WO2004060088A1 - Bloc de ventilation pour vetement comme scaphandre ou analogue - Google Patents
Bloc de ventilation pour vetement comme scaphandre ou analogue Download PDFInfo
- Publication number
- WO2004060088A1 WO2004060088A1 PCT/FR2003/003441 FR0303441W WO2004060088A1 WO 2004060088 A1 WO2004060088 A1 WO 2004060088A1 FR 0303441 W FR0303441 W FR 0303441W WO 2004060088 A1 WO2004060088 A1 WO 2004060088A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- housing
- control circuit
- block according
- electrical
- electronic control
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/002—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches with controlled internal environment
- A41D13/0025—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches with controlled internal environment by means of forced air circulation
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B7/00—Respiratory apparatus
- A62B7/10—Respiratory apparatus with filter elements
Definitions
- the present invention relates to ventilation blocks for clothing such as spacesuits or the like by means of an ambient fluid such as air, which find a particularly advantageous application for the ventilation of the interior of spacesuits for anti-nuclear, anti-bacteriological confinement.
- an ambient fluid such as air
- certain protective clothing in a hospital environment clothing in accordance with the standards applicable in particular in the nuclear, bacteriological, chemical, biological, etc. fields, and even clothing equipment for example to reduce heat stress, etc.
- the present invention therefore aims to achieve a ventilation block for clothing such as a spacesuit or the like by means of an ambient fluid, which largely overcomes the drawbacks mentioned above of the devices known from the prior art in the field .
- the subject of the present invention is a ventilation unit for the interior of a garment such as a spacesuit or the like by means of an ambient fluid, characterized in that it comprises: a first sealed housing comprising at least an inlet opening capable of sucking said fluid and an outlet opening, and a first electrical connection passage, a filtration cartridge, means for mounting the filtration cartridge in association with the inlet opening of the first housing, a turbine comprising at least one inlet for sucking said fluid contained in said first housing and an outlet mouth for discharging said sucked fluid, said turbine comprising a drive motor controllable from a supply inlet, means for mounting said turbine inside the first housing, a conduit for connecting the outlet mouth of the turbine to the outside of the first housing, said conduit passing in sealed manner through the outlet opening of the first housing, a second housing, a second electrical connection passage made in the wall of the second housing, a source capable of delivering electrical energy to an output terminal, said source being disposed inside the second housing, an electronic control circuit, means for associating the first and second sealed housing
- the electronic control circuit is disposed inside the second housing.
- the ventilation unit comprises a flow regulation circuit capable of delivering a second alarm signal when the fluid flow in the duct varies by a determined quantity around a nominal value of given flow, this regulation circuit being advantageously located in the first housing although it can be arranged in the second housing.
- the single figure represents the block diagram of an embodiment of a ventilation block of the interior of a garment such as a diving suit or the like by means of an ambient fluid, according to the invention.
- the object of the invention comprises "at least one" element having a given function
- the embodiment described may include several of these elements. It also specifies that, if the embodiment of the object according to the invention as illustrated comprises several elements of identical function and that if, in the description, it is not specified that the object according to this invention must necessarily include a particular number of these elements, the object of the invention may be defined as comprising "at least one" of these elements.
- the ventilation unit from the inside of a garment such as a spacesuit or the like by means of an ambient fluid such as air, comprises a first sealed housing 1, for example of lightweight cast metal such as aluminum or the like in one or more assembled parts, or even, in some cases where possible, in a hard plastic.
- This first housing 1 comprises at least one inlet opening 2 capable of sucking in ambient fluid, an outlet opening 3 and a first electrical connection passage 4.
- the ventilation unit has two openings for entry, but it is obvious that it can contain even more.
- the ventilation unit further comprises a filtration cartridge 5 and means 6 for mounting the filtration cartridge 5 in association with the inlet opening 2 of the first housing 1.
