CN114121542A - Isolation switch state indicating device - Google Patents
Isolation switch state indicating device Download PDFInfo
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- CN114121542A CN114121542A CN202111476019.XA CN202111476019A CN114121542A CN 114121542 A CN114121542 A CN 114121542A CN 202111476019 A CN202111476019 A CN 202111476019A CN 114121542 A CN114121542 A CN 114121542A
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- indicator
- disconnecting link
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- 238000002955 isolation Methods 0.000 title description 2
- 230000005540 biological transmission Effects 0.000 claims description 27
- 238000001514 detection method Methods 0.000 description 6
- 230000001360 synchronised effect Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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Classifications
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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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/16—Indicators for switching condition, e.g. "on" or "off"
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/16—Indicators for switching condition, e.g. "on" or "off"
- H01H9/161—Indicators for switching condition, e.g. "on" or "off" comprising light emitting elements
Abstract
The invention relates to a state indicating device of an isolating switch, which comprises: the box body is provided with an accommodating cavity; one end of the rotating assembly is rotatably connected with the box body, and the other end of the rotating assembly is used for being connected with the disconnecting link device; the indicating assembly is arranged in the accommodating cavity, the rotating assembly extends into the accommodating cavity to be connected with the indicating assembly and drives the indicating assembly to rotate synchronously, and the indicating assembly is provided with a state indicating mark which is used for indicating the state of the disconnecting link; and the display component is arranged on the box body and is used for displaying the state of the disconnecting link. According to the disconnecting switch state indicating device, the rotating assembly is connected with the disconnecting switch equipment, the rotating assembly is driven to rotate when the disconnecting switch is switched on, switched off or grounded, the rotating assembly drives the indicating assembly to rotate synchronously, when the rotating assembly rotates by a certain angle, the indicating assembly correspondingly indicates the disconnecting switch state and displays the disconnecting switch state through the display assembly, and the disconnecting switch state indicating device can visually and accurately indicate the disconnecting switch state of the disconnecting switch, and is simple in structure, easy to install and low in cost.
Description
Technical Field
The invention relates to the technical field of substation disconnecting switch equipment, in particular to a disconnecting switch state indicating device.
Background
The isolating switch is an important power device, and when the isolating switch operates normally, the isolating switch needs to bear load current, and if the isolating switch is not closed in place and the grounding of the grounding knife switch is poor, potential safety hazards can be caused.
The three-station isolating switch integrates the isolating switch and the grounding disconnecting link, the isolating switch is switched on and grounded through one knife, and the three working positions are a switching-on position where a main fracture of the isolating switch is switched on, an isolating position where the main fracture is separated and a grounding position on a grounding side. Compared with a traditional GIS (Gas Insulated switchgear), the three-position isolating switch avoids various possible misoperation between the conventional isolating switch and the grounding switch, but due to the sealing property of the HGIS, whether the isolating switch is in place or not can not be judged by a traditional fracture observation method, the state of the disconnecting switch is read by indirectly indicating through making some marks on a mechanism box, and the defect of incomplete indication exists in the marking mode, such as the condition that the disconnecting switch is in place but is actually not in place.
Disclosure of Invention
Therefore, it is necessary to provide a disconnecting switch state indicating device which has a simple structure and can accurately indicate the state of the disconnecting switch, aiming at the problem that the disconnecting switch position indication is not true.
A disconnector state indication device, comprising:
the box body is provided with an accommodating cavity;
one end of the rotating assembly is rotatably connected with the box body, and the other end of the rotating assembly is used for being connected with the disconnecting link device;
the indicating assembly is arranged in the accommodating cavity, the rotating assembly extends into the accommodating cavity to be connected with the indicating assembly and drives the indicating assembly to rotate synchronously, and the indicating assembly is provided with a state indicating mark which is used for indicating the state of the disconnecting link;
and the display component is arranged on the box body and is used for displaying the state of the disconnecting link.
In one embodiment, the box body is provided with a state observation window, and the state observation window is used for reading the state indicator to display the state of the disconnecting link.
