An intelligent power demand protection control device for electric power users

By designing trigger components and moisture-proof components in the smart power user demand power protection control device, automatic moisture-proof and filter plate cleaning is achieved, which solves the problem that traditional devices are prone to failure in humid environments and rely on manual labor for filter plate cleaning, and improves the stability and maintenance efficiency of the device.

CN119787116AInactive Publication Date: 2025-04-08FOSHAN YUNTIAN INTELLIGENT POWER TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202411914963.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-24
Publication Date
2025-04-08
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

In power systems, traditional smart power user demand power protection control devices are prone to electrical failures such as short circuits and leakage in humid environments, and the cleaning of the filter plate depends on manual maintenance, making it difficult to ensure timeliness and thoroughness.

Method used

An intelligent power user demand power protection control device is designed, using trigger components and moisture-proof components, and automatically trigger moisture-proof and cleaning through filter plates, spring grooves, large springs, limit blocks and other structures, and automatic cleaning of filter plates is achieved by combining servo motors, vacuum pumps and other components.

Benefits of technology

The device can automatically detect and respond to humidity changes, prevent electrical components from failing due to moisture, improve the stability and reliability of the device. At the same time, by automatically cleaning the filter plate, the labor maintenance needs are reduced and maintenance efficiency is improved.

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Abstract

The present invention relates to the field of electric power control technology, and discloses an intelligent power demand protection control device for electric power users, the intelligent power demand protection control device for electric power users comprises a main body, a door panel is arranged on the main body, a handle is fixedly connected to the door panel, a trigger assembly is arranged on the main body, the trigger assembly comprises a filter plate, a filter plate is arranged on the main body, a spring slot is opened on the main body, and the filter plate is slidably connected in the filter plate. In order to automatically trigger moisture-proof and cleaning according to the humidity change of the filter plate, the intelligent power demand protection control device for electric power users is provided with a trigger assembly, in conjunction with the filter plate, spring slot, large spring, long rod, limit block, rotating block, rotating column, small slot, limit plate, lower controller and upper controller, so as to accurately control humidity, and the layout of the air outlet pipe and the air outlet is reasonable, and moisture-proof is achieved in all directions, so that the multi-tube and multi-suction head design can prevent dust residue, which saves manpower time and improves maintenance efficiency.
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Description

Technical Field

[0001] The present invention relates to the technical field of power control, and in particular to an intelligent power demand protection control device for power users. Background Art

[0002] In modern power systems, intelligent power user demand power protection control devices play an extremely critical role. They are indispensable for ensuring the stability and reliability of power supply and the rational allocation of power resources.

[0003] However, in the actual use of the above-mentioned equipment, with the rapid development of power technology, various types of electrical equipment in the power system are increasing and becoming increasingly sophisticated. The requirements of these equipment for the operating environment are becoming more and more stringent, especially the control of humidity. In actual operation scenarios, due to the complex and diverse environment in which the power facilities are located, the humid environment will cause water vapor to condense on the surface of the electrical components inside the device, which will then cause electrical faults such as short circuits and leakage. In severe cases, it may even cause the entire power control system to be paralyzed, causing huge losses to the power supply, affecting industrial production, commercial operations, and residents' lives. At the same time, the accumulation of dust is also a problem that cannot be ignored. For traditional equipment, the filter plate is the first line of defense to prevent dust from entering the equipment. After a period of use, it will absorb a lot of dust. However, the cleaning of these filter plates often relies on regular manual maintenance. This method not only consumes a lot of manpower and time costs, but also makes it difficult to ensure the timeliness and thoroughness of cleaning. Once there is too much dust on the filter plate, it will cause poor air intake, affecting the heat dissipation performance of the equipment, and then causing the electrical components to overheat and perform poorly or be damaged.

