CN111482205A - Multifunctional biological safety cabinet - Google Patents
Multifunctional biological safety cabinet Download PDFInfo
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- CN111482205A CN111482205A CN201910087197.XA CN201910087197A CN111482205A CN 111482205 A CN111482205 A CN 111482205A CN 201910087197 A CN201910087197 A CN 201910087197A CN 111482205 A CN111482205 A CN 111482205A
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- 238000009423 ventilation Methods 0.000 claims abstract description 13
- 239000011521 glass Substances 0.000 claims description 11
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000000443 aerosol Substances 0.000 description 6
- 230000006872 improvement Effects 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000002458 infectious effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L1/00—Enclosures; Chambers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0002—Casings; Housings; Frame constructions
- B01D46/0012—In-line filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L1/00—Enclosures; Chambers
- B01L1/04—Dust-free rooms or enclosures
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- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Clinical Laboratory Science (AREA)
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Abstract
The invention discloses a multifunctional biosafety cabinet, which comprises a movable base and a cabinet body, wherein the cabinet body is arranged on the movable base and is divided into an equipment chamber, an operation chamber and a negative pressure channel, the equipment chamber is positioned above the operation chamber, the bottom of the operation chamber is provided with an air outlet flow equalizing plate, the air outlet flow equalizing plate is uniformly provided with a plurality of ventilation openings, the operation chamber is communicated with the equipment chamber through the ventilation openings, the top of the equipment chamber is provided with an air inlet, the equipment chamber is internally provided with a fan, an air inlet pipeline of the fan penetrates through the bottom of the equipment chamber to enter the operation chamber, the negative pressure channel is arranged in the air outlet flow equalizing plate at the bottom of the equipment chamber, a gap formed between the rear part of the operation chamber and the cabinet body and is communicated with an air outlet positioned at the top of the cabinet body, and the rear part of. This biological safety cabinet has the function of airing exhaust entirely and half simultaneously concurrently, and the air current of the cabinet body is more even, prevents comprehensively that the interior polluted gas side of biological safety cabinet from escaping.
Description
Technical Field
The invention relates to the technical field of biological instruments, in particular to a multifunctional biological safety cabinet.
Background
The biological safety cabinet is a special protection device for a biological laboratory, and is used for protecting an operator, an experimental environment and experimental materials from being exposed to infectious aerosol and splashed substances possibly generated in the experimental operation process. When an operator performs experimental operation in the safety cabinet through the front window operation port, the biological safety cabinet sucks gas entering the cabinet body inwards through a negative pressure principle, and the gas is internally circulated or discharged to the outside of the cabinet body after being filtered so as to protect the safety of the operator; meanwhile, the air filtered by the high-efficiency filter forms descending airflow in the cabinet body to protect experimental articles in the cabinet body, and the airflow is internally circulated or directly discharged to the outside of the cabinet body after being filtered by the high-efficiency filter.
However, in the use process of the biosafety cabinet in the prior art, an operator needs to frequently open a door for operation, the escape of the aerosol in the cabinet body cannot be completely avoided only by the negative pressure principle, and the escape of a small amount of the aerosol is difficult to be found by the operator and take corresponding protective measures; meanwhile, in the existing biological safety cabinet, one ventilation opening or two ventilation openings are usually arranged at the bottom of the cabinet body, so that the wind speed in the cabinet body is not uniform enough, and the turbulence phenomenon is caused; the existing biological safety cabinet filters and circulates air in equipment through the matching of a fan and an air duct, and is divided into a half-exhaust type and a full-exhaust type, 70% of gas in the half-exhaust type safety cabinet is recycled into the cabinet body through a filter, 30% of gas is filtered and exhausted through an exhaust port, the full-exhaust type safety cabinet has no internal circulating airflow, all the gas is exhausted, and the gas is selectively used according to the chemistry and the safety of biological experiment operation; in addition, current biochemical safety cabinet is in the use, because the opening of cabinet door is closed, filter, fan etc. easily produce the vibration, has produced great noise, influences the experimental environment.
