CN104971930A - Unpowered air supplement system - Google Patents
Unpowered air supplement system Download PDFInfo
- Publication number
- CN104971930A CN104971930A CN201510402208.0A CN201510402208A CN104971930A CN 104971930 A CN104971930 A CN 104971930A CN 201510402208 A CN201510402208 A CN 201510402208A CN 104971930 A CN104971930 A CN 104971930A
- Authority
- CN
- China
- Prior art keywords
- air
- vent cabinet
- makeup system
- unpowered
- exhaust duct
- 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.)
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Classifications
-
- 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
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- Respiratory Apparatuses And Protective Means (AREA)
- Ventilation (AREA)
Abstract
The invention provides an unpowered air supplement system. The unpowered air supplement system is used for laboratories and comprises an air supplement pipe, a room exhaust pipe, an air supplement valve, a room exhaust valve and an exhaust fan, wherein the air supplement pipe and the room exhaust pipe are arranged inside a laboratory and extend out of the laboratory; the air supplement valve is arranged inside the air supplement pipe; the room exhaust valve and the exhaust fan are sequentially arranged inside the room exhaust pipe. The unpowered air supplement system solves the technical problems that an air supplement system in the prior art is high in manufacturing cost and failure rate.
Description
Technical field
The present invention relates to laboratory equipment field, be specifically related to a kind of unpowered air-makeup system.
Background technology
In modern laboratory, all exhaust system must be installed, to ensure room micro-vacuum state, prevent pernicious gas from leaking, injury staff.Simultaneously because experimental laboratory air exhausting amount is larger, indoor also must be designed with air-makeup system, mend air quantity and be generally about 70% of exhaust air rate, excessive to prevent room negative pressure, waste gas forms eddy current cannot outside discharge chamber, the situation of harm staff health, provides a comfortable safe environment to operating personnel.
Prior art mostly uses the mechanical makeup air system mutually linked by multiple blower fan, multiple sensor to carry out satisfied indoor benefit wind demand.But the cost of this type of air-makeup system is higher, and due to its complex structure, control cumbersome, causing trouble rate is high, easily causes room malleation, threatens the health of staff.
Summary of the invention
For solving the technical problem that air-makeup system cost is high, fault rate is high of prior art, the invention provides that a kind of cost is low, the unpowered air-makeup system of safety and stability.
A kind of unpowered air-makeup system, described unpowered air-makeup system is used for laboratory, comprise secondary air channel road, room exhaust duct, mend air-valve, room exhaust valve and exhaust blower, described secondary air channel road and described room exhaust duct are all located in described laboratory, and extend to outside described laboratory, described benefit air-valve is located in described secondary air channel road, and described room exhaust valve and described exhaust blower are located in described room exhaust duct successively.
In a kind of preferred embodiment of unpowered air-makeup system provided by the invention, described unpowered air-makeup system also comprises vent cabinet, vent cabinet exhaust duct and vent cabinet exhaust valve, described vent cabinet is located at described laboratory, described vent cabinet exhaust duct one end is connected with described vent cabinet, the other end is connected with described room exhaust duct, and described vent cabinet exhaust valve is located at described vent cabinet exhaust duct near one end of described vent cabinet.
In a kind of preferred embodiment of unpowered air-makeup system provided by the invention, vent cabinet exhaust valve is electrically connected with described vent cabinet.
In a kind of preferred embodiment of unpowered air-makeup system provided by the invention, described unpowered air-makeup system also comprises master controller, described master controller is located in described laboratory, and is electrically connected with described benefit air-valve, described room exhaust valve, described vent cabinet exhaust valve and described exhaust blower.
In a kind of preferred embodiment of unpowered air-makeup system provided by the invention, described unpowered air-makeup system also comprises baroceptor, and described baroceptor is located in described laboratory, and is electrically connected with described master controller.
In a kind of preferred embodiment of unpowered air-makeup system provided by the invention, described unpowered air-makeup system also comprises fire resisting damper, and described fire resisting damper is located in described room exhaust duct.
In a kind of preferred embodiment of unpowered air-makeup system provided by the invention, described exhaust blower is frequency conversion exhaust blower.
In a kind of preferred embodiment of unpowered air-makeup system provided by the invention, described secondary air channel road is polyvinyl chloride secondary air channel road, described room exhaust duct is polyvinyl chloride room exhaust duct, and described vent cabinet exhaust duct is polyvinyl chloride vent cabinet exhaust duct.
