CN210107513U

CN210107513U - Fume exhaust fan

Info

Publication number: CN210107513U
Application number: CN201920570768.0U
Authority: CN
Inventors: 任树栋; 何海浪
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2019-04-24
Filing date: 2019-04-24
Publication date: 2020-02-21
Anticipated expiration: 2029-04-24

Abstract

The utility model relates to a range hood, including the base member, set up lighting device, the control circuit board in the base member, lighting device is connected with the control circuit board electricity, lighting device includes LED lamp, actuating mechanism, drive mechanism, LED lamp, actuating mechanism are connected with the control circuit board electricity respectively, drive mechanism connects the drive end at actuating mechanism, the transmission of LED lamp is connected on drive mechanism and can reciprocate for the front panel extending direction of base member, the front panel is corresponding to the removal scope printing opacity setting of LED lamp, still be provided with the temperature sensor who is connected with the control circuit board electricity on the base member. The utility model provides a range hood can go up and down according to the LED lamp on the temperature control range hood to avoid the damage to the LED lamp or to LED lamp life's influence.

Description

Fume exhaust fan

Technical Field

The utility model relates to a range hood.

Background

An illumination lamp is generally installed on the range hood to illuminate during cooking. Chinese utility model patent "range hood and LED lamp" as authorizing the bulletin number CN207661510U (application number is 201721239616.X), range hood LED lamp wherein disclose, including lamp stand, lamp plate and light-passing board, the lamp stand is equipped with diapire and lateral wall, the diapire with synthetic holding chamber is enclosed to the lateral wall, synthetic first opening is enclosed at the edge of lateral wall, first opening with the diapire relative and with the holding chamber is linked together, the lamp plate set up in the holding intracavity just is fixed in on the diapire, the lamp plate is equipped with at least one lamp pearl, the light-passing board is located first opening seals through the ultrasonic wave butt fusion first opening. Range hood LED lamp, because adopt the sealed mode of ultrasonic wave butt fusion to connect between lamp stand and the light-passing board, so sealed effect between lamp stand and the light-passing board is better, first opening is sealed completely, so the oil smoke in the kitchen can not ooze into the holding chamber of lamp stand and lead to the lamp pearl not bright, is favorable to prolonging the life of range hood LED lamp. However, the LED lamp in the range hood is fixedly arranged on the range hood, and in the using process of the range hood, the lamp is as close as possible to the table top of the kitchen range in order to obtain the irradiation effect of the lamp, so that the LED lamp is close to the fire source due to the limitation of the height of a cabinet or the operation in cooking, and the possibility that the LED lamp is damaged by the fire source of the kitchen range exists.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a can go up and down according to the LED lamp on the temperature control range hood is provided to above-mentioned prior art to avoid the range hood to the damage of LED lamp or to LED lamp life's influence.

The utility model provides a technical scheme that above-mentioned problem adopted does: the utility model provides a range hood, includes the base member, sets up lighting device, the control circuit board in the base member, lighting device is connected its characterized in that with the control circuit board electricity: the LED lamp driving device comprises an LED lamp, a driving mechanism and a transmission mechanism, wherein the LED lamp and the driving mechanism are respectively electrically connected with a control circuit board, the transmission mechanism is connected at a driving end of the driving mechanism, the LED lamp is connected to the transmission mechanism in a transmission mode and can move up and down relative to the extending direction of a front panel of a base body, the front panel is arranged corresponding to the moving range of the LED lamp in a light transmission mode, a temperature sensor electrically connected with the control circuit board is further arranged on the base body, and the temperature sensor is used for accurately reflecting the temperature born by the current LED lamp and accurately determining the moving height of the LED lamp and is arranged at the lower part of the base body.

In order to ensure the moving reliability of the LED lamp, a guide rail is arranged on the front panel, close to the base body, in the base body, a guide groove is formed in the guide rail, and the LED lamp is movably limited in the guide groove.

In order to ensure a good illuminating effect as far as possible on the basis that the LED lamp is far away from a heat source, the guide rail is bent backwards relative to the front panel of the base body, and the section of the guide rail is V-shaped.

