CN212362326U

CN212362326U - Ventilation device with protection function

Info

Publication number: CN212362326U
Application number: CN202020600124.4U
Authority: CN
Inventors: 叶国洲
Original assignee: Sanhe Kefeng Electric Co ltd
Current assignee: Sanhe Kefeng Electric Co ltd
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2021-01-15
Anticipated expiration: 2030-04-21

Abstract

The utility model discloses a ventilation unit with safeguard function, ventilation unit includes: a housing having a first tuyere and a second tuyere in communication; the fan is arranged to pump and exhaust the airflow entering from the first air port to the second air port, or pump and exhaust the airflow entering from the second air port to the first air port; an air valve including a blade controlled to rotate by a motor, the air valve having an open state and a closed state; in the opening state, the blade rotates to open the communication between the first air port and the second air port, and in the closing state, the blade rotates to close the communication between the first air port and the second air port; and the control unit is used for controlling the air valve to be linked with the fan. The utility model provides a ventilation unit can effectively prevent the entering that leads to sand and wind dirt and foreign matter after the fan shut down to the protection indoor set does not receive external environment's influence.

Description

Ventilation device with protection function

Technical Field

The utility model relates to a ventilation technology field specifically, relates to a ventilation unit with safeguard function.

Background

In the prior art, a ventilation device for discharging heat is generally required to be installed in container rooms (especially photovoltaic boxes, energy storage boxes and the like), communication base stations, computer rooms, charging piles and other special electrical equipment cabinet cabinets and the like.

The ventilation unit protection level who uses at present is low excessively, when installing on computer lab or container room etc. because this ventilation unit makes indoor outer intercommunication, leads to indoor equipment to expose in external environment to make equipment continuously absorb external dust etc. reduce equipment life, make maintenance cost and time increase.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a ventilation unit with safeguard function to it is low excessively to solve the ventilation unit protection level among the prior art, leads to the indoor set to receive the problem of external environment influence.

In order to achieve the above object, the present invention provides a ventilation device with a protection function, the ventilation device includes:

a housing having a first tuyere and a second tuyere in communication;

a fan configured to be able to pump and exhaust the airflow entering from the first air port to the second air port, or to pump and exhaust the airflow entering from the second air port to the first air port;

an air valve including a blade controlled to rotate by a motor, the air valve having an open state and a closed state; in the open state, the blade rotates to open the communication between the first tuyere and the second tuyere, and in the closed state, the blade rotates to close the communication between the first tuyere and the second tuyere;

and the control unit is used for controlling the air valve to be linked with the fan.

Preferably, the control unit includes a temperature controller which controls the opening and closing of the air valve and the fan according to the detected temperature;

or the control unit comprises a time controller, and the time controller controls the air valve and the fan to be switched on and off according to set time.

Preferably, the control unit includes an emergency switch, and the opening and closing of the air valve and the fan are controlled by the emergency switch.

Preferably, the ventilation device further comprises a filter screen, and the filter screen is arranged to filter the air flow passing through the first air port and the second air port.

Preferably, the housing is provided with an insertion slot, and the filter screen is installed on the housing by being inserted into the insertion slot.

Preferably, the ventilation device further comprises a louver disposed at the first air opening.

Preferably, the louver comprises a plurality of parallel blades, the cross section of each blade is formed into a Z-shaped structure, the Z-shaped structure comprises a first plate body, a second plate body and a third plate body connected between the first plate body and the second plate body, each blade is installed such that the first plate body is bent upwards towards the outside of the shell, the second plate body is bent downwards towards the inside of the shell, and the third plate body extends downwards in an inclined manner in the direction from the outside to the inside; or, first plate body orientation just upwards buckle in the shell, the second plate body orientation just downwards buckle outside the shell, the third plate body is along the downward extension of the direction slope from inside to outside.

Preferably, the ventilation device further comprises an insect net between the damper and the louver.

Preferably, the ventilation device further comprises a support plate, the support plate is fixed on the shell, and one end of the support plate is abutted against the air valve so as to limit the air valve;

the supporting plate is provided with a long round hole extending along the direction of tightly propping the air valve, the supporting plate penetrates through the long round hole through a bolt and is fixed on the shell, the distance between the two opposite ends of the long round hole and the supporting plate is set to be different, so that one end of the supporting plate tightly props the air valve and the fixing position of the supporting plate relative to the bolt is adjusted along the long round hole according to the distance between the air valve and the bolt.

Preferably, a flange for installing the ventilation device is arranged at the first air port or the second air port.

The utility model provides a ventilation unit leads to the entering of sand and dust and foreign matter after can effectively preventing the fan bring to rest through setting up the blast gate and the fan linkage to protection interior equipment does not receive external environment's influence, does benefit to protection interior equipment.

