High-voltage live display device for high-voltage switch cabinet
By introducing verification, power-on switching, and guiding positioning mechanisms into the high-voltage switchgear, the backup indicator lights are automatically detected and switched, solving the problem of difficulty in timely repair after the lamp beads are damaged, and ensuring the safe and reliable use of the high-voltage live indicator device.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-24
- Publication Date
- 2026-03-27
AI Technical Summary
The lamp beads of existing high-voltage live display devices are difficult to detect and repair in a timely manner when damaged, which can lead to misjudgment of the live status of high-voltage switchgear and pose a safety hazard.
The system employs a verification and detection mechanism, a power-on switching mechanism, and a guiding and positioning mechanism. By driving the screw to rotate through a drive motor and a transmission motor, and in conjunction with a current detector and a pressure sensor, it automatically detects damage to the indicator lights and switches to a backup indicator light to ensure timely illumination.
It enables rapid detection and automatic switching of indicator lights, avoiding on-site maintenance by repair personnel and improving the safety and reliability of high-voltage live display devices.
Smart Images

Figure CN118896284B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of live display, and in particular to a high-voltage live display device for a high-voltage switch cabinet. BACKGROUND
[0002] The live display device directly shows the live condition of the high-voltage switch cabinet to the operator through the on-off state of the indicator light. When the device is live, the indicator light is on; otherwise, when the device is not live, the indicator light is off. This intuitive display method helps the operator quickly determine the live state of the device, thereby avoiding electric shock accidents caused by misoperation.
[0003] In the existing disclosed technical documents, the patent with the patent number CN109001603A discloses a high-voltage live display device. The high-voltage live display device is connected to the operating indicator light HD through the operating end of the change-over switch SA; the three normally open contacts of the switching relay K1 are connected between the three secondary terminals Ua, Ub, and Uc of the voltage sensor and the power supply ground. The flexible switching of the test and operating state is realized through the voltage withstand switching unit, the traditional method of short-circuiting the ground for the original voltage withstand test is changed, the high-voltage electrically interlocked cabinet door is realized, and the power supply disappears to interlock the cabinet door. However, the high-voltage live display device mainly has the following defects.
[0004] When the high-voltage live display device is installed on the high-voltage switch cabinet for use, the live condition is detected through the light-on, so as to determine whether the high-voltage switch cabinet is live. However, the light-on is mainly realized by the lamp bead. When the lamp bead is damaged and the power supply line of the high-voltage switch cabinet is normal, maintenance personnel need to arrive at the scene for repair and processing. It takes a long time to repair, and other personnel observe that the lamp bead is off during this period, mistakenly thinking that the high-voltage switch cabinet line is not live, and then touching will cause electric shock safety problems. It is difficult to detect the lamp bead problem in time, difficult to restore the normal use of the high-voltage live display device in time, and the safety in use is poor. Therefore, a high-voltage live display device for a high-voltage switch cabinet is provided. SUMMARY
[0005] Therefore, the present application provides a high-voltage live display device for a high-voltage switch cabinet to solve the technical problems existing in the prior art.
[0006] In order to achieve the above-mentioned purpose, the present application provides the following technical scheme: a high-voltage live display device for a high-voltage switch cabinet, comprising a shell, a plurality of display lights are fixedly connected to the inner wall of the shell, the plurality of display lights are arranged at equal intervals from right to left, a standby display light is arranged on one side of each display light, a plurality of standby display lights are fixedly connected between the shell, and a checking and detecting mechanism is arranged on one side of the standby display light.
[0007] The core detection mechanism includes a sliding frame arranged on one side of the standby display lamp, and the sliding frame is fixedly connected with the shell, the inner wall of the sliding frame is rotationally connected with a screw rod, and the inner wall of the sliding frame is fixedly installed with a driving motor, and the driving motor is used to drive the screw rod to rotate; the outer wall of the screw rod is threadedly connected with a sleeved sliding block, and the sleeved sliding block is slidably connected with the sliding frame, the top end of the sleeved sliding block is welded with a sliding groove column, the inner wall of the sliding groove column is rotationally connected with a transmission screw rod, and the top end of the sliding groove column is fixedly installed with a speed reducer motor used to drive the transmission screw rod to rotate; the outer wall of the transmission screw rod is threadedly connected with a sleeved block, one side of the sleeved block is fixedly connected with a linkage strip, and the bottom end of the linkage strip is fixedly installed with a first current detector.
