CN219510858U - Flow distribution device of range hood - Google Patents
Flow distribution device of range hood Download PDFInfo
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- CN219510858U CN219510858U CN202320014050.XU CN202320014050U CN219510858U CN 219510858 U CN219510858 U CN 219510858U CN 202320014050 U CN202320014050 U CN 202320014050U CN 219510858 U CN219510858 U CN 219510858U
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- air inlet
- regulating plate
- range hood
- flow regulating
- flow
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- 239000000779 smoke Substances 0.000 claims abstract description 87
- 230000001105 regulatory effect Effects 0.000 claims abstract description 60
- 235000019504 cigarettes Nutrition 0.000 abstract description 7
- 238000012544 monitoring process Methods 0.000 description 9
- 238000010411 cooking Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000006233 lamp black Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Ventilation (AREA)
Abstract
The utility model discloses a flow distribution device of a range hood, which comprises a range hood body, wherein a left air inlet and a right air inlet are respectively formed in the left side and the right side of the range hood body, and the flow distribution device also comprises: one end of the flow regulating plate is hinged to the smoke machine body so that the flow regulating plate is positioned at the middle position of the left air inlet and the right air inlet; the swinging assembly is arranged on the cigarette machine body, and the output end of the swinging assembly is movably connected with the flow regulating plate so that the swinging assembly drives the flow regulating plate to swing around the hinged end of the flow regulating plate; and the controller is electrically connected with the swinging assembly. The structure is simple, and the left and right air quantity of the smoke machine can be adjusted by driving the flow adjusting plate to swing left and right.
Description
Technical Field
The utility model relates to the technical field of kitchen electricity, in particular to a flow distribution device of a range hood.
Background
The range hood has become one of the indispensable kitchen appliances in modern families. The range hood sucks and discharges oil smoke through a centrifugal fan arranged in the range hood, and a filter screen is used for filtering part of grease particles. The centrifugal fan comprises a volute, an impeller arranged in the volute and a motor for driving the impeller to rotate. When the impeller rotates, negative pressure suction is generated at the center of the fan, and oil smoke below the range hood is sucked into the fan and is collected by the volute after being accelerated by the fan to be guided to be discharged out of the room.
In the prior art, when most range hoods are used on a common double-kitchen range, a user often encounters the situation that the user only uses one side, but the range hoods cannot adjust the air quantity at the left side and the right side according to the use condition of the kitchen range, so that the range hoods are matched with the current cooking work.
Disclosure of Invention
The utility model aims to solve one of the problems existing in the related art to at least a certain extent, and therefore, the utility model provides a flow distribution device of a range hood, which has a simple structure and can realize the adjustment of the air quantity at the left side and the right side of the range hood by driving a flow adjusting plate to swing left and right.
The above object is achieved by the following technical scheme:
the utility model provides a flow distribution device of range hood, includes the range hood body left air intake and right air intake have been seted up respectively on the left and right sides of range hood body still includes:
one end of the flow regulating plate is hinged to the smoke machine body so that the flow regulating plate is positioned at the middle position of the left air inlet and the right air inlet;
the swinging assembly is arranged on the cigarette machine body, and the output end of the swinging assembly is movably connected with the flow regulating plate so that the swinging assembly drives the flow regulating plate to swing around the hinged end of the flow regulating plate;
and the controller is electrically connected with the swinging assembly.
In some embodiments, the swing assembly includes a driving motor, a connecting rod and a roller, wherein the driving motor is disposed on the cigarette machine body, an output end of the driving motor is connected with the connecting rod, the connecting rod is far away from one end of the driving motor and is connected with the roller, a sliding rail is disposed on the flow regulating plate along a vertical direction of the flow regulating plate, the roller is connected with the sliding rail in a matching manner so that the flow regulating plate is movably connected with the connecting rod, and the driving motor is electrically connected with the controller to control the driving motor to drive the flow regulating plate to swing.
In some embodiments, the swing assembly further comprises a mounting bracket through which the drive motor is disposed on a side wall of the range hood body.
In some embodiments, the flow control device further comprises an angle sensor disposed on the flow control plate and electrically connected to the controller.
In some embodiments, a fixing seat is arranged at the middle position of the left air inlet and the right air inlet, a connecting block is hinged on the fixing seat, and the connecting block is connected with the flow regulating plate.
