CN114093708A - Vertical telescopic type disconnecting link state monitoring device and disconnecting link system - Google Patents
Vertical telescopic type disconnecting link state monitoring device and disconnecting link system Download PDFInfo
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- CN114093708A CN114093708A CN202111255317.6A CN202111255317A CN114093708A CN 114093708 A CN114093708 A CN 114093708A CN 202111255317 A CN202111255317 A CN 202111255317A CN 114093708 A CN114093708 A CN 114093708A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
- H01H21/02—Details
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- H01H21/22—Operating parts, e.g. handle
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Abstract
The invention relates to a vertical telescopic type disconnecting link state monitoring device and a disconnecting link system, wherein the vertical telescopic type disconnecting link state monitoring device comprises: the monitoring and controlling box comprises a box body, and the box body is provided with an accommodating cavity; the monitoring assembly comprises at least three sensors and an alarm part, the sensors are electrically connected with the alarm part, and the sensors are used for being in induction fit with the A-phase disconnecting link, the B-phase disconnecting link and the C-phase disconnecting link respectively. Above-mentioned perpendicular concertina type switch state monitoring devices, in the installation, at first, install the control in holding the intracavity, then, with three sensor and the equal electric connection of alarm in control. The vertical telescopic type disconnecting link state monitoring device is suitable for various vertical telescopic type disconnecting link state detecting devices. Meanwhile, the closing and opening states of the disconnecting link can be automatically monitored, the occurrence probability of accidents is favorably reduced, the safety of the disconnecting link is improved, and the economic loss is favorably reduced.
Description
Technical Field
The invention relates to the technical field of high-voltage power equipment, in particular to a vertical telescopic type disconnecting link state monitoring device and a disconnecting link system.
Background
With the development of science and technology, the demand of electric power as a clean energy source is increasing. Outdoor high-voltage isolating switches, also called disconnecting switches, in an electric power system are used in large quantities, and are outdoor high-voltage equipment which is used for electrically converting a power supply high-voltage line under the condition of no current load, electrically isolating overhaul equipment from a live line and forming an obvious disconnection point. When the electrical equipment is in power failure or overhauled, the equipment needing power failure is isolated from the current by the isolating switch to form an obvious visible disconnection point so as to ensure the safety of workers and equipment.
In the traditional technology, a vertical telescopic type disconnecting link mechanism is special, a disconnecting link has a certain bending degree, the height of a moving contact and a static contact of the disconnecting link reaches more than 10 meters, and a worker on site can only judge the position relation between a moving contact and a static contact through an I/O (input/output) signboard of a disconnecting link action rod and a workstation indication and cannot reflect the actual contact degree between the moving contact and the static contact. However, in the actual operation and maintenance process, the operation is generally performed at night, a field position inspector confirms the position determination of the disconnecting link through visual inspection and operation experience accumulated for many years, the standard of the in-place closing condition of the disconnecting link is not intuitive and accurate, and once a moving contact and a fixed contact of the disconnecting link are not in place, the disconnecting link is heated and even burnt, so that the direct economic loss is avoided, and the unplanned shutdown is also caused.
Disclosure of Invention
Based on this, it is necessary to overcome the defects in the prior art, and provide a vertical telescopic type disconnecting link state monitoring device and a disconnecting link system, which can effectively monitor the switching state of the disconnecting link and reduce the probability of safety accidents.
The technical scheme is as follows: a vertically-retractable type disconnecting link state monitoring device comprises: the measurement and control box comprises a box body, and the box body is provided with an accommodating cavity; the monitoring assembly comprises at least three sensors and an alarm part, the three sensors are electrically connected with the alarm part and are respectively used for being in induction fit with the phase A disconnecting link, the phase B disconnecting link and the phase C disconnecting link, and when the phase A disconnecting link, the phase B disconnecting link and the phase C disconnecting link are located at preset positions, the disconnecting link is in a closing state; the control piece is arranged in the accommodating cavity, and the three sensors and the alarm piece are electrically connected with the control piece.
