CN117347749A - AC/DC test-feeding instrument for operation and maintenance of power grid - Google Patents

AC/DC test-feeding instrument for operation and maintenance of power grid Download PDF

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Publication number
CN117347749A
CN117347749A CN202311161010.9A CN202311161010A CN117347749A CN 117347749 A CN117347749 A CN 117347749A CN 202311161010 A CN202311161010 A CN 202311161010A CN 117347749 A CN117347749 A CN 117347749A
Authority
CN
China
Prior art keywords
block
hole
column
side face
spring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311161010.9A
Other languages
Chinese (zh)
Inventor
潘树昌
周识远
陈黎明
刘颖
祝喜峰
卢佳敏
蒋毅炜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Puyuan Technology Co ltd
Original Assignee
Shanghai Puyuan Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Puyuan Technology Co ltd filed Critical Shanghai Puyuan Technology Co ltd
Priority to CN202311161010.9A priority Critical patent/CN117347749A/en
Publication of CN117347749A publication Critical patent/CN117347749A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02General constructional details
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02General constructional details
    • G01R1/04Housings; Supporting members; Arrangements of terminals
    • G01R1/0408Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/0084Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring voltage only
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/0092Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/08Locating faults in cables, transmission lines, or networks
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/08Locating faults in cables, transmission lines, or networks
    • G01R31/081Locating faults in cables, transmission lines, or networks according to type of conductors
    • G01R31/086Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution networks, i.e. with interconnected conductors
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/08Locating faults in cables, transmission lines, or networks
    • G01R31/088Aspects of digital computing
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/28Testing of electronic circuits, e.g. by signal tracer
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/28Testing of electronic circuits, e.g. by signal tracer
    • G01R31/2801Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/28Testing of electronic circuits, e.g. by signal tracer
    • G01R31/2801Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
    • G01R31/2806Apparatus therefor, e.g. test stations, drivers, analysers, conveyors

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)

Abstract

The invention relates to the technical field of power grid operation and maintenance auxiliary equipment, in particular to an alternating current/direct current test feeder for power grid operation and maintenance, which comprises a protection assembly, a storage box and a protection cover, wherein the storage box is matched with the protection cover; the machine body comprises a control panel, a power transmission port and a power connection port, wherein the power transmission port and the power connection port are both arranged on the side surface of the control panel, the control panel is matched with the accommodating box, the power transmission port comprises an inserting port, a connecting column and a power transmission seat, the inserting port and the connecting column are arranged on the side surface of the power transmission seat, and the power transmission seat is arranged on the side surface of the control panel; the fixing assembly comprises a connecting piece, a clamping block and a dustproof block, wherein the clamping block and the dustproof block are matched with the connecting piece, the connecting piece is connected with the power transmission port, the machine body is protected through the setting protection assembly, the power transmission line inserted on the machine body is fixed through the setting fixing assembly, and the high-voltage power transmission port is prevented from being connected unstably by mistake to cause equipment overheating and safety risk.

