CN201823539U - Air exhaust control device for biosafety cabinet - Google Patents
Air exhaust control device for biosafety cabinet Download PDFInfo
- Publication number
- CN201823539U CN201823539U CN2010205328791U CN201020532879U CN201823539U CN 201823539 U CN201823539 U CN 201823539U CN 2010205328791 U CN2010205328791 U CN 2010205328791U CN 201020532879 U CN201020532879 U CN 201020532879U CN 201823539 U CN201823539 U CN 201823539U
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- China
- Prior art keywords
- detecting unit
- control device
- biosafety cabinet
- state detecting
- biohazard safety
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- Expired - Fee Related
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Abstract
The utility model relates to a biosafety cabinet, in particular to an air exhaust control device for the biosafety cabinet. The air exhaust control device for the biosafety cabinet comprises an operating state detecting unit, an off-state detecting unit and a door opening state detecting unit for the biosafety cabinet, wherein the detection signal output ends of the operating state detecting unit, the off-state detecting unit and the door opening state detecting unit are connected with the detection signal input end of a control unit, and the control signal end of the control unit is connected with an electric air valve and a fan. The air exhaust control device for the biosafety cabinet mainly solves the technical defect that the existing air exhaust control device for the biosafety cabinet can only control the biosafety cabinet according to the working state and the non-working state of the system, and the air exhaust control device for the biosafety cabinet is highly intellectualized, energy-saving, environment-friendly and capable of reducing the running cost of equipment.
Description
Technical field
The utility model relates to Biohazard Safety Equipment, particularly a kind of air draft control device of Biohazard Safety Equipment.
Background technology
Biohazard Safety Equipment is when having infective experiment material for operation primary culture, bacterium strain and diagnostic sample etc.; be used for protecting operator, laboratory environment and experiment material, make it avoid being exposed to that issuable infectious aerosol and spatters design in the aforesaid operations process.Wherein, the air draft of Biohazard Safety Equipment control is for keeping the good experimental situation of safety to have crucial effects.
As: Chinese invention patent prospectus CN101125304A discloses a kind of outer rotor fan type fully ventilating biology safety cabinet that is used for the Bioexperiment operation.It comprises Over-The-Counter body portion, purification workspace part, operating desk part, holder part and electrical control part, its Over-The-Counter body portion is installed on the holder part, Over-The-Counter body portion internal upper part is forward to be to purify the workspace part, the bottom is the operating desk part, electrical control part is positioned at the Over-The-Counter body portion and purifies the workspace partial interior, is provided with the negative pressure packet portion after described Over-The-Counter body portion top is leaned on; The sealing of double-sided compression formula is all adopted in sealing of its air-supply high efficiency particulate air filter and exhaust-air filter, and middle exposed part is in a negative pressure region and the zero-pressure zone, the clean working region ne-leakage of guaranteeing Biohazard Safety Equipment pollute and contaminated air not by outside the machine of draining into; Adopt filter to compress buckle device, front and back seal cover board, high efficiency particulate air filter jack-up formula structure, make structural design both take into account the complete machine sealing, operate steadily, make again change give, easy, the safety of air draft high efficiency particulate air filter.
Yet, though above-mentioned Biohazard Safety Equipment of the prior art has air-exhausting function, but in being to use process, it can only be according to the duty of system and the judgement control of this two states of off working state, and under situations such as the temporary transient open and close cabinet of staff door, all can not realize judging and control, cause Biohazard Safety Equipment air draft work incessantly, cause waste of power resources, also be unfavorable for energy-conserving and environment-protective.
The utility model content
The purpose of this utility model is to provide a kind of air draft control device of Biohazard Safety Equipment, mainly solving existing Biohazard Safety Equipment air draft control device can only be according to the technological deficiency of the judgement control of the duty of system and this two states of off working state, it has high degree of intelligenceization, not only energy-conserving and environment-protective but also can reduce equipment operating cost.
For achieving the above object, the utility model is to realize like this.
A kind of air draft control device of Biohazard Safety Equipment, it is characterized in that: it comprise Biohazard Safety Equipment the mode of operation detecting unit, leave state detection unit and door opening state detecting unit, described mode of operation detecting unit, the detection signal output that leaves state detection unit and door opening state detecting unit are connected to the detection signal input of control module, and the control signal end of described control module connects Electric air valve and blower fan respectively.
The air draft control device of described Biohazard Safety Equipment is characterized in that: the control signal end of described control module connects Electric air valve by an air-valve actuator.
The air draft control device of described Biohazard Safety Equipment is characterized in that: the control signal end of described control module is connected blower fan by the pressure reduction implementation controller with frequency converter.
