WO2017156802A1 - 一种稳流结构及应用该稳流结构的通风设备 - Google Patents
一种稳流结构及应用该稳流结构的通风设备 Download PDFInfo
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- WO2017156802A1 WO2017156802A1 PCT/CN2016/078290 CN2016078290W WO2017156802A1 WO 2017156802 A1 WO2017156802 A1 WO 2017156802A1 CN 2016078290 W CN2016078290 W CN 2016078290W WO 2017156802 A1 WO2017156802 A1 WO 2017156802A1
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- air
- flow
- working chamber
- airflow
- plates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
- B08B15/023—Fume cabinets or cupboards, e.g. for laboratories
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/081—Air-flow control members, e.g. louvres, grilles, flaps or guide plates for guiding air around a curve
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/082—Grilles, registers or guards
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/20—Casings or covers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/16—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by purification, e.g. by filtering; by sterilisation; by ozonisation
- F24F3/163—Clean air work stations, i.e. selected areas within a space which filtered air is passed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2215/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B2215/003—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area with the assistance of blowing nozzles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/082—Grilles, registers or guards
- F24F2013/088—Air-flow straightener
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/02—Details or features not otherwise provided for combined with lighting fixtures
Definitions
- the invention relates to an industrial or civil ventilation device, in particular to a ventilation device with a supplemental air and a steady flow structure used on the ventilation device.
- Ventilation equipment can generally be described as a device that excludes gases such as exhaust gases, harmful gases, and particulate matter from a workspace outside the workspace (usually outdoors), which are widely used in industry and in life, such as In the industrial production of toxic and harmful particulate matter plants, biological and chemical laboratories of research and development institutions, kitchens that produce soot during cooking, etc., ventilation equipment is required to discharge toxic gases and particulate matter in a certain working space.
- gases such as exhaust gases, harmful gases, and particulate matter from a workspace outside the workspace (usually outdoors), which are widely used in industry and in life, such as In the industrial production of toxic and harmful particulate matter plants, biological and chemical laboratories of research and development institutions, kitchens that produce soot during cooking, etc., ventilation equipment is required to discharge toxic gases and particulate matter in a certain working space.
- Most of the traditional ventilation equipment is provided with a cabinet to provide a working chamber (work space), and a large amount of indoor ambient air is sent from the front opening of the cabinet to the working chamber, and a high-power fan is used from the working chamber. Exhaust air to accommodate and handle harmful substances in the air. Since the indoor ambient air sent to the working chamber in most conventional ventilation equipment is clean and comfortable air that is air-conditioned to ensure the comfort and safety of the indoor working environment, the use of conventional ventilation equipment generally leads to the indoor where the ventilation equipment is located. The building produces a lot of air conditioning energy. In addition, unpredictable and inconsistent air flow patterns, such as venting air structures near the vent and front opening, can occur frequently. In this case, regardless of the speed of the air fed from the front opening, the turbulent flow and vortex of the air system in the working chamber of the ventilation device may cause the risk of air overflow, which constitutes the health and safety of the indoor workers. Threat.
- Chinese patent ZL201520216778.6 discloses a fume hood (ventilation device), which is provided with a supplemental air vent above or below the cabinet to obtain a compensation airflow from the wind power system of the building into the working chamber of the fume hood.
- the design largely saves the air conditioning energy consumption of the building due to the wind supplement; however, since there is no specific restriction flow device at each air supply opening of the fume hood disclosed in the patent, the direction of the supplementary air flow flowing out from the air supply port is arbitrary.
- the supplemental airflow flows freely in the air supply passage, and finally the turbulent airflow flowing out from the air inlet is still turbulent or turbulent, so the risk of overflowing the health and safety of indoor workers still exists;
- the airflow flows freely in the air supply passage, and the air supply passage is very noisy, which significantly reduces the comfort of the indoor environment where the fume hood is located.
- the present invention provides a steady flow structure and setting. Ventilation equipment with this steady flow structure.
- the steady flow structure comprises a plurality of L-shaped drainage plates, each drainage plate comprising a windward plate surface of one of the L-shaped and a longitudinal plate surface of the other of the L-shaped; all the drainage plates are arranged in a line shape
- the longitudinal plates of the drainage plates are arranged in parallel, and the wind deflecting surfaces of all the drainage plates are oriented in the same direction, and both are directed toward the direction in which the airflow is blown; the longitudinal plate faces of all the drainage plates are flush, and the length of the longitudinal plates is along
- the airflow blowing direction is increased; the sides of all the drainage plates are clamped by the walls constituting the airflow passage without gaps to form an airflow passage separated by the respective drainage panels, thereby moving the airflow from the windward panel surface in the longitudinal direction.
- the surface of the panel is directed to the respective airflow paths for blowing out.
- all the drainage plates in the steady flow structure provided by the present invention are equidistantly arranged in the shape of the in-line.
- the height of all the drainage plates in the steady flow structure provided by the present invention increases in the same direction as the airflow direction.
- the above-mentioned steady flow structure provided by the invention can significantly reduce the flow of air in the passage and reduce the airflow noise, thereby providing a smooth airflow output.
- the ventilation device comprises: a cabinet disposed indoors, the inner cavity of the cabinet constitutes a working cavity, and a front wall of the cabinet body is formed with a front opening that is open to the indoor environment; and a wind supplement passage is provided along the cabinet
- the air supply port extending in the left and right width direction of the working cavity fills the working cavity; and the air exhaust passage discharges the air entering the working cavity through the front opening and the air entering the working cavity through the air filling port from the working cavity to Outdoor
- a steady flow structure is disposed inside the air supply passage, and the steady flow structure includes a plurality of L-shaped drainage plates, each of which includes an air surface of one of the L-shaped and the other of the L-shaped
- the longitudinal plate surface; all the drainage plates are arranged in a line shape, the longitudinal plate faces of the drainage plates are arranged in parallel, and the wind deflecting plates of all the drainage plates are oriented in the same direction, and all face the direction in which the airflow is blown; all the drainage plates are The longitudinal plate end
- Airflow Passage so that the air stream from the plate surface directed to embrace the longitudinal direction of the respective plate surface blowing air flow passage; wind up structure positioned laterally of the steady flow uniformly and stably air tuyere blowing gas stream flowing along a swirl structure.
- all the drainage plates of the steady flow structure are equally spaced along the inline shape.
- the heights of all the drainage plates of the steady flow structure are increased in the direction of the airflow blowing direction.
- the ventilation device provided by the present invention has two above-mentioned steady flow structures symmetrically arranged inside and outside the air inlet, and the two steady flow structures are arranged in a line and have a configuration in which the middle height and the left and right ends are low.
- the supplemental airflow is blown from the left and right ends respectively, and flows through the two steady flow structures to be uniformly and stably blown out along the lateral air inlets of the two steady flow structures.
