CN116893298A - Operation fault alarm device for secondary equipment of transformer substation - Google Patents
Operation fault alarm device for secondary equipment of transformer substation Download PDFInfo
- Publication number
- CN116893298A CN116893298A CN202310855415.6A CN202310855415A CN116893298A CN 116893298 A CN116893298 A CN 116893298A CN 202310855415 A CN202310855415 A CN 202310855415A CN 116893298 A CN116893298 A CN 116893298A
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- sliding bar
- rotating disc
- sliding
- secondary equipment
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- 230000005540 biological transmission Effects 0.000 claims description 19
- 239000000523 sample Substances 0.000 claims description 19
- 238000005259 measurement Methods 0.000 abstract description 12
- 238000010586 diagram Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/08—Measuring resistance by measuring both voltage and current
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
- G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
- G08B5/36—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention relates to the technical field of transformer substations and discloses an operation fault alarm device for secondary equipment of a transformer substation, which comprises an input assembly, a passive assembly, a variable resistance assembly and a control circuit board, wherein the input assembly comprises an electromagnet, the passive assembly comprises a first sliding bar, an attraction block and a reset spring, the attraction block is positioned at one end of the first sliding bar, the attraction block is opposite to the electromagnet, the control circuit is provided with a processor and a resistance measurement module for measuring the variable resistance assembly, the resistance of the variable resistance assembly is changed when the first sliding bar slides, an indicator lamp is arranged on a shell, and the processor is electrically connected with the indicator lamp. When the device is used, the electromagnet is connected with secondary equipment of the transformer substation in parallel, when the equipment works normally, the resistance value detected by the resistance measurement module is a first resistance value, when the resistance value detected by the resistance measurement module changes, the operation fault is indicated, and then the indicator lamp gives a prompt so as to discover the fault in time and judge and identify the type of the fault.
Description
Technical Field
The invention relates to the technical field of substations, in particular to an operation fault alarm device for secondary equipment of a substation.
Background
The secondary equipment of the transformer substation is equipment for measuring, controlling, monitoring and protecting the running states of primary equipment and systems, and comprises a microcomputer monitoring system of a booster station, a voltage reactive power control device and the like.
Disclosure of Invention
The invention aims to solve the technical problem of providing the operation fault alarm device for the secondary equipment of the transformer substation, which can detect and judge the conditions of the secondary equipment of the transformer substation, such as under-voltage, high-voltage, short circuit and the like.
In order to achieve the above purpose, the invention provides a secondary equipment operation fault alarm device of a transformer substation, which comprises a shell, an input assembly, a driven assembly, a varistor assembly and a control circuit board, wherein the input assembly, the driven assembly, the varistor assembly and the control circuit board are arranged in the shell, the input assembly comprises an electromagnet, the driven assembly comprises a first sliding bar, an attraction block and a reset spring, the first sliding bar can slide along the length direction of the first sliding bar, the attraction block is positioned at one end of the first sliding bar, the attraction block and the electromagnet are oppositely arranged, one end of the reset spring is fixedly connected with the first sliding bar, the other end of the reset spring is fixedly connected with the shell, the other end of the reset spring is fixedly connected with the electrode pad, the varistor assembly comprises a rotating shaft, a rotating disc, electrode columns, electrode strips and conducting columns, the rotating shaft is rotatably connected with the shell, the rotating disc is arranged on the rotating shaft, the rotating disc can drive the rotating disc through a first transmission assembly, the electrode columns penetrate through the rotating disc, a plurality of electrode columns are fixedly arranged around the axes of the rotating shaft, the electrode columns are fixedly arranged around the rotating shaft, the electrode columns are fixedly arranged at the positions of the rotating disc, the electrode columns are fixedly connected with the electrode pads, the measuring module and the measuring module is fixedly arranged at the bottom end of the electrode pad, and the electrode pad, the electrode pad is fixedly connected with the measuring module, and the electrode pad, and the electrode processing module are fixedly connected with the measuring module, and the electrode processing module, and the sensor, the second probe is connected with one end of the electrode strip, an indicator lamp is arranged on the shell, and the processor is electrically connected with the indicator lamp.
As a preferable scheme of the invention, the passive component further comprises a second sliding bar arranged along the length direction of the sliding bar, the second sliding bar is connected with the rotating disc through a second transmission component, one end of the second sliding bar, which is far away from the electromagnet, is provided with a touch switch, the control circuit board is provided with a buzzer, and the touch switch is electrically connected with the buzzer.
