Dust collector and control method

Abstract

The application discloses a dust collector and a control method, and relates to the technical field of dust collectors, wherein the dust collector comprises a dust suction pipeline, a first fan, a vacuum chamber and a second fan. The dust suction pipeline is provided with a dust suction port. The air inlet of the first fan is connected with the dust suction pipeline. The first valve is connected between the dust suction pipeline and the vacuum chamber. The air inlet of the second fan is connected with the vacuum chamber, and the second fan can vacuumize the vacuum chamber. When the dust particles to be sucked by the dust collector are small, the first fan can be set in an operating state; when the dust particles are large, the second fan can vacuumize the vacuum chamber, and then the first valve can be set in an open state, so that the negative pressure of the dust suction port can be instantaneously increased, the dust suction effect of the dust suction pipeline on dust can be improved, the first fan and the second fan can be set in a high energy efficiency area, the power factor of the first fan and the second fan is ensured, and the endurance of the dust collector is improved as a whole.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of dust collectors, in particular to a dust collector and a control method. BACKGROUND

[0002] A common dust collector includes an air duct, a fan and a cavity, the air duct, the fan and the cavity are in communication, and the air duct has a dust suction port. After starting the fan, low pressure can be generated at the dust suction port of the air duct to enable dust to enter the air duct through the dust suction port of the air duct and further to be sent into the cavity. During dust collection, there are usually multiple dust collection gears corresponding to different sizes of dust particles. When switching the dust collection gears, the speed of the fan is usually adjusted to adjust the dust collection gears. The speed of the fan of the dust collector is proportional to the power of the fan. When the working condition is small, that is, in the low power gear, the speed of the fan is not in the high energy efficiency zone, and the power factor of the fan is low, thereby reducing the working endurance of the dust collector. SUMMARY

[0003] The main purpose of the present application is to provide a dust collector and a control method, which aims to improve the endurance of the dust collector.

[0004] To achieve the above-mentioned purpose, the dust collector provided by the present application has a dust suction pipe with a dust suction port.

[0005] A first fan, an air inlet of the first fan is in communication with the dust suction pipe;

[0006] A vacuum chamber, a first valve is connected between the dust suction pipe and the vacuum chamber; and

[0007] A second fan, an air inlet of the second fan is in communication with the vacuum chamber, and the second fan can vacuum the vacuum chamber.

[0008] In an embodiment, the second fan and the vacuum chamber are one-to-one corresponding to a plurality of.

[0009] In an embodiment, the first valve includes an electromagnetic valve.

[0010] In an embodiment, an air outlet of the second fan is provided with a second valve; or

[0011] A second valve is connected between the second fan and the vacuum chamber.

[0012] In an embodiment, the second valve includes an electromagnetic valve.

[0013] The present application also provides a control method of a dust collector, including the following steps:

[0014] The first fan is set to an operating state to generate negative pressure at the dust suction port;

[0015] After the vacuum chamber is vacuumized, the first valve is set to an open state to connect the corresponding vacuum chamber and the dust suction pipeline to enhance the negative pressure of the dust suction port.

[0016] In an embodiment, a plurality of second fans are provided in one-to-one correspondence with the vacuum chambers.

[0017] The step of setting the first valve to an open state after the vacuum chamber is vacuumized includes the following steps:

[0018] A dust suction gear is selected, and a corresponding number of vacuum chambers is selected according to the dust suction gear.

[0019] The first valve is set to a closed state, and then the corresponding second fan is set to a running state to vacuumize the corresponding vacuum chamber.

[0020] The corresponding first valve is set to an open state.

[0021] In an embodiment, a second valve is connected between the second fan and the vacuum chamber.

[0022] The step of setting the first valve to a closed state and then setting the corresponding second fan to a running state to vacuumize the corresponding vacuum chamber includes the following steps:

[0023] When the running time of the second fan reaches a preset time, and / or when the vacuum chamber reaches a preset pressure, the second valve is closed to seal the vacuum chamber.

[0024] The second fan is set to a shutdown state.

[0025] In an embodiment, a second valve is connected between the second fan and the vacuum chamber.

[0026] After the step of setting the first valve to an open state to connect the corresponding vacuum chamber and the dust suction pipeline, the following steps are further included:

[0027] The first valve is set to a closed state to seal the vacuum chamber.

[0028] In an embodiment, a second valve is connected between the second fan and the vacuum chamber.

[0029] After the step of setting the first valve to an open state to connect the corresponding vacuum chamber and the dust suction pipeline, the following steps are further included:

[0030] The second valve is set to an open state, and the second fan is set to a running state.

