CN113669768A - Smoke guide plate structure of range hood and control method thereof - Google Patents

Abstract

The invention discloses a smoke guide plate structure of a range hood and a control method thereof, wherein a first smoke guide plate in the smoke guide plate structure of the range hood is arranged on a range hood main body and is movably arranged at a first air inlet, a second smoke guide plate is arranged on the range hood main body and is movably arranged at a second air inlet, a driving device is arranged on the range hood main body, a transmission assembly is arranged on a rotating shaft of the driving device, pushing assemblies are respectively arranged on the first smoke guide plate and the second smoke guide plate, one end of the transmission assembly is connected with the first smoke guide plate through the pushing assembly at one side, the other end of the transmission assembly is connected with the second smoke guide plate through the pushing assembly at the other side, and the control device is electrically connected with the driving device so that the driving device respectively drives the first smoke guide plate and the second smoke guide plate to synchronously move through the transmission assembly. The structure is simple, and the opening and closing movement of the smoke guide plates on the two sides of the range hood is respectively driven by a single driving device, so that the smoke exhaust effect is effectively improved.

Description

Smoke guide plate structure of range hood and control method thereof

Technical Field

The invention relates to the technical field of kitchen electricity, in particular to a smoke guide plate structure of a range hood and a control method thereof.

Background

The existing range hood mainly comprises two categories of top suction and side suction according to appearance forms. The hanging machine of the top smoking machine is higher in height and has larger operation space. However, because the distance between the air inlet of the smoke ventilator and the cooker is large, the phenomenon of oil smoke overflow is easily generated at the moment of frying, and the existing top smoke ventilator improves the smoke control capability and reduces the oil smoke overflow by means of a deep cavity, a smoke collecting plate, an air curtain, a butterfly wing plate and the like.

Among the correlation technique, most propaganda selling points are the range hood of subregion air inlet or smoking on the market, general air intake is two or more, through carrying out the subregion with filter screen or condensing panel to the collection petticoat pipe, form the multiaspect and advance the form of cigarette, in addition, the air intake increases the back, the noise that produces when the inside wind cabinet of cigarette case operates can follow the air intake radiation out, the user is disturbed in the noise, in addition the air intake increases the back, the inside liquid drop of box passes on the air intake directly drips the kitchen mesa easily, thereby influence user experience. During cooking, when the oil smoke generated at two sides of the stove is not uniform (one side has larger oil smoke and the other side has smaller oil smoke), the air quantity cannot be accurately distributed to the air inlets at two sides, so that the side with larger oil smoke cannot rapidly exhaust the oil smoke, and finally the oil smoke overflows.

Disclosure of Invention

The invention aims to solve at least one of the problems in the prior art to a certain extent, and therefore, the invention provides a smoke guide plate structure of a range hood, which has a simple structure and can effectively enlarge the smoke gathering area, thereby further improving the smoke exhaust effect.

In addition, the invention also provides a control method of the range hood, which is simple and feasible and can enable the opening degrees of the first smoke guide plate and the second smoke guide plate to be freely adjusted according to the oil smoke concentration condition at the corresponding air inlet.

The first object is achieved by the following technical scheme:

a smoke guide plate structure of a range hood comprises a range hood main body, wherein a first air inlet and a second air inlet are formed in the range hood main body, the range hood further comprises a first smoke guide plate, a second smoke guide plate, a driving device, a transmission assembly, a pushing assembly and a control device, the first smoke guide plate is mounted on the range hood main body and movably arranged at the first air inlet, the second smoke guide plate is mounted on the range hood main body and movably arranged at the second air inlet, the driving device is arranged on the range hood main body, the transmission assembly is arranged on a rotating shaft of the driving device, the pushing assembly is respectively arranged on the first smoke guide plate and the second smoke guide plate, one end of the transmission assembly is connected with the first smoke guide plate through the pushing assembly at one side, the other end of the transmission assembly is connected with the second smoke guide plate through the pushing assembly at the other side, the control device is electrically connected with the driving device so that the driving device drives the first smoke guide plate and the second smoke guide plate to move synchronously through the transmission assembly.

In some embodiments, the transmission assembly includes a first transmission member and a second transmission member, wherein the first transmission member and the second transmission member are respectively disposed on a rotating shaft of the driving device, the first transmission member is connected to the first smoke guide plate through the pushing assembly, the second transmission member is connected to the second smoke guide plate through the pushing assembly, and the driving device drives the first transmission member and the second transmission member to move synchronously.