Disclosure of Invention
In order to solve the problems in the background art, the invention provides a multifunctional biosafety cabinet, which has the functions of full air exhaust and half air exhaust, can accurately control the air quantity, has more uniform air flow of the cabinet body, comprehensively prevents the polluted air in the biosafety cabinet from escaping laterally, and can reduce the noise generated by the operation of equipment.
In order to achieve the purpose, the invention adopts the following technical scheme:
a multifunctional biosafety cabinet comprises a movable base and a cabinet body, wherein the cabinet body is arranged on the movable base and is divided into an equipment room, an operation room and a negative pressure channel, the equipment room is positioned above the operation room, an air outlet flow equalizing plate is arranged at the bottom of the operation room, a plurality of ventilation openings are uniformly arranged on the air outlet flow equalizing plate, the operation room is communicated with the equipment room through the ventilation openings, the front end of the operation room is provided with an opening, the opening is provided with a glass door capable of moving up and down, the top of the equipment room is provided with an air inlet, a first filter is arranged at the air inlet, a fan is arranged in the equipment room, an air inlet pipeline of the fan penetrates through the bottom of the equipment room and enters the operation room, a second filter is arranged in the air inlet pipeline, one end of the negative pressure channel is arranged in a gap formed between the air outlet flow equalizing plate at the bottom of, the other end of the negative pressure channel is arranged in a gap formed between the rear part of the operation chamber and the rear part of the equipment chamber and the rear part of the cabinet body and is communicated with an air outlet positioned at the top of the cabinet body, an outer discharge pipeline is arranged at the air outlet, a third filter and an outer discharge fan are arranged in the outer discharge pipeline, and an air volume adjusting device is arranged at the rear part of the equipment chamber to control the air volume entering the equipment chamber from the negative pressure channel for circulation.
The improved air conditioner is characterized in that a control circuit board is arranged in the equipment room, a control panel is arranged on the outer side of the equipment room, a display screen and control keys are arranged on the control panel, and the fan and the outer exhaust fan are electrically connected with the control circuit board. The display screen can show the safety parameter that detects to convenient the interior fan operating power of control cabinet body regulates and control air velocity etc..
The improvement lies in that, air regulation device includes water conservancy diversion frame and a plurality of vertical air regulation board, air regulation board passes through the equidistant setting of rotation axis inside the water conservancy diversion frame, air regulation board is in rotation angle is 0-90 degrees under the drive of rotation axis, enters into the indoor circulating air volume of equipment with control through adjusting air regulation board rotation angle, be equipped with on the rotation axis and be used for the drive rotation axis pivoted controller is located be equipped with first air velocity transducer on the air regulation board of water conservancy diversion frame central point department of putting, be equipped with second air velocity transducer on the air-out flow equalizer, the controller first air velocity transducer with second air velocity transducer all with the control circuit board electricity is connected. When the circulating air is not needed, the rotation angle of the air quantity adjusting plate is set to be 0 degree through the controller, so that the negative pressure channel and the equipment room can be completely isolated, air enters the equipment room and the operation room through the air inlet and is directly discharged through the air outlet through the negative pressure channel, and the full-exhaust type air conditioner is adopted; when circulating air needs to be used, the air quantity adjusting plate is controlled to rotate to a certain angle, the negative pressure channel and the equipment room are opened, air in the negative pressure channel enters the equipment room and then enters the operation room to circulate, and the air quantity adjusting plate is in a half-exhaust mode.
The improvement lies in that the equipment room is close to and is provided with the baffle in anterior department, the baffle with form the air supply passageway between the equipment room front portion, the fan is located the baffle with in the inlet air channel that forms between the equipment room rear portion, air supply passageway top is equipped with the supply-air outlet, air supply passageway bottom is equipped with the air supply pipeline, the supply-air outlet with be equipped with the forced draught blower between the air supply pipeline, the air supply pipeline runs through equipment room bottom is linked together with the jet-propelled pipe that is located the control chamber, the control chamber top is close to be in glass door department equidistant is provided with one row the jet-propelled pipe, be equipped with the fourth filter in the air supply pipeline, the forced draught blower with the control circuit board electricity is connected. Through setting up one row of gas-blast pipes near glass door department in the control chamber top, its vent with the air-out on the board of flow equalizing bottom the control chamber forms the air curtain, can effectually prevent that the aerosol in the cabinet body from escaping to set up the forced draught blower alone and increase the gaseous air velocity of gas-blast pipe blowout.
