Ventilation and dust removal equipment for machine room

Abstract

The utility model provides ventilation and dust removal equipment for a machine room. The ventilation and dust removal equipment comprises a mobile workstation, a control handle, a replaceable suction head and a contact switch, a negative pressure motor and a dust collection container are arranged in the mobile workstation; the control handle is connected with the negative-pressure gas circuit and the dust collection container and is internally provided with a control button and a connecting cavity; the replaceable suction head is provided with suction nozzles in various forms to adapt to different cleaning areas, and the end part of the replaceable suction head is provided with an inserting end to be connected with an interface buckle; the contact switch is located in the interface and enables the negative pressure motor to work at a specific rotating speed after being triggered to generate different suction forces; the triggering piece is matched with different suction heads to automatically select proper suction force. According to the utility model, different to-be-cleaned areas can be coped with through various replaceable suction heads, so that the dust removal efficiency is improved. Meanwhile, each replaceable suction head is designed to trigger a trigger structure of the contact switch at the corresponding position to generate suction force suitable for the replaceable suction head, manual intervention is not needed to adjust the suction force, the operation difficulty is reduced, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of machine room maintenance equipment, in particular to a machine room ventilation dust removal equipment. BACKGROUND

[0002] In the telecommunication, network communication, mobile service, power supply and government and enterprise organization, the machine room as the key place of depositing server and providing IT service, plays the vital role. Especially big data center, its inside deployment multiple brand and model server and small computer system (such as IBM, HP, SUN brand small computer), to support mass data processing and storage demand.

[0003] In order to ensure the stable operation of these high-performance computing equipment, the air environment cleanliness inside the machine room must reach high standard. However, in the prior art, the machine room dust removal operation mainly relies on the operation personnel handheld dust removal device. This traditional way has obvious limitations:

[0004] 1. The current market most dust removal equipment is equipped with single suction head design, which is difficult to meet the cleaning needs of different structural spaces in the machine room. The complex layout inside the rack requires suction heads with various shapes to adapt to various cleaning areas, so as to realize efficient dust removal.

[0005] 2. For different types of dust removal tasks, the ideal dust removal scheme should be able to automatically adjust the suction strength according to the specific application scene. But most of the current dust removal equipment either does not have this function, or needs manual intervention to switch the suction size, which not only increases the operation difficulty, but also reduces the work efficiency.

[0006] Therefore, the present application has been designed to solve the above problems. CONTENT OF THE UTILITY MODEL

[0007] In order to solve the above problems, the technical scheme of the utility model is as follows:

[0008] A machine room ventilation dust removal equipment, comprising:

[0009] A mobile workstation, which is provided with a negative pressure motor for generating negative pressure and a dust collection container for collecting dust;

[0010] A control handle, which is connected to the negative pressure air path generated by the negative pressure motor and the dust collection container through a connecting pipeline, includes a main body and a control button provided on the main body and used to drive the negative pressure motor to work, the inside of the main body forms a connecting cavity connected to the connecting pipeline, and the front side of the main body forms an interface connected to the external environment and the connecting cavity;

[0011] The replaceable suction head has a plurality of different suction nozzles, and an end of the replaceable suction head is provided with a plug-in end for buckling connection with the interface;

[0012] A plurality of contact switches are arranged in the interface, and after a single contact switch is triggered, the negative pressure motor is operated at a corresponding rotating speed to generate different suction forces;

[0013] A trigger member is arranged in the interface and is used to trigger the corresponding contact switch in cooperation with the assembly of different replaceable suction heads;

[0014] The different replaceable suction heads have trigger structures matched with different positions of the trigger member.

[0015] Preferably, the plug-in end includes a first plug-in section in a cylindrical shape and a second plug-in section with a smaller diameter than the first plug-in section, and a gas guide channel is formed in the inside of the first plug-in section and the second plug-in section. The interface includes a first insertion hole and a second insertion hole respectively embedded with the first plug-in section and the second plug-in section, and a connecting ring surface is formed between the first insertion hole and the second insertion hole.

[0016] Preferably, the main body is recessed inward at the position of the connecting ring surface to form a mounting hole axially parallel to the plug-in end, the trigger member is a trigger shaft in a columnar shape slidingly arranged in the mounting hole, a limiting groove is arranged in the mounting hole for limiting the vertical extension range of the trigger shaft, a spring is arranged in the limiting groove for elastically lifting the trigger shaft, the spring makes the trigger shaft have a tendency to be kept protruding from the position of the mounting hole, the contact switch is arranged at the bottom of the mounting hole, and the trigger shaft triggers the contact switch when being pressed to the lowest position.

