CN211785758U - Overload alarm mechanism for low-current grounding line selection device - Google Patents

Overload alarm mechanism for low-current grounding line selection device Download PDF

Info

Publication number
CN211785758U
CN211785758U CN201921889256.7U CN201921889256U CN211785758U CN 211785758 U CN211785758 U CN 211785758U CN 201921889256 U CN201921889256 U CN 201921889256U CN 211785758 U CN211785758 U CN 211785758U
Authority
CN
China
Prior art keywords
line selection
screw rod
selection device
grounding line
fixed frame
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201921889256.7U
Other languages
Chinese (zh)
Inventor
徐思旸
范剑英
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Harbin University of Science and Technology
Original Assignee
Harbin University of Science and Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Harbin University of Science and Technology filed Critical Harbin University of Science and Technology
Priority to CN201921889256.7U priority Critical patent/CN211785758U/en
Application granted granted Critical
Publication of CN211785758U publication Critical patent/CN211785758U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Emergency Alarm Devices (AREA)

Abstract

The utility model discloses a undercurrent ground connection line selection overload alarm mechanism for device, including casing, display screen, keypad, connecting plate, fixed frame, support frame, sucking disc, bee calling organ, alarm lamp, singlechip, time-recorder, the mutual inductance circuit of voltage, data collection station, the mutual inductance circuit of electric current, wireless transceiver module, slider, spout, through-hole, screw rod, connecting hole, guide bar, driving plate, push rod and adjusting nut. The utility model discloses rational in infrastructure, through rotating the inside adjusting nut of fixed frame, adjusting nut and screw rod threaded connection, the one end of screw rod is passed the through-hole and is moved down, the one end of screw rod promotes the driving plate and passes through the connecting hole and the guide bar slides, the one end of driving plate promotes push rod and sucking disc and shifts out from the support frame, fixes this device at the top of undercurrent ground connection route selection device through the sucking disc, drives the slider through fixed frame and removes at the inside spout of connecting plate to the position of adjustment sucking disc is convenient fixed.