In one embodiment, the indicating component comprises a status indicating disc, a first indicator, a second indicator, a third indicator and a fourth indicator are arranged on the status indicating disc, the disconnecting link status comprises a disconnecting link grounding status, a disconnecting link disconnecting status, a disconnecting link combining status and a disconnecting link non-grounding status, the first indicator is used for indicating the disconnecting link grounding status, the second indicator is used for indicating the disconnecting link disconnecting status, the third indicator is used for indicating the disconnecting link combining status, and the fourth indicator is used for indicating the disconnecting link non-grounding status.
In one embodiment, the rotating assembly comprises a rotating shaft, a first connecting assembly and a second connecting assembly, the rotating shaft is connected with the disconnecting link device through the first connecting assembly, and the rotating shaft is rotatably connected with the box body through the second connecting assembly.
In one embodiment, the first connecting assembly comprises an adsorbing piece, the adsorbing piece is fixed at one end of the rotating shaft, which is far away from the box body, and the adsorbing piece is used for adsorbing a transmission shaft of the disconnecting link device and synchronously rotating along with the transmission shaft of the disconnecting link device.
In one embodiment, the adsorption piece is a magnetic piece, the magnetic piece is adsorbed to a transmission shaft of the disconnecting link device and has the same diameter with the transmission shaft of the disconnecting link device, and the magnetic piece rotates synchronously with the transmission shaft of the disconnecting link device.
In one embodiment, the second connecting assembly includes a bearing, and the rotating shaft is connected with the box body through the bearing.
In one embodiment, the device further comprises a detection piece, a controller and a fault indicator, wherein the detection piece is arranged on the rotating shaft and used for detecting the rotation angle measurement of the rotating shaft, the controller is electrically connected with the detection piece and used for generating a fault indication signal according to the rotation angle measurement, and the fault indicator is electrically connected with the controller and used for displaying the fault indication signal.
In one embodiment, the second connecting assembly further comprises a coupler, the detecting piece is connected with the rotating shaft through the coupler, and the indicating assembly is fixedly connected with the detecting piece.
In one embodiment, the fault indicator lamp comprises a first indicator lamp and a second indicator lamp, the fault indicator signal comprises a safety signal and a fault signal, the controller is electrically connected with the first indicator lamp and the second indicator lamp, the first indicator lamp is used for displaying the safety signal, and the second indicator lamp is used for indicating the fault signal.
Above-mentioned isolator state indicating device, the runner assembly is connected with the switch equipment, the switch-on of switch, during separating brake or ground connection, drive the runner assembly and rotate, the runner assembly stretches into in the holding cavity of box and is connected with the instruction subassembly, it rotates to drive the synchronous of instruction subassembly, the instruction subassembly is equipped with the status indicator, certain angle has been rotated when the runner assembly, the status indicator can correspond and instruct the switch state, and show the switch state through the display module on the box, above-mentioned isolator state indicating device can be directly perceived, accurately instruct isolator's switch state, moreover, the steam generator is simple in structure, easy installation, and low cost.
Drawings
FIG. 1 is a schematic structural diagram of a status indicating device of a disconnecting switch;
fig. 2 is a schematic view of an indication panel of the status indication device of the disconnecting switch.
Description of reference numerals:
10. a rotating shaft; 20. a box body; 30. a detection member; 40. a status indicator panel; 50. a fault indicator light;
60. a first connection assembly; 70. a second connection assembly; 80. a controller;
21. a state observation window;
41. a first indicator; 42. a second indicator; 43. a third indicator; 44. a fourth indicator;
51. a first indicator light; 52. a second indicator light;
61. an adsorbing member; 62. a connecting bolt;
71. a coupling; 72. and a bearing.
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.