Drawings

Fig. 1 is a schematic view of a ventilation device according to an embodiment of the present invention;

FIG. 2 is a schematic view of the ventilation assembly shown in FIG. 1, viewed from the right (with the filter screen of FIG. 1 not installed);

FIG. 3 is a schematic view of the ventilation assembly shown in FIG. 1, viewed from the left side;

FIG. 4 is a schematic view showing a sectional view of a blind;

FIG. 5 is a schematic structural view of a support plate;

FIG. 6 is a schematic view of the structure in which the support plate is mounted on the housing;

fig. 7 is a schematic structural view of the ventilating device provided by the present invention installed on a wall (wind is discharged from the outside to the inside);

fig. 8 is a schematic structural view of the ventilating device provided by the present invention installed on a wall (wind is discharged from indoor to outdoor).

Description of reference numerals:

1-a housing; 101-a first tuyere; 102-a second tuyere; 2, filtering a screen; 3, a fan; 4-air valve; 5-insect-proof net; 6-a shutter; 601-a first plate body; 602-a second plate body; 603-a third plate body; 604-a mounting portion; 7-slot; 8-a fan mounting rack; 9-a support plate; 901-long circular hole; 10-bolt; 11-a flange; 12-an emergency switch; 13-work indicator light.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted.

Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the subject matter of the present disclosure can be practiced without one or more of the specific details, or with other methods, components, devices, steps, and the like. In other instances, well-known structures, methods, devices, implementations, materials, or operations are not shown or described in detail to avoid obscuring aspects of the disclosure.

Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used herein for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an upper and a lower orientation. The device may also be otherwise oriented, such as by rotation through 90 degrees or at other orientations and the spatially relative descriptors used herein interpreted accordingly.

The utility model provides a ventilation unit with safeguard function, this ventilation unit includes:

the air conditioner comprises a shell 1, wherein the shell 1 is provided with a first air port 101 and a second air port 102 which are communicated;

a blower 3 provided to be able to draw and exhaust the airflow entering from the first tuyere 101 to the second tuyere 102 or to draw and exhaust the airflow entering from the second tuyere 102 to the first tuyere 101;

the air valve 4 comprises a blade controlled by a motor to rotate, and the air valve 4 has an opening state and a closing state; in the open state, the blade rotates to open the communication between the first tuyere 101 and the second tuyere 102, and in the closed state, the blade rotates to close the communication between the first tuyere 101 and the second tuyere 102;

the control unit is used for controlling the air valve 4 and the fan 3 to be linked, namely the opening or closing of the air valve 4 triggers the opening or closing of the fan 3; alternatively, the opening or closing of the fan 3 may trigger the opening or closing of the damper 4.

The utility model provides a ventilation unit is fit for being used for the container room (especially photovoltaic case, energy storage box etc.), communication base station, computer lab, fill electric pile and other special electrical equipment machine case racks etc. that have the ventilation cooling requirement, especially is fit for being used for the power plant steam generator room, the boiler room and the control building etc. that desert area or the serious area of sand storm just have the ventilation requirement. When ventilation is needed, the fan 3 and the air valve 4 are opened for ventilation, wherein air can be set to flow out from the first air port 101 to the second air port 102, or air can be set to flow out from the second air port 102 to the first air port 101, and only the steering direction of the fan 3 is changed; when not ventilating, blast gate 4 and fan 3 all close, isolated external and indoor intercommunication.

The utility model provides a ventilation unit is through setting up the linkage of blast gate 4 and fan 3, under the condition that fan 3 is not operated, blast gate 4 is closed, can effectively prevent the entering that leads to sand dust and foreign matter after the fan shut down like this to the protection indoor set does not receive external environment's influence, does benefit to the protection indoor set.

The utility model provides an among the technical scheme, the control unit can touch the switch of blast gate 4 and fan 3 through accepting outside open/close control signal.

For example, in one embodiment of the present invention, the control unit may include a temperature controller, and the temperature controller controls the air valve 4 and the fan 3 to be turned on and off according to the detected temperature.

Specifically, the temperature range of the damper 4 when opened may be set by the temperature controller, such as opening the damper 4 when the outside temperature is lower than 25oc in summer, and opening the damper 4 (region-by-region) when the outside temperature is higher than 5oc in winter, while the activation of the fan 3 may be triggered by an output signal. And when the external temperature exceeds the preset range, the air valve 4 is controlled to be closed, and the fan 3 is triggered to be closed.

In the present embodiment, the control means may include a time controller, and the time controller may set a time to control opening and closing of the damper 4 and the fan 3 according to the set time. For example, the damper 4 and the fan 3 may be set to be turned on and off for a preset time.