In some embodiments, the drive assembly is a double cam structure and the quadrant position of the first drive member is different from the quadrant position of the second drive member.

In some embodiments, the pushing assembly includes a push rod and a swing arm, wherein the swing arm is respectively disposed on a first smoke guiding plate and a second smoke guiding plate, the swing arm on the first smoke guiding plate is movably connected to one end of the transmission assembly through the push rod, and the swing arm on the second smoke guiding plate is movably connected to the other end of the transmission assembly through the push rod.

In some embodiments, the pushing assembly further includes a fixed bracket, a sliding groove is formed on the fixed bracket, and the push rod slides in the sliding groove.

In some embodiments, the pushing assembly further comprises an elastic element, one end of the elastic element is connected with the fixed bracket, and the other end of the elastic element is connected with the push rod to limit the movement of the push rod.

In some embodiments, a positioning portion is disposed on the fixing bracket, one end of the elastic element is sleeved on the positioning portion to connect the elastic element with the fixing bracket, a limiting portion is disposed on the push rod, and the other end of the elastic element is sleeved on the limiting portion to connect the elastic element with the push rod.

In some embodiments, the push rod is provided with a push rod at an end close to the transmission assembly, and the push rod is connected with the transmission assembly through the push rod.

In some embodiments, the cigarette making machine further comprises a connecting rod and a swing rod, wherein the connecting rod is hinged to two ends of one side of the first cigarette guide plate or the second cigarette guide plate respectively, one end of the connecting rod, which is far away from the first cigarette guide plate or the second cigarette guide plate, is hinged to the cigarette making machine body, one end of the swing rod is hinged to the cigarette making machine body, and the other end of the swing rod is hinged to the other side of the first cigarette guide plate or the second cigarette guide plate, which is far away from the swing arm.

In some embodiments, the range hood further comprises a smoke detection device, wherein the smoke detection device is arranged on the range hood main body and is electrically connected with the control device.

The second objective is achieved by the following technical scheme:

a control method of a range hood, comprising a smoke guide plate structure of a range hood as described in any of the above embodiments, the control method of a range hood comprising the steps of:

starting the range hood to open the first smoke guide plate and the second smoke guide plate according to an initial gear state;

detecting the oil smoke concentration conditions of the first air inlet and the second air inlet;

and comparing the oil smoke concentration of the first air inlet with the oil smoke concentration of the second air inlet, and adjusting the opening degrees of the first smoke guide plate and the second smoke guide plate according to the comparison result.

In some embodiments, the initial gear state is opening the first smoke guide plate to place the first smoke guide plate in a fully open state and opening the second smoke guide plate to place the second smoke guide plate in a partially open state.

In some embodiments, the step of comparing the oil smoke concentration of the first air inlet with the oil smoke concentration of the second air inlet, and adjusting the opening degrees of the first smoke guide plate and the second smoke guide plate according to the comparison result includes:

judging whether the oil smoke concentration of the first air inlet is greater than a preset concentration threshold value or not;

if so, judging whether the oil smoke concentration of the second air inlet is greater than the preset concentration threshold value;

if not, judging whether the oil smoke concentration of the second air inlet is larger than the preset concentration threshold value or not.

In some embodiments, if yes, the step of determining whether the oil smoke concentration of the second air inlet is greater than the preset concentration threshold includes:

if the oil smoke concentration of the first air inlet is larger than the preset concentration threshold value;

judging whether the oil smoke concentration of the second air inlet is greater than the preset concentration threshold value or not;

if so, adjusting the opening degrees of the first smoke guide plate and the second smoke guide plate to be in a fully opened state until the range hood is closed;

if not, controlling the first smoke guide plate and the second smoke guide plate to keep the current opening degree to continuously work until the range hood is closed.

In some embodiments, if not, the step of determining whether the oil smoke concentration of the second air inlet is greater than the preset concentration threshold includes:

if the oil smoke concentration of the first air inlet is smaller than or equal to the preset concentration threshold value;

judging whether the oil smoke concentration of the second air inlet is greater than the preset concentration threshold value or not;

if so, adjusting the opening degree of the first smoke guide plate to be in a partially opened state, and adjusting the opening degree of the second smoke guide plate to be in a fully opened state until the range hood is closed;

if not, closing the range hood.

Compared with the prior art, the invention at least comprises the following beneficial effects:

1. the smoke guide plate structure of the range hood is simple in structure, and the opening and closing movement of the smoke guide plates on the two sides of the range hood is respectively driven by a single driving device, so that the smoke exhaust effect is effectively improved.