Simply, actuating mechanism is the motor, drive mechanism includes the lead screw, can rotate the slider, the connecting piece of connection between slider and LED that the cover is established on the lead screw, the lead screw is connected at the drive end of motor.

In order to ensure that the LED lamp can always ensure the optimal irradiation angle in the moving process, the connecting piece comprises a first connecting part fixedly connected to the sliding block and a second connecting part fixedly connected to the LED lamp, and the second connecting part is rotatably connected to the second connecting part.

In order to guarantee the smoothness of the LED lamp in the moving process, the first end of the first connecting portion is arranged on the sliding block in a penetrating mode, the second end of the first connecting portion is provided with a limiting block connected with the second connecting portion in a rotating mode, a spring is sleeved outside the first connecting portion, the first end of the spring is abutted to the sliding block, and the second end of the spring is abutted to the limiting block.

Preferably, the lighting devices are arranged in two groups, and the two groups of lighting devices are distributed on two sides of the base body.

Conveniently, dismouting ground, the base member includes the main part and matches the housing that sets up in the main part both sides, lighting device sets up in the housing.

Simply, the setting of the removal scope opening corresponding to the LED lamp on the preceding lateral wall of housing, the adaptation is provided with ability printing opacity panel on the preceding lateral wall of housing.

Aesthetically, the light-transmitting panel is flush with the front panel of the main body.

Compared with the prior art, the utility model has the advantages of: the utility model provides a range hood has been provided with the particular case that the temperature that the LED lamp that temperature sensor was used for detecting the range hood and goes up the installation influenced by the temperature, and then can reciprocate through actuating mechanism, drive mechanism's cooperation drive LED lamp to make the LED lamp can remove to on the basis of the illuminating effect who guarantees the LED lamp, avoid or reduce the position of culinary art temperature to the influence of LED lamp, so can effectively promote the life of LED lamp, the illumination that also can not influence the LED lamp simultaneously is used.

Drawings

Fig. 1 is a perspective view of the range hood in the embodiment of the present invention.

Fig. 2 is a sectional view of the range hood in the embodiment of the present invention.

Fig. 3 is an exploded perspective view of the range hood according to the embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 3, the range hood in this embodiment includes a base 1, and a lighting device, a control circuit board, and a temperature sensor 4 disposed in the base 1.

Wherein base member 1 includes main part 11 and matches and install housing 12 in main part 11 both sides, and main part 11 then with the main part 11 structure of range hood among the prior art, includes structures such as collection petticoat pipe, fender cigarette board, fan system and air-out cover promptly. And the housings 12 at both sides of the body 11 are formed as independent spaces, respectively. The lighting devices in this embodiment are provided in two sets, and the lighting devices are provided in the space of the housing 12, that is, one set of lighting devices is provided in each housing 12. When the lighting device is used, if the lighting device breaks down, the cover 12 can be directly opened to maintain the lighting device, the operation space is large, and the maintenance is convenient.

The control circuit board in this embodiment is disposed in the main body 11 as in the prior art. The lighting device in the embodiment comprises an LED lamp 2, a driving mechanism 3 and a transmission mechanism, wherein the driving mechanism 3 adopts a motor, and the motor is fixedly arranged on the side wall of a housing 12. The LED lamp 2 and the driving mechanism 3 are respectively electrically connected with the control circuit board, the control circuit board supplies power to the LED lamp 2 and the driving mechanism 3 on the one hand, and controls the LED lamp 2 and the driving mechanism 3 to work on the other hand. The control circuit board adopts various control circuit boards capable of realizing corresponding work in the prior art.

The transmission mechanism is connected to the driving end of the driving mechanism 3, and the LED lamp 2 is connected to the transmission mechanism in a transmission manner and can move up and down relative to the vertical extending direction of the front side wall of the housing 12. The front side wall of the housing 12 is provided with an opening corresponding to the moving range of the LED lamp 2, and the front side wall of the housing 12 is provided with a light-transmitting panel 121 capable of transmitting light. The light-transmitting panel 121 is flush with the front panel of the main body 11, so that the overall aesthetic property of the range hood is ensured.