The control unit may further include an emergency switch 12 (shown in fig. 2), and the opening and closing of the air valve 4 and the fan 3 are controlled by the emergency switch 12. When the emergency switch 12 is pressed to be switched on, the air valve 4 starts to work, and when the blade of the air valve 4 rotates to an opening state, the fan 3 is started; when the emergency switch 12 is pressed to be disconnected, the air valve 4 is completely in a closed state after the fan 3 stops running.

The ventilation device can also comprise a working indicator lamp 13, when the air valve 4 and the fan 3 are in working states, the working indicator lamp 13 is on, and when the air valve 4 and the fan 3 stop working, the working indicator lamp 13 is off.

In addition, the control unit may be further provided with a natural ventilation switch, and when the natural ventilation switch is turned on, only the damper 4 is opened, and the fan 3 is not operated, that is, the indoor and outdoor may be naturally ventilated through the ventilation device without operating the fan.

In this embodiment, the ventilation device further includes a filter screen 2, and the filter screen 2 is configured to filter the air flow passing through the first air opening 101 and the second air opening 102.

Specifically, as shown in fig. 1, the filter screen 2 is disposed at the second tuyere 102, and the wind entering from the second tuyere 102 (or from the first tuyere 101) is first filtered by the filter screen 2 and then further discharged out of the first tuyere 101 (or the second tuyere 102) through the fan 3.

Preferably, the housing 1 is provided with a slot 7, and the filter screen 2 is mounted on the housing 1 by being inserted into the slot 7. The mode of installing the filter screen 2 through the slot 7 is simple, tools are not needed, the filter screen 2 is convenient to maintain, and filter screens of different types can be conveniently replaced.

More specifically, as shown in fig. 1, the fan 3 is mounted on a fan mounting bracket 8 in the housing 1, and the fan mounting bracket 8 can be fixed on the housing 1 by bolts. Wherein, a bending part is arranged on one side of the fan mounting rack 8 facing the filter screen 2, and the bending part of the shell 1 at the second air port 102 jointly form the slot 7.

In the present embodiment, preferably, as shown in fig. 1, the ventilation device further includes a louver 6, and the louver 6 is disposed at the first air inlet 101. When the ventilation apparatus is installed, the first tuyere 101 is directed to the outside and the second tuyere 102 is directed to the inside. The louver 6 is installed at the first air inlet 101 facing the outdoor, so that the external dust and sand can be prevented from entering the ventilation device, and the parts in the ventilation device can be protected.

Preferably, as shown in fig. 3 and 4, the louver 6 includes a plurality of parallel blades, each of which has a cross-section formed in a Z-shaped structure including a first plate 601, a second plate 602, and a third plate 603 connected between the first plate 601 and the second plate 602, each of the blades being installed such that the first plate 601 is bent upward toward the outside of the housing 1, the second plate 602 is bent downward toward the inside of the housing 1, and the third plate 603 extends obliquely downward in the direction from the outside to the inside; it is also possible to install the first board 601 toward the inside of the housing and bent upward, the second board 602 toward the outside of the housing and bent downward, and the third board 603 extending downward along the direction from the inside to the outside.

A drain hole may be further provided below the louver 6 to drain water splashed onto the louver and flowing downward. The design of the shutter 6 not only has good effects of preventing sand and dust and preventing water from splashing, but also does not increase air resistance.

In addition, the two opposite ends of each blade are respectively fixed with a mounting part 604, the mounting part 604 is provided with a mounting hole, and the two ends of each blade respectively pass through the mounting part 604 through fasteners to be fixed on the frame of the shutter 6.

In addition, as shown in fig. 1, the ventilation device may further include an insect-proof net 5 between the air valve 4 and the louver 6, and the insect-proof net 5 may be provided to prevent the entry of external flying insects.

In this embodiment, in order to fix the insect-proof net 5 and the air valve 4 in the housing 1, the ventilation device further includes a supporting plate 9, wherein the supporting plate 9 is fixed on the housing 1, and one end of the supporting plate is pressed against the air valve 4 to limit the air valve 4. When the supporting plate 9 is pressed against the air valve 4, the air valve 4 presses the insect-proof net 5 against the shutter 6, so that the positioning of the insect-proof net 5 and the air valve 4 in the shell 1 is realized through the supporting plate 9.

Preferably, the supporting plate 9 is configured as shown in fig. 5 and 6, an elongated hole 901 extending in a direction of abutting against the air valve 4 is provided on the supporting plate 9, the supporting plate 9 is fixed on the housing 1 by a bolt 10 passing through the elongated hole 901, wherein a distance between two opposite ends of the elongated hole 901 and the supporting plate 9 is set to be different, so as to select one end of the supporting plate 9 abutting against the air valve 4 according to the distance between the air valve 4 and the bolt 10, and the fixing position of the supporting plate 9 relative to the bolt 10 can be adjusted along the elongated hole 901. As shown in fig. 5, both ends of the supporting plate 9 are respectively provided with a bend to better press the air valve 4 by the bent ends.

