CN101053850A - Outer rotor fan type biological safety cabinet - Google Patents
Outer rotor fan type biological safety cabinet Download PDFInfo
- Publication number
- CN101053850A CN101053850A CN 200710079577 CN200710079577A CN101053850A CN 101053850 A CN101053850 A CN 101053850A CN 200710079577 CN200710079577 CN 200710079577 CN 200710079577 A CN200710079577 A CN 200710079577A CN 101053850 A CN101053850 A CN 101053850A
- Authority
- CN
- China
- Prior art keywords
- air
- connects
- outer rotor
- air supply
- operating desk
- 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.)
- Granted
Links
Images
Landscapes
- Ventilation (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to an outer rotor fan style bio-safety cabinet, which cabinet body part is arranged on a bracket part. An upper part of the cabinet body part is cleaning work area, and an lower part is an operating part. A control part is arranged on front of the cabinet body part via relative electric appliances and circuit, an air supply filter of the cleaning work area is arranged on a I-shaped bracket, and an air supply plenum box is arranged on the air supply filter compressed sealed by an upper and lower faces . The I-shaped bracket and the air supply plenum box are pressed on the air supply filter, the central part is positioned on a zone of negative pressure. The air supply plenum box is provided with a baffle, an anechoic guide vane, and an outer rotor fan, and an air exhausting filter and an air exhausting plenum box pressing tightly on the air exhausting filter are arranged above the air supply plenum box. The invention can effectively increase cleanliness and laminar flow uniformity and regulate ratio size of air volume flowing through a front and a bock return air inlets, and the invention has advantages of stable operation, reliable seal and low noise.
Description
Technical field
The invention belongs to the cleaning equipment field, relate to a kind of outer rotor fan type biological safety cabinet that is used for the Bioexperiment operation.
Background technology
The prior biological safety cabinet, its core blower fan all uses traditional centrifugal blower, causes the total must be around its heavy shape and designing, and exists 1, air-flow is inhomogeneous, and volume is big, and weight is big, and vibrations are big, and noise is big; 2, be subjected to the big and easily restriction of vibrations of profile, be not easy to solve the problem of filter hermetically-sealed construction, often can't guarantee strict sealing property, minor leakage can directly enter the clean working region of Biohazard Safety Equipment, makes cleanliness factor be affected; 3, high efficiency particulate air filter inconvenience is changed in the restriction that is subjected to structure; 4, adopt the centrifugal blower fluctuation of service, service life is short; 5, the restriction that is subjected to shape realizes the peripheral relatively difficulty of negative pressure encirclement that forms in operating space; 6, support is heavy, and support itself is regulated highly limited, and pedal is generally unadjustable, can't satisfy the many deficiencies such as requirement of user to comfort level.
Summary of the invention
The objective of the invention is to solve above-mentioned prior art problem and a kind of effective raising cleanliness factor and the laminar flow uniformity are provided, operate steadily, sealing is reliable, the outer rotor fan type biological safety cabinet that noise is little.
The technical solution used in the present invention: a kind of outer rotor fan type biological safety cabinet, its cabinet partly is arranged on above the holder part, cabinet part internal upper part is to purify the workspace part, the bottom is the operating desk part, control section is by relevant electrical equipment, it is positive that circuit is installed in the cabinet part, the powered air-purifying device of described purification workspace part is installed in above the I shape support, air supply plenum chamber is installed in above the powered air-purifying device, adopt double-sided compression formula sealing up and down, I shape support and air supply plenum chamber are pressed on the powered air-purifying device, mid portion is in negative pressuren zone, deflector is installed in the air supply plenum chamber, the noise elimination guide vane, outer rotor blower fan, be provided with exhaust-air filter and air draft plenum chamber above the air supply plenum chamber, the air draft plenum chamber is pressed on the exhaust-air filter.
