Intelligent fuse control terminal with one-button sequential control function

Abstract

The present invention discloses an intelligent fuse control terminal with a one-key sequential control function, comprising an insulator, wherein the lower end of the insulator is rotatably connected to a rocker arm, a fuse tube and an electric push rod are respectively connected to the upper right side of the rocker arm, an upper moving contact is installed at the upper end of the fuse tube, an upper static contact is arranged above the fuse tube, an incoming line contact is arranged at the adjacent position of the upper static contact, and an outgoing line contact is arranged at the lower end of the insulator; a mounting bracket is installed at the middle part of the insulator, a motor cover is installed on the upper side of the mounting bracket, a servo motor is installed inside the motor cover, and a rotating rod is connected to the output end of the servo motor. The intelligent fuse control terminal with a one-key sequential control function realizes the one-key sequential control in the controller program, and can execute the opening and closing commands in an automatic sequence according to the opening sequence parameters, thereby avoiding the risk of human operation errors and safety accidents.

Description

Technical Field

[0001] The present invention relates to the technical field related to intelligent fuses, and in particular to an intelligent fuse control terminal with a one-button sequential control function. Background Art

[0002] High-voltage drop-out fuses are currently widely used in 10KV distribution lines. They are installed on the high-voltage side of distribution transformers or on branch lines of distribution lines for protection and equipment switching operations. Their main advantages are low cost, easy operation, and strong adaptability to outdoor environments. They are installed on 10KV distribution line branches to reduce the scope of power outages. Because they have an obvious disconnection point and have the function of an isolating switch, they create a safe working environment for maintenance lines and equipment and increase the sense of security of maintenance personnel. However, since the opening and closing of fuses requires manual operation of high-voltage electrical equipment with insulating operating rods, there are greater safety hazards. In order to eliminate safety hazards, the intelligent equipment is gradually being realized.

[0003] Among them, the publication number CN109449066A is named an intelligent drop-out fuse system, which has a remote communication function and can remotely control the closing and opening of the fuse, but it does not have the function of three-phase continuous automatic closing and opening. This method of operating a single phase fuse has low operating efficiency and is prone to errors in the closing and opening sequence, which may cause safety accidents. Therefore, we proposed an intelligent fuse control terminal with a one-button sequential control function to solve the above-mentioned problems. Summary of the invention

[0004] The purpose of the present invention is to provide an intelligent fuse control terminal with a one-button sequential control function to solve the problem raised in the above background technology that there is currently no three-phase continuous automatic closing and opening function on the market. This single operation of a phase fuse has low operating efficiency and is prone to errors in the closing and opening sequence, which may cause safety accidents.

[0005] To achieve the above object, the present invention provides the following technical solution: an intelligent fuse control terminal with a one-button sequential control function, comprising an insulator, the lower end of the insulator is rotatably connected to a rocker arm, the upper right side of the rocker arm is respectively connected to a fuse tube and an electric push rod, the upper end of the fuse tube is installed with an upper moving contact, the upper part of the fuse tube is provided with an upper static contact, an incoming line contact is provided at an adjacent position of the upper static contact, and the lower end of the insulator is provided with an outgoing line contact;

[0006] A mounting bracket is installed in the middle of the insulator, a motor cover is installed on the upper side of the mounting bracket, a servo motor is installed inside the motor cover, a rotating rod is connected to the output end of the servo motor, and a gear is connected to the outer key of the rotating rod;

[0007] The motor cover is internally slidably connected with a driving rod, the end of the driving rod is hinged with a connecting rod, the outer side of the connecting rod is sleeved with an insulating push-pull rod, the lower end of the insulating push-pull rod is hinged to the rocker arm, the inner side surface of the driving rod is connected with a tooth block, and the tooth block and the gear are meshed with each other.

[0008] Preferably, a spring is connected inside the connecting rod, the upper end of the spring is connected to a locking rod, a convex rod is installed below the left end of the locking rod, a first electromagnet is installed at the lower end of the convex rod, and a through hole is opened on the lower side surface of the left end of the connecting rod.