- a central partition is disposed in the middle of the two current stabilizing structures, and the central partition is located at an intermediate position of the above-mentioned inline shape, and is disposed in parallel with the longitudinal plate faces of all the drainage plates, and the sides of the central partition Both of them are clamped by the wall constituting the air supply passage without gaps, thereby separating the airflow in the right and left direction entering the steady flow structure.
- the ventilation device provided by the present invention comprises a supplemental air inlet located at an upper portion of the front opening of the working chamber and inside the working chamber, the air supply opening is directed toward the inside of the working chamber and is supplied obliquely downward.
- the ventilation device provided by the present invention further comprises another air supply opening, the air supply opening is located at a lower portion of the front opening of the working cavity, and the air supply opening is blown toward the interior of the working cavity.
- the ventilation device provided by the present invention further comprises an air outlet guide plate, and the air outlet guide plate is disposed orthogonally to the longitudinal plate surfaces of all the drainage plates for changing the direction of the air flow blown from the air supply opening.
- the ventilation device provided by the present invention further comprises a third air supply port located at an upper portion of the front opening of the working cavity and located outside the working cavity, the air supply port being blown downward.
- each air supply opening is provided with a mesh grille covering the air supply opening.
- the other air supply port is further provided with a mesh covering the mesh grille, and each mesh hole of the mesh has an area smaller than each mesh of the mesh grille. The area is to prevent foreign matter from falling into the other air vent.
- a supplemental air inlet of the supplemental air passage is disposed above the working chamber, and all airflows in the supplemental air passage are filled into the ventilation device from the supplemental air inlet.
- the left and right side walls of the cabinet body are respectively hollow structures, and the air supply inlet is communicated with the air supply port located at the lower portion of the working chamber.
- the ventilation device provided by the present invention has an exhaust passage located in the working chamber and adjacent to the rear portion of the cabinet.
- the exhaust passage extends in the left and right width direction of the working chamber, and an exhaust passage is disposed above the working chamber.
- the exhaust outlets discharge the airflow entering the exhaust passage to the outside of the working chamber.
- the exhaust passage is constructed by the upper, middle and lower deflector and the inner wall of the cabinet at the rear of the working chamber, wherein the lower deflector is located in the working chamber.
- the lower part is vertically disposed, and the lower section deflector has a plurality of through holes, and the plurality of through holes are distributed in the entire left and right width direction of the lower section deflector;
- the middle section deflector is located above the lower section deflector and faces
- the rear wall of the cabinet is inclined;
- the upper baffle is located above the middle baffle and inclined toward the upper wall of the cabinet; between the three baffles, between the three baffles and the inner wall of the cabinet A gap is provided; the airflow in the working chamber flows into the exhaust passage through the through hole and the gap, and is discharged to the outside through the exhaust outlet.
- the ventilation device provided by the present invention is provided with a work light for illuminating the working chamber in the inclined top wall.
- the supplemental airflow needs to flow through the steady flow structure before being blown out from the air supply port, and the inline-shaped drainage plate provided on the steady flow structure divides and rectifies the supplemental airflow, thereby greatly reducing the supplemental airflow.
- the proportion of the turbulent flow in the turbulent flow; the arrangement of the air outlet guide plate on the steady flow structure further defines the direction of the air flow blown from the air vent, thereby delivering the stabilized airflow through the split rectification to the working cavity in a desired direction;
- the air supply port inside the cavity is smoothly supplied to the inside of the working chamber to promote the indoor ambient airflow entering the working cavity from the front opening of the cabinet and the poisonous gas, soot or particulate matter in the cabinet to smoothly flow into the exhaust passage; and located outside the working chamber
- the air supply port is blown vertically downwards, and the downward blown wind can further reduce the risk of inhaling harmful substances by the operator outside the cabinet, and the downwardly blown wind forms an "air barrier", which can serve as a buffer working chamber.
- the arrangement of the gap increases the inlet of the airflow into the exhaust passage relative to the existing ventilation device, so that the airflow in the working chamber can flow into the exhaust passage through the exhaust outlet without going through a long climbing path, thereby further reducing The possibility of turbulent flow formation in the working chamber.
- the ventilation device provided by the invention relies on the smooth filling and exhausting of air, and establishes an effective airflow pushing and pulling mode in the working cavity, and does not need to rely on high-power exhausting as in the conventional ventilation device, and can be used in the working cavity.
- the poisonous gas is expelled efficiently and quickly.
- the experiment proves that the ventilation device provided by the invention has 80% of the air-filling ventilation equipment that meets the American standard in the existing market, and two-thirds of the exhaust air volume comes from the supplemental air passage.
- the energy consumption of the air conditioner in the room where the ventilation device is located is greatly reduced, and the overall energy saving efficiency is up to 83%; and because the exhaust air volume is low and the airflow is smooth, the working noise of the ventilation device provided by the invention is significantly reduced, and the noise at full load is working. Only 50 decibels.
- FIG. 1 is a perspective view of a preferred embodiment of a ventilation device provided by the present invention.
- FIG. 2 is a schematic diagram of airflow guiding of a preferred embodiment of a ventilation device provided by the present invention
- FIG. 3 is a perspective view of a supplemental air passage of a preferred embodiment of the ventilation device provided by the present invention.
- FIG. 4a is a perspective view of a supplemental air passage at the top of a cabinet according to a preferred embodiment of the ventilation device provided by the present invention
- 4b is a front view of a supplemental air passage at the top of the cabinet of the preferred embodiment of the ventilation device provided by the present invention.
- Figure 5a is a perspective view showing the structure of the first air supply port of the preferred embodiment of the ventilation device provided by the present invention.
- Figure 5b is a front elevational view showing the structure of the first air supply port of the preferred embodiment of the ventilation device provided by the present invention.
- Figure 5c is a left side view showing the structure of the first air supply port of the preferred embodiment of the ventilation device provided by the present invention.
- 5d is a perspective view showing a steady flow structure near the first air supply port of the preferred embodiment of the ventilation device provided by the present invention
- 6a is a perspective view showing the structure of the second air supply port of the preferred embodiment of the ventilation device provided by the present invention.
- Figure 6b is a front elevational view showing the structure of the second air supply port of the preferred embodiment of the ventilation device provided by the present invention.
- Figure 6c is a left side view showing the structure of the second air supply port of the preferred embodiment of the ventilation device provided by the present invention.
- 6d is a perspective view showing a steady flow structure near the second air inlet of the preferred embodiment of the ventilation device provided by the present invention.
- Figure 7a is a perspective view showing the structure of the third air supply port of the preferred embodiment of the ventilation device provided by the present invention.
- Figure 7b is a front elevational view showing the structure of the third air supply port of the preferred embodiment of the ventilation device provided by the present invention.
- Figure 7c is a left side view showing the structure of the third air supply port of the preferred embodiment of the ventilation device provided by the present invention.