Referring to fig. 1, fig. 1 shows a schematic structural diagram of a disconnecting switch state indicating device in an embodiment of the present invention, and an embodiment of the present invention provides a disconnecting switch state indicating device, including: the box body 20, the box body 20 has accommodating cavities; one end of the rotating component is rotatably connected with the box body 20, and the other end of the rotating component is used for being connected with the disconnecting link device; the indicating assembly is arranged in the accommodating cavity, the rotating assembly extends into the accommodating cavity to be connected with the indicating assembly and drives the indicating assembly to rotate synchronously, and the indicating assembly is provided with a state indicating mark which is used for indicating the state of the disconnecting link; and the display component is arranged on the box body 20 and is used for displaying the state of the disconnecting link. Above-mentioned isolator state indicating device, the runner assembly is connected with the switch equipment, the switch-on of switch, during separating brake or ground connection, drive the runner assembly and rotate, the runner assembly stretches into in the holding cavity of box 20 and is connected with the instruction subassembly, it rotates to drive the synchronous of instruction subassembly, the instruction subassembly is equipped with the status indicator, certain angle has been rotated when the runner assembly, the status indicator can correspond and instruct the switch state, and show the switch state through the display module on the box 20, above-mentioned isolator state indicating device can be directly perceived, accurately instruct isolator's switch state, moreover, the steam generator is simple in structure, easy installation, and low cost.
Referring to fig. 2, fig. 2 is a schematic structural diagram of an indication panel of the disconnecting switch state indication device in an embodiment of the present invention, in one embodiment, a state observation window 21 is formed on a box 20, and the state observation window 21 is used for reading a state indicator to display a disconnecting link state. When the state of the disconnecting switch changes, the rotating assembly connected with the disconnecting switch equipment rotates and drives the indicating assembly to rotate synchronously, when the disconnecting switch stops acting, the state indicator of the indicating assembly is opposite to the state observation window 21 of the display assembly, and the state of the disconnecting switch can be read visually through the state observation window 21 of the display assembly.
Preferably, in one embodiment, the indicating assembly includes a status indicating dial 40, a first indicator 41, a second indicator 42, a third indicator 43 and a fourth indicator 44 are disposed on the status indicating dial 40, the knife-switch status includes a knife-switch grounding status, a knife-switch disconnecting status, a knife-switch merging status and a knife-switch non-grounding status, the first indicator 41 is used for indicating the knife-switch grounding status, the second indicator 42 is used for indicating the knife-switch disconnecting status, the third indicator 43 is used for indicating the knife-switch merging status, and the fourth indicator 44 is used for indicating the knife-switch non-grounding status. When the disconnecting link of the disconnecting switch is grounded, the rotating assembly connected with the disconnecting link equipment rotates and drives the indicating assembly to synchronously rotate, the first indicator 41 of the state indicating disc 40 of the indicating assembly is opposite to the state observation window 21 of the display assembly, and the first indicator 41 can be read out through the state observation window 21 of the display assembly so as to know the grounding state of the disconnecting link; when the disconnecting link of the disconnecting switch is separated, the rotating component connected with the disconnecting link equipment rotates and drives the indicating component to synchronously rotate, the second indicating mark 42 on the state indicating disc 40 of the indicating component is opposite to the state observation window 21 of the display component, and the second indicating mark 42 can be read out through the state observation window 21 of the display component so as to know the disconnecting link separating state; when the disconnecting link of the disconnecting switch is combined, the rotating assembly connected with the disconnecting link device rotates and drives the indicating assembly to synchronously rotate, the third indicator mark 43 on the state indicating disc 40 of the indicating assembly is opposite to the state observation window 21 of the display assembly, the third indicator mark 43 can be read out through the state observation window 21 of the display assembly, and the closing state of the disconnecting link is further known; when the disconnecting link of the disconnecting switch is not grounded, the rotating component connected with the disconnecting link equipment rotates and drives the indicating component to synchronously rotate, the fourth indicator 44 of the state indicating disc 40 of the indicating component is opposite to the state observing window 21 of the display component, and the fourth indicator 44 can be read out through the state observing window 21 of the display component, so that the ungrounded state of the disconnecting link is known. The three-station disconnecting switch completes the opening and closing and grounding of the disconnecting switch through one knife, and the disconnecting switch only performs one action at the same time, so that various possible misoperation between the disconnecting switch and the grounding switch is avoided.