Description

AC/DC test-feeding instrument for operation and maintenance of power grid
Technical Field
The invention relates to the technical field of power grid operation and maintenance auxiliary equipment, in particular to an alternating current/direct current test transmission instrument for power grid operation and maintenance.
Background
The power grid operation and maintenance refers to managing, monitoring and maintaining a power system to ensure safe, reliable and efficient operation of the power system, and in the power grid operation and maintenance, the ac/dc test feeder can be used for various testing and verification scenes, such as voltage adjustment, load test, verification of equipment protection devices, testing of a power supply loop and the like. The AC/DC tester generally has stable and reliable output, wide output range and precision and rich protection function. The AC/DC test feeder needs to strictly follow safety regulations and operation guidelines in operation, thereby ensuring the safety of operators and equipment. Special attention is paid to the protection measures of high voltage and high current output, and electric shock and other safety risks are avoided.
The existing AC/DC test feeder is characterized in that a power transmission line is directly inserted into a power transmission port during working, if a person touches the power transmission line by mistake, the high-voltage power transmission port is unstable in connection, the resistance is increased, equipment is overheated under the influence of high-voltage output current, and safety risks such as electric shock or fire disaster are increased.
Disclosure of Invention
This section is intended to summarize some aspects of embodiments of the invention and to briefly introduce some preferred embodiments, which may be simplified or omitted from the present section and description abstract and title of the application to avoid obscuring the objects of this section, description abstract and title, and which is not intended to limit the scope of this invention.
The present invention has been made in view of the above and/or problems occurring in the prior art.
Therefore, the technical problem to be solved by the invention is that the power transmission line of the existing AC/DC test feeder is directly inserted into the power transmission port when in work, if a person touches the power transmission line by mistake, the high-voltage power transmission port is connected unstably, the resistance is increased, equipment is overheated under the influence of high-voltage output current, and the safety risks such as electric shock or fire disaster are increased.
In order to solve the technical problems, the invention provides the following technical scheme: the protection assembly comprises a containing box and a protection cover, wherein the containing box is matched with the protection cover; the machine body comprises a control panel, a power transmission port and a power connection port, wherein the power transmission port and the power connection port are both arranged on the side surface of the control panel, the control panel is matched with the accommodating box, the power transmission port comprises an inserting port, a connecting column and a power transmission seat, the inserting port and the connecting column are arranged on the side surface of the power transmission seat, and the power transmission seat is arranged on the side surface of the control panel; the fixing assembly comprises a connecting piece, a clamping block and a dustproof block, wherein the clamping block and the dustproof block are matched with the connecting piece, and the connecting piece is connected with the power transmission port.
As a preferred scheme of the ac/dc test transmitter for operation and maintenance of the power grid, the invention comprises the following steps: the accommodating box comprises a shell, a rotating column and a fixing column, wherein the rotating column and the fixing column are arranged on the side face of the shell; the rotating column comprises a rotating hole, and the rotating hole is arranged on the side face of the rotating column.
As a preferred scheme of the ac/dc test transmitter for operation and maintenance of the power grid, the invention comprises the following steps: the protective cover comprises a protective shell, a rotating shaft, a buckle and a handle, wherein the rotating shaft is arranged on the side face of the protective shell, and the buckle and the handle are in running fit with the protective shell; the protective housing includes handle groove, buckle groove and buckle seat, the handle groove set up in the protective housing top, the buckle groove set up in the protective housing side, the buckle seat set up in the buckle groove side.
As a preferred scheme of the ac/dc test transmitter for operation and maintenance of the power grid, the invention comprises the following steps: the buckle comprises a connecting plate, a mounting column, a clamping groove and a locking block, wherein the mounting column and the clamping groove are arranged on the side face of the connecting plate, and the locking block is matched with the connecting plate.
