CN212726459U

CN212726459U - Line protection integrated measurement and control device

Info

Publication number: CN212726459U
Application number: CN202021666900.7U
Authority: CN
Inventors: 胡小刚; 汤媛媛; 胡刚; 李宏宇; 常椿; 乔毅立; 樊海鸽; 徐伟友; 韩斐
Original assignee: Nanjing Hongjing Smart Grid Technology Co ltd
Current assignee: Nanjing Hongjing Smart Grid Technology Co ltd
Priority date: 2020-08-12
Filing date: 2020-08-12
Publication date: 2021-03-16
Anticipated expiration: 2030-08-12

Abstract

The utility model discloses a line protection integration measurement and control device relates to circuit protection technical field, and is not good for the detectivity who solves the circuit, and measurement and control in-process measurement accuracy appears the error, leads to measurement and control device to the guard action greatly reduced of circuit easily, need detect measurement and control device comprehensively when breaking down, increased the problem of maintenance time and the degree of difficulty. One side of base is provided with the circuit board, and the circuit board passes through bolted connection with the base, the top of circuit board is provided with 485 communication ware, treater, voltage sensor and current sensor, and 485 communication ware, treater, voltage sensor and current sensor are connected with circuit board tin soldering, one side of base is provided with the inlet wire, treat to be provided with the circuit breaker on the survey line, and the circuit breaker with the circuit electric connection that awaits measuring, the opposite side of base is provided with the lead-out wire, 485 communication ware, voltage sensor and current sensor all with treater electric connection.

Description

Line protection integrated measurement and control device

Technical Field

The utility model relates to a circuit protection technical field specifically is a circuit protection integration measurement and control device.

Background

The measurement and control device is mainly applied to circuit protection in a circuit, the circuit protection mainly protects components in an electronic circuit from being damaged under the conditions of overvoltage, overcurrent, surge, electromagnetic interference and the like, along with the development of scientific technology, electric power/electronic products are increasingly diversified and complicated, applied circuit protection elements are simple glass tube fuses except for Sunday, and generally, protection devices comprise piezoresistors, TVS, gas discharge tubes and the like. The measurement and control device integrates multiple functions of protection, measurement, control, monitoring, communication, event recording, fault recording, misoperation prevention and the like. The transformer substation protection and fault-locking prevention device can be matched with a joyo series comprehensive operation system to complete transformer substation control, protection, fault-locking prevention and local functions, and can also independently complete a set of small and medium-sized unattended transformer substations of 110kv or below or complete a set of protection and measurement monitoring functions of medium and low voltage sides of transformer substations of 220kv or above.

At present, when using integration measurement and control device to protect the circuit, it is not good to the detectivity of circuit, and measurement accuracy error appears in the measurement and control in-process, leads to measurement and control device to the guard action greatly reduced of circuit easily, need detect measurement and control device comprehensively when breaking down, has increased the maintenance time and the degree of difficulty, can not satisfy the user demand. Therefore, a line protection integrated measurement and control device is urgently needed in the market to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a line protection integration measurement and control device to the detectivity who provides the circuit in solving above-mentioned background art is not good, and measurement and control in-process measurement accuracy appears the error, leads to measurement and control device to the guard action greatly reduced of circuit easily, need detect measurement and control device comprehensively when breaking down, has increased the maintenance time and the degree of difficulty, can not satisfy user demand's problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a circuit protection integration measurement and control device, includes circuit and the base that awaits measuring, one side of base is provided with the circuit board, and the circuit board passes through the screw connection with the base, the top of circuit board is provided with 485 communication ware, treater, voltage sensor and current sensor, and 485 communication ware, treater, voltage sensor and current sensor are connected with the circuit board tin soldering, one side of base is provided with the inlet wire that draws, and the one end of leading the inlet wire run through base and current sensor and with voltage sensor electric connection, treat to be provided with the circuit breaker on the survey line, and circuit breaker and the circuit electric connection that awaits measuring, the opposite side of base is provided with the lead-out wire, and the lead-out wire respectively with treater and circuit breaker electric connection, 485 communication ware, voltage sensor and current sensor all with treater electric connection.

