Heating and flow guiding device for substation equipment and operation method of heating and flow guiding device

Abstract

The invention relates to the technical field of heating flow guiding devices, in particular to a transformer substation equipment heating flow guiding device and an operation method.The transformer substation equipment heating flow guiding device comprises two flow guiding device bodies connected together through wires, each flow guiding device body comprises a wire clamp, and each wire clamp is composed of a fixed section and a movable section with openings opposite to each other; a movable cross rod is fixedly installed on the left side of the lower end of the movable section and located on the upper side of the fixed cross rod, the lower end of the movable section is hinged to the fixed cross rod, and the fixed cross rod and the movable cross rod are provided with movable structures capable of pushing the movable section to rotate outwards to be opened or pushing the movable section to rotate inwards to make contact with the fixed section. The device is reasonable and compact in structure and convenient to use, the two groups of current guiding devices are connected to the two sides of a heating part in an electrified installation mode to realize current division, the current of the original heating part is reduced, the temperature is reduced, and rapid installation and disassembly are realized through the wire clamp capable of being opened and closed.

Description

Technical Field

[0001] The invention relates to the technical field of heat-generating flow-guiding devices, and in particular to a heat-generating flow-guiding device for transformer substation equipment and an operating method thereof. Background Art

[0002] Substations are places where voltage is changed. There are a large number of primary equipment in substations. The wire connection hardware bolts, disconnector blades and terminal blocks are prone to heat. The heat of the equipment is mainly due to the Joule heat generated when the current passes through the conductor. The larger the current, the more heat the equipment generates. In addition, power loss can also cause equipment to heat up, especially when the conductor connection part is loose or the contact is poor, the contact resistance increases, resulting in increased conductivity loss, which causes local temperature rise. Disconnectors are a type of no-load current switching equipment, mainly used to isolate power supplies to ensure the safety of staff. High-voltage disconnectors are the main substation equipment to ensure continuous and reliable power supply to the power grid. High-voltage disconnectors bear large load currents for a long time, and overheating of the conductive circuit often occurs during operation. Once a problem occurs, the load needs to be limited, and emergency power outages are required for processing if necessary. According to incomplete statistics, the number of overheating defects in high-voltage disconnectors has always ranked first among all types of defects in recent years, seriously restricting the safe and stable operation of the power grid. Summary of the invention

[0003] The present invention provides a heat diversion device and an operating method for substation equipment, which overcomes the deficiencies of the above-mentioned prior art and can effectively solve the problem that the primary equipment of the existing substation needs to limit the load or shut down due to overheating.

[0004] One of the technical solutions of the present invention is achieved through the following measures: a heat-generating diversion device for substation equipment, comprising two groups of diversion devices connected together by wires, the diversion device comprising a wire clamp, the wire clamp consisting of a fixed section and a movable section with two openings arranged opposite to each other, a fixed cross bar is fixedly installed on the right side of the lower end of the fixed section, and a movable cross bar is fixedly installed on the left side of the lower end of the movable section, the movable cross bar is located on the upper side of the fixed cross bar, and the lower end of the movable section is hinged on the fixed cross bar, and the fixed cross bar and the movable cross bar are installed with movable structures that can push the movable section to rotate outward and open or rotate the movable section inward and contact the fixed section, and an operating joint is installed on the lower side of the fixed cross bar, and the operating joint can cooperate with the operating rod to control the movement of the movable mechanism.

[0005] The following are further optimizations and / or improvements to the above technical solutions: Preferably, the movable structure includes a limit pin, and the fixed cross bar and the movable cross bar are respectively provided with a first mounting hole and a second mounting hole that penetrate up and down and are interconnected, the limit pin is located in the first mounting hole and the second mounting hole, and the operating joint is a hollow structure that penetrates up and down.

[0006] Preferably, two groups of slots are evenly distributed along the circumference of the operating joint, and the slots include vertical slots, horizontal slots and hook-shaped slots. A vertical slot that runs through the front and back is provided at the lower end of the operating joint, and a horizontal slot that runs through the front and back is provided on the right side of the upper end of the vertical slot. A hook-shaped slot is provided on the operating joint corresponding to the lower left position of the horizontal slot, and the hook-shaped slot has an ascending inclined surface. An installation joint or a disassembly joint is detachably installed on the operating rod for installing or disassembling the guide device, and two support columns are symmetrically fixedly installed on the outer side of the installation joint, and two support columns are symmetrically fixedly installed on the outer side of the disassembly joint and a top rod is fixedly installed on the top.