As a preferable scheme of the invention, the rotating shaft is arranged at one side of the first sliding bar, the first transmission assembly comprises a first rack and a driven gear, the first rack is arranged at one side of the first sliding bar, which is close to the rotating shaft, the driven gear is arranged on the rotating shaft, and the first rack is in meshed connection with the driven gear.
As a preferable scheme of the invention, the rotating disc is arranged on one side of the second sliding bar, the second transmission assembly comprises a second rack, the second rack is arranged on one side, close to the rotating disc, of the second sliding bar, and a third rack meshed with the second rack is arranged on the outer side of the rotating disc.
As a preferable mode of the invention, the electrode strip is arc-shaped with the center of the circle on the axis of the rotating shaft.
As a preferable scheme of the invention, the passive component further comprises a first fixing seat fixedly arranged in the shell, the first sliding bar slidably penetrates through the first fixing seat, a first fixing block is arranged at the top of the first fixing seat, a second fixing block which is opposite to the first fixing block is arranged at the top of the first sliding bar, the reset spring is arranged along the length direction of the first sliding bar, one end of the reset spring is connected with the first fixing block, and the other end of the reset spring is connected with the second fixing block.
As a preferable scheme of the invention, the input assembly further comprises a second fixing seat and a sliding rail, wherein the second fixing seat is fixedly arranged in the shell, the sliding rail is arranged along the length direction of the first sliding bar, the electromagnet is arranged at one end of the sliding rail, the sliding rail slidably penetrates through the second fixing seat, the second fixing seat is provided with a positioning block, the electromagnet is provided with an adjusting stud arranged along the length direction of the sliding rail, the adjusting stud penetrates through the positioning block, and two fixing nuts which are respectively arranged at two ends of the positioning block are arranged on the adjusting stud.
As a preferred embodiment of the present invention, the indicator lamp includes a first lamp, a second lamp, and a third lamp, and the first lamp, the second lamp, and the third lamp are electrically connected to the processor, respectively.
As a preferable scheme of the invention, a fixed column is arranged in the shell, the fixed column is fixedly connected with a conductive rod, one end of the conductive rod is connected with the first probe, and the other end of the conductive rod is fixedly connected with the conductive column.
As a preferable scheme of the invention, the two sides of the shell are respectively provided with a mounting block, and the mounting blocks are provided with fixing holes.
Compared with the prior art, the operation fault alarm device for the secondary equipment of the transformer substation has the beneficial effects that: when the secondary equipment of the transformer substation works normally, the resistance value detected by the resistance measurement module is a first resistance value; when the secondary equipment of the transformer substation has the fault phenomena of high voltage, undervoltage, short circuit and the like, the current passing through the electromagnet changes at the moment, so that the attraction of the electromagnet to the attraction block changes, the first sliding strip slides, the rotating disc rotates under the action of the first transmission assembly, the effective resistance length of the electrode strip changes, the resistance changing is realized, and the resistance value measured by the resistance measuring module changes; the processor can detect and judge whether the secondary equipment of the transformer substation has operation faults or not by comparing the resistance value detected by the resistance measurement module with the first resistance value, and then the processor controls the indicator lamp to prompt so as to discover the faults and judge and identify the types of the faults in time.
Drawings
FIG. 1 is a block diagram of the present invention;
FIG. 2 is an internal structural view of the housing of the present invention;
FIG. 3 is a block diagram of an input assembly of the present invention;
FIG. 4 is a block diagram of a passive component of the present invention;
FIG. 5 is a block diagram of a varistor assembly of the present invention;
FIG. 6 is a bottom view of the varistor assembly of the present invention;
FIG. 7 is a schematic diagram illustrating a position relationship between the second slider and the trigger switch in FIG. 2;
in the figure, 1, a shell; 11. an indicator light; 12. a mounting block; 2. an input assembly; 21. an electromagnet; 22. the second fixing seat; 23. a slide rail; 24. a positioning block; 25. adjusting the stud; 26. a fixing nut; 3. a passive component; 31. a first slide bar; 32. a suction block; 33. a return spring; 34. a first fixing seat; 341. a first fixed block; 342. a second fixed block; 4. a varistor assembly; 41. a rotating shaft; 42. a rotating disc; 43. an electrode column; 44. electrode strips; 45. a conductive post; 451. fixing the column; 452. a conductive rod; 46. a first transmission assembly; 461. a first rack; 462. a driven gear; 47. a second slide bar; 48. a second transmission assembly; 481. a second rack; 482. a third rack; 5. a control circuit board; 51. a resistance measurement module; 511. a first probe; 512. a second probe; 52. a buzzer; 6. the trigger switch.