Preferably, the top of introducing the line is provided with the connecting block, and the connecting block respectively with the circuit and the introducing line electric connection that await measuring, the outside of connecting block is provided with the rubber sleeve, and the rubber sleeve passes through the screw connection with the introducing line, be provided with temperature sensor between rubber sleeve and the connecting block, and the inner wall laminating of temperature sensor and rubber sleeve is connected, temperature sensor and treater electric connection.

Preferably, the below of base is provided with the power cord, and the one end of power cord run through the base and with circuit board electric connection, lead-in line, lead-out wire and power cord are provided with the line cover with base contact department, and the line cover is laminated with lead-in line, lead-out wire and power cord respectively mutually, the line cover is joggled with the base.

Preferably, one side of base is provided with the casing, and the casing passes through screw connection with the base, one side of casing is provided with the display screen, one side of display screen is provided with fault indicator and siren, the below of display screen is provided with switch and button, and display screen, fault indicator, siren, switch and button all pass through screw connection with the casing, display screen, fault indicator, siren, switch and button all with treater electric connection.

Preferably, be provided with sealed the pad between casing and the base, and sealed pad is laminated with casing and base mutually respectively, one side of base is provided with the radiating groove, and the one end of radiating groove runs through the casing and extends to the inboard of casing, the inside of radiating groove is provided with the dust screen, and the inner wall laminating of dust screen and radiating groove is connected.

Preferably, the inside of base is provided with insulating the pad, and insulating the pad is connected with the inside laminating of base, the both sides of base all are provided with the fixed block, and fixed block and base set up structure as an organic whole.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model can detect the circulating voltage of the line to be detected by the voltage sensor through the arrangement of the voltage sensor, the current sensor, the circuit breaker and the temperature sensor, and the circuit breaker is triggered when the voltage is too large, thereby preventing the damage of overvoltage or electrostatic discharge to electronic components; the circulating current of the line to be detected can be detected by the current sensor, and the breaker is triggered when the current is too large, so that the damage of components in the circuit caused by exceeding rated current is prevented; the temperature sensor can be used for detecting the external temperature environment of the line to be detected, and the circuit breaker is triggered when the temperature is too high, so that the circuit is prevented from being burnt down due to high temperature. The problem of can detect multinomial detection to the circuit, can in time cut off the circuit when the circuit appears unusually to protect the circuit is solved.

2. The utility model discloses a device passes through the setting of fault indicator and siren, can trigger the siren when circuit observes and controls the in-process and takes place unusually to send out the police dispatch newspaper and warn, the staff in time sharp circuit trouble of being convenient for, the fault indicator is provided with a plurality ofly, does not have a detection device that the pilot lamp corresponds, can light corresponding pilot lamp when detecting the device detection anomaly, thereby demonstrate the fault reason. The problem of can trigger the siren when measurement and control device detects unusually to warn and trouble pilot lamp then can light when breaking down, the staff of being convenient for maintains the trouble fast is solved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a side view of the present invention;

fig. 4 is a connection relationship diagram of the lead-in wire and the line to be tested according to the present invention.

In the figure: 1. a line to be tested; 2. a base; 3. a fixed block; 4. a circuit breaker; 5. a rubber sleeve; 6. connecting blocks; 7. leading in a wire; 8. an outgoing line; 9. a power line; 10. an insulating pad; 11. a circuit board; 12. 485 communication devices; 13. a processor; 14. a voltage sensor; 15. a current sensor; 16. a wire sleeve; 17. a housing; 18. a display screen; 19. a fault indicator light; 20. an alarm; 21. a switch; 22. pressing a key; 23. a heat sink; 24. a dust screen; 25. a gasket; 26. a temperature sensor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, the present invention provides an embodiment: a circuit protection integrated measurement and control device comprises a circuit to be measured 1 and a base 2, a circuit board 11 is arranged on one side of the base 2, the circuit board 11 is connected with the base 2 through screws, a 485 communicator 12, a processor 13, a voltage sensor 14 and a current sensor 15 are arranged above the circuit board 11, the 485 communicator 12, the processor 13, the voltage sensor 14 and the current sensor 15 are in tin soldering connection with the circuit board 11, the 485 communicator 12 can share data with a terminal, the voltage sensor 14 can detect the magnitude of voltage flowing through the circuit, the current sensor 15 can detect the magnitude of current flowing through the circuit, a lead-in wire 7 is arranged on one side of the base 2, one end of the lead-in wire 7 penetrates through the base 2 and the current sensor 15 and is electrically connected with the voltage sensor 14, a circuit breaker 4 is arranged on the circuit to be measured 1, and the circuit breaker 4 is electrically connected with the circuit to be, the circuit breaker 4 can trigger when observing and controling unusually to cut off the circuit, protect the circuit, the opposite side of base 2 is provided with lead-out wire 8, and lead-out wire 8 respectively with treater 13 and circuit breaker 4 electric connection, 485 communicator 12, voltage sensor 14 and current sensor 15 all with treater 13 electric connection.

