CN216248055U - High-voltage direct-current shared grounding electrode isolating switch remote monitoring system - Google Patents

Abstract

The utility model discloses a high-voltage direct-current common ground electrode isolating switch remote monitoring system which comprises a base, wherein the top of the base is fixedly connected with a monitoring device, a through hole at the bottom of the monitoring device is in clearance fit with a semiconductor refrigerating sheet, and one side of a power supply is fixedly connected with one side of the inner wall of the monitoring device. The utility model relates to the technical field of direct current grounding, through the cooperation among a spring, a top plate and a circuit board, if a power supply in monitoring equipment is overheated due to load work, a user can start a semiconductor refrigeration sheet to dissipate heat of the power supply, and meanwhile, if the device is toppled, the spring can buffer the circuit board when the device falls down, so that the damage to electronic elements on the circuit board is reduced, and the problems that the normal work of the electronic elements in the monitoring equipment is influenced and the normal use of people is influenced when the heat of the power supply is overhigh or the equipment topples over in the working process of the conventional device are solved, and no limitation exists.

Description

High-voltage direct-current shared grounding electrode isolating switch remote monitoring system

Technical Field

The utility model relates to the technical field of direct current grounding, in particular to a high-voltage direct current common grounding electrode isolating switch remote monitoring system.

Background

The direct current grounding electrode is a part of a direct current transmission system, when the direct current transmission system operates in a single-pole ground return mode, a large current can be injected into the ground through the grounding electrode for a long time, the floor area of the direct current grounding electrode is usually large so as to achieve a good grounding effect, at present, in order to save the ground and reduce the engineering cost, a mode that a plurality of direct current transmission systems share one grounding electrode is adopted, but for the mode that the grounding electrode is shared, after a grounding electrode circuit is electrically connected and separated with a converter station, the shared grounding electrode still can be electrically connected with another converter station, the ground still can have voltage or current flowing through, for example, when one grounding electrode circuit has a grounding fault or is grounded through a grounding electrode isolating switch in the station, the other direct current transmission system still operates in a single-pole ground return mode by using the shared grounding electrode, at this moment, a small amount (which can reach hundreds of amperes) of ground current flows through the isolating switch and the grounded grounding electrode circuit to enter the ground, the magnitude of this current is related to the magnitude of the ground resistance at which the line is grounded.

The existing device adopts monitoring equipment to monitor a direct current grounding electrode in real time, and can timely remedy the abnormal data.

However, if the heat of the power supply is too high or the equipment is toppled over during the operation of the existing device, the normal operation of the electronic element in the monitoring equipment can be influenced, the normal use of people is influenced, and the limitation exists.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a high-voltage direct-current common grounding electrode isolating switch remote monitoring system, which solves the problems that if the heat of a power supply is too high or equipment is toppled over during the operation of the conventional device, the normal operation of electronic elements in the monitoring equipment is influenced, the normal use of people is influenced, and the limitation exists.

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a high voltage direct current earthing pole isolator remote monitoring system that shares, includes the base, the top rigid coupling of base has monitoring facilities, the spring is installed to monitoring facilities's inner wall bottom, the top rigid coupling of spring has the roof, the outer wall cooperation of roof links to each other there is the circuit board, one side through-hole clearance fit of circuit board has the montant, the outer wall top screw thread of montant links to each other there is the stopper, the bottom of stopper and the top of circuit board are laminated mutually, monitoring facilities's bottom through-hole clearance fit has the semiconductor refrigeration piece, the top laminating of semiconductor refrigeration piece has the power, one side of power and monitoring facilities's inner wall one side fixed connection.

Preferably, a plurality of said springs are equally spaced at the bottom of the top plate.

Preferably, the top rigid coupling of base has the slide bar, the outer wall sliding clamping of slide bar has the sliding sleeve, the equal clearance fit of one side through-hole of sliding sleeve and one side recess of slide bar has the bolt, one side rigid coupling of sliding sleeve has the mounting, the top of mounting and the laminating of the bottom of semiconductor refrigeration piece.

Preferably, the sliding sleeve and the sliding rod form a sliding limiting mechanism.

Preferably, there is the shell at monitoring facilities's top through the bolt rigid coupling, a plurality of wiring mouths are installed at monitoring facilities's top, and are a plurality of the equal joint in inside of wiring mouth has the wire, and is a plurality of outer wall one side of wire respectively with a plurality of through-hole clearance fit of shell, the top of shell is linked to each other through the round pin axle rotation has the apron.