[0009] Preferably, a locking hole is provided on the inner wall of the insulating push-pull rod, a mounting plate is installed on the left end of the insulating push-pull rod, and a second electromagnet is installed on the upper side of the mounting plate.

[0010] Preferably, the end of the insulator is rotatably connected to a rotating shaft, a wind bowl is installed on the outer side of the rotating shaft, a connecting frame is connected to the outer side of the rotating shaft, and a cleaning plate is installed on the end of the connecting frame.

[0011] Preferably, the driving rod is a U-shaped structure, and tooth blocks are evenly spaced at the connection between the driving rod and the gear. This design can control the movement of the driving rod by utilizing the rotation of the gear.

[0012] Preferably, the connecting rod and the insulating push-pull rod are slidably connected. This design can realize the separate movement of the insulating push-pull rod and the connecting rod, and the fuse can be manually opened and closed.

[0013] Preferably, the locking rod is a "U"-shaped structure, and the locking rod forms an elastic structure with the connecting rod through a spring. The right end of the locking rod and the locking hole are engaged with each other. This design can flexibly adjust the position of the locking rod. When the locking rod and the locking hole are engaged, the synchronous movement of the connecting rod and the insulating push-pull rod is achieved.

[0014] Preferably, the position of the first electromagnet is arranged to correspond to the position of the through hole and the second electromagnet, and the first electromagnet and the second electromagnet are magnets of the same polarity. This design can repel each other and push the locking rod to move when the first electromagnet and the second electromagnet are powered on, so that the locking rod is stuck in the locking hole.

[0015] Preferably, the wind bowl and the cleaning plate are coaxially connected, and the cleaning plate fits the surface of the insulator shed. This design can use wind to drive the wind bowl to rotate, thereby controlling the rotation of the cleaning plate to clean the insulator.

[0016] Preferably, the intelligent fuse control terminal also includes a controller program, which controls the opening and closing sequence of the fuse, realizes one-button sequential control, and can realize the automatic opening and closing of the three-phase electric-controlled drop-out fuse in sequence. First, set the parameters: there are two opening sequences, namely BAC and BCA, and this parameter can be set remotely, locally or by mobile phone text message;

[0017] There are three ways to realize one-key sequential control function:

[0018] 1. Hold the remote control and manually operate it to realize the one-button sequential closing or opening function of the intelligent fuse;

[0019] 2. Remote control, through GPRS network communication, to achieve the one-button sequential closing or opening function of the intelligent fuse;

[0020] 3. Send SMS to the smart fuse controller via mobile phone to realize the one-key sequential control closing or opening function of the smart fuse;

[0021] For example: when the opening sequence is BAC, the opening command is sent remotely, or the opening command is issued locally using a remote control. The fuse controller will automatically open phase B first, then phase A, and finally phase C. When the fuse controller receives a closing command, it closes phase C first, then phase A, and finally phase B, in the opposite order to the opening sequence. Similarly, when the opening sequence is BCA, the controller automatically performs opening in the order of BCA, and the order is reversed when closing. The present invention can receive opening and closing commands according to the opening sequence parameters, and the fuse controller executes them in an automatic order, thereby avoiding human operating errors and the risk of safety accidents.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] (1) The intelligent fuse control terminal with one-button sequential control function implements one-button sequential control in the controller program. According to the opening sequence parameters, the fuse controller receives the opening and closing commands and executes them in an automatic sequence, thus avoiding the risk of human operation errors and safety accidents.

[0024] (2) The intelligent fuse control terminal with a one-button sequential control function utilizes the repulsive force of the first and second electromagnets with the same polarity distribution when they are powered on to drive the locking rod to get stuck in the locking groove, so that the connecting rod and the insulating push-pull rod are locked. Therefore, the servo motor can be driven to control the movement of the insulating push-pull rod, and the fuse can be opened and closed intelligently. When the first and second electromagnets are powered off, the spring controls the locking rod to reset and move out of the locking hole, so that the connecting rod and the insulating push-pull rod are separated. At this time, the insulating push-pull rod can slide outside the connecting rod, and the insulating rod can be used manually to pull the fuse to open and close. Both fuse opening and closing methods can be used to avoid the failure of the intelligent system affecting the opening and closing of the fuse.