Alternatively, the first indicator 41 displays the character "ground cut", the second indicator 42 displays the character "knife cut", the third indicator 43 displays the character "knife cut", and the fourth indicator 44 displays the character "ground cut". When the state of the disconnecting switch changes, the rotating assembly connected with the disconnecting switch equipment rotates and drives the indicating assembly to rotate synchronously, when the disconnecting switch stops acting, the state indicator of the indicating assembly is opposite to the state observation window 21 of the display assembly, and the state of the disconnecting switch can be read visually through the state observation window 21 of the display assembly.
In this embodiment, the rotating assembly includes a rotating shaft 10, a first connecting assembly 60 and a second connecting assembly 70, the rotating shaft 10 is connected to the disconnecting link device through the first connecting assembly 60, and the rotating shaft 10 is rotatably connected to the box 20 through the second connecting assembly 70. When the state of the disconnecting switch changes, the rotating shaft 10 connected with the disconnecting switch equipment through the first connecting component 60 rotates, the rotating shaft 10 rotates relative to the box body 20, and drives the indicating component to synchronously rotate, so that the transmission from the disconnecting switch equipment to the state indicating device of the disconnecting switch is realized.
Optionally, in one embodiment, the first connecting assembly 60 includes an adsorbing member 61, the adsorbing member 61 is fixed on an end of the rotating shaft 10 far away from the box 20, and the adsorbing member 61 is configured to adsorb the transmission shaft of the disconnecting link device and rotate synchronously with the transmission shaft of the disconnecting link device. When isolator's switch state changes, adsorb piece 61 and adsorb in the transmission shaft of switch equipment to do synchronous rotation along with the transmission shaft of switch equipment, adsorb piece 61 and drive pivot 10 synchronous rotation, pivot 10 drives the synchronous rotation of indicating subassembly, realize the transmission from switch equipment to above-mentioned isolator state indicating device, adopt and adsorb piece 61, saved other spare parts that installation pivot 10 needs, the overall structure volume has been reduced, easily pivot 10 is connected the assembly with the transmission shaft of switch equipment, and easy operation.
Further, the suction member 61 is fixed to an end of the rotating shaft 10 far from the box 20 by a connecting bolt 62, so that transmission from the disconnecting link device to the rotating shaft 10 is realized, and the rotating shaft 10 can synchronously rotate along with a transmission shaft of the disconnecting link device.
Further, in one embodiment, the attracting element 61 is a magnetic element, the magnetic element is attracted to the transmission shaft of the knife-switch device and has the same diameter with the transmission shaft of the knife-switch device, and the magnetic element rotates synchronously with the transmission shaft of the knife-switch device. When the disconnecting link state of the disconnecting link changes, the magnetic piece is adsorbed on the transmission shaft of the disconnecting link device and synchronously rotates along with the transmission shaft of the disconnecting link device, the magnetic piece drives the rotating shaft 10 to synchronously rotate, the rotating shaft 10 drives the indicating component to synchronously rotate, and the transmission from the disconnecting link device to the disconnecting link state indicating device is realized.
Optionally, in one embodiment, the second connecting assembly 70 includes a bearing 72, and the rotating shaft 10 and the box 20 are connected through the bearing 72. When the state of the disconnecting switch changes, the rotating shaft 10 connected with the disconnecting switch device through the first connecting component 60 rotates, the rotating shaft 10 rotates relative to the box body 20 through the bearing 72, and drives the indicating component to synchronously rotate, so that the transmission from the disconnecting switch device to the state indicating device of the disconnecting switch is realized.