- the filtration cartridge 5 consists of a filter pad 60 for example of first particles of a given size, the dimensions of this pad allowing it to cover the entire opening d inlet 2 of the first housing, and a cover 61 covering the patch 60 so that it is located between the cover and the inlet opening 2 of the first housing, the cover having orifices 62 for filtering seconds particles larger than those of the first particles, thereby constituting a first stage of filtration of the ambient fluid.
- these tablets can also be filtration tablets for chemicals or the like, solid and / or gaseous.
- the turbine 7 comprises, conventionally in itself, a drive motor 10 of the electrical or similar type, controllable from a power inlet 11.
- the means 12 for mounting the turbine 7 inside 13 of the first housing 1 have been schematically illustrated by spacers, but they can be of any other type, it being understood that they will be functionally defined so that the turbine 7 is positioned inside 13 of the first housing 1 substantially in its central part and that the inlet openings 8 can suck the fluid which is inside 13 of this first housing.
- the ventilation unit further comprises, as illustrated, a conduit 14 for connecting the outlet mouth 9 of the turbine 7 to the exterior 15 of the first housing 1, this conduit 14 passing in sealed manner, for example by joint or welding if necessary, through the outlet opening 3 of the first housing.
- the ventilation unit further comprises a second housing 20 and a second electrical connection passage 21 produced in the wall 49 of this second housing.
- This second housing is advantageously produced in the same way than the first, that is to say for example by molding, in one or more assembled parts, in a light metal such as aluminum or the like, or even, in certain cases when possible, in a plastic material tough.
- the ventilation unit according to the invention further comprises a source 23 capable of delivering electrical energy to an output terminal 24, the source 23 being disposed inside the second housing 20, this source being for example made up of one or more rechargeable electric batteries.
- this electronic control circuit 26 is preferably placed inside 25 of the second housing 20.
- Means 27 are also provided, for example hooks or the like schematically represented, for associating the first and second housings 1, 20 defined above, so that the first and second passages 4, 21 for electrical connection form only one single third sealed passage of electrical connection 28.
- the two passages 4, 21 are bordered by a joint of the sausage type or the like which, when the two housings are associated with each other, are pressed against one another with a certain elastic force to form the third sealed passage 28 defined above.
- the ventilation unit according to the invention comprises a flow meter 29 which is very advantageously disposed inside the duct 14. This flow meter, known in itself, has an outlet 30 capable of delivering an electrical signal representative of the flow of passing fluid in conduit 14.
- the ventilation unit includes a first electrical connector 31 for connecting the output 30 of the flow meter 29 to a first input 32 of the electronic control circuit 26, a second electrical connector 33 for connecting a first control output 34 of the electronic control circuit 26 to the control input 11 of the turbine drive motor 10 and a third electrical connector 35 for connecting the output 24 of the electrical power source 23 to a power input 36 of the electronic control circuit 26.
- the electronic control circuit 26 further comprises an output 37 capable of delivering a first alarm signal when the value of the electrical energy delivered by the source 23 falls below a determined threshold value.
- the ventilation unit also advantageously includes a flow regulation circuit capable of delivering a second alarm signal when the fluid flow in the duct 14 varies by a determined quantity around a given nominal flow value which is determined for each item of clothing to be ventilated and according to the activity planned for the person who must put on this item of clothing, this flow regulation circuit advantageously being located in the first housing 1, for example in association with the turbine 7 or more particularly the motor 10.
- the flow regulation circuit can be arranged in the second housing 20.
- this flow regulation circuit is disposed in the second housing 20 and integrated with the electronic control circuit 26.
- the ventilation unit further comprises a switch 40 mounted in sealed passage in the wall 41 of the first housing 1 so that its control element 42, like a lever or the like, is accessible from the exterior 15 of the first housing 1, even being protected by a flexible envelope, and its electrical control terminals 43 being located inside 13 of the first housing 1, the ventilation unit comprising a fourth electrical connector 44 for connecting the electrical control terminals 43 of this switch 40 to a general control input 45 of the electronic control circuit 26, for controlling the starting or stopping of the operation of the ventilation unit as will be described below.
