CN219955521U - Air flow control equipment for kitchen air intake - Google Patents
Air flow control equipment for kitchen air intake Download PDFInfo
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- CN219955521U CN219955521U CN202320797883.8U CN202320797883U CN219955521U CN 219955521 U CN219955521 U CN 219955521U CN 202320797883 U CN202320797883 U CN 202320797883U CN 219955521 U CN219955521 U CN 219955521U
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- air inlet
- kitchen
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- 238000001514 detection method Methods 0.000 claims abstract description 8
- 238000009423 ventilation Methods 0.000 claims description 59
- 238000010438 heat treatment Methods 0.000 claims description 33
- 238000001914 filtration Methods 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 abstract description 4
- 239000000779 smoke Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000006233 lamp black Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
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Abstract
The utility model discloses air flow control equipment for kitchen air intake, which relates to the field of air intake equipment and comprises a ventilating box, an air inlet pipe fixedly arranged on the outer wall of the ventilating box, an air outlet pipe fixedly arranged on the outer wall of the ventilating box, an air cylinder fixedly arranged in the inner cavity of the ventilating box, an axial flow fan and a detection mechanism, wherein the inner cavity of the air inlet pipe is communicated with the inner cavity of the ventilating box, the inner cavity of the air outlet pipe is communicated with the inner cavity of the ventilating box, the air inlet end of the axial flow fan is communicated with the inner cavity of the air inlet pipe, the air outlet end of the axial flow fan is communicated with the inner cavity of the air outlet pipe, and the detection mechanism comprises a differential pressure sensor and a first logic controller, wherein the differential pressure sensor is used for measuring the differential pressure at two ends of the ventilating box; through the cooperation of above-mentioned structure, can be according to indoor and outdoor pressure differential automatically regulated entering indoor air's flow, guarantee when using smoke ventilator, outdoor fresh air can fully supply indoor.
Description
Technical Field
The utility model relates to the technical field of air inlet equipment, in particular to air flow control equipment for kitchen air inlet.
Background
When the kitchen is used, the door and window needs to be opened, if the door and window is closed, negative pressure is formed in the room, so that the kitchen cannot work normally, the most effective solution is that the window is opened to enable outdoor air to enter the room during cooking, but when the kitchen is used in winter in the north, the indoor temperature is greatly different from the outdoor air temperature because the indoor air temperature in winter in the north is greatly different, if the outdoor air directly enters the room, the indoor temperature can be rapidly reduced, so that people feel uncomfortable or cold is caused, and at the moment, the kitchen air inlet equipment needs to be used for supplementing the outdoor fresh air into the room.
Because the power of different lampblack absorber during operation is different, so lampblack absorber is the air and the oil smoke volume of taking out from indoor for the pressure in the kitchen is different, and current some kitchen air inlet equipment is difficult to get into the flow of indoor air according to indoor and outdoor pressure differential automatically regulated, when using the oil extractor, is difficult to guarantee that outdoor air can fully supply indoor, influences people's result of use, and for this reason, we propose a kitchen air inlet's air flow control equipment.
Disclosure of Invention
In order to achieve the above purpose, the present utility model provides the following technical solutions: the device comprises a ventilation box, an air inlet pipe fixedly arranged on the outer wall of the ventilation box, an air outlet pipe fixedly arranged on the outer wall of the ventilation box, an air cylinder fixedly arranged in the inner cavity of the ventilation box, an axial flow fan and a detection mechanism, wherein the inner cavity of the air inlet pipe is communicated with the inner cavity of the ventilation box, the inner cavity of the air outlet pipe is communicated with the inner cavity of the ventilation box, the air inlet end of the axial flow fan is communicated with the inner cavity of the air inlet pipe, and the air outlet end of the axial flow fan is communicated with the inner cavity of the air outlet pipe; the detection mechanism comprises a differential pressure sensor and a first logic controller, wherein the differential pressure sensor is used for measuring the differential pressure at two ends of the ventilation box, the differential pressure sensor is fixedly arranged on the outer wall of the ventilation box, and the differential pressure sensor controls the axial flow fan to work through the first logic controller, so that the flow of indoor air can be automatically regulated according to the differential pressure between the indoor air and the outdoor air, the outdoor fresh air can be fully supplied to the indoor air when the range hood is used, and the use comfort of the device is improved.
