MCU controller (2) horizontal air flue (23) temperature signal, the cathode of high-precision adjustable stabilized voltage supply 4 is logical
It crosses conducting wire (24) to connect with Mini-type spiral shape temperature-sensitive element I (26) gold-plated in detection device (10), resistance I (44), resistance II
(45), gold-plated Mini-type spiral shape temperature-sensitive element I (26) in detection device (10), gold-plated Mini-type spiral shape heat in detection device (10)
Quick element II (31), high-precision slide rheostat (5) form bridge circuit, and gas off-take (33) passes through hollow in detection device (10)
Insulating tube (7) is caught with flue gas and device (12) right end is connect, the vertical parallel pipe I (27), vertical parallel pipe II (32), horizontal gas
Road (23), gas-distributing channel I (29) and gas-distributing channel II (37) process on metallic object (19) made, are placed on cigarette fixture (6)
The flue gas that tobacco product generates enters horizontal air flue (23), vertical parallel pipe I (27) and vertical parallel pipe in detection device (10)
II (32), the leads of two gold-plated Mini-type spiral shape temperature-sensitive elements in stainless steel incubation chamber (16) vertical parallel pipe above by drawing
Out；Gas-distributing channel I (29) and the design of vertical parallel pipe coupling part have throttle orifice I (28), gas-distributing channel II (37) and vertical parallel pipe
Coupling part design has throttle orifice II (36)；With upper-part mounted in a stainless steel incubation chamber (16) it is inner, stainless steel incubation chamber
(16) for inner periphery equipped with heat preservation mineral wool plate (17), micro glass pearl (18) formation is filled in the inner space that mineral wool plate (17) is surrounded
Bathe constant temperature mode；
The conducting wire (24) that the gold-plated Mini-type spiral shape temperature-sensitive element I (26) is drawn is connected with resistance I (44), series connection node
For A；The other end of resistance I (44) is connected to the maximum value end of high-precision slide rheostat 5, tie point B；High-precision slide
Another maximum value end of rheostat (5) is connected with the conducting wire (24) that gold-plated Mini-type spiral shape temperature-sensitive element II (31) is drawn, string
Interlink point is C；The other end series connection of gold-plated Mini-type spiral shape temperature-sensitive element II31 extraction wire (24) is connected to resistance II (45), is gone here and there
Interlink point is D；The other end of resistance II (45) is connect with gold-plated Mini-type spiral shape temperature-sensitive element I (26), node E；Signal is put
A node and D node is electrically connected in big device (3) signal acquisition terminal.
3. a kind of tobacco smoke specific heat capacity measuring device according to claim 2, it is characterised in that: described vertical flat
Row pipe I27, vertical parallel pipe II32 volume less than 100 μ l, it is cylindrical, and maintained in the original state preset temperature of work
At 100 DEG C, it is higher than flue-gas temperature.
4. a kind of tobacco smoke specific heat capacity measuring device according to claim 1, it is characterised in that: the stepping electricity
Machine control device (15) includes stepper motor (46) and the controllor for step-by-step motor (47) being adapted to stepper motor (46), can touched
Input instruction makes controllor for step-by-step motor (47) directly control stepper motor (46) to adjust revolving speed and torque value on control screen (1),
It interlocks spiral metal stick (39) and adjusts pumping piston (40) position in variable capacity suction tube (43), reach control variable capacity
The suction time and suction flow of suction tube (43).
5. a kind of tobacco smoke specific heat capacity measuring device according to claim 2, it is characterised in that: described gold-plated micro-
Type helical form temperature-sensitive element I (26), gold-plated Mini-type spiral shape temperature-sensitive element II (31) are tungsten wire or platinum filament or come silk or come tungsten wire
Or platinum-tungsten alloys silk.
6. a kind of tobacco smoke specific heat capacity measuring device according to claim 2, it is characterised in that: the metal
Elastic slice I (21) and metal clips II (38) is magnesium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820864517.9U CN208366895U (en) | 2018-06-05 | 2018-06-05 | A kind of tobacco smoke specific heat capacity measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820864517.9U CN208366895U (en) | 2018-06-05 | 2018-06-05 | A kind of tobacco smoke specific heat capacity measuring device |
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| Publication Number | Publication Date |
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| CN208366895U true CN208366895U (en) | 2019-01-11 |
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ID=64931589
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|---|---|---|---|
| CN201820864517.9U Expired - Fee Related CN208366895U (en) | 2018-06-05 | 2018-06-05 | A kind of tobacco smoke specific heat capacity measuring device |
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| Country | Link |
|---|---|
| CN (1) | CN208366895U (en) |
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2018
- 2018-06-05 CN CN201820864517.9U patent/CN208366895U/en not_active Expired - Fee Related
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