The air draft control device of described Biohazard Safety Equipment is characterized in that: described door opening state detecting unit is open the door height detection unit or open angle detecting unit.
By above-mentioned utility model structure, the utility model has the advantages that: by the mode of operation of control module according to system, leave state, the difference that reaches door opening state is assigned different control instructions respectively respectively to Electric air valve and blower fan, and then realizes ternary control.Compared with prior art, realize the intellectuality on the higher degree, not only energy-conserving and environment-protective but also can reduce equipment operating cost.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
See also Fig. 1, the utility model discloses a kind of air draft control device of Biohazard Safety Equipment.As shown in the figure: it comprise Biohazard Safety Equipment mode of operation detecting unit 11, leave state detection unit 12 and door opening state detecting unit 13, described mode of operation detecting unit 11, the detection signal output that leaves state detection unit 12 and door opening state detecting unit 13 are connected to the detection signal input of control module 2, and the control signal end of described control module 2 connects Electric air valve 3 and blower fan 4 respectively.The control signal end of described control module 2 connects Electric air valve 3 by an air-valve actuator 31.The control signal end of described control module 2 is connected blower fan 4 by pressure reduction implementation controller 41 with frequency converter 42.
During use, control module 2 is used to detect the duty of described Biohazard Safety Equipment, and assigns control instruction according to detected duty; Control module 2 is mainly analyzed the working condition of Biohazard Safety Equipment according to the mode of operation detecting units 11 of Biohazard Safety Equipment, the detection signal that leaves state detection unit 12 and door opening state detecting unit 13, and controls the operation of Electric air valve 3 and blower fan 4 according to this.
Door opening state detecting unit 13 of the present utility model can be open the door height detection unit or open angle detecting unit according to the mode of the opening the door different choice of Biohazard Safety Equipment.
Pressure reduction implementation controller 41 of the present utility model is connected with a frequency converter 42, be used to receive the power output of adjusting described frequency converter 42 after the control instruction that described control module 2 assigns, strengthen or reduce the air quantity of air draft, and then the air quantity of guaranteeing air draft meets the systematic parameter that institute requires or sets in advance in the duty that described control module 2 detects.
Claims (4)
1. the air draft control device of a Biohazard Safety Equipment, it is characterized in that: it comprise Biohazard Safety Equipment mode of operation detecting unit (11), leave state detection unit (12) and door opening state detecting unit (13), described mode of operation detecting unit (11), the detection signal output that leaves state detection unit (12) and door opening state detecting unit (13) are connected to the detection signal input of control module (2), and the control signal end of described control module (2) connects Electric air valve (3) and blower fan (4) respectively.
2. the air draft control device of Biohazard Safety Equipment according to claim 1 is characterized in that: the control signal end of described control module (2) connects Electric air valve (3) by an air-valve actuator (31).
3. the air draft control device of Biohazard Safety Equipment according to claim 1 is characterized in that: the control signal end of described control module (2) is connected blower fan (4) by pressure reduction implementation controller (41) with frequency converter (42).
4. according to the air draft control device of claim 1 or 2 or 3 described Biohazard Safety Equipments, it is characterized in that: described door opening state detecting unit (13) is open the door height detection unit or open angle detecting unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205328791U CN201823539U (en) | 2010-09-17 | 2010-09-17 | Air exhaust control device for biosafety cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205328791U CN201823539U (en) | 2010-09-17 | 2010-09-17 | Air exhaust control device for biosafety cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201823539U true CN201823539U (en) | 2011-05-11 |
Family
ID=43962100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205328791U Expired - Fee Related CN201823539U (en) | 2010-09-17 | 2010-09-17 | Air exhaust control device for biosafety cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201823539U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102615079A (en) * | 2012-03-15 | 2012-08-01 | 昆山大百科实验室设备工程有限公司 | Ventilation hood control system |
-
2010
- 2010-09-17 CN CN2010205328791U patent/CN201823539U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102615079A (en) * | 2012-03-15 | 2012-08-01 | 昆山大百科实验室设备工程有限公司 | Ventilation hood control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI TEFU LABORATORY EQUIPMENT CO., LTD. |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20110901 Address after: 201612 Shanghai City, Songjiang Caohejing Songjiang District hi tech park Xinzhuan Highway No. 518, building 2, Room 202 Co-patentee after: Shanghai TOF Laboratory Equipment Co., Ltd. Patentee after: Shanghai Feiyu Purification Engineering Co., Ltd. Address before: 201612 Shanghai City, Songjiang Caohejing Songjiang District hi tech park Xinzhuan Highway No. 518, building 2, Room 202 Patentee before: Shanghai Feiyu Purification Engineering Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110511 Termination date: 20180917 |