Described I shape support is installed in the front beam, operating desk both sides Internal baffle of cabinet part and above the operating desk postnotum, illuminating lamp is installed on the front beam, above the operating desk postnotum uviol lamp is installed, diffuser plate is installed in I shape support below, the front portion connects with front beam, and the rear portion connects with the operating desk postnotum.
Described air supply plenum chamber is a jack-up formula structure, is welded with two setscrew nuts on the I shape support, cooperates with jack-up formula bolt.
Described cabinet part constitutes frame structure by two rear columns of two front columns in front and back, front beam is installed, the two sides, front and back of framework is equipped with front panel, postnotum, the top of framework is equipped with the cabinet lamina tecti, front panel connects with front apron by hinge, cabinet top flange is installed on the cabinet lamina tecti, cabinet top flange connects the soft cloth that connects, and the soft cloth that connects connects with the air draft plenum chamber that purifies the workspace part by the soft cloth press box that connects.
Described front beam top is purifying area, front baffle board and back plate washer are installed, the bottom is the operating desk part, operating desk part back is equipped with the operating desk postnotum, operating desk both sides Internal baffle, operating desk both sides outer baffle, two front column installed inside the form slide rail is arranged, be provided with the elevating glass groove in the form slide block, install in the elevating glass groove and have the elevating glass of scratching hand, two front columns and two the counterweight pulley is installed above the rear column, the counterweight steel wire extends along the counterweight pulley, front end connects elevating glass, and the rear end connects two counter weights, and two counter weights are arranged in two rear columns.
Rack-mount of the base plate of described operating desk part, the guidance panel support is installed above the base plate, the blowdown tap is installed below, return air orifice plate and operation circular arc support plate before guidance panel support front is equipped with, guidance panel support back is equipped with guidance panel, and guidance panel is equipped with the return air adjustable plate below by regulating fastening bolt.
The noise elimination guide vane is installed in the described air supply plenum chamber, and noise elimination guide vane cross section is chevron shaped, and is provided with the many apertures of number.
The frame bottom of described holder part is equipped with universal rolling wheel and lower margin, and the screw rod of lower margin and base are by packing ring, screw attachment.
On the support of described holder part foot pedal apparatus is installed, its stull laterally is installed in two inboards of front support frame, and thread spindle one end of stull is equipped with friction shim, lock handle, and the other end is equipped with crank, and crank cooperates with pedal by axle sleeve.
The limit switch of described control section connects the spacing alarm indicator lamp on the control panel, two pressure difference switches are by gas conduit and the inner UNICOM of air supply plenum chamber, limit switch is connected buzzer siren respectively with pressure difference switch, buzzer siren connects the setting mute button on the control panel, the socket that is provided with on control panel, uviol lamp, illuminating lamp, blower fan and timer operation button connect the built-in pressure regulator of supply socket, uviol lamp, illuminating lamp and cabinet respectively, pressure regulator connects outer rotor blower fan, uviol lamp and illuminating lamp interlocking.
The positive beneficial effect that the present invention had:
1. by utilization rationally and installation outer rotor blower fan, make the interior air-flow of Biohazard Safety Equipment more even, can improve the cleanliness factor and the laminar flow uniformity, keep the complete machine operation more steady, increase the service life;
2. adopt the high efficiency particulate air filter negative-pressure sealing, sealing is reliable, makes cleanliness factor and anti-leak performance obtain essence and improves;
3. plenum chamber is designed to jack-up formula structure, makes the replacing high efficiency particulate air filter simple and easy to do, and every only needs 20 minutes, and a people can independently finish, handling safety;
4. the design of deflector and noise elimination blade is unique, reduces noise more than 5 decibels, can reduce gas-flow resistance simultaneously, thereby keeps stream pressure and uniform and stable property;
5. be provided with the return air adjustable plate, return air hole is crossed the scale of air quantity before and after can regulating, and is even to guarantee the working face laminar flow, can suitably control operation window air intake wind speed simultaneously;
6. support modern design, can realize regulating lower margin and make the Biohazard Safety Equipment lifting, pedal can the Z axle be the center, with the distance to X-axis is that radius is regulated height arbitrarily, moved forward and backward between three pitch-rows in the horizontal direction, can be the adjusting that multiple function such as is freely rotated in the center according to user's comfortable angle with the X-axis;
7. volume of the present invention is little, in light weight, shakes for a short time, and noise is little, can be widely used in Bioexperiment operation field of purification such as health, medical treatment, biological study;
8. detect data in the table 1 and show that detect five, cleanliness factor is all qualified, the workspace laminar flow is uniform and stable, and every data are better than national sector standard.