[0004] Therefore, we propose an intelligent power user demand power protection control device. Summary of the invention

[0005] The purpose of the present invention is to provide an intelligent power demand protection control device for power users to solve the problems raised in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] An intelligent power demand protection control device for electric power users comprises a main body, a door panel is arranged on the main body, a handle is fixedly connected to the door panel, and a trigger component is arranged on the main body, and the trigger component comprises:

[0008] A filter plate, the main body is provided with a filter plate, the main body is provided with a spring slot, the filter plate is slidably connected in the filter plate, a large spring is fixedly connected to the filter plate, the large spring is fixedly connected in the spring slot, a long rod is fixedly connected to the filter plate, and a limit block is fixedly connected to the long rod;

[0009] A rotating block, the long rod is rotatably connected with the rotating block, the rotating block is rotatably connected with a rotating column, a small groove is provided in the spring groove, and the rotating column is rotatably connected in the small groove;

[0010] A limiting plate is fixedly connected in the small groove, a lower controller is fixedly installed under the limiting plate, and an upper controller is fixedly installed on the limiting plate.

[0011] Preferably, two groups of spring grooves are provided, and the two groups of spring grooves are mirrored at the left and right ends of the main body with the vertical midline in the up and down directions of the main body as the mirror axis. The two groups of spring grooves are like two stable "tracks" that guide the filter plate to move smoothly, ensuring that the large spring can be evenly stressed when compressed, avoiding undesirable phenomena such as spring twisting and deformation and uneven wear of the spring groove due to excessive concentration of force on one side.

[0012] Preferably, two groups of large springs are provided, and the two groups of large springs are mirrored at the left and right ends of the main body with the vertical midline in the up and down directions of the main body as the mirror axis. The two groups of symmetrically distributed large springs can effectively avoid the failure of the entire trigger system due to problems such as fatigue, fracture or change in elastic coefficient of a single spring.

[0013] Preferably, the limit plate is fixedly installed in the middle of the small groove, and the position of the limit plate is accurately set so that the rotating column can accurately touch the lower controller installed below the limit plate. This high-precision triggering action can timely and accurately start the moisture-proof component, effectively avoiding the exposure of the internal electrical components of the device to a humid environment for too long due to delayed or inaccurate triggering, thereby preventing serious faults such as short circuits, leakage, corrosion, etc. caused by moisture in the electrical components to the greatest extent.

[0014] Preferably, a moisture-proof component is provided on the main body, a support plate is fixedly connected to the main body, a blower is fixedly installed on the support plate, an air outlet pipe is fixedly connected to the blower, a heating wire is sleeved on the outer side of the air outlet pipe, and an air outlet is fixedly connected to the air outlet pipe.

[0015] Preferably, the support plate is arranged at the lower right side of the main body. When the blower is working, air is inhaled from the outside. Its lower right position is conducive to forming a smoother air intake airflow channel, reducing the air intake resistance that may be caused by unreasonable spatial layout, improving the working efficiency of the blower, and further enhancing the effect of the entire moisture-proof component on regulating the air humidity inside the equipment.

[0016] Preferably, a cleaning assembly is provided on the filter plate, a servo motor is fixedly mounted on the main body, a screw rod is fixedly connected to the output end of the servo motor, a slider is threadedly connected to the screw rod, a scraper is fixedly connected to the slider, a fixed plate is fixedly connected to the scraper, a dust pump is fixedly mounted on the fixed plate, a dust pipe is fixedly connected to the dust pump, a short tube is fixedly connected to the dust tube, a suction head is fixedly connected to the short tube, and a collection box is provided on the dust pump.

[0017] Preferably, multiple groups of the short tubes and suction heads are provided, and the multiple groups of the short tubes and suction heads are arranged in a linear array at equal intervals on one side of the dust suction pipe. Such extensive and comprehensive dust suction coverage can ensure that no matter where the dust is concentrated on the filter plate, it can be efficiently cleaned and collected, thereby greatly improving the thoroughness and comprehensiveness of the filter plate cleaning.