[0008] The other side of the sleeved block is fixedly connected with a support rod, the bottom end of the support rod is fixedly installed with a second current detector, the upper surface of the support rod is fixedly installed with a label recognition sensor, and the upper side of each display lamp is provided with a label strip fixedly connected with the shell; the lower side of the standby display lamp is provided with a power-on contact strip, one side of the power-on contact strip is provided with a power-on switching mechanism; the other side of the power-on contact strip is provided with a guiding and positioning mechanism.
[0009] Preferably, the output end of the driving motor is coaxially and drivingly connected with the screw rod, the inner wall of the sliding frame and the outer wall of the sleeved sliding block are smooth surfaces, the outer wall of the sliding groove column is slidably connected with the sleeved block, and the vertical cross section of the linkage strip is L-shaped; the upper surface of the label recognition sensor is in the same horizontal plane as the upper surface of the label strip, one side of the shell is fixedly installed with a mounting plate; one end of the display lamp is fixedly connected with a power-on end strip, one side of the power-on end strip is provided with a connecting end strip fixedly connected with the display lamp, the one end of the power-on end strip is welded with a contact terminal, and the one end of the connecting end strip is welded with a counter terminal; the contact terminal and the counter terminal are fixedly connected with the shell, the outer wall of the shell and close to the corner line position are fixedly connected with a wireless controller; the bottom end of the wireless controller is installed with a storage battery fixedly connected with the shell.
[0010] According to the technical scheme, when the display is used, the driving motor drives the screw rod to rotate, the screw rod rotates in the sliding frame, the screw rod drives the sleeved sliding block to move left under the action of the threaded transmission force, the sliding groove column drives the transmission screw rod to move left, the support rod drives the label recognition sensor to move left, and the label recognition sensor scans the label strip. When the label recognition sensor scans the label strip, the driving motor is turned off through the wireless controller. At the same time, the reduction motor drives the transmission screw rod to rotate forward, and the sleeved block moves downward along the inner wall of the sliding groove column. The linkage strip drives the first current detector to move downward, the first current detector can detect the current at the position of the contact terminal and the butt joint terminal, the sliding groove column drives the support rod to move downward, and the second current detector can detect the current output by the display lamp. When the current value detected by the second current detector is different from the current value set by the wireless controller, and the current value detected by the first current detector is the same as the value set by the wireless controller, it is judged that the display lamp is damaged.
[0011] Preferably, the power-on switching mechanism comprises a butt joint power-on strip arranged on one side of the power-on contact strip, and a concave block fixedly connected between the butt joint power-on strip and the power-on contact strip; a hinge shaft is welded on one side of the inner wall of the concave block, a sleeve plate is rotatably connected to the outer wall of the hinge shaft, a pressure sensor is fixedly installed at the bottom end of the sleeve plate, a sleeve strip is fixedly connected to the bottom end of the pressure sensor, a linkage shaft is rotatably connected to the inner wall of the sleeve strip, and a concave sleeve block is welded on one end of the linkage shaft; a support frame is slidably connected to the outer wall of the concave sleeve block, and the bottom end of the support frame is fixedly connected to the shell; a linkage screw is threadedly connected to the inner wall of the concave sleeve block, a transmission motor is fixedly installed on one side of the concave sleeve block, the transmission motor is used to drive the linkage screw to rotate, the center point of the hinge shaft is higher than the center point of the linkage shaft, the vertical cross sections of the hinge shaft and the linkage shaft are both circular, the inner walls of the concave sleeve block and the support frame are slidably connected, and the vertical cross section of the concave sleeve block is concave.