[0007] Preferably, the limiting pin is T-shaped.

[0008] Preferably, it also includes a limit pile, and a limit pile located on the right side of the movable section is installed on the upper side of the right end of the fixed cross bar.

[0009] Preferably, at least two protrusions capable of clamping the lower part of the limiting pin are provided on the inner side of the second mounting hole.

[0010] Preferably, the upper side of the limit pin is connected to the movable cross bar through a connecting line.

[0011] Preferably, a terminal post is installed on the outer side of the movable section.

[0012] The second technical solution of the present invention is achieved by the following measures: an operation method is performed according to the following method: Installation process: before installation, move the limit pin in the guide device upwards, the limit pin disengages from the first installation hole and is located in the second installation hole, rotate the movable section clockwise to open it, install the installation joint on the operating rod, first pass the two support columns of the installation joint through the vertical slot, and then rotate the installation joint to the right so that the support column is located in the horizontal slot, thereby connecting the wire clamp and the operating rod as one. During installation, two operators simultaneously place the two sets of guide devices on both sides of the heating part through the operating rod, so that the wires at the corresponding positions are located in the wire clamp, push the guide device upward, and the wire pushes the movable horizontal bar downward to make the movable section rotate counterclockwise to close. The wire pushes the limit pin downward to insert into the first installation hole, and the movable section cannot rotate. Turn the operating rod to the left and move it downward again to disengage the installation joint from the card slot in the operating joint and remove the operating rod. The installation is completed. Disassembly process: install the disassembly joint on the operating rod, and two operators operate at the same time, insert the two support columns of the disassembly joint into the vertical slot of the operating joint, and the push rod on the disassembly joint is located in the operating joint. Move the operating rod to the right and downward so that the support column is located at the lower end of the hook-shaped slot. Then turn the installation joint to the right. When the support column rotates, it moves up along the inclined surface of the hook-shaped slot, pushing the disassembly joint and the push rod upward. The push rod pushes the limit pin upward, so that the lower end of the limit pin is disengaged from the first mounting hole, and then move the guide device to the left so that the wire pushes the movable section to rotate clockwise, thereby having an opening between the movable section and the fixed section, and move the operating rod downward to remove the guide device from the wire to complete the disassembly.

[0013] The present invention has a reasonable and compact structure and is easy to use. It connects two sets of guide devices on both sides of the heating part by means of live installation to achieve current diversion, reduce the current of the original heating part, and lower the temperature. Quick installation and disassembly are achieved through a wire clamp that can be opened and closed. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Attached Figure 1 It is a schematic diagram of a partial cross-sectional structure of an embodiment of the present invention.

[0015] Attached Figure 2 It is a schematic diagram of the structure of the movable section of the present invention being opened.

[0016] Attached Figure 3 This is a schematic diagram of the main structure of the installation joint.

[0017] Attached Figure 4 It is a schematic diagram of the main structure of the disassembled joint.

[0018] Attached Figure 5 It is a schematic diagram of the main structure with two sets of diversion devices installed on both sides of the knife switch.

[0019] The codes in the accompanying drawings are: 1 is a guide device, 2 is a fixed section, 3 is a movable section, 4 is a fixed cross bar, 5 is a movable cross bar, 6 is an operating joint, 7 is a limit pin, 8 is a first mounting hole, 9 is a vertical groove, 10 is a horizontal groove, 11 is a hook-shaped groove, 12 is a mounting joint, 13 is a disassembly joint, 14 is a support column, 15 is a top rod, 16 is a protrusion, 17 is a connecting line, 18 is a terminal, 19 is a limit pile, and 20 is an operating rod. DETAILED DESCRIPTION

[0020] The present invention is not limited by the following embodiments, and specific implementation methods can be determined based on the technical solution of the present invention and actual conditions.