[0018] Preferably, there are two groups of dust suction pipes, and the two groups of dust suction pipes use the vertical center line of the front-to-rear direction of the scraper as the mirror axis, and are mirrored at the left and right ends of the scraper. The symmetrical layout of the two groups of dust suction pipes can make the dust suction area cover the entire width direction of the filter plate, and both the left and right edges of the filter plate can be effectively dusted.

[0019] Preferably, the suction head is arranged on both sides of the scraper blade, so that the dust suction and scraper cleaning work can be closely coordinated. The suction head can immediately suck away the dust the moment the scraper blade scrapes off the dust, effectively avoiding the dust from remaining on the surface of the filter plate, maintaining the cleanliness of the filter plate, thereby ensuring that the filtering performance of the filter plate is always in the best state.

[0020] Compared with the prior art, the present invention provides an intelligent power demand protection control device for electric power users, which has the following beneficial effects:

[0021] 1. In order to automatically trigger moisture-proof and cleaning according to the humidity changes of the filter plate, the intelligent power user demand power protection control device is equipped with a trigger component, which cooperates with the filter plate, spring slot, large spring, long rod, limit block, rotating block, rotating column, small slot, limit plate, lower controller and upper controller to accurately control humidity. The air outlet pipe and air outlet are reasonably arranged and moisture-proof in all directions. The multi-tube and multi-suction head design prevents dust residue, which saves manpower time and improves maintenance efficiency.

[0022] 2. The intelligent power demand protection control device prevents the humid environment from damaging the internal electrical components of the device. By setting up moisture-proof components, cooperating with support plates, blowers, air outlet pipes, heating wires and air outlets, the normal operation and service life of the electrical components are guaranteed, the risks of short circuits, corrosion and other failures caused by moisture are reduced, and the stability and reliability of the entire device operation are improved.

[0023] 3. In order to ensure that the filter plate is always in a good filtering state and prevent clogging, the intelligent power user demand power protection control device is equipped with a cleaning component, which cooperates with a servo motor, a screw rod, a slider, a scraper, a fixing plate, a dust pump, a dust suction tube, a short tube, a suction head and a collection box, thereby ensuring the cleanliness of the device's air intake and facilitating the stable operation of the electrical components inside the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural schematic diagram of the present invention as a whole;

[0025] Figure 2 It is a schematic cross-sectional view of the main structure of the present invention;

[0026] Figure 3 It is a cross-sectional schematic diagram of the trigger assembly of the structure of the present invention;

[0027] Figure 4 For the present invention Figure 3 Schematic diagram of the enlarged structure of the middle B area;

[0028] Figure 5 It is a schematic diagram of the front structure of the present invention;

[0029] Figure 6 For the present invention Figure 5 A schematic diagram of the enlarged structure of the middle A area;

[0030] Figure 7 It is a schematic top view of the structure section of the present invention;

[0031] Figure 8 It is a left side schematic diagram of the structure of the present invention.

[0032] In the figure: 1. main body; 2. door panel; 3. handle; 4. trigger assembly; 41. filter plate; 42. spring slot; 43. large spring; 44. long rod; 45. limit block; 46. rotating block; 47. rotating column; 48. small slot; 49. limit plate; 410. lower controller; 411. upper controller; 5. moisture-proof assembly; 51. support plate; 52. blower; 53. air outlet pipe; 54. heating wire; 55. air outlet; 6. cleaning assembly; 61. servo motor; 62. screw rod; 63. slider; 64. scraper; 65. fixing plate; 66. dust pump; 67. dust pipe; 68. short pipe; 69. suction head; 610. collection box. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] In order to enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only embodiments of a part of the present application, rather than all of the embodiments.

[0035] Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making any creative work should fall within the scope of protection of this application.

[0036] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the numbers used in this way can be interchanged where appropriate, so as to describe the embodiments of the present application described herein.