[0031] In the technical solution of the application, when the dust particles to be sucked by the dust collector are small, the first fan can be set in an operating state, so that the first fan generates negative pressure at the dust suction port to suck small-particle dust; when the dust particles are large, the second fan can be used to vacuum the vacuum chamber, and then the first valve is set in an open state, when the vacuum chamber is in communication with the dust suction pipeline, the negative pressure of the dust suction port can be instantaneously enhanced to enhance the dust suction effect of the dust suction pipeline on dust, thereby ensuring the dust suction of the dust collector on large-particle dust, the first fan and the second fan can be set in a high energy efficiency area, thereby ensuring the power factor of the first fan and the second fan, and the endurance of the dust collector is improved as a whole. BRIEF DESCRIPTION OF DRAWINGS

[0032] In order to more clearly illustrate the technical solutions in the embodiments of the application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description only constitute some embodiments of the application, and for those skilled in the art, other drawings can also be obtained from the structures shown in the drawings without creative labor.

[0033] Figure 1 A structural schematic diagram of an embodiment of the dust collector provided by the application;

[0034] Figure 2 A sectional schematic diagram of part A-A in the embodiment; Figure 1

[0035] Figure 3 A flow schematic diagram of an embodiment of the control method of the dust collector provided by the application;

[0036] Figure 4 A partial flow schematic diagram of the control method of the dust collector. Figure 3

[0037] Explanation of reference numerals:

[0038] 100, dust collector; 1, dust suction pipeline; 11, first mounting chamber; 111, first air inlet; 112, first air outlet; 12, second mounting chamber; 121, second air inlet; 122, second air outlet; 2, first fan; 3, vacuum chamber; 4, first valve; 5, second fan; 6, second valve; 7, shell.

[0039] The implementation, functional features and advantages of the application will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION

[0040] ​​With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work belong to the scope of protection of the present application.

[0041] It should be noted that if the embodiments of the present application involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, motion condition, etc. between components in a certain posture, and if the certain posture changes, the directional indications will also change accordingly.

[0042] In addition, if the embodiments of the present application involve descriptions such as "first", "second", etc., the descriptions of "first", "second", etc. are only for description purposes, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In addition, "and / or" or "and / or" appearing throughout the text means that the three parallel schemes are included, for example, "A and / or B" includes A scheme, or B scheme, or A and B are satisfied at the same time. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the fact that a person skilled in the art can realize it, and when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the scope of protection claimed by the present application.

[0043] A common dust collector includes an air duct, a fan and a cavity, the air duct, the fan and the cavity are communicated, and the air duct has a dust suction port, after starting the fan, low pressure can be generated at the dust suction port of the air duct, so that dust enters the air duct through the dust suction port of the air duct, and the dust is further sent into the cavity. When dusting, there are usually multiple dusting gears corresponding to different sizes of dust particles, when switching the dusting gear, the speed of the fan is usually adjusted to adjust the dusting gear. The speed of the fan of the dust collector is proportional to the power of the fan, and when the working condition is small, that is, in the low power gear, the speed of the fan is not in the high energy efficiency area, the power factor of the fan is low, and the working endurance of the dust collector is reduced.

[0044] The present application provides a dust collector.

[0045] Please refer to Figure 1 and Figure 2In an embodiment of the present application, the dust collector 100 comprises a dust suction pipe 1, a first fan 2, a vacuum chamber 3 and a second fan 5. The dust suction pipe 1 has a dust suction port. The air inlet of the first fan 2 is connected with the dust suction pipe 1. The first valve 4 is connected between the dust suction pipe 1 and the vacuum chamber 3. The air inlet of the second fan 5 is connected with the vacuum chamber 3, and the second fan 5 can vacuum the vacuum chamber 3.

[0046] In the technical solution of the present application, when the dust particles to be sucked by the dust collector 100 are small, the first fan 2 can be set in an operating state, so that the first fan 2 generates negative pressure at the dust suction port to suck small-particle dust. When the dust particles are large, the second fan 5 can vacuum the vacuum chamber 3, and then the first valve 4 is set in an open state. When the vacuum chamber 3 is connected with the dust suction pipe 1, the negative pressure of the dust suction port can be instantaneously enhanced to enhance the dust suction effect of the dust suction pipe 1, thereby ensuring the dust suction of the dust collector 100 on large-particle dust. The first fan 2 and the second fan 5 can be set in a high energy efficiency area, thereby ensuring the power factor of the first fan 2 and the second fan 5, and improving the endurance of the dust collector 100 as a whole.