[0012] According to the technical scheme, when the display is used, the driving motor drives the linkage screw to rotate, the concave sleeve block moves left along the inner wall of the support frame, the concave sleeve block drives the linkage shaft to move left at the same time, the sleeve strip extrudes the pressure sensor, the pressure sensor extrudes the sleeve plate, the hinge shaft carries the concave block to move up, the concave block drives the power-on contact strip to move up, the butt joint power-on strip moves up to contact one terminal of the standby display lamp, and the butt joint power-on strip contacts the butt joint terminal. The butt joint power-on strip moves up to contact another terminal of the standby display lamp, and the butt joint power-on strip contacts the bottom end of the contact terminal, forming a power-on circuit.
[0013] Preferably, the guiding positioning mechanism comprises two sliding sleeve blocks fixedly arranged on the other side of the electrified contact strip; the inner wall of each sliding sleeve block is slidably connected with a sliding shaft, the bottom end of each sliding shaft is fixedly connected with the shell, an induction block is arranged between the two sliding sleeve blocks, and the induction block is fixedly connected with the electrified contact strip; the top end of each sliding shaft is fixedly connected with a supporting block, a sleeving frame is fixedly connected between the two supporting blocks, a distance sensor is fixedly installed on the inner wall of the sleeving frame, and the distance sensor is used for sensing the distance of the upward movement of the induction block.
[0014] According to the technical scheme, when the electrified display is used, the electrified contact strip moves upward to drive the induction block to move upward synchronously, the two sliding sleeve blocks move upward, the sliding sleeve blocks slide along the inner wall of the sliding shaft, the two supporting blocks support the sleeving frame, and the sleeving frame provides stable supporting force for the distance sensor. Until the value sensed by the distance sensor is zero, and the pressure value sensed by the pressure sensor is the same as the pressure value set by the wireless controller, the transmission motor is turned off through the wireless controller.
[0015] The present application has the following advantages:
[0016] 1、The present application adopts the checking detection mechanism, the driving motor drives the screw rod to rotate, the sliding groove column drives the transmission screw rod to move the sleeving block to the left, when the label identification sensor scans the label strip, the first current detector can detect the current of the contact terminal and the butt joint terminal, the second current detector can detect the current output by the display lamp, and when the current value detected by the second current detector is different from the current value set by the wireless controller, and the current value detected by the first current detector is the same as the value set by the wireless controller, it is judged that the display lamp is damaged, the display lamp can be quickly judged to be damaged, and when the connecting end strip and the contact terminal are not damaged, the standby display lamp is switched to display the electrified display, without the need for maintenance personnel to arrive on site for repair, the problem of the lamp bead can be detected in time, the normal use of the high-voltage electrified display device can be restored in time, and the use safety of the electrified display device is greatly improved.
[0017] 2, The utility model discloses a power supply switching mechanism, transmission motor drive linkage screw rotation, linkage screw carries concave sleeve block under the action of screw transmission force and moves left, linkage axle drives sleeve strip bottom end and moves left, articulated axle carries concave block and moves up, and the butt joint power supply strip moves up and contacts one terminal of standby display lamp, and the butt joint power supply strip simultaneously contacts the butt joint terminal. At the same time, the butt joint power supply strip moves up and contacts another terminal of standby display lamp, and the butt joint power supply strip contacts the bottom end of the contact terminal, the pressure value sensed by the pressure sensor is same with the pressure value set by the wireless controller, the power supply contact strip and the butt joint power supply strip can be switched to the power supply position according to the specified pressure, the standby display lamp can quickly restore the light state, thereby the normal use of the high-voltage live display device is recovered in time, and the use safety of the live display device is greatly improved.
[0018] 3, The utility model discloses a guide positioning mechanism, when the power supply contact strip moves up, the inductive block moves up synchronously, the power supply contact strip moves up two sliding sleeve blocks, the sliding axle supports the support block, the two support blocks support the sleeve frame, when the inductive block moves up to the distance sensor sensing position, until the value sensed by the distance sensor is zero, the power supply contact strip and the butt joint power supply strip can be switched to the power supply position according to the specified distance position, and the power supply contact strip and the butt joint power supply strip can move up stably according to the vertical position, the power supply contact strip and the butt joint power supply strip are quickly butt joint to the power supply position, and the normal use of the high-voltage live display device is recovered in time.