Advantageous effects

The utility model provides a remote monitoring system for a high-voltage direct-current shared grounding electrode isolating switch. The method has the following beneficial effects: this high voltage direct current sharing earthing pole isolator remote monitoring system passes through the spring, cooperation between roof and the circuit board, if the overheated condition appears in monitoring facilities's inside power because load work, the user can start the semiconductor refrigeration piece and dispel the heat to the power, simultaneously if the device has taken place to empty, when falling, the spring can cushion the circuit board, reduce the damage that electronic component on the circuit board received, it is too high if the power heat is carrying out the during operation to have solved current device, or the condition that empties appears in equipment, can influence the normal work of the inside electronic component of monitoring facilities, people's normal use's problem has been influenced, there is not the limitation.

Through the slide bar, the cooperation between sliding sleeve and the bolt, the user can pull out the bolt earlier when carrying out maintenance and maintenance to the semiconductor refrigeration piece, the sliding sleeve at this moment supports downstream owing to losing external force, then the user alright take off the semiconductor refrigeration piece from the through-hole department of monitoring facilities bottom, the change process is simple, the device has carried out the arrangement with the wiring department simultaneously, also be convenient for accomodate the arrangement when preventing that the dust from entering into the wiring mouth, be favorable to promoting and using.

Drawings

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

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a schematic diagram of the spring, top plate and circuit board of FIG. 2;

fig. 4 is a schematic structural view of the sliding rod, the sliding sleeve and the bolt in fig. 2.

In the figure: 1. the base, 2, monitoring facilities, 3, spring, 4, roof, 5, circuit board, 6, montant, 7, stopper, 8, slide bar, 9, sliding sleeve, 10, bolt, 11, semiconductor refrigeration piece, 12, power, 13, mounting, 14, shell, 15, wiring mouth, 16, wire, 17, apron.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The following working principles, detailed connecting means thereof, and the following main descriptions of the working principles and processes are well known in the art, and will be referred to by those skilled in the art for the specific connection and operation sequence of the components in this application.

The first embodiment is as follows: as shown in fig. 1-4, a high voltage dc common ground isolation switch remote monitoring system comprises a base 1, a monitoring device 2 is fixedly connected to the top of the base 1, a spring 3 is mounted at the bottom of the inner wall of the monitoring device 2, a top plate 4 is fixedly connected to the top of the spring 3, when the monitoring device 2 is tilted, the circuit board 5 is buffered, the circuit board 5 is connected to the outer wall of the top plate 4 in a matched mode, a vertical rod 6 is arranged on a through hole in one side of the circuit board 5 in a clearance fit mode, a limiting block 7 is connected to the upper portion of the outer wall of the vertical rod 6 in a threaded mode, a user can detach the circuit board 5 through the limiting block 7, the bottom of the limiting block 7 is attached to the top of the circuit board 5, a semiconductor refrigerating sheet 11 is arranged on the through hole in the bottom of the monitoring device 2 in a clearance fit mode, the type of the semiconductor refrigerating sheet 11 is EC1-12730, a power source 12 is attached to the top of the semiconductor refrigerating sheet 11, and one side of the power source 12 is fixedly connected with one side of the inner wall of the monitoring device 2;

in the specific implementation process, the problem that if the heat of a power supply is too high or equipment topples over when the conventional device works, the normal work of electronic elements in the monitoring equipment is influenced, the normal use of people is influenced and limitation does not exist is solved by the cooperation of the spring 3, the top plate 4 and the circuit board 5;

further, a plurality of springs 3 are distributed at the bottom of the top plate 4 at equal intervals;

in the specific implementation process, it is worth particularly pointing out that the top plate 4 is ensured to be uniform when stressed, and the deviation is avoided;

specifically, when using this high voltage dc common ground pole isolator remote monitoring system, if the overheated condition appears in the inside power of monitoring facilities 2 because load work, the user can start semiconductor refrigeration piece 11 and dispel the heat to the power, if the device had taken place to empty simultaneously, when dropping, spring 3 can cushion circuit board 5, reduces the damage that electronic component on the circuit board 5 received.