[0047] The dust collector 100 in the present application can be powered by a battery. The rated power of the first fan 2 and the second fan 5 can be equal or unequal, which is not limited herein. The shell material of the dust suction pipe 1 and the vacuum chamber 3 can be metal or non-metal, which is not limited herein. The dust suction pipe 1 and the vacuum chamber 3 can be integrally formed or separately formed, which is not limited herein. Specifically, the dust collector 100 further has a shell 7, and the dust suction pipe 1 and the vacuum chamber 3 are integrally formed with the shell 7. The dust suction pipe 1 and the vacuum chamber 3 are formed in the shell 7.

[0048] The dust suction pipe 1 is connected with a dust containing cavity, so that after the dust suction pipe 1 sucks dust, the dust is sent into the dust containing cavity to achieve temporary storage of the dust. The dust collector 100 comprises a shell 7, and the shell 7 further comprises a first installation chamber 11 and a second installation chamber 12. The first installation chamber 11 is arranged corresponding to the first fan 2, the first fan 2 is arranged in the first installation chamber 11, the first installation chamber 11 is provided with a first air inlet 111 and a first air outlet 112, the first air inlet 111 is connected with the air inlet of the first fan 2 and the dust suction pipe 1, and the first air outlet 112 is used for air outlet of the first fan 2. The second fan 5 is arranged in the second installation chamber 12, and the second fan 5 is arranged corresponding to the second installation chamber 12. The second installation chamber 12 is provided with a second air inlet 121 and a second air outlet 122, the second air inlet 121 is connected with the air inlet of the second fan 5 and the vacuum chamber 3, and the second air outlet 122 is used for air outlet of the second fan 5.

[0049] The second valve 6 is arranged in the second air inlet 121, and the second valve 6 can control the on-off of the second fan 5 and the vacuum chamber 3. When the second valve 6 is opened, the second fan 5 can suck the vacuum chamber 3, and when the second valve 6 is closed, the vacuum chamber 3 can be sealed to ensure the air pressure in the vacuum chamber 3.

[0050] Please refer to Figure 2 The second fan 5 and the vacuum chamber 3 are arranged corresponding to each other. The second fan 5 can suck the vacuum chamber 3 to ensure the vacuum efficiency of the vacuum chamber 3. The second fan 5 and the vacuum chamber 3 can be arranged corresponding to each other in two, three or more, which is not limited. Specifically, the second fan 5 and the vacuum chamber 3 are arranged corresponding to each other in two.

[0051] When larger particles of dust need to be sucked, according to the size of the dust, the corresponding number of vacuum chambers 3 can be selected to be connected with the dust suction pipe 1 at the same time to instantaneously enhance the suction force of the dust suction port. The volumes of the plurality of vacuum chambers 3 can also be different. When larger particles of dust need to be sucked, according to the size of the dust, the corresponding number and size of the vacuum chambers 3 can be selected to be connected with the dust suction pipe 1 at the same time to instantaneously enhance the suction force of the dust suction port.

[0052] The first valve 4 comprises an electromagnetic valve. By arranging the first valve 4 as an electromagnetic valve, the running state of the first valve 4 can be switched to realize automatic switching of the running state of the first valve 4.

[0053] The air outlet of the second fan 5 is provided with a second valve 6. By setting the second valve 6 in an open state, the vacuum effect of the second fan 5 on the vacuum chamber 3 can be guaranteed. By setting the second valve 6 in the closed state, the sealing of the vacuum chamber 3 can be guaranteed to guarantee the vacuum degree of the vacuum chamber 3.

[0054] Please refer to Figure 2 , the second fan 5 and the vacuum chamber 3 are connected with the second valve 6. By setting the second valve 6 in an open state, the vacuum effect of the second fan 5 on the vacuum chamber 3 can be guaranteed. By setting the second valve 6 in the closed state, the sealing of the vacuum chamber 3 can be guaranteed to guarantee the vacuum degree of the vacuum chamber 3.

[0055] The second valve 6 includes a solenoid valve. By setting the second valve 6 as a solenoid valve, the running state of the second valve 6 can be conveniently switched to realize automatic switching of the running state of the second valve 6. Specifically, the second valve 6 is arranged at the air outlet of the vacuum chamber 3, which can guarantee the vacuum and sealing effect of the vacuum chamber 3.

[0056] The application also provides a control method of the dust collector 100. The control method of the dust collector 100 includes the dust collector 100, and the specific structure of the dust collector 100 is referred to the above embodiments. Since the control method of the dust collector 100 adopts all the technical solutions of the above embodiments, it at least has all the beneficial effects brought by the technical solutions of the above embodiments, which will not be repeated here. Please refer to Figure 3 , the dust collector 100 includes the following steps:

[0057] S1: Set the first fan 2 in a running state to generate negative pressure at the dust suction port.