[0021] In the present invention, for the convenience of description, the relative position relationship of each component is described according to the attached Figure 1 The positional relationships such as front, back, top, bottom, left, and right are described according to the layout directions of the drawings in the specification.

[0022] The present invention will be further described below in conjunction with embodiments and drawings: Embodiment 1: As attached Figure 1-5As shown, the heat-generating diversion device of the substation equipment includes two groups of diversion devices 1 connected together by wires, and the diversion device 1 includes a wire clamp, which consists of a fixed section 2 and a movable section 3 with two openings arranged opposite to each other. A fixed cross bar 4 is fixedly installed on the right side of the lower end of the fixed section 2, and a movable cross bar 5 is fixedly installed on the left side of the lower end of the movable section 3. The movable cross bar 5 is located on the upper side of the fixed cross bar 4, and the lower end of the movable section 3 is hinged on the fixed cross bar 4. The fixed cross bar 4 and the movable cross bar 5 are installed with movable structures that can push the movable section 3 to rotate outward to open or rotate the movable section 3 inward to contact the fixed section 2. An operating joint 6 is installed on the lower side of the fixed cross bar 4, and the operating joint 6 can cooperate with the operating rod 20 to control the movement of the movable mechanism.

[0023] Taking the knife switch as an example, the current guide device 1 is installed on the wires on both sides of the knife switch blade without power outage, so as to realize the common shunting of the wires and the knife switch blade loop, reduce the current of the original hot knife switch blade, and reduce the blade temperature. The opening and closing of the movable section 3 can realize rapid installation and disassembly, which can greatly improve the elimination of heating defects of substation equipment and ensure the safe and stable operation of the power grid.

[0024] According to actual needs, the above-mentioned substation equipment heat diversion device can be further optimized and / or improved: Embodiment 2: As attached Figure 1 , 2 As shown, the movable structure includes a limit pin 7, and the fixed cross bar 4 and the movable cross bar 5 are respectively provided with a first mounting hole 8 and a second mounting hole that are vertically connected and interconnected, and the limit pin 7 is located in the first mounting hole 8 and the second mounting hole, and the operating joint 6 is a hollow structure that is vertically connected. The limit pin 7 is provided to connect the fixed section 2 and the movable section 3, and to limit the rotation of the movable section 3.

[0025] Embodiment 3: As attached Figure 1-4As shown, two groups of slots are evenly distributed along the circumference of the operating joint 6, and the slots include vertical slots 9, horizontal slots 10 and hook-shaped slots 11. The lower end of the operating joint 6 is provided with a vertical slot 9 that passes through the front and back, and the right side of the upper end of the vertical slot 9 is provided with a horizontal slot 10 that passes through the front and back. The operating joint 6 corresponding to the lower left position of the horizontal slot 10 is provided with a hook-shaped slot 11, and the hook-shaped slot 11 has an ascending inclined surface. The operating rod 20 is detachably mounted with a mounting joint 12 or a disassembly joint 13 for installing or disassembling the guide device 1, and two support columns 14 are symmetrically fixedly mounted on the outer side of the mounting joint 12, and two support columns 14 are symmetrically fixedly mounted on the outer side of the disassembly joint 13, and a top rod 15 is fixedly mounted on the top. By setting the vertical groove 9 and the horizontal groove 10 to limit the position of the installation joint 12 and the disassembly joint 13, the installation joint 12 and the disassembly joint 13 are prevented from being separated from the operating joint 6 during installation or disassembly, thereby ensuring the stability of the connection during operation; by setting the hook-shaped groove 11 with an inclined surface, the support column 14 can be rotated and moved upward at the same time, thereby pushing the push rod 15 to move up and eject the limit pin 7 to complete the disassembly; the slot setting can make the connection between the installation joint 12 and the disassembly joint 13 and the operating joint 6 more stable.

[0026] Embodiment 4: As attached Figure 1 , 2 As shown, the limit pin 7 is T-shaped; or / and, it also includes a limit post 19, and the upper side of the right end of the fixed cross bar 4 is provided with a limit post 19 located on the right side of the movable section 3. It is prevented that the limit pin 7 completely falls into the first mounting hole 8 when being pressed down, and the T-shaped operation area is large, which is convenient for the wire to be pressed down. By setting the limit post 19, the position of the movable section 3 to open outward is limited, and the problem of too much opening leading to difficulty in operation and difficulty in closing is avoided.