[0017] Preferably, the mounting hole is provided with at least three around the connecting ring surface.

[0018] Preferably, the replaceable suction head is recessed inward at the position of the connecting ring surface to form a plurality of limiting holes opposite to the position of the mounting hole and with the same number, one of the limiting holes of the replaceable suction head has a smaller depth than the other limiting holes, so that the limiting hole with the smaller depth can exactly make the trigger shaft trigger the contact switch, and the position of the limiting hole with the smaller depth of different replaceable suction heads is different to trigger different contact switches.

[0019] Preferably, a plurality of sealing rings are arranged between the second plug-in section and the second insertion hole.

[0020] Preferably, the outer circumferential side of the first plug-in section protrudes to form a positioning rib distributed along the axial direction thereof, and the first insertion hole is provided with a positioning groove in limiting cooperation with the positioning rib.

[0021] Preferably, the replaceable suction head includes a constricted nozzle, a brush nozzle and a cylindrical nozzle, corresponding to a narrow range of cleaning area, an electronic component area and a large range of cleaning area respectively.

[0022] Preferably, the buckle connection structure of the replaceable suction head is a limiting block and a limiting groove, the limiting block is movably arranged in the inner side of the interface, and the limiting groove is arranged on the outer wall of the plug-in end.

[0023] Preferably, the control panel and the motor controller are further included, the control button and the plurality of contact switches are electrically connected to the input end of the control panel, and the motor controller is electrically connected to the output end of the control panel.

[0024] The beneficial effects of the utility model are as follows:

[0025] The utility model discloses a plurality of replaceable suction heads to deal with different cleaning areas, and the complex and changeable layout inside the rack requires suction heads of various shapes to adapt to various cleaning areas and improve dust removal efficiency.

[0026] Meanwhile, the utility model discloses the trigger structure of the trigger corresponding position contact switch to each replaceable suction head, thereby automatically adapting the corresponding negative pressure motor rotating speed of different replaceable suction heads, so that the suction force size suitable for the replaceable suction head is generated, compared with the dust removal equipment of the fixed suction force of prior art, the suction force size does not need manual intervention to adjust, not only reduces the operation difficulty, also promotes work efficiency. DRAWINGS

[0027] The drawings described herein are used to provide further understanding of the utility model and constitute a part of the utility model, and the illustrative embodiment and the description of the utility model are used to explain the utility model and do not constitute improper limitation on the utility model.

[0028] Among them:

[0029] Figure 1 It is the overall structure schematic diagram of the utility model;

[0030] Figure 2 It is the local structure schematic diagram of the control handle and replaceable suction head in the utility model;

[0031] Figure 3 It is the local sectional structure schematic diagram of the control handle and replaceable suction head in the utility model;

[0032] Figure 4 It is the local sectional structure schematic diagram of the utility model highlighting interface;

[0033] Figure 5 It isFigure 4 Partial enlarged structure schematic view of middle A area;

[0034] Figure 6 Partial structure schematic view of the plug-in end in the utility model;

[0035] Figure 7 Partial structure schematic view of the highlighted replaceable suction head in the utility model;

[0036] Figure 8 Partial structure schematic view of the highlighted replaceable suction head in the utility model;

[0037] Figure 9 Connection principle block diagram of the utility model.

[0038] Label explanation:

[0039] 100, mobile workstation; 101, negative pressure motor; 102, connecting pipeline; 200, control handle; 201, main body; 2011, main cylinder; 2012, holding part; 2013, handle groove; 202, control button; 203, connecting cavity; 204, interface; 2041, first jack; 2042, second jack; 2043, connecting ring surface; 205, mounting hole; 206, limiting groove; 207, spring; 208, sealing ring; 300, replaceable suction head; 301, plug-in end; 302, first plug-in section; 303, second plug-in section; 304, air guide channel; 305, positioning rib; 306, positioning groove; 400, contact switch; 500, trigger piece; 501, limiting edge; 600, trigger structure; 700, control board; 800, motor controller. DETAILED DESCRIPTION

[0040] In order to make the technical problems, technical schemes and beneficial effects to be solved by the utility model more clear and explicit, the utility model is further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0041] Please refer to Figures 1 to 9 It is a machine room ventilation and dust removal equipment as the best embodiment of the utility model, which comprises a mobile workstation 100, a control handle 200, a replaceable suction head 300, a plurality of contact switches 400, a trigger piece 500 and a trigger structure 600, specifically:

[0042] The mobile workstation 100 is internally provided with a negative pressure motor 101 for generating negative pressure and a dust collection container (not shown in the figure) for collecting dust;

[0043] In this embodiment, the mobile workstation 100 is assisted in moving by universal wheels arranged on the bottom surface thereof (not shown in the figure), so that the entire dust removal device can be conveniently moved within the machine room.

