CN216976873U - Smoke exhaust ventilator and control device - Google Patents
Smoke exhaust ventilator and control device Download PDFInfo
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- CN216976873U CN216976873U CN202220630149.8U CN202220630149U CN216976873U CN 216976873 U CN216976873 U CN 216976873U CN 202220630149 U CN202220630149 U CN 202220630149U CN 216976873 U CN216976873 U CN 216976873U
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Abstract
The utility model provides a fume exhaust fan and a control device. Wherein, the control box is equipped with and holds the chamber. The control switch is arranged in the accommodating cavity, and two ends of the control switch are electrically connected with the control power supply and the fan equipment in a one-to-one correspondence manner. The non-contact switch is arranged on the outer side of the control box and is in communication connection with the control switch, so that the non-contact switch can control the control switch to be in a conducting state or a breaking state. This application is through giving non-contact's trigger signal for non-contact switch under the prerequisite with controlling means contact for non-contact switch can be the on-state or the state of opening circuit according to non-contact's trigger signal control switch, and then makes the user need not contact controlling means just can control fan equipment and start or stop, thereby has improved controlling means and oil smoke fan's security.
Description
Technical Field
The utility model relates to the field of kitchen appliances, in particular to a fume exhaust fan and a control device.
Background
The fume extracting fan can quickly pump away the waste burned by the stove and the fume harmful to human body generated in the cooking process and exhaust the fume to the outside. In order to ensure the oil fume extraction effect of the oil fume extraction fan, the traditional oil fume extraction fan is arranged above a kitchen stove. However, oil stain on the upper side and the surrounding of the kitchen stove is heavy and the environment is humid, so that electric shock accidents are easy to occur when a user operates a switch of the oil smoke exhausting fan.
SUMMERY OF THE UTILITY MODEL
Therefore, it is necessary to provide a range hood fan and a control device for solving the problem that a user is prone to electric shock accidents in the process of operating a switch of the range hood fan.
The technical scheme is as follows:
in one aspect, a control apparatus is provided, including:
the control box is provided with an accommodating cavity;
the control switch is arranged in the accommodating cavity, and two ends of the control switch are electrically connected with the control power supply and the fan equipment in a one-to-one correspondence manner; and
the non-contact switch is arranged on the outer side of the control box and is in communication connection with the control switch, so that the non-contact switch can control the control switch to be in a conducting state or a breaking state.
The technical solution is further explained below:
in one embodiment, the non-contact switch includes an infrared sensing switch panel and an infrared sensing switch panel, both of which are communicatively connected to the control switch, the infrared sensing switch panel is used to control the control switch to be in a conducting state, and the infrared sensing switch panel is used to control the control switch to be in an open state.
In one embodiment, the control device further comprises a contact switch in communication with the control switch, and the contact switch is used for controlling the control switch to be in a conducting state or a breaking state.
In one embodiment, the control device further includes a fixing member that is provided separately from the control box, and the non-contact switch and the contact switch are both fixed to the fixing member.
In one embodiment, the inner wall of the control box is provided with a wire passing hole, the control device further comprises a first wire, one end of the first wire is in communication connection with the control switch, and the other end of the first wire penetrates through the wire passing hole and is in communication connection with both the non-contact switch and the contact switch.
In one embodiment, the control device further comprises a sealing element sleeved on the outer side wall of the first lead, and the outer side wall of the sealing element is in sealing fit with the inner side wall of the wire passing hole.
In one embodiment, the control device further comprises a protection member for protecting the fan device, one end of the protection member is electrically connected with the control switch, and the other end of the protection member is electrically connected with the fan device.
In one embodiment, the control switch includes a contactor, the protection member includes a thermal relay, two ends of the contactor are electrically connected to one end of the thermal relay and the control power supply in a one-to-one correspondence, the other end of the thermal relay is electrically connected to the fan device, and the non-contact switch is configured to control the contactor to be in a conducting state or a breaking state.
In one embodiment, the control device further includes a dehumidifying element disposed in the accommodating cavity, and the dehumidifying element is used for reducing the humidity in the accommodating cavity.
On the other hand, the oil smoke exhaust fan comprises fan equipment and the control device, wherein the control device is electrically connected with the fan equipment.