Further, the top of incoming line 7 is provided with connecting block 6, and connecting block 6 respectively with the circuit 1 that awaits measuring and 7 electric connection of incoming line, the outside of connecting block 6 is provided with rubber sleeve 5, and rubber sleeve 5 passes through the screw connection with incoming line 7, is provided with temperature sensor 26 between rubber sleeve 5 and the connecting block 6, and temperature sensor 26 is connected with the inner wall laminating of rubber sleeve 5,

temperature sensor

26 and 13 electric connection of treater. The temperature sensor 26 can detect the temperature environment outside the line 1 to be measured, thereby detecting the temperature of the line 1 to be measured.

Further, the below of base 2 is provided with power cord 9, and the one end of power cord 9 runs through base 2 and with circuit board 11 electric connection, and inlet wire 7, leading-out wire 8 and power cord 9 are provided with line cover 16 with base 2 contact department, and line cover 16 is laminated with inlet wire 7, leading-out wire 8 and power cord 9 respectively mutually, and line cover 16 and base 2 joggle. The connection part can be protected by the wire sleeve 16, so that the lead-in wire 7, the lead-out wire 8 and the power wire 9 are prevented from being bent and damaged.

Further, one side of base 2 is provided with casing 17, and casing 17 passes through bolted connection with base 2, one side of casing 17 is provided with display screen 18, one side of display screen 18 is provided with trouble lamp 19 and siren 20, the below of display screen 18 is provided with switch 21 and button 22, and display screen 18, trouble lamp 19, siren 20, switch 21 and button 22 all pass through bolted connection with casing 17, display screen 18, trouble lamp 19, siren 20, switch 21 and button 22 all with treater 13 electric connection. The alarm 20 can warn when an abnormality occurs, so as to prompt a worker, and the fault indicator lamp 19 can indicate the occurrence of a fault, so that the worker can conveniently deal with the fault.

Further, a sealing gasket 25 is arranged between the shell 17 and the base 2, the sealing gasket 25 is respectively attached to the shell 17 and the base 2, a heat dissipation groove 23 is formed in one side of the base 2, one end of the heat dissipation groove 23 penetrates through the shell 17 and extends to the inner side of the shell 17, a dust screen 24 is arranged inside the heat dissipation groove 23, and the dust screen 24 is attached to the inner wall of the heat dissipation groove 23. The heat inside the measurement and control device can be conducted away through the heat dissipation groove 23, and the dust screen 24 can prevent external dust from entering.

Further, the inside of base 2 is provided with insulating pad 10, and insulating pad 10 is connected with the inside laminating of base 2, and the both sides of base 2 all are provided with fixed block 3, and fixed block 3 sets up structure as an organic whole with base 2. The insulating pad 10 can isolate the electrostatic effect and improve the use safety performance.

