CN104690043A - Negative pressure generation method and negative pressure generation device - Google Patents
Negative pressure generation method and negative pressure generation device Download PDFInfo
- Publication number
- CN104690043A CN104690043A CN201410215936.6A CN201410215936A CN104690043A CN 104690043 A CN104690043 A CN 104690043A CN 201410215936 A CN201410215936 A CN 201410215936A CN 104690043 A CN104690043 A CN 104690043A
- Authority
- CN
- China
- Prior art keywords
- negative pressure
- depression generator
- pressure generation
- valve
- generator according
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
- B08B9/035—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing by suction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/08—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics
- G09B23/12—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics of liquids or gases
Abstract
The invention discloses a negative pressure generation method and a negative pressure generation device. The negative pressure generation device is characterized by comprising a hollow closed casing, wherein a heater for volatilizing liquid in the casing is arranged in the casing; an open hole communicated with the outside and a valve for opening and closing the open hole are arranged on the casing. The negative pressure generation method employing the negative pressure generation device comprises the following steps: 1, injecting the liquid into the casing of the negative pressure generation device; 2, ensuring that the valve is opened, and starting the heater to heat the liquid for a certain period of time to vaporize the liquid; 3, stopping the heater and closing the valve to cool vapor in the casing to form negative pressure. The negative pressure generation device can be used for generating negative pressure per se, is simple in structure, and has more functions; the negative pressure generation method is simple and easy.
Description
Technical field
The present invention relates to a kind of negative pressure production method and device thereof, particularly relate to a kind of negative pressure production method and depression generator thereof that serve many purposes.
Background technology
Application number be 201010171111.0 Chinese patent disclose negative pressure generator, comprise negative tube, bent sub, base plate and water box, negative tube is provided with water inlet and delivery port, nozzle is provided with between water inlet and delivery port, nozzle amplifier section has negative pressure mouth, and bent sub is arranged on base plate and forms delivery port, and the delivery port of water inlet pipe is connected with the water inlet of bent sub, described water box is provided with spill and contains space, under the top edge containing space described in described delivery port lower limb is positioned at.This depression generator can not rely on and self form negative pressure, and function singleness.Application number be 200810155171.6 Chinese patent relate to a kind of dual-purpose vacuum suction apparatus, comprise base plate (1), support (2), negative pressure generator (3) and fluid reservoir (4), it is characterized in that the housing (301) of described negative pressure generator (3) is movably arranged on support (2) by the hinge (5) of support (2) upper end, connecting rod (6) is hinged with in the bottom of support (2), the upper end of connecting rod (6) is provided with pedal (7) and is hinged with pull bar (8), one end of one end of pull bar (8) and the piston rod (306) of negative pressure generator (3) is movably connected, piston rod (306) is also provided with L shape pull bar (308), the horizontal segment of L shape pull bar (308) to be inserted in the gathering sill (311) on housing (301) and with the upper end of force handle (309) under connect, the lower end of force handle (309) and the cantilever end of fixed handle (303) are hinged, the other end and the housing (301) of fixed handle (303) are fixedly linked.This invention relies on negative pressure generator and piston to produce suction, complex structure.
Summary of the invention
The present invention mainly provides a kind of negative pressure production method and depression generator thereof, and its negative pressure production method is simple, and its depression generator can rely on and self produce negative pressure, and structure is simple, and function is more.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals: a kind of depression generator, it is characterized in that, comprise the closure casing of hollow, be provided with the heater evaporated making to be arranged on housing bottom in described housing, described housing is provided with the perforate that communicates with the external world and the valve for opening and closing described perforate.The present invention adds liquid in housing, is heated by heater, makes the evaporation of teaching aid intrinsic liquid, discharges housing after vaporizing liquid from perforate, then closes heater and valve and cools teaching aid body, just defining negative pressure in housing.The present invention can form very large negative pressure, therefore adopts device of the present invention by absorbing fluid, cleaning pipeline or container, as the sputum etc. of patient, is particularly suitable for clearing up liquid residual in tank body.
As preferably, described housing is provided with conduit, and described conduit communicates with described perforate, and described valve is arranged on described conduit.
As preferably, described conduit is socketed with soft suction pipe, the mouth of pipe of described soft suction pipe is enlarging shape.In order to clear up liquid more up hill and dale, the mouth of pipe of soft suction pipe is arranged to enlarging shape structure, thus the mouth of pipe making soft suction pipe more can at the bottom of tank.
As preferably, described liquid is water.
As preferably, described depression generator is steam generating device.In the process forming negative pressure, the present invention can discharge a large amount of steams, therefore the present invention also can be used as steam generating device to use.