The improved structure is characterized in that a plurality of grooves are oppositely formed at the joint of the bottom of the cabinet body and the base, and spring shock absorbers are arranged in the grooves. The vibration that produces when opening and closing glass door, filter, fan etc. moves cushions, guarantees the steady of the cabinet body, makes the data of experiment collection more accurate, noise when reducing equipment use, the life of extension equipment.
The further improvement is that the operating chamber is made of stainless steel.
In a further improvement, the front of the cabinet is inclined outwardly by 10 degrees. Due to the design, the visual angle of an operator is larger, and the operation is convenient.
The invention has the beneficial effects that: the biological safety cabinet has the advantages of simple and reasonable structure, strong practicability and safer use; after the fan is started, air is filtered by the first filter, enters the operating room through the air inlet pipeline, enters the negative pressure channel through the ventilation opening on the air outlet flow equalizing plate, is directly filtered and discharged through the outer discharge pipeline, and aerosol in the cabinet body is extracted and filtered by using the negative pressure suction principle and then is discharged out of the cabinet body, or part of air is controlled by the air volume adjusting device to enter the equipment room and then enter the operating room for circulation; the air quantity adjusting plate is arranged to enable negative pressure airflow formed in the operating room to be more uniform and stable, the ventilation effect is improved, and two modes of half air exhaust and full air exhaust are simultaneously realized in one device by controlling the rotating angle of the air quantity adjusting plate; the safety parameters of the safety cabinet can be displayed and detected in real time through the control panel, and the running power of a fan and a blower in the cabinet body, the rotation angle of the air volume control plate and the like can be conveniently controlled.
Drawings
FIG. 1 is a perspective view of the biosafety cabinet according to example 1;
FIG. 2 is a schematic view of the internal structure of the biosafety cabinet in the full-discharge mode in embodiment 1;
FIG. 3 is a schematic diagram showing the internal structure of the bio-safety cabinet in the half-discharge mode according to embodiment 1;
FIG. 4 is a structural view of a stroke volume adjusting device in example 1;
FIG. 5 is a sectional view of a stroke volume adjusting device in example 1;
FIG. 6 is a schematic view of the internal structure of the biosafety cabinet in the full-discharge mode in embodiment 2;
wherein the specific reference numerals are as follows: the cabinet body 1, the equipment room 2, the control panel 21, the air inlet 22, the first filter 23, the fan 24, the air inlet pipeline 25, the second filter 26, the air outlet 27, the outer discharge pipeline 28, the third filter 29, the outer discharge fan 210, the air volume adjusting device 211, the guide frame 212, the air volume adjusting plate 213, the rotating shaft 214, the first air speed sensor 215, the baffle plate 216, the air supply channel 217, the air supply outlet 218, the air blower 219, the air supply pipeline 220, the air injection pipe 221, the fourth filter 222, the operation room 3, the glass door 31, the air outlet flow equalizing plate 32, the ventilation opening 33, the negative pressure channel 4, the movable base 5 and the spring damper 6.
Detailed Description
The invention is described in further detail below with reference to specific embodiments and with reference to the following drawings.