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 to 7, the secondary equipment operation failure alarm device of the present invention comprises a housing 1, an input assembly 2, a driven assembly 3, a varistor assembly 4 and a control circuit board 5 which are arranged in the housing 1, wherein the input assembly 2 comprises an electromagnet 21, the driven assembly 3 comprises a first slide bar 31, an attracting block 32 and a return spring 33, the first slide bar 31 can slide along the length direction thereof, the attracting block 32 is positioned at one end of the first slide bar 31, the attracting block 32 is arranged opposite to the electromagnet 21, one end of the return spring 33 is fixedly connected with the first slide bar 31, the other end of the return spring 33 is relatively fixed with the housing 1, the varistor assembly 4 comprises a rotating shaft 41, a rotating disc 42, an electrode column 43, an electrode bar 44 and a conductive column 45, the rotating shaft 41 is rotatably connected with the housing 1, the rotating disc 42 is arranged on the rotating shaft 41, the rotating disc 42 is connected with the first slide bar 31 through a first transmission assembly 46, the first slide bar 31 can drive the rotating disc 42 to rotate, the electrode columns 43 penetrate through the rotating disc 42, the electrode columns 43 are arranged in a plurality, the electrode columns 43 are distributed around the axis of the rotating shaft 41, the electrode bars 44 are fixedly arranged below the rotating disc 42, the positions of the electrode bars 44 correspond to the positions of the electrode columns 43, the bottom ends of the electrode columns 43 are in fit connection with the electrode bars 44, the conductive columns 45 are fixedly arranged above the rotating disc 42, the bottom ends of the conductive columns 45 are in contact with the top ends of one of the electrode columns 43, the control circuit board 5 is provided with a processor and a resistance measuring module 51 (it is understood that the resistance measuring module 51 is provided with a power supply), the processor is electrically connected with the resistance measuring module 51, the resistance measuring module 51 is provided with a first probe 511 and a second probe 512, the first probe 511 is connected with the conductive columns 45, the second probe 512 is connected to one end of the electrode strip 44, the housing 1 is provided with an indicator lamp 11, and the processor is electrically connected to the indicator lamp 11.
The working principle of the embodiment is as follows: when the device is used, the electromagnet 21 is firstly arranged on secondary equipment of a transformer substation, the electromagnet 21 is connected in parallel with the secondary equipment of the transformer substation (the power supply of the device is a direct current power supply), a magnetic field is generated after the electromagnet 21 is electrified, so that the first sliding bar 31 is attracted to move towards the direction close to the electromagnet 21, the reset spring 33 is in a stretched state, after the device is stabilized, namely after the secondary equipment of the transformer substation works normally, a space exists between the attraction block 32 and the electromagnet 21, the conductive column 45 is contacted with the top end of one electrode column 43, other electrode columns 43 are arranged on two sides of the electrode column 43, the first probe 511 is connected with the top end of the electrode column 43 through the conductive column 45, the second probe 512 is connected with the bottom end of the conductive column 45 through the electrode bar 44, and a loop is formed, and at the moment, the resistance measured by the resistance measuring module 51 is a first resistance value, namely when the secondary equipment of the transformer substation works normally, the resistance measured by the resistance measuring module 51 is kept to be the first resistance value; when the secondary equipment of the transformer substation has a high voltage phenomenon, the current passing through the electromagnet 21 is increased, so that the suction force of the electromagnet 21 to the suction block 32 is increased, the first sliding bar 31 slides in the direction close to the electromagnetic direction, under the action of the first transmission component 46, the rotating disc 42 rotates, the conductive column 45 contacts with the top end of the other electrode column 43, so that the effective resistance length of the electrode bar 44 changes, the varistor is realized, the resistance value measured by the resistance measurement module 51 changes, it is understood that when the rotating disc 42 rotates, the electrode bar 44 rotates along with the rotating disc 42, so that the second probe 512 can be connected with the electrode bar 44 through a wire, the length of the wire is larger than the distance between the second probe 512 and the electrode bar 44, and the second probe 512 keeps electrically connected with the electrode bar 44 when the electrode bar 44 rotates; when the secondary equipment of the transformer substation has an under-voltage or short-circuit phenomenon, the current passing through the electromagnet 21 is reduced, so that the attraction force of the electromagnet 21 to the attraction block 32 is reduced (when the secondary equipment of the transformer substation has a short-circuit, the electromagnet 21 is connected in parallel, so that almost no current passes through the electromagnet 21), the first sliding strip 31 slides in a direction away from the electromagnet, the rotating disc 42 rotates under the action of the first transmission component 46, the effective resistance length of the electrode strip 44 is changed, namely the resistance value measured by the resistance measurement module 51 is changed, based on the change, the processor can detect and judge whether the secondary equipment of the transformer substation has an operation fault (such as high voltage, under-voltage and short-circuit phenomenon) by comparing the resistance value detected by the resistance measurement module 51 with the first resistance value, and then the processor controls the indicator lamp 11 to give a prompt so as to discover the fault and judge the type of the fault in time.