2. The range hood is reasonable in design, and the opening angles of the first smoke guide plate and the second smoke guide plate can be freely adjusted according to the size of oil smoke at the air inlets at the two sides of the range hood.

3. The control method of the range hood is simple and feasible, and the opening degrees of the first smoke guide plate and the second smoke guide plate can be freely adjusted according to the oil smoke concentration condition at the corresponding air inlet.

Drawings

Fig. 1 is a schematic structural diagram of a range hood in a closed state according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of the extractor hood according to the embodiment of the present invention when the first smoke guide plate is fully opened and the second smoke guide plate is not fully opened;

fig. 3 is a schematic diagram of the range hood according to the embodiment of the present invention when the first smoke guide plate and the second smoke guide plate are fully opened;

FIG. 4 is a first structural schematic diagram of a partial structure of a range hood according to an embodiment of the present invention;

FIG. 5 is an enlarged partial schematic view of portion A of FIG. 4;

FIG. 6 is a schematic structural view of a pushing assembly in a closed state according to an embodiment of the present invention;

FIG. 7 is a schematic view of the pushing assembly of the embodiment of the present invention fully opening the first smoke deflector and not fully opening the second smoke deflector;

FIG. 8 is a schematic view of the knot in the embodiment of the present invention when the pushing assembly fully opens the first smoke guide plate and the second smoke guide plate;

FIG. 9 is a side view of a first drive assembly in an embodiment of the invention;

FIG. 10 is a side view of a second drive assembly in an embodiment of the invention;

fig. 11 is a flow chart illustrating a range hood control method according to an embodiment of the present invention.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of the claims of the present invention.

The first embodiment is as follows:

as shown in fig. 1 to 10, this embodiment provides a smoke guide plate structure of a range hood, which includes a smoke machine main body 1, a first air inlet 11 and a second air inlet 12 are disposed on the smoke machine main body 1, and further includes a first smoke guide plate 2, a second smoke guide plate 3, a driving device 4, a transmission assembly 5, a pushing assembly 6 and a control device, wherein the first smoke guide plate 2 is mounted on the smoke machine main body 1 and movably disposed at the first air inlet 11, the second smoke guide plate 3 is mounted on the smoke machine main body 1 and movably disposed at the second air inlet 12, the driving device 4 is disposed on the smoke machine main body 1, the transmission assembly 5 is disposed on a rotating shaft of the driving device 4, the pushing assembly 6 is respectively disposed on the first smoke guide plate 2 and the second smoke guide plate 3, one end of the transmission assembly 5 is connected with the first smoke guide plate 2 through the pushing assembly 6 on one side, and the other end is connected with the second smoke guide plate 3 through the pushing assembly 6 on the other side, the control device is electrically connected with the driving device 4 so that the driving device 4 drives the first smoke guide plate 2 and the second smoke guide plate 3 to move synchronously through the transmission assembly 5.

In the embodiment, a first air inlet 11 and a second air inlet 12 are symmetrically arranged at the left and right of the lower position of the main body 1 of the range hood, a first smoke guide plate 2 is movably arranged at the first air inlet 11, a second smoke guide plate 3 is movably arranged at the second air inlet 12, a transmission assembly 5 is arranged on a rotating shaft of a driving device 4, two ends of the transmission assembly 5 are respectively connected with the first smoke guide plate 2 through a pushing assembly 6 on the first smoke guide plate 2 and connected with the second smoke guide plate 3 through a pushing assembly 6 on the second smoke guide plate 3, the driving device 4 respectively drives the first smoke guide plate 2 and the second smoke guide plate 3 to synchronously move through the transmission assembly 5, so as to respectively drive the first smoke guide plate 2 and the second smoke guide plate 3 to synchronously move to adjust the open and close states of the first air inlet 11 and the second air inlet 12, the structure is simple, and the open and close movements of the smoke guide plates at two sides of the range hood are respectively driven by a single driving device 4, thereby effectively promoting the smoke exhaust effect.

In this embodiment, the driving device 4 is not limited to one rotating shaft at one end thereof, and two ends of the driving device 4 may be respectively provided with output shafts coaxially connected, the output shafts at two ends of the driving device 4 are respectively provided with a first transmission member 51 and a second transmission member 52, the first transmission member 51 is connected to the first smoke guide plate 2 through the pushing assembly 6 at one end far away from the driving device 4, the second transmission member 52 is connected to the second smoke guide plate 3 through the pushing assembly 6 at one end far away from the driving device 4, the control device is electrically connected to the driving device 4 so that the driving device 4 drives the first transmission member 51 and the second transmission member 52 to move synchronously, and the first smoke guide plate 2 and the second smoke guide plate 3 are driven to move synchronously through actions of the first transmission member 51 and the second transmission member 52.

