Method for operating a pusher mechanism of an extractor hood, pusher mechanism and extractor hood

Abstract

The application discloses a kind of operating method of push rod mechanism of range hood, push rod mechanism and range hood.The operating method of push rod mechanism of range hood, it includes the following steps: S1: according to the range hood configuration before factory, by experimental detection, deduce and obtain the current threshold formula I of push rod mechanism before factoryI max =[s×m+q×n]×I 初 , to obtain current threshold;S2: when range hood is started after factory, obtain the maximum current value I of push rod mechanism in the process of runningI 新 ;S3: I 新 is replaced by I 初 , the current threshold formula I is substitutedI max =[s×m+q×n]×I 初 , to obtain new current threshold I max新 ;S4: push rod mechanism runs to end with I max新 ;S1 includes the following steps: S11: start range hood;S12: detect the maximum current value I in the movement process when push rod mechanism is idleI 初 .

Description

TECHNICAL FIELD

[0001] The present application relates to the kitchen electrical technology field, and particularly relates to a running method of a push rod mechanism of a range hood, the push rod mechanism and the range hood. BACKGROUND

[0002] At present, the side suction smoke hood with a flap type is rigidly connected with the push rod mechanism through a connecting rod mechanism, and the control plate pushes the range hood flap to move by controlling the extension and retraction of the push rod mechanism, so as to open and close the smoke inlet of the range hood. During the movement of the flap, the current of the push rod mechanism is constantly changing. When the current of the movement of the push rod mechanism reaches the program preset threshold value, the controller considers that the push rod mechanism reaches the preset position, so the current threshold value of the push rod mechanism is a key parameter. When the threshold value is too small, it may cause the push rod mechanism to fail to push the flap to correctly close and open the smoke inlet. When the threshold value is too large, the long-term operation of the large current will cause the force of the push rod mechanism to be too large, which affects the service life of the mechanism. During the use of the range hood, oil stains will continuously adhere to the flap and / or the push rod mechanism, so that the preset current threshold value of the push rod mechanism cannot be adapted to the actual situation, and the flap cannot be correctly opened and closed.

[0003] Therefore, there is an urgent need for a running method of a push rod mechanism of a range hood to solve the above problems. SUMMARY

[0004] The present application aims to at least solve one of the problems existing in the prior art, and for this purpose, the present application provides a running method of a push rod mechanism of a range hood, which sets a weight on the push rod mechanism of the range hood before the range hood is shipped from the factory, so as to obtain a current threshold value formula of the push rod mechanism of the range hood before the range hood is shipped from the factory, so that after the range hood is used normally after being shipped from the factory, a new current threshold value I max新 can be calculated according to the current threshold value formula after oil stains adhere to the flap and / or the push rod mechanism, so as to ensure that the flap of the range hood can be closed and opened with reasonable power, and at the same time, the force of the push rod mechanism can be prevented from being too large, which affects the service life of the push rod mechanism.

[0005] The above-mentioned purpose is achieved by the following technical solutions:

[0006] A running method of a push rod mechanism of a range hood, comprising the following steps:

[0007] S1: According to the configuration of the range hood before being shipped from the factory, a current threshold value formula I max of the push rod mechanism before being shipped from the factory is obtained by experimental detection, so as to obtain the current threshold value; 初

[0008] ​S2: When the range hood is started after leaving the factory, obtain the maximum current value I of the push rod mechanism during operation. 新 ;

[0009] S3: I 新 Replace I 初 Substitute into the current threshold formula I max = [s×m+q×n]×I 初 To obtain a new current threshold I max新 ;

[0010] S4: The push rod mechanism is based on I max新 Run until completion;

[0011] S1 includes the following steps:

[0012] S11: Turn on the range hood;

[0013] S12: Detect the maximum current value I during the motion process of the push rod mechanism under no-load conditions. 初 ;

[0014] S13: Add a weight to the push rod mechanism;

[0015] S14: Detect the maximum current value I during the movement of the push rod mechanism. 检 ;

[0016] S15: Calculate I 检 with I 初 The ratio m = I 检 / I 初 ;

[0017] Where s and q are both coefficients and s+q=1, n is the maximum current threshold configured for the push rod mechanism before leaving the factory compared to the maximum current value I. 初 Multiples of.

