CN207583702U - A kind of airtight shielding ventilation fan - Google Patents
A kind of airtight shielding ventilation fan Download PDFInfo
- Publication number
- CN207583702U CN207583702U CN201721580636.3U CN201721580636U CN207583702U CN 207583702 U CN207583702 U CN 207583702U CN 201721580636 U CN201721580636 U CN 201721580636U CN 207583702 U CN207583702 U CN 207583702U
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- ventilation
- ventilation fan
- shielding
- assembly
- screening arrangement
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Abstract
The utility model discloses a kind of airtight shielding ventilation fans, including ventilation fan component, ventilation assembly, at least one transmission device, the transmission device is arranged on the inside of the ventilation assembly and controls the ventilation assembly folding, further include screening arrangement, the screening arrangement is arranged between the ventilation assembly and the ventilation fan component, it connect with the ventilation assembly on the outside of the screening arrangement, is connect on the inside of the screening arrangement with the ventilation fan component.The utility model not only effectively realizes the exchange between indoor and outdoor air, it ensure that the air quality during military operation, and then the health of staff is ensured, improve its working efficiency, and efficiently solve the drawbacks of outer signals can not be shielded in scavenging period, and its is simple in structure, easy to process, extremely meets the needs in market.
Description
Technical field
The utility model is related to Military Electronic Equipment technical field more particularly to a kind of airtight shielding ventilation fans.
Background technology
Ventilation fan is to drive fan blade rotation certain driving air-flow by motor, a kind of air conditioning electricity for exchanging indoor and outdoor air
Device.Ventilation fan is also known as draft fan, and the purpose of ventilation adjusts temperature, humidity and sense primarily to remove indoor foul atmosphere
Feel effect, indoor occupant is made to keep physical comfort degree.The scavenging way of ventilation fan mainly has discharge formula, suction-type and with formula three
Kind.Discharge formula ventilation fan is to enter air by natural inflow mouth, discharges foul atmosphere by ventilation fan and realizes air exchange
Purpose；Suction-type ventilation fan is to suck fresh air by ventilation fan, realizes that air is handed over from natural exhaust outlet discharge foul atmosphere
The purpose changed；And with formula ventilation fan be then by air-breathing with exhaust the purpose to realize air exchange is completed by ventilation fan.
With the continuous development of society, ventilation fan is widely used in family, military affairs and public place.It is but military
How field avoids military secrecy from being monitored by undesirable, stealing becomes China shows rank due to its own existing particularity
Section has to solve the problems, such as.Currently there are ventilation fan be generally all not provided with it is any shielding outer signals dress
It puts, while army's demand can be much not achieved in ambient adaptability, staff often can only or knot not actuated in military equipment
Ventilation fan is opened to remove indoor foul atmosphere in the gap of beam, and then achievees the purpose that air exchange.However, military operation is past
Toward there are the duration it is long the characteristics of, staff generally requires continuous work several hours under closed environment, this to work
The health of personnel is very unfavorable, seriously affects working efficiency.
Invention content
The utility model is generally all not provided with the device of any shielding outer signals, staff for existing ventilation fan
Often can only it is not actuated in military equipment or terminate gap open ventilation fan to remove indoor foul atmosphere, so as to influence
The health of staff, the defects of seriously affecting working efficiency, provide a kind of new airtight shielding ventilation fan.
In order to solve the above-mentioned technical problem, the utility model is achieved through the following technical solutions：
A kind of airtight shielding ventilation fan, including ventilation fan component, ventilation assembly, at least one transmission device, the transmission
Device is arranged on the inside of the ventilation assembly and controls the ventilation assembly folding, further includes screening arrangement, the screening arrangement
It is arranged between the ventilation assembly and the ventilation fan component, is connect on the outside of the screening arrangement with the ventilation assembly, institute
It states and is connect on the inside of screening arrangement with the ventilation fan component.
It is in order to which the ventilation assembly realization is controlled freely to open that at least one transmission device is provided on the inside of ventilation assembly
The purpose of conjunction.Be provided with ventilation fan component be in order to be matched with ventilation assembly, when transmission device control ventilation assembly open when,
Outside air is got in by ventilation assembly, ventilation fan component discharge foul indoor air and then the mesh for realizing air exchange
's.When transmission device control ventilation assembly is closed, stop air exchange and close ventilation fan component.In ventilation assembly and ventilation
Screening arrangement is provided between fan component to be on the one hand to open in ventilation assembly and play during air exchange
The effect of outer signals interference is shielded, military secrecy etc. is avoided to be monitored, steal by undesirable, is on the other hand to divulge information
Component plays the role of secondary shield after closing, ensure the safe and reliable of military operation environment.In addition, ventilation fan component, shielding
Device, ventilation assembly three are connected by compact and designed, and are reduced occupied space, have been saved production cost and working hour.
