CN217404392U - Transformer substation's circuit induced electricity measuring pole - Google Patents

Transformer substation's circuit induced electricity measuring pole Download PDF

Info

Publication number
CN217404392U
CN217404392U CN202221149884.3U CN202221149884U CN217404392U CN 217404392 U CN217404392 U CN 217404392U CN 202221149884 U CN202221149884 U CN 202221149884U CN 217404392 U CN217404392 U CN 217404392U
Authority
CN
China
Prior art keywords
circuit
voltage
controller
display device
pole
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.)
Active
Application number
CN202221149884.3U
Other languages
Chinese (zh)
Inventor
张宇
何涛
王凯
丁常松
周福好
华云梅
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.)
State Grid Corp of China SGCC
MaAnshan Power Supply Co of State Grid Anhui Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
MaAnshan Power Supply Co of State Grid Anhui Electric Power Co Ltd
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 State Grid Corp of China SGCC, MaAnshan Power Supply Co of State Grid Anhui Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN202221149884.3U priority Critical patent/CN217404392U/en
Application granted granted Critical
Publication of CN217404392U publication Critical patent/CN217404392U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S40/00Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/126Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission

Landscapes

  • Measurement Of Current Or Voltage (AREA)

Abstract

The utility model discloses a transformer substation's circuit response electric detection pole relates to response electric measurement technical field. This transformer substation's circuit response electricity detection pole for measure the response electricity on the circuit, including gathering the pole, the upper end of gathering the pole is provided with joint Assembly, joint Assembly is used for being connected with the circuit, the lower extreme of gathering the pole is connected with the step-down pole, including transformer substation's circuit response electricity data display system, transformer substation's circuit response electricity data display system includes display device, controller, measuring circuit and alarm, display device and controller electric connection, the controller respectively with measuring circuit and alarm electric connection, step-down pole and measuring circuit electric connection. This transformer substation's circuit response electricity test bar adopts and detects and shows the components of a whole that can function independently design, ensures that measurement personnel's work is absorbed in the degree, prevents because of carrying out the electric wire netting accident that detection achievement and data observation work distracted and cause simultaneously.