Preferably, the inner cavity of the ventilation box is provided with a filter screen for filtering impurities in the outside air, so that the content of the pollutants in the outside air is reduced through three-stage filtration, and fresh air is supplied to a room.
Preferably, the inner cavity of the ventilation box is provided with a heating plate for heating air in the inner cavity of the air duct, so that the outside cold air can be heated.
Preferably, the inner cavity of the ventilation box is clamped with a wind shield for limiting the ventilation direction, so that the outside air can more easily pass through the air duct and the axial flow fan.
Preferably, the inner chamber joint of ventilation case has the fixed plate that is used for fixed heating plate to can provide installation space for the heating plate, improve the stability of heating plate during operation.
Preferably, the inner chamber of ventilation case is provided with the air flowmeter that is used for measuring the air-supply line flow that admits air, and the inner chamber fixedly connected with second logic controller of ventilation case, air flowmeter passes through the temperature of second logic controller control heating plate to this device has improved the heating effect to external cold air.
Preferably, the outer wall fixedly connected with temperature sensor of ventilation case, the outer wall fixedly connected with third logic control ware of ventilation case, temperature sensor passes through the work of third logic control ware control heating plate to when external temperature reaches the comfortable temperature that human body can accept, the heating plate stop work, make external air need not heat just can directly get into in the kitchen, the energy saving.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the pressure difference between the indoor and the outdoor is detected by the pressure difference sensor, the pressure difference sensor transmits signals to control the axial flow fan to work through the first logic controller, the axial flow fan can work to introduce external cold air into the inner cavity of the ventilation box, the heating plate heats the external air, and the external air is discharged into the room from the air outlet pipe after passing through the axial flow fan and the air cylinder, so that the flow of the air entering the room can be automatically regulated according to the pressure difference between the room and the outdoor, the outdoor fresh air can be fully supplied into the room when the range hood is used, and the use comfort of the device is improved.
Drawings
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a cross-sectional view of the ventilation box of the present utility model;
fig. 3 is an enlarged view of a in fig. 2 according to the present utility model.
In the figure: 1. a ventilation box; 2. an air inlet pipe; 3. an air outlet pipe; 4. an air duct; 5. an axial flow fan; 6. a wind deflector; 7. a heating sheet; 8. a fixing plate; 9. and (3) a filter screen.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1-3, in the drawings, an air flow control device for kitchen air intake includes a ventilation box 1, an air inlet pipe 2 fixedly installed on the outer wall of the ventilation box 1, an air outlet pipe 3 fixedly installed on the outer wall of the ventilation box 1, an air duct 4 fixedly installed on the inner wall of the ventilation box 1, an axial flow fan 5 and a detection mechanism, wherein the inner cavity of the air inlet pipe 2 is mutually communicated with the inner cavity of the ventilation box 1, the inner cavity of the air outlet pipe 3 is mutually communicated with the inner cavity of the ventilation box 1, an air inlet end of the axial flow fan 5 is communicated with the inner cavity of the air inlet pipe 2, an air outlet end of the axial flow fan 5 is communicated with the inner cavity of the air outlet pipe 3, the detection mechanism includes a differential pressure sensor and a first logic controller, the differential pressure sensor is fixedly installed on the outer wall of the ventilation box 1, the first logic controller is fixedly installed on the outer wall of the ventilation box 1, and the differential pressure sensor controls the axial flow fan 5 to work through the first logic controller.
The ventilation box 1 is communicated with the outside through the air inlet pipe 2, the ventilation box 1 is communicated with the kitchen room through the air outlet pipe 3, the differential pressure sensor is a common sensor in the prior art, the differential pressure sensor can be used for measuring the differential pressure at two ends of the ventilation box 1, the technical means known to the skilled person are omitted, the outer wall fixedly connected with of the ventilation box 1 is used for assembling lifting lugs of the ventilation box 1, the ventilation box 1 is conveniently installed, and the air duct 4 provides an installation space for the axial flow fan 5.