Above-mentioned perpendicular concertina type switch state monitoring devices, in the installation, at first, install the control in holding the intracavity, then, with three sensor and the equal electric connection of alarm in control. In the using process, firstly, the measurement and control box is arranged at a proper position near the detected disconnecting link; then, the positions of the sensors are adjusted, so that the three sensors are respectively matched with the phase A disconnecting link, the phase B disconnecting link and the phase C disconnecting link in an induction mode. When the disconnecting link is opened, the disconnecting link A, the disconnecting link B and the disconnecting link C are disengaged from the three sensors, the disconnecting link is in an opening state preset by the control piece, then the disconnecting link is closed after the working personnel finish working, when the three sensors detect that the disconnecting link A, the disconnecting link B and the disconnecting link C are all located at preset positions, the disconnecting link is displayed to be in a closing state at the moment, if the three sensors detect that one phase of the disconnecting link is not located at the preset position, the control piece judges that the disconnecting link is in an opening state, the alarm piece gives an alarm at the moment, and the working personnel carry out disconnecting link closing operation again until the disconnecting link is in the closing state. The vertical telescopic type disconnecting link state monitoring device is convenient to install, does not need to transform the original disconnecting link, and is suitable for various vertical telescopic type disconnecting link state detecting devices. Meanwhile, the closing and opening state of the disconnecting link can be automatically monitored, the occurrence probability of safety accidents caused by the fact that the disconnecting link is not closed in place is favorably reduced, the safety of the disconnecting link is improved, and economic loss is favorably reduced.
In one embodiment, the monitoring assembly further comprises movable connecting pieces, all the sensors are rotatably connected with the box body through at least three movable connecting pieces, and the sensors and the movable connecting pieces are arranged in a one-to-one correspondence manner.
In one embodiment, the movable connecting piece comprises a connecting rod and a hinge joint, the connecting rod is connected with the box body, and the sensor is hinged with the connecting rod through the hinge joint.
In one embodiment, the sensor is a distance sensor, the distance sensor is used for detecting the distance of a closing point of the disconnecting link, and the disconnecting link A, the disconnecting link B and the disconnecting link C are in shielding fit with the distance sensor when being closed.
In one embodiment, the alarm comprises a display screen, and the display screen is used for displaying the closing state and the opening state of the disconnecting link.
In one embodiment, the measurement and control box further comprises a base, and the base is connected with the box body.
In one embodiment, the vertically-retractable type disconnecting link state monitoring device further comprises a solar electric panel, and the solar electric panel is electrically connected with the control element.
In one embodiment, the measurement and control box further comprises a top cover, the top cover is rotatably connected with the box body, and the top cover is arranged on the box body in an openable mode.
In one embodiment, the measurement and control box further comprises a box door, and the box door is connected to the box body in an openable mode.
A knife switch system comprises a knife switch and the vertically telescopic knife switch state monitoring device.
In the installation process, firstly, the control part is installed in the accommodating cavity, and then, the three sensors and the alarm part are electrically connected to the control part. In the using process, firstly, the measurement and control box is arranged at a proper position near the detected disconnecting link; then, the positions of the sensors are adjusted, so that the three sensors are respectively matched with the phase A disconnecting link, the phase B disconnecting link and the phase C disconnecting link in an induction mode. When the disconnecting link is opened, the disconnecting link A, the disconnecting link B and the disconnecting link C are disengaged from the three sensors, the disconnecting link is in an opening state preset by the control piece, then the disconnecting link is closed after the working personnel finish working, when the three sensors detect that the disconnecting link A, the disconnecting link B and the disconnecting link C are all located at preset positions, the disconnecting link is displayed to be in a closing state at the moment, if the three sensors detect that one phase of the disconnecting link is not located at the preset position, the control piece judges that the disconnecting link is in an opening state, the alarm piece gives an alarm at the moment, and the working personnel carry out disconnecting link closing operation again until the disconnecting link is in the closing state. The vertical telescopic type disconnecting link state monitoring device is convenient to install, does not need to transform the original disconnecting link, and is suitable for various vertical telescopic type disconnecting link state detecting devices. Meanwhile, the closing and opening state of the disconnecting link can be automatically monitored, the occurrence probability of safety accidents caused by the fact that the disconnecting link is not closed in place is favorably reduced, the safety of the disconnecting link is improved, and economic loss is favorably reduced.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic view of an internal structure of a vertically retractable knife switch state monitoring device according to an embodiment;
FIG. 2 is an enlarged partial view taken at circle A in FIG. 1;
fig. 3 is a schematic structural diagram of the vertically retractable knife switch state monitoring device in an embodiment.
