CN204741648U - Novel redundant fan wind channel automatic switch device - Google Patents
Novel redundant fan wind channel automatic switch device Download PDFInfo
- Publication number
- CN204741648U CN204741648U CN201520168738.9U CN201520168738U CN204741648U CN 204741648 U CN204741648 U CN 204741648U CN 201520168738 U CN201520168738 U CN 201520168738U CN 204741648 U CN204741648 U CN 204741648U
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- loose
- baffle plate
- leaf
- leaf baffle
- connecting rod
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Abstract
The utility model provides a novel redundant fan wind channel automatic switch device is mainly by curb plate, pin, loose -leaf baffle, connecting rod, stopper, horizontal spacing baffle, hookup round pin, constitutions such as gasket. Wind channel automatic switching device's framework is constituteed to a plurality of curb plate, and stopper, horizontal spacing baffle and pin are installed in the framework, and loose -leaf baffle installation is on the pin, and connecting rod and connecting rod are installed on the loose -leaf baffle, and a plurality of connecting rod and loose -leaf baffle are connected through the hookup round pin, installs gasket and split pin on the hookup round pin. When wind channel automatic switching device closed, the loose -leaf baffle passes through the horizontal spacing baffle fixed a position at horizontal position, and when wind channel automatic switching device opened, the loose -leaf baffle passed through the stopper location in appropriate position. Its work does not need the power, does not need drive device, and is stable, safe, reliable, when a set of fan during operation wherein, automatic switching device self -closing reserve wind channel in wind channel prevents the appearance of air current short circuit, satisfy the high reliability demand of market to the converter.
Description
Technical field
The utility model relates to converter technology field, particularly relates to a kind of novel redundant fan air channel recloser.
Background technology
Current frequency converter major part is non-redundant fan cooling system, that is, only has a set of cooling system, and the reliability of cooling system directly decides the reliability of frequency converter, when cooling system breaks down, frequency converter will be out of service, otherwise frequency converter can due to overheated and damage.Along with the reliability requirement of client to frequency converter is more and more higher, particularly in some unattended occasions, nonredundant cooling system can not meet the high reliability demand of market to frequency converter.
Accomplish cooling system redundancy, just need two cover cooling fans, when main fan works, spare fans does not work, and when main fan breaks down, spare fans is devoted oneself to work immediately, to ensure the normal operation of frequency converter.If there is no a kind of suitable air channel recloser in redundant fan cooling system, when group fan work of wherein, air-flow can flow into from the spare fans at top, flow out through main fan again, so, cause air flow shortcircuit, the high-power heating unit device in frequency converter can not effectively be cooled, so not only can not improve the reliability of system, reduce the reliability of system on the contrary.The airflow condition of short circuit is illustrated in fig. 7 shown below.The equipment redundancy that said redundancy refers to, object is the reliability in order to improve equipment.
In order to solve the problem, the most feasible method is a kind of air channel of utility model recloser, and when wherein one group of fan work, air channel recloser cuts out air channel for subsequent use automatically, prevents the appearance of air flow shortcircuit.This is technical problem to be solved in the utility model.
Utility model content
For the deficiencies in the prior art, the purpose of this utility model is: provide a kind of novel redundant fan air channel recloser, when primary fan work in redundant fan systems, the air channel of spare fans, automatically closed by air channel recloser, prevent air flow shortcircuit, thus the normal operation of the system of guarantee.When primary fan failure, spare fans starts automatically, and the air channel recloser now in spare fans air channel is opened automatically, and the air channel recloser in primary fan air channel cuts out automatically.
For achieving the above object, the utility model adopts following technical scheme:
A kind of novel redundant fan air channel recloser, include framework, framework is provided with several loose-leaf baffle plates, and by pin, loose-leaf baffle plate is fixed in framework, connect with connecting rod with the linkage ensureing each loose-leaf between each loose-leaf baffle plate, the stop preventing loose-leaf baffle plate from can not automatically close because open angle is excessive for the open angle limiting loose-leaf baffle plate of loose-leaf baffle plate is provided with, the Horizontal limiting baffle plate be horizontal when the other end of framework is provided with for ensureing loose-leaf flapper closure in one end of framework.
Preferably, first side plate, the second side plate, the 3rd side plate, the 4th side plate composition framework, framework is main component of the present utility model, is provided with several loose-leaf baffle plates between the 3rd side plate and the 4th side plate, what loose-leaf baffle plate was removable is connected on pin, and pin is arranged on the 3rd side plate and the 4th side plate; Stop is the plate of a bending; Stop is arranged on the second side plate, Horizontal limiting baffle plate is located on the first side plate, several loose-leaf baffle plates are provided with between stop and Horizontal limiting baffle plate, first connecting rod and second connecting rod are installed on loose-leaf baffle plate, several loose-leaf baffle plates are connected by first connecting rod and second connecting rod in turn makes each loose-leaf baffle plate link, first connecting rod, second connecting rod are connected by attachment pegs with loose-leaf baffle plate, attachment pegs are provided with pad and split pin.