Preferably, in this embodiment, the detecting device further includes a detecting element 30, a controller 80 and a fault indicating lamp 50, the detecting element 30 is disposed on the rotating shaft 10, the detecting element 30 is used for detecting a rotation angle amount of the rotating shaft 10, the controller 80 is electrically connected to the detecting element 30 and is used for generating a fault indicating signal according to the rotation angle amount, and the fault indicating lamp 50 is electrically connected to the controller 80 and is used for displaying the fault indicating signal. When the state of the disconnecting link of the disconnecting switch changes, the rotating shaft 10 connected with the disconnecting link equipment through the first connecting component 60 rotates, the rotating shaft 10 rotates relative to the box body 20 and drives the indicating component and the detecting component 30 to synchronously rotate, when the disconnecting link stops moving, the state indicator of the indicating component is opposite to the state observation window 21 of the display component, and the state of the disconnecting link can be intuitively read through the state observation window 21 of the display component; the detection component measures the rotation angle of the rotating shaft 10, and feeds back the rotation angle signal to the controller 80, the controller 80 generates a fault indicating signal according to the rotation angle, so that the fault indicating lamp 50 changes the corresponding state, and when the disconnecting link equipment has a fault and the rotation angle is insufficient, the disconnecting link fault state can be visually read according to the fault indicating lamp 50.
Alternatively, the detecting member 30 is an angle sensor provided on the rotating shaft 10, and the angle sensor is used for detecting the amount of the rotating angle of the rotating shaft 10. When the state of the disconnecting link of the disconnecting switch changes, the rotating shaft 10 connected with the disconnecting link equipment through the first connecting component 60 rotates, the rotating shaft 10 rotates relative to the box body 20, the indicating component and the angle sensor are driven to rotate synchronously, and the angle sensor can feed back the rotating angle to the controller.
Further, the controller 80 includes a power module, a single chip module and a relay, the power module is used for supplying power to the controller 80, and the single chip module is used for generating a fault indication signal according to the rotation angle measurement and controlling the on-off of the relay. When the disconnecting link equipment breaks down and the rotating angle is insufficient, the single chip microcomputer module controls the relay to be in contact disconnection, so that a subordinate loop of the relay is disconnected, the maintenance is carried out in time, and accidents are prevented.
Optionally, in one embodiment, the second connecting assembly 70 further includes a coupler 71, the detecting member 30 is connected to the rotating shaft 10 through the coupler 71, and the indicating assembly is fixedly connected to the detecting member 30. When the state of the disconnecting link changes, the rotating shaft 10 connected with the disconnecting link equipment through the first connecting component 60 rotates, the rotating shaft 10 rotates relative to the box body 20, and the indicating component and the detecting piece 30 are driven to synchronously rotate through the coupler 71, so that transmission from the disconnecting link equipment to the detecting piece 30 is realized.
Optionally, in one embodiment, the fault indicator lamp 50 includes a first indicator lamp 51 and a second indicator lamp 52, the fault indicator signal includes a safety signal and a fault signal, the controller 80 is electrically connected to the first indicator lamp 51 and the second indicator lamp 52, the first indicator lamp 51 is used for displaying the safety signal, and the second indicator lamp 52 is used for indicating the fault signal. When the disconnecting link equipment is in a state changing state, the controller 80 can judge according to the rotation angle measured by the detection piece 30, if the rotation angle is enough, a safety signal is generated, the first indicator lamp 51 is turned on, the second indicator lamp 52 is turned off, and the safe operation state of the disconnecting link can be read visually; when the disconnecting link equipment fails and the rotating angle of the rotating shaft 10 is insufficient, the controller 80 judges according to the rotating angle measured by the detecting piece 30 and generates a fault signal, so that the first indicator lamp 51 is turned off, the second indicator lamp 52 is turned on, and the disconnecting link fault state can be visually read.
Optionally, in one embodiment, the status indicator includes a first indicator 51 and a second indicator 52, the first indicator 51 and the second indicator 52 are both provided with lights of two colors, the first indicator 51 and the second indicator 52 are used for changing the indicator lights according to a control board instruction, the first indicator 51 corresponds to a disconnecting link closing position and a disconnecting link separating position, and the second indicator 52 corresponds to a disconnecting link grounding position and a disconnecting link non-grounding position.