Description

Overload alarm mechanism for low-current grounding line selection device
Technical Field
The utility model relates to an alarm mechanism specifically is an overcurrent alarm mechanism for undercurrent ground connection route selection device belongs to undercurrent route selection device application technical field.
Background
The small current line selection is fully called small current grounding line selection device, short for small current, is a protection device used in the power industry, is suitable for single-phase grounding line selection of a 3 KV-66 KV neutral point ungrounded or neutral point grounding system through a resistor and an arc suppression coil, is used for power supply systems of transformer substations, power plants and hydropower stations of power systems and large-scale industrial and mining enterprises of chemical industry, oil extraction, metallurgy, coal, railway and the like, and can indicate lines with single-phase grounding faults.
The warning lamp of the existing general low-current grounding line selection device is a 3mm light-emitting diode, when a system has a grounding fault, the warning lamp is bright and low in brightness, and operators on duty are difficult to find when giving an alarm, so that missing judgment is easy to occur, the overload time is prolonged, and the overload influence range is enlarged. Therefore, an overload warning mechanism for a low-current grounding line selection device is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a undercurrent ground connection line selection overload alarm mechanism for device just in order to solve above-mentioned problem.
The utility model realizes the above purpose through the following technical proposal, an overload alarm mechanism for a small current grounding line selection device comprises a shell, an alarm device and a fixing device;
the alarm device comprises a display screen and a key board which are arranged on the side wall of one end of the shell, a data collector, a wireless transceiver module, a single chip microcomputer and a timer are arranged in the shell, a voltage mutual inductance circuit and a current mutual inductance circuit are arranged in the shell, and the data collector is arranged at the top end in the shell;
fixing device includes the connecting plate of fixed connection in the casing bottom, open the inside of connecting plate has the spout, the inside sliding connection slider of spout, the fixed frame of bottom fixed connection of slider, open the bottom of fixed frame has the through-hole.
Preferably, the inside sliding connection screw rod of through-hole, just the one end threaded connection adjusting nut of screw rod, adjusting nut rotates to be connected in fixed frame.
Preferably, the bottom fixed connection support frame of fixed frame, just the equal fixed connection guide bar in inside both sides of support frame.
Preferably, the bottom end of the screw rod is fixedly connected with the transmission plate, the bottom end of the transmission plate is fixedly connected with one end of the push rod, and the other end of the push rod is fixedly connected with the sucker.
Preferably, the inner parts of the two ends of the transmission plate are both provided with connecting holes, and the inner parts of the connecting holes are connected with the guide rods in a sliding manner.
Preferably, the top of casing is installed bee calling organ and alarm lamp, just bee calling organ, alarm lamp, display screen, time-recorder, mutual inductance circuit of voltage, data collection station, the mutual inductance circuit of electric current, the equal electric connection singlechip of wireless transceiver module.
The utility model has the advantages that:
through rotating the inside adjusting nut of fixed frame, adjusting nut and screw rod threaded connection, the one end of screw rod is passed the through-hole and is moved down, and the one end of screw rod promotes the driving plate and passes through the connecting hole and slide with the guide bar, and the one end of driving plate promotes push rod and sucking disc and shifts out from the support frame in, fixes this device at the top of undercurrent ground connection route selection device through the sucking disc, drives the slider through fixed frame and removes at the inside spout of connecting plate to the position of adjustment sucking disc, convenient fixed.
Through the inside with the mutual inductance circuit of electric connection undercurrent ground connection route selection device respectively with the mutual inductance circuit of voltage, through the mutual inductance circuit of voltage, the mutual inductance circuit of current monitors the inside overload of ground route selection device, record through data collection station, the time-recorder begins the timing, the singlechip receives information control bee calling organ and alarm lamp work, the person on duty is reminded in bee calling organ sound production and the work of alarm lamp, if the person on duty in time removes the alarm, the time-recorder stops, when the person on duty does not discover in time, the time-recorder reachs the preset time, singlechip control wireless transceiver module is with information transfer to external control computer or cell-phone, in time inform personnel to handle.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic structural view of the front view of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
fig. 3 is a partially enlarged view of a portion a in fig. 2 according to the present invention;
fig. 4 is a schematic diagram of the circuit principle of the present invention.
In the figure: 1. the device comprises a shell, 2, a display screen, 3, a key board, 4, a connecting board, 5, a fixing frame, 6, a supporting frame, 7, a sucker, 8, a buzzer, 9, an alarm lamp, 10, a single chip microcomputer, 11, a timer, 12, a voltage mutual inductance circuit, 13, a data acquisition unit, 14, a current mutual inductance circuit, 15, a wireless transceiving module, 16, a sliding block, 17, a sliding groove, 18, a through hole, 19, a screw rod, 20, a connecting hole, 21, a guide rod, 22, a transmission plate, 23, a push rod, 24 and an adjusting nut.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Referring to fig. 1-4, an overload alarm mechanism for a low-current grounding line selection device includes a housing 1, an alarm device and a fixing device;
the alarm device comprises a display screen 2 and a key board 3 which are arranged on the side wall of one end of a shell 1, a data collector 13, a wireless transceiver module 15, a single chip microcomputer 10 and a timer 11 are arranged inside the shell 1, a voltage mutual inductance circuit 12 and a current mutual inductance circuit 14 are arranged inside the shell 1, the data collector 13 is arranged at the top end inside the shell 1, multi-azimuth alarm is achieved, faults can be processed conveniently in time, and loss caused by overload is reduced;
fixing device includes connecting plate 4 of fixed connection in 1 bottom of casing, open the inside of connecting plate 4 has spout 17, spout 17's inside sliding connection slider 16, the fixed frame 5 of bottom fixed connection of slider 16, open the bottom of fixed frame 5 has through-hole 18, and convenient fixed, convenient to use and dismantlement.
The screw rod 19 is connected with the inside of the through hole 18 in a sliding mode, one end of the screw rod 19 is connected with the adjusting nut 24 in a threaded mode, and the adjusting nut 24 is connected in the fixing frame 5 in a rotating mode, so that the structure is more reasonable, and the connection is convenient; the bottom end of the fixed frame 5 is fixedly connected with the support frame 6, and two sides of the inside of the support frame 6 are fixedly connected with the guide rods 21, so that the structure is more reasonable and the connection is convenient; the bottom end of the screw rod 19 is fixedly connected with a transmission plate 22, the bottom end of the transmission plate 22 is fixedly connected with one end of a push rod 23, and the other end of the push rod 23 is fixedly connected with a sucker 7, so that the structure is more reasonable, and the fixation is convenient; the inner parts of two ends of the transmission plate 22 are provided with the connecting holes 20, and the inner parts of the connecting holes 20 are connected with the guide rods 21 in a sliding manner, so that the structure is more reasonable and the connection is convenient; buzzer 8 and alarm lamp 9 are installed to the top of casing 1, just buzzer 8, alarm lamp 9, display screen 2, time-recorder 11, the mutual inductive circuit of voltage 12, data collection station 13, the mutual inductive circuit of electric current 14, the equal electric connection singlechip 10 of wireless transceiver module 15, and the structure is more reasonable, is convenient for connect.
When the utility model is used, firstly, the electrical components in the device are all externally connected with a control switch and a power supply, then the adjusting nut 24 in the fixing frame 5 is rotated, the adjusting nut 24 is in threaded connection with the screw rod 19, one end of the screw rod 19 passes through the through hole 18 to move downwards, one end of the screw rod 19 pushes the transmission plate 22 to slide with the guide rod 21 through the connecting hole 20, one end of the transmission plate 22 pushes the push rod 23 and the sucker 7 to move out of the support frame 6, the device is fixed at the top of the small current grounding line selection device through the sucker 7, the fixing frame 5 drives the slider 16 to move in the chute 17 in the connecting plate 4, thereby adjusting the position of the sucker 7, being convenient to fix, the current mutual inductance circuit 14 and the voltage mutual inductance circuit 12 are respectively and electrically connected with the inside of the small current grounding line selection device, the internal overload of the grounding line selection device is monitored through the voltage mutual, carry out the record through data acquisition unit 13, time-recorder 11 begins the timing, singlechip 10 receives information control bee calling organ 8 and alarm lamp 9 work, and bee calling organ 8 sound production and alarm lamp 9 scintillation remind the person on duty, if the person on duty in time removes the alarm, time-recorder 11 stops, when the person on duty does not in time discover, time-recorder 11 reachs the preset time, singlechip 10 control wireless transceiver module 15 with information transfer to external control computer or cell-phone, in time inform personnel to handle.
The buzzer 8 adopts a buzzer which is sold by electromechanical equipment Limited of the Heijin and has the model number AD16-30M/W31 and a related matched power supply and circuit.
The alarm lamp 9 is a warning lamp of type LJ-1101l sold by an upheaval science and technology official flagship store and a related matched power supply and circuit thereof.
The single chip microcomputer 10 adopts a microcontroller which is sold by Shenzhen Tiansheng electronic Limited and has the model number STM32F103R8T6 and a related matched power supply and circuit thereof.
The timer 11 is an industrial timer sold by new wang electronics ltd of le qing with model number KG316T and its related power supply and circuit.
The data collector 13 adopts a data wireless module sold by Huaqian micro technology development Limited in Shenzhen, and the model number is HKW-40TR, and a related matched power supply and circuit thereof.
The wireless transceiver module 15 adopts a wireless WiFi module of type YM101 sold by YMIOT official flagship store and its related matching power supply and circuit.
It is well within the skill of those in the art to implement, without undue experimentation, the present invention does not relate to software and process improvements, as related to circuits and electronic components and modules.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (6)