As a preferred scheme of the ac/dc test transmitter for operation and maintenance of the power grid, the invention comprises the following steps: the control panel comprises a display screen, a switch, a voltage regulating knob, a grounding port and a switching button, wherein the display screen, the switch, the voltage regulating knob, the grounding port and the switching button are arranged on the side face of the control panel.
As a preferred scheme of the ac/dc test transmitter for operation and maintenance of the power grid, the invention comprises the following steps: the connecting piece includes fixed block, unlocking piece, locking piece and fixed screw, the unlocking piece with the fixed block upside is connected, the fixed screw cooperates with the fixed block, the locking piece with the unlocking piece cooperation, fixed screw and spliced pole screw thread fit.
As a preferred scheme of the ac/dc test transmitter for operation and maintenance of the power grid, the invention comprises the following steps: the fixed block comprises an assembly hole, a connecting hole, a clamping groove, a dustproof groove, a pressing groove and a locking hole, wherein the assembly hole and the connecting hole penetrate through the side face of the fixed block, the clamping groove and the clamping groove are arranged on the circumferential side face of the assembly hole, the pressing groove is arranged on the upper side face of the assembly hole, and the locking hole is arranged on the side face of the clamping groove.
As a preferred scheme of the ac/dc test transmitter for operation and maintenance of the power grid, the invention comprises the following steps: the clamping block comprises a clamping head, a third spring and a reset hole, wherein the third spring and the reset hole are arranged on the side face of the clamping head, and the clamping head is matched with the clamping groove
As a preferred scheme of the ac/dc test transmitter for operation and maintenance of the power grid, the invention comprises the following steps: the dustproof block comprises a closing plate, a reset column and a fourth spring, wherein the reset column is arranged on the side face of Guan Kongban, and the fourth spring is arranged on the side face of the reset column.
The invention has the beneficial effects that: the machine body is protected by the aid of the protection assembly, the power transmission plug inserted on the machine body is fixed by the aid of the fixing assembly, and the safety risk of equipment overheating caused by unstable contact connection of a high-voltage power transmission port is prevented.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:
fig. 1 is a schematic diagram of an overall structure of an ac/dc test feeder for operation and maintenance of a power grid according to an embodiment of the present invention;
fig. 2 is a schematic diagram of an explosion structure in an ac/dc test feeder for operation and maintenance of a power grid according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an ac/dc test feeder for grid operation according to an embodiment of the present invention when a power line is plugged;
fig. 4 is a schematic diagram of a buckle structure in an ac/dc test feeder for operation and maintenance of a power grid according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a fixing component in an ac/dc test feeder for operation and maintenance of a power grid according to an embodiment of the present invention;
fig. 6 is a schematic cross-sectional structural diagram of a fixing component in an ac/dc test feeder for grid operation and maintenance according to an embodiment of the present invention;
fig. 7 is a schematic diagram of a cross-sectional structure of a fixing block in an ac/dc test feeder for grid operation and maintenance according to an embodiment of the present invention;
fig. 8 is a schematic diagram of an unlocking block structure in an ac/dc test feeder for operation and maintenance of a power grid according to an embodiment of the present invention.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present invention is not limited to the specific embodiments disclosed below.
In the following detailed description of the embodiments of the present invention, reference is made to the accompanying drawings, which form a part hereof, and in which are shown by way of illustration only, and in which is shown by way of illustration only, and in which the scope of the invention is not limited for ease of illustration. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.
Further still, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic may be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1 to 3, the present embodiment provides an ac/dc tester for operation and maintenance of a power grid,