Above-mentioned isolator state indicating device, the runner assembly is connected with the switch equipment, the switch-on of switch, during separating brake or ground connection, drive the runner assembly and rotate, the runner assembly stretches into in the holding cavity of box 20 and is connected with the instruction subassembly, it rotates to drive the synchronous of instruction subassembly, the instruction subassembly is equipped with the status indicator, certain angle has been rotated when the runner assembly, the status indicator can correspond and instruct the switch state, and show the switch state through the display module on the box 20, above-mentioned isolator state indicating device can be directly perceived, accurately instruct isolator's switch state, moreover, the steam generator is simple in structure, easy installation, and low cost.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above examples only show some 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. A disconnector state indicating device, characterized in that it comprises:
the box body is provided with an accommodating cavity;
one end of the rotating assembly is rotatably connected with the box body, and the other end of the rotating assembly is used for being connected with the disconnecting link device;
the indicating assembly is arranged in the accommodating cavity, the rotating assembly extends into the accommodating cavity to be connected with the indicating assembly and drives the indicating assembly to rotate synchronously, and the indicating assembly is provided with a state indicating mark which is used for indicating the state of the disconnecting link;
and the display component is arranged on the box body and is used for displaying the state of the disconnecting link.
2. The disconnecting switch state indicating device according to claim 1, wherein a state observation window is formed in the box body, and the state observation window is used for reading the state indicator to display the disconnecting link state.
3. The disconnecting switch state indicating device according to claim 2, wherein the indicating component comprises a state indicating disc, a first indicator, a second indicator, a third indicator and a fourth indicator are arranged on the state indicating disc, the disconnecting link state comprises a disconnecting link grounding state, a disconnecting link separating state, a disconnecting link merging state and a disconnecting link non-grounding state, the first indicator is used for indicating the disconnecting link grounding state, the second indicator is used for indicating the disconnecting link separating state, the third indicator is used for indicating the disconnecting link merging state, and the fourth indicator is used for indicating the disconnecting link non-grounding state.
4. The disconnecting switch state indicating device according to claim 1, wherein the rotating assembly comprises a rotating shaft, a first connecting assembly and a second connecting assembly, the rotating shaft is connected with the disconnecting link device through the first connecting assembly, and the rotating shaft is rotatably connected with the box body through the second connecting assembly.
5. The status indicating device of claim 4, wherein the first connecting assembly comprises an adsorbing member, the adsorbing member is fixed at an end of the rotating shaft far away from the box body, and the adsorbing member is used for adsorbing a transmission shaft of the disconnecting link device and synchronously rotating with the transmission shaft of the disconnecting link device.
6. The status indicator of disconnecting switch according to claim 5, wherein the magnetic member is attached to the transmission shaft of the disconnecting switch device and has the same diameter as the transmission shaft of the disconnecting switch device, and the magnetic member rotates synchronously with the transmission shaft of the disconnecting switch device.
7. The disconnecting switch status indicating device according to claim 4, wherein the second connecting assembly includes a bearing, and the rotating shaft is connected with the box body through the bearing.
8. The status indicating device of claim 4, further comprising a detecting member, a controller and a fault indicating lamp, wherein the detecting member is disposed on the rotating shaft, the detecting member is used for detecting the rotation angle of the rotating shaft, the controller is electrically connected with the detecting member and is used for generating a fault indicating signal according to the rotation angle, and the fault indicating lamp is electrically connected with the controller and is used for displaying the fault indicating signal.
9. The device as claimed in claim 8, wherein the second connecting assembly further comprises a coupler, the detecting member is coupled to the rotating shaft through a coupler, and the indicating assembly is fixedly connected to the detecting member.
10. The disconnecting switch status indicating device according to claim 8, wherein the fault indicator light comprises a first indicator light and a second indicator light, the fault indicator signal comprises a safety signal and a fault signal, the controller is electrically connected to the first indicator light and the second indicator light, the first indicator light is used for displaying the safety signal, and the second indicator light is used for indicating the fault signal.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111476019.XA CN114121542A (en) | 2021-12-04 | 2021-12-04 | Isolation switch state indicating device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111476019.XA CN114121542A (en) | 2021-12-04 | 2021-12-04 | Isolation switch state indicating device |
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| CN114121542A true CN114121542A (en) | 2022-03-01 |
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| CN212303469U (en) * | 2020-06-11 | 2021-01-05 | 新东北电气集团高压开关有限公司 | Side phase indicating device for three-phase isolating/grounding switch |
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