CN204099248U - Jet flow Induced fan - Google Patents
Jet flow Induced fan Download PDFInfo
- Publication number
- CN204099248U CN204099248U CN201420517031.XU CN201420517031U CN204099248U CN 204099248 U CN204099248 U CN 204099248U CN 201420517031 U CN201420517031 U CN 201420517031U CN 204099248 U CN204099248 U CN 204099248U
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- China
- Prior art keywords
- casing
- ball valve
- spiral case
- ventilation flues
- ventilation
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of jet flow Induced fan of adjustable wind speed, comprise: casing, be arranged on the intake grill of casing side, be arranged on three nozzles of casing opposite side, spiral case is supported in casing by support block, impeller is provided with in described spiral case, the external rotor electric machine be coaxially connected with impeller is provided with in the side of described spiral case, in described casing, some flow distribution plates are provided with three ventilation flues, described one end of three ventilation flues is connected with the exhaust outlet of spiral case, the other end of described three ventilation flues is mutually corresponding with three nozzles successively and coupled logical, side near nozzle in described three ventilation flues is respectively arranged with ball valve, connecting passage is provided with in described ball valve, the lower end of described ball valve is rotated by locating stud and is arranged in casing, the upper end of described ball valve is connected with the motor shaft of stepper motor, described stepper motor to be fixedly installed on casing and to be electrically connected with air monitor.
Description
Technical field
The utility model relates to a kind of blower fan, particularly relates to a kind of jet flow Induced fan.
Background technique
Induced fan working principle is by the directed high velocity air penetrated with the multiple stage Induced fan nozzle of system, suitably layout, fresh air outside induction room or treated air, required region is sent under without the condition of airduct, realize best Room air distribution design, to reach the ventilation effect of high-efficiency and economic.Have that obvious noise is low, volume is little, lightweight, lifting is convenient, safeguard simple feature, be widely used in underground parking, the ventilation in the large-scale places such as gymnasium, workshop, warehouse, market, supermarket, entertainment places.Existing Induced fan can not need according to scene the wind speed and the air quantity that regulate blower fan in use, when in such as environment, the concentration of narmful substance such as carbon monoxide is higher, diluted ambient air is carried out with regard to needing the air-flow that wind speed is high, flow velocity is fast, and in the ordinary course of things, then need flow is large, flow velocity is little air-flow to ensure that ambient air is fresh unobstructed.Therefore, how to realize Induced fan wind adjustable short-term training for people be badly in need of research problem.
Model utility content
Technical problem to be solved in the utility model is: the jet flow Induced fan providing a kind of adjustable wind speed.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: jet flow Induced fan, comprise: casing, be arranged on the intake grill of casing side, be arranged on three nozzles of casing opposite side, spiral case is supported in casing by support block, impeller is provided with in described spiral case, the external rotor electric machine be coaxially connected with impeller is provided with in the side of described spiral case, in described casing, some flow distribution plates are provided with three ventilation flues, described one end of three ventilation flues is connected with the exhaust outlet of spiral case, the other end of described three ventilation flues is mutually corresponding with three nozzles successively and coupled logical, side near nozzle in described three ventilation flues is respectively arranged with ball valve, connecting passage is provided with in described ball valve, the lower end of described ball valve is rotated by locating stud and is arranged in casing, the upper end of described ball valve is connected with the motor shaft of stepper motor, described stepper motor to be fixedly installed on casing and to be electrically connected with air monitor.
In order to solve the problems of the technologies described above better, the further technological scheme that the utility model adopts is: between described ball valve and casing, be provided with sealing plug.
The utility model has the advantages that: above-mentioned jet flow Induced fan, can according to site environment timely adjustment wind speed, keep air fresh unimpeded, structure is simple, and easy to use, can realize Intelligent adjustment, energy consumption is low, and long service life is economical and practical.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model jet flow Induced fan.
Fig. 2 is the plan structure schematic diagram of Fig. 1.
In figure: 1, casing, 2, intake grill, 3, nozzle, 4, spiral case, 5, support block, 6, impeller, 7, external rotor electric machine, 8, flow distribution plate, 9, ventilation flue, 10, exhaust outlet, 11, ball valve, 12, connecting passage, 13, locating stud, 14, stepper motor, 15, motor shaft, 16, air monitor, 17, sealing plug.
Embodiment
Particular content of the present utility model is described in detail below in conjunction with the drawings and specific embodiments.