In some embodiments, the smoke sensor further comprises a left smoke sensor and a right smoke sensor electrically connected with the controller, respectively, wherein the left smoke sensor is arranged at the position of the left air inlet to acquire the smoke concentration condition of the left air inlet, and the right smoke sensor is arranged at the position of the right air inlet to acquire the smoke concentration condition of the right air inlet.
Compared with the prior art, the utility model at least comprises the following beneficial effects:
1. the flow distribution device of the range hood is simple in structure, and the left and right air quantity of the range hood is adjusted by driving the flow regulating plate to swing left and right;
2. the flow distribution method of the range hood is simple and feasible, and can enable the range hood to automatically adjust the sizes of the air channels on the left side and the right side of the range hood according to the smoke concentration conditions on the left side and the right side, thereby realizing the automatic adjustment of the sizes of suction on the left side and the right side.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of a first structure of a flow distribution device of a range hood according to an embodiment of the present utility model;
fig. 2 is a schematic view of a second structure of a flow distribution device of a range hood according to an embodiment of the present utility model;
FIG. 3 is a flow chart of a flow distribution method in an embodiment of the utility model.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions in the embodiments of the present utility model will be clearly and completely described in the following in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. The components of embodiments of the present utility model may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are obtained by a person of ordinary skill in the art without creative efforts, are within the scope of the claimed technical solutions of the utility model.
Embodiment one:
as shown in fig. 1 and 2, the present embodiment provides a flow distribution device of a range hood, including a range hood body 1, a left air inlet 11 and a right air inlet 12 are respectively provided on the left and right sides of the range hood body 1, including:
the flow regulating plate 2, one end of the flow regulating plate 2 is hinged on the smoke machine body 1 so that the flow regulating plate 2 is positioned at the middle position of the left air inlet 11 and the right air inlet 12;
the swinging assembly 3 is arranged on the smoke machine body 1, and the output end of the swinging assembly 3 is movably connected with the flow regulating plate 2 so that the swinging assembly 3 drives the flow regulating plate 2 to do swinging motion around the hinged end of the swinging assembly;
the controller is electrically connected with the swinging component 3.
In this embodiment, left air intake 11 and right air intake 12 have been seted up respectively on the left and right sides of cigarette machine body 1, the articulated end of flow control board 2 articulates on cigarette machine body 1, thereby make the articulated end of flow control board 2 be located left air intake 11 and right air intake 12's intermediate position department, and flow control board 2 is located the below position department of fan, and then divide into left and right two air inlet channels with the inside wind channel interval of cigarette machine body 1 through flow control board 2, the expansion end of flow control board 2 is connected with the output of rocking subassembly 3, the controller control is rocked subassembly 3 and is driven flow control board 2 and make rocking motion around its articulated end, thereby make flow control board 2 swing to predetermineeing position department, and then adjust the size of two wind channels about in order to realize the suction size of automatically regulated left and right sides, and its simple structure, through driving flow control board 2 horizontal hunting in order to realize the regulation of cigarette machine left and right sides amount of wind.
Further, the swinging assembly 3 comprises a driving motor 31, a connecting rod 32 and a roller 33, wherein the driving motor 31 is arranged on the smoke machine body 1, the output end of the driving motor 31 is connected with the connecting rod 32, the connecting rod 32 is connected with the roller 33 at one end far away from the driving motor 31, a sliding rail 34 is arranged on the flow regulating plate 2 along the vertical direction of the flow regulating plate, the roller 33 is connected with the sliding rail 34 in a matched manner so that the flow regulating plate 2 is movably connected with the connecting rod 32, and the driving motor 31 is electrically connected with the controller so as to control the driving motor 31 to drive the flow regulating plate 2 to swing.
Preferably, the rocking assembly 3 further comprises a mounting bracket 35, and the drive motor 31 is arranged on the side wall of the range hood body 1 by means of the mounting bracket 35.
In this embodiment, a driving motor 31 is disposed on a rear side wall in a smoke machine body 1, a flat hole is formed at one end of a connecting rod 32 to enable a driving shaft of the driving motor 31 to be connected with the flat hole of the connecting rod 32 in a matched manner, so that the driving motor 31 and the connecting rod 32 are mounted together in a matched manner to perform power transmission or radial positioning function, a round hole is formed at the other end of the connecting rod 32 to enable the round hole of the connecting rod 32 to be connected with a roller 33 in a matched manner, a sliding rail 34 is formed in the flow adjusting plate 2 in the vertical direction, and because the roller 33 is preferably in a V-shaped roller 33 structure, the roller 33 is connected with the sliding rail 34 in a matched manner so that the roller 33 rolls back and forth on the sliding rail 34, a guiding function is realized on the roller 33, so that the flow adjusting plate 2 is movably connected with the connecting rod 32, the controller controls the driving motor 31 to drive the connecting rod 32 to rotate, and the roller 33 to roll on the sliding rail 34 through swinging of the connecting rod 32, so that the flow adjusting plate 2 swings around the hinged end of the connecting rod, and the sliding angle is adjusted through the driving of the flow adjusting plate 2, so that the left and right and left and right air channels are adjusted, and the left and right air inlet flow of the smoke machine is adjusted.