[0019] According to the mutual influence of the above-mentioned multiple effects, the first current detector can detect the current of the contact terminal and the butt joint terminal, the second current detector can detect the output current of the display lamp, the display lamp in the damaged state is detected, the power supply contact strip and the butt joint power supply strip are switched to the power supply position according to the specified pressure, and finally the power supply contact strip and the butt joint power supply strip can move up stably according to the vertical position and move to the specified position. Without the maintenance personnel on site, the light problem of multiple display lamps is detected in time, the display lamp with the problem is switched in time, the normal use of the high-voltage live display device is recovered in time, and the use safety of the live display device is greatly improved. BRIEF DESCRIPTION OF DRAWINGS
[0020] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only exemplary, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of the provided drawings.
[0021] The structures, proportions, sizes, etc. shown in the specification are only used to cooperate with the content disclosed in the specification, to be understood and read by those skilled in the art, and are not used to limit the conditions that can be implemented by the application, so they do not have technical significance. Any modification of the structure, change of the proportion relationship or adjustment of the size, without affecting the effect and purpose that can be achieved by the application, should still fall within the scope covered by the disclosed technology.
[0022] Figure 1 The high-voltage live display device for high-voltage switch cabinet is a whole structure schematic diagram;
[0023] Figure 2 The high-voltage live display device for high-voltage switch cabinet is a cross-section structure schematic diagram;
[0024] Figure 3 The high-voltage live display device for high-voltage switch cabinet is a vertical cross-section structure schematic diagram;
[0025] Figure 4 The sliding groove column and the transmission screw connection part are main view local structure schematic diagram;
[0026] Figure 5 The display lamp and the shell connection part are truncated local structure schematic diagram;
[0027] Figure 6 The sliding shaft and the shell connection part are vertical cross-section local structure schematic diagram;
[0028] Figure 7 The support frame and the shell connection part are vertical cross-section truncated structure schematic diagram;
[0029] Figure 8 The power-on switching mechanism is a top view structure schematic diagram;
[0030] Figure 9 The sleeve plate and the pressure sensor connection part are truncated local structure schematic diagram;
[0031] Figure 10 The power-on contact strip and the sleeve plate connection part are truncated local structure schematic diagram;
[0032] In the figure: 1, the shell; 2, display lamp; 3, standby display lamp; 4, sliding frame; 5, screw rod; 6, drive motor; 7, sleeve sliding block; 8, sliding slot column; 9, transmission screw; 10, sleeve block; 11, speed reducer motor; 12, linkage strip; 13, first current detector; 14, support rod; 15, second current detector; 16, label identification sensor; 17, label strip; 18, mounting plate; 19, power end strip; 20, contact terminal; 21, connecting end strip; 22, docking terminal; 23, wireless controller; 24, battery; 25, power contact strip; 26, docking power strip; 27, concave block; 28, hinged shaft; 29, sleeve plate; 30, pressure sensor; 31, sleeve strip; 32, linkage shaft; 33, concave sleeve block; 34, support frame; 35, linkage screw; 36, transmission motor; 37, sliding sleeve block; 38, sliding shaft; 39, induction block; 40, support block; 41, sleeve frame; 42, distance sensor. DETAILED DESCRIPTION
[0033] The embodiments of the present application will be described in detail with specific embodiments, and those skilled in the art can easily understand other advantages and effects of the present application from the disclosure. Obviously, the described embodiments are part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.
[0034] As shown in the accompanying Figure 1 - Figure 10 A high-voltage live display device for high-voltage switch cabinet is provided with a check detection mechanism, a power-on switching mechanism and a guide positioning mechanism. The setting of each mechanism and component can avoid the need for maintenance personnel to arrive on site for maintenance and processing, timely detect the lighting problem of multiple display lamps 2, timely switch the display lamp 2 with problems and timely restore the normal use of the high-voltage live display device, greatly improve the use safety of the live display device, and the specific structure of each mechanism is set as follows.