As Fig. 1, shown in Fig. 2, jet flow Induced fan, comprise: casing 1, be arranged on the intake grill 2 of casing 1 side, be arranged on three nozzles 3 of casing 1 opposite side, spiral case 4 is supported in casing 1 by support block 5, impeller 6 is provided with in described spiral case 4, the side of described spiral case 4 is provided with the external rotor electric machine 7 that be connected coaxial with impeller 6, in described casing 1, some flow distribution plates 8 are provided with three ventilation flues 9, one end of described three ventilation flues 9 is connected with the exhaust outlet 10 of spiral case 4, the other end of described three ventilation flues 9 is mutually corresponding with three nozzles 3 successively and coupled logical, side near nozzle 3 in described three ventilation flues 9 is respectively arranged with ball valve 11, connecting passage 12 is provided with in described ball valve 11, the lower end of described ball valve 11 is rotated by locating stud 13 and is arranged in casing 1, the upper end of described ball valve 11 is connected with the motor shaft 15 of stepper motor 14, described stepper motor 14 to be fixedly installed on casing 1 and to be electrically connected with air monitor 16.
As shown in Figure 1 and Figure 2, in this example, in order to ensure the reliability regulating wind speed, between described ball valve 11 and casing 1, sealing plug 17 is provided with.
When above-mentioned jet flow Induced fan uses, when control room starts Induced fan, stepper motor 14 is started by remote switch, the motor shaft 15 of stepper motor 14 drives ball valve 11 to rotate closed ventilation flue 9 gradually around locating stud 13, when the vent area of ventilation flue 9 is to more hour, the wind speed of now nozzle 3 blowout is higher, ambient air is diluted rapidly, after air arrival usage requirement Deng environment, changed by signal, the motor shaft 15 of stepper motor 14 drives ball valve 11 to rotate around locating stud 13 and opens ventilation flue 9 gradually, when ventilation flue 9 docks completely with the connecting passage 12 of ball valve 11, ventilation flue 9 is fully opened, now wind speed reduces, continue dilution surrounding atmosphere, ensure that ambient air is fresh unimpeded.
During above-mentioned jet flow Induced fan work, when detecting that in air, harmful matter exceeds standard by air monitor 16, now Induced fan starts voluntarily, air enters in spiral case 4 by intake grill 2, external rotor electric machine 7 impeller 6 rotates in three ventilation flues 9 being delivered to by air and being connected with its exhaust outlet 10, now start three stepper motors 14 by remote switch, the motor shaft 15 of stepper motor 14 drives ball valve 11 to rotate closed ventilation flue 9 gradually around locating stud 13, when the vent area of ventilation flue 9 is to more hour, the wind speed of now nozzle 3 blowout is higher, ambient air is diluted rapidly, after air monitor 16 detects that air arrives usage requirement, changed by signal, remote switch continues to start stepper motor 14, the motor shaft 15 of stepper motor 14 drives ball valve 11 to rotate around locating stud 13 and opens ventilation flue 9 gradually, when ventilation flue 9 docks completely with the connecting passage 12 of ball valve 11, ventilation flue 9 is fully opened, now wind speed reduces, continue dilution surrounding atmosphere, ensure that ambient air is fresh unimpeded.
Above-mentioned jet flow Induced fan, can according to site environment timely adjustment wind speed, and keep air fresh unimpeded, structure is simple, and easy to use, can realize Intelligent adjustment, energy consumption is low, and long service life is economical and practical.
Claims (2)
1. jet flow Induced fan, it is characterized in that: comprising: casing (1), be arranged on the intake grill (2) of casing (1) side, be arranged on three nozzles (3) of casing (1) opposite side, spiral case (4) is supported in casing (1) by support block (5), impeller (6) is provided with in described spiral case (4), the external rotor electric machine (7) that be connected coaxial with impeller (6) is provided with in the side of described spiral case (4), in described casing (1), some flow distribution plates (8) are provided with three ventilation flues (9), one end of described three ventilation flues (9) is connected with the exhaust outlet (10) of spiral case (4), the other end of described three ventilation flues (9) is mutually corresponding with three nozzles (3) successively and coupled logical, side near nozzle (3) in described three ventilation flues (9) is respectively arranged with ball valve (11), connecting passage (12) is provided with in described ball valve (11), the lower end of described ball valve (11) is rotated by locating stud (13) and is arranged in casing (1), the upper end of described ball valve (11) is connected with the motor shaft (15) of stepper motor (14), described stepper motor (14) is fixedly installed on casing (1) and goes up and be electrically connected with air monitor (16).
2. according to jet flow Induced fan according to claim 1, it is characterized in that: between described ball valve (11) and casing (1), be provided with sealing plug (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420517031.XU CN204099248U (en) | 2014-09-10 | 2014-09-10 | Jet flow Induced fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420517031.XU CN204099248U (en) | 2014-09-10 | 2014-09-10 | Jet flow Induced fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204099248U true CN204099248U (en) | 2015-01-14 |
Family
ID=52267680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420517031.XU Expired - Fee Related CN204099248U (en) | 2014-09-10 | 2014-09-10 | Jet flow Induced fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204099248U (en) |
-
2014
- 2014-09-10 CN CN201420517031.XU patent/CN204099248U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20150114 Termination date: 20170910 |