Further, the transmission assembly 5 comprises a first transmission member 51 and a second transmission member 52, wherein the first transmission member 51 and the second transmission member 52 are respectively arranged on a rotating shaft of the driving device 4, the first transmission member 51 is connected with the first smoke guide plate 2 through the pushing assembly 6, the second transmission member 52 is connected with the second smoke guide plate 3 through the pushing assembly 6, and the driving device 4 drives the first transmission member 51 and the second transmission member 52 to synchronously move.

Specifically, transmission assembly 5 is the double-cam structure to the quadrant position of first transmission member 51 is different with the quadrant position of second transmission member 52, and its reasonable in design, ingenious, drive arrangement 4 drives the promotion subassembly 6 motion at both ends respectively through transmission assembly 5 so that the state of opening and shutting of first smoke deflector 2 and second smoke deflector 3 realizes different regulation, thereby makes the aperture of both ends smoke deflector independent each other.

In this embodiment, the first transmission member 51 and the second transmission member 52 are respectively of a cam structure, and a connection member is disposed between the first transmission member 51 and the second transmission member 52 to enable the first transmission member 51 and the second transmission member 52 to move synchronously, so that the transmission assembly 5 forms a double-cam structure, and meanwhile, a quadrant position of the first transmission member 51 along the circumferential direction is different from a quadrant position of the second transmission member 52 along the circumferential direction, so that the opening and closing states of the smoke guide plates at two ends of the range hood are independently affected by a quadrant surface of the single-side cam, and finally, the opening degrees of the smoke guide plates at two sides are independent from each other, so as to achieve independent adjustment of the smoke guide plates at the left and right sides.

As shown in fig. 9 and 10, the quadrant positions of the first transmission member 51 and the second transmission member 52 are four regions divided by a horizontal axis and a vertical axis in a rectangular plane coordinate system, each region is called a quadrant position, wherein an upper right is called a first quadrant position, an upper left is called a second quadrant position, a lower left is called a third quadrant position, and a lower right is called a fourth quadrant position, and the first quadrant position, the second quadrant position, the third quadrant position, and the fourth quadrant position are different, such that a quadrant intersection is formed between two adjacent quadrant positions, a center point is formed between the horizontal axis and the vertical axis, distances between each quadrant intersection and the center point are different, specifically, the quadrant intersection between the second quadrant position and the third quadrant position in the first transmission member 51 and the second transmission member 52 is closest to the center point, and the quadrant intersection between the second quadrant position and the third position is set as the first smoke guide plate 2 and the second smoke guide plate 3 A full close point, both in a closed state; a quadrant intersection point between the first quadrant position and the fourth quadrant position in the first transmission member 51 and the second transmission member 52 is farthest from the central point, and the quadrant intersection point between the first quadrant position and the fourth quadrant position is set as a full opening point at which the first smoke guide plate 2 and the second smoke guide plate 3 are both in a fully opened state; the distance between the quadrant intersection point between the third quadrant position and the fourth quadrant position and the central point in the first transmission member 51 and the second transmission member 52 is between the farthest and the nearest, the quadrant intersection point between the third quadrant position and the fourth quadrant position is set to be that the first smoke guide plate 2 is in a fully opened state, and the second smoke guide plate 3 is in a not-fully opened state, that is, the second smoke guide plate 3 is in a partially opened state; the distance between the quadrant intersection point between the first quadrant position and the second quadrant position and the center point in the first transmission member 51 and the second transmission member 52 is also between the farthest and the closest, and the quadrant intersection point between the first quadrant position and the second quadrant position is set such that the first smoke guide plate 2 is in the non-fully-opened state, that is, the first smoke guide plate 2 is in the partially-opened state, and the second smoke guide plate 3 is in the fully-opened state.

Further, the pushing assembly 6 comprises a push rod 61 and a swing arm 62, wherein the swing arm 62 is respectively arranged on the first smoke guiding plate 2 and the second smoke guiding plate 3, the swing arm 62 positioned on the first smoke guiding plate 2 is movably connected with one end of the transmission assembly 5 through the push rod 61, the swing arm 62 positioned on the second smoke guiding plate 3 is movably connected with the other end of the transmission assembly 5 through the push rod 61, the structure is simple, and the transmission assembly 5 can be favorably used for respectively driving the first smoke guiding plate 2 and the second smoke guiding plate 3 to synchronously move.