The utility model not only effectively realizes the exchange between indoor and outdoor air, ensure that the sky during military operation
Makings amount, and then ensured the health of staff, its working efficiency is improved, and efficiently solve in scavenging period
The drawbacks of outer signals can not be shielded, and its is simple in structure, easy to process, extremely meets the needs in market.
Preferably, a kind of airtight shielding ventilation fan described above, the ventilation assembly include outline border, blade assembly,
Blade synchronization bar is provided at least one ventilation opening on the outline border, and the blade assembly is rotatablely connected with the outline border, described
Blade synchronization bar connect with the blade assembly and in the driving lower band movable vane piece component folding of the transmission device.
It is provided with outline border to be on the one hand to provide a carrying platform to blade assembly, blade synchronization bar, on the other hand
It is for the ease of airtight shielding ventilation fan is mounted on specific position.It is to match with blade assembly to be provided with blade synchronization bar
Close, transmission device driving lower band movable vane piece component realize free-open-close purpose, and then realize indoor and outdoor air between oneself
By exchanging.Be provided on outline border at least one ventilation opening be for the ease of indoor and outdoor air free exchange, the ventilation opening according to
Need to may be configured as two, three, can it is vertically arranged can also be lateral or arranged in a crossed manner.
Preferably, a kind of airtight shielding ventilation fan described above, sealing ring is provided with around the ventilation opening, it is described
Sealing ring seals the gap between ventilation opening and blade assembly when blade assembly is closed.
Sealing ring be provided with around ventilation opening be in order to sealed when blade assembly is closed ventilation opening and blade assembly it
Between gap, and then be capable of it is significantly more efficient shielding outer signals interference, military secrecy is avoided to be monitored by undesirable, steal
It takes.
Preferably, a kind of airtight shielding ventilation fan described above, the outline border inside is additionally provided at least one gear
Rain eaves.
At least one eaves that keeps off the rain is provided on the inside of outline border it is in order to avoid under the severe weather conditions such as sleet, extraneous rain
It avenges the problem of entering in airtight shielding ventilation fan and device is caused to be unable to normal use to occur, effectively raises making for device
Use the service life.
Preferably, a kind of airtight shielding ventilation fan described above, the quantity of the eaves that keeps off the rain is set for two and respectively
It puts in the upper and lower both sides of the outline border.
It is set as two by the quantity for the eaves that keeps off the rain and is separately positioned on the upper and lower both sides of outline border further avoid the external world
Rainwater enters in airtight shielding ventilation fan and the problem of device is caused to be unable to normal use occurs, and further improves device
Service life.
Preferably, a kind of airtight shielding ventilation fan described above, the screening arrangement include barricade, wave filter,
Cellular board is shielded, is connect on the inside of the wave filter and the barricade, is connect on the outside of the shielding cellular board and the barricade.
It is connected with wave filter on the inside of barricade it is to allow useful separation method between signal and noise, improves the anti-of signal
Interference and signal-to-noise ratio.It is to enhance shield effectiveness that shielding cellular board is connected on the outside of barricade.
Preferably, a kind of airtight shielding ventilation fan described above, annular is provided with shielding on the shielding cellular board
Refer to spring.
Annular, which is provided with shielding and refers to spring, on shielding cellular board can be further ensured that shield effectiveness.
Preferably, a kind of airtight shielding ventilation fan described above, the shield effectiveness of the shielding cellular board is 60dB
More than.
The height of shield effectiveness is one of important channel for evaluating effectiveness quality.The screen of cellular board will be shielded
It is the needs in order to meet military field to cover efficiency to be set as more than 60dB, improves shielding grade, is further ensured that shield effectiveness.
Preferably, a kind of airtight shielding ventilation fan described above, the quantity of the transmission device is two and difference
It is arranged on the arranged on left and right sides of the ventilation assembly.
By the quantity of transmission device be set as two and be separately positioned on the arranged on left and right sides of the ventilation assembly can be more preferable
Control ventilation assembly, ensure under atrocious weather environment and the road conditions jolted still can swimmingly to realize free-open-close
The purpose of ventilation assembly.