In this embodiment, referring to fig. 4, when the secondary equipment of the transformer substation has a high voltage phenomenon, the rotating disc 42 rotates clockwise (the conductive column 45 rotates counterclockwise relative to the rotating disc 42), the effective resistance length of the electrode strip 44 increases, and therefore the resistance value detected by the resistance measurement module 51 is greater than the first resistance value; when the secondary device of the transformer substation has a short circuit, the rotating disc 42 rotates anticlockwise, the effective resistance length of the electrode strip 44 is reduced, the resistance value detected by the resistance measurement module 51 is smaller than the first resistance value and is a second resistance value (the second resistance value can be measured when the electromagnet 21 is not electrified), and when the secondary device of the transformer substation has an undervoltage, the resistance value detected by the resistance measurement module 51 is between the first resistance value and the second resistance value.
The passive component 3 further includes a second sliding bar 47 disposed along a length direction of the sliding bar, the second sliding bar 47 is connected with the rotating disc 42 through a second transmission component 48, when the rotating disc 42 rotates, the second sliding bar 47 slides along a length direction of the second sliding bar 47, a touch switch 6 is disposed at one end of the second sliding bar 47 far away from the electromagnet 21, a buzzer 52 is disposed on the control circuit board 5, the touch switch 6 is electrically connected with the buzzer 52, when the secondary device of the transformer substation normally works, a space exists between the second sliding bar 47 and the touch switch 6, the buzzer 52 is in a closed state, when the secondary device of the transformer substation is short-circuited, the electromagnet 21 basically loses magnetism due to almost no current passing, at this time, under the action of the reset spring 33, the first sliding bar 31 slides in a direction far away from the electromagnet 21, and drives the rotating disc 42 to rotate through the first transmission component 46, at this time, the second sliding bar 47 also slides in a direction far away from the electromagnet 21 under the action of the second transmission component 48, and finally the second sliding bar 47 touches the touch switch 6, so that the buzzer 52 is opened to give an alarm, and the first sliding bar 31 and the second sliding bar 47 can be understood as one body.
The rotating shaft 41 is disposed on one side of the first sliding strip 31, the first transmission assembly 46 includes a first rack 461 and a driven gear 462, the first rack 461 is disposed on one side of the first sliding strip 31 close to the rotating shaft 41, the driven gear 462 is disposed on the rotating shaft 41, the first rack 461 is engaged with the driven gear 462, and when the first sliding strip 31 slides, the driven gear 462 and the rotating shaft 41 are driven to rotate, so that the rotating disc 42 rotates.
Illustratively, the rotating disc 42 is disposed on one side of the second slide bar 47, the second transmission assembly 48 includes a second rack 481, the second rack 481 is disposed on one side of the second slide bar 47 close to the rotating disc 42, a third rack 482 engaged with the second rack 481 is disposed on the outer side of the rotating disc 42, the third rack 482 is disposed along the outer periphery of the rotating disc 42, i.e. the rotating disc 42 corresponds to a gear, the second rack 481 is engaged with the third rack 482, and when the rotating disc 42 rotates, the rotating disc 42 can drive the second slide bar 47 to slide along its own length direction.
The electrode bars 44 are in an arc shape with a center on the axis of the rotating shaft 41, and the positions of the electrode bars 44 correspond to the distribution positions of the electrode columns 43, so that the bottom end of each electrode column 43 can be attached to the electrode bars 44.