Description of reference numerals:
100. a vertically telescopic type disconnecting link state monitoring device; 110. a measurement and control box; 111. a box body; 112. an accommodating chamber; 113. a base; 114. a top cover; 115. a box door; 116. a lifting rod; 120. a monitoring component; 121. a sensor; 122. an alarm member; 123. a movable connecting piece; 1231. a connecting rod; 1232. a hinge joint; 130. a solar panel; 131. rotating the rod.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
In an embodiment, referring to fig. 1, fig. 2 and fig. 3, an embodiment of the invention provides a vertically-retractable type disconnecting link status monitoring device 100, including: a measurement and control box 110, a monitoring component 120 and control components. The measurement and control box 110 includes a box body 111, and the box body 111 is provided with a containing cavity 112. The monitoring component 120 comprises at least three sensors 121 and an alarm piece 122, the three sensors 121 are electrically connected with the alarm piece 122, and the three sensors 121 are respectively used for being in induction fit with the A-phase disconnecting link, the B-phase disconnecting link and the C-phase disconnecting link. And when the A-phase disconnecting link, the B-phase disconnecting link and the C-phase disconnecting link are all positioned at the preset positions, the disconnecting links are in a closing state. The control element is disposed in the accommodating cavity 112, and the three sensors 121 and the alarm element 122 are electrically connected to the control element.
In the installation process of the vertical telescopic disconnecting link state monitoring device 100, firstly, the control part is installed in the accommodating cavity 112, and then, the three sensors 121 and the alarm part 122 are electrically connected to the control part. In the use process, firstly, the measurement and control box 110 is installed at a proper position near the detected disconnecting link; then, the positions of the sensors 121 are adjusted so that the three sensors 121 are respectively in induction fit with the phase a knife switch, the phase B knife switch and the phase C knife switch. When the disconnecting link is opened, the disconnecting link of the phase A, the disconnecting link of the phase B and the disconnecting link of the phase C are disengaged from the three sensors 121, the disconnecting link is in an opening state preset by the control piece, then the disconnecting link is closed after the worker finishes working, when the three sensors 121 detect that the disconnecting link of the phase A, the disconnecting link of the phase B and the disconnecting link of the phase C are all located at preset positions, the disconnecting link is displayed to be in a closing state at the moment, if the three sensors 121 detect that one phase of the disconnecting link is not located at the preset position, the control piece judges to be in a disconnecting state, the alarm piece 122 gives an alarm at the moment, and the worker carries out the operation of closing the disconnecting link again until the disconnecting link is located in the closing state. The vertical telescopic type disconnecting link state monitoring device 100 is convenient to install, does not need to transform the original disconnecting link, and is suitable for various vertical telescopic type disconnecting link state detection devices. Meanwhile, the closing and opening state of the disconnecting link can be automatically monitored, the occurrence probability of safety accidents caused by the fact that the disconnecting link is not closed in place is favorably reduced, the safety of the disconnecting link is improved, and economic loss is favorably reduced.