- FIG. 7d is a perspective view showing a steady flow structure near a third air supply port of a preferred embodiment of the ventilation device provided by the present invention.
- Figure 8 is a perspective view showing the structure of the vicinity of the exhaust passage of the embodiment of the ventilation device provided by the present invention.
- FIG. 9 is a perspective view of a supplemental air passage of a second embodiment of the ventilation device provided by the present invention.
- Figure 10 is a perspective view of the air supply passage at the top of the cabinet body of the second embodiment of the ventilation device provided by the present invention.
- Figure 11a is a perspective view showing the structure of the first air supply port of the second embodiment of the ventilation device provided by the present invention.
- Figure 11b is a front elevational view showing the structure of the first air supply port of the second embodiment of the ventilation device provided by the present invention.
- Figure 11c is a right side view showing the structure of the first air supply port of the second embodiment of the ventilation device provided by the present invention.
- 11d is a perspective view showing a steady flow structure near the first air supply port of the second embodiment of the ventilation device provided by the present invention.
- Figure 12a is a perspective view showing the structure of the second air supply port of the second embodiment of the ventilation device provided by the present invention.
- Figure 12c is a left side view showing the structure of the second air supply opening of the second embodiment of the ventilation device provided by the present invention.
- 12d is a perspective view showing a steady flow structure near the second air inlet of the second embodiment of the ventilation device provided by the present invention.
- Figure 13a is a perspective view showing the structure of the third air supply port of the second embodiment of the ventilation device provided by the present invention.
- Figure 13b is a front elevational view showing the structure of the third air supply port of the second embodiment of the ventilation device provided by the present invention.
- Figure 13c is a left side view showing the structure of the third air supply port of the second embodiment of the ventilation device provided by the present invention.
- Figure 13d is a perspective view showing the flow stabilizing structure in the vicinity of the third air supply port of the second embodiment of the ventilation device provided by the present invention.
- FIG. 1 is a perspective view showing the appearance of a first embodiment of a ventilation device provided by the present invention
- FIG. 2 is a perspective view from the left side.
- the airflow in the working chamber of the ventilator is directed, and the specific airflow is indicated by arrows everywhere.
- the interior 101 of the cabinet 101 of the ventilating device 100 constitutes a working chamber 102 having a left side wall 103, a right side wall 104, a rear wall 105 and a front window 108, the front window 108 being opened to form an open to the indoor environment.
- the front opening; the top of the cabinet 101 is provided with a supplemental air inlet 106 for supplying a supplemental airflow to the supplemental air passage 1061 and an exhaust air outlet 107 for discharging the airflow entering the exhaust passage 1071 to the outdoor.
- FIG. 3 is a schematic view showing the appearance of an overall air supply passage in the ventilation device 100.
- Three air inlets are disposed on the cabinet 101.
- the first air inlet 109 is located at an upper portion of the front opening of the working chamber 102 and is inside the working chamber 102. As shown in FIG. 2, the air inlet is inclined toward the inside of the working chamber.
- the second air supply port 110 is located at a lower portion of the front opening of the working chamber 102. As shown in FIG. 2, the air supply port is blown toward the inside of the working chamber; the third air supply port 111 is located at the upper portion of the front opening of the working chamber 102. And located outside the working chamber 102, as shown in FIG. 2, the air inlet is blown vertically downward.
- FIGS. 4a and 4b illustrate the wind supplementation after the top panel 119 of the cabinet 101 is opened.
- the configuration of the supplemental air passage 1061 near the inlet 106 is as shown by the arrow in FIG. 4, and the supplemental airflow is vertically downwardly fed from the supplemental air inlet 106, and is separated by the splitter 1064 below the supplemental air inlet 106.
- the splitter 1062 For the AB two roads, respectively flow to the left and right sides of the cabinet; and in the position close to the left and right side walls of the cabinet, they are again separated into two front and a rear by the splitter 1062, that is, the left airflow A is divided into the front road by the splitter 1062
- the air flow A1 and the rear air flow A2 the right air flow B is divided into the front air flow B1 and the rear air flow B2 by the splitter 1062; the front air flow A1, B1 collide with the left and right side walls 103, 104 respectively, and the side wall and corresponding
- the air supply passage wall is restricted and the direction is changed to flow forward, and is further divided into left and right paths by the splitter 1063.
- the air flow A1 is divided into the air flow A11 and the air flow A12, and the air flow B1 is divided into the air flow B11 and the air flow B12; the air flow A11 Flowing from the left and right ends of the cabinet with the airflow B11
- the air supply passage near the three air inlets; the air flow A12 and the air flow B12 respectively flow from the left and right ends of the cabinet into the air supply passage near the first air inlet; the cabinet side walls 103 and 104 of the ventilation device 100 have a hollow double-layer structure.
- the rear airflows A2 and B2 collide with the left and right side walls 103, 104, respectively, and flow downward, and the side walls provided with the hollow structure are guided to the vicinity of the second air supply opening.
- the ventilation device 100 is provided with two steady flow structures on the inner side of each air supply port before the air supply air is blown out from the air supply port, so as to adjust the turbulent flow and restrict the air flow direction, thereby ensuring that the air supply from each air supply port is A steady flow that flows in a preset direction.
- Fig. 5 is a schematic view showing the structure in the vicinity of the first air supply port 109. It can be seen from Fig.
- the structure of the flow stabilizing structures 120 and 121 is as shown in FIG. 5d.
- the two stabilizing structures 120 and 121 are mirror-symmetrically distributed, and each stabilizing structure includes a plurality of L-shaped drainage plates 1201, each of which includes One of the L-shaped wind planes 12011 and the other of the L-shaped longitudinal planes 12012; all the drainage plates 1201 are arranged in a line, the longitudinal plates 12012 of the drainage plates are arranged in parallel, and each is stable All the wind planes 12011 in the flow structure are oriented in the same direction, and both face the direction in which the airflow is blown; the bottom end of the longitudinal plate surface 12012 of each steady flow structure is flush, and the length of the longitudinal plate surface 12012 is blown along the airflow.
- the directions are incremented; the sides of the plates of all the drainage plates 1201 are clamped without gaps by the walls constituting the air supply passages to form air flow passages 1065 separated by the respective drainage plates.
- a central partition 1202 is disposed in the middle of the two flow regulating structures 120 and 121, and the central partition is located at an intermediate position of the above-mentioned inline shape, and is disposed in parallel with the longitudinal plate faces of all the drainage plates, and the central partition plate is Each of the sides is clamped by the wall constituting the air supply passage without a gap, thereby separating the air flow in the right and left directions entering the steady flow structure.
- all the drainage plates 1201 and the central partition 1202 of the two flow regulating structures 120, 121 are equally spaced along the inline shape, and all the drainage of the two flow regulating structures 120, 121
- the height of the plate 1201 is increased in the same direction as the airflow direction (from 1201a to 1201e).
