CN206363621U - The experimental provision that negative pressure liquid seethes with excitement is studied with syringe - Google Patents
The experimental provision that negative pressure liquid seethes with excitement is studied with syringe Download PDFInfo
- Publication number
- CN206363621U CN206363621U CN201621493433.6U CN201621493433U CN206363621U CN 206363621 U CN206363621 U CN 206363621U CN 201621493433 U CN201621493433 U CN 201621493433U CN 206363621 U CN206363621 U CN 206363621U
- Authority
- CN
- China
- Prior art keywords
- syringe
- tube
- injection needle
- negative pressure
- cock
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The utility model discloses a kind of experimental provision that negative pressure liquid boiling is studied with syringe, including piston core, screw thread mouth injection needle tube, cock triple valve, thermos bottle, temperature sensing device, pressure measurer, waste liquid pool.Core bar is inserted into injection needle tube, swivel tee valve makes syringe be connected with thermos bottle, extract hot water and enter syringe, swivel tee valve, makes syringe airtight space again, pull back core bar, occurs negative pressure state in syringe, the hot water less than 100 DEG C seethes with excitement under negative pressure, temperature sensing device can show the temperature of now water, pressure measurer can show pressure in now syringe, swivel tee valve again after experimental demonstration, makes syringe be connected with waste liquid pool, waste liquid is pushed into waste liquid pool.This experimental provision cost is low, and small volume is easy to carry, simple to operate, and phenomenon is substantially easy to observation, can be widely used for science and education experimental demonstration, and available for boiling point of liquid and the Quantitative experimental study of negative pressure relation.
Description
Technical field
The utility model belongs to negative pressure boiling field, and in particular to a kind of to study the experiment that negative pressure liquid seethes with excitement with syringe
Device.
Background technology
Boiling is the simultaneous violent vaporization phenomenon of liquid internal and surface at a certain temperature.When liquid boiling
Temperature is referred to as boiling point.General strength of fluid is higher, and boiling point is higher；The boiling point of different liquids is also different；So-called boiling point is
Temperature value when different liquids seethes with excitement.Boiling point changes and changed with ambient pressure, and pressure is low, and boiling point is also low.Negative pressure is
Less than the gas pressure state of normal pressure (one atmospheric pressure of namely what is often called).By taking common liquid water as an example, there is negative pressure state
Space, its boiling point will be less than 100 DEG C, can observe the phenomenon that the hot water not seethed with excitement seethes with excitement again under negative pressure, i.e.,
Negative pressure liquid boiling phenomenon.
The experimental study that is influenceed about atmospheric pressure on boiling point of liquid at present, generally require extremely complex instrument and equipment with
Survey tool, instrument involves great expense, and operation difficulty is high, is not suitable for amateur researcher's operation.And there is experimental phenomena
It is not directly perceived, it is bulky the problem of be not readily used for science and education experimental demonstration；Meanwhile, experimental provision, which often exists, to be difficult to install, and is installed
After be difficult to split, liquid containing container is difficult to clean, and is unfavorable for changing Study of Liquid and quantitative experiment repeatedly.
The content of the invention
In view of this, the purpose of this utility model is to provide a kind of experimental provision of negative pressure liquid boiling, makes it wide
It is general to be used for various Popular Science Education experimental demonstrations and the experimental study of colleges and universities.Pulled, adjusted by ingenious utilization syringe piston core bar
Markingoff pin cylinder internal pressure, demonstrating simultaneously Study of Liquid pressure, boiling point reduces phenomenon under negative pressure.It is real with simple in construction easily operated
Experiment device is compact to be easy to carry about with one, experimental phenomena interesting advantage directly perceived.
To reach above-mentioned purpose, the utility model provides following technical scheme：A kind of syringe research negative pressure liquid boils
The experimental provision risen, including piston core pin 1, screw thread mouth injection needle tube 2, cock triple valve 3, thermos bottle 4, temperature sensing device 5,
Pressure measurer 6 and waste liquid pool 7；In the insertion screw thread mouth of piston core pin 1 injection needle tube 2, injection needle tube passes through cock three
Port valve 3 is connected with thermos bottle 4 enters injection needle tube to extract hot water, and the other end of cock triple valve 3 is connected with waste liquid pool 7, temperature
Sensing device 5 is correspondingly arranged in piston core pin 1 and screw thread mouth injection needle tube 2 with pressure measurer 6, to measure injection needle
Water temperature and pressure in cylinder.