When the oil smoke exhaust fan and the control device in the embodiment are used, firstly, the control switch is installed in the containing cavity, the two ends of the control switch are electrically connected with the control power supply and the fan device in a one-to-one correspondence mode, and the control switch is in communication connection with the non-contact switch, so that substances such as oil smoke, water vapor and the like can be prevented from entering the containing cavity by the outer wall of the control box, the control switch is guaranteed to be in a dry environment, and the safety of the control device and the oil smoke exhaust fan is improved. Then, when the fan device needs to be controlled to start or stop, a user can give a non-contact trigger signal to the non-contact switch on the premise of not contacting the control device (for example, the non-contact trigger signal may be a specific voice signal, a specific gesture signal, or a distance between the user and the non-contact switch is less than or equal to a preset distance, etc.), so that the non-contact switch can control the control switch to be in a conducting state or a breaking state according to the non-contact trigger signal, and the user can control the fan device to start or stop without contacting the control device, thereby improving the safety of the user using the control device and the oil smoke exhaust fan. Meanwhile, the non-contact switch is used for controlling the control switch to be in a conducting state or a circuit breaking state, so that a user does not need to be in contact with the control device in the process of using the oil fume exhaust fan, the user is prevented from touching the control device to cause food pollution, and the sanitation degree of food preparation is guaranteed. In addition, the control box can also isolate the control switch from a user, so that the user is prevented from directly touching the control switch to cause electric shock accidents, and the safety of using the oil smoke exhaust fan and the control device by the user is improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model.
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a control device according to an embodiment;
description of reference numerals:
10. a control device; 100. a control box; 110. an accommodating chamber; 120. a wire passing hole; 200. a control switch; 300. a non-contact switch; 310. the panel is opened by infrared induction; 320. an infrared induction closing panel; 400. controlling a power supply; 500. a fan device; 600. a contact switch; 700. a first conductive line; 800. a protective member; 900. direct digital control; 1000. a lampblack purifier; 1100. and (6) leading in a cable.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
As shown in fig. 1, in one embodiment, a control device 10 is provided, including a control box 100, a control switch 200, and a non-contact switch 300. Wherein the control box 100 is provided with an accommodating chamber 110. The control switch 200 is disposed in the accommodating cavity 110, and two ends of the control switch 200 are electrically connected to the control power supply 400 and the fan device 500 in a one-to-one correspondence manner. The non-contact switch 300 is disposed outside the control box 100, and the non-contact switch 300 is in communication with the control switch 200, so that the non-contact switch 300 can control the control switch 200 to be in a conducting state or a breaking state.
When the control device 10 in the above embodiment is used, firstly, the control switch 200 is installed in the accommodating cavity 110, and the two ends of the control switch 200 are electrically connected to the control power supply 400 and the fan device 500 in a one-to-one correspondence manner, and the control switch 200 is in communication connection with the non-contact switch 300, so that substances such as oil smoke, water vapor and the like can be prevented from entering the accommodating cavity 110 by the outer wall of the control box 100, thereby ensuring that the control switch 200 is in a dry environment, and improving the safety of the control device 10. Then, when the fan apparatus 500 needs to be controlled to start or stop, the user may provide a non-contact trigger signal to the non-contact switch 300 (for example, the non-contact trigger signal may be a specific voice signal, a specific gesture signal, or a distance between the user and the non-contact switch 300 is less than or equal to a preset distance) on the premise of not contacting the control device 10, so that the non-contact switch 300 can control the control switch 200 to be in a conducting state or a breaking state according to the non-contact trigger signal, and further, the user can control the fan apparatus 500 to start or stop without contacting the control device 10, thereby improving the safety of the user using the control device 10. Meanwhile, the non-contact switch 300 is used for controlling the control switch 200 to be in a conducting state or a breaking state, so that a user does not need to contact with the control device 10 in the process of using the oil smoke exhaust ventilator, the user is prevented from touching the control device 10 to cause food pollution, and the sanitation degree of food preparation is ensured. In addition, the control box 100 can isolate the control switch 200 from the user, thereby preventing the user from directly touching the control switch 200 to cause an electric shock accident, and improving the safety of the user using the control device 10.
The control box 100 may be a plastic box, a glass box, or other non-conductive box.
The control switch 200 may be a contactor or an electromagnetic valve. The control switch 200 is disposed in the accommodating cavity 110 and can be fixed on the inner wall of the accommodating cavity 110 by clamping, plugging, screwing or other fixing connection. The two ends of the control switch 200 are electrically connected to the control power source 400 and the fan device 500 in a one-to-one correspondence manner, and may be connected by wires, cables, wires or other electrically connected structures.
The non-contact switch 300 may be an infrared sensor switch, a proximity switch, a motion recognition sensor, or a voice control switch. The non-contact switch 300 is in communication connection with the control switch 200, and the non-contact switch 300 and the control switch 200 can communicate with each other only by using a data line connection, a wire connection, a bluetooth connection, a wireless network communication technology, or other connection modes.