[0018] Optionally, step S2 includes the following steps:

[0019] S21: Turn on the range hood;

[0020] S22: Determine whether the push rod mechanism is running. If yes, proceed to S23; otherwise, repeat S22.

[0021] S23: Detect the maximum current value I during the movement of the push rod mechanism. 新 ;

[0022] S24: Determine if I 新 >u×I 初 If yes, proceed to S3; otherwise, repeat S24.

[0023] Wherein, u is a coefficient and 1≤u≤10.

[0024] Optionally, S23 comprises the following steps:

[0025] S231: Detecting the current of the push rod mechanism in the movement process every first preset time t1 to obtain current value groups I01, I11, I21, …, In1.

[0026] S232: Determining the maximum value in the current value groups I01, I11, I21, …, In1 as the maximum current value I1. 新 .

[0027] Optionally, the first preset time t1 is 20ms-60ms.

[0028] Optionally, S12 comprises the following steps:

[0029] S121: Detecting the current of the push rod mechanism in the movement process every second preset time t2 to obtain current value groups I02, I12, I22, …, In2.

[0030] S122: Determining the maximum value in the current value groups I02, I12, I22, …, In2 as the maximum current value I1. 初 .

[0031] Optionally, the second preset time t2 is 20ms-60ms.

[0032] Optionally, S14 comprises the following steps:

[0033] S141: Detecting the current of the push rod mechanism in the movement process every third preset time t3 to obtain current value groups I03, I13, I23, …, In3.

[0034] S142: Determining the maximum value in the current value groups I03, I13, I23, …, In3 as the maximum current value I1.

[0035] Optionally, the third preset time t3 is 20ms-60ms.

[0036] Another aspect of the present application provides a push rod mechanism, which is operated according to the operating method of the push rod mechanism of the range hood.

[0037] Still another aspect of the present application provides a range hood, which comprises a smoke collecting hood, a flap and the push rod mechanism, the smoke collecting hood is provided with a smoke inlet, the push rod mechanism is in transmission connection with the flap, and the push rod mechanism can push the flap to open or close the smoke inlet.

[0038] Compared with the prior art, the present invention has at least the following beneficial effects:

[0039] The present invention provides a method for operating the push rod mechanism of a range hood. By pre-setting a weight on the push rod mechanism before the range hood leaves the factory, a current threshold formula for the push rod mechanism is obtained. This allows for the calculation of a new current threshold I based on the current threshold formula during normal use of the range hood after it leaves the factory, when grease adheres to the flap and / or push rod mechanism. max新 This ensures that the range hood's flap can close and open the smoke inlet with reasonable power, while also preventing excessive force on the push rod mechanism, which could affect its service life. Attached Figure Description

[0040] Figure 1 This is one of the step diagrams of the operation method of the push rod mechanism of the range hood provided in a specific embodiment of the present invention;

[0041] Figure 2 This is the second step diagram of the operation method of the push rod mechanism of the range hood provided in a specific embodiment of the present invention. Detailed Implementation

[0042] The following embodiments illustrate the present invention, but the present invention is not limited to these embodiments. Modifications to the specific embodiments of the present invention or equivalent substitutions for some technical features, without departing from the spirit of the present invention, should all be covered within the scope of the technical solutions claimed in the present invention.

[0043] Please refer to Figure 1 and Figure 2 This invention provides a method for operating the push rod mechanism of a range hood, comprising the following steps:

[0044] S1: Based on the pre-shipment configuration of the range hood, and through experimental testing, the current threshold formula I for the push rod mechanism before shipment is deduced. max = [s×m+q×n]×I 初 To obtain the current threshold;

[0045] S2: When the range hood is started after leaving the factory, obtain the maximum current value I of the push rod mechanism during operation. 新 ;

[0046] S3: I 新 Replace I 初 Substitute into the current threshold formula I max = [s×m+q×n]×I 初 To obtain a new current threshold I max新 ;

[0047] S4: The push rod mechanism uses Imax新 runs to the end, thereby changing the current threshold value Imax of the push rod mechanism according to the weight change of the flap of the range hood during the running process, so that the push rod mechanism can be closed and opened with sufficient power.