Description of drawings
Fig. 1 is the front view of structural representation of the present invention;
Fig. 2 is the vertical view of structural representation of the present invention;
Fig. 3 is the right view of structural representation of the present invention;
Fig. 4 analyses and observe part and positive air flow schematic diagram for A-A among Fig. 2;
Fig. 5 analyses and observe and side air-flow schematic diagram for B-B among Fig. 2;
Fig. 6 analyses and observe for C-C among Fig. 1 and overlooks the air-flow schematic diagram;
Fig. 7 is an I portion enlarged drawing among Fig. 5;
Fig. 8 is an II portion enlarged drawing among Fig. 5;
Fig. 9 is a jack-up formula bolt arrangement schematic diagram of the present invention;
Figure 10 is lower margin STRUCTURE DECOMPOSITION figure of the present invention;
Figure 11 is a noise elimination guide vane structural representation of the present invention;
Figure 12 is a return air adjustable plate structural representation of the present invention;
Figure 13 is a foot pedal apparatus structural representation of the present invention;
Figure 14 is a control device principle schematic of the present invention.
The specific embodiment
Consult Fig. 1, Fig. 2, shown in Figure 3, a kind of outer rotor fan type biological safety cabinet mainly is made of parts such as cabinet part 1, operating desk part 2, holder part 3, purification workspace part 4, control sections 5; Its cabinet part 1 is arranged on the holder part 3, connect by hexagon socket head cap screw, in cabinet part 1, top is to purify workspace part 4, the bottom is an operating desk part 2, control section 5 is positioned at the inside that purifies workspace part 4, is installed in the position that personnel operation is convenient in cabinet part 1 front by relevant electrical equipment, circuit lead.
Consult Fig. 4, Fig. 5, shown in Figure 6, described cabinet part 1 comprises elevating glass 105, front column 106, elevating glass groove 107, rear column 108, operating desk postnotum 109, operating desk both sides Internal baffle 110, postnotum 111, back plate washer 112, cabinet lamina tecti 113, soft cloth press box 114, cabinet top flange 115, soft cloth 116, hinge 117, counterweight pulley 118, counter weight 119, form slide rail 120, form slide block 121, the operating desk both sides outer baffle 122 etc. of connecing of connecing of front panel 101, counterweight steel wire 102, front baffle board 103, front beam 104, the stingy hand of band; Constitute rectangular frame by two rear columns 108 of two front columns 106 in front and back, about the middle part of framework front beam 104 is installed highly greatly, the two sides, front and back of framework is equipped with front panel 101, postnotum 111, the top of framework is equipped with cabinet lamina tecti 113, front panel 101 connects with front apron 103 by hinge 117, front panel 101 can start, cabinet top flange 115 is installed on the cabinet lamina tecti 113, cabinet top flange 115 connects the soft cloth 116 that connects, and the soft cloth 116 that connects connects with the air draft plenum chamber 401 that purifies workspace part 4 by the soft cloth press box 114 that connects; Described front beam 104 tops are purifying areas, and front baffle board 103 and back plate washer 112 are installed, and the bottom is an operating desk part 2, and operating desk part 2 back are equipped with operating desk postnotum 109, operating desk both sides Internal baffle 110, operating desk both sides outer baffle 122; Two front column 106 installed inside form slide rail 120 is arranged, be provided with elevating glass groove 107 in the form slide block 121, the elevating glass 105 that has stingy hand is installed in the elevating glass groove 107; At two front columns 106 with above two rear columns 108 counterweight pulley 118 is installed, counterweight steel wire 102 extends along counterweight pulley 118, and front end connects elevating glass 105, and the rear end connects two counter weights, 119, two counter weights 119 and is arranged in two rear columns 108.