The working principle is as follows: during the use, insert circuit breaker 4 into the circuit, carry out electric connection with connecting block 6 and circuit 1 that awaits measuring to use rubber sleeve 5 parcel naked circuit. And the leading-in wire 7 and the leading-out wire 8 are used for connecting the connecting block 6 and the circuit breaker 4 with the measurement and control device. The current flowing through the line 1 to be detected is led into the measurement and control device by the lead-in wire 7, the current flowing through the line 1 to be detected can be indirectly detected by the aid of the current sensor 15, the voltage flowing through the line 1 to be detected can be indirectly detected by the voltage sensor 14, the temperature around the line 1 to be detected can be detected by the temperature sensor 26, the data detected by the voltage sensor 14, the current sensor 15 and the temperature sensor 26 are transmitted to the processor 13 for processing, the circuit breaker 4 is triggered when the data comparison is abnormal, and therefore the circuit is cut off and can be protected. When the measurement and control are abnormal, the alarm 20 is triggered to warn, and the fault indicator lamp 19 can accurately display a fault point, so that subsequent workers can conveniently overhaul. The model of the circuit breaker 4 is DZ47-60A, the model of the processor 13 is STC89C51 singlechip, the model of the voltage sensor 14 is HV16-P, the model of the current sensor 15 is TECT-10, and the model of the temperature sensor 26 is PT 1000.

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.

Claims

1. The utility model provides a line protection integration measurement and control device, includes circuit (1) and base (2) that await measuring, its characterized in that: one side of the base (2) is provided with a circuit board (11), the circuit board (11) is connected with the base (2) through screws, a 485 communicator (12), a processor (13), a voltage sensor (14) and a current sensor (15) are arranged above the circuit board (11), the 485 communicator (12), the processor (13), the voltage sensor (14) and the current sensor (15) are connected with the circuit board (11) in a soldering mode, one side of the base (2) is provided with a lead-in wire (7), one end of the lead-in wire (7) penetrates through the base (2) and the current sensor (15) and is electrically connected with the voltage sensor (14), a circuit breaker (4) is arranged on the circuit to be tested (1), the circuit breaker (4) is electrically connected with the circuit to be tested (1), the other side of the base (2) is provided with a lead-out wire (8), and the lead-out wire (8) is electrically connected with the processor (13) and the circuit breaker (4, the 485 communicator (12), the voltage sensor (14) and the current sensor (15) are electrically connected with the processor (13).

2. The integrated line protection measurement and control device of claim 1, wherein: draw the top of inlet wire (7) and be provided with connecting block (6), and connecting block (6) respectively with await measuring circuit (1) and draw inlet wire (7) electric connection, the outside of connecting block (6) is provided with rubber sleeve (5), and rubber sleeve (5) with draw inlet wire (7) and pass through the screw connection, be provided with temperature sensor (26) between rubber sleeve (5) and connecting block (6), and temperature sensor (26) are connected with the inner wall laminating of rubber sleeve (5), temperature sensor (26) and treater (13) electric connection.

3. The integrated line protection measurement and control device of claim 1, wherein: the utility model discloses a lead wire, including base (2), lead wire cover (16), base (2), lead wire (7), lead-out wire (8) and power cord (9), lead wire cover (16) and laminate with lead wire (7), lead-out wire (8) and power cord (9) respectively, the below of base (2) is provided with power cord (9), and the one end of power cord (9) run through base (2) and with circuit board (11) electric connection, lead wire cover (7), lead-out wire (8) and power cord (9) contact department, and line cover (16) and lead wire (7), lead-out wire (8).

4. The integrated line protection measurement and control device of claim 1, wherein: one side of base (2) is provided with casing (17), and casing (17) and base (2) pass through bolted connection, one side of casing (17) is provided with display screen (18), one side of display screen (18) is provided with trouble lamp (19) and siren (20), the below of display screen (18) is provided with switch (21) and button (22), and display screen (18), trouble lamp (19), siren (20), switch (21) and button (22) all pass through bolted connection with casing (17), display screen (18), trouble lamp (19), siren (20), switch (21) and button (22) all with treater (13) electric connection.

5. The integrated line protection measurement and control device of claim 4, wherein: be provided with sealed pad (25) between casing (17) and base (2), and sealed pad (25) laminate with casing (17) and base (2) respectively mutually, one side of base (2) is provided with radiating groove (23), and the one end of radiating groove (23) runs through casing (17) and extends to the inboard of casing (17), the inside of radiating groove (23) is provided with dust screen (24), and dust screen (24) are connected with the inner wall laminating of radiating groove (23).

6. The integrated line protection measurement and control device of claim 1, wherein: the inside of base (2) is provided with insulating pad (10), and insulating pad (10) is connected with the inside laminating of base (2), the both sides of base (2) all are provided with fixed block (3), and fixed block (3) and base (2) set up structure as an organic whole.