[0035] In the technical solution, as shown in the accompanying Figure 1 - Figure 5As shown, one side of each display lamp 2 is provided with a standby display lamp 3, a plurality of standby display lamps 3 are fixedly connected between the shell 1, and one side of the standby display lamp 3 is provided with a checking detection mechanism; the checking detection mechanism comprises a sliding frame 4 arranged on one side of the standby display lamp 3, and the sliding frame 4 is fixedly connected between the shell 1, a screw rod 5 is rotatably connected to the inner wall of the sliding frame 4, a driving motor 6 is fixedly installed on one side of the inner wall of the sliding frame 4, and the driving motor 6 is used to drive the screw rod 5 to rotate; the outer wall of the screw rod 5 is threadedly connected with a sleeved sliding block 7, and the sleeved sliding block 7 is slidably connected with the sliding frame 4, a sliding groove column 8 is welded to the top end of the sleeved sliding block 7, a transmission screw rod 9 is rotatably connected to the inner wall of the sliding groove column 8, and a speed reducer 11 for driving the transmission screw rod 9 to rotate is fixedly installed at the top end of the sliding groove column 8.
[0036] The outer wall of the transmission screw rod 9 is threadedly connected with a sleeved block 10, one side of the sleeved block 10 is fixedly connected with a linkage strip 12, and a first current detector 13 is fixedly installed at the bottom end of the linkage strip 12; the other side of the sleeved block 10 is fixedly connected with a supporting rod 14, a second current detector 15 is fixedly installed at the bottom end of the supporting rod 14, and a label recognition sensor 16 is fixedly installed on the upper surface of the supporting rod 14; the upper side of each display lamp 2 is provided with a label strip 17 fixedly connected with the shell 1; the lower side of the standby display lamp 3 is provided with a power-on contact strip 25, one side of the power-on contact strip 25 is provided with a power-on switching mechanism; the other side of the power-on contact strip 25 is provided with a guiding and positioning mechanism. The output end of the driving motor 6 is coaxially connected with the screw rod 5, and the inner wall of the sliding frame 4 and the outer wall of the sleeved sliding block 7 are both smooth surfaces.
[0037] In the technical solution, as shown in the accompanying drawings Figure 1 Figure 6 As shown, one side of the shell 1 is fixedly installed with a mounting plate 18; one end of the display lamp 2 is fixedly connected with a power-on end strip 19, one side of the power-on end strip 19 is provided with a connection end strip 21 fixedly connected with the display lamp 2, one end of the power-on end strip 19 is welded with a contact terminal 20, and one end of the connection end strip 21 is welded with a counter terminal 22; the contact terminal 20 and the counter terminal 22 are fixedly connected with the shell 1, so as to be fixedly installed on the high-voltage switch cabinet by bolts, so that the mounting plate 18 provides support force for the shell 1, and the wire harness of the power-on circuit of the high-voltage switch cabinet is installed on a plurality of counter terminals 22 and is counter-connected to a plurality of contact terminals 20, so that power is supplied to the connection end strip 21 through the counter terminal 22, the contact terminal 20 is connected to the power-on end strip 19, power is supplied to the display lamp 2 through the connection end strip 21, and the power-on end strip 19 supplies power to the display lamp 2. After the display lamp 2 detects the amount of the electric meter, the display lamp 2 supplies power to realize the lighting operation, that is, it can be known whether the high-voltage switch cabinet circuit is live, and the live lighting display is performed.
[0038] The outer wall of the shell 1 is fixedly connected with a wireless controller 23 near the corner line position; the bottom end of the wireless controller 23 is fixedly connected with a storage battery 24 fixedly connected with the shell 1, so that the storage battery 24 supplies power to the wireless controller 23, the wireless controller 23 starts the driving motor 6, and the driving motor 6 can drive the screw rod 5 to realize rotation operation.