As preferably, described depression generator is atmospheric experiment teaching aid, and described housing is fastened by upper shell and lower house and forms, and described upper shell surface and lower shell surface are equipped with draw ring.
As preferably, described upper shell and lower house are hemispherical.
In order to better seal casinghousing, as preferably, between described upper shell and lower house, be provided with seal.
Apply a negative pressure production method for said apparatus, it is characterized in that, comprise the following steps: 1, in the housing of depression generator, inject liquid; 2, ensure valve opening, and start described heater heating liquid a period of time, heated liquid is evaporated; 3, close described heater and valve, make the steam cooling of enclosure interior form negative pressure.
The beneficial effect that the present invention brings is, negative pressure production method of the present invention is simple, and depression generator of the present invention can rely on and self produce negative pressure, and structure is simple, and function is more.
Accompanying drawing explanation
Accompanying drawing 1 is a kind of structural representation of embodiments of the invention 1;
Accompanying drawing 2 is a kind of structural representations of embodiments of the invention 2;
Accompanying drawing 3 is a kind of structural representations of embodiments of the invention 3.
Label declaration: 1-1, upper shell; 1-2, lower house; 2, heater; 3, conduit; 4, valve; 5, soft suction pipe; 6, enlarging shape; 7, draw ring; 8, sealing ring; 9, water jacket; 10, Pressure gauge.
Detailed description of the invention
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment 1: the depression generator of the present embodiment as shown in Figure 1, comprise the closure casing of hollow, the heater 2 for heating water is installed in housing, housing is shaped with a perforate communicated with the external world, this perforate is connected with conduit 3, conduit 3 is provided with the valve 4 for opening and closing perforate.
The negative pressure formation method of this enforcement, comprises the following steps:
1, open valve 4, in the housing of depression generator, inject water;
2, keep valve 4 to open, housing cavity is communicated with the external world, and starts heater 2, heating water a period of time is until water evaporation is clean;
3, close heater 2 and valve 4, by air cooling or water-cooled, make the Air flow of enclosure interior to normal temperature, thus form negative pressure in enclosure interior.
Embodiment 2: as a kind of steam generator as shown in Figure 2, upper shell 1-1 is U-shaped housing to depression generator, and upper shell 1-1 is that transparent material is made, and upper shell 1-1 is provided with conduit 3, draw ring 7 and Pressure gauge 10, conduit 3 is provided with valve 4; Lower house 1-2 is tubular shell, lower house 1-2 is that transparent material is made, and lower house 1-2 inner bottom is provided with heater 2, and the outer surface of lower house 1-2 is provided with water jacket, the lower surface of lower house 1-2 is provided with draw ring 7, and upper shell 1-1 is connected by sealing ring 8 sealing with lower house 1-2.
Embodiment 3: the depression generator of the present embodiment as shown in Figure 3, upper shell 1-1 is hemispherical shell, and upper shell 1-1 is that transparent material is made, and upper shell 1-1 is provided with conduit 3 and draw ring 7, conduit 3 is provided with valve 4, and conduit 3 is socketed with the soft suction pipe 5 that the mouth of pipe is enlarging shape 6; Lower house 1-2 is hemispherical shell, and lower house 1-2 is that transparent material is made, and lower house 1-2 is provided with heater 2 and draw ring 7, and upper shell 1-1 and lower house 1-2 is for being threaded.
Below only just preferred embodiment of the present invention is described, but can not be interpreted as it is limiting the scope of the invention.The present invention is not only confined to above embodiment, and its concrete structure or shape allow to change.In a word, protection scope of the present invention should comprise the apparent conversion of those corresponding those of ordinary skill in the art or substitute and remodeling.
Claims (9)
1. a depression generator, is characterized in that, comprises the closure casing of hollow, is provided with the heater evaporated making to be arranged on enclosure interior in described housing, and described housing is provided with the perforate that communicates with the external world and the valve for opening and closing described perforate.
2. depression generator according to claim 1, is characterized in that, described housing is provided with conduit, and described conduit communicates with described perforate, and described valve is arranged on described conduit.
3. depression generator according to claim 2, is characterized in that, described conduit is socketed with soft suction pipe, and the mouth of pipe of described soft suction pipe is enlarging shape.
4. depression generator according to claim 1, is characterized in that, described liquid is water.
5. depression generator according to claim 4, is characterized in that, described depression generator is steam generating device.
6. depression generator according to claim 1, is characterized in that, described depression generator is atmospheric experiment teaching aid, and described housing is fastened by upper shell and lower house and forms, and described upper shell surface and lower shell surface are equipped with draw ring.
7. depression generator according to claim 6, is characterized in that, described upper shell and lower house are hemispherical.
8. the depression generator according to claim 6 or 7, is characterized in that, is provided with seal between described upper shell and lower house.