Description

Transformer substation's circuit induced electricity measuring pole
Technical Field
The utility model relates to an influence electricity measurement technical field specifically is a transformer substation's circuit influence electricity measuring pole.
Background
The induced electricity is a special electric energy and is widely used in some fields of social production and life, but in some fields, the induced electricity must be prevented and eliminated, if the induced electricity is not eliminated in time, the induced electricity can cause harm to equipment and personal safety, and high attention must be paid. In the power industry line parameter test operation, induced electricity generated by adjacent live lines on a power failure line is a hidden danger for operators to seriously threaten the operation safety, and if the operators do not operate properly or violate safety measures specified in safety regulations or do not set the safety measures according to specified requirements in the operation, equipment damage still occurs to the personal injury accident. Therefore, qualitatively and quantitatively detecting the amplitude of the induced voltage on the power failure line and ensuring the personal safety of testers and the safety of test equipment are problems which need to be solved urgently.
The conventional universal substation line induction electric measurement method is to perform induction electric measurement through an electrostatic voltmeter, and the method has the defects of large quantity of equipment required to be carried, heavy weight, insufficient measurement precision and incapability of meeting the field requirements of overhaul tests.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a transformer substation's circuit response electricity measuring pole has solved following technical problem:
1. the existing induction electric measuring instruments need to carry a large number of devices and have heavy weight;
2. the existing induced electricity measuring instrument cannot qualitatively and quantitatively detect the induced electricity amplitude on a power failure line, so that effective safety guarantee is difficult to provide for testing personnel and testing equipment.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a transformer substation circuit induced electricity detection rod is used for measuring induced electricity on a circuit and comprises an acquisition rod, wherein a joint assembly is arranged at the upper end of the acquisition rod and used for being connected with the circuit, the lower end of the acquisition rod is connected with a voltage reduction rod, the transformer substation circuit induced electricity data display system comprises a display device, a controller, a measuring circuit and an alarm, the display device is electrically connected with the controller, the controller is respectively electrically connected with the measuring circuit and the alarm, the voltage reduction rod is electrically connected with the measuring circuit, and a voltage set value A and a voltage set value B are arranged in the controller;
the display device can display induction electric information;
when the amplitude of the induction voltage is larger than a set value A and is smaller than a set value B, the controller controls the alarm to give an alarm;
when the amplitude of the induction voltage is smaller than a set value A, the display device prompts a tester to perform a line test.
Preferably, the lower end of the pressure reducing rod is connected with an insulating rod.
Preferably, the insulating rod is an insulating telescopic rod.
Preferably, including power supply circuit, power supply circuit respectively with measuring circuit, controller, alarm electric connection.
Preferably, the display device comprises a wireless module, the wireless module is electrically connected with the controller, and the display device is electrically connected with the controller through the wireless module.
Preferably, the alarm is a buzzer circuit.
Preferably, the voltage-sensitive resistor is included, one end of the voltage-sensitive resistor is electrically connected with the measuring line, the other end of the voltage-sensitive resistor is grounded, and the breakover voltage of the voltage-sensitive resistor is a set value B.
Preferably, the detection rod is provided with a grounding wire connecting terminal 6, and the piezoresistor is grounded through the grounding wire connecting terminal 6.
Preferably, the display device comprises a casing and a liquid crystal display screen, and the liquid crystal display screen is arranged on the casing.
Preferably, the left and right sides of shell is provided with the handle, be provided with switch and charging socket on the shell, charging socket and power supply circuit electric connection.
(III) advantageous effects
The utility model provides a transformer substation's circuit response electricity test rod. The method has the following beneficial effects:
(1) the induced electricity detection rod for the transformer substation line can collect induced electricity on a power failure line of the transformer substation in real time and transmit the induced electricity to the controller, and when the amplitude of the induced voltage exceeds 4000V, the induced electricity is guided into the ground through the piezoresistor, so that a test instrument and personal safety are protected; when the amplitude of the induction voltage exceeds 2000V and is smaller than 4000V, the controller controls the buzzer circuit to send out a buzzing alarm, the induction voltage amplitude and the frequency data are transmitted to the data display device through the Bluetooth module to be displayed, and meanwhile, the buzzer circuit on the data display device also sends out a buzzing alarm sound; when the induced electricity is less than 2000V, the controller transmits the amplitude value and the frequency data of the induced electricity to the data display device through the Bluetooth module to be displayed, and prompts a tester to perform a line test.