- the ventilation unit according to the invention further comprises an electrical connection pin 22 sealingly mounted in the wall 49 of the second housing 20, the output terminals 46 of which are located inside the second 25 box 20 and respectively connected to an energy supply input 47 the power source 23 and to a control input 48 of the electronic control circuit 26, for the purposes explained below in the context of the description of the operation of the ventilation block.
- the ventilation unit comprises a converter 50 controllable from a control input 51, this converter being able to transform an electrical signal into a sound signal, and a fifth electrical connector 52 for connect the terminal control 51 of the converter 50 at the output 37 of the electronic control circuit capable of delivering an alarm signal.
- a converter 50 controllable from a control input 51, this converter being able to transform an electrical signal into a sound signal, and a fifth electrical connector 52 for connect the terminal control 51 of the converter 50 at the output 37 of the electronic control circuit capable of delivering an alarm signal.
- means are also provided for applying the second alarm signal emitted by the flow regulation circuit, to the control terminal 51 of the converter 50.
- the converter 50 is located in the duct 14 and it consists of at least one of the following elements: a sound vibrator, a loudspeaker, etc.
- the ventilation unit comprises means 18 for fluidly connecting the end 19 of the duct 14 located outside 15 of the first housing 1 with an inlet for supplying ventilation fluid from inside the garment.
- These means are known in themselves and may consist, for example, of a connection by screwing and tight seal.
- the ventilation unit described above works as follows: It is assumed that it is necessary to ventilate the interior of a diving suit, for the comfort of the person wearing this diving suit, but also so that he can breathe normally air at a determined pressure, generally slightly higher than that of atmospheric pressure, and free of any particles harmful to its health.
- the ventilation unit described above located outside the garment to be ventilated, is connected, by means 18, to an intake sleeve with which any diving suit is generally provided, then the control element. 42 of switch 40 is actuated.
- the electronic control circuit 26 relates the output 24 of the power source 23 to the power input 11 of the motor 10 by means in particular of the connector 33.
- the rotation of the motor results in the operation of the turbine 7 which, through the inlet openings 8, sucks in air from the external medium 15 via the filter cartridges 5 and the interior 13 of the first housing 1 and discharges it through its mouth outlet 9 to breathe it inside the spacesuit via the conduit 14 and the connection means 18.
- the air circulates in the duct 14 it causes the flowmeter 29 to operate, which delivers at its outlet 30 a signal representative of the flow of the air in circulation in the duct.
- This signal is applied to input 32 of the circuit control electronics 26 which compares it to a reference signal stored in this circuit, representing the value of a minimum and / or maximum reference flow.
- the electronic control circuit can develop an order signal applied to the power input 11 of the motor 10 via the connector 33 so that the speed of the motor is adapted and produces the flow of desired air in duct 14.
- the ventilation unit can thus operate for the entire time necessary for ventilation of the interior of the suit for the safety of the person wearing it. Incidents can however occur, for example a drop in electrical voltage at the output 24 of the energy source 23.
- the electronic control circuit 26 emits the first alarm signal on its output 37 to control the converter 50 which warns the person wearing the suit of an impending incident in the operation of the ventilation unit. It is the same when the flow regulation circuit determines a too low or too high fluid flow. It then emits the second alarm signal to control the converter 50 in the same way as described above.
- this ventilation unit constituted by the fact that the converter 50, advantageously constituted by a sound vibrator, is located in the duct 14 and that the person wearing the diving suit is thus very quickly warned of the imminent of an incident and more surely than with the devices of the prior art, because the ventilation air passing through the duct 14 instantly transmits the noise of the sound vibrator inside the spacesuit to the hearing system of the person wearing this spacesuit.