[0025] (3) The intelligent fuse control terminal with one-button sequential control function uses wind to drive the wind bowl to rotate, thereby controlling the rotation of the coaxially connected cleaning plate. The cleaning plate moves on the surface of the fitted insulator shed to scrape and clean it, avoiding the accumulation of stains on the surface of the insulator and avoiding the flashover phenomenon of the insulator, thereby ensuring the insulation performance of the insulator. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a schematic diagram of the main structure of the intelligent fuse of the present invention;

[0027] Figure 2 This is a schematic diagram of the three-phase parallel installation of the intelligent fuse of the present invention;

[0028] Figure 3 This is a schematic diagram of the structure of the insulating push-pull rod of the present invention;

[0029] Figure 4 It is a schematic diagram of the cross-sectional structure of the connecting rod of the present invention;

[0030] Figure 5 For the present invention Figure 4 A is an enlarged structural diagram;

[0031] Figure 6 It is a schematic diagram of the cross-sectional structure of the driving rod of the present invention;

[0032] Figure 7 For the present invention Figure 6 The enlarged structural diagram at B in FIG.

[0033] Figure 8 This is a schematic diagram of the top view of the driving rod of the present invention;

[0034] Fig. 9 This is a schematic diagram of the connection structure between the mounting plate and the second electromagnet of the present invention;

[0035] Fig.10 It is a schematic diagram of the insulator structure of the present invention;

[0036] Fig.11This is a schematic diagram of the structure of the cleaning plate of the present invention;

[0037] Fig.12 It is a flow chart of the opening operation procedure of the present invention.

[0038] In the figure: 1. insulator; 2. upper static contact; 3. incoming line contact; 4. upper moving contact; 5. fuse tube; 6. electric push rod; 7. rocker arm; 8. insulated push-pull rod; 9. mounting bracket; 10. motor cover; 11. drive rod; 12. gear block; 13. servo motor; 14. rotating rod; 15. gear; 16. connecting rod; 17. spring; 18. locking rod; 19. protruding rod; 20. first electromagnet; 21. mounting plate; 22. second electromagnet; 23. locking hole; 24. rotating shaft; 25. wind bowl; 26. connecting frame; 27. cleaning plate; 28. through hole; 29. ​​outgoing line contact. DETAILED DESCRIPTION

[0039] 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.

[0040] See also Figure 1-Figure 12 The present invention provides the following technical solution: an intelligent fuse control terminal with a one-button sequential control function, comprising an insulator 1, a rocker arm 7 is rotatably connected to the lower end of the insulator 1, a fuse tube 5 and an electric push rod 6 are respectively connected to the upper right of the rocker arm 7, an upper moving contact 4 is installed on the upper end of the fuse tube 5, an upper static contact 2 is arranged above the fuse tube 5, an incoming line contact 3 is arranged at an adjacent position of the upper static contact 2, and an outgoing line contact 29 is arranged at the lower end of the insulator 1; a mounting bracket 9 is installed in the middle of the insulator 1, and the mounting bracket A motor cover 10 is installed on the upper side of 9, a servo motor 13 is installed inside the motor cover 10, the output end of the servo motor 13 is connected to a rotating rod 14, and the outer key of the rotating rod 14 is connected to a gear 15; a driving rod 11 is slidably connected inside the motor cover 10, a connecting rod 16 is hinged at the end of the driving rod 11, an insulating push-pull rod 8 is sleeved on the outer side of the connecting rod 16, the lower end of the insulating push-pull rod 8 is hinged to the rocker arm 7, and a tooth block 12 is connected to the inner side of the driving rod 11, and the tooth block 12 and the gear 15 are meshed with each other;