Described operating desk part 2 comprises operation circular arc support plate 201, preceding return air orifice plate 202, guidance panel 203, blowdown tap 204, guidance panel support 205, base plate 206, return air adjustable plate 207, regulates fastening bolt 208 etc.; Its base plate 206 is installed in above the support 301 of holder part 3, guidance panel support 205 is installed above the base plate 206, blowdown tap 204 is installed below, return air orifice plate 202 and operation circular arc support plate 201 before guidance panel support 205 fronts are equipped with, guidance panel support 205 back are equipped with guidance panel 203, guidance panel 203 back are equipped with return air adjustable plate 207 by regulating fastening bolt 208, can regulate the position of return air adjustable plate 207 by fastening bolt 208.
Described holder part 3 comprises support 301, foot pedal apparatus 302, roller 303, lower margin 304 etc.; Its support 301 is a rectangular frame, near the front foot pedal apparatus 302 is installed, and support 301 bottoms are equipped with four universal rolling wheels 303 and four lower margins 304.
Consult Fig. 7, Fig. 8, shown in Figure 9 simultaneously, described purification workspace part 4 comprises air draft plenum chamber 401, exhaust-air filter 402, exhaust-air filter fastening bolt 403, air supply plenum chamber 404, deflector 405, noise elimination guide vane 406, outer rotor blower fan 407, fan supporter 408, powered air-purifying device 409, I shape support 410, uviol lamp 411, diffuser plate 412, illuminating lamp 413, jack-up formula bolt 414, powered air-purifying device fastening bolt 415, setscrew nut 416 etc.; Its I shape support 410 is installed in the front beam 104 of cabinet part 1, operating desk both sides Internal baffle 110 and above the operating desk postnotum 109, powered air-purifying device 409 is installed in above the I shape support 410, air supply plenum chamber 404 is installed in above the powered air-purifying device 409, adopt double-sided compression formula sealing up and down, I shape support 410 compresses powered air-purifying device 409 with air supply plenum chamber 404 by powered air-purifying device fastening bolt 415, mid portion is in negative pressuren zone, illuminating lamp 413 is installed on the front beam 104, uviol lamp 411 is installed above the operating desk postnotum 109, diffuser plate 412 is installed in I shape support 410 belows, diffuser plate 412 front portions connect with front beam 104, and the rear portion connects with operating desk postnotum 109; Air supply plenum chamber 404 is designed to jack-up formula structure, is welded with two setscrew nuts 416 on I shape support 410, cooperates with jack-up formula bolt 414, but by regulating jack-up formula bolt 414 jack-up air supply plenum chambers 404, is convenient to change powered air-purifying device 409; Deflector 405, noise elimination guide vane 406, outer rotor blower fan 407 are installed in air supply plenum chamber 404, air port, outer rotor blower fan 407 top is over against blower fan annex baffle liner, blower fan annex baffle liner and air supply plenum chamber 404 tops are spirally connected, and outer rotor blower fan 407 bottoms and fan supporter 408 are spirally connected; Fan supporter 408 and the welding of air supply plenum chamber 404 two sides are equipped with exhaust-air filter 402 and air draft plenum chamber 401 on air supply plenum chamber 404, air draft plenum chamber 401 is pressed on the exhaust-air filter 402 by exhaust-air filter fastening bolt 403.