- the ventilation unit according to the invention it is possible, by means of the electrical connection pin 22 sealingly mounted in the wall 49 of the second housing 20, to recharge the source 23 with energy when it is made up of batteries. , and also to modify the program of the electronic control circuit 26 to adapt it to the conditions of use of the ventilation unit and to the nature of the elements which compose it, for example the nature of the energy source 23, of the flow meter 29 and the alarm.
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Pulmonology (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Physical Education & Sports Medicine (AREA)
- Textile Engineering (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
- Professional, Industrial, Or Sporting Protective Garments (AREA)
- Air Conditioning Control Device (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2003295046A AU2003295046A1 (en) | 2002-12-06 | 2003-11-21 | Ventilation unit which can be dressed like a tight suit or similar |
US10/537,294 US7731575B2 (en) | 2002-12-06 | 2003-11-21 | Ventilation unit which can be dressed like a tight suit or similar |
CA2505863A CA2505863C (fr) | 2002-12-06 | 2003-11-21 | Bloc de ventilation pour un vetement tel qu'une combinaison pressurisee ou similaire |
EP03786040A EP1583436A1 (fr) | 2002-12-06 | 2003-11-21 | Bloc de ventilation pour vetement comme scaphandre ou analogue |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0215404A FR2848291B1 (fr) | 2002-12-06 | 2002-12-06 | Bloc de ventilation pour vetement comme un scaphandre ou analogue |
FR02/15404 | 2002-12-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004060088A1 true WO2004060088A1 (fr) | 2004-07-22 |
Family
ID=32320033
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2003/003441 WO2004060088A1 (fr) | 2002-12-06 | 2003-11-21 | Bloc de ventilation pour vetement comme scaphandre ou analogue |
Country Status (7)
Country | Link |
---|---|
US (1) | US7731575B2 (fr) |
EP (1) | EP1583436A1 (fr) |
CN (1) | CN100403949C (fr) |
AU (1) | AU2003295046A1 (fr) |
CA (1) | CA2505863C (fr) |
FR (1) | FR2848291B1 (fr) |
WO (1) | WO2004060088A1 (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2937224B1 (fr) * | 2008-10-16 | 2010-11-05 | Esquad | Article vestimentaire tel qu'un blouson ou un pantalon |
RU2402718C2 (ru) * | 2009-01-23 | 2010-10-27 | Евгений Шойльевич Нудельман | Способ подачи воздуха в окрасочную камеру для окраски жидкими лакокрасочными материалами (варианты) и вентиляционный агрегат для реализации способа (варианты) |
DE102014015769B4 (de) * | 2014-10-27 | 2018-02-08 | Dräger Safety AG & Co. KGaA | Gebläsefiltersystem |
CN108778013B (zh) * | 2016-03-09 | 2019-12-17 | 株式会社Sft研究所 | 空调衣服用电气部件佩戴单元及空调衣服 |
FR3097116A1 (fr) * | 2019-06-14 | 2020-12-18 | Air Liquide Medical Systems | Housse de protection pour ventilateur médical utilisable dans un environnement contaminé de type NRBC |
CN111657608B (zh) * | 2020-07-24 | 2022-03-01 | 河南亚都实业有限公司 | 一种多功能医用防护服 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2989049A (en) * | 1957-11-22 | 1961-06-20 | Crouzet Jean-Philippe | Arrangement for protection against cold and inclement weather |
GB935934A (en) * | 1961-04-06 | 1963-09-04 | Smith & Sons Australia Pty Ltd | Improvements in or relating to air distributor fans |
US3468299A (en) * | 1967-12-20 | 1969-09-23 | Carl D Amato | Air-conditioned garment |