[0041] Further, a spring 17 is connected to the inside of the connecting rod 16, and a locking rod 18 is connected to the upper end of the spring 17. A convex rod 19 is installed below the left end of the locking rod 18, and a first electromagnet 20 is installed at the lower end of the convex rod 19. A through hole 28 is provided on the lower side of the left end of the connecting rod 16; a locking hole 23 is provided on the inner wall of the insulating push-pull rod 8, and a mounting plate 21 is installed on the left end of the insulating push-pull rod 8, and a second electromagnet 22 is installed on the upper side of the mounting plate 21; the driving rod 11 is a "U"-shaped structure, and the tooth blocks 12 are evenly spaced at the connection between the driving rod 11 and the gear 15; the connecting rod 16 and the insulating push-pull rod 8 are slidably connected; the locking rod 18 is a "U"-shaped structure, and the locking rod 18 forms an elastic structure with the connecting rod 16 through the spring 17, and the right end of the locking rod 18 and the locking hole 23 are mutually engaged; the position of the first electromagnet 20 is arranged corresponding to the position of the through hole 28 and the second electromagnet 22, and the first electromagnet 20 and the second electromagnet 22 are magnets of the same polarity;

[0042] The opening and closing sequence of the fuse is controlled by the controller program. When the fuse is opened and closed, the servo motor 13, the first electromagnet 20 and the second electromagnet 22 are powered on. The first electromagnet 20 and the second electromagnet 22 with the same poles repel each other, pushing the protruding rod 19 to drive the locking rod 18 to move upward. At this time, the locking rod 18 stretches the spring 17 to accumulate force, and the end of the locking rod 18 is stuck in the locking hole 23 to achieve the locking of the connecting rod 16 and the insulating push-pull rod 8. The servo motor 13 is powered on to control the servo motor 13 to rotate forward, drive the rotating rod 14 connected to the output end to rotate, thereby controlling the gear 15 to rotate, and cooperate with the transmission of the meshing tooth block 12 to control the drive rod 11 to move to the right, and then control the connecting rod 16 hinged at the end to move to the right. The connecting rod 16 The insulating push-pull rod 8 is pushed, and the insulating push-pull rod 8 drives the rocking arm 7 and the electric push rod 6 to realize the opening of the fuse, and the servo motor 13 is controlled to reverse, thereby controlling the gear 15 to reverse, and controlling the driving rod 11 to drive the connecting rod 16 to move to the left, thereby controlling the insulating push-pull rod 8 to move to the left, and the insulating push-pull rod 8 drives the rocking arm 7 and the electric push rod 6 to realize the closing of the fuse, and the servo motor 13 and the first electromagnet 20 and the second electromagnet 22 are disconnected from the power supply. At this time, the spring 17 can control the locking rod 18 to move down and reset, and release the lock of the connecting rod 16 and the insulating push-pull rod 8. The insulating push-pull rod 8 can slide on the connecting rod 16, so that the insulating rod can be used manually to pull the fuse for opening and closing. Both fuse opening and closing methods can be used to avoid the failure of the intelligent system and affect the opening and closing of the fuse;

[0043] Furthermore, the end of the insulator 1 is rotatably connected to a rotating shaft 24, a wind bowl 25 is installed on the outer side of the rotating shaft 24, a connecting frame 26 is connected to the outer side of the rotating shaft 24, and a cleaning plate 27 is installed on the end of the connecting frame 26;

[0044] Specifically, the wind bowl 25 and the cleaning plate 27 are coaxially connected, and the cleaning plate 27 is attached to the surface of the shed of the insulator 1;

[0045] The wind blows the wind bowl 25, so that the wind bowl 25 rotates on the insulator 1 through the rotating shaft 24, so that the rotating shaft 24 controls the connecting frame 26 to rotate, and the connecting frame 26 drives the cleaning plate 27 installed at the end to rotate, and the cleaning plate 27 scrapes and cleans the surface of the shed of the insulator 1 to avoid stains on the surface of the insulator 1, avoid the flashover phenomenon of the insulator 1, and ensure the insulation performance of the insulator 1;

[0046] The intelligent fuse control terminal also includes a controller program, which is used to control the opening and closing sequence of the fuse, realizing one-button sequential control, and can realize the automatic opening and closing of the three-phase electric-controlled drop-out fuse in sequence. First, set the parameters: there are two opening sequences, namely BAC and BCA. This parameter can be set remotely, locally or by SMS;

[0047] There are three ways to realize one-key sequential control function:

[0048] 1. Hold the remote control and manually operate it to realize the one-button sequential closing or opening function of the intelligent fuse;