Consult shown in Figure 10ly, described lower margin 304 structures comprise swivel nut 3041, screw rod 3042, base 3043, packing ring 3044, screw 3045 etc.; Its screw rod 3042 connects by packing ring 3044, screw 3045 with base 3043, and screw rod 3042 upper external screw threads and swivel nut 3041 screw-internal thread fit can be regulated lower margin 304 height by rotary screw 3042, make the Biohazard Safety Equipment lifting.
Consult shown in Figure 11, the noise elimination guide vanes of installing in the described air supply plenum chamber 404 406, its cross section is chevron shaped, the herringbone template is provided with the many apertures of number, can slow down gas shock, plays the effect of abating noises.
Consult shown in Figure 12ly, described return air adjustable plate 207 is installed in below the guidance panel 203 by regulating fastening bolt 208, near operating desk postnotum 109, and is positioned at return air hole 2031 places that are provided with on the guidance panel 203.
Consult shown in Figure 13ly, described foot pedal apparatus 302 comprises pedal 3021, crank 3022, stull 3023, friction shim 3024, lock handle 3025, axle sleeve 3026 etc.; Its stull 3023 laterally is installed in two inboards of front support frame 301, and thread spindle one end of stull 3023 is equipped with friction shim 3024, lock handle 3025, and the other end is equipped with crank 3022, and crank 3022 is slidingly matched by axle sleeve 3026 and pedal 3021.
Consult shown in Figure 14ly, described control section 5 comprises limit switch 501, pressure difference switch 502, buzzer siren 503, spacing alarm indicator lamp 504, pressure reduction alarm lamp 505, sets mute button 506, control panel 507, pressure regulator 508, supply socket 509, timer 510 and attaching plug, switch and interlock circuit lead etc.; The spacing alarm indicator lamp 504 that its limit switch 501 connects on the control panel 507, when being higher than 200mm for glass vision panel, limit switch 501 reports to the police by spacing alarm indicator lamp 504, two pressure difference switches 502 are by gas conduit and air supply plenum chamber 404 inner UNICOMs, when all can making pressure difference switch 502 output signals during less than 100Pa or greater than 220Pa, the air pressure in the air supply plenum chamber 404 cause the pressure reduction indicator lamp 505 on the control panel 507 to be reported to the police, limit switch 501 also is connected buzzer siren 503 respectively with pressure difference switch 502, the setting mute button 506 that buzzer siren 503 connects on the control panel 507, on control panel 507, also be provided with socket, uviol lamp, illuminating lamp, action buttons such as blower fan and timer 510, connect supply socket 509 respectively, uviol lamp 411, the built-in pressure regulator 508 of illuminating lamp 413 and cabinet, pressure regulator 508 connects outer rotor blower fan 407, uviol lamp 411 and illuminating lamp 413 interlockings.
Operation principle of the present invention: consult shown in Figure 4, because powered air-purifying device 409 adopts the sealing of double-sided compression formula with the sealing of clean working region E, middle exposed part is in the negative pressure region D, even double-sided compression still has the slit like this, minor leakage can not passed negative pressure region D yet and be entered in the clean working region E, but can flow to negative pressure region D, guarantee that the clean working region E ne-leakage of Biohazard Safety Equipment pollutes.