FR2515048A1 (fr) * | 1981-10-22 | 1983-04-29 | Delta Protection | Dispositif de ventilation interne d'un survetement de protection |
CH671340A5 (en) * | 1987-02-13 | 1989-08-31 | Philippe Choquard | Civilian survival suit for radioactively contaminated environment - with blower supplying filtered air |
AT393086B (de) * | 1989-01-16 | 1991-08-12 | Haager Volker | Geraet zur belueftung von schutzanzuegen |
WO2001052675A2 (fr) * | 2000-01-18 | 2001-07-26 | Stryker Instruments | Systeme de filtration d'air comprenant un ensemble casque |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2512990A (en) * | 1947-07-09 | 1950-06-27 | John D Akerman | Ventilator suit |
US3045243A (en) * | 1959-11-16 | 1962-07-24 | Lash Seymour | Ventilator for protective garment |
US4821709A (en) * | 1983-08-01 | 1989-04-18 | Sensormedics Corporation | High frequency ventilator and method |
EP0332605B1 (fr) * | 1988-03-09 | 1993-12-08 | J. Blaschke Pumpen-Filteranlagen | Dispositif de ventilation pour vêtement de protection |
GB9307733D0 (en) * | 1993-04-14 | 1993-06-02 | Msa Britain Ltd | Respiratory protective device |
CA2123640A1 (fr) * | 1993-05-17 | 1994-11-18 | Thomas A. Berger | Ventilateur centrifuge a debitmetre |
US6186140B1 (en) * | 1997-03-14 | 2001-02-13 | 3M Innovative Properties Company | Respiratory filter element having a storage device for keeping track of filter usage and a system for use therewith |
CN2311152Y (zh) * | 1997-07-24 | 1999-03-24 | 张凤歧 | 带有通风孔的衣服 |
-
2002
- 2002-12-06 FR FR0215404A patent/FR2848291B1/fr not_active Expired - Fee Related
-
2003
- 2003-11-21 EP EP03786040A patent/EP1583436A1/fr not_active Withdrawn
- 2003-11-21 US US10/537,294 patent/US7731575B2/en active Active
- 2003-11-21 CA CA2505863A patent/CA2505863C/fr not_active Expired - Fee Related
- 2003-11-21 WO PCT/FR2003/003441 patent/WO2004060088A1/fr not_active Application Discontinuation
- 2003-11-21 AU AU2003295046A patent/AU2003295046A1/en not_active Abandoned
- 2003-11-21 CN CNB2003801050239A patent/CN100403949C/zh not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2989049A (en) * | 1957-11-22 | 1961-06-20 | Crouzet Jean-Philippe | Arrangement for protection against cold and inclement weather |
GB935934A (en) * | 1961-04-06 | 1963-09-04 | Smith & Sons Australia Pty Ltd | Improvements in or relating to air distributor fans |
US3468299A (en) * | 1967-12-20 | 1969-09-23 | Carl D Amato | Air-conditioned garment |
FR2515048A1 (fr) * | 1981-10-22 | 1983-04-29 | Delta Protection | Dispositif de ventilation interne d'un survetement de protection |
CH671340A5 (en) * | 1987-02-13 | 1989-08-31 | Philippe Choquard | Civilian survival suit for radioactively contaminated environment - with blower supplying filtered air |
AT393086B (de) * | 1989-01-16 | 1991-08-12 | Haager Volker | Geraet zur belueftung von schutzanzuegen |
WO2001052675A2 (fr) * | 2000-01-18 | 2001-07-26 | Stryker Instruments | Systeme de filtration d'air comprenant un ensemble casque |
Also Published As
Publication number | Publication date |
---|---|
CN1719990A (zh) | 2006-01-11 |
US7731575B2 (en) | 2010-06-08 |
FR2848291A1 (fr) | 2004-06-11 |
US20060154594A1 (en) | 2006-07-13 |
CA2505863C (fr) | 2013-03-05 |
CA2505863A1 (fr) | 2004-07-22 |
AU2003295046A1 (en) | 2004-07-29 |
FR2848291B1 (fr) | 2005-02-04 |
CN100403949C (zh) | 2008-07-23 |
EP1583436A1 (fr) | 2005-10-12 |
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