[0049] 2. Remote control, through GPRS network communication, to achieve the one-button sequential closing or opening function of the intelligent fuse;

[0050] 3. Send SMS to the smart fuse controller via mobile phone to realize the one-key sequential control closing or opening function of the smart fuse;

[0051] For example: when the opening sequence is BAC, the opening command is sent remotely, or the opening command is issued locally using a remote control. The fuse controller will automatically open phase B first, then phase A, and finally phase C. When the fuse controller receives a closing command, it closes phase C first, then phase A, and finally phase B, in the opposite order to the opening sequence. Similarly, when the opening sequence is BCA, the controller automatically performs opening in the order of BCA, and the order is reversed when closing. The present invention can receive opening and closing commands according to the opening sequence parameters, and the fuse controller executes them in an automatic order, thereby avoiding human operating errors and the risk of safety accidents.

[0052] In the description of the present invention, unless otherwise specified, "plurality" means two or more than two; the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0053] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0054] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An intelligent fuse control terminal with a one-button sequential control function, including an insulator, characterized in that: The lower end of the insulator is rotatably connected to a rocker arm, the upper right side of the rocker arm is respectively connected to a fuse tube and an electric push rod, the upper end of the fuse tube is installed with an upper moving contact, the upper part of the fuse tube is provided with an upper static contact, an incoming line contact is provided at an adjacent position of the upper static contact, and the lower end of the insulator is provided with an outgoing line contact; A mounting bracket is installed in the middle of the insulator, a motor cover is installed on the upper side of the mounting bracket, a servo motor is installed inside the motor cover, a rotating rod is connected to the output end of the servo motor, and a gear is connected to the outer key of the rotating rod; The motor cover is slidably connected to a driving rod, the end of the driving rod is hinged to a connecting rod, an insulating push-pull rod is sleeved on the outside of the connecting rod, the lower end of the insulating push-pull rod is hinged to a rocker arm, and the inner side of the driving rod is connected to a tooth block, and the tooth block and the gear are meshed with each other; A spring is connected inside the connecting rod, a locking rod is connected to the upper end of the spring, a convex rod is installed below the left end of the locking rod, a first electromagnet is installed at the lower end of the convex rod, and a through hole is opened on the lower side of the left end of the connecting rod; A locking hole is provided on the inner wall of the insulating push-pull rod, a mounting plate is installed on the left end of the insulating push-pull rod, and a second electromagnet is installed on the upper side of the mounting plate; The connecting rod and the insulating push-pull rod are connected by sliding; The locking rod is a "U"-shaped structure, and the locking rod and the connecting rod form an elastic structure through a spring, and the right end of the locking rod and the locking hole are engaged with each other; The position of the first electromagnet is arranged corresponding to the position of the through hole and the position of the second electromagnet, and the first electromagnet and the second electromagnet are magnets of the same polarity.

2. The intelligent fuse control terminal with one-button sequential control function according to claim 1 is characterized in that: The end of the insulator is rotatably connected to a rotating shaft, a wind bowl is installed on the outer side of the rotating shaft, a connecting frame is connected to the outer side of the rotating shaft, and a cleaning plate is installed on the end of the connecting frame.

3. The intelligent fuse control terminal with one-button sequential control function according to claim 1 is characterized in that: The driving rod is a "U"-shaped structure, and tooth blocks are distributed at equal intervals at the connection between the driving rod and the gear.

4. The intelligent fuse control terminal with one-button sequential control function according to claim 2 is characterized in that: The wind bowl and the cleaning plate are coaxially connected, and the cleaning plate is in contact with the surface of the insulator shed.

5. The intelligent fuse control terminal with one-button sequential control function according to claim 1 is characterized in that: It also includes a controller program, which is used to control the opening and closing sequence of the fuse, realizing one-button sequential control; There are three ways to realize one-key sequential control function:

1. Hold the remote control and manually operate it to realize the one-button sequential closing or opening function of the intelligent fuse; 2. Remote control, through GPRS network communication, to achieve the one-button sequential closing or opening function of the intelligent fuse; 3. Send text messages to the smart fuse controller via mobile phone to realize the one-key sequential closing or opening function of the smart fuse.

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