(2) This transformer substation's circuit response electricity test bar adopts and detects and shows the components of a whole that can function independently design, ensures that measurement personnel's work is absorbed in the degree, prevents because of carrying out the electric wire netting accident that detection achievement and data observation work distracted and cause simultaneously.
(3) This transformer substation line faradic electricity test rod and data display device thereof passes through the length of insulating telescopic link extension measuring rod, can stretch out and draw back according to usage space and fix a position arbitrary length, adopts screw interface, can not overturn after screwing, ensures the measuring rod and the effective contact of being surveyed the circuit, very big improvement detection efficiency.
(4) This transformer substation's circuit induced electricity measuring pole is connected the earth connection between depression bar and insulating telescopic link, ensures measurement personnel's personal safety.
Drawings
FIG. 1 is a schematic view of the structure of the detection rod of the present invention;
FIG. 2 is a schematic view of a detection system;
FIG. 3 is a schematic view of a display device;
FIG. 4 is a schematic view of a data display system according to the present invention;
FIG. 5 is a schematic diagram of a measurement circuit of the present invention;
fig. 6 is a schematic view of the controller of the testing apparatus of the present invention.
In the figure: 1. the upper end is provided with a zigzag acquisition joint; 2. the lower end is provided with a zigzag acquisition joint; 3. a collection rod; 4. a pressure reducing rod; 5. a switch; 6. a grounding wire connecting terminal; 7. an insulating telescopic rod A; 8. an insulating telescopic rod B; 9. an insulating telescopic rod C; 10. a ground line; 11. a buzzer buzzing external hole; 12. a switch; 13. a housing; 14. a liquid crystal display screen; 15. a handle; 16. a charging socket.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1: realize the utility model discloses the most basic unit of function
A transformer substation circuit induced electricity detection rod is used for measuring induced electricity on a circuit and comprises an acquisition rod 3, wherein a joint assembly is arranged at the upper end of the acquisition rod 3 and used for being connected with the circuit, the lower end of the acquisition rod 3 is connected with a voltage reduction rod 4, the transformer substation circuit induced electricity data display system comprises a display device, a controller, a measuring circuit and an alarm, the display device is electrically connected with the controller, the controller is respectively electrically connected with the measuring circuit and the alarm, the voltage reduction rod 4 is electrically connected with the measuring circuit, and a voltage set value A and a voltage set value B are arranged in the controller;
the display device can display the induction electric information;
when the amplitude of the induction voltage is larger than a set value A and is smaller than a set value B, the controller controls the alarm to give an alarm;
when the induction voltage amplitude is smaller than the set value A, the display device prompts a tester to perform a line test.
Wherein: for convenient electrically conductive certain intensity that possesses simultaneously, gather pole 3 and often adopt the aluminum alloy to gather the pole, the joint Assembly includes that upper end cockscomb structure gathers and connects 1 and lower extreme cockscomb structure and gather and connect 2.
The alarm is usually a buzzer circuit.
The controller and measurement circuitry are often located inside the test stick.
The interior of the buck rod 4 is provided with a buck resistor, typically 25M Ω.
The measuring circuit comprises a first resistor R1, a first diode D1, a second diode D2, a first capacitor C1, a second capacitor C2 and a first operational amplifier U1. One end of the first resistor R1 is connected to the cathode of the first diode D1, the anode of the second diode D2, the fourth pin of the first operational amplifier U1, and the voltage-dropping resistor, the other end of the first resistor R1 is connected to the first pin of the first operational amplifier U1 and the controller, the anode of the first diode D1 is connected to the cathode of the second diode D2, one end of the second capacitor C2, one end of the first capacitor C1, the third pin of the first operational amplifier U1, and the ground, the other end of the first capacitor C1 is connected to the fifth pin of the first operational amplifier U1 and the dc power source VDD, and the other end of the second capacitor C2 is connected to the second pin of the first operational amplifier U1 and the dc power source VEE.
The voltage set point a is usually 2000V and the voltage set point B is usually 4000V.
The liquid crystal display screen can display the inductive electric value and the frequency measured by the line inductive electric detection rod.
The controller model is STM32F103C8T 6.