[0058] By setting the first fan 2 in a running state, the dust collector 100 can suck small particle dust. While guaranteeing the dust suction effect of the dust collector 100 on small particle dust, the first fan 2 can be set at rated power to guarantee that the first fan 2 is in a high energy efficiency area, thereby guaranteeing the endurance of the dust collector 100.

[0059] S3: After vacuumizing the vacuum chamber 3, set the first valve 4 in an open state to connect the corresponding vacuum chamber 3 and the dust suction pipeline 1 to enhance the negative pressure of the dust suction port.

[0060] The vacuum chamber 3 is connected to the dust suction pipe 1, and the first valve 4 is in the open state, and the first fan 2 is in the running state, and the second fan 5 is in the running state, and the first fan 2 and the second fan 5 are connected to the dust suction pipe 1 to provide negative pressure for the dust suction pipe 1.

[0061] After the vacuum chamber 3 is connected to the dust suction pipe 1, the first valve 4 is in the closed state, and the first fan 2 provides negative pressure for the dust suction pipe 1. After the vacuum chamber 3 is connected to the dust suction pipe 1, the second fan 5 is in the running state, and the first fan 2 and the second fan 5 cooperate to increase the negative pressure of the dust suction port to achieve dust suction of larger particles.

[0062] Please refer to Figure 4 , the second fan 5 is provided with a plurality of corresponding vacuum chambers 3; the step of setting the first valve 4 in the open state after the vacuum chamber 3 is evacuated comprises the following steps:

[0063] S21: Select the dust suction gear, and select the corresponding number of vacuum chambers 3 according to the dust suction gear.

[0064] The size of the dust particles is divided into first, second, third, and so on from small to large. When the size of the dust particles is first, the first fan 2 runs to suck the first dust into the dust suction pipe 1. When the dust particles are second, one of the vacuum chambers 3 is connected to the dust suction pipe 1 to suck the second dust into the dust suction pipe 1. When the dust particles are third, two of the vacuum chambers 3 are connected to the dust suction pipe 1 to suck the third dust into the dust suction pipe 1. When a large amount of second dust particles need to be sucked, two of the second fans 5 are started to make the two second fans 5 and the first fan 2 provide negative pressure for the dust suction pipe 1 to make the dust suction pipe 1 suck the second dust particles. When a large amount of third dust particles need to be sucked, three or four second fans 5 are started to make the three or four second fans 5 and the first fan 2 provide negative pressure for the dust suction pipe 1 to make the dust suction pipe 1 suck the second dust particles.

[0065] S22: Set the first valve 4 in the closed state, and then set the corresponding second fan 5 in the running state to evacuate the corresponding vacuum chamber 3.

[0066] By setting the first valve 4 in the closed state, the second fan 5 can be guaranteed to pump the vacuum chamber 3 to ensure the vacuumization of the vacuum chamber 3.

[0067] S23: Set the corresponding first valve 4 in the open state.

[0068] After setting the first valve 4 in the open state, the vacuum chamber 3 can be connected with the dust suction pipeline 1, so that the vacuum chamber 3 pumps the dust suction pipeline 1, thereby enhancing the negative pressure of the dust suction port; and improving the dust suction effect of the dust suction pipeline 1.

[0069] The second fan 5 is connected with the vacuum chamber 3 through a second valve 6; the step of setting the first valve 4 in the closed state and then setting the corresponding second fan 5 in the running state to pump the corresponding vacuum chamber 3 includes the following steps:

[0070] S221a: When the running time of the second fan 5 reaches the preset time, the second valve 6 is closed to seal the vacuum chamber 3.

[0071] By running the second fan 5 for a preset time, the pressure in the vacuum chamber 3 can be reached to a preset pressure to ensure the vacuum degree in the vacuum chamber 3. Specifically, the preset time can be obtained according to the power of the second fan 5 and the target vacuum degree of the vacuum chamber 3 through experimental testing. The dust collector 100 can be provided with a controller, and the controller is electrically connected with the second fan 5, and the running time of the second fan 5 is controlled through the controller.

[0072] S222: Set the second fan 5 in the shutdown state.

[0073] By setting the second fan 5 in the shutdown state, the energy consumption of the second fan 5 can be reduced.

[0074] The second fan 5 is connected with the vacuum chamber 3 through a second valve 6; the step of setting the first valve 4 in the closed state and then setting the corresponding second fan 5 in the running state to pump the corresponding vacuum chamber 3 includes the following steps:

[0075] S221b: When the vacuum chamber 3 reaches a preset pressure, the second valve 6 is closed to seal the vacuum chamber 3.