When the range hood is used in a closed room, the range hood works to discharge indoor air and oil smoke, so that the indoor pressure becomes low, at the moment, the pressure difference sensor detects that the indoor pressure difference is generated with the outdoor pressure, and then the pressure difference sensor transmits a pressure difference signal to the first logic controller, the first logic controller controls the axial flow fan 5 to start working, the fan in the axial flow fan 5 rotates, negative pressure is formed in the ventilation box 1, fresh air in the external environment can be introduced from the air inlet pipe 2, and the external air is discharged into the room from the air outlet pipe 3 through the axial flow fan 5 and the air cylinder 4.
Meanwhile, the pressure difference sensor controls the rotating speed of the fan in the axial flow fan 5 through the first logic controller, when the pressure difference sensor detects that the pressure difference between the indoor and the outdoor is larger, the logic controller controls the rotating speed of the fan in the axial flow fan 5 to be faster, the flow of fresh air introduced from the outside is more, otherwise, the rotating speed of the fan in the axial flow fan 5 is slower when the pressure difference between the indoor and the outdoor is smaller, the flow of fresh air introduced from the outside is less, and therefore the device can automatically adjust the flow of the indoor air according to the pressure difference between the indoor and the outdoor, the outdoor fresh air can be fully supplied into the indoor when the range hood is used, the comfort of the device is improved, negative pressure formed by the operation of the range hood in the indoor is avoided, and harmful air and bacteria are brought into the indoor through places such as a sewer.
The inner chamber of ventilation case 1 is provided with filter screen 9 that is arranged in filtering the impurity in the outside air.
The filter screen 9 is provided with three, is just effective filter screen respectively, and medium-efficient filter screen and high-efficient filter screen, and three filter screen 9 can be dismantled through bolt or buckle and install at ventilation case 1's inner chamber, and three filter screen 9 all are the slope setting, are favorable to increasing the area of contact between air and the filter screen 9, improve the filter effect, are provided with the filter screen replacement door that is used for dismantling filter screen 9 at ventilation case 1's outer wall, reduce the content of pollutant in the outside air through tertiary filtration, to indoor fresh air.
The inner cavity of the ventilation box 1 is provided with a heating plate 7 for heating the air in the inner cavity of the air duct 4.
When outside air passes through the axial fan 5 and then enters the inside of the air duct 4, the outside cold air can be heated through the heating plate 7, so that the indoor temperature can be rapidly reduced when the outdoor cold air directly enters the room in winter in northern China, and the human body is uncomfortable or cold is caused.
The inner chamber joint of ventilation case 1 has the deep bead 6 that is used for restricting the air circulation direction.
Outside air is after getting into ventilation case 1 inner chamber, through the deep bead 6 that sets up, can outside air more easily pass through dryer 4 and axial fan 5, and it is indoor to discharge from tuber pipe 3 again, simultaneously, can reduce the consumption of air current to heating plate 7 heat, increases the heating effect of heating plate 7 to dryer 4 inner chamber.
The inner cavity of the ventilation box 1 is clamped with a fixing plate 8 for fixing the heating plate 7.
Through the fixed plate 8 that sets up, can provide installation space for heating plate 7, improve the stability of heating plate 7 during operation.
The inner chamber of ventilation case 1 is provided with the air flowmeter that is used for measuring the air-supply line 2 air inflow, and the inner chamber fixedly connected with second logic controller of ventilation case 1, and air flowmeter passes through the temperature of second logic controller control heating plate 7.
When the range hood is used in a closed room, the pressure difference sensor transmits signals to the first logic controller, the first logic controller controls the axial flow fan 5 to work, the axial flow fan 5 can introduce external cold air into the inner cavity of the ventilation box 1 through the air inlet pipe 2, meanwhile, the air flow meter can detect the air flow, when the air flow meter detects that the air flow is increased, the air flow meter transmits signals to the second logic controller, the second logic controller controls the temperature of the heating plate 7 to increase, otherwise, when the air flow meter detects that the air flow is decreased, the second logic controller controls the temperature of the heating plate 7 to decrease, and the heating effect of the device on the external cold air is improved.