Preferably, the dihedral angle that stop is formed is greater than 90 degree.
Preferably, the removable connection of rivet is passed through between the first side plate, the second side plate, the 3rd side plate, the 4th side plate.
A kind of cooling system comprising above-mentioned a kind of novel redundant fan air channel recloser, comprise primary fan, spare fans, the below of primary fan, spare fans is provided with fan air channel automatic switch, and the below of fan automatic switch is provided with the cavity of a negotiable air.This cooling system can be applied to frequency converter, and this cooling system reliability is high, and good stability is easy for operation, equipment redundancy, avoids air flow shortcircuit, and cooling efficiency is high, make working together of frequency converter more reliable, reduce the probability that accident occurs, there is higher value.
Further, spare fans can arrange several, the corresponding air channel recloser of each spare fans, and when the number of spare fans is more, the reliability of cooling system just strengthens further.
When not having blast, loose-leaf baffle plate connects in turn in the horizontal direction and is closed in air channel, and the loose-leaf baffle plate near Horizontal limiting baffle plate rides on Horizontal limiting baffle plate; When there being blast, the loose-leaf baffle plate near stop is limited the angle of rotating by it, and stop is the plate of a bending.
Stop, Horizontal limiting baffle plate and pin are installed in framework, and preferably, stop is arranged on the second side plate, and Horizontal limiting baffle plate is located on the first side plate, is provided with several loose-leaf baffle plates between stop and Horizontal limiting baffle plate.Loose-leaf baffle plate is installed on pin, first connecting rod and second connecting rod are installed on loose-leaf baffle plate, loose-leaf baffle plate is connected by first connecting rod and second connecting rod in turn makes each loose-leaf baffle plate link, first connecting rod, second connecting rod are connected by attachment pegs with loose-leaf baffle plate, attachment pegs are provided with pad and split pin.
When air channel recloser cuts out, loose-leaf baffle plate is positioned at horizontal level by Horizontal limiting baffle plate, when air channel recloser is opened, loose-leaf baffle plate is located in position by stop, on this position, the frictional force that the torque energy that loose-leaf baffle plate self gravitation produces overcomes loose-leaf baffle plate and pin, produces between loose-leaf baffle plate and attachment pegs, thus loose-leaf baffle plate can be made automatically to close without under External Force Acting.
When the fan is operating, the frictional force that the pressure that fan produces overcomes loose-leaf baffle plate and pin, produces between loose-leaf baffle plate and attachment pegs, forces loose-leaf baffle plate automatically to be opened.
The effect of connecting rod: 1. connect each loose-leaf baffle plate 3, makes it interlock; 2. when the fan is operating, the air-flow of turbulence can make loose-leaf baffle plate ceaselessly swing, thus produces noise level, after increasing connecting rod, and loose-leaf baffle plate yoke plate, thus reduce air-flow turbulence to the impact of loose-leaf baffle plate, reduce noise.
The effect of pad is intended to reduce the frictional force between loose-leaf baffle plate and connecting rod, connecting rod.
In this air channel recloser, some loose-leaf baffle plates are housed, and by pin, loose-leaf baffle plate are fixed in framework, connect, to ensure the linkage of each loose-leaf with connecting rod between each loose-leaf baffle plate.When the fan is operating, automatically open under the pressure that loose-leaf baffle plate produces at fan, air channel is opened, and when fan quits work, loose-leaf baffle plate rotates under himself Action of Gravity Field, closes air channel.Be provided with the stop of loose-leaf baffle plate in one end of framework, limit the open angle of loose-leaf baffle plate, prevent loose-leaf baffle plate from can not automatically close because open angle is excessive; The other end of framework is provided with Horizontal limiting baffle plate, is horizontal during to ensure loose-leaf flapper closure.
