Power taking device for power distribution automation terminal, installation tool and installation method

Abstract

The invention discloses an electricity taking device for a power distribution automation terminal, an installation tool and an installation method, the electricity taking device comprises a bearing frame, the bearing frame is movably connected to the bottom of a half box body on the bottom side of the electricity taking device in a sleeving mode, a remote controller is arranged at the bottom of the bearing frame, and a connecting sleeve is arranged at the bottom of the bearing frame; the connecting sleeve is coaxially and detachably connected with a vertically arranged connecting rod, the connecting rod is formed by connecting a plurality of short rods, a mounting seat is detachably arranged on one side, close to the bottom, of the connecting rod, and the remote control switch is detachably arranged in the mounting seat, so that the power taking device is convenient to carry and adjust, and the power taking device can be conveniently mounted on the top of the head; the mounting efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of devices related to distribution automation terminals, and in particular to a power extraction device, an installation tool and an installation method for distribution automation terminals. Background Art

[0002] The distribution automation terminal (FTU) adopts advanced DSP digital signal processing technology, multi-CPU integration technology, high-speed industrial network communication technology, and an embedded real-time multi-tasking operating system. It has strong stability, high reliability, good real-time performance, wide adaptability to the environment, and powerful functions. It is a new generation of feeder automation remote terminal device that integrates telemetry, telesignaling, remote control, protection and communication functions.

[0003] In actual use, it was found that the old distribution automation terminals had over-tripping, causing FTU failures and poor FTU online rate. After on-site inspection, investigation and verification, the following conclusions were drawn: FTUs with many failures mostly used capacitor PTs to draw power. The output power of the capacitor PT could not meet the FTU operating power, resulting in insufficient output power of the energy supply device, frequent over-tripping and FTU failures.

[0004] Therefore, a box-type CT power supply device is designed. The device shell is mainly composed of two half boxes. The following problems exist during the installation process: 1. Usually two people are required for installation. One person uses the installation rod to lift the device to a suitable height, and the other person uses another installation rod to bring up the top half of the box body, so that the box body is closed and then locked with a locking device. The installation efficiency is low, and a single person cannot complete the installation work independently; 2. Secondly, the installation tools are difficult to disassemble and carry, and the installation pole is risky when lifting the heavier power-taking device, which is inconvenient and risky to use. Summary of the invention

[0005] The present invention provides a power taking device, an installation tool and an installation method for a distribution automation terminal, aiming to solve the problems in the prior art that the power taking device has low installation efficiency, cannot be completed by one person, is difficult to disassemble and carry, and has risks in lifting.

[0006] In order to solve the above technical problems, the technical solution adopted by the present invention is: A power taking device for a distribution automation terminal comprises two openable and closable half boxes, wherein a half wire groove is provided in the middle position of one side of the half boxes close to each other, and when the half boxes are closed to form a complete box, the half wire groove forms a complete wire groove, and the half boxes are symmetrically arranged, and the corresponding sides of the half boxes are electrically hinged through electric hinges, and the electric hinges form a remote signal connection with a remote control switch through a remote controller.

[0007] An installation tool for a power taking device of a distribution automation terminal, used for installing the power taking device, comprises a receiving frame, the receiving frame is movably sleeved on the bottom of the bottom half box of the power taking device, the remote controller is arranged at the bottom of the receiving frame, a connecting sleeve is provided at the bottom of the receiving frame, the connecting sleeve is coaxially and detachably connected with a vertically arranged connecting rod, the connecting rod is composed of a plurality of short rods, a mounting seat is detachably provided on one side of the connecting rod close to the bottom, and the remote control switch is detachably arranged in the mounting seat.

[0008] Preferably, the receiving frame includes a horizontally arranged receiving plate, and limiting columns perpendicular to the receiving plate are provided on the four corners of the receiving plate. The limiting columns cooperate with the receiving plate to form a claw-shaped groove, and the bottom half box of the power taking device is movably embedded in the claw-shaped groove.

[0009] As a more preferred embodiment, the limiting posts correspond to the right angles of the side walls of the bottom half box body one by one, and the limiting posts form a limiting fit with the corresponding right angles of the side walls of the bottom half box body.