- the two flow regulating structures 120, 121 include (shared) two circular arc-shaped air outlet guide plates 1203, which are arranged orthogonally to the longitudinal plate faces 12012 of all the drainage plates for changing The direction of the airflow blown from the air vent.
- the air inlet 109 is provided with a mesh grill 116 covering the air inlet.
- the supplementary airflows A12 and B12 are from the left end of the steady flow structure 120.
- the design is a circular arc surface, which smoothly transitions the process of changing the flow direction of the airflow to minimize the occurrence of turbulence or turbulence.
- 5b and 5c are a front view and a left side view, respectively, of the structure near the first air inlet 109.
- the flow regulating structures 120 and 121 are respectively provided with five drainage plates 1201a-1201e, and the height thereof is decreased from 1201e to 1201a, so the airflow is supplemented.
- A12 or B12 is divided into six substreams by a different height of the deflector during the flow to the central baffle 1202, and the six substreams flow downward along the L-shaped configuration of the corresponding baffle.
- the flow velocity is reduced, and most of the turbulence or turbulent flow is adjusted by the deflector to a laminar flow state with a uniform flow velocity, and is finally orthogonal to the longitudinal plate faces of all the drainage plates.
- the circular arc-shaped air outlet guide plate 1203 disposed inside the air supply port 109 changes the flow direction, and is blown into the working chamber from the air supply port 109 obliquely downward as indicated by the arrow in FIG. 5c;
- the poisonous gas in the working chamber located near the middle of the working chamber has a very effective driving effect.
- Mesh grille 116 at air inlet 109 The arrangement further uniformly distributes the supplemental airflow, thereby further ensuring a uniform and stable laminar airflow from the air supply port 109 to the working chamber.
- FIG. 6 is a schematic view showing the structure in the vicinity of the second air supply port 110. It can be seen from Fig. 6a that after the hollow side walls 103 and 104 on the left and right sides of the cabinet, the supplementary airflows A2 and B2 flowing in from the left and right sides of the cabinet flow through the two steady flow structures 120 and 121 symmetrically distributed left and right, The steady flow structure is divided into a plurality of split flow streams, and finally blown out from the air supply port 110 along the guide of the air outlet guide plate in the steady flow mechanism 120.
- the structure of the flow stabilizing structures 120 and 121 is as shown in FIG. 6d.
- the two stabilizing structures 120 and 121 are mirror-symmetrically distributed.
- Each of the stabilizing structures includes a plurality of L-shaped drain plates 1201, and each of the drain plates 1201 includes One of the L-shaped wind planes 12011 and the other of the L-shaped longitudinal planes 12012; all the drainage plates 1201 are arranged in a line, the longitudinal plates 12012 of the drainage plates are arranged in parallel, and each is stable All the wind planes 12011 in the flow structure are oriented in the same direction, and both face the direction in which the airflow is blown; the bottom end of the longitudinal plate surface 12012 of each steady flow structure is flush, and the length of the longitudinal plate surface 12012 is blown along the airflow.
- the directions are incremented; the sides of the plates of all the drainage plates 1201 are clamped without gaps by the walls constituting the air supply passages to form air flow passages 1065 separated by the respective drainage plates.
- a central partition 1202 is disposed in the middle of the two flow regulating structures 120 and 121, and the central partition is located at an intermediate position of the above-mentioned inline shape, and is disposed in parallel with the longitudinal plate faces of all the drainage plates, and the central partition plate is Each of the sides is clamped by the wall constituting the air supply passage without a gap, thereby separating the air flow in the right and left directions entering the steady flow structure.
- all the drainage plates 1201 and the central partition 1202 of the two flow regulating structures 120, 121 are equally spaced along the inline shape, and all the drainage of the two flow regulating structures 120, 121
- the height of the plate 1201 is increased in the same direction as the airflow direction (from 1201a to 1201e).
- the two flow regulating structures 120, 121 include (shared) an air outlet guiding plate 1203, which is disposed orthogonally to the longitudinal plate surface 12012 of all the drainage plates for changing the blowing from the air supply opening The direction of the airflow.
- the air inlet 110 is provided with a mesh grille 116 covering the air inlet; and a mesh covering the mesh grille may be disposed outside the mesh grill 116, and the area of each mesh of the screen is smaller than
- the area of each mesh of the mesh grille 116 is designed to prevent foreign matter from falling into the air supply port 110 because the operator, such as an experimental operator, often stands in front of the air supply port 110 for experimental operation.
- the supplementary airflows A2 and B2 are from the steady flow structure.
- the wind deflector surface 12011 of different lengths of the deflector is respectively inserted into the corresponding drain plate and the wind
- the air passage 1065 formed by the passage wall is designed as a circular arc surface at the change of the airflow direction, thereby smoothly transitioning the flow direction of the airflow to minimize the occurrence of turbulence or turbulence.
- 6b and 6c are a front view and a left side view, respectively, of the structure near the second air inlet 110.
- the flow regulating structures 120 and 121 are respectively provided with five drainage plates 1201a-1201e, and the length thereof is decreased from 1201e to 1201a, so the airflow is supplemented.
- the flow of the supplemental airflow has a very effective driving effect on the poisonous gas in the working chamber located near the lower part of the working chamber.
- the arrangement of the mesh grille 116 and the screen 117 at the air inlet 110 further uniformly distributes the supplemental airflow, thereby further ensuring a uniform and stable laminar airflow from the air supply port 110 to the working chamber.
- the structure of the flow stabilizing structures 120 and 121 is as shown in FIG. 7d.
- the two stabilizing structures 120 and 121 are mirror-symmetrically distributed, and each stabilizing structure includes a plurality of L-shaped drain plates 1201, and each of the drain plates 1201 includes One of the L-shaped wind planes 12011 and the other of the L-shaped longitudinal planes 12012; all the drainage plates 1201 are arranged in a line, the longitudinal plates 12012 of the drainage plates are arranged in parallel, and each is stable All the wind planes 12011 in the flow structure are oriented in the same direction, and both face the direction in which the airflow is blown; the bottom end of the longitudinal plate surface 12012 of each steady flow structure is flush, and the length of the longitudinal plate surface 12012 is blown along the airflow.
- the directions are incremented; the sides of the plates of all the drainage plates 1201 are clamped without gaps by the walls constituting the air supply passages to form air flow passages 1065 separated by the respective drainage plates.
- a central partition 1202 is disposed in the middle of the two flow regulating structures 120 and 121, and the central partition is located at an intermediate position of the above-mentioned inline shape, and is disposed in parallel with the longitudinal plate faces of all the drainage plates, and the central partition plate is Each of the sides is clamped by the wall constituting the air supply passage without a gap, thereby separating the air flow in the right and left directions entering the steady flow structure.