Compared to prior art, the beneficial effects of the utility model are:
The utility model is a kind of mechanical device achieving the automatic shutter of redundant fan cooling system, and its work does not need power supply, does not need driving arrangement, stable, safe, reliable; When wherein one group of fan work, air channel recloser cuts out air channel for subsequent use automatically, prevents the appearance of air flow shortcircuit; Meet the high reliability demand of market to frequency converter.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of a kind of novel redundant fan air channel described in the utility model recloser;
Fig. 2 is the schematic diagram of the decomposition of Fig. 1;
Fig. 3 is another schematic diagram decomposed of Fig. 1;
Fig. 4 is the assembling schematic diagram of the said loose-leaf baffle plate of the utility model;
Fig. 5 is the close-up schematic view of Fig. 4;
Fig. 6 is the close-up schematic view of Fig. 5;
Fig. 7 is when not adopting the utility model, airflow condition schematic diagram;
When Fig. 8 is for employing the utility model, airflow condition schematic diagram during primary fan work;
When Fig. 9 is for employing the utility model, airflow condition during spare fans work
Wherein, the 1, first side plate; 2, the second side plate; 11, the 3rd side plate; 12, the 4th side plate; 3, loose-leaf baffle plate; 4, first connecting rod; 5, second connecting rod; 6, cover plate; 7, stop; 8, Horizontal limiting baffle plate; 9, attachment pegs; 10, pad; 13, rivet; 16, split pin; 17, pin; 18, primary fan; 19, spare fans.
Embodiment
Below, by reference to the accompanying drawings and embodiment, the utility model is described further:
Embodiment 1
As shown in figures 1 to 6, a kind of novel redundant fan air channel recloser, includes side plate, pin 17, loose-leaf baffle plate 3, connecting rod, stop 7, Horizontal limiting baffle plate 8, attachment pegs 9, pad 10.
Wherein, as Figure 1-3, first side plate 1, second side plate 2, the 3rd side plate 11, the 4th side plate 12 form the framework of this air channel recloser, framework is main component of the present utility model, several loose-leaf baffle plates 3 are provided with between 3rd side plate 11 and the 4th side plate 12, what loose-leaf baffle plate 3 was removable is connected on pin 17, and pin 17 is arranged on the 3rd side plate 11 and the 4th side plate 12.
When not having blast, loose-leaf baffle plate 3 connects in turn in the horizontal direction and is closed in air channel, and the loose-leaf baffle plate 3 near Horizontal limiting baffle plate 8 rides on Horizontal limiting baffle plate 8; When there being blast, the loose-leaf baffle plate 3 near stop 7 is limited the angle of rotating by it, and stop 7 is the plate of a bending.
Stop 7, Horizontal limiting baffle plate 8 and pin 17 are installed in framework, and preferably, stop 7 is arranged on the second side plate 2, and Horizontal limiting baffle plate 8 is located on the first side plate, is provided with several loose-leaf baffle plates 3 between stop 7 and Horizontal limiting baffle plate 8.Loose-leaf baffle plate 3 is installed on pin 17, first connecting rod 4 and second connecting rod 5 are installed on loose-leaf baffle plate 3, loose-leaf baffle plate 3 is connected by first connecting rod 4 and second connecting rod 5 in turn makes each loose-leaf baffle plate 3 link, first connecting rod 4, second connecting rod 5 are connected by attachment pegs 9 with loose-leaf baffle plate 3, attachment pegs 9 are provided with pad 10 and split pin 16.
When air channel recloser cuts out, loose-leaf baffle plate 3 is positioned at horizontal level by Horizontal limiting baffle plate 8, when air channel recloser is opened, loose-leaf baffle plate 3 is located in position by stop 7, on this position, the frictional force that the torque energy that loose-leaf baffle plate 3 self gravitation produces overcomes loose-leaf baffle plate 3 and pin 17, produces between loose-leaf baffle plate 3 and attachment pegs 9, thus loose-leaf baffle plate 3 can be made automatically to close without under External Force Acting.
When the fan is operating, the frictional force that the pressure that fan produces overcomes loose-leaf baffle plate 3 and pin 17, produces between loose-leaf baffle plate 3 and attachment pegs 9, forces loose-leaf baffle plate 3 automatically to be opened.
As shown in Figures 2 and 3, the effect of connecting rod: 1. connect each loose-leaf baffle plate 33, makes it interlock; 2. when the fan is operating, the air-flow of turbulence can make loose-leaf baffle plate 3 ceaselessly swing, thus produces noise level, after increasing connecting rod, and loose-leaf baffle plate 3 yoke plate, thus reduce air-flow turbulence to the impact of loose-leaf baffle plate 3, reduce noise.
As shown in Figure 4, the effect of pad 10 is intended to reduce the frictional force between loose-leaf baffle plate 3 and connecting rod, connecting rod.
As shown in Figure 1, framework is also provided with cover plate 6, between side plate, adopts rivet 13 to be fixed.
In this air channel recloser, some loose-leaf baffle plates 3 are housed, and by pin 17, loose-leaf baffle plate 3 are fixed in framework, connect, to ensure the linkage of each loose-leaf with connecting rod between each loose-leaf baffle plate 3.When the fan is operating, automatically open under the pressure that loose-leaf baffle plate 3 produces at fan, air channel is opened, and when fan quits work, loose-leaf baffle plate 3 rotates under himself Action of Gravity Field, closes air channel.Be provided with the stop 7 of loose-leaf baffle plate 3 in one end of framework, limit the open angle of loose-leaf baffle plate 3, prevent loose-leaf baffle plate 3 from can not automatically close because open angle is excessive; The other end of framework is provided with Horizontal limiting baffle plate 8, is horizontal during to ensure that loose-leaf baffle plate 3 is closed.