a protective assembly 100 including a housing case 101 and a protective cover 102, the housing case 101 being mated with the protective cover 102; the machine body 200 comprises a control panel 201, a power transmission port 202 and a power connection port 203, wherein the power transmission port 202 and the power connection port 203 are arranged on the side surface of the control panel 201, the control panel 201 is matched with the accommodating box 101, the power transmission port 202 comprises a plug-in port 202a, a connecting column 202b and a power transmission seat 202c, the plug-in port 202a and the connecting column 202b are arranged on the side surface of the power transmission seat 202c, and the power transmission seat 202c is arranged on the side surface of the control panel 201; the fixing assembly 300 comprises a connecting piece 301, a clamping block 302 and a dustproof block 303, wherein the clamping block 302 and the dustproof block 303 are matched with the connecting piece 301, and the connecting piece 301 is connected with the power transmission port 202; the accommodating box 101 and the protective cover 102 are matched to form an openable accommodating box, the machine body 200 is integrated in the accommodating box 101 to form an alternating current/direct current test feeder body, the control panel 201 is matched with the accommodating box 101 in a clamping mode, the power transmission port 202 is a high-voltage power transmission interface of the alternating current/direct current test feeder, the power connection port 203 is used for being connected with a power supply, the clamping blocks 302 and the dustproof blocks 302 are respectively provided with two, the clamping blocks 302 are used for clamping the power transmission line, and the dustproof blocks 303 prevent dust from entering the power transmission port 202.
The control panel 201 comprises a display screen 201a, a switch 201b, a voltage regulating knob 201c, a grounding port 201d and a switching button 201e, wherein the display screen 201a, the switch 201b, the voltage regulating knob 201c, the grounding port 201d and the switching button 201e are arranged on the side surface of the control panel 201; the display screen 201a is provided with two output voltage display screens, one is a current magnitude display screen, the switch 201b is a main switch of the AC/DC tester, the adjusting knob 201c is used for adjusting the magnitude of the output voltage, the grounding port 201d is used for connecting a circuit for providing current through grounding wires so as to ensure the safety of electrical equipment and operators, and the switching button 201e is used for switching the AC/DC working mode.
When the test device is used, the protective cover 102 is opened, the connecting lead of the grounding port 201d is grounded, the power plug is inserted into the power connection port 203, the output electric wire is connected to electric equipment and circuits to be monitored, the output electric wire is connected into the power transmission port 202 and fixed by the fixing component 300, the alternating current and direct current working mode is selected by the switching button 201e, the voltage regulating knob 201c is used for setting proper values according to test requirements and requirements of tested equipment, the switch 201b is opened, the test device is started to output required alternating current or direct current power signals according to the set parameters, at the moment, indexes such as voltage, current and the like of the output signals can be monitored in real time through the display screen 201a, the test result and any observed abnormal conditions are recorded for subsequent analysis and processing, after the test is completed, the switch 201b of the test device is closed, and the test device is disconnected.
Example 2
Referring to fig. 1 to fig. 4, in order to provide a second embodiment of the present invention, based on the previous embodiment, the present embodiment provides an implementation manner of an ac/dc meter for operation and maintenance of a power grid.
The accommodating box 101 comprises a shell 101a, a rotating column 101b and a fixed column 101c, wherein the rotating column 101b and the fixed column 101c are arranged on the side surface of the shell 101 a; the rotating column 101b comprises a rotating hole 101b-1, and the rotating hole 101b-1 is arranged on the side surface of the rotating column 101 b; the housing 101a is a plastic housing for mounting the body 200, the rotation column 101b is provided with a rotation hole 101b-1 for cooperating with the protection cover 102, the protection cover 102 can rotate around the rotation column 101b, and the fixing column 101c is a locking column for accommodating the box 101 and the protection cover 102.
The protective cover 102 comprises a protective shell 102a, a rotating shaft 102b, a buckle 102c and a handle 102d, wherein the rotating shaft 102b is arranged on the side surface of the protective shell 102a, and the buckle 102c and the handle 102d are in rotating fit with the protective shell 102 a; the protective housing 102a includes a handle groove 102a-1, a buckling groove 102a-2 and a buckling seat 102a-3, the handle groove 102a-1 is arranged at the top of the protective housing 102a, the buckling groove 102a-2 is arranged at the side surface of the protective housing 102a, and the buckling seat 102a-3 is arranged at the side surface of the buckling groove 102 a-2; the rotation shaft 102b is engaged with the rotation hole 101b-1 so that the protection cover 102 can rotate around the rotation hole 101b-1, and the buckle 102c is used for locking the accommodating case 101 and the protection cover 102.
The buckle 102c comprises a connecting plate 102c-1, a mounting column 102c-2, a clamping groove 102c-3 and a locking block 102c-4, wherein the mounting column 102c-2 and the clamping groove 102c-3 are arranged on the side surface of the connecting plate 102c-1, and the locking block 102c-4 is matched with the connecting plate 102 c-1; the mounting post 102c-2 may be coupled to the protective cover 102 and rotate the catch 102c about it, the catch 102c-3 may cooperate with the securing post 101c, the locking block 102c-4 may be a catch with a ramp, a spring, and a pull ring, the ramp may allow the securing post 101c to pass unidirectionally and then lock it within the catch 102c-3, and the pull ring may pull the locking block 102c-4 down to unlock the securing post 101c and withdraw from the catch 102c-3.
When the test feeder is used, the pull ring of the locking block 102c-4 is pulled down to unlock the fixed column 101c, then the clamping groove 102c-3 is separated from the fixed column 101c by the rotary buckle 102c, the protective cover 102 is turned upwards to open the protective assembly 100, the machine body 200 is connected to corresponding equipment or a circuit for use, after the test feeder works, various connecting wires are released, the protective cover 102 is rotated to be matched with the accommodating box 101, then the connecting plate 102c-1 is pressed, the fixed column 101c pushes the inclined surface of the locking block 102c-4 to push down, then the fixed column 101c is placed in the clamping groove 102c-3, the locking block 102c-4 is reset under the action of a spring to lock the fixed column 101c, the accommodating box 101 is locked with the protective cover 102, and then the handle 102d is lifted to move.
Example 3
Referring to fig. 2 to 8, in order to provide a third embodiment of the present invention, based on the first two embodiments, the present embodiment provides an implementation manner of an ac/dc meter for operation and maintenance of a power grid.
The connecting piece 301 comprises a fixed block 301a, an unlocking block 301b, a locking block 301c and a fixing screw 301d, wherein the unlocking block 301b is connected with the upper side of the fixed block 301a, the fixing screw 301d is matched with the fixed block 301a, the locking block 301c is matched with the unlocking block 301b, and the fixing screw 301d is in threaded fit with the connecting column 202 b; the fixing block 301a is a hard plastic block for connecting other components of the fixing assembly 300, the unlocking block 301b is used for opening the fixing assembly 300, the locking block 301c can lock the clamping block 302, the fixing screw 301d fixes the connecting piece 301 on the power transmission port 202, and the fixing screw 301d is in threaded connection with a threaded hole on the connecting column 202 b.
The fixing block 301a includes an assembly hole 301a-1, a connection hole 301a-2, a clamping groove 301a-3, a dust-proof groove 301a-4, a pressing groove 301a-5 and a locking hole 301a-6, the assembly hole 301a-1 and the connection hole 301a-2 penetrate through the side surface of the fixing block 301a, the clamping groove 301a-3 and the clamping groove 301a-3 are arranged on the circumferential side surface of the assembly hole 301a-1, the pressing groove 301a-5 is arranged on the upper side surface of the assembly hole 301a-1, and the locking hole 301a-6 is arranged on the side surface of the clamping groove 301 a-3; the assembly hole 301a-1 is used for assembling the unlocking block 301b, the connection hole 301a-2 is used for being matched with the connection column 202b, the clamping groove 301a-3 is used for connecting the clamping block 302, the dustproof groove 301a-4 is used for installing the dustproof block 303, the pressing groove 301a-5 is used for conveniently pressing the unlocking block 301b, and the locking hole 301a-6 is used for installing the locking block 301c.
The unlocking block 301b comprises a plug hole 301b-1, an unlocking inclined plane 301b-2, a first spring 301b-3, a through hole 301b-4 and a rotating column 301b-5, the plug hole 301b-1 is arranged on the side face of the Jie Suokuai b, the unlocking inclined plane 301b-2 is arranged on the circumferential side face of the plug hole 301b-1, the first spring 301b-3 and the through hole 301b-4 are arranged on the side face of the Jie Suokuai b, and the rotating column 301b-5 is arranged on the side face of the Jie Suokuai 301 b; the locking block 301c comprises a pressing head 301c-1, a locking head 301c-2, a second spring 301c-3 and a pull rod 301c-4, wherein one end of the second spring 301c-3 is connected with the locking head 301c-2, the other end of the second spring 301c-3 is connected with the pull rod 301c-4, the pressing head 301c-1 is matched with the pull rod 301c-4, and the pressing head 301c-1 is in rotating fit with the rotary column 301 b-5; the plug hole 301b-1 is used for passing a power transmission plug, the unlocking inclined plane 301b-2 is used for unlocking the clamping block 302 in time by pressing down, the first spring 301b-3 resets the unlocking block 301b, the through hole 301b-4 and the rotating column 301b-5 are used for installing the locking block 301c, the pressing head 301c-1 is in rotating fit with the rotating column 301b-5, the locking block 301c is lifted up when being pressed down, the locking head 301c-2 locks the clamping block, and the second spring 301c-3 and the pull rod 301c-4 are connected with the locking head 301c-2 and the pressing head 301c-1.
The clamping block 302 comprises a clamping head 302a, a third spring 302b and a reset hole 302c, wherein the third spring 302b and the reset hole 302c are arranged on the side surface of the clamping head 302a, and the clamping head 302a is matched with the clamping groove 301 a-3; the clamping head 302a is an arc-shaped head and is used for limiting the power socket, the third spring 302b provides spring force for the clamping block 302 to pop up, and the reset hole 302c is used for installing the fourth spring 303c.
The dust-proof block 303 includes Guan Kongban a, a reset post 303b and a fourth spring 303c, the reset post 303b is provided Guan Kongban a on the side face of the reset post 303b, and the fourth spring 303c is provided on the side face of the reset post 303 b; the reset post 303b is pushed by the clamping head 302a to pull Guan Kongban a to open, and the fourth spring 303c is used to pull the reset post 303b to reset and close the orifice plate 303a when closed.
When the transmission line is required to be installed, the pressing head 301c-1 is pressed down and drives the unlocking block 301b to slide downwards together, the first spring 301b-3 on the unlocking block 301b and the second spring 301c-3 on the locking block 301c are in a compressed state, the unlocking inclined surface 301b-2 pushes the clamping head of the clamping block 302 to retract, the clamping head 302 pushes the reset column 303b to open Guan Kongban a, the transmission line plug is inserted into the transmission port 202, the pressing head 301c-1 is released, the first spring 301b-3 resets the unlocking block 301b, the clamping head 302 is ejected and clamped on the plug under the action of the third spring 302b, guan Kongban a is limited by the transmission plug and cannot be reset, the fourth spring 303c is in a stretched state, the locking block 301c is clamped behind the clamping head 302 under the influence of the dead weights of the second spring 301c-3 and the pull rod 301c-4, the pressing head 301c-1 is in a parallel state, the transmission plug is prevented from loosening, and the transmission plug is prevented from being fixed, and the transmission line is prevented from being blocked by the high-voltage port and being connected to cause a risk of overheat and stable and safe; when the power transmission plug is required to be pulled out, the pressing head 301c-1 is pressed again, the pressing head 301c-1 firstly lifts the pull rod 301c-4, the pull rod 301c-4 drives the second spring 301c-3 to lift the locking head 301c-2 for unlocking, the first spring 301b-3 on the unlocking block 301b is in a compressed state, the unlocking inclined plane 301b-2 pushes the locking head of the locking block 302 to retract, the plug is pulled out, the pressing head 301c-1 is released, the first spring 301b-3 resets the unlocking block 301b, the locking head 302 is ejected under the action of the third spring 302b, the reset column 303b is pulled back by the fourth spring 303c, the Guan Kongban a is pulled up by the reset column 303b to close the plug-in port 202a for protecting dust from falling in, the locking head 301c-2 is lifted by the reset column 303b, and reset is completed.
It is important to note that the construction and arrangement of the present application as shown in a variety of different exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of present invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the invention is not limited to the specific embodiments, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Furthermore, in order to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those not associated with the best mode presently contemplated for carrying out the invention, or those not associated with practicing the invention).
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure.
It should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered in the scope of the claims of the present invention.

Claims (10)

1. An alternating current-direct current test transmitter for power grid operation and maintenance, which is characterized in that: comprising the steps of (a) a step of,
a protective assembly (100) comprising a containment box (101) and a protective cover (102), the containment box (101) being mated with the protective cover (102);
organism (200), including controlling panel (201), transmission of electricity mouth (202) and electric connection mouth (203) all set up in control panel (201) side, control panel (201) with hold box (101) cooperation, transmission of electricity mouth (202) include interface (202 a), spliced pole (202 b) and transmission of electricity seat (202 c), interface (202 a) and spliced pole (202 b) set up in transmission of electricity seat (202 c) side, transmission of electricity seat (202 c) set up in control panel (201) side;
the fixing assembly (300) comprises a connecting piece (301), a clamping block (302) and a dustproof block (303), wherein the clamping block (302) and the dustproof block (303) are matched with the connecting piece (301), and the connecting piece (301) is connected with the power transmission port (202).
2. The ac/dc test feeder for grid operation and maintenance according to claim 1, wherein: the accommodating box (101) comprises a shell (101 a), a rotating column (101 b) and a fixing column (101 c), wherein the rotating column (101 b) and the fixing column (101 c) are arranged on the side face of the shell (101 a);
the rotating column (101 b) comprises a rotating hole (101 b-1), and the rotating hole (101 b-1) is arranged on the side face of the rotating column (101 b).
3. The ac/dc test feeder for grid operation and maintenance according to claim 2, wherein: the protective cover (102) comprises a protective shell (102 a), a rotating shaft (102 b), a buckle (102 c) and a handle (102 d), wherein the rotating shaft (102 b) is arranged on the side surface of the protective shell (102 a), and the buckle (102 c) and the handle (102 d) are in running fit with the protective shell (102 a);
the protective housing (102 a) includes handle groove (102 a-1), buckle groove (102 a-2) and buckle seat (102 a-3), handle groove (102 a-1) set up in protective housing (102 a) top, buckle groove (102 a-2) set up in protective housing (102 a) side, buckle seat (102 a-3) set up in buckle groove (102 a-2) side.
4. An ac/dc test feeder for grid operation and maintenance according to claim 3, wherein: the buckle (102 c) comprises a connecting plate (102 c-1), a mounting column (102 c-2), a clamping groove (102 c-3) and a locking block (102 c-4), wherein the mounting column (102 c-2) and the clamping groove (102 c-3) are arranged on the side face of the connecting plate (102 c-1), and the locking block (102 c-4) is matched with the connecting plate (102 c-1).
5. The ac/dc test feeder for grid operation and maintenance according to claim 3 or 4, wherein: the control panel (201) comprises a display screen (201 a), a switch (201 b), a voltage regulating knob (201 c), a grounding port (201 d) and a switching button (201 e), wherein the display screen (201 a), the switch (201 b), the voltage regulating knob (201 c), the grounding port (201 d) and the switching button (201 e) are arranged on the side face of the control panel (201).
6. The ac/dc test feeder for grid operation and maintenance according to claim 5, wherein: the connecting piece (301) comprises a fixed block (301 a), an unlocking block (301 b), a locking block (301 c) and a fixing screw (301 d), wherein the unlocking block (301 b) is connected with the upper side of the fixed block (301 a), the fixing screw (301 d) is matched with the fixed block (301 a), the locking block (301 c) is matched with the unlocking block (301 b), and the fixing screw (301 d) is in threaded fit with the connecting column (202 b).
7. The ac/dc test feeder for grid operation and maintenance according to claim 6, wherein: the fixing block (301 a) comprises an assembly hole (301 a-1), a connecting hole (301 a-2), a clamping groove (301 a-3), a dust-proof groove (301 a-4), a pressing groove (301 a-5) and a locking hole (301 a-6), wherein the assembly hole (301 a-1) and the connecting hole (301 a-2) penetrate through the side face of the fixing block (301 a), the clamping groove (301 a-3) and the clamping groove (301 a-3) are arranged on the circumferential side face of the assembly hole (301 a-1), the pressing groove (301 a-5) is arranged on the upper side face of the assembly hole (301 a-1), and the locking hole (301 a-6) is arranged on the side face of the clamping groove (301 a-3).
8. The ac/dc test feeder for grid operation and maintenance according to claim 7, wherein: the unlocking block (301 b) comprises an inserting hole (301 b-1), an unlocking inclined surface (301 b-2), a first spring (301 b-3), a through hole (301 b-4) and a rotating column (301 b-5), wherein the inserting hole (301 b-1) is arranged on the side face of the unlocking block (301 b), the unlocking inclined surface (301 b-2) is arranged on the circumferential side face of the inserting hole (301 b-1), the first spring (301 b-3) and the through hole (301 b-4) are arranged on the side face of the unlocking block (301 b), and the rotating column (301 b-5) is arranged on the side face of the unlocking block (301 b);
the locking block (301 c) comprises a pressing head (301 c-1), a locking head (301 c-2), a second spring (301 c-3) and a pull rod (301 c-4), one end of the second spring (301 c-3) is connected with the locking head (301 c-2), the other end of the second spring (301 c-3) is connected with the pull rod (301 c-4), the pressing head (301 c-1) is matched with the pull rod (301 c-4), and the pressing head (301 c-1) is in running fit with the rotary column (301 b-5).
9. The ac/dc test feeder for grid operation and maintenance of claim 8, wherein: the clamping block (302) comprises a clamping head (302 a), a third spring (302 b) and a reset hole (302 c), wherein the third spring (302 b) and the reset hole (302 c) are arranged on the side face of the clamping head (302 a), and the clamping head (302 a) is matched with the clamping groove (301 a-3).
10. The ac/dc test feeder for grid operation and maintenance according to claim 8 or 9, characterized in that:
the dustproof block (303) comprises Guan Kongban (303 a), a reset column (303 b) and a fourth spring (303 c), wherein the reset column (303 b) is arranged on the side face of the Guan Kongban (303 a), and the fourth spring (303 c) is arranged on the side face of the reset column (303 b).
CN202311161010.9A 2023-09-11 2023-09-11 AC/DC test-feeding instrument for operation and maintenance of power grid Pending CN117347749A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311161010.9A CN117347749A (en) 2023-09-11 2023-09-11 AC/DC test-feeding instrument for operation and maintenance of power grid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311161010.9A CN117347749A (en) 2023-09-11 2023-09-11 AC/DC test-feeding instrument for operation and maintenance of power grid

Publications (1)

Publication Number Publication Date
CN117347749A true CN117347749A (en) 2024-01-05

Family

ID=89368099

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311161010.9A Pending CN117347749A (en) 2023-09-11 2023-09-11 AC/DC test-feeding instrument for operation and maintenance of power grid

Country Status (1)

Country Link
CN (1) CN117347749A (en)

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