The value of the preset distance can be flexibly adjusted according to the actual use requirement. The preset distance may be an end value interval or a specific value. For example, the predetermined distance may be 4 cm, 5 cm, 6 cm, or between 3.5 cm and 5.5 cm, etc.
As shown in FIG. 1, in one embodiment, the non-contact switch 300 includes an infrared-sensitive switch panel 310 and an infrared-sensitive switch panel 320 that are communicatively coupled to the control switch 200. The infrared sensor switch panel 310 is used to control the control switch 200 to be in a conducting state. The infrared sensing switch panel 320 is used for controlling the control switch 200 to be in an off state. Thus, the infrared sensing switch panel 310 and the infrared sensing switch panel 320 respectively control the control switch 200 to be in the on state and the off state, so as to improve the reliability and stability of the non-contact switch 300 controlling the control switch 200 to be in the on state or the off state.
Further, the infrared sensing opening panel 310 includes a first controller (not shown), a first infrared emitting head (not shown), and a first infrared receiving head (not shown) disposed corresponding to the first infrared emitting head. The first controller is in communication connection with the first infrared transmitting head and the first infrared receiving head. So, when the panel 310 interval preset distance is opened with infrared induction to human body, the infrared light of first infrared emission head transmission is through human reflection to first infrared receiving head for first infrared receiving head can feed back the signal of received infrared light to first controller, and then makes first controller can control switch 200 and be the on-state, thereby realizes that non-contact control fan equipment 500 starts.
The first controller can be a single chip microcomputer or a programmable logic controller and the like. First controller and first infrared emission head and the equal communication connection of first infrared receiving head can be through connection methods such as data line connection, wire connection, bluetooth connection or wireless network communication technology, only need make between first controller and first infrared emission head and the first infrared receiving head all can communicate.
Further, the infrared ray sensing panel 320 includes a second controller (not shown), a second infrared ray emitting head (not shown), and a second infrared ray receiving head (not shown) corresponding to the second infrared ray emitting head. The second controller is in communication connection with the second infrared transmitting head and the second infrared receiving head. So, when human and infrared induction close panel 320 interval preset distance, the infrared light of second infrared emission head transmission is through human reflection to second infrared receiving head for second infrared receiving head can feed back the signal of received infrared light to the second controller, and then makes the second controller can correspond control switch 200 and be the state of opening circuit, thereby realizes non-contact control fan equipment 500 stall.
The second controller can be a single chip microcomputer or a programmable logic controller and the like. The second controller is in communication connection with the second infrared transmitting head and the second infrared receiving head, and the second controller can be in communication with the second infrared transmitting head and the second infrared receiving head through data line connection, wire connection, Bluetooth connection or wireless network communication technology and other connection modes only by enabling the second controller to be in communication with the second infrared transmitting head and the second infrared receiving head.
As shown in FIG. 1, in one embodiment, control device 10 further includes a touch switch 600 communicatively coupled to control switch 200. Touch switch 600 is used to control switch 200 to be in a conducting state or a breaking state. In this way, both touch switch 600 and non-touch switch 300 can control switch 200 to be in the on state or the off state, thereby improving the reliability and applicability of control device 10.
The non-contact switch 300 may be disposed outside the control box 100, on an outer wall of the control box 100, or separately from the control box 100. Alternatively, the non-contact switch 300 is provided separately from the control box 100. In this way, the non-contact switch 300 can be disposed in a relatively dry position, which is beneficial to keep the control device 10 clean and improves the safety of the control device 10.
In one embodiment, the control device 10 further includes a fixing member (not shown) provided separately from the control box 100. Both the non-contact switch 300 and the contact switch 600 are fixed on the fixing member. In this way, non-contact switch 300 and contact switch 600 are both mounted and fixed by a fixing member provided separately from control box 100, and convenience and applicability of mounting control device 10 are improved. In addition, non-contact switch 300 and contact switch 600 are both disposed on the stationary member, thereby facilitating the user's operation.
The fixing member may be a fixing plate, a fixing seat, a fixing frame or other fixing structures.
As shown in fig. 1, further, the inner wall of the control box 100 is provided with a wire passing hole 120. The control device 10 further comprises a first conductor 700. One end of the first wire 700 is communicatively connected to the control switch 200. The other end of first wire 700 passes through wire passage hole 120 and is connected in communication with both non-contact switch 300 and contact switch 600. In this way, non-contact switch 300 and contact switch 600 can be in communication connection with control switch 200 through first conducting wire 700, so that non-contact switch 300 and contact switch 600 can be stably and reliably communicated with control switch 200, and reliability and stability of control device 10 are improved.
Alternatively, the other end of first wire 700 is provided with a first connection portion for communication connection with touch switch 600, and a second connection portion for communication connection with non-touch switch 300. In this way, both touch switch 600 and non-touch switch 300 can independently control switch 200 to be in the on state or the off state, and the reliability of control device 10 is improved.
The number of the wire through holes 120 can be flexibly adjusted or designed according to the actual use requirement. For example, the number of wire through holes 120 may be one, two, three, four, etc.
Optionally, the number of the wire through holes 120 is at least three, and the control device 10 further includes a second conductive wire and a third conductive wire. The second wire is used to electrically connect the control power supply 400 with the control switch 200. The third wire is used to electrically connect the control switch 200 with the blower device 500. The first conductive line 700, the second conductive line and the third conductive line correspondingly pass through the at least three line through holes 120. In this way, the control power supply 400 and the fan device 500 are mounted on the outer side of the control box 100, which facilitates the mounting and maintenance of the control power supply 400 and the fan device 500.
The number of the wire through holes 120 may also be one. The first conductive line 700, the second conductive line and the third conductive line all pass through the same line passing hole 120. In this manner, the processing of the control box 100 is facilitated.
The control device 10 further includes a fourth wire electrically connected to the direct digital controller 900, a fifth wire electrically connected to the lampblack purifier 1000, and an incoming cable 1100. The fourth wire, the fifth wire and the incoming cable 1100 can pass through the wire passing hole 120. Thus, the connection switch or the connector between the components can be arranged in the accommodating cavity 110, thereby improving the safety of the control device 10 and the range hood (not shown).
In one embodiment, the control device 10 further comprises a sealing member (not shown) disposed on an outer sidewall of the first conductive wire 700. The outer sidewall of the seal is in sealing engagement with the inner sidewall of the wire passing hole 120. Therefore, the first wire 700 is in sealing fit with the wire passing hole 120 by using a sealing element, so that oil smoke, water vapor and the like outside the control box 100 cannot pass through the wire passing hole 120 and enter the accommodating cavity 110, the accommodating cavity 110 is always in a dry state, and the safety of the control device 10 and the oil smoke exhaust fan is improved.
The sealing element may be a sealing ring or a sealing sleeve, and only the first wire 700 and the wire passing hole 120 need to be in sealing fit with each other through the sealing element.
As shown in fig. 1, in one embodiment, the control device 10 further comprises a protection member 800 for protecting the fan apparatus 500. One end of the protector 800 is electrically connected to the control switch 200. The other end of the protector 800 is electrically connected to the fan apparatus 500. Thus, the fan device 500 is protected by the protection member 800, and the safety of the fan device 500 and the oil smoke exhaust fan is improved.
Wherein, protection piece 800 can be structures such as thermal relay or fuse, only need can to fan equipment 500 play the guard action can.
Further, the control switch 200 includes a contactor. The protector 800 includes a thermal relay. Both ends of the contactor are electrically connected to one end of the thermal relay and the control power supply 400 in a one-to-one correspondence. The other end of the thermal relay is electrically connected to the fan apparatus 500. The contactless switch 300 is used to control the contactor to be in a conducting state or an open state. So, when fan equipment 500 starts need to be controlled, non-contact switch 300 control contactor is the conducting state for be connected electrically between control power supply 400 and fan equipment 500, thereby make the oil smoke pumping fan can normally work. In addition, the current flowing into the fan device 500 generates heat, so that the bimetallic strips with different expansion coefficients in the thermal relay deform, and when the deformation reaches a certain distance, the thermal relay is disconnected, so that the contactor loses power, the main circuit is disconnected, and the overload protection of the fan device 500 is realized.
In one embodiment, the control device 10 further comprises a dehumidifying element (not shown) disposed in the accommodating chamber 110. The dehumidifying part serves to reduce the humidity within the accommodating chamber 110. Therefore, the humidity in the accommodating cavity 110 is reduced through the dehumidifying part, so that the drying environment is always kept in the accommodating cavity 110, and the safety of the control device 10 and the oil fume exhaust fan is improved.
The dehumidifying element may be a desiccant or a dehumidifier, and the like, and only the humidity in the accommodating cavity 110 needs to be reduced.
On the other hand, a smoke exhaust ventilator is provided, which includes a ventilator device 500 and the control device 10 in any of the above embodiments, and the control device 10 is electrically connected to the ventilator device 500.