Further, the driving motor 31 may use a stepping motor, a brushless dc motor, or the like, and more preferably, a speed reducer is provided on the driving motor 31 for the purpose of increasing the rotational torque of the driving motor 31 to ensure that the flow rate adjustment plate 2 can be reliably moved to a preset position, and that the flow rate adjustment plate 2 is not displaced by an external force or negative pressure when the flow rate adjustment plate 2 swings in place. In order to reduce friction, the roller 33 is internally provided with bearings, so that the roller 33 runs on the sliding rail 34 more smoothly.
Specifically, the flow control device further comprises an angle sensor, wherein the angle sensor is arranged on the flow control plate 2 and is electrically connected with the controller.
In this embodiment, an angle sensor is disposed on the flow rate adjusting plate 2, so that the angle position information of the flow rate adjusting plate 2 can be obtained in real time, and further, the accurate adjustment of the swing angle of the flow rate adjusting plate 2 can be realized, however, the angle sensor can also be disposed on the driving motor 31, and the angle position information of the flow rate adjusting plate 2 can be obtained by detecting the rotation of the driving shaft of the driving motor 31. Also, instead of the angle sensor, a micro switch or a hall switch or the like may be used to acquire the angular position information of the flow rate adjustment plate 2 by detecting whether the flow rate adjustment plate 2 swings to a preset position.
Preferably, a fixing seat 4 is arranged at the middle position of the left air inlet 11 and the right air inlet 12, a connecting block 5 is hinged on the fixing seat 4, and the connecting block 5 is connected with the flow regulating plate 2.
Specifically, the smoke sensor further comprises a left smoke sensor and a right smoke sensor which are respectively electrically connected with the controller, wherein the left smoke sensor is arranged at the position of the left air inlet 11 to acquire the smoke concentration condition of the left air inlet 11, and the right smoke sensor is arranged at the position of the right air inlet 12 to acquire the smoke concentration condition of the right air inlet 12.
In this embodiment, a smoke sensor, i.e. a left smoke sensor and a right smoke sensor, is respectively disposed at the position of the left air inlet 12 and the right air inlet 12 of the smoke machine body 1 or at the left side and the right side of the smoke collecting cavity of the smoke machine body 1, so as to be suitable for identifying the oil smoke concentration conditions of the left side and the right side, and the controller dynamically adjusts the swing angle of the flow regulating plate 2 according to the oil smoke concentration conditions of the left side and the right side, so as to realize the control of the flow of the left side and the right side.
In the practical use process of the range hood, the right side of the kitchen range below the range hood is more stir-fried, but the condition does not mean that the other side is not used or has no lampblack. Therefore, three kinds of working condition information of working condition 1, working condition 2 and working condition 3 can be preset on the controller, wherein working condition 1 is balanced working condition about the range hood during operation, is applicable to the cooking state of left and right sides and is comparatively close, and the less working condition of oil smoke, driving motor 31 drive connecting rod 32 rotation this moment, drive flow control board 2 swing to intermediate position department through the rotation of connecting rod 32 to make flow control board 2 perpendicular to horizontal line, and then make the water conservancy diversion of two passageways about. Secondly, the working condition 2 is a right-side priority working condition of the range hood when working, and is suitable for the condition that the cooking firepower on the right side is maximum, at this time, the driving motor 31 rotates clockwise to drive the flow regulating plate 2 to rotate to the leftmost position, namely, the flow regulating plate 2 is driven to swing to the position close to the left, so that the right channel is a main air inlet channel. In addition, the working condition 3 is a left priority working condition of the range hood when working, and is suitable for the condition that the cooking firepower on the left side is maximum, at this time, the driving motor 31 rotates anticlockwise to drive the flow regulating plate 2 to rotate to the rightmost position, namely, the flow regulating plate 2 is driven to swing to the position close to the right, so that the left channel is a main air inlet channel.