Preferably, the pushing assembly 6 further comprises a fixing support 63, a sliding groove is formed in the fixing support 63, the pushing rod 61 slides in the sliding groove, the structure is simple and compact, the installation is convenient, and the sliding stability of the pushing rod 61 can be effectively improved.

Further, the pushing assembly 6 further comprises an elastic element 64, one end of the elastic element 64 is connected with the fixing support 63, and the other end of the elastic element 64 is connected with the pushing rod 61 to limit the movement of the pushing rod 61, so that the elastic element is reasonable in design and beneficial to limiting the movement of the pushing rod 61, and the pushing rod 61 is forced to always abut against the transmission assembly 5.

Specifically, the fixing bracket 63 is provided with a positioning portion, one end of the elastic element 64 is sleeved on the positioning portion so that the elastic element 64 is connected with the fixing bracket 63, the push rod 61 is provided with a limiting portion, and the other end of the elastic element 64 is sleeved on the limiting portion so that the elastic element 64 is connected with the push rod 61.

Preferably, the push rod 61 is provided with a push rod 65 at one end close to the transmission assembly 5, and the push rod 61 is connected with the transmission assembly 5 through the push rod 65, so that the structure is simple, and the stability of the matching motion between the push rod 61 and the transmission assembly 5 can be effectively improved.

Specifically, promote subassembly 6 and still include connecting rod 66 and pendulum rod 67, wherein connecting rod 66 articulates respectively on the both ends of first smoke deflector 2 or second smoke deflector 3 one side, connecting rod 66 is articulated mutually with cigarette machine main part 1 in the one end of keeping away from first smoke deflector 2 or second smoke deflector 3, pendulum rod 67 one end is articulated mutually with cigarette machine main part 1, the other end articulates in first smoke deflector 2 or second smoke deflector 3 opposite side is keeping away from one of swing arm 62, its simple structure does benefit to swing arm 62 and drives first smoke deflector 2 or second smoke deflector 3 and carry out the simultaneous movement.

Particularly, still include oil smoke detection device, oil smoke detection device sets up on cigarette machine main part 1 and oil smoke detection device and controlling means electric connection, and its reasonable in design can freely adjust the opening angle of first smoke deflector 2 and second smoke deflector 3 according to the size of range hood both sides air intake department oil smoke.

In this embodiment, swing arms 62 are respectively disposed on the first smoke guiding plate 2 and the second smoke guiding plate 3, a fixing bracket 63 is disposed at the position of each swing arm 62, the swing arm 62 is correspondingly hinged with the fixing bracket 63 at the end far away from the first smoke baffle or the second smoke guiding plate 3, a sliding slot is disposed on the fixing bracket 63, a push rod 61 slides back and forth in the sliding slot, a push rod 65 is disposed at the end far away from the fixing bracket 63 of the push rod 61, the outer side wall of the push rod 65 is movably connected with the first transmission member 51 or the outer wall surface of the second transmission member 52, so that the swing arm 62 disposed on the first smoke guiding plate 2 is movably connected with the first transmission member 51 through the push rod 61, the swing arm 62 disposed on the second smoke guiding plate 3 is movably connected with the second transmission member 52 through the push rod 61, rack structures are respectively disposed on the top circumference of the swing arm 62 and on the push rod 61 to engage the push rod 61 with the swing arm 62, therefore, the push rod 61 slides back and forth to drive the swing arm 62 to rotate around the hinged end of the swing arm and the fixed support 63, the inner wall surface of the push rod 65 is provided with a limiting part, the fixed support 63 is provided with a positioning part, the elastic element 64 is preferably made of a spring, and of course, the elastic element can also be made of other elastic components, one end of the spring is sleeved on the limiting part, and the other end of the spring is sleeved on the positioning part, so that the movement of the push rod 61 is limited, and the push rod 65 can be forced to always abut against the corresponding first transmission component 51 or the second transmission component 52. In addition, the first smoke guide plate 2 or the second smoke guide plate 3 is a quadrangle having two sets of corresponding side ends, respectively, wherein a swing arm 62 is hinged to one end of the rear side of the first smoke guide plate 2 or the second smoke guide plate 3, and the two swing arms 62 are located at one end of the first smoke guide plate adjacent to the second smoke guide plate 3, the swing arm 62 is hinged to a fixed bracket 63 at one end far away from the first smoke guide plate 2 or the second smoke guide plate 3, a swing rod 67 is hinged to the other end of the rear side of the first smoke guide plate 2 or the second smoke guide plate 3, the swing rod 67 is hinged to the cigarette machine body 1 at one end far away from the first smoke guide plate 2 or the second smoke guide plate 3, connecting rods 66 are hinged to both ends of the front side of the first smoke guide plate 2 or the second smoke guide plate 3, respectively, the connecting rods 66 are hinged to the cigarette machine body 1 at one end far away from the first smoke guide plate 2 or the second smoke guide plate 3, more preferably, the two connecting rods 66 are provided with synchronizing rods to realize synchronous motion of the connecting rods 66 at the two ends, so that the first smoke guide plate 2 or the second smoke guide plate 3 drives the swing rod 67 and the two connecting rods 66 to swing synchronously through rotation of the swing arm 62, and the first smoke guide plate 2 or the second smoke guide plate 3 moves downwards or retracts upwards to open and close the first air inlet 11 or the second air inlet 12.