[0027] Embodiment 5: As attached Figure 1 , 2 As shown, at least two protrusions 16 capable of clamping the lower part of the stop pin 7 are provided on the inner side of the second mounting hole. The protrusions 16 can clamp the stop pin 7 to prevent it from falling naturally when the movable section 3 is opened, or falling from the first mounting hole 8 and the second mounting hole, and changing its position, which makes it difficult to fix the movable section 3 and the fixed section 2 or has poor contact.

[0028] Embodiment 6: As attached Figure 1 , 2 As shown, the upper side of the limit pin 7 is connected to the movable cross bar 5 through a connecting line 17. The limit pin 7 is further pulled to prevent it from falling.

[0029] Embodiment 7: As attached Figure 1 , 2 As shown, a terminal 18 is installed on the outside of the movable section 3. The terminal 18 is provided to connect the wires.

[0030] Embodiment 8: As attached Figure 1-5 As shown, the operation method is as follows: Installation process: before installation, move the limit pin 7 in the guide device 1 upward, the limit pin 7 disengages from the first mounting hole 8 and is located in the second mounting hole, rotate the movable section 3 clockwise to open it, install the installation joint 12 on the operating rod 20, first pass the two support columns 14 of the installation joint 12 through the vertical slot 9, and then rotate the installation joint 12 to the right so that the support column 14 is located in the horizontal slot 10, thereby connecting the wire clamp and the operating rod 20 as one. During installation, two operators simultaneously place the two sets of guide devices 1 on both sides of the heating part through the operating rod 20 so that the wires at the corresponding positions are located in the wire clamps, push the guide device 1 upward, and the wire pushes the movable cross bar 5 downward to make the movable section 3 rotate counterclockwise to close. The wire pushes the limit pin 7 downward to insert into the first mounting hole 8, and the movable section 3 cannot rotate. Turn the operating rod 20 to the left and then move it downward to disengage the installation joint 12 from the card slot in the operating joint 6 and remove the operating rod 20, and the installation is completed. Disassembly process: install the disassembly joint 13 on the operating rod 20, and two operators operate at the same time to insert the two support columns 14 of the disassembly joint 13 into the vertical slot 9 of the operating joint 6. The top rod 15 on the disassembly joint 13 is located in the operating joint 6, and the operating rod 20 is moved right and downward so that the support column 14 is located at the lower end of the hook-shaped groove 11. Then, the installation joint 12 is rotated right. When the support column 14 rotates, it moves up along the inclined surface of the hook-shaped groove 11, pushing the disassembly joint 13 and the top rod 15 to move upward. The top rod 15 pushes the limit pin 7 to move upward, so that the lower end of the limit pin 7 is disengaged from the first mounting hole 8, and then the guide device 1 is moved to the left so that the wire pushes the movable section 3 to rotate clockwise, so that there is an opening between the movable section 3 and the fixed section 2, and the operating rod 20 is moved downward to remove the guide device 1 from the wire to complete the disassembly.

[0031] The above-mentioned operation method can realize quick installation and disassembly of the guide device 1, realize the shunting and cooling of overheated equipment without power outage, and reduce the problem of load restriction or power outage caused by overheating.

[0032] The above technical features respectively constitute various embodiments of the present invention, which have strong adaptability and implementation effect. Non-essential technical features can be added or reduced according to actual needs to meet the requirements of different situations.

Claims

1. A heat conduction device for substation equipment, characterized in that The invention comprises two groups of flow guiding devices connected together by conducting wires, the flow guiding devices comprises a wire clamp, the wire clamp consists of a fixed section and a movable section with two openings arranged opposite to each other, a fixed cross bar is fixedly installed on the right side of the lower end of the fixed section, a movable cross bar is fixedly installed on the left side of the lower end of the movable section, the movable cross bar is located on the upper side of the fixed cross bar, the lower end of the movable section is hinged on the fixed cross bar, the fixed cross bar and the movable cross bar are provided with movable structures capable of pushing the movable section to rotate outward to open or rotate inward to contact the fixed section, an operating joint is installed on the lower side of the fixed cross bar, and the operating joint can cooperate with the operating rod to control the movement of the movable mechanism.