The three sensors 121 are respectively used for being in induction fit with the a-phase disconnecting link, the B-phase disconnecting link and the C-phase disconnecting link, and it should be understood that the three sensors 121 respectively correspond to the a-phase disconnecting link, the B-phase disconnecting link and the C-phase disconnecting link, and the three sensors 121 are in induction fit with the three-phase disconnecting link, and the fit mode may be direct contact fit or non-contact fit.
In one embodiment, referring to fig. 2, the monitoring assembly 120 further includes movable connectors 123, all the sensors 121 are rotatably connected to the box 111 through at least three movable connectors 123, and the sensors 121 and the connectors 123 are disposed in a one-to-one correspondence. So, through the connection of swing joint 123, the angle and the regulation of height of sensor 121 of being convenient for, and then under different mounted position, can both satisfy the response cooperation of sensor 121 and three-phase switch, improve perpendicular concertina type switch state monitoring device 100's use flexibility.
Alternatively, the movable connection 123 may be a shaft, a bearing, a joint 1232, or other movable connection device.
Specifically, referring to fig. 2, the movable connecting member 123 includes a connecting rod 1231 and a hinge 1232, the connecting rod 1231 is connected to the box 111, and the sensor 121 is hinged to the connecting rod 1231 through the hinge 1232. Thus, the angle of the sensor 121 can be conveniently adjusted within the rotation range of the hinge 1232 by the sensor 121, so that the use quality and reliability of the sensor 121 are improved, and the use flexibility of the vertical telescopic disconnecting link state monitoring device 100 is improved. The present embodiment provides only one specific embodiment of the movable connecting member 123, but is not limited thereto.
Alternatively, the sensor 121 may be a distance sensor 121, a pressure sensor 121, a displacement sensor 121, or other sensing device.
In one embodiment, referring to fig. 2, the sensor 121 is a distance sensor 121, the distance sensor 121 is used for detecting a distance between closing points of the knife switch, and the knife switch of the phase a, the knife switch of the phase B, and the knife switch of the phase C are in shielding fit with the distance sensor 121 when being closed. Specifically, the distance sensor 121 is a laser ranging sensor 121. So, set up distance sensor 121 and be inductive position to switch closing point, when the switch closure, can shelter from laser, then think that the switch closing is in place this moment, otherwise the switch closing is not in place, alarm 122 reports to the police, operating personnel carries out the deciliter once more to the switch immediately, all targets in place until three switch, so can carry out automatic monitoring before the switch cocurrent, avoid putting into operation the back because of the switch closing not in place leads to the incident of power failure processing to take place, improve the security and the reliability of operation.
Alternatively, the control member may be a single chip, FPGA, PLC, PC or other control device.
Specifically, the control member is a PLC. Therefore, the control piece is simple to use and high in reliability, and the use reliability and the working stability of the control piece are improved. The present embodiment provides only a specific implementation of the control member, but not limited thereto.
Alternatively, the alarm 122 may be a warning light, display screen, siren, or other alarm device.
In one embodiment, referring to fig. 1 and 3, the alarm 122 includes a display screen for displaying the closing state and the opening state of the knife switch. Therefore, through the display effect of the display screen, the opening and closing state of the disconnecting link can be visually identified, if the opening and closing state is distinguished by using colors, characters, sounds and the like, the warning effect of the warning piece 122 is improved, and then the overall quality and the use experience of the vertical telescopic disconnecting link state monitoring device 100 are improved.
Further, the alarm 122 may also include a siren. When the switch is in the state of opening, the alarm whistle reports to the police, and then is favorable to improving the warning effect of warning piece 122, improves the whole quality and the use experience of perpendicular concertina type switch state monitoring device 100.
In one embodiment, referring to fig. 1 and 2, the measurement and control box 110 further includes a base 113, and the base 113 is connected to the box 111. Therefore, the structural stability of the measurement and control box 110 is improved, and the installation convenience and the use reliability of the measurement and control box 110 are further improved.
Alternatively, the base 113 and the box 111 may be connected by welding, plugging, screwing, bolting, pinning, bonding, or other connection methods. Alternatively, the base 113 and the case 111 are indirectly connected through an intermediate connection member.