The specific structure of drive mechanism in this embodiment is: drive mechanism includes the lead screw 6, can rotate the cover and establish slider 7 on lead screw 6, connect the connecting piece 8 between slider 7 and LED, the drive end at the motor is connected to the first end of lead screw 6, lead screw 6 can rotate under the drive of motor, the second end of lead screw 6 is provided with stopper 9, stopper 9 is fixed to be set up on the lateral wall of housing 12, and the second end of lead screw 6 can rotate for stopper 9, this stopper 9 can restrict the range of movement of slider 7.

The guide rail 5 is provided in a space formed by the housing 12 and the two side walls of the body 11 at a position close to the front side wall of the housing 12, that is, the guide rail 5 is provided in the front panel of the base body 1 in the base body 1 at a position close to the front side wall of the housing 12, and both ends of the guide rail 5 are fixed at the lower end and the lower end of the opening of the front side wall of the housing 12, or the guide rail 5 is directly provided integrally with the front side wall of the housing 12 and is molded at the opening. This guide rail 5 is platelike and sets up for the preceding lateral wall backward bending type of housing 12, this guide rail 5's cross-section is whole to be the V type promptly, be provided with guide slot 51 along length direction on the guide rail 5, 2 activities of LED lamp are spacing in guide slot 51, drive mechanism is driving the process of 2 up-and-down motion of LED lamp, 2 can be along with the V type structure of guide rail 5 and swing the head of LED lamp 2, and then make the direction of illumination of LED lamp 2 can shine to the mesa all the time, guarantee sufficient illumination. Meanwhile, when the LED lamp 2 is at a lower position, the LED lamp 2 moves backwards as much as possible, the distance between the LED lamp 2 and the heat source is enlarged, the influence of the temperature on the LED lamp 2 is avoided as much as possible, and after the LED lamp 2 moves to a higher position and the distance between the LED lamp 2 and the heat source is ensured, the LED lamp 2 is enabled to be gradually close to the front side plate of the housing 12, so that the illumination brightness is ensured. The guide rail 5 can effectively give consideration to the influence of a heat source on the LED lamp 2 and the illumination brightness of the LED while providing guidance for the LED lamp 2.

Since the LED lamp 2 needs to move along with the V-shaped guide rail 5, the distance between the LED lamp 2 and the lead screw 6 changes, in order to ensure smooth driving of the LED lamp 2, the connecting member 8 in this embodiment includes a first connecting portion 81 fixedly connected to the slider 7 and a second connecting portion 82 fixedly connected to the LED lamp 2, and the second connecting portion 82 is rotatably connected to the second connecting portion 82. Through the relative rotation between the first connecting portion 81 and the second connecting portion 82, the distance change between the LED lamp 2 and the screw rod 6 in the moving process of the LED lamp 2 is met.

In order to avoid the relative rotation between the first connecting portion 81 and the second connecting portion 82, the distance change requirement between the LED lamp 2 and the screw rod 6 cannot be met, or the distance change between the LED lamp 2 and the screw rod 6 during the movement of the LED lamp 2 can be responded to more quickly. The first end of the first connecting portion 81 is inserted into the slider 7, the second end of the first connecting portion 81 is provided with a stop block 9 rotatably connected with the second connecting portion 82, the first connecting portion 81 is sleeved with a spring 811, and the first end of the spring 811 abuts against the slider 7, and the second end of the spring 811 abuts against the stop block 9. When the distance between the LED lamp 2 and the screw rod 6 changes, the connecting piece 8 can directly slide relative to the sliding block 7 along the direction vertical to the screw rod 6 under the action of the elastic force of the spring 811, so that the change of the distance between the LED lamp 2 and the screw rod 6 is quickly met.