Example 1
As shown in fig. 1 to 3, the present embodiment provides a multifunctional biosafety cabinet, including moving base 5 and cabinet body 1, cabinet body 1 sets up on moving base 5, and the front portion of cabinet body 1 leans out 10 degrees, and operating personnel's visual angle is bigger, convenient operation. The cabinet body 1 is divided into an equipment room 2, an operation room 3 and a negative pressure channel 4, the operation room 3 is made of stainless steel, the equipment room 2 is positioned above the operation room 3, the bottom of the operation room 3 is provided with an air outlet flow equalizing plate 32, a plurality of ventilation openings 33 are uniformly arranged on the air outlet flow equalizing plate 32, the operation room 3 is communicated with the equipment room 2 through the ventilation openings 33, the front end of the operation room 3 is provided with an opening, and the opening is provided with a glass door 31 capable of moving up and down; an air inlet 22 is arranged at the top of the equipment room 2, a first filter 23 is arranged at the air inlet 22, a fan 24 is arranged in the equipment room 2, an air inlet pipeline 25 of the fan 24 penetrates through the bottom of the equipment room 2 and enters the operation room 3, a second filter 26 is arranged in the air inlet pipeline 25, one end of a negative pressure channel 4 is arranged in a gap formed between an air outlet flow equalizing plate 32 at the bottom of the equipment room 2 and the bottom of the cabinet body 1, the other end of the negative pressure channel 4 is arranged in a gap formed between the rear portion of the operation room 3 and the rear portion of the equipment room 2 and the rear portion of the cabinet body 1 and is communicated with an air outlet 27 at the top of the cabinet body 1, an outer exhaust pipeline 28 is arranged at the air outlet 27, a third filter 29 and an outer exhaust fan 210 are arranged in the outer exhaust pipeline 28, and an air volume adjusting device 211.
As shown in fig. 4 and 5, the air volume adjusting device 211 includes a guiding frame 212 and a plurality of vertical air volume adjusting plates 213, the air volume adjusting plates 213 are disposed inside the guiding frame 212 at equal intervals via a rotating shaft 214, the rotating angle of the air volume adjusting plates 213 driven by the rotating shaft 214 is 0-90 degrees, the rotating angle of the air volume adjusting plates 213 is adjusted to control the circulating air volume entering the equipment room 2, a controller for driving the rotating shaft 214 to rotate is disposed on the rotating shaft 214, a first air velocity sensor 215 is disposed on the air volume adjusting plate 213 located at the center of the guiding frame 212, and a second air velocity sensor is disposed on the air outlet flow equalizing plate 32. When the circulating air is not needed, the controller adjusts the rotation angle of the air quantity adjusting plate 213 to be 0 degree, so that the negative pressure channel 4 and the equipment room 2 can be completely isolated, air enters the equipment room 2 and the operation room 3 through the air inlet 22 and is directly discharged through the air outlet 27 through the negative pressure channel 4, and the full exhaust type is adopted; when circulating air needs to be used, the air volume adjusting plate 213 is controlled to rotate to a certain angle, the negative pressure channel 4 and the equipment room 2 are opened, air in the negative pressure channel 4 enters the equipment room 2 and then enters the operation room 3 for circulation, and the air volume adjusting plate is of a half-exhaust type.
A control circuit board is arranged in the equipment room 2, a control panel 21 is arranged on the outer side of the equipment room 2, a display screen and control keys are arranged on the control panel 21, and the fan 24, the outer exhaust fan 210, the controller, the first air speed sensor 215 and the second air speed sensor are all electrically connected with the control circuit board. The safety parameter and the running state detected in the safety cabinet can be dynamically displayed in real time, the safety cabinet is clear at a glance, and the running power of the fan in the cabinet body 1 can be conveniently controlled to regulate and control the air speed, the running time, the circulating air volume and the like.
Example 2
The embodiment provides a multifunctional biosafety cabinet, and the embodiment 2 has the same characteristics as the embodiment 1, and the main difference is that: as shown in fig. 6, a baffle plate 216 is disposed near the front of the equipment room 2, an air supply channel 217 is formed between the baffle plate 216 and the front of the equipment room 2, the fan 24 is disposed in an air inlet channel formed between the baffle plate 216 and the rear of the equipment room 2, an air supply outlet 218 is disposed at the top of the air supply channel 217, an air supply pipeline 220 is disposed at the bottom of the air supply channel 217, an air blower 219 is disposed between the air supply outlet 218 and the air supply pipeline 220, the air supply pipeline 220 penetrates through the bottom of the equipment room 2 and is communicated with an air jet pipe 221 disposed in the operation room 3, a row of air jet pipes 221 is disposed at equal intervals near the glass door 31 at the top of the operation room 3, a fourth filter 222 is disposed in the. By arranging a row of air nozzles 221 at the top of the operation chamber 3 close to the glass door 31 and forming an air curtain with the vents 33 on the air-out flow-equalizing plate 32 at the bottom of the operation chamber 3, the aerosol in the cabinet 1 can be effectively prevented from escaping laterally, and the air flow velocity of the air sprayed from the air nozzles 221 is increased by separately arranging the blower 219.