2. The heat conduction device for substation equipment according to claim 1 is characterized in that The movable structure includes a limit pin. The fixed cross bar and the movable cross bar are respectively provided with a first mounting hole and a second mounting hole which are vertically connected and interconnected. The limit pin is located in the first mounting hole and the second mounting hole. The operating joint is a hollow structure which is vertically connected.

3. The heat conduction device for substation equipment according to claim 2 is characterized in that There are two groups of slots evenly distributed along the circumference of the operating joint, the slots include vertical slots, horizontal slots and hook-shaped slots. A vertical slot that runs through the front and back is provided at the lower end of the operating joint, a horizontal slot that runs through the front and back is provided on the right side of the upper end of the vertical slot, and a hook-shaped slot is provided on the operating joint corresponding to the lower left position of the horizontal slot. The hook-shaped slot has an ascending inclined surface. An installation joint or a disassembly joint is detachably installed on the operating rod for installing or disassembling the guide device. Two support columns are symmetrically fixedly installed on the outer side of the installation joint, and two support columns are symmetrically fixedly installed on the outer side of the disassembly joint and a push rod is fixedly installed on the top.

4. The heat conduction device for substation equipment according to claim 2 or 3, characterized in that The limiting pin is T-shaped; or / and, it also includes a limiting pile, and the limiting pile located on the right side of the movable section is installed on the upper side of the right end of the fixed cross bar.

5. The heat conduction device for substation equipment according to claim 2 or 3, characterized in that At least two protrusions capable of clamping the lower part of the limiting pin are arranged on the inner side of the second mounting hole.

6. The heat conduction device for substation equipment according to claim 4, characterized in that At least two protrusions capable of clamping the lower part of the limiting pin are arranged on the inner side of the second mounting hole.

7. The heat conduction device for substation equipment according to claim 2, 3 or 6, characterized in that The upper side of the limit pin is connected to the movable cross bar through a connecting line; or / and, a terminal is installed on the outer side of the movable section.

8. The heat conduction device for substation equipment according to claim 4, characterized in that The upper side of the limit pin is connected to the movable cross bar through a connecting line; or / and, a terminal is installed on the outer side of the movable section.

9. The heat conduction device for substation equipment according to claim 5, characterized in that The upper side of the limit pin is connected to the movable cross bar through a connecting line; or / and, a terminal is installed on the outer side of the movable section.

10. An operating method of a heat-generating flow-guiding device for substation equipment according to any one of claims 3 to 9, characterized in that Follow the steps below, Installation process: before installation, move the limit pin in the guide device upwards, the limit pin disengages from the first installation hole and is located in the second installation hole, rotate the movable section clockwise to open it, install the installation joint on the operating rod, first pass the two support columns of the installation joint through the vertical slot, and then rotate the installation joint to the right so that the support column is located in the horizontal slot, thereby connecting the wire clamp and the operating rod as one. During installation, two operators simultaneously place the two sets of guide devices on both sides of the heating part through the operating rod, so that the wires at the corresponding positions are located in the wire clamp, push the guide device upward, and the wire pushes the movable horizontal bar downward to make the movable section rotate counterclockwise to close. The wire pushes the limit pin downward to insert into the first installation hole, and the movable section cannot rotate. Turn the operating rod to the left and move it downward again to disengage the installation joint from the card slot in the operating joint and remove the operating rod. The installation is completed. Disassembly process: install the disassembly joint on the operating rod, and two operators operate at the same time, insert the two support columns of the disassembly joint into the vertical slot of the operating joint, and the push rod on the disassembly joint is located in the operating joint. Move the operating rod to the right and downward so that the support column is located at the lower end of the hook-shaped slot. Then turn the installation joint to the right. When the support column rotates, it moves up along the inclined surface of the hook-shaped slot, pushing the disassembly joint and the push rod upward. The push rod pushes the limit pin upward, so that the lower end of the limit pin is disengaged from the first mounting hole, and then move the guide device to the left so that the wire pushes the movable section to rotate clockwise, thereby having an opening between the movable section and the fixed section, and move the operating rod downward to remove the guide device from the wire to complete the disassembly.

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