Specifically, in operation, if the distance between the bolt 10 and the air valve 4 is relatively large (for example, the selected size of the air valve 4 in the thickness direction is small, which results in a large distance between the air valve 4 and the bolt 10), the end of the support plate 9 with a large distance from the oblong hole 901 is selected to tightly abut against the air valve 4, and the support plate 9 is fixed by fastening the bolt 10 to a proper position of the oblong hole 901; if the distance between the bolt 10 and the air valve 4 is relatively small (for example, the size of the selected air valve 4 in the thickness direction is large, which results in the distance between the air valve 4 and the bolt 10 being small), the support plate 9 may be rotated 180 degrees, so that the end of the support plate 9, which is located at a small distance from the oblong hole 901, abuts against the air valve 4.

In addition, if the insect-proof net 5 is not installed or the model of the air valve 4 is changed, the position of the supporting plate 9 can be adjusted along the oblong hole 901, so that the supporting plate 9 can still be tightly propped against the air valve 4 for limiting.

It should be noted that the ventilation device provided by the invention can select whether to install the insect-proof net 5, the shutter 6 and the filter screen 2 according to specific working conditions.

The utility model provides a ventilation unit's installation is shown in fig. 7 and 8, and first wind gap 101 that has shutter 6 corresponds outdoor installation, and second wind gap 102 corresponds indoor installation. The direction of the fan 3 can be set so that the wind flows from the indoor to the outdoor, and the wind can also flow from the outdoor to the indoor.

Specifically, during installation, a hole is formed in a wall body to be installed, a flange 11 is arranged at the first air port 101 of the shell 1 of the ventilation device, the ventilation device is embedded into the hole of the wall body from the outside to the inside, the flange 11 is attached to an outdoor wall surface, the flange 11 is fixed on the wall surface through a fastening piece, and a gap between a frame body of the louver 6 and the wall body can be filled with polyurethane foam caulking agent or cement mortar and the like. It is also possible to provide a flange at the second tuyere 102 of the casing 1, which is inserted into a hole in a wall from the inside to the outside and which makes the flange abut against and be fixed to the wall surface in the room. In addition, an auxiliary frame can be arranged at the hole of the wall body, and the ventilation device is arranged on the auxiliary frame.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto. The technical idea of the utility model within the scope, can be right the utility model discloses a technical scheme carries out multiple simple variant, makes up with any suitable mode including each concrete technical feature. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations. These simple variations and combinations should also be considered as disclosed in the present invention, all falling within the scope of protection of the present invention.

Claims

1. A ventilation device with a protection function, characterized in that the ventilation device comprises:

a housing having a first tuyere and a second tuyere in communication;

2. The ventilation apparatus with a guard function according to claim 1, wherein the control unit includes a temperature controller that controls opening and closing of the damper and the fan according to the detected temperature;

3. The ventilation device with the protection function according to claim 1, wherein the control unit includes an emergency switch by which the opening and closing of the air valve and the blower are controlled.

4. The ventilation device with the protection function according to claim 1, further comprising a filter screen provided for filtering the air flow passing through the first air port and the second air port.

5. The ventilation apparatus with protection function according to claim 4, wherein a slot is provided on the housing, and the filter net is mounted on the housing by being inserted into the slot.

6. The sheltered ventilation device of claim 1, further comprising a louver disposed at the first air opening.

7. The ventilation unit with a shielding function according to claim 6, wherein the louver comprises a plurality of parallel blades, each of which has a cross-section formed in a Z-shaped structure including a first plate, a second plate, and a third plate connected between the first plate and the second plate;

each blade is installed in a way that the first plate body bends upwards towards the outside of the shell, the second plate body bends downwards towards the inside of the shell, and the third plate body extends downwards in an inclined manner along the direction from the outside to the inside; or, first plate body orientation just upwards buckle in the shell, the second plate body orientation just downwards buckle outside the shell, the third plate body is along the downward extension of the direction slope from inside to outside.

8. The shieldable ventilation device of claim 6, further comprising an insect screen positioned between the damper and the louver.

9. The ventilation device with the protection function according to any one of claims 1 to 8, further comprising a support plate configured to be fixed to the housing and having one end abutting against the air valve to limit the air valve;

10. The ventilation device with the protection function according to any one of claims 1 to 8, wherein a flange for mounting the ventilation device is provided at the first tuyere or the second tuyere.