Specifically, referring to fig. 1 and 3, the base 113 is connected to the box 111 by bolts via the lifting rod 116. So, can adjust the height of box 111 through lifter 116, and then conveniently adjust sensor 121's height, simultaneously, bolted connection's mode is favorable to increaseing the dismouting convenience of box 111 and connecting rod 1231, can also guarantee connection stability, and then is favorable to improving the whole quality and the use experience of perpendicular concertina type switch state monitoring device 100. The present embodiment provides only one connection way between the base 113 and the box 111, but not limited thereto.
In one embodiment, referring to fig. 1 and 3, the vertically retractable knife switch status monitoring device 100 further includes a solar panel 130, and the solar panel 130 is electrically connected to the control component. Therefore, through the current collection effect of the solar panel 130, solar energy can be converted into electric energy to supply power to the vertical telescopic type disconnecting link state monitoring device 100, so that the normal use of electrical elements is ensured, additional electricity connection is not needed, the installation and the use are convenient, and the use reliability and the use quality of the vertical telescopic type disconnecting link state monitoring device 100 are improved.
Further, referring to fig. 1 and 3, the vertically telescopic disconnecting link state monitoring device 100 further includes a rotating rod 131, and the solar panel 130 is rotatably connected to the box 111 through the rotating rod 131. Thus, the installation angle of the solar panel 130 can be adjusted through the rotation of the rotation rod 131, and then the installation position of the vertical telescopic type disconnecting link state monitoring device 100 adjusts the placing angle of the solar panel 130, so that the illumination area and the illumination intensity of the sun to the solar panel 130 are improved, and the use efficiency and the power supply effect of the solar panel 130 are improved.
In an embodiment, referring to fig. 1 and 3, the measurement and control box 110 further includes a top cover 114, the top cover 114 is rotatably connected to the box body 111, and the top cover 114 is openably disposed on the box body 111. Specifically, the top cover 114 is a transparent piece. Thus, the top cover 114 can protect the sensor 121 in the measurement and control box 110, is rainproof and dustproof, and is beneficial to prolonging the service life of the sensor 121, so that the use reliability and the use quality of the vertical telescopic disconnecting link state monitoring device 100 are improved.
Alternatively, the top cover 114 may be hinged, snap-fit, bayonet, pivot-pin, or other connection.
Specifically, referring to fig. 1 and 3, the top cover 114 is hinged to the box 111. Therefore, the opening and closing operation is convenient, and the use reliability and the use quality of the vertical telescopic disconnecting link state monitoring device 100 are improved. The present embodiment provides only one arrangement of the top cover 114 and the box 111, but not limited thereto.
Further, referring to fig. 1 and fig. 3, two flow guiding surfaces are disposed on the top cover 114, and the two flow guiding surfaces are disposed in an intersecting manner. Thus, the diversion surface can conduct rainwater, so as to prevent water from accumulating on the top cover 114, thereby improving the use quality of the vertical telescopic disconnecting link state monitoring device 100.
In one embodiment, referring to fig. 1 and 3, the measurement and control box 110 further includes a box door 115, and the box door 115 is openably connected to the box body 111. Thus, the door 115 that can be opened is provided, which facilitates the assembly and maintenance of the vertical telescopic disconnecting link state monitoring device 100, and further improves the convenience of use of the vertical telescopic disconnecting link state monitoring device 100.
In one embodiment, a knife switch system (not shown) includes a knife switch and a vertically retractable knife switch status monitoring device 100 as described above.