[0044] The negative pressure motor 101 generates negative pressure by driving corresponding vanes to rotate, thereby generating corresponding negative pressure in the area. The above principle is the general negative pressure principle of a vacuum cleaner, which will not be described here.

[0045] The control handle 200 is connected to the negative pressure air path generated by the negative pressure motor 101 and the dust collection container through a connecting pipeline 102, and includes a main body 201 and a control button 202 arranged on the main body 201 and used to drive the negative pressure motor 101 to work. The inside of the main body 201 forms a connecting cavity 203 connected to the connecting pipeline 102, and the front side of the main body 201 forms an interface 204 connected to the outside environment and the connecting cavity 203.

[0046] In this embodiment, the main body 201 is the main component controlled by the user, which includes a main cylinder 2011 in a cylindrical shape and a holding portion 2012 integrally fixed to the peripheral wall surface of the main cylinder 2011. A handle groove 2013 is formed in the holding portion 2012 to facilitate the user to hold it by hand. The control button 202 is installed in the handle groove 2013, which is convenient for the user to press and control to trigger the corresponding function.

[0047] The main cylinder 2011 penetrates through the two ends in the axial direction to form the connecting cavity 203 connected to the connecting pipeline 102. The connecting pipeline 102 is connected to one end of the main cylinder 2011, and the interface 204 is arranged at the other end of the main cylinder 2011.

[0048] The replaceable suction head 300 has a plurality of different shapes of nozzles. The end of the replaceable suction head 300 is provided with a plug-in end 301 buckled and connected with the interface 204.

[0049] In this embodiment, the replaceable suction head 300 has three shapes, including a replaceable suction head 300 with a retractable nozzle (combined with Figure 2 ), a brush nozzle (combined with Figure 3 ), and a cylindrical nozzle (combined with Figure 4 ), which correspond to narrow range of cleaning area, electronic components located in the cleaning area, and large range of cleaning area, respectively.

[0050] A plurality of contact switches 400 are arranged in the interface 204. In this embodiment, the number of contact switches 400 is consistent with the number of replaceable suction heads 300, which is three. After a single contact switch 400 is triggered, it is used to make the negative pressure motor 101 work at a corresponding speed to generate different suction force.

[0051] The trigger 500 is arranged in the interface 204, and is used to trigger the contact switch 400 in the corresponding position in cooperation with the assembly of different replaceable suction heads 300.

[0052] The different replaceable suction heads 300 have trigger structures 600 matched with the triggers 500 in different positions.

[0053] Preferably, the plug end 301 comprises a first plug section 302 in a cylindrical shape and a second plug section 303 with a smaller diameter than the first plug section 302, and a gas guide channel 304 is formed in the inside of the first plug section 302 and the second plug section 303, so that a step is formed between the first plug section 302 and the second plug section 303, facilitating the plug cooperation.

[0054] The interface 204 comprises a first jack 2041 and a second jack 2042 respectively embedded with the first plug section 302 and the second plug section 303, and a connecting ring surface 2043 is formed between the first jack 2041 and the second jack 2042.

[0055] Preferably, the main body 201 is recessed inwardly at the position of the connecting ring surface 2043 to form a mounting hole 205 axially parallel to the plug end 301, the trigger 500 is a trigger shaft in a columnar shape arranged slidingly in the mounting hole 205, a limiting groove 206 is arranged in the mounting hole 205 for limiting the vertical extension range of the trigger shaft, a spring 207 is arranged in the limiting groove 206 for elastically lifting the trigger shaft, the spring 207 makes the trigger shaft have a tendency to keep protruding from the position of the mounting hole 205, the contact switch 400 is arranged at the bottom of the mounting hole 205, and the trigger switch 400 is triggered when the trigger shaft is pressed to the lowest position.

[0056] Specifically, the limiting groove 206 is a cylindrical area formed by expanding the diameter of the middle section of the mounting hole 205, and the trigger shaft is fixed with a ring-shaped limiting rib 501 in the cylindrical area, the limiting rib 501 is limited in the up and down movement by the cylindrical area, so that the up and down extension process of the trigger shaft is within a certain range.

[0057] Meanwhile, the spring 207 is arranged between the bottom surface of the limiting rib 501 and the bottom surface of the limiting groove 206 and is sleeved on the outer circumferential side of the trigger shaft, so that the limiting rib 501 can be kept at the highest position of the limiting groove 206 by the elastic support of the spring 207 in the normal state, and at this time, the trigger shaft protrudes from the uppermost end of the mounting hole 205.