The bottom of the cabinet body 1 and the joint of the base are relatively provided with a plurality of grooves, and spring shock absorbers 6 are arranged in the grooves. The vibration that produces when can opening of glass door 31 and close, filter, fan 24 etc. moves cushions, guarantees the steady of the cabinet body 1, makes the data of experiment collection more accurate, noise when reducing the equipment use, the life of extension equipment.
The present invention has been described in terms of specific examples, which are provided to aid understanding of the invention and are not intended to be limiting. For a person skilled in the art to which the invention pertains, several simple deductions, modifications or substitutions may be made according to the idea of the invention.
Claims (7)
1. A multifunctional biosafety cabinet comprises a movable base and a cabinet body, wherein the cabinet body is arranged on the movable base, and is characterized in that the cabinet body is divided into an equipment room, an operation room and a negative pressure channel, the equipment room is positioned above the operation room, an air outlet flow equalizing plate is arranged at the bottom of the operation room, a plurality of ventilation openings are uniformly arranged on the air outlet flow equalizing plate, the operation room is communicated with the equipment room through the ventilation openings, the front end of the operation room is provided with an opening, the opening is provided with a glass door capable of moving up and down, the top of the equipment room is provided with an air inlet, a first filter is arranged at the air inlet, a fan is arranged in the equipment room, an air inlet pipeline of the fan penetrates through the bottom of the equipment room to enter the operation room, a second filter is arranged in the air inlet pipeline, one end of the negative pressure channel is arranged in a gap formed between the air outlet flow equalizing plate, the other end of the negative pressure channel is arranged in a gap formed between the rear part of the operation chamber and the rear part of the equipment chamber and the rear part of the cabinet body and is communicated with an air outlet positioned at the top of the cabinet body, an outer discharge pipeline is arranged at the air outlet, a third filter and an outer discharge fan are arranged in the outer discharge pipeline, and an air volume adjusting device is arranged at the rear part of the equipment chamber to control the air volume entering the equipment chamber from the negative pressure channel for circulation.
2. The multifunctional biosafety cabinet according to claim 1, wherein a control circuit board is arranged in the equipment room, a control panel is arranged outside the equipment room, a display screen and control keys are arranged on the control panel, and the fan and the outer exhaust fan are both electrically connected with the control circuit board.
3. The multifunctional biosafety cabinet according to claim 2, wherein the air volume adjusting device comprises a flow guide frame and a plurality of vertical air volume adjusting plates, the air volume adjusting plates are arranged inside the flow guide frame at equal intervals through a rotating shaft, the rotating angle of the air volume adjusting plates driven by the rotating shaft is 0-90 degrees, the circulating air volume entering the equipment room is controlled by adjusting the rotating angle of the air volume adjusting plates, a controller for driving the rotating shaft to rotate is arranged on the rotating shaft, a first air velocity sensor is arranged on the air volume adjusting plate located at the center position of the flow guide frame, a second air velocity sensor is arranged on the air outlet flow equalizing plate, and the controller, the first air velocity sensor and the second air velocity sensor are electrically connected with the control circuit board.
4. The multifunctional biosafety cabinet according to claim 2, wherein a baffle is arranged at the position close to the front part of the equipment room, an air supply channel is formed between the baffle and the front part of the equipment room, the fan is positioned in an air inlet channel formed between the baffle and the rear part of the equipment room, an air supply opening is arranged at the top of the air supply channel, an air supply pipeline is arranged at the bottom of the air supply channel, an air feeder is arranged between the air supply opening and the air supply pipeline, the air supply pipeline penetrates through the bottom of the equipment room and is communicated with an air jet pipe positioned in an operation room, a row of air jet pipes are arranged at the position close to the glass door at equal intervals at the top of the operation room, a fourth filter is arranged in the air supply pipeline, and the air feeder is electrically connected with the.
5. The multifunctional biosafety cabinet according to claim 1, wherein a plurality of grooves are formed at the joint of the bottom of the cabinet body and the base, and spring dampers are arranged in the grooves.