9. application rights requires a kind of negative pressure production method of depression generator described in 1, it is characterized in that, comprises the following steps: 1, in the housing of depression generator, inject liquid; 2, ensure valve opening, and start described heater heating liquid a period of time, heated liquid is evaporated; 3, close described heater and valve, make the steam cooling of enclosure interior form negative pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410215936.6A CN104690043A (en) | 2014-05-22 | 2014-05-22 | Negative pressure generation method and negative pressure generation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410215936.6A CN104690043A (en) | 2014-05-22 | 2014-05-22 | Negative pressure generation method and negative pressure generation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104690043A true CN104690043A (en) | 2015-06-10 |
Family
ID=53337810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410215936.6A Pending CN104690043A (en) | 2014-05-22 | 2014-05-22 | Negative pressure generation method and negative pressure generation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104690043A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107529913A (en) * | 2015-02-24 | 2018-01-02 | 阿尔布雷克特控股有限责任公司 | Fluid container and correlation technique through renovating or injecting |
| CN108580834A (en) * | 2018-07-05 | 2018-09-28 | 宁波北仑益鸣企业管理服务有限公司 | Die casting vacuum extractor and the corresponding technique for vacuumizing operation |
| CN108889921A (en) * | 2018-07-05 | 2018-11-27 | 宁波北仑益鸣企业管理服务有限公司 | Mold vacuum evacuation device and the technique for vacuumizing operation accordingly |
Citations (7)
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|---|---|---|---|---|
| JPS57183596A (en) * | 1981-05-07 | 1982-11-11 | Yoshino Seisakusho:Kk | Generation of vacuum |
| JPS61142374A (en) * | 1984-12-13 | 1986-06-30 | Nippon Soken Inc | Vacuum device |
| CN1104302A (en) * | 1993-12-24 | 1995-06-28 | 肖国雄 | Water-pumping method by means of steam and its apparatus |
| CN201171705Y (en) * | 2007-11-22 | 2008-12-31 | 汪亚坤 | Negative-pressure generating device |
| CN101413518A (en) * | 2007-10-18 | 2009-04-22 | 天津渤天化工有限责任公司 | Jet flow type negative pressure generator |
| CN202332013U (en) * | 2011-12-12 | 2012-07-11 | 袁绪亮 | Improved demonstrator for Magdeburg hemispheres test |
| CN203936082U (en) * | 2014-05-22 | 2014-11-12 | 宁波职业技术学院 | Multifunctional negative-pressure generating means |
-
2014
- 2014-05-22 CN CN201410215936.6A patent/CN104690043A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57183596A (en) * | 1981-05-07 | 1982-11-11 | Yoshino Seisakusho:Kk | Generation of vacuum |
| JPS61142374A (en) * | 1984-12-13 | 1986-06-30 | Nippon Soken Inc | Vacuum device |
| CN1104302A (en) * | 1993-12-24 | 1995-06-28 | 肖国雄 | Water-pumping method by means of steam and its apparatus |
| CN101413518A (en) * | 2007-10-18 | 2009-04-22 | 天津渤天化工有限责任公司 | Jet flow type negative pressure generator |
| CN201171705Y (en) * | 2007-11-22 | 2008-12-31 | 汪亚坤 | Negative-pressure generating device |
| CN202332013U (en) * | 2011-12-12 | 2012-07-11 | 袁绪亮 | Improved demonstrator for Magdeburg hemispheres test |
| CN203936082U (en) * | 2014-05-22 | 2014-11-12 | 宁波职业技术学院 | Multifunctional negative-pressure generating means |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107529913A (en) * | 2015-02-24 | 2018-01-02 | 阿尔布雷克特控股有限责任公司 | Fluid container and correlation technique through renovating or injecting |
| CN107529913B (en) * | 2015-02-24 | 2020-07-21 | 阿尔布雷克特控股有限责任公司 | Refurbished or filled fluid containers and related methods |
| US11384324B2 (en) | 2015-02-24 | 2022-07-12 | Albrecht Holdings Llc | Reconditioned or infused fluid containers and related methods |
| CN108580834A (en) * | 2018-07-05 | 2018-09-28 | 宁波北仑益鸣企业管理服务有限公司 | Die casting vacuum extractor and the corresponding technique for vacuumizing operation |
| CN108889921A (en) * | 2018-07-05 | 2018-11-27 | 宁波北仑益鸣企业管理服务有限公司 | Mold vacuum evacuation device and the technique for vacuumizing operation accordingly |
| CN108580834B (en) * | 2018-07-05 | 2020-12-15 | 宁波北仑益鸣企业管理服务有限公司 | Die-casting die vacuumizing device and corresponding vacuumizing operation process |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150610 |