[0010] Preferably, each short rod of the connecting rod has the same structure, a threaded column is coaxially provided at one end of the short rod, and a threaded sleeve is coaxially provided at the other end of the short rod, and the threaded column is threadably matched with the threaded sleeve of the adjacent short rod.

[0011] As a more preferred embodiment, the outer radius of the threaded sleeve is the same as the radius of the short rod, and the length of the threaded column does not exceed the length of the threaded hole of the threaded sleeve.

[0012] Furthermore, a threaded hole is provided on a side of the connecting sleeve away from the receiving frame and is threadably matched with the threaded column of the short rod through the threaded hole.

[0013] Preferably, the mounting seat includes an annular sleeve mounted on the short rod, an opening is provided on one side of the annular sleeve, clamping blocks are provided on both sides of the opening, clamping bolts are provided between the clamping blocks, and the clamping blocks form a clamping fit through the clamping bolts, a mounting plate is provided on the side of the annular sleeve opposite to the opening, a slot is provided on the mounting plate, the remote control switch is movably embedded in the slot, an opening is provided on the side of the mounting plate away from the annular sleeve, the opening penetrates into the slot, and the button of the remote control switch is exposed from the opening.

[0014] As a more preferred embodiment, the mounting plate and the slot are both arranged along the axial direction of the short rod.

[0015] The method for installing a power taking device for a distribution automation terminal comprises the following steps: installing the power taking device on a conductor using the installation tool for the power taking device for a distribution automation terminal; S1. Determine the installation height; S2. Select an appropriate amount of short rods according to the installation height and assemble them coaxially into a connecting rod; S3, install one end of the connecting rod with the connecting sleeve, arrange a mounting seat at the other end of the connecting rod, and install a remote control switch in the mounting seat; S4. Install a remote controller at the bottom of the receiving frame, and place the bottom half box of the power taking device on the receiving frame; S5. Operate the remote control switch to open the top half of the box to expose the wire groove, and lift the power taking device through the connecting rod until the wire is located in the wire groove of the bottom half of the box; S6. Operate the remote control switch to close the top half of the box until the wires are clamped in the complete wire trough. At this time, the power-taking device is hung on the wires. Move the connecting rod downward to separate the bottom half of the box from the receiving frame to complete the installation.

[0016] Beneficial effects of the present invention: 1. The present invention can be operated by one person. After lifting the power taking device, the half box can be controlled to close through the remote control switch to achieve clamping installation on the wire, and the installation efficiency is high; 2. The whole device is easy to disassemble and install, easy to carry, and can be installed on site; 3. The seamless installation of the short rod and the claw-shaped groove of the receiving frame ensure stability during lifting to avoid accidents. The remote control switch is installed at the lifting position through the mounting base, which makes it easy to operate the switch during lifting. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional schematic diagram of one side when the power taking device of the present invention is installed; Figure 2 It is a three-dimensional schematic diagram of the other side when the power taking device of the present invention is installed; Figure 3 It is a disassembly perspective schematic diagram of the connecting rod and the connecting sleeve of the present invention; Figure 4 It is a three-dimensional schematic diagram of one side of the installation position of the remote control switch of the present invention; Figure 5 It is a three-dimensional schematic diagram of the other side of the installation position of the remote control switch of the present invention; In the figure: 1. Half box; 2. Remote controller; 3. Remote control switch; 4. Receiver frame; 41. Receiver plate; 42. Limiting column; 5. Connecting sleeve; 6. Connecting rod; 61. Short rod; 62. Threaded column; 63. Threaded sleeve; 7. Mounting seat; 71. Mounting plate; 72. Slot; 73. Opening; 74. Ring sleeve; 75. Clamping block; 76. Clamping bolt. DETAILED DESCRIPTION

[0018] As follows, embodiments are further described with reference to the accompanying drawings.