[0037] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0038] In addition, some of the above terms may be used to express other meanings in addition to indicating orientation or positional relationship. For example, the term "on" may also be used to express a certain dependency or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in this application can be understood according to specific circumstances.

[0039] In addition, the terms "installed", "set", "provided with", "connected", "connected", and "socketed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0040] It should be noted that, in the absence of conflict, the embodiments in the present application and the features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0041] See also Figure 1 - Figure 8 , the present invention provides a technical solution:

[0042] An intelligent power demand protection control device for electric power users comprises a main body 1, a door panel 2 is arranged on the main body 1, a handle 3 is fixedly connected to the door panel 2, and a trigger component 4 is arranged on the main body 1.

[0043] In one embodiment of the present invention, the trigger assembly 4 includes a filter plate 41, a filter plate 41 is arranged on the main body 1, a spring groove 42 is opened on the main body 1, two groups of spring grooves 42 are arranged, and the two groups of spring grooves 42 take the vertical midline of the main body 1 in the up-down direction as the mirror axis, and the mirror image is arranged at the left and right ends of the main body 1, the filter plate 41 is slidably connected in the filter plate 41, a large spring 43 is fixedly connected to the filter plate 41, two groups of large springs 43 are arranged, and the two groups of large springs 43 take the vertical midline of the main body 1 in the up-down direction as the mirror axis, and the mirror image is arranged at the left and right ends of the main body 1, the large spring 43 is fixedly connected in the spring groove 42, and a long rod 44 is fixedly connected to the filter plate 41. As time goes by, the filter plate 41 will gradually absorb impurities such as dust, and when there is too much dust on the surface of the filter plate 41 and it increases in weight due to moisture, the filter plate 41 slides downward along the spring groove 42 under the action of its own gravity, and the sliding of the filter plate 41 drives the fixedly connected large spring 43 to be compressed, and at the same time When the filter plate 41 is in the state of being moved downward, the long rod 44 fixed on the filter plate 41 also moves downward accordingly, and the limited block 45 is fixedly connected to the long rod 44, and a rotating block 46 is rotatably connected to the long rod 44, and a rotating column 47 is rotatably connected to the rotating block 46. A small groove 48 is opened in the spring groove 42, and the rotating column 47 is rotatably connected in the small groove 48, and a limited plate 49 is fixedly connected in the small groove 48. The limiting plate 49 is fixedly installed in the middle of the small groove 48, and a lower controller 410 is fixedly installed under the limiting plate 49. The long rod 44 drives the rotating block 46 rotatably connected thereto to move, and the rotating block 46 further drives the rotating column 47 to slide in the small groove 48. When the rotating column 47 rotates to a certain extent, it will touch the lower controller 410 under the limiting plate 49. After the lower controller 410 is triggered, a signal will be sent, and an upper controller 411 is fixedly installed on the limiting plate 49, so that the weight will become lighter, so that the rotating column 47 will slide along the small groove 48, and thus will contact the upper controller 411.

[0044] In one embodiment of the present invention, a moisture-proof component 5 is provided on the main body 1, a support plate 51 is fixedly connected to the main body 1, the support plate 51 is arranged at the lower right bottom of the main body 1, a blower 52 is fixedly installed on the support plate 51, an air outlet pipe 53 is fixedly connected to the blower 52, a heating wire 54 is sleeved on the outer side of the air outlet pipe 53, an air outlet 55 is fixedly connected to the air outlet pipe 53, after the lower controller 410 is triggered, a signal is sent, at this time, the blower 52 and the heating wire 54 are turned on, the blower 52 on the support plate 51 is started, the blower 52 starts to work, and the external air is sucked in through the air outlet pipe 53, at the same time, the heating wire 54 on the outer side of the air outlet pipe 53 is energized and heated, and the passing air is heated, and the heated air forms hot air, and the hot air is blown to various corners inside the device through the air outlet 55, thereby reducing the humidity inside the device, preventing the humid environment from causing damage to the electrical components inside the device, and performing moisture-proof work.