Further, described cock triple valve 3 connects including cock 3-6, the injector screw being correspondingly arranged on cock 3-6
Mouth cap 3-1, hot water interface tube cap 3-2 and waste water interface tube cap 3-4, the hot water interface tube cap 3-2 and waste water interface tube cap 3-4
One end correspondence be connected with hot water conduit 3-3 and waste water conduit 3-5.
Further, described temperature sensing device 5 passes through connection including temperature sensor 5-1, the temperature sensor 5-1
Line 5-3 is connected with integrated temperature measurement circuit plate 5-4, charactron temperature display 5-5 and switch key 5-6, outside the connecting line 5-3
Provided with circuit steel tube dirt-proof boot 5-2；The temperature sensor 5-1 is that DS18B20 digital temperature sensors or thermistor temp are passed
Sensor.
Further, described pressure measurer 6 includes airway tube 6-1, U-shaped glass tube 6-2 and pressure scale disk 6-4；
Described airway tube 6-1 one end is connected with injection needle tube 2, and the other end is connected with U-shaped glass tube 6-2, in the U-shaped glass tube 6-2
It is arranged on filled with band color indicator solution 6-3, the pressure scale disk 6-4 on U-shaped glass tube 6-2.
Further, described piston core pin 1 is mainly made up of piston handle 1-1, piston shaft 1-2 and rubber piston 1-3, piston
The middle part punching of handle and piston shaft is inserted for the circuit steel tube dirt-proof boot 5-2 of temperature sensing device 5, and punching is for temperature in the middle part of rubber piston
The temperature sensor 5-1 insertions of sensing device 5 are spent, and seal seamless after insertion.
Further, the material of injection needle tube 2 is transparent polyvinyl chloride or PVC, and the nipple of injection needle tube is screw thread mouth
Nipple 2-1, and seal after being screwed with injector screw interface cap 3-1 and coordinate, syringe front end perforate insertion interface of pressure measurement 2-
2, it can be tightly connected with the airway tube 6-1 of pressure measurer 6.
The beneficial effects of the utility model are：Syringe is used as liquid containing container, easy installation and removal, it is easy to clear
Wash, coordinate the pipeline control of cock triple valve, in that context it may be convenient to change after experimental liquid and the waste liquid after exclusion experiment；Coordinate and add
The temperature sensing device and pressure measurer of load, the pressure values in needle tubing and the boiling point values of liquid can be read in real time, from
And carry out Quantitative experimental study.The experimental provision has simple in construction easily operated, and experimental provision is compact to be easy to carry about with one, and experiment is existing
As interesting advantage directly perceived, various Popular Science Education experimental demonstrations and the experimental study of colleges and universities can be widely used for.
Brief description of the drawings
In order that the purpose of this utility model, technical scheme and beneficial effect are clearer, the utility model provides as follows
Accompanying drawing is illustrated：
Fig. 1 is overall structure composition schematic diagram of the present utility model；
Fig. 2 is the structural representation of the utility model piston core pin；
Fig. 3 is the structural representation of the utility model cock triple valve.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail.
As illustrated, studying the experimental provision that negative pressure liquid seethes with excitement, including piston core pin with syringe in the utility model
1, screw thread mouth injection needle tube 2, cock triple valve 3, thermos bottle 4, temperature sensing device 5, pressure measurer 6 and waste liquid pool 7；Institute
State in the insertion screw thread mouth of piston core pin 1 injection needle tube 2, injection needle tube connects to extract heat by cock triple valve 3 with thermos bottle 4
Water enters injection needle tube, and the other end of cock triple valve 3 is connected with waste liquid pool 7,6 pairs of temperature sensing device 5 and pressure measurer
It should be arranged on piston core pin 1 and screw thread mouth injection needle tube 2, to measure water temperature and pressure in injection needle tube.
Specifically, piston core pin 1 is inserted into screw thread mouth injection needle tube 2, the thread cap end of cock triple valve 3 connects with injection needle tube
Connect, swivel tee valve cock makes injection needle tube be connected with thermos bottle 4, extract hot water and enter injection needle tube, again swivel tee valve
Cock, makes injection needle tube airtight space, pulls back in piston core pin, injection needle tube and negative pressure state occurs, the heat less than 100 DEG C
Water seethes with excitement under negative pressure, and temperature sensing device 5 can show the temperature of now water, and pressure measurer 6 can show now syringe
Swivel tee valve cock again, makes syringe be connected with waste liquid pool 7, waste liquid is pushed into waste liquid pool after interior pressure, experimental demonstration.
Cock triple valve 3 in the present embodiment includes cock 3-6, the injector screw being correspondingly arranged on cock 3-6 and connect
Mouth cap 3-1, hot water interface tube cap 3-2 and waste water interface tube cap 3-4, the hot water interface tube cap 3-2 and waste water interface tube cap 3-4
One end correspondence be connected with hot water conduit 3-3 and waste water conduit 3-5.Cock is rotated, can realize that only syringe is led with hot water respectively
Pipe is connected, syringe sealing, only syringe and waste water conduit connection Three models.