Table 1 outer rotor fan type (II level-A2 type) Biohazard Safety Equipment measured data
| Parameter name | Unit | Industry standard JG170--2005 | New invention equipment measured value | ||||
| The A point | The B point | The C point | The D point | The E point | |||
| Noise | dB(A) | Be less than or equal to 65 decibels | 57 decibels | ||||
| Wind speed | m/s | (0.25--0.4 meter per second) | 0.36 | 0.32 | 0.31 | 0.33 | 0.35 |
| Vibration (net amplitude) | um | Be less than or equal to 5 microns | 2.7 | 2.6 | 3 | 2.5 | 2.4 |
| Cleanliness factor (ISO-14644) | | 5 | 5 grades | ||||
| Illumination | Lx | More than or equal to 650 | 710 | ||||
| Operation window air intake mean wind speed | m/s | More than or equal to 0.5 | 0.58 | ||||
Operating space measuring point schematic diagram
The detecting instrument title
| Dust particle numeration instrument | Y09-6 type laser dust particle counter |
| Anemobiagraph | ZRQF-F30J intelligence hot-bulb formula airspeedometer |
| Illumination photometer | The LX-101 illumination photometer |
| Acoustic meter | HS5920 type noise level indicator |
| Vibration measuring apparatus | KH-XYZ102 type vibration measuring apparatus |
| Thermohygrometer | HC-1 ambient parameter detector |
| Differential manometer | The GLB-02F difference gauge |
Claims (10)
1. outer rotor fan type biological safety cabinet, its cabinet partly is arranged on above the holder part, cabinet part internal upper part is to purify the workspace part, the bottom is the operating desk part, control section is by relevant electrical equipment, it is positive that circuit is installed in the cabinet part, the powered air-purifying device (409) that it is characterized in that described purification workspace part (4) is installed in above the I shape support (410), air supply plenum chamber (404) is installed in above the powered air-purifying device (409), adopt double-sided compression formula sealing up and down, I shape support (410) is pressed on the powered air-purifying device (409) with air supply plenum chamber (404), mid portion is in negative pressuren zone, deflector (405) is installed in the air supply plenum chamber (404), noise elimination guide vane (406), outer rotor blower fan (407), be provided with exhaust-air filter (402) and air draft plenum chamber (401) above the air supply plenum chamber (404), air draft plenum chamber (401) is pressed on the exhaust-air filter (402).
2. outer rotor fan type biological safety cabinet according to claim 1, it is characterized in that described I shape support (410) is installed in the front beam (104) of cabinet part (1), operating desk both sides Internal baffles (110) and above the operating desk postnotum (109), illuminating lamp (413) is installed on the front beam (104), uviol lamp (411) is installed above the operating desk postnotum (109), diffuser plate (412) is installed in I shape support (410) below, the front portion connects with front beam (104), and the rear portion connects with operating desk postnotum (109).
3. outer rotor fan type biological safety cabinet according to claim 1 is characterized in that described air supply plenum chamber (404) is jack-up formula structure, is welded with two setscrew nuts (416) on I shape support (410), cooperates with jack-up formula bolt (414).
4. outer rotor fan type biological safety cabinet according to claim 1, it is characterized in that described cabinet part (1) constitutes frame structure by two front columns in front (106) and two rear columns in back (108), front beam (104) is installed, the two sides, front and back of framework is equipped with front panel (101), postnotum (111), the top of framework is equipped with cabinet lamina tecti (113), front panel (101) connects with front apron (103) by hinge (117), cabinet top flange (115) is installed on the cabinet lamina tecti (113), cabinet top flange (115) connects the soft cloth (116) that connects, and the soft cloth (116) that connects connects with the air draft plenum chamber (401) that purifies workspace part (4) by the soft cloth press box (114) that connects.
5. outer rotor fan type biological safety cabinet according to claim 4, it is characterized in that described front beam (104) top is purifying area, front baffle board (103) and back plate washer (112) are installed, the bottom is an operating desk part (2), operating desk part (2) back is equipped with operating desk postnotum (109), operating desk both sides Internal baffles (110), operating desk both sides outer baffles (122), in two front columns (106) installed inside form slide rail (120) is arranged, be provided with elevating glass groove (107) in the form slide block (121), install in the elevating glass groove (107) and have the elevating glass (105) of scratching hand, counterweight pulley (118) is installed at two front columns (106) with above two rear columns (108), counterweight steel wire (102) extends along counterweight pulley (118), front end connects elevating glass (105), the rear end connects two counter weights (119), and two counter weights (119) are arranged in two rear columns (108).