In the installation process, the control member is first installed in the accommodating cavity 112, and then, the three sensors 121 and the alarm member 122 are electrically connected to the control member. In the use process, firstly, the measurement and control box 110 is installed at a proper position near the detected disconnecting link; then, the positions of the sensors 121 are adjusted so that the three sensors 121 are respectively in induction fit with the phase a knife switch, the phase B knife switch and the phase C knife switch. When the disconnecting link is opened, the disconnecting link of the phase A, the disconnecting link of the phase B and the disconnecting link of the phase C are disengaged from the three sensors 121, the disconnecting link is in an opening state preset by the control piece, then the disconnecting link is closed after the worker finishes working, when the three sensors 121 detect that the disconnecting link of the phase A, the disconnecting link of the phase B and the disconnecting link of the phase C are all located at preset positions, the disconnecting link is displayed to be in a closing state at the moment, if the three sensors 121 detect that one phase of the disconnecting link is not located at the preset position, the control piece judges to be in a disconnecting state, the alarm piece 122 gives an alarm at the moment, and the worker carries out the operation of closing the disconnecting link again until the disconnecting link is located in the closing state. The vertical telescopic type disconnecting link state monitoring device 100 is convenient to install, does not need to transform the original disconnecting link, and is suitable for various vertical telescopic type disconnecting link state detection devices. Meanwhile, the closing and opening state of the disconnecting link can be automatically monitored, the occurrence probability of safety accidents caused by the fact that the disconnecting link is not closed in place is favorably reduced, the safety of the disconnecting link is improved, and economic loss is favorably reduced.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The utility model provides a perpendicular concertina type switch state monitoring devices which characterized in that, perpendicular concertina type switch state monitoring devices includes:
the measurement and control box comprises a box body, and the box body is provided with an accommodating cavity;
the monitoring assembly comprises at least three sensors and an alarm part, the three sensors are electrically connected with the alarm part and are respectively used for being in induction fit with the phase A disconnecting link, the phase B disconnecting link and the phase C disconnecting link, and when the phase A disconnecting link, the phase B disconnecting link and the phase C disconnecting link are located at preset positions, the disconnecting link is in a closing state;
the control piece is arranged in the accommodating cavity, and the three sensors and the alarm piece are electrically connected with the control piece.
2. The vertically telescoping knife switch state monitoring device of claim 1, wherein the monitoring assembly further comprises movable connectors, all the sensors are rotatably connected with the box body through at least three movable connectors, and the sensors and the movable connectors are arranged in a one-to-one correspondence.
3. The vertically telescoping knife switch status monitoring device of claim 2, wherein the movable connector comprises a connecting rod and a hinge joint, the connecting rod is connected with the box body, and the sensor is hinged with the connecting rod through the hinge joint.
4. The vertically telescopic disconnecting link state monitoring device according to claim 2, wherein the sensor is a distance sensor, and the distance sensor is used for detecting a distance of a closing point of the disconnecting link, and is in shielding fit with the distance sensor when the disconnecting link of phase a, the disconnecting link of phase B and the disconnecting link of phase C are closed.
5. The vertically telescopic type disconnecting link state monitoring device according to claim 1, wherein the alarm includes a display screen for displaying a closing state and an opening state of the disconnecting link.
6. The vertically retractable knife switch status monitoring device as claimed in claim 1, wherein the measuring and controlling box further comprises a base, and the base is connected with the box body.
7. The vertically telescoping knife gate status monitoring device as in claim 1, further comprising a solar panel electrically connected to the control member.
8. The vertically retractable knife switch status monitoring device as claimed in any one of claims 1 to 7, wherein the monitoring box further comprises a top cover, the top cover is rotatably connected with the box body, and the top cover is arranged on the box body in an openable manner.
9. The vertically retractable knife switch status monitoring device as claimed in any one of claims 1 to 7, wherein the monitoring box further comprises a box door, and the box door is openably connected to the box body.