[0058] The trigger structure 600 is a limiting hole opposite to the position of the trigger shaft, in the embodiment, the trigger shaft is provided with three groups, corresponding to three different contact switches 400, and is uniformly distributed around the periphery of the interface 204, and the number of limiting holes is also three.

[0059] In order to realize that different replaceable suction heads 300 trigger different contact switches 400, one of the limiting holes on the same replaceable suction head 300 has a smaller depth than the other limiting holes, so that when the replaceable suction head 300 is pressed down, the pressing and stretching distance of the trigger shaft corresponding to the limiting hole with the smallest depth is the largest, and this position is designed to just touch the contact switch 400, thereby triggering the contact switch 400.

[0060] Different replaceable suction heads 300 have different design positions of the limiting hole with the smallest depth, so that when different replaceable suction heads 300 are inserted into the interface 204, different trigger shafts at different positions can trigger different contact switches 400, and different contact switches 400 are designed to trigger corresponding speed controls of the motor controller 800, thereby controlling the speed of the negative pressure motor 101 to the appropriate range corresponding to the replaceable suction head 300, to generate the best suction force.

[0061] Preferably, a plurality of sealing rings 208 are arranged between the second plug-in section 303 and the second insertion hole 2042, and the sealing rings 208 are embedded by a sealing groove (not shown in the figure) to complete the installation process.

[0062] Through the design of the sealing ring 208, the sealing between the replaceable suction head 300 and the main body 201 can be enhanced, and the smoothness of the replaceable suction head 300 when inserted into the interface 204 can be improved to a certain extent.

[0063] Preferably, as shown in Figure 6 The outer circumferential side of the first plug-in section 302 protrudes to form a positioning rib 305 distributed along the axial direction thereof, and the first insertion hole 2041 is provided with a positioning groove 306 in limiting cooperation with the positioning rib 305.

[0064] Therefore, through the design of the positioning rib 305 and the positioning groove 306, the replaceable suction head 300 can be inserted at the same fixed angle, so that the press switch, the trigger shaft and the trigger structure 600 are one-to-one corresponding, and the assembly accuracy is improved.

[0065] Preferably, the snap connection structure of the replaceable suction head 300 is a limiting block and a limiting groove (not shown in the figure), the limiting block is movably arranged inside the interface 204, and the limiting groove is arranged on the outer wall of the plug-in end 301. After the plug-in end 301 is inserted into the interface 204, the limiting block is inserted into the limiting groove to limit the plug-in end 301.

[0066] The above structure is a common clamping structure in the prior art, the control of the limiting block can be triggered by the spring 207, and the limiting block can be pulled out of the limiting groove through a connecting rod structure. The above structure is easy to realize through the existing snap structure, and will not be described here.

[0067] Preferably, the control panel 700 and the motor controller 800 are further included, the control button 202 and the plurality of contact switches 400 are electrically connected to the input end of the control panel 700, and the motor controller 800 is electrically connected to the output end of the control panel 700.

[0068] In the embodiment, the control panel 700 is an MCU microprocessor, different contact switches 400 are triggered to send corresponding current signals to the control panel 700, the control panel 700 converts the current signals into corresponding pulse signals, and the motor controller 800 receives different pulse signals to keep the negative pressure motor 101 at different rotating speeds.

[0069] The beneficial effects of the utility model are as follows:

[0070] The utility model discloses a plurality of replaceable suction heads 300 are used to deal with different cleaning areas, and the complex and changeable layout inside the rack requires suction heads with various shapes to adapt to various cleaning areas and improve dust removal efficiency.

[0071] Meanwhile, the utility model discloses the trigger structure 600 of triggering the contact switch 400 of corresponding position to each replaceable suction head 300 design, thereby automatically adapting the rotating speed of the corresponding negative pressure motor 101 to different replaceable suction heads 300, so that the suction force size suitable for the replaceable suction head 300 is generated, compared with the existing fixed suction force dust removal equipment, the suction force size does not need manual intervention to adjust, not only reduces the operation difficulty, also promotes work efficiency.

[0072] The utility model has been described above in conjunction with the drawings, and obviously, the specific implementation of the utility model is not limited by the above mode, as long as various non-essential improvements are adopted by using the method concept and technical scheme of the utility model, or the concept and technical scheme of the utility model are directly applied to other occasions without improvement, all are within the protection scope of the utility model.