In this embodiment, in range hood operation in-process, range hood passes through the oil smoke size that oil smoke detection device detected the top of a kitchen range, thereby adjust the position state that self gear and both sides smoke deflector opened and shut, when top of a kitchen range one side produced the oil smoke promptly, corresponding one side smoke deflector downstream is and open completely, the opposite side smoke deflector partial opening is used for exhausting residual smoke, make more amount of wind distribute to the big one side of oil smoke, the oil smoke is discharged rapidly by the pump drainage, prevent that the oil smoke is excessive, realize accurate accuse cigarette, and similarly, when the oil smoke of both sides is great relatively, the range is opened to both sides smoke deflector makes corresponding adjustment so that two smoke deflectors open completely, quick smoke exhaust, guarantee range hood's smoke exhausting effect all the time.

In the present embodiment, since the first transmission member 51 and the second transmission member 52 have different profile surfaces, through the difference of the profile surfaces of the cams at the two sides, when the two cams rotate simultaneously, the sliding distances of the final driving push rod 61 are different, thereby changing the opening and closing state and the opening degree of the left and right smoke guide plates, particularly, each quadrant point of the first transmission component 51 and the second transmission component 52 is separated by 90 degrees, namely, the position state of the smoke guide plates at two sides can be changed simultaneously every time the driving device 4 rotates 90 degrees, therefore, when the quadrant points on the contour surfaces of the first and second transmission members 51 and 52 are shifted from each other by 180 degrees at the quadrant intersection position between the first and second quadrant positions, or are staggered by 180 degrees from each other at the quadrant intersection position between the first quadrant position and the second quadrant position, therefore, the smoke guide plate on one side can be ensured to be in a fully opened state, and the smoke guide plate on the other side is ensured to be in a not fully opened state.

Example two:

as shown in fig. 11, the present embodiment provides a control method of a range hood, which includes a smoke guide plate structure of the range hood as described in the first embodiment, and the control method of the range hood in the present embodiment is applied to the smoke guide plate structure of the range hood as described in the first embodiment, and freely adjusts the opening degrees of the first smoke guide plate and the second smoke guide plate according to the oil smoke concentration conditions at the positions of the first air inlet and the second air inlet, and the method is simple and feasible, and can freely adjust the opening degrees of the first smoke guide plate and the second smoke guide plate according to the oil smoke concentration conditions at the corresponding air inlets.

In this embodiment, the method for controlling a range hood specifically includes the following steps:

and step S101, starting the range hood to open the first smoke guide plate and the second smoke guide plate according to the initial gear state.

In this embodiment, after the range hood is started, the range hood enters an initial gear state, where the initial gear state is to open the first smoke guide plate so that the first smoke guide plate is in a fully open state, and open the second smoke guide plate so that the second smoke guide plate is in a partially open state, that is, the driving device 4 rotates clockwise by 90 ° so that the first smoke guide plate 2 is in the fully open state and the second smoke guide plate 3 is not in the fully open state, and simultaneously, the oil smoke detection device is started to detect the size of oil smoke at the air inlets on both sides;

and S102, detecting the oil smoke concentration conditions of the first air inlet and the second air inlet.

In this embodiment, the user cooks and produces the oil smoke, starts oil smoke detection device and detects the oil smoke concentration condition of first air intake and second air intake to the oil smoke concentration value in order to obtain first air intake department and the oil smoke concentration value in second air intake department.

Step S103, judging whether the oil smoke concentration of the first air inlet is larger than a preset concentration threshold value or not;

if so, judging whether the oil smoke concentration of the second air inlet is greater than a preset concentration threshold value;

if not, judging whether the oil smoke concentration of the second air inlet is larger than a preset concentration threshold value or not.