[0045] In one embodiment of the present invention, a cleaning component 6 is provided on the filter plate 41, a servo motor 61 is fixedly installed on the main body 1, a screw rod 62 is fixedly connected to the output end of the servo motor 61, a slider 63 is threadedly connected to the screw rod 62, a scraper 64 is fixedly connected to the slider 63, a fixed plate 65 is fixedly connected to the scraper 64, a dust suction pump 66 is fixedly installed on the fixed plate 65, a dust suction pipe 67 is fixedly connected to the dust suction pump 66, there are two groups of dust suction pipes 67, and the two groups of dust suction pipes 67 are mirrored with the vertical midline of the front and rear directions of the scraper 64 as the mirror axis, and the mirror images are arranged at the left and right ends of the scraper 64, a short tube 68 is fixedly connected to the dust suction pipe 67, a suction head 69 is fixedly connected to the short tube 68, and the suction head 69 is arranged on both sides of the scraper 64, and the short tube 68 and the suction head There are multiple groups of heads 69, and multiple groups of short tubes 68 and suction heads 69 are arranged in a linear array at equal intervals on one side of the dust suction pipe 67. A collection box 610 is arranged on the dust suction pump 66. When the filter plate 41 becomes dry, the servo motor 61 on the main body 1 is started, and the servo motor 61 drives the screw rod 62 to start rotating. When the screw rod 62 rotates, the slider 63 starts to move along the screw rod 62. The slider 63 drives the fixedly connected scraper 64 to move on the surface of the filter plate 41. The scraper 64 scrapes off the dust and other impurities attached to the surface of the filter plate 41. At the same time, the dust suction pump 66 on the fixed plate 65 is started, and the dust suction pump 66 sucks the scraped dust into the collection box 610 through the dust suction pipe 67, the short tube 68 and the suction head 69, so that the scraped dust can be collected comprehensively and efficiently.

[0046] Working principle: as time goes by, the filter plate 41 will gradually absorb impurities such as dust, and when there is too much dust on the surface of the filter plate 41 and it increases in weight due to moisture, the filter plate 41 slides downward along the spring groove 42 under the action of its own gravity, and the sliding of the filter plate 41 drives the large spring 43 fixedly connected to it to be compressed, and at the same time, the long rod 44 fixed on the filter plate 41 also moves downward, and the long rod 44 drives the rotating block 46 connected to it to move, and the rotating block 46 then drives the rotating column 47 to slide in the small groove 48. When the rotating column 47 rotates to a certain extent, it will touch the lower controller 410 under the limit plate 49. After the lower controller 410 is triggered, it will send a signal, and at this time, the blower 52 and the heating wire 54 are turned on, and the blower 52 on the support plate 51 is started. The blower 52 starts to work and sucks in the external air through the air outlet pipe 53. At the same time, the heating wire 54 on the outside of the air outlet pipe 53 is energized and heated to heat the passing air. The heated air forms hot air, which is blown to every corner of the device through the air outlet 55, thereby reducing the humidity inside the device, preventing the humid environment from damaging the electrical components inside the device, and performing moisture-proof work. When the filter plate 41 becomes dry, the weight becomes lighter, so that the rotating column 47 slides along the small groove 48, thereby contacting the upper controller 411, thereby starting the servo motor 61 on the main body 1, and the servo motor 61 drives the screw rod 62 to start rotating. When the screw rod 62 rotates, the slider 63 starts to move along the screw rod 62, and the slider 63 drives the fixedly connected scraper 64 to move on the surface of the filter plate 41, and the scraper 64 scrapes off the dust and other impurities attached to the surface of the filter plate 41. At the same time, the dust suction pump 66 on the fixed plate 65 is started, and the dust suction pump 66 sucks the scraped dust into the collection box 610 through the dust suction pipe 67, the short pipe 68 and the suction head 69, so that the scraped dust can be collected comprehensively and efficiently.