[0076] When the vacuum chamber 3 reaches the preset pressure, the second valve 6 is closed, so as to guarantee the vacuum degree in the vacuum chamber 3. A pressure gauge can be arranged in the vacuum chamber 3 to detect the gas pressure in the vacuum chamber 3, or a pressure gauge is arranged and sequentially detects the pressures of the vacuum chambers 3, which is not limited here.

[0077] S222: The second fan 5 is set to the stop state.

[0078] By setting the second fan 5 to the stop state, the energy consumption of the second fan 5 can be reduced.

[0079] The second fan 5 is connected with the vacuum chamber 3 through the second valve 6. After the first valve 4 is set to the open state to connect the corresponding vacuum chamber 3 and the dust suction pipeline 1, the first valve 4 is set to the closed state to seal the vacuum chamber 3.

[0080] By setting the first valve 4 to the closed state, the second fan 5 can be used to vacuum the vacuum chamber 3 again, and the air suction of the dust suction pipeline 1 from the vacuum chamber 3 is reduced.

[0081] The second fan 5 is connected with the vacuum chamber 3 through the second valve 6. After the first valve 4 is set to the open state to connect the corresponding vacuum chamber 3 and the dust suction pipeline 1, the second valve 6 is set to the open state, and the second fan 5 is set to the running state.

[0082] By setting the second valve 6 to the open state, the second fan 5 can cooperate with the first fan 2 to enhance the suction force of the dust suction pipeline 1, so that the dust suction pipeline 1 can suck large particles of dust.

[0083] The control method of the dust collector 100 has a controller and a display screen. The controller has different control buttons corresponding to different running states, so as to manually switch the running states. The display screen is used to display the corresponding running states.

[0084] The above description is only an exemplary embodiment of the present application, and does not limit the patent scope of the present application. Any equivalent structural transformation, direct / indirect application in other related technical fields based on the technical concept of the present application, and the contents of the present application specification and drawings are included in the patent protection scope of the present application.

Claims

1. A vacuum cleaner characterised in that, The application relates to a dust collection system, comprising: a dust collection pipe having a dust suction port; a first fan, an air inlet of the first fan being connected to the dust collection pipe; a vacuum chamber, a first valve being connected between the dust collection pipe and the vacuum chamber; and a second fan, an air inlet of the second fan being connected to the vacuum chamber, the second fan being capable of vacuumizing the vacuum chamber; a second valve being connected between the second fan and the vacuum chamber.

2. The dust cup according to claim 1, wherein The second fan and the vacuum chamber are one-to-one corresponding.

3. The dust cup according to claim 1, wherein The first valve comprises an electromagnetic valve.

4. The dust cup according to claim 1, wherein The second valve comprises an electromagnetic valve.

5. A control method of a dust collector for the dust collector according to any one of claims 1 to 4, characterized in that, The application further relates to a method for controlling the dust collection system, comprising the following steps: setting the first fan in an operating state to generate negative pressure at the dust suction port; after vacuumizing the vacuum chamber, setting the first valve in an open state to connect the corresponding vacuum chamber and the dust collection pipe, so as to enhance the negative pressure at the dust suction port; the second fan and the vacuum chamber are one-to-one corresponding; the step of setting the first valve in an open state after vacuumizing the vacuum chamber comprises the following steps: selecting a dust collection gear and selecting a corresponding number of vacuum chambers according to the dust collection gear; setting the first valve in a closed state, and then setting the corresponding second fan in an operating state to vacuumize the corresponding vacuum chamber; setting the corresponding first valve in an open state; the second valve is connected between the second fan and the vacuum chamber; the step of setting the first valve in a closed state, and then setting the corresponding second fan in an operating state to vacuumize the corresponding vacuum chamber comprises the following steps: when the operating time of the second fan reaches a preset time and / or the vacuum chamber reaches a preset pressure, closing the second valve to seal the vacuum chamber; setting the second fan in a shutdown state.

6. The control method of a dust collector according to claim 5, wherein the second valve is connected between the second fan and the vacuum chamber; after the step of setting the first valve in an open state to connect the corresponding vacuum chamber and the dust collection pipe, the method further comprises the following step: setting the first valve in a closed state to seal the vacuum chamber.

7. The control method of a dust collector according to claim 5, wherein the second valve is connected between the second fan and the vacuum chamber; after the step of setting the first valve in an open state to connect the corresponding vacuum chamber and the dust collection pipe, the method further comprises the following step: setting the second valve in an open state and setting the second fan in an operating state.

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