[0039] In the technical solution, as shown in the accompanying drawings, Figure 7 Figure 9 As shown in the accompanying drawings, the power-on switching mechanism includes a butt power-on strip 26 arranged on one side of the power-on contact strip 25, and a concave block 27 fixedly connected between the butt power-on strip 26 and the power-on contact strip 25; a hinge shaft 28 is welded on the inner wall of the concave block 27, a sleeve plate 29 is rotatably connected to the outer wall of the hinge shaft 28, a pressure sensor 30 is fixedly installed at the bottom end of the sleeve plate 29, a sleeve strip 31 is fixedly connected to the bottom end of the pressure sensor 30, a linkage shaft 32 is rotatably connected to the inner wall of the sleeve strip 31, a concave sleeve block 33 is welded on one end of the linkage shaft 32; a support frame 34 is slidably connected to the outer wall of the concave sleeve block 33, and the bottom end of the support frame 34 is fixedly connected with the shell 1, a linkage screw rod 35 is threadedly connected to the inner wall of the concave sleeve block 33, and a transmission motor 36 is fixedly installed on one side of the concave sleeve block 33, the transmission motor 36 is used to drive the linkage screw rod 35 to rotate, the center point of the hinge shaft 28 is higher than the center point of the linkage shaft 32, and the vertical sections of the hinge shaft 28 and the linkage shaft 32 are both circular, the concave sleeve block 33 is slidably connected between the inner walls of the concave sleeve block 33 and the support frame 34, and the vertical section of the concave sleeve block 33 is concave.
[0040] In the technical solution, as shown in the accompanying drawings, Figure 8 Figure 10 As shown in the accompanying drawings, the guide positioning mechanism includes two sliding sleeve blocks 37 fixedly arranged on the other side of the power-on contact strip 25; a sliding shaft 38 is slidably connected to the inner wall of each sliding sleeve block 37, the bottom end of each sliding shaft 38 is fixedly connected with the shell 1, and an induction block 39 is arranged between the two sliding sleeve blocks 37, the induction block 39 is fixedly connected with the power-on contact strip 25; a support block 40 is fixedly connected to the top end of each sliding shaft 38, a sleeve joint frame 41 is fixedly connected between the two support blocks 40, a distance sensor 42 is fixedly installed on the inner wall of the sleeve joint frame 41, and the distance sensor 42 is used to sense the distance of the upward movement of the induction block 39.
[0041] The use method of the high-voltage live display device for the high-voltage switch cabinet is as follows:
[0042] Step one, when using, the shell 1 is placed on the high-voltage switch cabinet, the mounting plate 18 is fixedly installed on the high-voltage switch cabinet through bolts, so that the mounting plate 18 provides support force for the shell 1. The wire harness of the energized circuit of the high-voltage switch cabinet is installed on the plurality of butt terminals 22 and is butt-jointed on the plurality of contact terminals 20, power is supplied to the connecting end strip 21 through the butt terminals 22, the contact terminals 20 are connected to the energized end strip 19, power is supplied to the display lamp 2 through the connecting end strip 21, and the energized end strip 19 supplies power to the display lamp 2. After the display lamp 2 detects the amount of electricity, the display lamp 2 supplies power to realize the lighting operation, so as to know that the circuit of the high-voltage switch cabinet is a live circuit, and the three display lamps 2 can display the lighting after detecting the live.
[0043] Step two, when checking, the storage battery 24 supplies power to the wireless controller 23, the wireless controller 23 starts to drive the motor 6, the motor 6 drives the screw rod 5 to rotate, the screw rod 5 rotates in the slide frame 4. The sleeve sliding block 7 is driven to move left under the action of the screw thread transmission force, the sleeve sliding block 7 drives the sliding groove column 8 to move left, the sliding groove column 8 drives the transmission screw rod 9 to move left, the sleeve block 10 is driven by the sleeve block 10 to move left, the support rod 14 is driven by the sleeve block 10 to move left, the label recognition sensor 16 is driven by the support rod 14 to move left, and the label recognition sensor 16 starts to move along the positions of the three label strips 17. When the label recognition sensor 16 scans the label strip 17, the wireless controller 23 is closed to drive the motor 6.
[0044] At the same time, the reduction motor 11 drives the transmission screw rod 9 to rotate forward, the transmission screw rod 9 drives the sleeve block 10 to move down under the action of the screw thread transmission force, and the sleeve block 10 moves downward along the inner wall of the sliding groove column 8. The sleeve block 10 drives the linkage strip 12 to move down, the linkage strip 12 drives the first current detector 13 to move down, and the two terminals of the first current detector 13 respectively contact the contact terminals 20 and the butt terminals 22. The first current detector 13 can detect the current at the positions of the contact terminals 20 and the butt terminals 22. When the first current detector 13 detects the current, it indicates that the circuit of the high-voltage switch cabinet is live.
[0045] The sliding groove column 8 drives the support rod 14 to move down, the support rod 14 drives the second current detector 15 to contact the two terminals of the display lamp 2, and the second current detector 15 can detect the output current of the display lamp 2. When the current value detected by the second current detector 15 is different from the current value set by the wireless controller 23, and the current value detected by the first current detector 13 is the same as the value set by the wireless controller 23, it is judged that the display lamp 2 is damaged.
[0046] Step three, when the power switch, through the transmission motor 36 drive linkage screw 35 rotation, linkage screw 35 carrying concave sleeve block 33 under the action of screw transmission force left. Concave sleeve block 33 along the inner wall of the frame 34 left concave sleeve block 33 left drive linkage shaft 32, linkage shaft 32 drive sleeve strip 31 bottom left, sleeve strip 31 extrusion pressure sensor 30, pressure sensor 30 extrusion sleeve plate 29, sleeve plate 29 extrusion articulated shaft 28 up. Articulated shaft 28 carrying concave block 27 up, concave block 27 drive butt power strip 26 up, while the concave block 27 drive power contact strip 25 up, butt power strip 26 up contact in a terminal of standby display lamp 3, and butt power strip 26 contact in butt terminal 22. At the same time butt power strip 26 up contact in another terminal of standby display lamp 3, and butt power strip 26 contact in contact terminal 20 bottom, form the power circuit. Until the pressure sensor 30 sensor pressure value and wireless controller 23 set pressure value is the same.
[0047] Step four, when the guide positioning, power contact strip 25 up will drive the induction block 39 up synchronously, power contact strip 25 up drive two sliding sleeve block 37, sliding sleeve block 37 along the inner wall of the sliding shaft 38 up, sliding shaft 38 support block 40, two support block 40 support sleeve frame 41, sleeve frame 41 to the distance sensor 42 provides stable support force. When the induction block 39 up to the distance sensor 42 sensing position, until the distance sensor 42 sensor value is zero, while the pressure sensor 30 sensor pressure value and wireless controller 23 set pressure value is the same, then through the wireless controller 23 close transmission motor 36.
[0048] Step five, when the display switch, through the butt terminal 22 power to the power contact strip 25, power contact strip 25 power to a terminal of standby display lamp 3, and contact terminal 20 power to butt power strip 26, butt power strip 26 power to another terminal of standby display lamp 3. After standby display lamp 3 power supply, fast display light state, standby display lamp 3 light, which can indicate that the high voltage switchgear line live, through the test variable, know whether the high voltage switchgear line live.
[0049] The contents not described in detail in the specification are all the existing technology known to those skilled in the art, and the model parameters of various electrical appliances are not specifically limited, and conventional equipment can be used. In this technical solution, the electrical control elements not mentioned belong to the prior art, so they are not shown in the figure and will not be described here.
[0050] Although the present application has been described in detail with general description and specific embodiments above, it is obvious to those skilled in the art that some modifications or improvements can be made on the basis of the present application. Therefore, these modifications or improvements made on the basis of not deviating from the spirit of the present application, all belong to the scope of protection claimed by the present application.