Step S113, if the oil smoke concentration of the first air inlet is larger than a preset concentration threshold value;

judging whether the oil smoke concentration of the second air inlet is greater than a preset concentration threshold value or not;

if so, adjusting the opening degrees of the first smoke guide plate and the second smoke guide plate to be in a fully opened state until the range hood is closed;

if not, controlling the first smoke guide plate and the second smoke guide plate to keep the current opening degree to continuously work until the range hood is closed.

In this embodiment, if the oil smoke concentrations at the first air inlet and the second air inlet are respectively greater than the preset concentration threshold, the driving device 4 is controlled to rotate clockwise by 90 degrees again to enable the first smoke guide plate 2 and the second smoke guide plate 3 to be in a fully open state, and the gear of the fan of the range hood is increased to the maximum gear until the range hood enters a closed state, and if the oil smoke concentrations at the first air inlet and the second air inlet are only greater than the preset concentration threshold, the fan continues to operate according to the current state until the range hood enters the closed state.

Step S123, if the oil smoke concentration of the first air inlet is less than or equal to a preset concentration threshold value;

judging whether the oil smoke concentration of the second air inlet is greater than a preset concentration threshold value or not;

if so, adjusting the opening degree of the first smoke guide plate to be in a partially opened state, and adjusting the opening degree of the second smoke guide plate to be in a fully opened state until the range hood is closed;

if not, the range hood is closed.

In this embodiment, if it is determined that only the oil smoke concentration at the second air inlet is greater than the preset concentration threshold, the driving device 4 is controlled to rotate clockwise by 180 degrees again to enable the first smoke guide plate 2 to be in a non-fully-open state and the second smoke guide plate 3 to be in a fully-open state until the range hood enters a closed state, if it is determined that the oil smoke concentrations at the first air inlet and the second air inlet are respectively less than or equal to the preset concentration threshold, it is determined that the user does not cook or no large oil smoke is generated in the cooking process, and the range hood is controlled to enter the closed state, where the range hood enters the closed state, the first smoke guide plate 2 and the second smoke guide plate 3 are in the closed state.

What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the invention.

Claims (15)

1. The utility model provides a range hood's smoke deflector structure, includes cigarette machine main part (1) first air intake (11) and second air intake (12) have been seted up on cigarette machine main part (1), its characterized in that, still include first smoke deflector (2), second smoke deflector (3), drive arrangement (4) and drive assembly (5), promotion subassembly (6) and controlling means, wherein first smoke deflector (2) are installed on cigarette machine main part (1) and the activity set up in first air intake (11) department, second smoke deflector (3) are installed on cigarette machine main part (1) and the activity set up in second air intake (12) department, drive arrangement (4) set up on cigarette machine main part (1), drive assembly (5) set up in the pivot of drive arrangement (4), it sets up respectively to promote subassembly (6) first smoke deflector (2), On second smoke guide plate (3), one end of transmission assembly (5) is through one side promote subassembly (6) with first smoke guide plate (2) are connected, and the other end is through the opposite side promote subassembly (6) with second smoke guide plate (3) are connected, controlling means with drive arrangement (4) electric connection is so that drive arrangement (4) pass through transmission assembly (5) drive respectively first smoke guide plate (2) second smoke guide plate (3) move in step.

2. The smoke guide plate structure of the range hood according to claim 1, wherein the transmission assembly (5) comprises a first transmission member (51) and a second transmission member (52), wherein the first transmission member (51) and the second transmission member (52) are respectively disposed on a rotating shaft of the driving device (4), the first transmission member (51) is connected with the first smoke guide plate (2) through the pushing assembly (6), the second transmission member (52) is connected with the second smoke guide plate (3) through the pushing assembly (6), and the driving device (4) drives the first transmission member (51) and the second transmission member (52) to move synchronously.

3. The fume guide plate structure of the range hood according to claim 2, wherein the transmission assembly (5) is a double cam structure, and the quadrant position of the first transmission member (51) is different from the quadrant position of the second transmission member (52).

4. The smoke guide plate structure of the range hood according to claim 1, wherein the pushing assembly (6) comprises a push rod (61) and a swing arm (62), wherein the swing arm (62) is respectively disposed on the first smoke guide plate (2) and the second smoke guide plate (3), the swing arm (62) on the first smoke guide plate (2) is movably connected with one end of the transmission assembly (5) through the push rod (61), and the swing arm (62) on the second smoke guide plate (3) is movably connected with the other end of the transmission assembly (5) through the push rod (61).