In the embodiment, the fan of the range hood has detection feedback of power and current, so that the controller automatically adjusts the air quantity and the gear according to the power and the current of the fan.
Embodiment two:
as shown in fig. 3, the present embodiment provides a flow distribution method of a range hood, which is applied to any one of the flow distribution devices described in the embodiments, and the flow distribution method drives a connecting rod to rotate according to the smoke concentration conditions on the left and right sides of a kitchen range, and drives a roller to move on a groove of a sliding rail through the rotation of the connecting rod, so that a flow adjusting plate can be driven to change an angle, thereby adjusting the air duct occupancy rate on the left and right sides, further realizing the adjustment of the air inlet flow of the range hood.
In this embodiment, the flow distribution method includes the following steps:
step S101, starting the range hood.
Step S102, fire information of the kitchen range is acquired, and the rotating speed of a fan of the range hood is controlled according to the acquired fire information.
In this embodiment, the step of controlling the fan rotation speed of the range hood according to the acquired fire information includes:
judging whether the left side and the right side of the stove are not ignited;
if yes, the rotating speed of the fan is adjusted to the lowest gear for working;
if not, judging whether ignition of one of the left side and the right side of the stove is big fire, if so, adjusting the rotating speed of the fan to the highest gear for working, and if not, adjusting the rotating speed of the fan to the middle gear for working.
In the embodiment, the range hood starts to operate at a default gear after being started, and the range hood and the kitchen range can be linked, so that a controller of the range hood can read the fire information of the kitchen range, the fire values of the left side and the right side of the kitchen range are obtained, namely a left fire value Hl and a right fire value Hr respectively, and then the numerical values of the left fire value Hl and the right fire value Hr are compared; if the left side and the right side of the stove are not ignited, the values of the left fire value Hl and the right fire value Hr are 0, and the fan rotation speed is adjusted to the lowest gear to work at the moment, namely the fan rotation speed is adjusted to the 1 gear to work; if the fire power of any one of the fire power of the left side and the fire power of the right side is big fire, then any one of the fire power value Hl of the left side and the fire power value Hr of the right side is the maximum value, and the rotation speed of the fan is adjusted to the highest gear to work at the moment, namely the rotation speed of the fan is adjusted to the 3 gear to work; if the fire of any one of the fire at the left side and the fire at the right side is middle fire, namely, the fire at the left side and the fire at the right side do not belong to big fire, then the fire value Hl at the left side and the fire value Hr at the right side do not belong to maximum values at the moment, the rotating speed of the fan is adjusted to be the middle gear for working at the moment, and the rotating speed of the fan is adjusted to be the 2 gear for working.
Step S103, respectively obtaining the smoke concentration value of the left air inlet and the smoke concentration value of the right air inlet.
Step S104, matching the sum value of the smoke concentration value of the left air inlet and the smoke concentration value of the right air inlet to a corresponding preset air volume gear interval value.
In this embodiment, the left smoke sensor and the right smoke sensor are started simultaneously to perform detection, so as to obtain a current left smoke concentration value Yl and a current right smoke concentration value Yr, a sum value ysum=yl+yr of the smoke concentrations on the left and right sides is obtained according to the values of the left smoke concentration value Yl and the right smoke concentration value Yr, and the values of the preset air volume range values Qsum [ Qmin, qmax ] are matched according to Ysum, wherein Qmin and Qmax are the lower limit value and the upper limit value corresponding to the working conditions, and Qsum is matched with the corresponding air volume range.
Step S105, comparing the smoke concentration value of the left air inlet with the smoke concentration value of the right air inlet, controlling the flow regulating plate to swing to a preset position according to the comparison result, and acquiring current angle information of the flow regulating plate.
In this embodiment, the step of comparing the smoke concentration value of the left air inlet with the smoke concentration value of the right air inlet and controlling the flow adjusting plate to swing to a preset position according to the comparison result includes:
judging whether the difference value between the smoke concentration value of the left air inlet and the smoke concentration value of the right air inlet is smaller than a preset concentration threshold value or not;
if so, judging that the smoke concentration conditions of the air inlets at the left side and the right side are relatively close, and driving the flow regulating plate to swing to the middle position;
if not, comparing the smoke concentration value of the left air inlet with the smoke concentration value of the right air inlet; if the smoke concentration value of the left air inlet is larger than that of the right air inlet, judging that the left oil smoke is larger, and driving the flow regulating plate to swing to a position close to the right; if the smoke concentration value of the left air inlet is smaller than that of the right air inlet, the right side oil smoke is judged to be larger, and the flow regulating plate is driven to swing to the position close to the left.