Claims

1. A machine room ventilation and dust removal apparatus, characterized by comprising: The utility model relates to a mobile work station (100) comprising a negative pressure motor (101) for generating negative pressure and a dust collecting container for collecting dust, a control handle (200) for connecting the negative pressure air path generated by the negative pressure motor (101) and the dust collecting container through a connecting pipeline (102), the control handle (200) comprising a main body (201) and a control button (202) arranged on the main body (201) and used for driving the negative pressure motor (101) to work, a connecting cavity (203) formed in the inner side of the main body (201) and connected with the connecting pipeline (102), and an interface (204) formed on the front side of the main body (201) and connected with the external environment and the connecting cavity (203), a replaceable suction head (300) with a plurality of suction nozzles of different shapes, the replaceable suction head (300) being provided with a plug-in end (301) for being buckled with the interface (204), a plurality of contact switches (400) arranged in the interface (204), each of the contact switches (400) being used for enabling the negative pressure motor (101) to work at a corresponding rotating speed to generate different suction forces after being triggered, a trigger member (500) arranged in the interface (204) and used for triggering the corresponding contact switch (400) in cooperation with the assembly of different replaceable suction heads (300), wherein the different replaceable suction heads (300) are provided with trigger structures (600) matched with the trigger members (500) at different positions. The plug-in end (301) comprises a first plug-in section (302) in a cylindrical shape and a second plug-in section (303) with a smaller diameter than the first plug-in section (302), a gas guide channel (304) formed in the inner sides of the first plug-in section (302) and the second plug-in section (303), and the interface (204) comprises a first insertion hole (2041) and a second insertion hole (2042) respectively embedded with the first plug-in section (302) and the second plug-in section (303), and a connecting annular surface (2043) formed between the first insertion hole (2041) and the second insertion hole (2042). The main body (201) is recessed inward at the position of the connecting annular surface (2043) to form a mounting hole (205) axially parallel to the plug-in end (301), the trigger member (500) is a trigger shaft in a columnar shape slidingly arranged in the mounting hole (205), the mounting hole (205) is provided with a limiting groove (206) for limiting the vertical extension range of the trigger shaft, the limiting groove (206) is provided with a spring (207) for elastically lifting the trigger shaft, the spring (207) enables the trigger shaft to have a tendency to keep protruding from the mounting hole (205), the contact switch (400) is arranged at the bottom of the mounting hole (205), and the trigger shaft is triggered when being pressed to the lowest position. The mounting hole (205) is provided with at least three around the connecting annular surface (2043). ​ ​ ​ 2. The machine room ventilation and dust removal equipment according to claim 1, characterized in that, ​ 3. The machine room ventilation and dust removal equipment according to claim 2, characterized in that, ​ 4. The machine room ventilation and dust removal equipment according to claim 3, characterized in that, ​ 5. The machine room ventilation and dust removal apparatus according to claim 4, wherein The replaceable suction head (300) is recessed inward at the position of the connecting ring surface (2043) to form a number of limiting holes opposite to the mounting holes (205), one of the limiting holes of the replaceable suction head (300) has a smaller depth than the others, so that the limiting hole with smaller depth can trigger the contact switch (400), and the position of the limiting hole with smaller depth of different replaceable suction heads (300) is different to trigger different contact switches (400).

6. The machine room ventilation and dust removal equipment according to claim 2, characterized in that, A plurality of sealing rings (208) are arranged between the second plug-in section (303) and the second jack (2042).

7. The machine room ventilation and dust removal equipment according to claim 2, characterized in that, The outer circumferential side of the first plug-in section (302) protrudes to form a positioning rib (305) distributed along the axial direction thereof, and the first jack (2041) is provided with a positioning groove (306) in limiting cooperation with the positioning rib (305).

8. The machine room ventilation and dust removal equipment according to claim 1, characterized in that, The replaceable suction head (300) includes a retractable suction nozzle, a brush-type suction nozzle, and a cylindrical suction nozzle, which correspond to a narrow range of cleaning areas, electronic component-containing cleaning areas, and large-range cleaning areas, respectively.

9. The machine room ventilation and dust removal equipment according to claim 1, characterized in that, The buckle connection structure of the replaceable suction head (300) is specifically a limiting block and a limiting groove, the limiting block is movably arranged on the inner side of the interface (204), the limiting groove is arranged on the outer side wall of the plug-in end (301), and after the plug-in end (301) is inserted into the interface (204), the limiting block penetrates into the limiting groove to limit the plug-in end (301).

10. The machine room ventilation and dust removal equipment according to claim 1, characterized in that, The control board (700) and the motor controller (800) are further included, the control button (202) and the plurality of contact switches (400) are electrically connected to the input end of the control board (700), and the motor controller (800) is electrically connected to the output end of the control board (700).

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