Description of the drawings
Fig. 1 is a kind of structure diagram of airtight shielding ventilation fan of the utility model；
Fig. 2 is a kind of explosive view of airtight shielding ventilation fan of the utility model；
Fig. 3 is a kind of overhead sectional view of airtight shielding ventilation fan of the utility model；
Fig. 4 is the partial enlarged view in A portions in Fig. 3；
Fig. 5 is the structure diagram of ventilation assembly in the utility model；
Fig. 6 is a kind of side sectional view of airtight shielding ventilation fan of the utility model；
Fig. 7 is the side view that cellular board is shielded in the utility model；
Fig. 8 is the front view that cellular board is shielded in the utility model.
Specific embodiment
1-8 and specific embodiment are described in further detail the utility model below in conjunction with the accompanying drawings, but they are not
Limitation to the utility model：
Embodiment 1
As shown in Figures 1 to 8, a kind of airtight shielding ventilation fan, including ventilation fan component 1, ventilation assembly 2, at least one
Transmission device 3, the transmission device 3 are arranged on 2 inside of ventilation assembly and control 2 folding of ventilation assembly, further include
Screening arrangement 4, the screening arrangement 4 are arranged between the ventilation assembly 2 and the ventilation fan component 1, the screening arrangement 4
Outside is connect with the ventilation assembly 2, and 4 inside of screening arrangement is connect with the ventilation fan component 1.
In use, starting transmission device 3 first, transmission device 3 drives ventilation assembly 2 to open in the process of running, at this point,
Ventilation fan component 1 enters working condition under the action of transmission device 3, and outside air is got in by ventilation assembly 2, takes a breath
Component 1 is fanned to discharge foul indoor air and then realize the purpose of air exchange.In the process, 4 moment of screening arrangement plays screen
The effect of outer signals interference is covered, the military secrecy in scavenging period is avoided to be monitored, steal by undesirable.Likewise, when needing
When closing ventilation assembly 2, start transmission device 3, transmission device 3 drives ventilation assembly 2 to close in the process of running, ventilation fan
Component 1 is also stopped under the action of transmission device 3, and then stops air exchange.After stopping air exchange, screening arrangement 4
It also is able to play the role of secondary shield, ensures the safe and reliable of military operation environment.
Preferably, the ventilation assembly 2 includes outline border 23, blade assembly 21, blade synchronization bar 22, on the outline border 23
Be provided at least one ventilation opening 231, the blade assembly 21 is rotatablely connected with the outline border 23, the blade synchronization bar 22 with
The blade assembly 21 connects and in 21 folding of driving lower band movable vane piece component of the transmission device 3.
In use, transmission device 3 drives blade synchronization bar 22 to move, then blade synchronization bar 22 drives in moving process
Blade assembly 21 is opened, and outside air is got in by the ventilation opening 231 set on outline border 23, and ventilation fan component 1 discharges room
Interior foul atmosphere, the final purpose for realizing air free exchange.
Preferably, being provided with sealing ring 232 around the ventilation opening 231, the sealing ring 232 is closed in blade assembly 21
The gap between ventilation opening 231 and blade assembly 21 is sealed during conjunction.
Preferably, 23 inside of outline border is additionally provided at least one eaves 233 that keeps off the rain.
Preferably, the quantity of the eaves 233 that keeps off the rain is two and is separately positioned on the upper and lower both sides of the outline border 23.
Preferably, the screening arrangement 4 includes barricade 43, wave filter 42, shielding cellular board 41, the wave filter 42
It is connect with 43 inside of barricade, the shielding cellular board 41 is connect with 43 outside of barricade.
Preferably, annular is provided with shielding and refers to spring 411 on the shielding cellular board 41.
Preferably, the shield effectiveness of the shielding cellular board 41 is more than 60dB.
Preferably, the quantity of the transmission device 3 is two and is separately positioned on left and right the two of the ventilation assembly 2
Side.
In short, the above is only the preferred embodiment of the present invention, all ranges according to present utility model application patent
The equivalent changes and modifications made should all belong to the covering scope of the utility model.
Claims (9)
1. a kind of airtight shielding ventilation fan, including ventilation fan component（1）, ventilation assembly（2）, at least one transmission device（3）, institute
State transmission device（3）It is arranged on the ventilation assembly（2）Inside simultaneously controls the ventilation assembly（2）Folding, it is characterised in that：Also
Including screening arrangement（4）, the screening arrangement（4）It is arranged on the ventilation assembly（2）With the ventilation fan component（1）Between,
The screening arrangement（4）Outside and the ventilation assembly（2）Connection, the screening arrangement（4）Inside and the ventilation fan component
（1）Connection.