[0048] Please refer to Figure 1 , S1 includes the following steps:

[0049] S11: starting the range hood;

[0050] S12: detecting the maximum current value I 初 during the movement of the push rod mechanism under no load;

[0051] S13: adding a weight on the push rod mechanism;

[0052] S14: detecting the maximum current value I 检 during the movement of the push rod mechanism;

[0053] S15: calculating the ratio m = I 检 / I 初 of I 检 and I 初 ;

[0054] Wherein, s and q are coefficients and s+q = 1, n is the multiple of the maximum current threshold value of the push rod mechanism configured before leaving the factory compared with the maximum current value I 初 , that is, in order to ensure that the push rod mechanism can push the flap to close and open the smoke inlet with sufficient power, a larger current than the maximum current value I 初 actually detected is preset as the current threshold value I max .

[0055] The running method of the push rod mechanism of the range hood provided by the application sets a weight on the push rod mechanism of the range hood before leaving the factory, thereby obtaining the current threshold formula of the push rod mechanism of the range hood before leaving the factory, so that after the flap and / or the push rod mechanism adhere to oil stains during the normal use of the range hood after leaving the factory, a new current threshold I max新 can be calculated according to the current threshold formula, so as to ensure that the flap of the range hood can be closed and opened with reasonable power, and at the same time, the force of the push rod mechanism can be avoided to be too large to affect the service life of the push rod mechanism.

[0056] Please refer to Figure 2 , optionally, S2 includes the following steps:

[0057] S21: starting the range hood;

[0058] S22: judging whether the push rod mechanism is running, if yes, entering S23, if not, repeating S22;

[0059] S23: detecting the maximum current value I in the movement of the push rod mechanism 新 ;

[0060] S24: judging whether I 新 > u x I 初 , if yes, it indicates that the weight of the oil stain added on the flap has reached the preset weight, and the current threshold I max新 needs to be updated, at this time, S3 is entered, if no, S24 is repeatedly executed;

[0061] wherein, u is a coefficient and 1≤u≤10.

[0062] Optionally, in the embodiment, u is 5.

[0063] Optionally, S23 comprises the following steps:

[0064] S231: detecting the current in the movement of the push rod mechanism every first preset time t1 to obtain a current value group I01, I11, I21……In1;

[0065] S232: determining the maximum value in the current value group I01, I11, I21……In1 as the maximum current value Inew.

[0066] Optionally, the first preset time t1 is 20ms-60ms, so as to obtain a more accurate maximum current value I 新 .

[0067] Optionally, S12 comprises the following steps:

[0068] S121: detecting the current in the movement of the push rod mechanism every second preset time t2 to obtain a current value group I02, I12, I22……In2;

[0069] S122: determining the maximum value in the current value group I02, I12, I22……In2 as the maximum current value Iinitial.

[0070] Optionally, the second preset time t2 is 20ms-60ms, so as to obtain a more accurate maximum current value I 初 .

[0071] Optionally, the operation method of the push rod mechanism of the range hood according to any one of claims 1-4 comprises the following steps:

[0072] S141: detecting the current in the movement of the push rod mechanism every third preset time t2 to obtain a current value group I03, I13, I23……In3;

[0073] S142: Determine the maximum value in the current value group I03, I13, I23, …, In3 as the maximum current value I1.

[0074] Optionally, the second preset time t3 is 20ms-60ms, so as to obtain a more accurate maximum current value I1.

[0075] Optionally, in the embodiment, t1, t2 and t3 are all 50ms.