10. A knife switch system, characterized in that the knife switch system comprises a knife switch and the vertically telescopic knife switch state monitoring device of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111255317.6A CN114093708A (en) | 2021-10-27 | 2021-10-27 | Vertical telescopic type disconnecting link state monitoring device and disconnecting link system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111255317.6A CN114093708A (en) | 2021-10-27 | 2021-10-27 | Vertical telescopic type disconnecting link state monitoring device and disconnecting link system |
Publications (1)
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201293694Y (en) * | 2008-11-12 | 2009-08-19 | 河南平高电气股份有限公司 | Three-phase ganged test device for high voltage isolating switch |
| CN102426336A (en) * | 2011-10-10 | 2012-04-25 | 上海理工大学 | On-line monitoring device of operating state of mining high-voltage distribution isolating switch |
| CN204376211U (en) * | 2015-02-10 | 2015-06-03 | 胡俊兵 | A kind of high-tension switch cabinet smart grounding disconnecting link |
| CN105305286A (en) * | 2015-10-28 | 2016-02-03 | 国网山东郯城县供电公司 | Reclose forced interlocking device with dual protection and operation method thereof |
| CN205609386U (en) * | 2016-05-25 | 2016-09-28 | 中国南方电网有限责任公司超高压输电公司贵阳局 | Transmission line ground wire ice -melt district section ground wire earthing knife -switch state monitoring system |
| CN106783338A (en) * | 2016-12-26 | 2017-05-31 | 宁夏软件工程院有限公司 | Can intelligent monitoring disconnecting link |
| CN109638685A (en) * | 2018-11-16 | 2019-04-16 | 湖北上科电气有限公司 | Disconnecting switch on-Line Monitor Device in a kind of fixed high-voltage switch cubicle |
| CN112539930A (en) * | 2020-12-07 | 2021-03-23 | 中国长江电力股份有限公司 | GIS/GCB circuit breaker three-phase opening and closing state monitoring device and using method |
| CN113189480A (en) * | 2021-04-22 | 2021-07-30 | 西安交通大学 | Fault diagnosis method and device in closing/opening process of isolating switch |
| CN113300456A (en) * | 2021-04-16 | 2021-08-24 | 中国南方电网有限责任公司超高压输电公司南宁局 | Disconnecting link control device of transformer substation, disconnecting link equipment and transformer substation |
-
2021
- 2021-10-27 CN CN202111255317.6A patent/CN114093708A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201293694Y (en) * | 2008-11-12 | 2009-08-19 | 河南平高电气股份有限公司 | Three-phase ganged test device for high voltage isolating switch |
| CN102426336A (en) * | 2011-10-10 | 2012-04-25 | 上海理工大学 | On-line monitoring device of operating state of mining high-voltage distribution isolating switch |
| CN204376211U (en) * | 2015-02-10 | 2015-06-03 | 胡俊兵 | A kind of high-tension switch cabinet smart grounding disconnecting link |
| CN105305286A (en) * | 2015-10-28 | 2016-02-03 | 国网山东郯城县供电公司 | Reclose forced interlocking device with dual protection and operation method thereof |
| CN205609386U (en) * | 2016-05-25 | 2016-09-28 | 中国南方电网有限责任公司超高压输电公司贵阳局 | Transmission line ground wire ice -melt district section ground wire earthing knife -switch state monitoring system |
| CN106783338A (en) * | 2016-12-26 | 2017-05-31 | 宁夏软件工程院有限公司 | Can intelligent monitoring disconnecting link |
| CN109638685A (en) * | 2018-11-16 | 2019-04-16 | 湖北上科电气有限公司 | Disconnecting switch on-Line Monitor Device in a kind of fixed high-voltage switch cubicle |
| CN112539930A (en) * | 2020-12-07 | 2021-03-23 | 中国长江电力股份有限公司 | GIS/GCB circuit breaker three-phase opening and closing state monitoring device and using method |
| CN113300456A (en) * | 2021-04-16 | 2021-08-24 | 中国南方电网有限责任公司超高压输电公司南宁局 | Disconnecting link control device of transformer substation, disconnecting link equipment and transformer substation |
| CN113189480A (en) * | 2021-04-22 | 2021-07-30 | 西安交通大学 | Fault diagnosis method and device in closing/opening process of isolating switch |
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