Temperature sensor 4 in this embodiment sets up on base member 1 and is located the lower part of base member 1, this temperature sensor 4 is used for detecting the temperature data of cooking machine below in-process cooking, temperature sensor 4 is connected with control circuit board electricity, in operation, temperature sensor 4 sends the temperature data who detects to control circuit board in real time, after the temperature data who detects reaches the safe temperature value of settlement, then according to the size of difference between the temperature data who detects and the safe temperature value, control the rise of LED lamp 2, control motor works promptly, drive lead screw 6 rotates, make slider 7 for lead screw 6 upward movement, slider 7 drives LED lamp 2 through connecting piece 8 and carries out upward movement along guide slot 51 in the guide rail 5, keep away from the heat source. So when giving consideration to the illumination, can guarantee LED lamp 2's safe in utilization, improve LED lamp 2's life. When the temperature data detected by the temperature sensor 4 is less than or equal to the safe temperature value, the motor can be controlled to work to drive the screw rod 6 to rotate reversely, so that the sliding block 7 moves downwards relative to the screw rod 6, the sliding block 7 drives the LED lamp 2 to move downwards along the guide groove 51 in the guide rail 5 through the connecting piece 8, and finally the LED lamp 2 is reset to the lowest position to improve the illumination effect.

The range hood in this embodiment can reciprocate through actuating mechanism 3, drive mechanism's cooperation drive LED lamp 2 to make LED lamp 2 can remove to on the basis of guaranteeing LED lamp 2's illuminating effect, avoid or reduce the position of the influence of culinary art temperature to LED lamp 2, so can effectively promote LED lamp 2's life, also can not influence LED lamp 2's illumination simultaneously and use.

Claims

1. The utility model provides a range hood, includes base member (1), sets up lighting device, the control circuit board in base member (1), lighting device is connected its characterized in that with the control circuit board electricity: the LED lamp driving device is characterized in that the lighting device comprises an LED lamp (2), a driving mechanism (3) and a transmission mechanism, the LED lamp (2) and the driving mechanism (3) are respectively electrically connected with the control circuit board, the transmission mechanism is connected at the driving end of the driving mechanism (3), the LED lamp (2) is in transmission connection with the transmission mechanism and can move up and down relative to the extending direction of the front panel of the base body (1), the front panel is arranged corresponding to the light transmission range of the LED lamp (2), and a temperature sensor (4) electrically connected with the control circuit board is further arranged on the base body (1).

2. The range hood of claim 1, wherein: the LED lamp is characterized in that a guide rail (5) is arranged on the front panel, close to the base body (1), in the base body (1), a guide groove (51) is formed in the guide rail (5), and the LED lamp (2) is movably limited in the guide groove (51).

3. The range hood of claim 2, wherein: the guide rail (5) is arranged in a mode of being bent backwards relative to the front panel of the base body (1), and the section of the guide rail (5) is V-shaped.

4. A range hood according to any one of claims 1 to 3, wherein: actuating mechanism (3) are the motor, drive mechanism includes lead screw (6), can rotate slider (7), connection between slider (7) and LED that the cover was established on lead screw (6), drive end at the motor is connected in lead screw (6).

5. The range hood of claim 4, wherein: the connecting piece (8) comprises a first connecting part (81) fixedly connected to the sliding block (7) and a second connecting part (82) fixedly connected to the LED lamp (2), and the second connecting part (82) is rotatably connected to the second connecting part (82).

6. The range hood of claim 5, wherein: the first end of first connecting portion (81) is worn to establish on slider (7), the second end of first connecting portion (81) has stopper (9) of being connected with second connecting portion (82) rotation, first connecting portion (81) overcoat is equipped with spring (811), the first end of spring (811) is supported on slider (7) the second end of spring (811) is supported on stopper (9).

7. A range hood according to any one of claims 1 to 3, wherein: the lighting devices are arranged in two groups, and the two groups of lighting devices are distributed on two sides of the base body (1).

8. The range hood of claim 7, wherein: the base body (1) comprises a main body (11) and shells (12) which are arranged on two sides of the main body (11) in a matching mode, and the lighting device is arranged in the shells (12).

9. The range hood of claim 8, wherein: the LED lamp is characterized in that the front side wall of the housing (12) is provided with an opening corresponding to the moving range of the LED lamp (2), and the front side wall of the housing (12) is provided with a light-transmitting panel (121) which can transmit light in a matching manner.

10. The range hood of claim 9, wherein: the light-transmitting panel (121) is flush with the front panel of the main body (11).