[0019] like Figure 1~Figure 5 As shown, as a preferred embodiment 1, a power supply device for a distribution automation terminal includes two openable and closable half boxes 1, wherein the middle positions of the half boxes 1 close to each other on one side are each provided with a half wire groove, and when the half boxes 1 are closed to form a complete box, the half wire groove forms a complete wire groove, and the half boxes 1 are symmetrically arranged, and the corresponding sides of the half boxes 1 are electrically hinged through electric hinges, and the electric hinges form a remote signal connection with the remote control switch 3 through the remote controller 2.

[0020] Preferably, a half CT power supply device is provided in each half box 1. When the box is closed, the CT power supply device is coaxial with the wire groove and forms CT power supply with the wire. The electric joint facilitates remote control of the opening and closing of the half box 1.

[0021] Preferably, the electric hinge can be an existing electric hinge device, or it can be replaced by an electric hinge structure. For example, the upper box 1 and the lower box 1 are hinged at one side normally, and a micro DC reduction motor is provided at the hinge of the other side of the lower box 1. The output shaft of the micro DC reduction motor is linked to the hinge of the upper box 1 on the corresponding side through gears, and the micro DC reduction motor is coaxial with the hinge.

[0022] As a preferred embodiment 2, an installation tool for a power-taking device of a distribution automation terminal is used to install the power-taking device according to claim 1, comprising a receiving frame 4, the receiving frame 4 is movably sleeved on the bottom of the bottom half-box 1 of the power-taking device, the remote controller 2 is arranged at the bottom of the receiving frame 4, the bottom of the receiving frame 4 is provided with a connecting sleeve 5, the connecting sleeve 5 is coaxially and detachably connected with a vertically arranged connecting rod 6, the connecting rod 6 is composed of a plurality of short rods 61, the connecting rod 6 is detachably provided with a mounting seat 7 on one side close to the bottom, and the remote control switch 3 is detachably arranged in the mounting seat 7. It is convenient for one person to install, reduce the probability of accidents, and the other person is ready for safety response.

[0023] As a preferred embodiment 3, the receiving frame 4 includes a horizontally arranged receiving plate 41, and the four corners of the receiving plate 41 are provided with limiting columns 42 perpendicular to the receiving plate 41, and the limiting columns 42 cooperate with the receiving plate 41 to form a claw-shaped groove, and the bottom half box 1 of the power taking device is movably embedded in the claw-shaped groove to ensure the stability of the power taking device when it is lifted.

[0024] The limiting posts 42 correspond to the right angles of the side walls of the bottom half box 1 one by one, and the limiting posts 42 and the corresponding right angles of the side walls of the bottom half box 1 form a limiting fit, further ensuring the stability of the power extraction device when it is lifted.

[0025] Preferably, the receiving plate 41 and the limiting column 42 are both made of insulating material, and the receiving plate 41 and the limiting column 42 are integrally formed, which is convenient for installation and use.

[0026] As a preferred embodiment 4, each short rod 61 of the connecting rod 6 has the same structure, a threaded column 62 is coaxially provided at one end of the short rod 61, and a threaded sleeve 63 is coaxially provided at the other end of the short rod 61. The threaded column 62 is threadedly matched with the threaded sleeve 63 of the adjacent short rod 61, which is convenient for disassembly and installation according to the actual installation height, thereby enhancing practicality and applicability.

[0027] The outer radius of the threaded sleeve 63 is the same as the radius of the short rod 61 , and the length of the threaded column 62 does not exceed the length of the threaded hole of the threaded sleeve 63 , thereby forming a seamless installation and facilitating holding.

[0028] Preferably, the short rod 61 is made of insulating material, such as 3 mm thick epoxy resin glass cloth, which has high mechanical and dielectric properties, good heat resistance and moisture resistance, and is suitable for use as insulating structural parts in motors and electrical equipment, and can be used in humid environments. The material is strong and not easy to break. The threaded sleeve 63 and the threaded column 62 are both made of stainless steel, such as 304 stainless steel. The threaded sleeve 63 and the threaded column 62 and the short rod 61 can be fixed and installed by bonding or radially arranged fasteners.

[0029] The connecting sleeve 5 is provided with a threaded hole on one side away from the receiving frame 4 and is threadedly matched with the threaded column 62 of the short rod 61 through the threaded hole to ensure the stable connection between the connecting rod 6 and the connecting sleeve 5.