1. The utility model provides a undercurrent ground connection line selection overload alarm mechanism for device which characterized in that: comprises a shell (1), an alarm device and a fixing device;
the alarm device comprises a display screen (2) and a key board (3) which are arranged on the side wall of one end of a shell (1), a data collector (13), a wireless transceiver module (15), a single chip microcomputer (10) and a timer (11) are arranged inside the shell (1), a voltage mutual inductance circuit (12) and a current mutual inductance circuit (14) are arranged inside the shell (1), and the data collector (13) is arranged at the top end inside the shell (1);
fixing device includes connecting plate (4) of fixed connection in casing (1) bottom, open the inside of connecting plate (4) has spout (17), the inside sliding connection slider (16) of spout (17), the fixed frame (5) of bottom fixed connection of slider (16), open the bottom of fixed frame (5) has through-hole (18).
2. The overload warning mechanism for the low-current grounding line selection device according to claim 1, wherein: the inside sliding connection screw rod (19) of through-hole (18), just one end threaded connection adjusting nut (24) of screw rod (19), adjusting nut (24) rotate to be connected in fixed frame (5).
3. The overload warning mechanism for the low-current grounding line selection device according to claim 1, wherein: the bottom end of the fixed frame (5) is fixedly connected with the support frame (6), and the two sides of the inside of the support frame (6) are fixedly connected with the guide rods (21).
4. The overload warning mechanism for the low-current grounding line selection device according to claim 2, characterized in that: the bottom fixed connection driving plate (22) of screw rod (19), just the bottom fixed connection one end of push rod (23) of driving plate (22), the other end fixed connection sucking disc (7) of push rod (23).
5. The overload warning mechanism for the low-current grounding line selection device according to claim 4, wherein: the inner parts of two ends of the transmission plate (22) are respectively provided with a connecting hole (20), and the inner parts of the connecting holes (20) are connected with the guide rod (21) in a sliding manner.
6. The overload warning mechanism for the low-current grounding line selection device according to claim 1, wherein: buzzer (8) and alarm lamp (9) are installed on the top of casing (1), just buzzer (8), alarm lamp (9), display screen (2), time-recorder (11), mutual inductive circuit of voltage (12), data collection station (13), mutual inductive circuit of electric current (14), wireless transceiver module (15) equal electric connection singlechip (10).
CN201921889256.7U 2019-11-05 2019-11-05 Overload alarm mechanism for low-current grounding line selection device Expired - Fee Related CN211785758U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921889256.7U CN211785758U (en) 2019-11-05 2019-11-05 Overload alarm mechanism for low-current grounding line selection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921889256.7U CN211785758U (en) 2019-11-05 2019-11-05 Overload alarm mechanism for low-current grounding line selection device