6. The multifunctional biosafety cabinet according to claim 1, wherein the operating room is made of stainless steel.
7. The multifunctional biosafety cabinet according to claim 1, wherein the front portion of the cabinet body is inclined outward by 10 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910087197.XA CN111482205A (en) | 2019-01-29 | 2019-01-29 | Multifunctional biological safety cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910087197.XA CN111482205A (en) | 2019-01-29 | 2019-01-29 | Multifunctional biological safety cabinet |
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| CN111482205A true CN111482205A (en) | 2020-08-04 |
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| CN201910087197.XA Pending CN111482205A (en) | 2019-01-29 | 2019-01-29 | Multifunctional biological safety cabinet |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113083380A (en) * | 2021-03-31 | 2021-07-09 | 江苏大橡木集团有限公司 | Laboratory variable air volume adjusting device |
| CN114260031A (en) * | 2020-09-25 | 2022-04-01 | 博奥生物集团有限公司 | Biological safety cabinet |
| CN114453036A (en) * | 2022-01-26 | 2022-05-10 | 广州市华粤行医疗科技有限公司 | Air duct system of workstation, workstation and method |
| CN114643085A (en) * | 2022-05-18 | 2022-06-21 | 苏州安泰空气技术有限公司 | Air supply arrangement for superclean bench |
| CN114832877A (en) * | 2022-06-07 | 2022-08-02 | 华北电力大学（保定） | Full-automatic variable air volume adjusting device for biosafety cabinet |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206911371U (en) * | 2017-06-30 | 2018-01-23 | 浙江苏净净化设备有限公司 | A kind of Biohazard Safety Equipment |
| CN207951476U (en) * | 2018-01-26 | 2018-10-12 | 昆明医科大学第二附属医院 | It is a kind of can intelligent early-warning Biohazard Safety Equipment |
| CN207951475U (en) * | 2018-01-17 | 2018-10-12 | 珠海乐维再生医学科技有限公司 | Biohazard Safety Equipment |
| CN208166987U (en) * | 2018-03-29 | 2018-11-30 | 新昌县大成生物科技有限公司 | A kind of Biohazard Safety Equipment |
-
2019
- 2019-01-29 CN CN201910087197.XA patent/CN111482205A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206911371U (en) * | 2017-06-30 | 2018-01-23 | 浙江苏净净化设备有限公司 | A kind of Biohazard Safety Equipment |
| CN207951475U (en) * | 2018-01-17 | 2018-10-12 | 珠海乐维再生医学科技有限公司 | Biohazard Safety Equipment |
| CN207951476U (en) * | 2018-01-26 | 2018-10-12 | 昆明医科大学第二附属医院 | It is a kind of can intelligent early-warning Biohazard Safety Equipment |
| CN208166987U (en) * | 2018-03-29 | 2018-11-30 | 新昌县大成生物科技有限公司 | A kind of Biohazard Safety Equipment |
Non-Patent Citations (1)
| Title |
|---|
| 山西省电力工业局，丁尔谋主编: "《发电厂空冷技术》" * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114260031A (en) * | 2020-09-25 | 2022-04-01 | 博奥生物集团有限公司 | Biological safety cabinet |
| CN113083380A (en) * | 2021-03-31 | 2021-07-09 | 江苏大橡木集团有限公司 | Laboratory variable air volume adjusting device |
| CN114453036A (en) * | 2022-01-26 | 2022-05-10 | 广州市华粤行医疗科技有限公司 | Air duct system of workstation, workstation and method |
| CN114643085A (en) * | 2022-05-18 | 2022-06-21 | 苏州安泰空气技术有限公司 | Air supply arrangement for superclean bench |
| CN114643085B (en) * | 2022-05-18 | 2022-08-09 | 苏州安泰空气技术有限公司 | Air supply arrangement for superclean bench |
| CN114832877A (en) * | 2022-06-07 | 2022-08-02 | 华北电力大学（保定） | Full-automatic variable air volume adjusting device for biosafety cabinet |
| CN114832877B (en) * | 2022-06-07 | 2023-05-05 | 华北电力大学（保定） | Variable air volume adjusting device for full-automatic biological safety cabinet |
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Application publication date: 20200804 |
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