The controller is internally provided with a voltage set value A and a voltage set value B which are the same as the setting mode of a conventional singlechip, and the controller is mature in the prior art. In order to solve the above technical problem, the mature technology is applied in the present invention, and therefore, the detailed setting method is not repeated.
Example 2: to facilitate handheld operation
In addition to embodiment 1, the lower end of the voltage-reducing rod 4 is connected with an insulating rod.
Example 3: to adjust the length conveniently
On the basis of embodiment 2, the insulating rod is an insulating telescopic rod.
Example 4: construction of power supply circuit
On the basis of embodiment 1, including power supply circuit, power supply circuit respectively with measuring circuit, controller, alarm electric connection.
Example 5: in order to realize the separation of the display device and the detection rod
On the basis of the embodiment 1, the display device comprises a wireless module, wherein the wireless module is electrically connected with the controller, and the display device is electrically connected with the controller through the wireless module.
The wireless module is often a bluetooth module.
The Bluetooth module can realize data transmission between the detection rod and the data display device, and can also be connected with a computer or other mobile equipment of a tester for transmitting data.
Example 6: in order to prevent the danger of the induction electricity with too high amplitude
On the basis of the embodiment 1, the voltage-sensitive resistor is included, one end of the voltage-sensitive resistor is electrically connected with the measuring line, the other end of the voltage-sensitive resistor is grounded, and the conducting voltage of the voltage-sensitive resistor is a set value B. One end of the piezoresistor is electrically connected with the input end of the measuring line, and the safety of the measuring line and testing personnel can be effectively protected if a larger voltage exists.
Example 7: contact connection mode of piezoresistor
On the basis of embodiment 6, the detection rod is provided with a ground wire connection terminal 6, and the piezoresistor is grounded through the ground wire connection terminal 6.
Example 8: concrete structure of display device
On the basis of embodiment 4, the display device includes a housing 13 and a liquid crystal display 14, and the liquid crystal display 14 is provided on the housing 13.
Example 9: for facilitating holding and charging of display device
In embodiment 8, handles are provided on both left and right sides of the housing 13, the charging socket 16 is provided on the housing 13, and the charging socket 16 is electrically connected to the power supply circuit. When the alarm is a buzzer circuit, the buzzer circuit may be disposed in the housing 13, and a buzzer external hole 11 is formed at a position corresponding to the housing 13. In order to facilitate the start-stop of the display device, a switch 12 is disposed on the housing 13, and the switch 12 can switch on the power supply of the display device.
In addition, the switch 12 can also be arranged on the detection rod, so that the operation of a tester is facilitated.
In conclusion, the induced electricity detection rod for the transformer substation line can collect induced electricity on a transformer substation power failure line in real time and transmit the induced electricity to the controller, and when the amplitude of the induced voltage exceeds 4000V, the induced electricity is guided into the ground through the piezoresistor, so that the test instrument and the personal safety are protected; when the amplitude of the induction voltage exceeds 2000V and is smaller than 4000V, the controller controls the buzzer circuit to send out a buzzing alarm, the induction voltage amplitude and the frequency data are transmitted to the data display device through the Bluetooth module to be displayed, and meanwhile, the buzzer circuit on the data display device also sends out a buzzing alarm sound; when the induced electricity is less than 2000V, the controller transmits the amplitude value and the frequency data of the induced electricity to the data display device through the Bluetooth module to be displayed, and prompts a tester to perform a line test.
It should be noted that, in the description of the present invention, the terms "upper", "lower", "left", "right", "front", "back", etc. indicate the orientation or position relationship of the structure of the present invention based on the drawings, and are only for the convenience of describing the present invention, but do not indicate or imply that the device or element 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.
In the technical scheme, the terms "first" and "second" are only used for referring to the same or similar structures or corresponding structures with similar functions, and are not used for ranking the importance of the structures, or comparing the sizes or other meanings.
In addition, unless expressly stated or limited otherwise, the terms "mounted" and "connected" are to be construed broadly, e.g., the connection may be a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two structures can be directly connected or indirectly connected through an intermediate medium, and the two structures can be communicated with each other. To those skilled in the art, the specific meanings of the above terms in the present invention can be understood in relation to the present scheme in specific terms according to the general idea of the present invention.