The passive component 3 further includes a first fixing seat 34 fixed in the housing 1, the first sliding strip 31 slidably penetrates through the first fixing seat 34, sliding adjustment of the first sliding strip 31 along the length direction thereof is achieved through sliding fit of the first sliding strip 31 and the first fixing seat 34, a first fixing block 341 is disposed at the top of the first fixing seat 34, a second fixing block 342 opposite to the first fixing block 341 is disposed at the top of the first sliding strip 31, a return spring 33 is disposed along the length direction of the first sliding strip 31, one end of the return spring 33 is connected with the first fixing block 341, namely, one end of the return spring 33 is fixedly connected with the first sliding strip 31 through the first fixing block 341, the other end of the return spring 33 is connected with the second fixing block 342, relative fixation of the other end of the return spring 33 and the housing 1 is achieved, and the return spring 33 is ensured to play a role in resetting the first sliding strip 31.
The input assembly 2 further includes a second fixing seat 22 and a sliding rail 23, the second fixing seat 22 is fixedly disposed in the housing 1, the sliding rail 23 is disposed along a length direction of the first sliding bar 31, the electromagnet 21 is disposed at one end of the sliding rail 23, the sliding rail 23 slidably penetrates the second fixing seat 22, the sliding rail 23 is slidably connected with the second fixing seat 22 through the sliding rail 23, so that the sliding rail 23 can slide along the length direction of the first sliding bar 31, thereby driving a position of the adjusting electromagnet 21 to adjust a distance between the electromagnet 21 and the attraction block 32, thereby adjusting suction force between the electromagnet 21 and the attraction block 32 under normal conditions, and meeting use requirements of different situations, a positioning block 24 is disposed on the second fixing seat 22, the electromagnet 21 is provided with an adjusting stud 25 disposed along the length direction of the sliding rail 23, the adjusting stud 25 penetrates the positioning block 24, two fixing nuts 26 are disposed on the adjusting stud 25 and are respectively disposed at two ends of the positioning block 24, and the two fixing nuts 26 realize fixing of the adjusting stud 25, so that the fixing of the sliding rail 23 can be freely adjusted after the fixing nuts 26 are loosened.
The indicator lamp 11 includes a first lamp, a second lamp and a third lamp, where the first lamp, the second lamp and the third lamp are electrically connected to the processor, the first lamp is used to indicate that the secondary device of the transformer substation has an under-voltage phenomenon, the second lamp is used to indicate that the secondary device of the transformer substation has a high-voltage phenomenon, the third lamp is used to indicate that the secondary device of the transformer substation has a short circuit phenomenon, each lamp can emit red light and green light, when the secondary device of the transformer substation works normally, the three lamps all emit green light, and when the device has a corresponding condition, the device can be converted into red light to warn.
The fixing column 451 is disposed in the casing 1, and the fixing column 451 is fixedly connected with the conductive rod 452, one end of the conductive rod 452 is connected with the first probe 511, the other end of the conductive rod 452 is fixedly connected with the conductive rod 45, and the conductive rod 45 is fixedly connected with the conductive rod 452 through the fixing column 451 and the conductive rod 45, so that the conductive rod 45 is fixedly disposed above the rotating disc 42, in this embodiment, the conductive rod 452 is provided with a connection ring portion rotationally connected with the rotating shaft 41, so that the conductive rod 452 extends to a side of the rotating shaft 41 close to the first slider 31.
Illustratively, the two sides of the housing 1 are respectively provided with mounting blocks 12, and the mounting blocks 12 are provided with fixing holes so as to fix the housing 1 by bolts, thereby facilitating the mounting and fixing of the device.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present invention, and these modifications and substitutions should also be considered as being within the scope of the present invention.
Claims (10)
1. The utility model provides a transformer substation's secondary equipment operation trouble alarm device which characterized in that: comprises a shell, an input assembly, a driven assembly, a varistor assembly and a control circuit board, wherein the input assembly, the driven assembly, the varistor assembly and the control circuit board are arranged in the shell, the input assembly comprises an electromagnet, the driven assembly comprises a first sliding bar, an attracting block and a return spring, the first sliding bar can slide along the length direction of the first sliding bar, the attracting block is positioned at one end of the first sliding bar, the attracting block is oppositely arranged with the electromagnet, one end of the return spring is fixedly connected with the first sliding bar, the other end of the return spring is relatively fixed with the shell, the varistor assembly comprises a rotating shaft, a rotating disc, an electrode column, an electrode bar and a conductive column, the rotating shaft is rotationally connected with the shell, the rotating disc is arranged on the rotating shaft, the rotating disc is connected with the first sliding bar through a first transmission assembly, the first sliding bar can drive the rotating disc to rotate, the electrode columns penetrate through the rotating disc, the electrode columns are arranged in a plurality, the electrode columns are distributed around the axis of the rotating shaft, the electrode strips are fixedly arranged below the rotating disc, the positions of the electrode strips correspond to the positions of the electrode columns, the bottom ends of the electrode columns are in fit connection with the electrode strips, the conductive columns are fixedly arranged above the rotating disc, the bottom ends of the conductive columns are in contact with the top ends of one of the electrode columns, the control circuit board is provided with a processor and a resistance measuring module for detecting the resistance changing component, the processor is electrically connected with the resistance measuring module, the resistance measuring module is provided with a first probe and a second probe, the first probe is connected with the conductive columns, the second probe is connected with one end of the electrode strips, the shell is provided with an indicator lamp, the processor is electrically connected with the indicator lamp.