Compared to prior art, described unpowered air-makeup system 1 provided by the invention has following beneficial effect:
One, described unpowered air-makeup system controls blast by the folding controlling each valve, and structure is simple, failure rate is low, avoids and occurs room malleation, the problem that waste gas can not be discharged in time, ensure that the health of staff.
Two, the blower fan, the sensor part that use of described unpowered air-makeup system is less, and cost is lower.
Three, described unpowered air-makeup system controls by described master controller is unified, and make the micro-vacuum state that described laboratory keeps stable, all kinds of waste gas all can be discharged in time, further ensures the health of staff.
Four, described unpowered air-makeup system is provided with described fire resisting damper, and each duct fire is fire-retardant, substantially increases the security in described laboratory.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, wherein:
Fig. 1 is the structural representation of unpowered air-makeup system provided by the invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.
Referring to Fig. 1, is the structural representation of unpowered air-makeup system provided by the invention.
Described unpowered air-makeup system 1 comprises secondary air channel road 11, vent cabinet 12, vent cabinet exhaust duct 13, room exhaust duct 14, exhaust blower 15, master controller 16 and fire resisting damper 17.
Described unpowered air-makeup system 1 is for laboratory, and described secondary air channel road 11 and room exhaust duct 14 are all located in described laboratory, and extend to outside described laboratory.Described vent cabinet 12 is located in described laboratory, and described vent cabinet exhaust duct 13 one end is connected with described vent cabinet 12, and the other end is connected with described room exhaust duct 14.Described room exhaust duct 14 one end away from described laboratory is located at by described exhaust blower 15, and described master controller 16 is located in described laboratory, and described exhaust blower 15 is electrically connected with described master controller 16, and described fire resisting damper 17 is located in described room exhaust duct 14.
Described unpowered air-makeup system 1 also comprises mends air-valve 111, vent cabinet exhaust valve 131 and room exhaust valve 141 and baroceptor 161.
The one end near described laboratory in described secondary air channel road 11 is located at by described benefit air-valve 111, described vent cabinet exhaust valve 131 is located near one end of described vent cabinet 12 in described vent cabinet exhaust duct 13, and described room exhaust valve 141 is located at the one end near described laboratory in described room exhaust duct 14.Described master controller 16 surface is located at by described baroceptor 161.
Described benefit air-valve 111, described vent cabinet exhaust valve 131, described room exhaust valve 141 and described baroceptor 161 are all electrically connected with described master controller 16, and described vent cabinet exhaust valve 131 is also electrically connected with described vent cabinet 12.
During concrete enforcement, described master controller 16 controls described exhaust blower 15 and starts, under the effect of described exhaust blower 15, fresh air enters described laboratory from described secondary air channel road 11, and the waste gas that described laboratory produces discharges described laboratory from described vent cabinet exhaust duct 13 and described room exhaust duct 14.
Described vent cabinet exhaust valve 131 is electrically connected with described vent cabinet 12, controls by described vent cabinet 12.The folding degree of described vent cabinet 12 vent cabinet exhaust valve 131 according to himself status adjustment, to ensure the steady air current in described vent cabinet 12, drains pernicious gas in time, ensures the health of staff.
Described benefit air-valve 111, described vent cabinet exhaust valve 131, described room exhaust valve 141 and described baroceptor 161 are all electrically connected with described master controller 16, control by described master controller 16.The data that described master controller 16 gathers according to the folding degree of described vent cabinet exhaust valve 131 and described baroceptor 161, the folding degree of air-valve 111 and described room exhaust valve 141 is mended described in adjusted in concert, with ensure that the benefit air quantity in described laboratory is exhaust air rate 70%, make the micro-vacuum state that described laboratory keeps stable.Under micro-vacuum state, all kinds of waste gas produced in described laboratory all can be discharged in time, can not remain in described laboratory, ensure that the health of staff.
Preferably, described exhaust blower 15 is frequency conversion exhaust blower.The rotating speed of frequency conversion exhaust blower is adjustable, when described experiment indoor air flow is comparatively disorderly, when regulating described benefit air-valve 111 and described room exhaust valve 141 to be not enough to the tiny structure atmospheric pressure state making described laboratory keep stable, the rotating speed of described exhaust blower 15 can be regulated further, ensure the stable of described laboratory atmosphere state.