6. outer rotor fan type biological safety cabinet according to claim 1, the base plate (206) that it is characterized in that described operating desk part (2) is installed in above the support (301), guidance panel support (205) is installed above the base plate (206), blowdown tap (204) is installed below, return air orifice plate (202) and operation circular arc support plate (201) before guidance panel support (205) front is equipped with, guidance panel support (205) back is equipped with guidance panel (203), and guidance panel (203) is equipped with return air adjustable plate (207) below by regulating fastening bolt (208).
7. outer rotor fan type biological safety cabinet according to claim 1 is characterized in that being equipped with in the described air supply plenum chamber (404) noise elimination guide vane (406), and noise elimination guide vane (406) cross section is chevron shaped, and is provided with the many apertures of number.
8. outer rotor fan type biological safety cabinet according to claim 1, support (301) bottom that it is characterized in that described holder part (3) is equipped with universal rolling wheel (303) and lower margin (304), and the screw rod (3042) of lower margin (304) connects by packing ring (3044), screw (3045) with base (3043).
9. outer rotor fan type biological safety cabinet according to claim 1, it is characterized in that on the support (301) of described holder part (3) foot pedal apparatus (302) being installed, its stull (3023) laterally is installed in two inboards of front support frame (301), thread spindle one end of stull (3023) is equipped with friction shim (3024), lock handle (3025), the other end is equipped with crank (3022), and crank (3022) cooperates with pedal (3021) by axle sleeve (3026).
10. outer rotor fan type biological safety cabinet according to claim 1, the limit switch (501) that it is characterized in that described control section (5) connects the spacing alarm indicator lamp (504) on the control panel (507), two pressure difference switches (502) are by gas conduit and the inner UNICOM of air supply plenum chamber (404), limit switch (501) is connected buzzer siren (503) respectively with pressure difference switch (502), buzzer siren (503) connects the setting mute button (506) on the control panel (507), go up the socket that is provided with at control panel (507), uviol lamp, illuminating lamp, blower fan and timer (510) action button connects supply socket (509) respectively, uviol lamp (411), illuminating lamp (413) and the built-in pressure regulator of cabinet (508), pressure regulator (508) connects outer rotor blower fan (407), uviol lamp (411) and illuminating lamp (413) interlocking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100795776A CN100475339C (en) | 2007-03-01 | 2007-03-01 | Outer rotor fan type biological safety cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100795776A CN100475339C (en) | 2007-03-01 | 2007-03-01 | Outer rotor fan type biological safety cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101053850A true CN101053850A (en) | 2007-10-17 |
| CN100475339C CN100475339C (en) | 2009-04-08 |
Family
ID=38793999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100795776A Expired - Fee Related CN100475339C (en) | 2007-03-01 | 2007-03-01 | Outer rotor fan type biological safety cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100475339C (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103822321A (en) * | 2014-02-24 | 2014-05-28 | 中国人民解放军军事医学科学院卫生装备研究所 | Air supply purifying system of biological safety inspection vehicle |
| CN103968463A (en) * | 2014-05-05 | 2014-08-06 | 苏州市金燕净化设备工程有限公司 | Assist type laminar flow cart |
| CN104677077A (en) * | 2013-11-29 | 2015-06-03 | 井关农机株式会社 | Dyer for crops |
| CN104930633A (en) * | 2015-06-23 | 2015-09-23 | 苏州达善净化科技有限公司 | Inner-negative-pressure air supply method and cleaning device with method |