Publications (1)

Publication Number Publication Date
CN211785758U true CN211785758U (en) 2020-10-27

Family

ID=72962666

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921889256.7U Expired - Fee Related CN211785758U (en) 2019-11-05 2019-11-05 Overload alarm mechanism for low-current grounding line selection device

Country Status (1)

Country Link
CN (1) CN211785758U (en)

Similar Documents

Publication Publication Date Title
CN211785758U (en) Overload alarm mechanism for low-current grounding line selection device
CN209878843U (en) Smart electric meter detection device
CN113571321A (en) Quick-connection protection device for transformer installation
CN202256430U (en) Novel guide rail type installed single-phase electric energy meter and installation device thereof
CN109253815B (en) Wireless temperature sensor and application thereof
CN208872807U (en) A kind of retrospective high-voltage electric energy measurement table
CN206057395U (en) A kind of ammeter binding post
CN210985666U (en) Mounting structure of voltage compensation circuit of static var generator
CN203191086U (en) Wireless temperature measurement concentration display apparatus
CN216646592U (en) Safe small-size smart electric meter
CN207398378U (en) A kind of bus adaption device for breaker
CN206057396U (en) A kind of practical ammeter binding post
CN221783565U (en) Outdoor weak current case is with intelligent lightning protection PDU who takes earth leakage protection
CN206057394U (en) A kind of ammeter binding post
CN210270002U (en) Three-phase multifunctional electric power instrument with remote data transmission function
CN216560840U (en) Medium resistance type line selection structure for small current line selection device
CN203881898U (en) Movable type insulation monitoring device applied to direct current system loop circuit
CN216216083U (en) Electric power intelligent instrument capable of powering on and off through remote system
CN210628080U (en) Transformer capable of adjusting resistance value in electrified mode
CN213484346U (en) Portable device for managing secondary safety measures of transformer substation
CN218299540U (en) Over-temperature protection switching power supply transformer
CN209642313U (en) A kind of modular Surge Protector easily assembled
CN117856084B (en) Uninterrupted meter replacing device for electric power
CN221305321U (en) Distribution box with leakage protection function
CN219286145U (en) Safety protection device for transformer

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20201027

Termination date: 20211105

CF01 Termination of patent right due to non-payment of annual fee