When the smoke exhaust ventilator in the above embodiment is used, firstly, the control switch 200 is installed in the accommodating cavity 110, and the two ends of the control switch 200 are electrically connected to the control power supply 400 and the ventilator device 500 in a one-to-one correspondence manner, and the control switch 200 is in communication connection with the non-contact switch 300, so that the outer wall of the control box 100 can block substances such as oil smoke and water vapor from entering the accommodating cavity 110, thereby ensuring that the control switch 200 is in a dry environment, and improving the safety of the control device 10 and the smoke exhaust ventilator. Then, when the fan device 500 needs to be controlled to start or stop, a user may provide a non-contact trigger signal to the non-contact switch 300 (for example, the non-contact trigger signal may be a specific voice signal, a specific gesture signal, or a distance between the user and the non-contact switch 300 is less than or equal to a preset distance) on the premise of not contacting the control device 10, so that the non-contact switch 300 can control the control switch 200 to be in an on state or an off state according to the non-contact trigger signal, and further, the user can control the fan device 500 to start or stop without contacting the control device 10, thereby improving safety of the user using the control device 10 and the range hood fan. Meanwhile, the non-contact switch 300 is used for controlling the control switch 200 to be in a conducting state or a breaking state, so that a user does not need to contact with the control device 10 in the process of using the oil smoke exhaust ventilator, the user is prevented from touching the control device 10 to cause food pollution, and the sanitation degree of food preparation is ensured. In addition, the control box 100 can also isolate the control switch 200 from the user, so that electric shock accidents caused by the fact that the user directly touches the control switch 200 are prevented, and the safety of the user in using the oil smoke exhaust fan is improved.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
It should also be understood that in explaining the connection relationship or the positional relationship of the elements, although not explicitly described, the connection relationship and the positional relationship are interpreted to include an error range which should be within an acceptable deviation range of a specific value determined by those skilled in the art. For example, "about", "approximately" or "substantially" may mean within one or more standard deviations, and is not limited thereto.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A control device, comprising:
the control box is provided with an accommodating cavity;
the control switch is arranged in the accommodating cavity, and two ends of the control switch are electrically connected with the control power supply and the fan equipment in a one-to-one correspondence manner; and
the non-contact switch is arranged on the outer side of the control box and is in communication connection with the control switch, so that the non-contact switch can control the control switch to be in a conducting state or a breaking state.
2. The control device as claimed in claim 1, wherein the non-contact switch includes an infrared sensing switch panel and an infrared sensing switch panel, the infrared sensing switch panel is communicatively connected to the control switch, the infrared sensing switch panel is used for controlling the control switch to be in a conducting state, and the infrared sensing switch panel is used for controlling the control switch to be in an off state.
3. The control device of claim 1, further comprising a contact switch communicatively coupled to the control switch, the contact switch configured to control the control switch to assume one of an on state and an off state.
4. The control device of claim 3, further comprising a fixing member detachably disposed from the control box, wherein the non-contact switch and the contact switch are fixed to the fixing member.
5. The control device of claim 3, wherein the inner wall of the control box is provided with a wire passing hole, the control device further comprises a first wire, one end of the first wire is in communication connection with the control switch, and the other end of the first wire passes through the wire passing hole and is in communication connection with both the non-contact switch and the contact switch.
6. The control device of claim 5, further comprising a sealing member disposed around an outer sidewall of the first conductor, wherein an outer sidewall of the sealing member is in sealing engagement with an inner sidewall of the wire passage hole.
7. The control device according to any one of claims 1 to 6, further comprising a protector for protecting the fan apparatus, one end of the protector being electrically connected to the control switch, and the other end of the protector being electrically connected to the fan apparatus.
8. The control device of claim 7, wherein the control switch comprises a contactor, the protection member comprises a thermal relay, two ends of the contactor are electrically connected to one end of the thermal relay and the control power supply in a one-to-one correspondence, the other end of the thermal relay is electrically connected to the fan apparatus, and the non-contact switch is configured to control the contactor to be in a conducting state or a breaking state.
9. The control device of any one of claims 1 to 6, further comprising a moisture removal member disposed within the receiving chamber, the moisture removal member configured to reduce the humidity within the receiving chamber.
10. A cooking fume extraction fan comprising fan apparatus and a control device as claimed in any one of claims 1 to 9, the control device being electrically connected to the fan apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220630149.8U CN216976873U (en) | 2022-03-22 | 2022-03-22 | Smoke exhaust ventilator and control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220630149.8U CN216976873U (en) | 2022-03-22 | 2022-03-22 | Smoke exhaust ventilator and control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216976873U true CN216976873U (en) | 2022-07-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220630149.8U Active CN216976873U (en) | 2022-03-22 | 2022-03-22 | Smoke exhaust ventilator and control device |
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| Country | Link |
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| CN (1) | CN216976873U (en) |
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- 2022-03-22 CN CN202220630149.8U patent/CN216976873U/en active Active
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