One described in the utility model novel redundant fan air channel recloser has two kinds of operating states, respectively corresponding diagram 8, Fig. 9.
Normal operating state is Fig. 8, and the direction of arrow is the schematic diagram of airflow direction, and time primary fan 18 works, the air channel recloser of primary fan 18 correspondence will be opened.
As shown in Figure 9, when primary fan 18 does not work, the air channel recloser of its correspondence is by stuffiness, and spare fans 19 works, and the air channel recloser of its correspondence will be ventilated.
In sum, the utility model ensure that, all there will not be air flow shortcircuit phenomenon when arbitrary desk fan work, and air flow shortcircuit phenomenon as shown in Figure 7.
Compared to prior art, the beneficial effects of the utility model are:
The utility model is a kind of mechanical device achieving the automatic shutter of redundant fan cooling system, and its work does not need power supply, does not need driving arrangement, stable, safe, reliable; When wherein one group of fan work, air channel recloser cuts out air channel for subsequent use automatically, prevents the appearance of air flow shortcircuit; Meet the high reliability demand of market to frequency converter.
To one skilled in the art, according to technical scheme described above and design, other various corresponding change and deformation can be made, and all these change and deformation all should belong within the protection range of the utility model claim.
Claims (4)
1. a novel redundant fan air channel recloser, it is characterized in that, include framework, framework is provided with several loose-leaf baffle plates, and by pin, loose-leaf baffle plate is fixed in framework, connect with connecting rod with the linkage ensureing each loose-leaf between each loose-leaf baffle plate, the stop preventing loose-leaf baffle plate from can not automatically close because open angle is excessive for the open angle limiting loose-leaf baffle plate of loose-leaf baffle plate is provided with, the Horizontal limiting baffle plate be horizontal when the other end of framework is provided with for ensureing loose-leaf flapper closure in one end of framework.
2. a kind of novel redundant fan air channel recloser according to claim 1, it is characterized in that, first side plate, the second side plate, the 3rd side plate, the 4th side plate composition framework, framework is main component of the present utility model, several loose-leaf baffle plates are provided with between 3rd side plate and the 4th side plate, what loose-leaf baffle plate was removable is connected on pin, and pin is arranged on the 3rd side plate and the 4th side plate; Stop is the plate of a bending; Stop is arranged on the second side plate, Horizontal limiting baffle plate is located on the first side plate, several loose-leaf baffle plates are provided with between stop and Horizontal limiting baffle plate, first connecting rod and second connecting rod are installed on loose-leaf baffle plate, several loose-leaf baffle plates are connected by first connecting rod and second connecting rod in turn makes each loose-leaf baffle plate link, first connecting rod, second connecting rod are connected by attachment pegs with loose-leaf baffle plate, attachment pegs are provided with pad and split pin.
3. a kind of novel redundant fan air channel recloser according to claim 2, is characterized in that, the dihedral angle that stop is formed is greater than 90 degree.
4. a kind of novel redundant fan air channel recloser according to claim 2, is characterized in that, by connection that rivet is removable between the first side plate, the second side plate, the 3rd side plate, the 4th side plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520168738.9U CN204741648U (en) | 2015-03-24 | 2015-03-24 | Novel redundant fan wind channel automatic switch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520168738.9U CN204741648U (en) | 2015-03-24 | 2015-03-24 | Novel redundant fan wind channel automatic switch device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204741648U true CN204741648U (en) | 2015-11-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520168738.9U Expired - Fee Related CN204741648U (en) | 2015-03-24 | 2015-03-24 | Novel redundant fan wind channel automatic switch device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204741648U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104735962A (en) * | 2015-03-24 | 2015-06-24 | 广州东芝白云菱机电力电子有限公司 | Automatic air channel opening and closing device of redundant fan |
| CN106440089A (en) * | 2016-10-27 | 2017-02-22 | 殷晓冬 | Multifunctional medical exhaust hood |
-
2015
- 2015-03-24 CN CN201520168738.9U patent/CN204741648U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104735962A (en) * | 2015-03-24 | 2015-06-24 | 广州东芝白云菱机电力电子有限公司 | Automatic air channel opening and closing device of redundant fan |
| CN106440089A (en) * | 2016-10-27 | 2017-02-22 | 殷晓冬 | Multifunctional medical exhaust hood |
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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 |
Granted publication date: 20151104 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |