CN217279360U

CN217279360U - Control loop ripple immunity testing device for high-voltage switch and control

Info

Publication number: CN217279360U
Application number: CN202220191972.3U
Authority: CN
Inventors: 吴益锋; 刘剑
Original assignee: Shanghai Power Transmission & Distribution Testing Center Co ltd
Current assignee: Shanghai Power Transmission & Distribution Testing Center Co ltd
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2022-08-23
Anticipated expiration: 2032-01-25

Abstract

The utility model discloses a control loop ripple immunity testing device for high-voltage switch and control, which comprises a tester body, wherein a display screen is arranged at the middle position of the front side of the tester body, and one side of the tester body is provided with a switching base through integral molding, in the utility model, through the arranged clamping rod, the communication joint, the positioning nut, the first spring, the communication wiring, the guide rod and the central block, when the communication connector carries a communication connection wire to be quickly connected with the whole device, the group of clamping rods for realizing resetting can be combined with the screw connection between the guide rod and the positioning nut to play a certain clamping and limiting role from the positions at the two sides of the communication cable, and through the clamping and limiting treatment which can be carried out in advance from the positions at the two sides of the communication cable, the phenomenon that the wiring is loosened and falls off when the whole device is connected with a communication module can be effectively avoided.

Description

Control loop ripple immunity testing device for high-voltage switch and control

Technical Field

The utility model relates to a ripple immunity test technical field specifically is a control circuit ripple immunity testing arrangement for high tension switchgear and control.

Background

With the increasing development of power systems in China, a direct current system is used as a critical equipment system of a power plant and a power station, and uninterrupted power supply must be ensured under normal operation and accident conditions. Ripple is an important index of the voltage quality of a dc system, but is often ignored, and the ripple is an ac component in a dc voltage. The direct current voltage is originally a fixed value, but is obtained by rectifying and filtering the alternating current voltage in many times, residual alternating current components exist due to unclean filtering, ripple is generated due to fluctuation of a load even if a battery is used for supplying power, and a ripple immunity testing device is required when the ripple immunity of the direct current is detected. Control circuit ripple immunity testing arrangement on the market is when carrying out communication transmission operation, and the easy pine that causes when communication link connects takes off the phenomenon, stability when can't ensure whole device and carry out communication transmission operation to when the device is laid the operation for a long time, partial protrusion sets up at the positive each item component of whole device, receives the adhesion of dust easily, influences the quick operation of next-level operator to each item component.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a control circuit ripple immunity testing arrangement for high tension switchgear and control to solve the pine of the wiring that proposes in the above-mentioned background art and take off, cause the adhesion of communication transmission operation unstable enough and dust, the operator of being not convenient for carries out the problem of operating.

In order to achieve the above object, the utility model provides a following technical scheme:

a control loop ripple immunity testing device for high-voltage switch and control comprises a tester body, wherein a display screen is arranged in the middle of the front face of the tester body, a switching base is arranged on one side of the tester body through integral forming, a communication joint is clamped and installed at one side of the switching base far away from the tester body, a communication connection wire is connected with one side of the communication joint far away from the switching base, a clamping rod is arranged right in front of one side of the communication connection wire, a combined frame is arranged above the switching base, a central block is embedded in the central position of the inner part of the combined frame, sliding blocks are arranged at two inner side positions of the combined frame, a guide rod is connected with the inner part of each sliding block in an inserting manner, a first spring is sleeved on the outer part of one side of the guide rod, and a positioning nut is spirally installed at the other side position of the guide rod, and a drawing plate is embedded above the front side of the tester body.

Preferably, the positive upper right position of tester body is provided with anodal socket, and one side position of anodal socket is adjacent to be provided with the negative pole socket, negative pole socket and tester body integrated into one piece.

Preferably, the wiring ends of the switching base and the display screen are respectively connected with the wiring ends of a control module arranged in the tester body, a supporting plate is arranged in the middle of the top end of the tester body, and a supporting frame is rotatably connected to the lower position of the tester body.

Preferably, the top position of backup pad is provided with long connecting rod, and the middle part position of backup pad sets up flutedly through integrative pouring shaping processing, the inside of recess is inlayed and is equipped with the second spring, and the hook is connected between second spring and the long connecting rod, the bottom both sides of long connecting rod all are connected with the short connecting rod, and alternate between short connecting rod and the backup pad to be connected, the block is connected between short connecting rod and the pull board.

Preferably, clamping bar and slider integrated into one piece, and the clamping bar passes through slider and guide arm sliding connection, guide arm and the integrative title of centre block, it is fixed to spot weld between one side end of slider and one side end of first spring, the clamping bar sets up for the symmetry axis symmetry along the vertical axis of centre block, and laminates each other between a side of clamping bar and the surface of communication wiring.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses in, through the clamping bar, communication joint, set nut, first spring, communication wiring, guide arm and the centre block that set up, when communication joint carries communication wiring and connects whole device fast, the spiral connection between a set of clamping bar that realizes resetting will unite guide arm and set nut will be played the effect that certain centre gripping was prescribed a limit from the both sides position of communication cable, through can be from the both sides position of communication cable centre gripping prescribed a limit to handle, can avoid whole device effectively when connecting communication module, appear the phenomenon that the wiring pine takes off and drops;

(2) the utility model discloses in, through the support frame that sets up, the pull board, the tester body, the second spring, recess and long connecting rod, take out and realize stabilizing the horizontal operation back from storage device at whole device, the pull board is taken out in the inside from the tester body, and be connected with the block of a set of short connecting rod that can realize springback and reset with the help of self and obtain the position and prescribe a limit to the back, the pull board will be followed the top position of whole device, the effect of certain dustproof protection is played to the protruding component that its below was equipped with, avoid the adhesion of dust, influence the quick operation of whole device of operator to each item component.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the inner structure of the assembly frame of the present invention;

fig. 3 is a schematic structural diagram of a portion a of fig. 1 according to the present invention.

In the figure: the test instrument comprises a test instrument body 1, a positive socket 2, a negative socket 3, a switching base 4, a communication joint 5, a communication connection wire 6, a clamping rod 7, a combined frame 8, a center block 9, a guide rod 10, a sliding block 11, a first spring 12, a positioning nut 13, a drawing plate 14, a display screen 15, a support frame 16, a support plate 17, a long connecting rod 18, a groove 19, a second spring 20 and a short connecting rod 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

a control loop ripple immunity testing device for high-voltage switch and control comprises a tester body 1, a display screen 15 is arranged in the middle of the front face of the tester body 1, a switching base 4 is arranged on one side of the tester body 1 through integral forming, a communication joint 5 is clamped and installed at one side of the switching base 4 far away from the tester body 1, a communication wiring 6 is connected with one side of the communication joint 5 far away from the switching base 4, a clamping rod 7 is arranged right in front of one side of the communication wiring 6, a combined frame 8 is arranged above the switching base 4, a central block 9 is embedded at the central position of the inside of the combined frame 8, sliding blocks 11 are arranged at two sides of the inside of the combined frame 8, a guide rod 10 is connected inside the sliding blocks 11 in an inserting manner, a first spring 12 is sleeved outside one side of the guide rod 10, and a positioning nut 13 is spirally installed at the other side of the guide rod 10, a drawing plate 14 is embedded at the upper position of the front surface of the tester body 1.

The positive socket 2 is arranged at the right upper position of the front face of the tester body 1, the negative socket 3 is adjacently arranged at one side position of the positive socket 2, the negative socket 3 and the tester body 1 are integrally formed, and a wiring end of the positive socket 2 and a wiring end of the negative socket 3 are combined to be connected with a control module in the whole device in advance; the wiring terminals of the switching base 4 and the display screen 15 are respectively connected with the wiring terminal of a control module arranged in the tester body 1, a supporting plate 17 is arranged at the middle position of the top end of the tester body 1, a supporting frame 16 is rotatably connected to the lower position of the tester body 1, and the supporting frame 16 can provide corresponding supporting acting force for the stable placement of the whole device; the top end of the supporting plate 17 is provided with a long connecting rod 18, the middle of the supporting plate 17 is provided with a groove 19 through integral pouring forming, a second spring 20 is embedded in the groove 19, the second spring 20 is connected with the long connecting rod 18 in a hooking mode, the two sides of the bottom end of the long connecting rod 18 are connected with short connecting rods 21, the short connecting rods 21 are connected with the supporting plate 17 in an inserting mode, the short connecting rods 21 are connected with the pull plate 14 in a clamping mode, and the pull plate 14 taken out through pulling can be used for conveniently preventing dust of a protruding component arranged above a front face of the whole device; clamping bar 7 and slider 11 integrated into one piece, and clamping bar 7 passes through slider 11 and guide arm 10 sliding connection, guide arm 10 and the integrative title of centre block 9, it is fixed to spot welding between a side end of slider 11 and a side end of first spring 12, clamping bar 7 sets up for symmetry axis symmetry along the vertical axis of centre block 9, and laminate each other between a side of clamping bar 7 and the surface of communication wiring 6, a set of clamping bar 7 can assist whole device to carry out the centre gripping from the both sides position of communication cable and prescribe a limit to.

The working process is as follows: when the positive and negative differential connectors connected with the whole device in advance are quickly connected with the positive and negative poles of the direct current power supply under the auxiliary connection matching of the positive socket 2 and the negative socket 3, and the whole device is adjusted to be in a working state, the whole device can record different states of auxiliary and control functions by the aid of the control module arranged in the tester body 1 and the auxiliary of the switching equipment powered by the direct current power supply and the superposition of alternating current components with different levels on the control loop, the interference resistance level of each equipment in the auxiliary and control loop and the interference resistance level of the whole loop to ripples are determined according to standard criteria, and the tested data can be displayed through the display screen 15, so that the whole ripple interference resistance test operation is completed, and the relevant principle of the ripple interference resistance tester related to the structure is the disclosed prior art, and the whole device is combined before the communication component is connected, when the communication connector 5 carries the communication connection wire 6 to be quickly connected with the whole device and the original manual traction acting force on the group of clamping rods 7 is removed, the group of clamping rods 7 which are reset by the aid of the rebounding acting force generated by the first spring 12 under the auxiliary connection matching of the guide rod 10 and the central block 9 can be combined with the spiral connection between the guide rod 10 and the positioning nut 13 to play a certain clamping and limiting role from the two side positions of the communication cable, after the whole device is taken out from the containing equipment and stable transverse operation is realized, under the auxiliary support matching of the support frame 16, the pull plate 14 which is subjected to the manual traction acting force is pulled out from the inside of the tester body 1, and under the auxiliary connection matching of the second spring 20, the groove 19 and the long connecting rod 18, after the position is limited by the self-clamping connection with the group of the short connecting rods 21 which can realize rebounding and resetting, the pull plate 14 will act as a dust guard for the protruding member below it from the upper position of the whole device.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a control circuit ripple immunity testing arrangement for high voltage switch and control, includes tester body (1), its characterized in that: the tester comprises a tester body (1), a display screen (15) is arranged in the middle of the front of the tester body (1), a switching base (4) is arranged on one side of the tester body (1) through integral forming, a communication connector (5) is clamped and installed on one side of the switching base (4) far away from the tester body (1), a communication wiring (6) is connected to one side of the communication connector (5) far away from the switching base (4), a clamping rod (7) is arranged right in front of one side of the communication wiring (6), a combined frame (8) is arranged above the switching base (4), a center block (9) is embedded in the center of the inside of the combined frame (8), sliding blocks (11) are arranged on two sides of the inside of the combined frame (8), a guide rod (10) is connected to the inside of each sliding block (11) in an inserting manner, a first spring (12) is sleeved outside one side of the guide rod (10), and a positioning nut (13) is spirally installed at the other side of the guide rod (10), and a drawing plate (14) is embedded at the upper position of the front surface of the tester body (1).

2. The control loop ripple immunity test apparatus for high voltage switching and control of claim 1, wherein: the positive upper right position of tester body (1) is provided with anodal socket (2), and one side position of anodal socket (2) is adjacent to be provided with negative pole socket (3), negative pole socket (3) and tester body (1) integrated into one piece.

3. The control loop ripple immunity test apparatus for high voltage switching and control of claim 1, wherein: the wiring end of switching base (4), display screen (15) is connected with the wiring end of the control module who is equipped with respectively in tester body (1) inside, the top middle part position of tester body (1) is provided with backup pad (17), and the below position rotation of tester body (1) is connected with support frame (16).

4. A control loop ripple immunity test device for high voltage switching and control according to claim 3, wherein: the top position of backup pad (17) is provided with long connecting rod (18), and sets up fluted (19) through integrative pouring shaping processing in the middle part position of backup pad (17), the inside of recess (19) is inlayed and is equipped with second spring (20), and the hook is connected between second spring (20) and long connecting rod (18), the bottom both sides of long connecting rod (18) all are connected with short connecting rod (21), and alternates between short connecting rod (21) and backup pad (17) to be connected, the block is connected between short connecting rod (21) and pull board (14).

5. The control loop ripple immunity test apparatus for high voltage switching and control of claim 1, wherein: clamping bar (7) and slider (11) integrated into one piece, and clamping bar (7) pass through slider (11) and guide arm (10) sliding connection, guide arm (10) and central block (9) an organic whole are called, it is fixed to spot weld between one side end of slider (11) and one side end of first spring (12), clamping bar (7) set up for symmetry axis symmetry along the vertical axis of central block (9), and laminate each other between the surface of a side of clamping bar (7) and communication wiring (6).