5. The smoke guide plate structure of the range hood according to claim 4, wherein the pushing assembly (6) further comprises a fixed support (63), a sliding groove is formed in the fixed support (63), and the push rod (61) slides in the sliding groove.

6. The smoke guide plate structure of the range hood according to claim 5, wherein the pushing assembly (6) further comprises an elastic element (64), one end of the elastic element (64) is connected with the fixing bracket (63), and the other end of the elastic element is connected with the push rod (61) to limit the movement of the push rod (61).

7. The smoke guide plate structure of the range hood according to claim 6, wherein a positioning portion is disposed on the fixing support (63), one end of the elastic element (64) is sleeved on the positioning portion to connect the elastic element (64) with the fixing support (63), a limiting portion is disposed on the push rod (61), and the other end of the elastic element (64) is sleeved on the limiting portion to connect the elastic element (64) with the push rod (61).

8. The smoke guide plate structure of the range hood according to claim 5, wherein the push rod (61) is provided with a push rod (65) at one end close to the transmission assembly (5), and the push rod (61) is connected with the transmission assembly (5) through the push rod (65).

9. The smoke guide plate structure of the range hood according to claim 4, wherein the pushing assembly (6) further comprises a connecting rod (66) and a swing rod (67), wherein the connecting rod (66) is respectively hinged to two ends of one side of the first smoke guide plate (2) or the second smoke guide plate (3), one end of the connecting rod (66) far away from the first smoke guide plate (2) or the second smoke guide plate (3) is hinged to the range hood body (1), one end of the swing rod (67) is hinged to the range hood body (1), and the other end of the swing rod is hinged to one end of the other side of the first smoke guide plate (2) or the second smoke guide plate (3) far away from the swing arm (62).

10. The smoke guide plate structure of a range hood according to any one of claims 1 to 9, further comprising a smoke detection device, wherein the smoke detection device is disposed on the smoke machine body (1) and electrically connected to the control device.

11. A control method of a range hood, characterized in that the control method comprises the structure of the smoke deflector of the range hood as claimed in any one of claims 1 to 10, and the control method of the range hood comprises the following steps:

starting the range hood to open the first smoke guide plate and the second smoke guide plate according to an initial gear state;

detecting the oil smoke concentration conditions of the first air inlet and the second air inlet;

and comparing the oil smoke concentration of the first air inlet with the oil smoke concentration of the second air inlet, and adjusting the opening degrees of the first smoke guide plate and the second smoke guide plate according to the comparison result.

12. The control method of a range hood according to claim 11, wherein the initial gear state is that the first smoke guide plate is opened to make the first smoke guide plate in a fully opened state, and the second smoke guide plate is opened to make the second smoke guide plate in a partially opened state.

13. The control method of a range hood according to claim 12, wherein the step of comparing the oil smoke concentration at the first air inlet with the oil smoke concentration at the second air inlet and adjusting the opening degrees of the first smoke guide plate and the second smoke guide plate according to the comparison result comprises:

judging whether the oil smoke concentration of the first air inlet is greater than a preset concentration threshold value or not;

if so, judging whether the oil smoke concentration of the second air inlet is greater than the preset concentration threshold value;

if not, judging whether the oil smoke concentration of the second air inlet is larger than the preset concentration threshold value or not.

14. The control method of a range hood according to claim 13, wherein if yes, the step of determining whether the oil smoke concentration of the second air inlet is greater than the preset concentration threshold includes:

if the oil smoke concentration of the first air inlet is larger than the preset concentration threshold value;

judging whether the oil smoke concentration of the second air inlet is greater than the preset concentration threshold value or not;

if so, adjusting the opening degrees of the first smoke guide plate and the second smoke guide plate to be in a fully opened state until the range hood is closed;

if not, controlling the first smoke guide plate and the second smoke guide plate to keep the current opening degree to continuously work until the range hood is closed.

15. The control method of a range hood according to claim 13, wherein if not, the step of determining whether the oil smoke concentration of the second air inlet is greater than the preset concentration threshold value includes:

if the oil smoke concentration of the first air inlet is smaller than or equal to the preset concentration threshold value;

judging whether the oil smoke concentration of the second air inlet is greater than the preset concentration threshold value or not;

if so, adjusting the opening degree of the first smoke guide plate to be in a partially opened state, and adjusting the opening degree of the second smoke guide plate to be in a fully opened state until the range hood is closed;

if not, closing the range hood.

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