Claims (10)

1. The utility model provides a transformer substation's circuit response electricity detection pole for the response on the measuring line, including gathering pole (3), the upper end of gathering pole (3) is provided with joint Assembly, joint Assembly is used for being connected with the circuit, the lower extreme and the depression bar (4) of gathering pole (3) are connected its characterized in that: the transformer substation line induced electricity data display system comprises a display device, a controller, a measuring circuit and an alarm, wherein the display device is electrically connected with the controller, the controller is respectively electrically connected with the measuring circuit and the alarm, the pressure reducing rod (4) is electrically connected with the measuring circuit, and a voltage set value A and a voltage set value B are arranged in the controller;
the display device can display the induction electric information;
when the amplitude of the induction voltage is larger than a set value A and is smaller than a set value B, the controller controls the alarm to give an alarm;
when the amplitude of the induction voltage is smaller than a set value A, the display device prompts a tester to perform a line test.
2. The substation line induction electric detection rod of claim 1, characterized in that: the lower end of the pressure reducing rod (4) is connected with an insulating rod.
3. The substation line induction electric detection rod of claim 2, characterized in that: the insulating rod is an insulating telescopic rod.
4. The substation line induction electric detection rod of claim 1, characterized in that: the power supply circuit is respectively electrically connected with the measuring circuit, the controller and the alarm.
5. The substation line induction electric detection rod of claim 1, characterized in that: the display device comprises a wireless module, wherein the wireless module is electrically connected with a controller, and the display device is electrically connected with the controller through the wireless module.
6. The inductive electric detection pole for substation lines as claimed in claim 1, characterized in that: the alarm is a buzzer circuit.
7. The substation line induction electric detection rod of claim 1, characterized in that: the voltage-sensitive resistor is characterized by comprising a voltage-sensitive resistor, wherein one end of the voltage-sensitive resistor is electrically connected with a measuring line, the other end of the voltage-sensitive resistor is grounded, and the breakover voltage of the voltage-sensitive resistor is a set value B.
8. The substation line induction electric detection rod of claim 7, characterized in that: the detection rod is provided with a grounding wire connecting terminal (6), and the piezoresistor is grounded through the grounding wire connecting terminal (6).
9. The substation line induction electric detection rod of claim 4, characterized in that: the display device comprises a shell (13) and a liquid crystal display screen (14), wherein the liquid crystal display screen (14) is arranged on the shell (13).
10. The substation line induction electric detection rod of claim 9, characterized in that: the left and right sides of shell (13) is provided with the handle, be provided with switch (12) and charging socket (16) on shell (13), charging socket (16) and power supply circuit electric connection.
CN202221149884.3U 2022-05-13 2022-05-13 Transformer substation's circuit induced electricity measuring pole Active CN217404392U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221149884.3U CN217404392U (en) 2022-05-13 2022-05-13 Transformer substation's circuit induced electricity measuring pole

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221149884.3U CN217404392U (en) 2022-05-13 2022-05-13 Transformer substation's circuit induced electricity measuring pole

Publications (1)

Publication Number Publication Date
CN217404392U true CN217404392U (en) 2022-09-09

Family

ID=83144646

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221149884.3U Active CN217404392U (en) 2022-05-13 2022-05-13 Transformer substation's circuit induced electricity measuring pole

Country Status (1)

Country Link
CN (1) CN217404392U (en)

Similar Documents

Publication Publication Date Title
CN104678259A (en) Single-phase earth fault finding device
CN201965184U (en) Split type grounding downlead conduction resistance test instrument
CN106841810A (en) Insulator detector
CN110687478A (en) Non-contact wireless pincerlike arrester live-line detection device and test method
CN204422659U (en) A kind of grounding net of transformer substation Transient grounding resistance and the automatic test diagnosis equipment of response
CN217404392U (en) Transformer substation's circuit induced electricity measuring pole
CN206002564U (en) A kind of dielectric loss and insulation resistance test conversion equipment and pilot system
CN211603346U (en) On-line monitoring system for grounding resistance of transformer substation grounding transformer system
CN2433635Y (en) Testing instrument for fault of conducting wire
CN105572517A (en) Online monitoring type intelligent electrified switching-in protection device of lightning arrester and control method
CN207281231U (en) A kind of insulator detection device easy to working at height
CN204575773U (en) The impedance of grounding net of transformer substation frequency sweep and the automatic test diagnosis equipment of amplitude-frequency response
CN209327442U (en) A kind of field step voltage detection device with mobile interchange function
CN106771631A (en) A kind of down conductor conducting resistance test device
CN204789864U (en) Phase to earth fault seeks device
CN201017453Y (en) Circuit apparatus of electric network harmonic wireless detector
CN210517428U (en) Distributed system structure inside electric cabinet
CN212433359U (en) Power transmission line grounding fault searching instrument
CN210243745U (en) Intelligent ground resistance monitoring terminal of highway lightning grounding device
CN105629138A (en) Multifunctional suspension type porcelain insulator on-line detector
CN208314105U (en) A kind of split type leakage current monitoring device and leakage current test system
CN206270414U (en) A kind of down conductor conducting resistance test device
CN209878881U (en) Detection device for circuit continuity
CN202083766U (en) High voltage grounding line selection apparatus
CN213069061U (en) Portable impact high voltage generator

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant