CN212081379U - Smoke exhaust ventilator - Google Patents
Smoke exhaust ventilator Download PDFInfo
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- CN212081379U CN212081379U CN202020819661.8U CN202020819661U CN212081379U CN 212081379 U CN212081379 U CN 212081379U CN 202020819661 U CN202020819661 U CN 202020819661U CN 212081379 U CN212081379 U CN 212081379U
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Abstract
The utility model provides a range hood, which relates to the technical field of kitchen appliances and comprises a host machine, and an air duct system and a control system which are both arranged on the host machine, wherein the air duct system comprises a motor; the control system is used for controlling the starting and stopping and the rotating speed of the motor, and can monitor the resistance of smoke exhaust to the public flue; the control system comprises a plurality of speed-regulating capacitors, and when different speed-regulating capacitors work, the rotating speeds of the motors are different; or the control system comprises a speed regulating capacitor, the speed regulating capacitor is a multi-capacitance value capacitor, and when the multi-capacitance value capacitor works at different capacitance values, the rotating speeds of the motor are different. The utility model provides a range hood can be according to the size to public flue resistance of discharging fume, switches the speed governing electric capacity of participating in work or switches the work capacitance value of many appearance value electric capacities, and then the rotational speed of accommodate motor to guarantee the smoking effect of range hood in whole use.
Description
Technical Field
The utility model belongs to the technical field of the kitchen appliance technique and specifically relates to a range hood is related to.
Background
The range hood has become one of indispensable kitchen appliances in modern families, and along with the development of science and technology and the improvement of living standard, people also have higher and higher requirements for the performance of range hood.
In life, the oil smoke of each house is usually discharged to a common flue through a smoke pipe and then discharged to the atmosphere from the common flue. In different time periods, because the number of users who smoke exhaust through the common flue is different, the resistance of the common flue to the range hood is different, and the smoking effect of the range hood is greatly different. In the prior art, the non-variable frequency range hood cannot guarantee the smoking effect under different smoke discharge pressures, and the variable frequency range hood is too expensive in price and cannot meet the requirements of users.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a range hood to alleviate the non-frequency conversion range hood that exists among the prior art and can't guarantee the smoking effect under the pressure of discharging fume of difference, frequency conversion range hood's price is too expensive again, the problem of all unable user's demand of satisfying.
The utility model provides a range hood, which comprises a host machine, and an air duct system and a control system which are both arranged on the host machine, wherein the air duct system comprises a motor; the control system is used for controlling the starting, the stopping and the rotating speed of the motor, and can monitor the resistance of smoke exhaust to the public flue;
the control system comprises a plurality of speed-regulating capacitors, and when different speed-regulating capacitors work, the rotating speeds of the motors are different; or the control system comprises a speed regulating capacitor, the speed regulating capacitor is a multi-capacitance value capacitor, and when the multi-capacitance value capacitor works at different capacitance values, the rotating speeds of the motor are different.
Furthermore, the number of the speed regulation capacitors is two, and the two speed regulation capacitors are respectively a first capacitor and a second capacitor;
when the first capacitor works, the rotating speed of the motor is n1；
When the second capacitor works, the rotating speed of the motor is n2And n is2Greater than n1。
Furthermore, the control system also comprises a control board, the speed-regulating capacitor is connected with the control board, and the control board can monitor the magnitude of the current I flowing through the motor;
when I is less than I1When the first capacitor works, the control panel controls the first capacitor to work;
when I is greater than I1When the second capacitor works, the control panel controls the second capacitor to work;
when I is equal to I1When the voltage is higher than the preset voltage, the control panel does not switch the speed regulation capacitor participating in the work, wherein I1To set the current value.
Further, the speed regulating capacitor is a double-capacitance capacitor, and the double-capacitance capacitor has a first capacitance value and a second capacitance value;
when the double-capacitance capacitor works at the first capacitance value, the rotating speed of the motor is n1；
When the double-capacitance capacitor works at the second capacitance value, the rotating speed of the motor is n2And n is2Greater than n1。
Furthermore, the control system also comprises a control board, the double-capacitance-value capacitor is connected with the control board, and the control board can monitor the magnitude of the current I flowing through the motor;
when I is less than I1When the double-capacitance capacitor works, the control panel controls the double-capacitance capacitor to work at a first capacitance value;
when I is greater than I1When the double-capacitance capacitor works, the control panel controls the double-capacitance capacitor to work at a second capacitance value;
when I is equal to I1When the voltage is higher than the preset voltage, the control board does not switch the working capacitance value of the double-capacitance-value capacitor, wherein I1To set the current value.
Further, the motor is a single-phase capacitor running asynchronous motor.
Furthermore, the air duct system also comprises an air duct and an impeller, the impeller is in transmission connection with the motor, and the impeller is used for sucking the oil smoke into the air duct from an air inlet of the air duct;
the air outlet of the air flue can be connected with a smoke pipe, and the smoke pipe is used for connecting the range hood and the public flue.
Further, the impeller is arranged close to the air inlet.
Further, the control system and the air outlet are arranged on the same side of the main body.
Further, the control system and the smoke collecting hood of the range hood are respectively arranged on two opposite sides of the main body.
The utility model provides a range hood can produce following beneficial effect:
the utility model provides a range hood, which comprises a host machine, an air duct system and a control system, wherein the air duct system and the control system are both arranged on the host machine; the control system is used for controlling the starting and stopping and the rotating speed of the motor, and can monitor the resistance of smoke exhaust to the public flue; the control system comprises a plurality of speed-regulating capacitors, and when different speed-regulating capacitors work, the rotating speeds of the motors are different; or the control system comprises a speed regulating capacitor, the speed regulating capacitor is a multi-capacitance value capacitor, and when the multi-capacitance value capacitor works at different capacitance values, the rotating speeds of the motor are different.
The utility model provides a range hood can be according to the size to public flue resistance of discharging fume, switches the speed governing electric capacity of participating in work or switches the work capacitance value of many appearance value electric capacities, and then the rotational speed of accommodate motor to guarantee the smoking effect of range hood in whole use.
In addition, the range hood can be modified on the basis of a non-variable frequency range hood, and the modification scale is small, so the cost is low.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of a connection between a range hood and a common flue provided by an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a range hood provided by an embodiment of the present invention;
fig. 3 is a schematic structural view of an air duct system of a range hood provided in an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a control panel of a range hood provided in an embodiment of the present invention;
fig. 5 is a schematic structural view of a speed-adjusting capacitor of a range hood provided in an embodiment of the present invention.
Icon:
010-kitchen ventilator; 020-smoke tube; 030-common flue;
100-a host;
200-an air duct system; 210-an air duct; 220-an impeller; 230-a motor;
300-a control system; 310-a control panel; 320-speed regulating capacitor;
400-smoke collecting hood.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "inside" and "outside" are used for indicating the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the utility model is usually placed when using, and are only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; either mechanically or electrically. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
Example one
Fig. 1 is a schematic view of the range hood provided in this embodiment connected to a common flue, fig. 2 is a schematic view of a structure of the range hood provided in this embodiment, fig. 3 is a schematic view of a structure of an air duct system of the range hood provided in this embodiment, fig. 4 is a schematic view of a control board of the range hood provided in this embodiment, and fig. 5 is a schematic view of a structure of a speed-adjusting capacitor of the range hood provided in this embodiment.
As shown in fig. 1 to 5, the range hood 010 includes a main unit 100, and an air duct system 200 and a control system 300 both disposed on the main unit 100, wherein the air duct system 200 includes a motor 230; the control system 300 is used for controlling the starting, stopping and rotating speed of the motor 230, and the control system 300 can monitor the resistance of smoke exhaust to the public flue 030; the control system 300 includes a plurality of timing capacitors 320, and the rotational speed of the motor 230 is different when different timing capacitors 320 are operated.
The range hood 010 provided by this embodiment can switch the speed-adjusting capacitor 320 participating in the work according to the smoke resistance of the common flue 030, and further adjust the rotation speed of the motor 230, so as to ensure the smoking effect of the range hood 010 in the whole using process.
In addition, the range hood 010 can be modified on the basis of a non-variable frequency range hood, and the modification scale is small, so the cost is low.
Specifically, in this embodiment, the number of the speed-adjusting capacitors 320 is two, and the two speed-adjusting capacitors 320 are respectively a first capacitor and a second capacitor; when the first capacitor is operated, the rotation speed of the motor 230 is n1(ii) a When the second capacitor is operated, the rotation speed of the motor 230 is n2And n is2Greater than n1。
Specifically, in the present embodiment, the control system 300 further includes a control board 310, the speed-adjusting capacitor 320 is connected to the control board 310, and the control board 310 can monitor the magnitude of the current I flowing through the motor 230; when I is less than I1Meanwhile, the control board 310 controls the first capacitor to work; when I is greater than I1Meanwhile, the control board 310 controls the second capacitor to work; when I is equal to I1At this time, the control board 310 does not switch the speed-adjusting capacitor 320, wherein I1To set the current value. The control board 310 monitors the resistance of smoke discharged to the public flue 030 by monitoring the magnitude of current flowing through the motor 230, because of smoke discharged to the public flueThe greater the resistance to smoke extraction of the tract 030, the greater the load on the motor 230 and the greater the current flowing through the motor 230.
It should be noted here that in other embodiments of the present application, the control board 310 is not limited to monitoring the smoke evacuation resistance by monitoring the current flowing through the motor 230, for example: the control board 310 may also monitor the smoke evacuation resistance by monitoring the rotational speed of the motor 230. Neither monitoring the current flowing through the motor 230 nor detecting the rotation speed of the motor 230 is a mature prior art, and the present application does not make any improvement to this, and those skilled in the art are fully capable of finding or implementing the related technology, so that the present application is not described in detail herein.
In this embodiment, the control board 310 monitors the magnitude of the current flowing through the motor 230 in real time, and can switch the speed-adjusting capacitor 320 participating in the work according to the magnitude of the current, thereby adjusting the rotation speed of the motor 230, realizing the intelligent adjustment based on the smoke discharge resistance, and the range hood 010 has low cost, thereby greatly improving the product competitiveness and the market share of the range hood 010.
The range hood provided by the embodiment sets the current value I1The switching of the speed-adjusting capacitor 320 is performed for the limit value of the current flowing through the motor 230, so as to adjust the rotation speed of the motor 230, thereby ensuring the smoking effect. Specifically, when the resistance to smoke exhaust to the common flue 030 is small, the load of the motor 230 is small, and the current flowing through the motor 230 is smaller than I1Relatively small, the control board 310 controls the first capacitor to operate, thereby operating the motor 230 at a lower speed n1The motor 230 has low rotating speed and low noise; when the resistance of the smoke discharged to the common flue 030 is large, the load of the motor 230 is large, and the current flowing through the motor 230 is larger than I1And is relatively large, the control board 310 controls the second capacitor to operate, thereby operating the motor 230 at a higher rotation speed n2Further, the maximum static pressure and smoke absorption effect of the range hood 010 can be improved; when the current flowing through the motor 230 is equal to I1In this case, the control board 310 does not switch the speed-adjusting capacitor 320 involved in the operation, that is, the operating speed-adjusting capacitor 320 may continue to operate.
It should be noted that in other embodiments of the present application, the number of the tuning capacitors 320 is not limited to two, for example: the number of the speed-adjusting capacitors 320 may also be three, specifically, the three speed-adjusting capacitors 320 are respectively a first capacitor, a second capacitor and a third capacitor, and when the first capacitor works, the rotation speed of the motor 230 is n1(ii) a When the second capacitor is operated, the rotation speed of the motor 230 is n2(ii) a When the third capacitor is operated, the rotation speed of the motor 230 is n3And n is3Greater than n2，n2Greater than n1。
Accordingly, in other embodiments of the present application, two set current values I may be provided2And I3And I is3Is greater than I2(ii) a When I is less than I2Meanwhile, the control board 310 controls the first capacitor to work; when I is greater than I2And is less than I3Meanwhile, the control board 310 controls the second capacitor to work; when I is greater than I3Meanwhile, the control board 310 controls the third capacitor to work; when I is equal to I2Or I is equal to I3At this time, the control board 310 does not switch the speed-adjusting capacitor 320 involved in the operation. So set up and make motor 230 can work at more different rotational speeds to adapt to different resistance of discharging fume, be favorable to improving the effect of discharging fume, also be favorable to reducing the energy consumption. Of course, the number of the speed-adjusting capacitors 320 may also be other numbers, and related personnel may perform specific setting according to specific requirements, which is not limited in this application.
Specifically, in the present embodiment, the motor 230 is a single-phase capacitor running asynchronous motor.
Specifically, in this embodiment, as shown in fig. 1 and fig. 3, the air duct system 200 further includes an air duct 210 and an impeller 220, the impeller 220 is in transmission connection with a motor 230, and the impeller 220 is used for sucking oil smoke into the air duct 210 from an air inlet of the air duct 210; the air outlet of the air duct 210 can be connected with a smoke tube 020, and the smoke tube 020 is used for connecting a range hood 010 and a public flue 030.
Specifically, in the present embodiment, the impeller 220 is disposed near the air inlet.
Specifically, in the embodiment, as shown in fig. 2, the control system 300 and the air outlet are disposed on the same side of the host 100.
Specifically, in this embodiment, as shown in fig. 2, the control system 300 and the smoke collecting hood 400 of the range hood 010 are respectively installed on two opposite sides of the main machine 100. The temperature of the oil smoke at the smoke collecting cover 400 is relatively high, and the control system 300 is arranged at a position far away from the smoke collecting cover 400, so that the adverse effect of high temperature on the control system 300 can be reduced, and the control system 300 is protected.
Example two
The present embodiment also provides a range hood 010, and the range hood 010 provided in the present embodiment and the range hood 010 provided in the first embodiment are different in that: the control system 300 includes a speed-adjusting capacitor 320, and the speed-adjusting capacitor 320 is a multi-capacitance capacitor, and when the multi-capacitance capacitor operates at different capacitance values, the rotation speed of the motor 230 is different.
The range hood 010 that this embodiment provided can switch the working capacitance value of many appearance value electric capacity according to the size to the resistance of discharging fume of public flue 030, and then adjusts the rotational speed of motor 230 to guarantee the smoking effect of range hood 010 in whole use.
Specifically, in the present embodiment, the speed-adjusting capacitor 320 is a dual-capacitance capacitor, and the dual-capacitance capacitor has a first capacitance and a second capacitance; when the dual-capacitance capacitor operates at the first capacitance, the rotation speed of the motor 230 is n1(ii) a When the dual-capacitance capacitor operates at the second capacitance, the rotation speed of the motor 230 is n2And n is2Greater than n1。
Specifically, in the present embodiment, the dual-capacitance capacitor is connected to the control board 310, and when I is smaller than I1Meanwhile, the control board 310 controls the dual-capacitance capacitor to work at the first capacitance value; when I is greater than I1Meanwhile, the control board 310 controls the dual-capacitance capacitor to work at the second capacitance value; when I is equal to I1At this time, the control board 310 does not switch the working capacitance of the dual-capacitance capacitor, wherein I1To set the current value.
It should be noted that, in other embodiments of the present application, the multi-capacitance capacitor is not limited to a dual-capacitance capacitor, for example: the multi-capacitance capacitor can also be a three-capacitance capacitor, specifically, the three-capacitance capacitor has a first capacitance value and a second capacitance valueA capacitance value and a third capacitance value, when the three-capacitance capacitor works at the first capacitance value, the rotation speed of the motor 230 is n1(ii) a When the three-capacitance capacitor operates at the second capacitance, the rotation speed of the motor 230 is n2(ii) a When the three-capacitance capacitor operates at the third capacitance, the rotation speed of the motor 230 is n3And n is3Greater than n2，n2Greater than n1。
Accordingly, in other embodiments of the present application, two set current values I may be provided2And I3And I is3Is greater than I2(ii) a When I is less than I2Meanwhile, the control board 310 controls the three-capacitance capacitor to work at the first capacitance value; when I is greater than I2And is less than I3Meanwhile, the control board 310 controls the three-capacitance capacitor to work at the second capacitance value; when I is greater than I3Meanwhile, the control board 310 controls the three-capacitance-value capacitor to work at a third capacitance value; when I is equal to I2Or I is equal to I3At this time, the control board 310 does not switch the working capacitance of the three-capacitance capacitor. So set up equally can make motor 230 work at more different rotational speeds to adapt to different resistance of discharging fume, and then be favorable to improving the effect of discharging fume, also be favorable to reducing the energy consumption. Of course, the multi-capacitance-value capacitor may have more capacitance values, and related personnel may perform specific setting according to specific requirements, which is not limited in this application.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A range hood is characterized by comprising a main machine (100), and an air duct system (200) and a control system (300) which are arranged on the main machine (100), wherein the air duct system (200) comprises a motor (230); the control system (300) is used for controlling the starting, stopping and rotating speed of the motor (230), and the control system (300) can monitor the resistance of smoke exhaust to the public flue (030);
the control system (300) comprises a plurality of speed regulating capacitors (320), and when different speed regulating capacitors (320) work, the rotating speeds of the motors (230) are different; or, the control system (300) comprises a speed regulating capacitor (320), the speed regulating capacitor (320) is a multi-capacitance value capacitor, and when the multi-capacitance value capacitor works at different capacitance values, the rotating speeds of the motor (230) are different.
2. The range hood according to claim 1, wherein the number of the speed-regulating capacitors (320) is two, and the two speed-regulating capacitors (320) are respectively a first capacitor and a second capacitor;
when the first capacitor works, the rotating speed of the motor (230) is n1；
When the second capacitor works, the rotating speed of the motor (230) is n2And n is2Greater than n1。
3. The range hood according to claim 2, wherein the control system (300) further comprises a control board (310), the variable capacitor (320) is connected to the control board (310), and the control board (310) is capable of monitoring the magnitude of the current I flowing through the motor (230);
when I is less than I1When the first capacitor works, the control board (310) controls the first capacitor to work;
when I is greater than I1When the second capacitor works, the control board (310) controls the second capacitor to work;
when I is equal to I1When the speed regulation capacitor (320) is not switched by the control board (310), wherein I1To set the current value.
4. The range hood of claim 1, wherein the timing capacitor (320) is a double-capacitance capacitor having a first capacitance value and a second capacitance value;
when the double-capacitance capacitor works at the first capacitance value, the rotating speed of the motor (230) is n1；
When the double-capacitance capacitor works at the second capacitance value, the rotating speed of the motor (230) is n2And n is2Greater than n1。
5. The range hood according to claim 4, wherein the control system (300) further comprises a control board (310), the double-capacitance capacitor is connected with the control board (310), and the control board (310) can monitor the magnitude of the current I flowing through the motor (230);
when I is less than I1When the double-capacitance capacitor works, the control board (310) controls the double-capacitance capacitor to work at a first capacitance value;
when I is greater than I1When the double-capacitance capacitor works, the control board (310) controls the double-capacitance capacitor to work at a second capacitance value;
when I is equal to I1While the control board (310) does not switch the working capacitance value of the double-capacitance-value capacitor, wherein I1To set the current value.
6. The range hood according to any one of claims 1 to 5, wherein the motor (230) is a single-phase capacitor-run asynchronous motor.
7. The range hood according to any one of claims 1-5, wherein the air duct system (200) further comprises an air duct (210) and an impeller (220), the impeller (220) is in transmission connection with the motor (230), and the impeller (220) is used for sucking oil smoke into the air duct (210) from an air inlet of the air duct (210);
the air outlet of the air channel (210) can be connected with a smoke tube (020), and the smoke tube (020) is used for connecting the range hood (010) and the common flue (030).
8. The range hood of claim 7, wherein the impeller (220) is disposed proximate to the air inlet.
9. The range hood according to claim 7, wherein the control system (300) and the air outlet are disposed on the same side of the main body (100).
10. The range hood according to any one of claims 1 to 5, wherein the control system (300) and the smoke collecting hood (400) of the range hood (010) are respectively installed at two opposite sides of the main machine (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020819661.8U CN212081379U (en) | 2020-05-15 | 2020-05-15 | Smoke exhaust ventilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020819661.8U CN212081379U (en) | 2020-05-15 | 2020-05-15 | Smoke exhaust ventilator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212081379U true CN212081379U (en) | 2020-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020819661.8U Active CN212081379U (en) | 2020-05-15 | 2020-05-15 | Smoke exhaust ventilator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212081379U (en) |
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2020
- 2020-05-15 CN CN202020819661.8U patent/CN212081379U/en active Active
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