- all the drainage plates 1201 and the central partition 1202 of the two flow regulating structures 120, 121 are equally spaced along the inline shape, and all the drainage of the two flow regulating structures 120, 121
- the height of the plate 1201 is increased in the same direction as the airflow direction (from 1201a to 1201e).
- the air inlet 109 is provided with a mesh grill 116 covering the air inlet.
- 7b and 7c are a front view and a left side view, respectively, of the structure near the third air supply port 111.
- the flow regulating structures 120 and 121 are respectively provided with five drainage plates 1201a-1201e, and the height thereof is decreased from 1201e to 1201a, so the airflow is supplemented.
- A11 or B11 is divided into six substreams by a different height of the deflector during the flow to the central baffle 1202, and the six substreams flow downward along the L-shaped configuration of the corresponding baffle.
- the flow rate is reduced, and most of the turbulence or turbulent flow is adjusted by the deflector to a laminar flow state with a uniform flow velocity, and finally, as indicated by the arrow in Fig. 7c, downwardly Blowing out from the air inlet 111; the downwardly blown wind is located just in the breathing position of the person standing in front of the cabinet, thereby further reducing the risk of the worker inhaling harmful substances, and the wind blowing downward from the third air inlet 111
- An "air barrier" is formed, which acts to buffer the ambient air inside the working chamber 102 and outside the cabinet, thereby effectively preventing the risk of overflow.
- the arrangement of the mesh grill 116 at the air inlet 111 further uniformly distributes the supplemental airflow, thereby further ensuring a uniform and stable laminar airflow from the air supply port 111.
- FIG. 8 shows the structure of the exhaust passage 1071 of the ventilating device 100: three upper, middle and lower diversion flows are arranged in the working chamber 102 and near the rear wall 105 of the cabinet.
- the plates 114, 113 and 112, the three-section baffle and the inner wall of the cabinet form an exhaust passage 1071;
- the lower baffle 112 has a plurality of through holes 115, and the through-hole 115 is around the lower baffle 112.
- the middle baffle 113 is located above the lower baffle 112 and is inclined toward the rear wall 105 of the cabinet; the upper baffle 114 is located above the middle baffle 113 and faces the upper wall of the cabinet The direction is inclined; a gap is provided between the three sections of the deflector, between the three sections of the deflector and the inner wall of the cabinet; the airflow in the working chamber flows into the exhaust passage through all the through holes and the gaps, and is disposed on The exhaust outlet 107 at the top of the cabinet 101 is discharged to the outside.
- the ventilation device in the prior art generally only relies on the through hole in the lower part of the working cavity and the air outlet area in the upper part of the working cavity for exhausting, and the airflow in the middle of the working cavity must climb through the longer path to be discharged from the upper row.
- the tuyere area is discharged, so the required exhaust air power is high, and the high-speed exhaust air in the large area of the exhaust duct area is likely to cause turbulent turbulence near the exhaust duct area.
- the ventilation device 100 of the embodiment of the present invention further provides a plurality of horizontally extending exhaust air gaps for exhausting air, so as to meet the airflow at different heights in the working cavity without climbing through a long path.
- the air is discharged into the exhaust passage 1071, thereby reducing the energy consumption of the exhaust air.
- the ventilation device 100 of the embodiment of the present invention discards a large area of the exhaust duct region and uses multiple gaps for exhausting air. Diverting the airflow entering the exhaust passage, suppressing the generation of turbulent turbulence, stabilizing the exhaust airflow, and because the exhaust air gap extends horizontally, the airflow in the working chamber is almost driven by the supplemental airflow Extending parallel to the horizontal plane to create an effective, smooth airflow push-pull mode.
- the arrows in Figure 2 show the flow of air as it enters, passes through, and exits the cabinet of the ventilator.
- the supplemental airflow enters the supplemental air passage 1061 from the supplemental air inlet 106, flows to the air supply ports 109, 110 and 111, and uniformly enters the working chamber 102 in the direction indicated by the arrow, and a part of the ambient air is also perpendicular to the front.
- the angle of the opening enters the working chamber 102 from the front opening.
- the replenishing airflow is evenly pushed to the exhaust passage 1071, and then discharged from the exhaust outlet 107 at the top of the cabinet in the direction of the arrow.
- the laminar wind sent by the first air inlet 109 can slowly and evenly climb the gas in the cabinet along the inclined wall to the exhaust area.
- the angle and shape of the sloping top wall 118 is designed to help control and prevent the overflow of harmful materials in the air within the working chamber 102 and to reduce the likelihood of vortex formation at the top of the working chamber 102.
- the inclined top wall can also be integrated with a flat lamp for illuminating the working cavity, so that the illumination work light is disposed at other positions in the working cavity, which is simple and beautiful.
- FIG. 9 is a schematic diagram showing the appearance of the air supply passage of the ventilation device.
- the cabinet 101 is provided with three air inlets: the first air inlet 109 is located at the upper portion of the front opening of the working chamber 102 and is inside the working chamber 102, as shown in FIG.
- the air supply port is directed toward the inside of the working chamber and is blown obliquely downward; the second air supply port 110 is located at a lower portion of the front opening of the working chamber 102, as shown in FIG. The air is blown inside the chamber; the third air inlet 111 is located at the upper portion of the front opening of the working chamber 102 and is located outside the working chamber 102. As shown in FIG. 2, the air inlet is blown vertically downward.
- FIG. 10 illustrates the vicinity of the air inlet 106 after opening the top panel 119 of the cabinet 101.
- the configuration of the supplemental air passage 1061 is as shown by the arrow in FIG. 10, and the supplemental airflow is fed vertically from the supplemental air inlet 106, and is divided into two ABs under the air inlet 106, respectively.
- the left and right sides of the body flow; the air flow of the A channel is directly connected to the third air supply port after being redirected by the side wall, and the steady flow structure located in the third air supply port is blown from the left side of the cabinet body to the right; the air flow B in the right side is close to the cabinet
- the position of the right side wall of the body is again divided into two front and rear roads B1 and B2 by the splitter 1062, and the front air flow B1 is sent to the first air supply port by the air supply passage, and is blown to the left side of the first right side of the cabinet body.
- the rear flow B2 is introduced into the hollow right side wall 104 of the cabinet, and is transported by the right side wall 104 to the vicinity of the second air supply opening, and is blown from the right side of the cabinet to the left side at the second air supply opening
- the steady flow structure inside.
- Each of the steady flow structures includes a plurality of L-shaped drainage plates 1201, and each of the drainage plates 1201 includes one of the L-shaped windshields 12011 and the L-shaped The other side of the longitudinal plate surface 12012; all the drainage plates 1201 are arranged in a line shape, the longitudinal plate surface 12012 of the drainage plate is relatively parallel, and all the wind plate faces 12011 in each steady flow structure are oriented in the same direction, both are welcoming The direction in which the airflow is blown; the bottom end of the longitudinal plate surface 12012 of each steady flow structure is flush, and the length of the longitudinal plate surface 12012 is increased in the direction in which the airflow is blown; the sides of all the drainage plates 1201 are formed to supplement the wind.
- the walls of the channel are clamped without gaps to form an airflow path 1065 separated by respective drainage plates.
- all the drainage plates 1201 of the steady flow structure 120 are equally spaced along the inline shape, and the heights of all the drainage plates of the flow regulation structure 120 are in the airflow direction (from 1201a to 1201k). ) The difference is increasing.
- the flow stabilizing structure 120 includes two arc-shaped air outlet guide plates 1203, which are orthogonally disposed with the longitudinal plate faces 12012 of all the drain plates to change the direction of the airflow blown from the air inlets. .
- the air inlet 109 is provided with a mesh grill 116 covering the air inlet.
- the supplementary air flow B12 flows from the right end of the steady flow structure 120, and is respectively driven by the drain plates of different heights.
- the wind tunnel surface 12011 is inserted into the airflow passage 1065 formed by the corresponding drainage plate and the air supply passage wall; the wind turbine surface 12011 is designed as a circular arc surface at the change of the airflow direction, thereby smoothly transitioning the flow direction of the airflow, and the maximum To avoid turbulence or turbulence Health.
- 11b and 11c are a front view and a left side view, respectively, of the structure near the first air inlet 109.
- the steady flow structure 120 is provided with 11 drainage plates 1201a-1201k, and the height thereof is increased from 1201a to 1201k, so the supplemental airflow B12 is in the direction. In the process of flowing on the left side, it is divided into 12 branch streams by the drain plates of different heights, and the 12 branch streams flow down along the L-shaped configuration of the corresponding drain plates. After the supplemental airflow B12 is separated by 12 airflow passages 1065, the flow velocity is reduced, and most of the turbulence or turbulent flow is adjusted by the deflector to a laminar flow state with a uniform flow velocity, and is finally set orthogonally to the longitudinal plates of all the drainage plates.
- the arc-shaped air outlet guide plate 1203 on the inner side of the air supply port 109 changes the flow direction, and is blown obliquely downward from the air supply port 109 into the working chamber as indicated by the arrow in Fig. 11c; the flow of the supplemental air flow to the work
- the poisonous gas in the cavity located near the middle of the working chamber has a very effective driving effect.
- the arrangement of the mesh grills 116 at the air inlet 109 further uniformly distributes the supplemental airflow, thereby further ensuring a uniform and stable laminar airflow from the air supply port 109 to the working chamber.
- the steady flow structure near the second air supply port 110 and the third air supply port 111 and the air flow direction at the corresponding position are as shown in FIGS. 12a-12d and 13a-13d, and the inside of the two air supply ports is supplemented with air flow from the air supply port.
- a steady flow structure 120 is provided before blowing out, and the direction of the steady flow structure in each air supply port is different due to the different blowing directions of the supplementary air flow.
- Those skilled in the art can view the steady flow structure near the second and third air supply openings of the first embodiment and the description of the first air supply port of the second embodiment from FIGS. 12a-12d, 13a-13d and above.
- the airflow distribution in the second and third air supply openings of the second embodiment of the present ventilation device has a clear and accurate understanding, and will not be described herein; the supplementary air flow passes through the second and third air supply ports respectively. After the structure, the steady flow structure is guided to the air supply port, and is uniformly and stably blown in the direction shown at the corresponding air supply port in FIG.
- the number of the drainage sheets in the steady flow structure of the ventilation device provided by the present invention can be appropriately increased or decreased according to specific use requirements.
- two air-filling ports are provided in the upper part of the cabinet body, and one air-filling port is arranged in the lower part of the cabinet body, and an air exhausting passage is arranged in the upper part of the cabinet body and close to the rear wall of the cabinet body, but The position and number of the air inlet and the exhaust passage are not limited to this, as long as a push-pull air flow mode can be formed in the working chamber.
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Abstract
Description
Claims (20)
- 一种用于气流通道内的稳流结构,其特征在于,所述稳流结构包括多个近L型的引流板,每个引流板包括L型中的一面的揽风板面和L型中的另一面的纵向板面;所有的引流板呈一字形排开,引流板的纵向板面相对平行设置,且所有引流板的揽风板面朝向一致,均迎向气流吹入的方向;所有引流板的纵向板面端平齐,且所述纵向板面的长度沿所述气流吹入方向递增;所有引流板的板面两侧被构成气流通道的壁无间隙夹紧,以形成以各个引流板相隔开的气流通路,从而将气流从揽风板面沿纵向板面引至所述各个气流通路吹出。
- 如权利要求1所述的稳流结构,其特征在于,所有的引流板间隔等距离地呈所述一字形排开。
- 如权利要求2所述的稳流结构,其特征在于,所有的引流板的高度沿气流吹入方向等差递增。
- 一种通风设备,包括:设置在室内的柜体,该柜体的内腔构成工作腔,且柜体的前壁形成有向室内环境敞开的前开口;补风通道,通过沿设置在柜体上的,并沿所述工作腔的左右宽度方向延伸的补风口向所述工作腔补风;以及排风通道,将经过所述前开口进入所述工作腔的空气和经过所述补风口进入所述工作腔的空气从所述工作腔排出到室外,其特征在于,在所述补风通道内部设置有稳流结构,所述稳流结构包括多个近L型的引流板,每个引流板包括L型中的一面的揽风板面和L型中的另一面的纵向板面;所有的引流板呈一字形排开,引流板的纵向板面相对平行设置,且所有引流板的揽风板面朝向一致,均迎向气流吹入的方向;所有引流板的纵向板面端平齐,且所述纵向板面的长度沿所述气流吹入方向递增;所有引流板的板面两侧被构成气流通道的壁无间隙夹紧,以形成以各个引流板相隔开的气流通路,从而将补风气流从揽风板面沿纵向板面引至所述各个气流通路吹出;补风气流流经所述稳流结构后沿位于所述稳流结构侧向的补风口均匀稳定地吹出。
- 如权利要求4所述的通风设备,其特征在于,所述稳流结构的所有的引流板间隔等距离地呈所述一字形排开。
- 如权利要求5所述的通风设备,其特征在于,所述稳流结构的所有的引流板的高 度沿气流吹入方向等差递增。
- 如权利要求4或5或6所述的通风设备,其特征在于,所述补风口内部左右对称地设置有两个所述稳流结构,该两个稳流结构一字排开且呈中间高左右两端低的构型,补风气流分别从左右两端吹入,流经所述两个稳流结构后沿位于所述两个稳流结构侧向的补风口均匀稳定地吹出。
- 如权利要求7所述的通风设备,其特征在于,所述两个稳流结构中间设置有一中心隔板,所述中心隔板位于所述一字形的中间位置,与所有的引流板的纵向板面相对平行设置,所述中心隔板的各侧边均被构成补风通道的壁无间隙夹紧,从而将进入所述稳流结构的、左右方向的补风气流隔开。
- 如权利要求8所述的通风设备,其特征在于,所述通风设备包含一个补风口,所述补风口位于所述工作腔的前开口的上部,且处于所述工作腔内部,该补风口朝向所述工作腔内部斜向下方送风。
- 如权利要求9所述的通风设备,其特征在于,所述通风设备还包含另一个补风口,所述另一个补风口位于所述工作腔的前开口的下部,该另一个补风口朝向所述工作腔内部送风。
- 如权利要求9或10所述的通风设备,其特征在于,所述稳流结构还包括出风口导向板,所述出风口导向板与所述所有引流板的纵向板面正交设置且位于所述补风口内部,用以改变从补风口吹出的气流方向。
- 如权利要求10所述的通风设备,其特征在于,所述通风设备还包含第三个补风口,所述第三个补风口位于所述工作腔的前开口的上部,且位于所述工作腔的外部,所述第三个补风口朝下送风。
- 如权利要求9或10或12所述的通风设备,其特征在于,所述通风设备的每个补风口设置有覆盖该补风口的网状格栅。
- 如权利要求13所述的通风设备,其特征在于,所述另一个补风口进一步设置有覆盖所述网状格栅的筛网,所述筛网的每个筛孔的面积小于所述网状格栅的每个网孔的面积。
- 如权利要求12所述的通风设备,其特征在于,所述工作腔的上方设置有所述补风通道的补风入口。
- 如权利要求15所述的通风设备,其特征在于,所述柜体的左右侧壁分别为中空结构,将所述补风入口与位于工作腔下部的补风口连通。
- 如权利要求12所述的通风设备,其特征在于,所述排风通道位于所述工作腔内且靠近所述柜体的后部,所述排风通道在所述工作腔的左右宽度方向上延伸,所述工作腔的上方设置有所述排风通道的排风出口,将进入所述排风通道的气流排出至所述工作腔外。
- 如权利要求17所述的通风设备,其特征在于,所述排风通道由处在所述工作腔后部的上、中、下三段导流板与柜体内壁构建,其中,下段导流板位于所述工作腔的下部且竖直地设置,所述下段导流板上开有多个贯穿孔,所述多个贯穿孔在所述下段导流板的整个左右宽度方向上分布;中段导流板位于下段导流板的上方,并朝柜体后壁方向倾斜设置;上段导流板位于中段导流板的上方,并朝柜体上壁方向倾斜设置;所述三段导流板之间、所述三段导流板与柜体内壁之间均设置有间隙;工作腔内的气流通过所述贯穿孔与所述间隙流入所述排风通道,并经所述排风出口排出至室外。
- 如权利要求18所述的通风设备,其特征在于,所述工作腔内设有从所述一个补风口朝向所述上段导流板与柜体顶壁的间隙而放置的倾斜顶壁。
- 如权利要求19所述的通风设备,其特征在于,所述倾斜顶壁内设置有照明所述工作腔的工作灯。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP16884243.3A EP3431894A4 (en) | 2016-03-17 | 2016-04-01 | STRUCTURE FOR EQUALLY FLUSHING AND VENTILATION DEVICE WITH A HOLDER WITH STRUCTURE WITH EVEN IMPROVED FLOW |
US15/549,643 US10357810B2 (en) | 2016-03-17 | 2016-04-01 | Steady flow structure and a ventilation apparatus having said steady flow structure |
KR1020187012367A KR20180051650A (ko) | 2016-03-17 | 2016-04-01 | 정상 흐름 구조체 및 정상 흐름 구조체를 갖는 환기 장치 |
JP2017544760A JP2019508651A (ja) | 2016-03-17 | 2016-04-01 | 定常流構造および定常流構造を有する換気装置 |
CA2976217A CA2976217A1 (en) | 2016-03-17 | 2016-04-01 | A steady flow structure and a ventilation apparatus having said steady flow structure |
SG11201705777SA SG11201705777SA (en) | 2016-03-17 | 2016-04-01 | A steady flow structure and a ventilation apparatus having said steady flow structure |
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CN201610152404.1A CN107202415B (zh) | 2016-03-17 | 2016-03-17 | 一种稳流结构及应用该稳流结构的通风设备 |
CN201610152404.1 | 2016-03-17 |
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WO2017156802A1 true WO2017156802A1 (zh) | 2017-09-21 |
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PCT/CN2016/078290 WO2017156802A1 (zh) | 2016-03-17 | 2016-04-01 | 一种稳流结构及应用该稳流结构的通风设备 |
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US (1) | US10357810B2 (zh) |
EP (1) | EP3431894A4 (zh) |
JP (1) | JP2019508651A (zh) |
KR (1) | KR20180051650A (zh) |
CN (1) | CN107202415B (zh) |
CA (1) | CA2976217A1 (zh) |
SG (1) | SG11201705777SA (zh) |
WO (1) | WO2017156802A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017129479A1 (de) * | 2017-12-11 | 2019-06-13 | Trumpf Laser- Und Systemtechnik Gmbh | Laserbearbeitungsvorrichtung zum Bearbeiten von Werkstücken mittels Laser |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107497815B (zh) * | 2017-10-11 | 2020-08-07 | 倚世节能科技(上海)有限公司 | 通风柜 |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100613765B1 (ko) * | 2005-08-22 | 2006-08-22 | 수공테크 주식회사 | 청정실용 팬구조물 |
KR20090017044A (ko) * | 2007-08-13 | 2009-02-18 | 지종민 | 도우컨디셔너의 습열분배구조 |
CN201865683U (zh) * | 2010-08-16 | 2011-06-15 | 彭世雄 | 片式栅栏分割导流*** |
CN204710833U (zh) * | 2015-04-10 | 2015-10-21 | 阮红正 | 通风柜 |
CN204934175U (zh) * | 2015-07-01 | 2016-01-06 | 岳彬 | 一种通风柜通风*** |
CN205536442U (zh) * | 2016-03-17 | 2016-08-31 | 阮红正 | 一种稳流结构及应用该稳流结构的通风设备 |
Family Cites Families (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2627220A (en) * | 1950-11-04 | 1953-02-03 | Sheldon & Co E H | Fume hood |
US2819666A (en) * | 1955-12-14 | 1958-01-14 | Kirk & Blum Mfg Company | Laboratory fume hood |
US3279883A (en) * | 1962-12-20 | 1966-10-18 | Midland Ross Corp | Distributing purified air |