2. The substation secondary equipment operation failure warning device according to claim 1, characterized in that: the passive component further comprises a second sliding strip arranged along the length direction of the sliding strip, the second sliding strip is connected with the rotating disc through a second transmission component, one end, away from the electromagnet, of the second sliding strip is provided with a touch switch, the control circuit board is provided with a buzzer, and the touch switch is electrically connected with the buzzer.
3. The substation secondary equipment operation failure warning device according to claim 1, characterized in that: the rotation shaft is arranged on one side of the first sliding bar, the first transmission assembly comprises a first rack and a driven gear, the first rack is arranged on one side, close to the rotation shaft, of the first sliding bar, the driven gear is arranged on the rotation shaft, and the first rack is meshed with the driven gear.
4. The substation secondary equipment operation failure warning device according to claim 2, characterized in that: the rotating disc is arranged on one side of the second sliding bar, the second transmission assembly comprises a second rack, the second rack is arranged on one side, close to the rotating disc, of the second sliding bar, and a third rack meshed with the second rack is arranged on the outer side of the rotating disc.
5. The substation secondary equipment operation failure warning device according to claim 1, characterized in that: the electrode strip is arc-shaped, and the circle center of the arc-shaped electrode strip is positioned on the axis of the rotating shaft.
6. The substation secondary equipment operation failure warning device according to claim 1, characterized in that: the passive assembly further comprises a first fixing seat fixedly arranged in the shell, the first sliding strip slidably penetrates through the first fixing seat, a first fixing block is arranged at the top of the first fixing seat, a second fixing block which is arranged opposite to the first fixing block is arranged at the top of the first sliding strip, a reset spring is arranged along the length direction of the first sliding strip, one end of the reset spring is connected with the first fixing block, and the other end of the reset spring is connected with the second fixing block.
7. The substation secondary equipment operation failure warning device according to claim 1, characterized in that: the input assembly further comprises a second fixing seat and a sliding rail, the second fixing seat is fixedly arranged in the shell, the sliding rail is arranged along the length direction of the first sliding bar, the electromagnet is arranged at one end of the sliding rail, the sliding rail slidably penetrates through the second fixing seat, a positioning block is arranged on the second fixing seat, the electromagnet is provided with an adjusting stud arranged along the length direction of the sliding rail, the adjusting stud penetrates through the positioning block, and two fixing nuts are arranged on the adjusting stud and are respectively located at the fixing nuts at two ends of the positioning block.
8. The substation secondary equipment operation failure warning device according to claim 1, characterized in that: the indicator light comprises a first light, a second light and a third light, and the first light, the second light and the third light are respectively and electrically connected with the processor.
9. The substation secondary equipment operation failure warning device according to claim 1, characterized in that: the shell is internally provided with a fixed column, the fixed column is fixedly connected with a conductive rod, one end of the conductive rod is connected with the first probe, and the other end of the conductive rod is fixedly connected with the conductive column.
10. The substation secondary equipment operation failure warning device according to claim 1, characterized in that: the shell is characterized in that mounting blocks are respectively arranged on two sides of the shell, and fixing holes are formed in the mounting blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310855415.6A CN116893298A (en) | 2023-07-12 | 2023-07-12 | Operation fault alarm device for secondary equipment of transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310855415.6A CN116893298A (en) | 2023-07-12 | 2023-07-12 | Operation fault alarm device for secondary equipment of transformer substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116893298A true CN116893298A (en) | 2023-10-17 |
Family
ID=88311705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310855415.6A Pending CN116893298A (en) | 2023-07-12 | 2023-07-12 | Operation fault alarm device for secondary equipment of transformer substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116893298A (en) |
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2023
- 2023-07-12 CN CN202310855415.6A patent/CN116893298A/en active Pending
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