Preferably, described secondary air channel road 11 is polyvinyl chloride secondary air channel road, and described room exhaust duct 14 is polyvinyl chloride room exhaust duct, and described vent cabinet exhaust duct 13 is polyvinyl chloride vent cabinet exhaust duct.Polyvinyl chloride material fire protection flame retarding, improves the security in described laboratory.
Compared to prior art, described unpowered air-makeup system 1 provided by the invention has following beneficial effect:
One, described unpowered air-makeup system 1 controls blast by the folding controlling each valve, and structure is simple, failure rate is low, avoids and occurs room malleation, the problem that waste gas can not be discharged in time, ensure that the health of staff.
Two, the blower fan, the sensor part that use of described unpowered air-makeup system 1 is less, and cost is lower.
Three, described unpowered air-makeup system 1 controls by described master controller 16 is unified, and make the micro-vacuum state that described laboratory keeps stable, all kinds of waste gas all can be discharged in time, further ensures the health of staff.
Four, described unpowered air-makeup system 1 is provided with described fire resisting damper 17, and each duct fire is fire-retardant, substantially increases the security in described laboratory.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included within scope of patent protection of the present invention.
Claims (8)
1. a unpowered air-makeup system, described unpowered air-makeup system is used for laboratory, it is characterized in that: comprise secondary air channel road, room exhaust duct, mend air-valve, room exhaust valve and exhaust blower, described secondary air channel road and described room exhaust duct are all located in described laboratory, and extend to outside described laboratory, described benefit air-valve is located in described secondary air channel road, and described room exhaust valve and described exhaust blower are located in described room exhaust duct successively.
2. unpowered air-makeup system according to claim 1, it is characterized in that: described unpowered air-makeup system also comprises vent cabinet, vent cabinet exhaust duct and vent cabinet exhaust valve, described vent cabinet is located at described laboratory, described vent cabinet exhaust duct one end is connected with described vent cabinet, the other end is connected with described room exhaust duct, and described vent cabinet exhaust valve is located in described vent cabinet exhaust duct.
3. unpowered air-makeup system according to claim 2, is characterized in that: described vent cabinet exhaust valve is electrically connected with described vent cabinet.
4. unpowered air-makeup system according to claim 2, it is characterized in that: described unpowered air-makeup system also comprises master controller, described master controller is located in described laboratory, and is electrically connected with described benefit air-valve, described room exhaust valve, described vent cabinet exhaust valve and described exhaust blower.
5. unpowered air-makeup system according to claim 4, is characterized in that: described unpowered air-makeup system also comprises baroceptor, and described baroceptor is located in described laboratory, and is electrically connected with described master controller.
6. unpowered air-makeup system according to claim 1, is characterized in that: described unpowered air-makeup system also comprises fire resisting damper, and described fire resisting damper is located in described room exhaust duct.
7. unpowered air-makeup system according to claim 1, is characterized in that: described exhaust blower is frequency conversion exhaust blower.
8. unpowered air-makeup system according to claim 2, it is characterized in that: described secondary air channel road is polyvinyl chloride secondary air channel road, described room exhaust duct is polyvinyl chloride room exhaust duct, and described vent cabinet exhaust duct is polyvinyl chloride vent cabinet exhaust duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510402208.0A CN104971930A (en) | 2015-07-10 | 2015-07-10 | Unpowered air supplement system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510402208.0A CN104971930A (en) | 2015-07-10 | 2015-07-10 | Unpowered air supplement system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104971930A true CN104971930A (en) | 2015-10-14 |
Family
ID=54269211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510402208.0A Pending CN104971930A (en) | 2015-07-10 | 2015-07-10 | Unpowered air supplement system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104971930A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109622550A (en) * | 2018-12-12 | 2019-04-16 | 苏州博思普工程技术有限公司 | A kind of room pressure control method |
| CN109631217A (en) * | 2018-10-22 | 2019-04-16 | 皇家动力(武汉)有限公司 | A kind of laboratory ventilation system |
-
2015
- 2015-07-10 CN CN201510402208.0A patent/CN104971930A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109631217A (en) * | 2018-10-22 | 2019-04-16 | 皇家动力(武汉)有限公司 | A kind of laboratory ventilation system |
| CN109622550A (en) * | 2018-12-12 | 2019-04-16 | 苏州博思普工程技术有限公司 | A kind of room pressure control method |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151014 |
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| RJ01 | Rejection of invention patent application after publication |