Example two: as can be seen from fig. 1, 2 and 4, a sliding rod 8 is fixedly connected to the top of a base 1, a sliding sleeve 9 is slidably clamped on the outer wall of the sliding rod 8, the sliding sleeve 9 can move on the outer wall of the sliding rod 8, a bolt 10 is in clearance fit with a through hole on one side of the sliding sleeve 9 and a groove on one side of the sliding rod 8, the bolt 10 can be used for fixing the sliding sleeve 9, a fixing member 13 is fixedly connected to one side of the sliding sleeve 9, and the top of the fixing member 13 is attached to the bottom of a semiconductor refrigerating sheet 11;

in the specific implementation process, it is worth particularly pointing out that when a user maintains and repairs the semiconductor refrigeration piece 11, the user can pull out the bolt 10 first, and the sliding sleeve 9 moves downwards due to the loss of the external force support, and then the user can take the semiconductor refrigeration piece 11 out of the through hole at the bottom of the monitoring device 2, so that the replacement process is simple;

further, the sliding sleeve 9 and the sliding rod 8 form a sliding limiting mechanism;

in the specific implementation process, it is worth particularly pointing out that the sliding sleeve 9 and the fixing piece 13 are ensured to move vertically;

further, the top of the monitoring device 2 is fixedly connected with a shell 14 through a bolt, a plurality of wiring ports 15 are installed at the top of the monitoring device 2, wires 16 are clamped inside the wiring ports 15, one sides of the outer walls of the wires 16 are in clearance fit with the through holes of the shell 14 respectively, and the top of the shell 14 is rotatably connected with a cover plate 17 through a pin shaft;

in the specific implementation process, it is worth noting that the user can insert the lead 16 from the through hole on one side of the housing 14, then open the cover plate 17 and connect the lead 16, and the housing 14 protects the connection position of the monitoring device 2;

specifically, on the basis of above-mentioned embodiment one, the user can pull out bolt 10 earlier when carrying out maintenance and maintenance to semiconductor refrigeration piece 11, and sliding sleeve 9 at this moment is owing to lose external force and support downstream, then the user alright take off semiconductor refrigeration piece 11 from the through-hole department of monitoring facilities 2 bottoms, and the change process is simple, and the device has carried out the arrangement with the wiring department simultaneously, also is convenient for accomodate the arrangement when preventing that the dust from entering into the wiring mouth, is favorable to promoting and using.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a high voltage direct current sharing earthing pole isolator remote monitoring system, includes base (1), its characterized in that: the top rigid coupling of base (1) has monitoring facilities (2), spring (3) are installed to the inner wall bottom of monitoring facilities (2), the top rigid coupling of spring (3) has roof (4), the outer wall cooperation of roof (4) links to each other has circuit board (5), one side through-hole clearance fit of circuit board (5) has montant (6), the outer wall top screw thread of montant (6) links to each other has stopper (7), the bottom of stopper (7) is laminated with the top of circuit board (5) mutually, the bottom through-hole clearance fit of monitoring facilities (2) has semiconductor refrigeration piece (11), the top laminating of semiconductor refrigeration piece (11) has power (12), one side of power (12) and inner wall one side fixed connection of monitoring facilities (2).

2. The high voltage direct current sharing earth electrode isolator remote monitoring system of claim 1, characterized in that: a plurality of the springs (3) are distributed at the bottom of the top plate (4) at equal intervals.

3. The high voltage direct current sharing earth electrode isolator remote monitoring system of claim 1, characterized in that: the top rigid coupling of base (1) has slide bar (8), the outer wall slip joint of slide bar (8) has sliding sleeve (9), the equal clearance fit of one side through-hole of sliding sleeve (9) and one side recess of slide bar (8) has bolt (10), one side rigid coupling of sliding sleeve (9) has mounting (13), the top of mounting (13) is laminated with the bottom of semiconductor refrigeration piece (11).

4. The high voltage direct current sharing earth electrode isolator remote monitoring system of claim 3, characterized in that: the sliding sleeve (9) and the sliding rod (8) form a sliding limiting mechanism.

5. The high voltage direct current sharing earth electrode isolator remote monitoring system of claim 1, characterized in that: the top of monitoring facilities (2) has shell (14) through the bolt rigid coupling, a plurality of wiring mouth (15) are installed at the top of monitoring facilities (2), and are a plurality of the equal joint in inside of wiring mouth (15) has wire (16), and is a plurality of outer wall one side of wire (16) respectively with a plurality of through-hole clearance fit of shell (14), the top of shell (14) is linked to each other through round pin hub rotation has apron (17).

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