In this embodiment, by calculating the difference between the two values of the left oil smoke concentration value Yl and the right oil smoke concentration value Yr, if the difference does not exceed the preset concentration threshold Yy, that is, when Δy= |yl-yr| is smaller than the preset concentration threshold Yy, it is determined that the left and right oil smoke concentrations are almost similar, that is, the left and right oil smoke concentrations are relatively close, the flow adjusting plate is driven to rotate toward the middle position by the driving motor, so that the air inlet channels on the left and right sides are as large, and then the current angle information of the flow adjusting plate is obtained by the angle sensor on the flow adjusting plate. If the difference exceeds the preset concentration threshold value Yy, namely when deltay= |yl-yr| is larger than the preset concentration threshold value Yy, comparing the values of the left oil smoke concentration value Yl and the right oil smoke concentration value Yr, if the left oil smoke concentration value Yl is smaller than the right oil smoke concentration value Yr, judging that the right oil smoke is larger, driving the flow regulating plate to rotate leftwards to enlarge the air inlet area of the right air inlet channel, and then obtaining the current angle information of the flow regulating plate through an angle sensor on the flow regulating plate. If the left oil smoke concentration value Yl is larger than the right oil smoke concentration value Yr, judging that the left oil smoke is larger, driving the flow regulating plate to rotate rightwards so as to enlarge the air inlet area of the left air inlet channel, and then obtaining the current angle information of the flow regulating plate through an angle sensor on the flow regulating plate.
Step S106, judging whether the current position of the flow regulating plate accords with the current cooking working condition;
if yes, calculating the current flow through the fan according to the current fan power of the range hood;
if not, driving the flow regulating plate to swing to the next preset position again, and returning to acquire the current angle information of the flow regulating plate again after the preset time length.
Step S107, the step of calculating the current flow through the fan according to the current fan power of the range hood comprises the following steps:
judging whether the current flow passing through the fan is within a preset air quantity gear interval value or not;
if yes, continuously monitoring for multiple times, and comparing the current monitored sub-value with a preset sub-value; if the current monitoring sub-value is greater than or equal to the preset sub-value, updating the gear corresponding to the current cooking condition and the swing position of the flow regulating plate to the preset value, resetting the current monitoring sub-value, and returning to acquire the smoke concentration value of the left air inlet and the smoke concentration value of the right air inlet respectively; if the current monitoring sub-value is smaller than the preset sub-value, continuously monitoring for multiple times, and then returning to respectively obtain the smoke concentration value of the left air inlet and the smoke concentration value of the right air inlet;
if not, comparing the current flow flowing through the fan with a preset air quantity gear interval value, and adjusting the fan rotating speed of the range hood according to the comparison result.
Step S108, comparing the current flow through the fan with a preset air quantity gear interval value, and adjusting the fan rotating speed of the range hood according to the comparison result, wherein the step comprises the following steps:
if the current flow rate of the fan is larger than the upper limit value of the preset air quantity gear interval value, judging whether the rotating speed gear of the current range hood is the lowest; if yes, comparing the current flow flowing through the fan with a preset air quantity gear interval value again; if not, the rotating speed gear of the range hood is reduced, and then the flow flowing through the fan at present is calculated according to the current fan power of the range hood;
if the current flow rate of the fan is smaller than the lower limit value of the preset air quantity gear interval value, judging whether the rotating speed gear of the current range hood is the highest or not; if yes, comparing the current flow flowing through the fan with a preset air quantity gear interval value again; if not, the rotating speed gear of the range hood is increased, and then the flow flowing through the fan at present is calculated according to the current fan power of the range hood.
In this embodiment, the current power or the rotation speed of the fan is obtained, so that the current flow Qm flowing through the fan is obtained through calculation, whether Qm is within a preset air volume gear interval value Qsum [ Qmin, qmax ] is determined, if yes, step S111 is entered; if not, go to step S112;
step S111, continuing monitoring, recording the monitoring times N, calculating the actual monitoring times N through a calculation formula N=n+1, judging whether N is greater than or equal to m, wherein m is a preset secondary value, if so, updating the gear corresponding to the current cooking condition and the swing position of the flow regulating plate to be the preset value, resetting the current monitoring secondary value, and then returning to respectively obtain the smoke concentration value of the left air inlet and the smoke concentration value of the right air inlet; if not, continuing to monitor, and then returning to respectively obtain the smoke concentration value of the left air inlet and the smoke concentration value of the right air inlet.