Example 2
Referring to fig. 1 to 3, unlike embodiment 1, the following are adopted:
the outer wall fixedly connected with of ventilation case 1 is used for measuring outdoor temperature's temperature sensor, and temperature sensor refers to the sensor that can feel the temperature and convert into usable output signal, is the well-known technical means of skilled in the art, and it is not too much to be described here, and ventilation case 1's outer wall fixedly connected with third logic controller, temperature sensor passes through the work of third logic controller control heating plate 7.
In this embodiment: the first logic controller, the second logic controller and the third logic controller may be a common single-chip microcomputer in the prior art.
When the pressure difference sensor detects that the pressure difference exists between the indoor and the outdoor, the pressure difference sensor transmits a signal to control the axial flow fan 5 to work through the first logic controller, the axial flow fan 5 can work to lead the outside cold air into the inner cavity of the ventilation box 1, the heating plate 7 heats the outside air, meanwhile, the temperature sensor monitors the outdoor temperature in real time, when the outside temperature reaches the comfortable temperature acceptable by the human body, the temperature sensor transmits a signal to the third logic controller, and the third logic controller controls the heating plate 7 to stop working, so that the outside air can directly enter a kitchen without heating, and energy is saved.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process-method-article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process-method-article or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes-modifications-substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. An air flow control device for kitchen air intake, which is characterized in that: the air inlet pipe (2) is fixedly arranged on the outer wall of the air inlet box (1), the air outlet pipe (3) is fixedly arranged on the outer wall of the air inlet box (1), the air cylinder (4) is fixedly arranged in the inner cavity of the air inlet box (1), the axial flow fan (5) and the detection mechanism are arranged in the inner cavity of the air cylinder (4), the inner cavity of the air inlet pipe (2) is mutually communicated with the inner cavity of the air inlet box (1), the inner cavity of the air outlet pipe (3) is mutually communicated with the inner cavity of the air inlet box (1), the air inlet end of the axial flow fan (5) is communicated with the inner cavity of the air inlet pipe (2), and the air outlet end of the axial flow fan (5) is communicated with the inner cavity of the air outlet pipe (3);
the detection mechanism comprises a differential pressure sensor and a first logic controller, wherein the differential pressure sensor is used for measuring differential pressure at two ends of the ventilation box (1), the differential pressure sensor is fixedly arranged on the outer wall of the ventilation box (1), and the differential pressure sensor controls the axial flow fan (5) to work through the first logic controller.
2. A kitchen inlet air flow control device according to claim 1, characterized in that: the inner cavity of the ventilation box (1) is provided with a filter screen (9) for filtering impurities in the outside air.
3. A kitchen inlet air flow control device according to claim 2, characterized in that: the inner cavity of the ventilation box (1) is provided with a heating sheet (7) for heating the air in the inner cavity of the air duct (4).
4. A kitchen inlet air flow control device according to claim 3, characterised in that: the inner cavity of the ventilation box (1) is clamped with a wind shield (6) for limiting the ventilation direction.
5. A kitchen inlet air flow control device according to claim 4, characterized in that: the inner cavity of the ventilation box (1) is clamped with a fixing plate (8) for fixing the heating plate (7).
6. A kitchen inlet air flow control device according to claim 5, characterized in that: the inner cavity of the ventilation box (1) is provided with an air flow meter for measuring the air inlet flow of the air inlet pipe (2), the inner cavity of the ventilation box (1) is fixedly connected with a second logic controller, and the air flow meter controls the temperature of the heating sheet (7) through the second logic controller.
7. A kitchen inlet air flow control device according to claim 5, characterized in that: the outer wall fixedly connected with temperature sensor of ventilation case (1), the outer wall fixedly connected with third logic control ware of ventilation case (1), temperature sensor passes through third logic control ware control the work of heating plate (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320797883.8U CN219955521U (en) | 2023-04-12 | 2023-04-12 | Air flow control equipment for kitchen air intake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320797883.8U CN219955521U (en) | 2023-04-12 | 2023-04-12 | Air flow control equipment for kitchen air intake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219955521U true CN219955521U (en) | 2023-11-03 |
Family
ID=88547234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320797883.8U Active CN219955521U (en) | 2023-04-12 | 2023-04-12 | Air flow control equipment for kitchen air intake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219955521U (en) |
-
2023
- 2023-04-12 CN CN202320797883.8U patent/CN219955521U/en active Active
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