| CN106178715A (en) * | 2016-08-25 | 2016-12-07 | 无锡市台源机械科技有限公司 | A kind of Intelligent purifying blowing unit |
| CN107126982A (en) * | 2017-06-26 | 2017-09-05 | 太仓斯普宁精密机械有限公司 | One kind cleans easily Nagative pressure bio-safty cabinet |
| CN108534398A (en) * | 2018-06-11 | 2018-09-14 | 奥克斯空调股份有限公司 | A kind of throttling set and air conditioner |
| CN111804349A (en) * | 2020-07-07 | 2020-10-23 | 淄博豪迈实验室装备有限公司 | Intelligent gas purification type reagent cabinet |
| CN113786874A (en) * | 2020-04-16 | 2021-12-14 | 张晓丽 | Working table |
-
2007
- 2007-03-01 CN CNB2007100795776A patent/CN100475339C/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104677077A (en) * | 2013-11-29 | 2015-06-03 | 井关农机株式会社 | Dyer for crops |
| CN104677077B (en) * | 2013-11-29 | 2018-12-14 | 井关农机株式会社 | Crops drying machine |
| CN103822321A (en) * | 2014-02-24 | 2014-05-28 | 中国人民解放军军事医学科学院卫生装备研究所 | Air supply purifying system of biological safety inspection vehicle |
| CN103822321B (en) * | 2014-02-24 | 2016-06-08 | 中国人民解放军军事医学科学院卫生装备研究所 | The air-supply cleaning system of bio-safety inspection car |
| CN103968463A (en) * | 2014-05-05 | 2014-08-06 | 苏州市金燕净化设备工程有限公司 | Assist type laminar flow cart |
| CN104930633A (en) * | 2015-06-23 | 2015-09-23 | 苏州达善净化科技有限公司 | Inner-negative-pressure air supply method and cleaning device with method |
| CN106178715A (en) * | 2016-08-25 | 2016-12-07 | 无锡市台源机械科技有限公司 | A kind of Intelligent purifying blowing unit |
| CN107126982A (en) * | 2017-06-26 | 2017-09-05 | 太仓斯普宁精密机械有限公司 | One kind cleans easily Nagative pressure bio-safty cabinet |
| CN108534398A (en) * | 2018-06-11 | 2018-09-14 | 奥克斯空调股份有限公司 | A kind of throttling set and air conditioner |
| CN113786874A (en) * | 2020-04-16 | 2021-12-14 | 张晓丽 | Working table |
| CN111804349A (en) * | 2020-07-07 | 2020-10-23 | 淄博豪迈实验室装备有限公司 | Intelligent gas purification type reagent cabinet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100475339C (en) | 2009-04-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101053850A (en) | Outer rotor fan type biological safety cabinet | |
| CN201023049Y (en) | Outer rotor fan type biological safety cabinet | |
| CN212904743U (en) | Atmospheric pollution monitoring alarm device | |
| CN108050606A (en) | It is a kind of to purify the wide air purifier of scope | |
| CN204629829U (en) | A kind of indoor air cleaner with oxygen module | |
| CN220110734U (en) | Molecular sieve desorption exhaust treatment equipment | |
| CN219333560U (en) | Waste gas purifying device | |
| CN208695058U (en) | A kind of combined type superclean bench convenient to use | |
| CN215941930U (en) | Welding set is used in mechanical support production | |
| CN205323445U (en) | Molecular sieve adsorbs purifier | |
| CN212654186U (en) | Engineering truck cab air purification device | |
| CN200952674Y (en) | Suspension lamp set with air filtering function | |
| CN214289917U (en) | Special laboratory ventilation equipment of air exit angularly adjustable | |
| CN219038978U (en) | Ambient air detection device | |
| CN211290356U (en) | Indoor energy-saving air purification device | |
| CN102580456A (en) | Activated carbon fiber waste gas treatment device | |
| CN219252667U (en) | Laboratory lower return air waste gas purification experiment operation panel | |
| CN211374696U (en) | Exhaust emission detection device | |
| CN212575882U (en) | Welding fume purifier | |
| CN219764891U (en) | Atmospheric pollution treatment purifying tower | |
| CN216881791U (en) | Automatic horizontal milling and boring machine | |
| CN218845348U (en) | Mathematics laboratory is with low noise ventilation pipe structure | |
| CN220278743U (en) | Auto parts weldment work platform with gas collection | |
| CN110142462A (en) | A kind of efficient cutting for sheet fabrication | |
| CN218983518U (en) | Numerical control machining equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090408 Termination date: 20100301 |