[0076] Another aspect of the present application provides a push rod mechanism, which operates according to the operating method of the push rod mechanism of the range hood.

[0077] Still another aspect of the present application provides a range hood, which comprises a smoke collecting hood, a flap and the push rod mechanism, the smoke collecting hood is provided with a smoke inlet, the push rod mechanism is in transmission connection with the flap, and the push rod mechanism can push the flap to open or close the smoke inlet.

[0078] The above only describes some embodiments of the present application. For those skilled in the art, without departing from the concept of the present application, several modifications and improvements can be made, which are all within the protection scope of the present application.

Claims

1. A method of operating a push rod mechanism of a range hood, characterized in that, The method comprises the following steps: S1: According to the configuration of the range hood before leaving the factory, the current threshold formula I of the push rod mechanism is obtained by experimental detection max =[s x m + q x n] x I 初 to obtain the current threshold; S2: obtaining a maximum current value I of the push rod mechanism in the running process when the range hood is started after leaving the factory 新 ; S3: Substitute I 新 Substitute I 初 into the current threshold formula I max = [s x m + q x n] x I 初 to obtain a new current threshold I max新 ; S4: The push rod mechanism is in I max新 Run to end; S1 comprises the following steps: S11: starting the range hood; S12: detecting a maximum current value I in a movement process of the push rod mechanism when it is empty 初 ; S13: adding a weight on the push rod mechanism; S14: detecting a maximum current value I in the movement of the push rod mechanism 检 ; S15: Calculate I 检 With I 初 The ratio m = I 检 / I 初 ; where s and q are coefficients and s + q = 1, and n is a maximum current threshold value configured by the push rod mechanism before leaving the factory compared to a maximum current value I 初 .

2. The method of operating a pusher mechanism of a range hood according to claim 1, characterized in that, The S2 comprises the following steps: S21: starting the range hood; S22: judging whether the push rod mechanism is running, if yes, entering S23, if not, repeating S22; S23: detecting a maximum current value I in the movement of the push rod mechanism 新 ; S24: judge whether I 新 > u x I 初 , if yes, go to S3, if no, repeat S24; Wherein, u is a coefficient and 1≤u≤10.

3. The method of operating a pusher mechanism of a range hood according to claim 2, characterized in that, S23 comprises the following steps: S231: detecting the current of the push rod mechanism in the movement process every first preset time t1 to obtain current value groups I01, I11, I21……In1; S232: Determine the maximum value of the current value group I01, I11, I21,... In1 as the maximum current value I 新 .

4. The method of operating a pusher mechanism of a range hood according to claim 3, characterized in that, The first preset time t1 is 20ms-60ms.

5. The method of operating a pusher mechanism of a range hood according to any one of claims 1-4, characterized in that, S12 comprises the following steps: S121: detecting the current of the push rod mechanism in the movement process every second preset time t2 to obtain current value groups I02, I12, I22……In2; S122: Determine the maximum value of the current value group I02, I12, I22... In2 as the maximum current value I 初 .

6. The method of operating a pusher mechanism of a range hood according to claim 5, wherein, The second preset time t2 is 20ms-60ms.

7. The method of operating a pusher mechanism of a range hood according to any one of claims 1-4, characterized in that, S14 comprises the following steps: S141: detecting the current of the push rod mechanism in the movement process every third preset time t3 to obtain current value groups I03, I13, I23……In3; S142: Determine the maximum value of the current value group I03, I13, I23,... In3 as the maximum current value I 检 .

8. The method of operating a pusher mechanism of a range hood according to claim 7, characterized in that, The third preset time t3 is 20ms-60ms.

9. A push rod mechanism characterized by, The push rod mechanism is operated according to the operating method of the range hood push rod mechanism in any one of claims 1-8.

10. A range hood characterized by, The range hood comprises a smoke collecting cover, a flap and the push rod mechanism in claim 9, the smoke collecting cover is provided with a smoke inlet, the push rod mechanism is in transmission connection with the flap, and the push rod mechanism can push the flap to open or close the smoke inlet.

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