Temperature sensing device 5 in the present embodiment includes temperature sensor 5-1, the temperature sensor 5-1 and passes through connection
Line 5-3 is connected with integrated temperature measurement circuit plate 5-4, charactron temperature display 5-5 and switch key 5-6, outside the connecting line 5-3
Provided with circuit steel tube dirt-proof boot 5-2；The temperature sensor 5-1 is DS18B20 digital temperature sensors, certainly, temperature sensor
5-1 can also use thermistor temperature sensor.
Pressure measurer 6 in the present embodiment includes airway tube 6-1, U-shaped glass tube 6-2 and pressure scale disk 6-4；Institute
State airway tube 6-1 one end to be connected with injection needle tube 2, the other end is connected with U-shaped glass tube 6-2, filled out in the U-shaped glass tube 6-2
It is arranged on filled with band color indicator solution 6-3, the pressure scale disk 6-4 on U-shaped glass tube 6-2.
Piston core pin 1 in the present embodiment is mainly made up of piston handle 1-1, piston shaft 1-2 and rubber piston 1-3, piston
The middle part punching of handle and piston shaft is inserted for the circuit steel tube dirt-proof boot 5-2 of temperature sensing device 5, and punching is for temperature in the middle part of rubber piston
The temperature sensor 5-1 insertions of sensing device 5 are spent, and seal seamless after insertion.
The material of injection needle tube 2 in the present embodiment is transparent polyvinyl chloride, and the nipple of injection needle tube is screw thread papilla oralis
2-1, and seal after being screwed with injector screw interface cap 3-1 and coordinate, syringe front end perforate insertion interface of pressure measurement 2-2 can
It is tightly connected with the airway tube 6-1 of pressure measurer 6.Certainly, the material of injection needle tube 2 can also use PVC or other transparent materials
Material.
There is the experimental provision compact, material simple in construction to be easy to get, it is cheap, easily operated, the characteristics of be easy to carry,
Experimental phenomena is intuitively interesting, can be widely used for various Popular Science Education experimental demonstrations and the experimental study of colleges and universities.
Finally illustrate, preferred embodiment above is only unrestricted to illustrate the technical solution of the utility model, to the greatest extent
The utility model is described in detail by above preferred embodiment for pipe, but those skilled in the art should manage
Solution, can make various changes, without departing from the utility model claims institute to it in the form and details
The scope of restriction.
Claims (6)
1. a kind of study the experimental provision that negative pressure liquid seethes with excitement with syringe, it is characterised in that：Including piston core pin (1), screw thread
Mouth injection needle tube (2), cock triple valve (3), thermos bottle (4), temperature sensing device (5), pressure measurer (6) and waste liquid pool
(7)；In piston core pin (1) the insertion screw thread mouth injection needle tube (2), injection needle tube passes through cock triple valve (3) and thermos bottle
(4) connection enters injection needle tube to extract hot water, and cock triple valve (3) other end is connected with waste liquid pool (7), temperature sensing device
(5) it is correspondingly arranged at pressure measurer (6) on piston core pin (1) and screw thread mouth injection needle tube (2), to measure injection needle
Water temperature and pressure in cylinder.
2. according to claim 1 study the experimental provision that negative pressure liquid seethes with excitement with syringe, it is characterised in that：Described
Cock triple valve (3) includes cock (3-6), injector screw interface cap (3-1), the hot water being correspondingly arranged in cock (3-6)
Interface tube cap (3-2) and waste water interface tube cap (3-4), the hot water interface tube cap (3-2) and the one of waste water interface tube cap (3-4)
End correspondence is connected with hot water conduit (3-3) and waste water conduit (3-5).
3. according to claim 1 study the experimental provision that negative pressure liquid seethes with excitement with syringe, it is characterised in that：Described
Temperature sensing device (5) includes temperature sensor (5-1), and the temperature sensor (5-1) passes through connecting line (5-3) and integrated survey
Circuit temperature plate (5-4), charactron temperature display (5-5) and switch key (5-6) are connected, and the connecting line (5-3) is externally provided with
Circuit steel tube dirt-proof boot (5-2)；The temperature sensor (5-1) is that DS18B20 digital temperature sensors or thermistor temp are passed
Sensor.