Step S112, judging whether the flow Qm flowing through the fan is larger or smaller, if so, namely, qm is larger than Qmax, namely, when the flow flowing through the fan is larger than the upper limit value of the preset air volume gear range value, entering step S113, and if so, namely, qm is smaller than Qmin, namely, when the flow flowing through the fan is smaller than the lower limit value of the preset air volume gear range value, entering step S114.
Step S113, judging whether the rotational speed gear of the current range hood is the lowest, if so, returning to the step S112; if not, the rotating speed gear of the range hood is regulated down, namely, the rotating speed gear of the range hood is regulated down by 1 gear, and then the current power or the rotating speed of the fan is obtained in a returning mode, so that the current flow Qm flowing through the fan is obtained through calculation;
step S114, judging whether the rotating speed gear of the current range hood is the highest, if so, returning to the step S112; if not, the rotating speed gear of the range hood is increased, namely, the rotating speed gear of the range hood is increased by 1 gear, and then the current power or the rotating speed of the fan is obtained in a returning mode, so that the current flow Qm flowing through the fan is obtained through calculation.
What has been described above is merely some embodiments of the present utility model. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the utility model.
Claims (6)
1. The utility model provides a flow distribution device of range hood, includes range hood body (1) left air intake (11) and right air intake (12) have been seted up respectively on the left and right sides of range hood body (1), its characterized in that still includes:
one end of the flow regulating plate (2) is hinged to the smoke machine body (1) so that the flow regulating plate (2) is positioned at the middle position of the left air inlet (11) and the right air inlet (12);
the swinging assembly (3) is arranged on the smoke machine body (1), and the output end of the swinging assembly (3) is movably connected with the flow regulating plate (2) so that the swinging assembly (3) drives the flow regulating plate (2) to swing around the hinged end of the flow regulating plate;
and the controller is electrically connected with the swinging assembly (3).
2. The flow distribution device of the range hood according to claim 1, wherein the swinging assembly (3) comprises a driving motor (31), a connecting rod (32) and a roller (33), wherein the driving motor (31) is arranged on the range hood body (1), an output end of the driving motor (31) is connected with the connecting rod (32), the connecting rod (32) is connected with the roller (33) at one end far away from the driving motor (31), a sliding rail (34) is arranged on the flow regulating plate (2) along the vertical direction of the sliding rail, the roller (33) is connected with the sliding rail (34) in a matched mode so that the flow regulating plate (2) is movably connected with the connecting rod (32), and the driving motor (31) is electrically connected with the controller so as to control the driving motor (31) to drive the flow regulating plate (2) to swing.
3. A flow distribution device for a range hood according to claim 2, characterized in that the swing assembly (3) further comprises a mounting bracket (35), the drive motor (31) being arranged on the side wall of the hood body (1) by means of the mounting bracket (35).
4. The flow distribution device of the range hood according to claim 1, further comprising an angle sensor, wherein the angle sensor is arranged on the flow regulating plate (2), and the angle sensor is electrically connected with the controller.
5. The flow distribution device of the range hood according to claim 1, wherein a fixed seat (4) is arranged at the middle position of the left air inlet (11) and the right air inlet (12), a connecting block (5) is hinged on the fixed seat (4), and the connecting block (5) is connected with the flow regulating plate (2).
6. The flow distribution device of one of claims 1 to 5, further comprising a left smoke sensor and a right smoke sensor electrically connected to the controller, respectively, wherein the left smoke sensor is disposed at the position of the left air inlet (11) to obtain the smoke concentration of the left air inlet (11), and the right smoke sensor is disposed at the position of the right air inlet (12) to obtain the smoke concentration of the right air inlet (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320014050.XU CN219510858U (en) | 2023-01-04 | 2023-01-04 | Flow distribution device of range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320014050.XU CN219510858U (en) | 2023-01-04 | 2023-01-04 | Flow distribution device of range hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219510858U true CN219510858U (en) | 2023-08-11 |
Family
ID=87530123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320014050.XU Active CN219510858U (en) | 2023-01-04 | 2023-01-04 | Flow distribution device of range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219510858U (en) |
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2023
- 2023-01-04 CN CN202320014050.XU patent/CN219510858U/en active Active
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