2. a kind of airtight shielding ventilation fan according to claim 1, it is characterised in that：The ventilation assembly（2）Including outer
Frame（23）, blade assembly（21）, blade synchronization bar（22）, the outline border（23）On be provided at least one ventilation opening（231）, institute
State blade assembly（21）With the outline border（23）Rotation connection, the blade synchronization bar（22）With the blade assembly（21）Connection
And in the transmission device（3）Driving lower band movable vane piece component（21）Folding.
3. a kind of airtight shielding ventilation fan according to claim 2, it is characterised in that：The ventilation opening（231）Surrounding is set
It is equipped with sealing ring（232）, the sealing ring（232）In blade assembly（21）Ventilation opening is sealed during closure（231）With blade assembly
（21）Between gap.
4. a kind of airtight shielding ventilation fan according to claim 2, it is characterised in that：The outline border（23）Inside is also set up
There is at least one eaves that keeps off the rain（233）.
5. a kind of airtight shielding ventilation fan according to claim 4, it is characterised in that：The eaves that keeps off the rain（233）Quantity
For two and it is separately positioned on the outline border（23）Upper and lower both sides.
6. a kind of airtight shielding ventilation fan according to claim 1, it is characterised in that：The screening arrangement（4）Including screen
Shield plate（43）, wave filter（42）, shielding cellular board（41）, the wave filter（42）With the barricade（43）Inside connects, institute
State shielding cellular board（41）With the barricade（43）Outside connects.
7. a kind of airtight shielding ventilation fan according to claim 6, it is characterised in that：The shielding cellular board（41）Upper ring
Shape is provided with shielding and refers to spring（411）.
8. a kind of airtight shielding ventilation fan according to claim 6, it is characterised in that：The shielding cellular board（41）Screen
Efficiency is covered for more than 60dB.
9. a kind of airtight shielding ventilation fan according to claim 1, it is characterised in that：The transmission device（3）Quantity
For two and it is separately positioned on the ventilation assembly（2）Arranged on left and right sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721580636.3U CN207583702U (en) | 2017-11-23 | 2017-11-23 | A kind of airtight shielding ventilation fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721580636.3U CN207583702U (en) | 2017-11-23 | 2017-11-23 | A kind of airtight shielding ventilation fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207583702U true CN207583702U (en) | 2018-07-06 |
Family
ID=62732847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721580636.3U Ceased CN207583702U (en) | 2017-11-23 | 2017-11-23 | A kind of airtight shielding ventilation fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207583702U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109177695A (en) * | 2018-09-21 | 2019-01-11 | 江苏捷诚车载电子信息工程有限公司 | Vehicle-mounted airtight shielding ventilation fan |
| CN109451719A (en) * | 2018-12-11 | 2019-03-08 | 贵州航天电子科技有限公司 | A kind of ventilation device with rain-proof dust-proof and electro-magnetic screen function |
| CN111061199A (en) * | 2019-12-31 | 2020-04-24 | 安徽美时影像技术有限公司 | Intelligent X-ray shielding control device system |
| CN111520048A (en) * | 2020-04-29 | 2020-08-11 | 武汉三澍精密科技有限公司 | For military use electromagnetic shield breather with shutter is fixed to closed |
| CN111520050A (en) * | 2020-04-29 | 2020-08-11 | 武汉三澍精密科技有限公司 | Military electromagnetic shielding and air changing device with open type fixed shutter |
-
2017
- 2017-11-23 CN CN201721580636.3U patent/CN207583702U/en not_active Ceased
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109177695A (en) * | 2018-09-21 | 2019-01-11 | 江苏捷诚车载电子信息工程有限公司 | Vehicle-mounted airtight shielding ventilation fan |
| CN109451719A (en) * | 2018-12-11 | 2019-03-08 | 贵州航天电子科技有限公司 | A kind of ventilation device with rain-proof dust-proof and electro-magnetic screen function |
| GB2588365B (en) * | 2018-12-11 | 2023-07-19 | Guizhou Aerospace Electronic Technology Co Ltd | Ventilation device with the functions of rainproof, dustproof and electromagnetic shielding |
| CN111061199A (en) * | 2019-12-31 | 2020-04-24 | 安徽美时影像技术有限公司 | Intelligent X-ray shielding control device system |
| CN111520048A (en) * | 2020-04-29 | 2020-08-11 | 武汉三澍精密科技有限公司 | For military use electromagnetic shield breather with shutter is fixed to closed |
| CN111520050A (en) * | 2020-04-29 | 2020-08-11 | 武汉三澍精密科技有限公司 | Military electromagnetic shielding and air changing device with open type fixed shutter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20210202 Decision number of declaring invalidation: 48052 Granted publication date: 20180706 |
|
| IW01 | Full invalidation of patent right |