Claims
1. A high-voltage live display device for a high-voltage switch cabinet, comprising a shell, an inner wall of the shell being fixedly connected with a plurality of display lamps, the plurality of display lamps being arranged in equal intervals from right to left in sequence, one side of each display lamp being provided with a standby display lamp, and the plurality of standby display lamps being fixedly connected with the shell, characterized in that: One side of the standby display lamp is provided with a check detection mechanism; The check detection mechanism comprises a sliding frame arranged on one side of the standby display lamp, and the sliding frame is fixedly connected between the sliding frame and the shell. A screw rod is rotatably connected to the inner wall of the sliding frame. A driving motor is fixedly installed on one side of the inner wall of the sliding frame and is used to drive the screw rod to rotate. The outer wall of the screw rod is threadedly connected with a sleeved sliding block, and the sleeved sliding block is slidably connected between the sleeved sliding block and the sliding frame. A sliding groove column is welded to the top end of the sleeved sliding block. A transmission screw rod is rotatably connected to the inner wall of the sliding groove column. A power-on contact strip is arranged below the standby display lamp. The power-on contact strip is provided with a power-on switching mechanism on one side. The other side of the power-on contact strip is provided with a guide positioning mechanism. A reduction motor for driving the transmission screw rod to rotate is fixedly installed at the top end of the sliding groove column. A sleeved block is threadedly connected to the outer wall of the transmission screw rod. A linkage strip is fixedly connected to one side of the sleeved block. A first current detector is fixedly installed at the bottom end of the linkage strip. A support rod is fixedly connected to the other side of the sleeved block. A second current detector is fixedly installed at the bottom end of the support rod. A label recognition sensor is fixedly installed on the upper surface of the support rod. The upper surface of each display lamp is provided with a label strip fixedly connected to the shell. The outer wall of the sliding groove column is slidably connected with the sleeved block. The vertical cross-sectional shape of the linkage strip is L-shaped. The upper surface of the label recognition sensor is at the same horizontal plane as the upper surface of the label strip. The power-on switching mechanism comprises a butt joint power-on strip arranged on one side of the power-on contact strip. The butt joint power-on strip is fixedly connected with a concave block between the butt joint power-on strip and the power-on contact strip. A hinge shaft is welded to one side of the inner wall of the concave block. A sleeve plate is rotatably connected to the outer wall of the hinge shaft. A pressure sensor is fixedly installed at the bottom end of the sleeve plate. A sleeve strip is fixedly connected to the bottom end of the pressure sensor. A linkage shaft is rotatably connected to the inner wall of the sleeve strip. A concave sleeve block is welded to one end of the linkage shaft. A support frame is slidably connected to the outer wall of the concave sleeve block. The support frame is fixedly connected between the bottom end of the support frame and the shell. A linkage screw rod is threadedly connected to the inner wall of the concave sleeve block. A transmission motor is fixedly installed on one side of the concave sleeve block. The transmission motor is used to drive the linkage screw rod to rotate. The guide positioning mechanism comprises two sliding sleeve blocks fixedly arranged on the other side of the power-on contact strip. The inner wall of each sliding sleeve block is slidably connected with a sliding shaft. The bottom end of each sliding shaft is fixedly connected with the shell. An induction block is arranged between the two sliding sleeve blocks. The induction block is fixedly connected with the power-on contact strip.
2. The high-voltage live display device for a high-voltage switchgear according to claim 1, characterized in that: The top end of each sliding shaft is fixedly connected with a support block. A sleeved frame is fixedly connected between the two support blocks. A distance sensor is fixedly installed on the inner wall of the sleeved frame. The distance sensor is used to sense the distance of the induction block moving upward.
3. The high-voltage live display device for a high-voltage switchgear according to claim 1, characterized in that: The output end of the driving motor is coaxially connected with the screw rod. The inner wall of the sliding frame and the outer wall of the sleeved sliding block are smooth surfaces. One side of the shell is fixedly installed with a mounting plate. One end of the display lamp is fixedly connected with a power-on end strip. One side of the power-on end strip is provided with a connection end strip fixedly connected with the display lamp. A contact terminal is welded to one end of the power-on end strip. A butt joint terminal is welded to one end of the connection end strip.
4. The high-voltage live display device for a high-voltage switchgear according to claim 1, characterized in that: The contact terminal and the butt joint terminal are fixedly connected with the shell. The outer wall of the shell and near the corner line position are fixedly connected with a wireless controller. The bottom end of the wireless controller is provided with a battery fixedly connected with the shell.
5. The high-voltage live display device for a high-voltage switchgear according to claim 1, characterized in that: The center point of the hinge shaft is higher than the center point of the linkage shaft, and the vertical section of the hinge shaft and the linkage shaft are both circular.
6. The high-voltage live display device for a high-voltage switchgear according to claim 1, characterized in that: The concave sleeve block is in sliding connection with the inner wall of the support frame, and the vertical section of the concave sleeve block is concave.
Citation Information
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