4. according to claim 2 study the experimental provision that negative pressure liquid seethes with excitement with syringe, it is characterised in that：Described
Pressure measurer (6) includes airway tube (6-1), U-shaped glass tube (6-2) and pressure scale disk (6-4)；Airway tube (the 6-
1) one end is connected with injection needle tube (2), and the other end is connected with U-shaped glass tube (6-2), is filled with the U-shaped glass tube (6-2)
Band color indicator solution (6-3), the pressure scale disk (6-4) is arranged on U-shaped glass tube (6-2).
5. according to claim 3 study the experimental provision that negative pressure liquid seethes with excitement with syringe, it is characterised in that：Described
Piston core pin (1) is mainly made up of piston handle (1-1), piston shaft (1-2) and rubber piston (1-3), piston handle and piston shaft
Middle part punching is for circuit steel tube dirt-proof boot (5-2) insertion of temperature sensing device (5), and the punching of rubber piston middle part is for TEMP dress
Temperature sensor (5-1) insertion of (5) is put, and seals seamless after insertion.
6. according to claim 4 study the experimental provision that negative pressure liquid seethes with excitement with syringe, it is characterised in that：The note
Syringe (2) material is penetrated for transparent polyvinyl chloride or PVC, the nipple of injection needle tube is screw thread papilla oralis (2-1), and and syringe
Hickey cap (3-1) is sealed after screwing to be coordinated, and syringe front end perforate insertion interface of pressure measurement (2-2) can be with pressure measurement
The airway tube (6-1) of device (6) is tightly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621493433.6U CN206363621U (en) | 2016-12-30 | 2016-12-30 | The experimental provision that negative pressure liquid seethes with excitement is studied with syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621493433.6U CN206363621U (en) | 2016-12-30 | 2016-12-30 | The experimental provision that negative pressure liquid seethes with excitement is studied with syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206363621U true CN206363621U (en) | 2017-07-28 |
Family
ID=59379051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621493433.6U Expired - Fee Related CN206363621U (en) | 2016-12-30 | 2016-12-30 | The experimental provision that negative pressure liquid seethes with excitement is studied with syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206363621U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106504624A (en) * | 2016-12-30 | 2017-03-15 | 重庆三峡医药高等专科学校 | The experimental provision that negative pressure liquid boiling is studied with syringe |
-
2016
- 2016-12-30 CN CN201621493433.6U patent/CN206363621U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106504624A (en) * | 2016-12-30 | 2017-03-15 | 重庆三峡医药高等专科学校 | The experimental provision that negative pressure liquid boiling is studied with syringe |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209447413U (en) | A kind of water pump simulation teaching device | |
| CN206363621U (en) | The experimental provision that negative pressure liquid seethes with excitement is studied with syringe | |
| CN104766513B (en) | A kind of pressure signal flow measurement device and flow-measuring method | |
| CN203338649U (en) | Thoracic cavity effusion simulation device | |
| CN104764496B (en) | A kind of aperture ozzle class flow measurement device based on acting head | |
| CN109187098A (en) | A kind of paddy soil renovation agent sampler | |
| CN106504624A (en) | The experimental provision that negative pressure liquid boiling is studied with syringe | |
| CN208808526U (en) | A kind of division of endocrinology's device for sampling secretions | |
| CN206711463U (en) | A kind of Middle School Physics pressure intensity testing device | |
| CN203325291U (en) | Temperature-changing type Boyle's law demonstrating device | |
| CN203549398U (en) | Central liquid supply system of chemical laboratory | |
| CN202650354U (en) | Temperature digital display Boyle's law demonstration instrument with pressure gauge | |
| CN207611045U (en) | A kind of use for laboratory in-place oil separating experiment equipment | |
| CN201551670U (en) | Micro infusion controller | |
| CN204463604U (en) | Bo Yier law demonstration device | |
| CN218241164U (en) | Teaching device for hydrodynamics experiment | |
| CN205317704U (en) | Survey natural gas liquid hydrocarbon gas liquid phase becomes static experimental apparatus of process | |
| CN204463603U (en) | Temperature pressure digital display internal energy of air doing work reduces demonstration device | |
| CN107314873A (en) | A kind of use for laboratory air tightness detection equipment | |
| CN207231739U (en) | A kind of use for laboratory air tightness detection equipment | |
| CN208223474U (en) | A kind of triangle horizon equipment | |
| CN207182747U (en) | It is a kind of to demonstrate rate of flow of fluid and the teaching aid of pressure relation | |
| CN208579887U (en) | A kind of portable hydraulic part leak detector | |
| CN203667305U (en) | Yellow wine heat preservation tank with liquid level displaying function | |
| CN214997619U (en) | Injury evaluation experimental device for permeability of injected water |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170728 Termination date: 20211230 |