US3251177A (en) * | 1963-05-15 | 1966-05-17 | Arthur K Baker | Dust-free bench |
US3318227A (en) * | 1965-03-10 | 1967-05-09 | Kewaunee Mfg Company | Fume hood |
US3604333A (en) * | 1969-11-05 | 1971-09-14 | Kewaunee Scient Equipment Corp | Fume hood |
US3771323A (en) * | 1972-05-17 | 1973-11-13 | Dualjet Corp | Refrigerated reach-in display compartment |
US3897721A (en) * | 1973-04-09 | 1975-08-05 | Rochelle Corp | Fumehood with compensating air supply |
US4177717A (en) * | 1978-07-27 | 1979-12-11 | American Hospital Supply Corporation | Baffle system for fume hood |
US4434711A (en) * | 1980-12-24 | 1984-03-06 | Hamilton Industries, Inc. | Fume hood with damper controlled baffles and method |
JPS60101441A (ja) * | 1983-11-07 | 1985-06-05 | Michihiko Kawano | 流体の流出入装置 |
JPS62228831A (ja) * | 1986-03-31 | 1987-10-07 | Kojima Press Co Ltd | 空調用ダクトの空気流偏向装置 |
JPS62228832A (ja) * | 1986-03-31 | 1987-10-07 | Kojima Press Co Ltd | 空調用ダクトの空気流偏向装置 |
US4785722A (en) * | 1987-07-28 | 1988-11-22 | Hamilton Industries | Fume hood with step baffles |
JPH02109946U (zh) * | 1989-02-17 | 1990-09-03 | ||
JPH04113183A (ja) * | 1990-09-04 | 1992-04-14 | Sanyo Electric Co Ltd | オープンショーケースの運転方法 |
US5334089A (en) * | 1992-09-18 | 1994-08-02 | Fisher Hamilton Scientific Inc. | Fume hood with adjustable baffle assembly |
JP2870378B2 (ja) * | 1993-10-15 | 1999-03-17 | 三菱電機株式会社 | 送風装置 |
JP2706222B2 (ja) * | 1994-02-10 | 1998-01-28 | 通彦 川野 | 案内羽根入りエルボ |
US5675983A (en) * | 1996-09-11 | 1997-10-14 | Kysor Industrial Corporation | Synergistic refrigerated display case |
JP2948199B2 (ja) * | 1997-09-22 | 1999-09-13 | 通彦 川野 | 案内羽根入り吸込エルボ |
US6428408B1 (en) * | 2000-05-18 | 2002-08-06 | The Regents Of The University Of California | Low flow fume hood |
US6659857B2 (en) * | 2001-07-11 | 2003-12-09 | Flow Sciences, Inc. | Turbulence-free laboratory safety enclosure |
US7531017B2 (en) * | 2003-07-28 | 2009-05-12 | Flow Sciences, Inc. | Lateral-flow biohazard safety enclosure |
JP2008030516A (ja) * | 2006-07-26 | 2008-02-14 | Howa Kasei Kk | 空気吹出調整用レジスタ |
JP2008134030A (ja) * | 2006-11-29 | 2008-06-12 | Fuji Electric Retail Systems Co Ltd | ライン型吹出口装置 |
US20080153409A1 (en) * | 2006-12-21 | 2008-06-26 | Edward Neal Koop | Static air mixer |
JP4884547B2 (ja) * | 2010-04-04 | 2012-02-29 | 有限会社川野技研 | 案内羽根入り吹出エルボ |
US9056339B2 (en) * | 2010-08-27 | 2015-06-16 | Exposure Control Technologies, Inc. | Airfoil and baffle assemblies that reduce airflow requirements for fume hoods and fume hoods incorporating same |
JP6003756B2 (ja) * | 2013-03-26 | 2016-10-05 | 富士ゼロックス株式会社 | 送風装置及び画像形成装置 |
JP5881227B1 (ja) * | 2015-08-07 | 2016-03-09 | 有限会社川野技研 | エアカーテン装置 |
-
2016
- 2016-03-17 CN CN201610152404.1A patent/CN107202415B/zh active Active
- 2016-04-01 US US15/549,643 patent/US10357810B2/en active Active
- 2016-04-01 SG SG11201705777SA patent/SG11201705777SA/en unknown
- 2016-04-01 EP EP16884243.3A patent/EP3431894A4/en not_active Withdrawn
- 2016-04-01 WO PCT/CN2016/078290 patent/WO2017156802A1/zh active Application Filing
- 2016-04-01 KR KR1020187012367A patent/KR20180051650A/ko active Search and Examination
- 2016-04-01 JP JP2017544760A patent/JP2019508651A/ja active Pending
- 2016-04-01 CA CA2976217A patent/CA2976217A1/en not_active Abandoned
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100613765B1 (ko) * | 2005-08-22 | 2006-08-22 | 수공테크 주식회사 | 청정실용 팬구조물 |
KR20090017044A (ko) * | 2007-08-13 | 2009-02-18 | 지종민 | 도우컨디셔너의 습열분배구조 |
CN201865683U (zh) * | 2010-08-16 | 2011-06-15 | 彭世雄 | 片式栅栏分割导流*** |
CN204710833U (zh) * | 2015-04-10 | 2015-10-21 | 阮红正 | 通风柜 |
CN204934175U (zh) * | 2015-07-01 | 2016-01-06 | 岳彬 | 一种通风柜通风*** |
CN205536442U (zh) * | 2016-03-17 | 2016-08-31 | 阮红正 | 一种稳流结构及应用该稳流结构的通风设备 |
Non-Patent Citations (1)
Title |
---|
See also references of EP3431894A4 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017129479A1 (de) * | 2017-12-11 | 2019-06-13 | Trumpf Laser- Und Systemtechnik Gmbh | Laserbearbeitungsvorrichtung zum Bearbeiten von Werkstücken mittels Laser |
KR20190069325A (ko) * | 2017-12-11 | 2019-06-19 | 트룸프 레이저-운트 시스템테크닉 게엠베하 | 레이저로 공작물을 가공하는 레이저 가공 장치 |
US11161212B2 (en) | 2017-12-11 | 2021-11-02 | Trumpf Laser—und Systemtechnik GmbH | Laser machine for machining workpieces |
KR102329564B1 (ko) * | 2017-12-11 | 2021-11-23 | 트룸프 레이저-운트 시스템테크닉 게엠베하 | 레이저로 공작물을 가공하는 레이저 가공 장치 |
Also Published As
Publication number | Publication date |
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KR20180051650A (ko) | 2018-05-16 |
CN107202415B (zh) | 2019-07-19 |
JP2019508651A (ja) | 2019-03-28 |
EP3431894A1 (en) | 2019-01-23 |
SG11201705777SA (en) | 2017-10-30 |
US10357810B2 (en) | 2019-07-23 |
CN107202415A (zh) | 2017-09-26 |
EP3431894A4 (en) | 2019-11-06 |
CA2976217A1 (en) | 2017-09-17 |
US20180065161A1 (en) | 2018-03-08 |
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