[0030] Preferably, the connecting sleeve 5 is close to the middle position of the bottom of the receiving plate 41 to maintain stability during the lifting process as much as possible. Considering that the electric handover device may make the center of the power taking device move backward, the connecting sleeve 5 can also be selected to be arranged in the middle rear position of the bottom of the receiving plate 41.

[0031] As a preferred embodiment 5, the mounting seat 7 includes an annular sleeve 74 sleeved on the short rod 61, an opening is provided on one side of the annular sleeve 74, and clamping blocks 75 are provided on both sides of the opening, and clamping bolts 76 are provided between the clamping blocks 75, and the clamping blocks 75 form a tight fit through the clamping bolts 76. A mounting plate 71 is provided on the side of the annular sleeve 74 opposite to the opening, and a slot 72 is provided on the mounting plate 71. The remote control switch 3 is movably embedded in the slot 72. An opening 73 is provided on the side of the mounting plate 71 away from the annular sleeve 74, and the opening 73 penetrates into the slot 72, and the button of the remote control switch 3 is exposed from the opening 73. By tightening the clamping bolts 76, the clamping blocks 75 on both sides are close to each other, so that the annular sleeve 74 is clamped on the short rod 61 to complete the fixation. At this time, the remote control switch 3 is inserted into the slot 72, and the control switch 3 can be directly operated during the lifting process, ensuring the clamping of the power taking device on the wire.

[0032] Preferably, the remote control switch 3 is a 12V two-way remote control switch.

[0033] The mounting plate 71 and the slot 72 are both arranged axially along the short rod 61 to facilitate operation during holding, and the unlocking button faces the operator.

[0034] As a preferred embodiment 6, a method for installing a power taking device for a distribution automation terminal, using the installation tool for the power taking device for a distribution automation terminal to install the power taking device on a wire, comprises the following steps: S1. Determine the installation height; S2, select an appropriate amount of short rods 61 according to the installation height, and assemble them coaxially into a connecting rod 6; S3, install one end of the connecting rod 6 with the connecting sleeve 5, arrange the mounting seat 7 at the other end of the connecting rod 6, and install the remote control switch 3 in the mounting seat 7; S4, installing the remote controller 2 at the bottom of the receiving frame 4, and placing the bottom half box 1 of the power taking device on the receiving frame 4; S5, operate the remote control switch 3 to open the top half box 1 to expose the wire groove, and lift the power taking device through the connecting rod 6 until the wire is located in the wire groove of the bottom half box 1; S6. Operate the remote control switch 3 to close the top half box 1 until the wires are clamped in the complete wire groove. At this time, the power taking device is hung on the wires. Move the connecting rod 6 downward to separate the bottom half box 1 from the receiving frame 4 to complete the installation.

[0035] As a preferred embodiment 7, the above-mentioned installation tool and installation method are used to let different workers install the power extraction device multiple times, and the installation time is recorded and the installation time is counted. The results are shown in Table 1: Table 1

[0036] From the above table, we can see that the average installation time for a single person is less than 1 minute, and a single person can complete the installation in 44 to 46 seconds, which has high installation efficiency and good installation effect.

Claims

1. A power supply device for a power distribution automation terminal, characterized in that: The invention comprises two half boxes (1) which can be opened and closed, wherein the middle positions of the half boxes (1) on the sides close to each other are each provided with a half wire groove, and when the half boxes (1) are closed to form a complete box, the half wire groove forms a complete wire groove, and the half boxes (1) are symmetrically arranged, and the corresponding sides of the half boxes (1) are electrically hinged through an electric hinge, and the electric hinge forms a remote signal connection with a remote control switch (3) through a remote controller (2).

2. A tool for installing a power take-off device for a power distribution automation terminal, characterized in that: Used to install the power extraction device according to claim 1, comprising a receiving frame (4), the receiving frame (4) is movably sleeved on the bottom of the bottom half box (1) of the power extraction device, the remote controller (2) is arranged at the bottom of the receiving frame (4), and the bottom of the receiving frame (4) is provided with a connecting sleeve (5), the connecting sleeve (5) is coaxially and detachably connected to a vertically arranged connecting rod (6), the connecting rod (6) is composed of a plurality of short rods (61), and a mounting seat (7) is detachably provided on one side of the connecting rod (6) close to the bottom, and the remote control switch (3) is detachably arranged in the mounting seat (7).

3. The installation tool for the power extraction device of the distribution automation terminal according to claim 2, characterized in that: The receiving frame (4) comprises a horizontally arranged receiving plate (41), and limiting columns (42) perpendicular to the receiving plate (41) are provided at four corners of the receiving plate (41). The limiting columns (42) cooperate with the receiving plate (41) to form a claw-shaped groove, and the bottom half box (1) of the power extraction device is movably embedded in the claw-shaped groove.

4. The installation tool for the power extraction device of the distribution automation terminal according to claim 3, characterized in that: The limiting columns (42) correspond to the right angles of the side walls of the bottom half box (1) one by one, and the limiting columns (42) and the corresponding right angles of the side walls of the bottom half box (1) form a limiting fit.

5. The installation tool for the power extraction device of the distribution automation terminal according to claim 2, characterized in that: Each short rod (61) of the connecting rod (6) has the same structure. A threaded column (62) is coaxially provided at one end of the short rod (61), and a threaded sleeve (63) is coaxially provided at the other end of the short rod (61). The threaded column (62) is threadably matched with the threaded sleeve (63) of the adjacent short rod (61).

6. The installation tool for the power extraction device of the distribution automation terminal according to claim 5, characterized in that: The outer radius of the threaded sleeve (63) is the same as the radius of the short rod (61), and the length of the threaded column (62) does not exceed the length of the threaded hole of the threaded sleeve (63).

7. The installation tool for the power extraction device of the distribution automation terminal according to claim 6, characterized in that: The connecting sleeve (5) is provided with a threaded hole on a side away from the receiving frame (4), and is threadably matched with the threaded column (62) of the short rod (61) through the threaded hole.

8. The installation tool for the power extraction device of the distribution automation terminal according to claim 2, characterized in that: The mounting seat (7) comprises an annular sleeve (74) sleeved on the short rod (61), one side of the annular sleeve (74) is provided with an opening, both sides of the opening are provided with clamping blocks (75), clamping bolts (76) are provided between the clamping blocks (75), and the clamping blocks (75) form a clamping fit through the clamping bolts (76), a mounting plate (71) is provided on the side of the annular sleeve (74) opposite to the opening, a slot (72) is provided on the mounting plate (71), the remote control switch (3) is movably embedded in the slot (72), and an opening (73) is provided on the side of the mounting plate (71) away from the annular sleeve (74), the opening (73) penetrates into the slot (72), and the button of the remote control switch (3) is exposed from the opening (73).

9. The installation tool for the power extraction device of the distribution automation terminal according to claim 8, characterized in that: The mounting plate (71) and the slot (72) are both arranged axially along the short rod (61).

10. A method for installing a power taking device for a distribution automation terminal, characterized in that: Using the installation tool for the power taking device for the distribution automation terminal as described in any one of claims 2 to 9 to install the power taking device as described in claim 1 on the wire, the steps include: S1. Determine the installation height; S2. Select an appropriate number of short rods (61) according to the installation height, and assemble them coaxially into a connecting rod (6); S3, installing one end of the connecting rod (6) with the connecting sleeve (5), arranging a mounting seat (7) at the other end of the connecting rod (6), and installing a remote control switch (3) in the mounting seat (7); S4, installing the remote controller (2) at the bottom of the receiving frame (4), and placing the bottom half box (1) of the power taking device on the receiving frame (4); S5, operating the remote control switch (3) to open the top half of the box (1) to expose the wire groove, and raising the power taking device through the connecting rod (6) until the wire is located in the wire groove of the bottom half of the box (1); S6. Operate the remote control switch (3) to close the top half box (1) until the wires are clamped in the complete wire groove. At this time, the power supply device is hooked on the wires. Move the connecting rod (6) downward to separate the bottom half box (1) from the receiving frame (4), and the installation is completed.

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