[0047] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not depart from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. An intelligent power demand protection control device for electric power users, comprising a main body (1), characterized in that: The main body (1) is provided with a door panel (2), the door panel (2) is fixedly connected with a handle (3), and the main body (1) is provided with a trigger assembly (4), the trigger assembly (4) comprising: A filter plate (41), the main body (1) is provided with a filter plate (41), the main body (1) is provided with a spring groove (42), the filter plate (41) is slidably connected in the filter plate (41), a large spring (43) is fixedly connected to the filter plate (41), the large spring (43) is fixedly connected in the spring groove (42), the filter plate (41) is fixedly connected with a long rod (44), and a limiting block (45) is fixedly connected to the long rod (44); A rotating block (46), the long rod (44) is rotatably connected to the rotating block (46), the rotating block (46) is rotatably connected to a rotating column (47), a small groove (48) is provided in the spring groove (42), and the rotating column (47) is rotatably connected in the small groove (48); A limit plate (49) is fixedly connected in the small groove (48), a lower controller (410) is fixedly installed under the limit plate (49), and an upper controller (411) is fixedly installed on the limit plate (49).

2. The intelligent power demand protection control device according to claim 1, characterized in that: Two groups of spring grooves (42) are provided, and the two groups of spring grooves (42) are mirrored at the left and right ends of the main body (1) with the vertical midline of the main body (1) in the up-down direction as the mirror axis.

3. The intelligent power demand protection control device according to claim 1, characterized in that: Two groups of the large springs (43) are provided, and the two groups of the large springs (43) are mirrored at the left and right ends of the main body (1) with the vertical midline of the main body (1) in the up and down directions as the mirror axis.

4. The intelligent power demand protection control device according to claim 1, characterized in that: The limiting plate (49) is fixedly installed in the middle of the small groove (48).

5. The intelligent power demand protection control device according to claim 1, characterized in that: The main body (1) is provided with a moisture-proof component (5), the main body (1) is fixedly connected with a support plate (51), the support plate (51) is fixedly mounted with a blower (52), the blower (52) is fixedly connected with an air outlet pipe (53), a heating wire (54) is sleeved on the outer side of the air outlet pipe (53), and an air outlet (55) is fixedly connected to the air outlet pipe (53).

6. The intelligent power demand protection control device for electric power users according to claim 5, characterized in that: The support plate (51) is arranged at the lower right side of the main body (1).

7. The intelligent power demand protection control device according to claim 1, characterized in that: The filter plate (41) is provided with a cleaning assembly (6), the main body (1) is fixedly mounted with a servo motor (61), the output end of the servo motor (61) is fixedly connected with a screw rod (62), the screw rod (62) is threadedly connected with a slider (63), the slider (63) is fixedly connected with a scraper (64), the scraper (64) is fixedly connected with a fixing plate (65), the fixing plate (65) is fixedly mounted with a dust suction pump (66), the dust suction pump (66) is fixedly connected with a dust suction pipe (67), the dust suction pipe (67) is fixedly connected with a short pipe (68), the short pipe (68) is fixedly connected with a suction head (69), and the dust suction pump (66) is provided with a collection box (610).

8. The intelligent power demand protection control device for electric power users according to claim 7, characterized in that: The short tubes (68) and the suction heads (69) are provided in multiple groups, and the multiple groups of the short tubes (68) and the suction heads (69) are arranged in a linear array at equal intervals on one side of the dust suction tube (67).

9. The intelligent power demand protection control device according to claim 7, characterized in that: There are two groups of dust suction pipes (67), and the two groups of dust suction pipes (67) use the vertical center line of the scraper (64) in the front-rear direction as the mirror axis, and are mirror-arranged at the left and right ends of the scraper (64).

10. The intelligent power demand protection control device for electric power users according to claim 7, characterized in that: The suction head (69) is arranged on both sides of the scraper (64).