CN205643658U - Ripple measuring device - Google Patents

Ripple measuring device Download PDF

Info

Publication number
CN205643658U
CN205643658U CN201620481620.6U CN201620481620U CN205643658U CN 205643658 U CN205643658 U CN 205643658U CN 201620481620 U CN201620481620 U CN 201620481620U CN 205643658 U CN205643658 U CN 205643658U
Authority
CN
China
Prior art keywords
ckj
integrated circuit
insulation
resistance
protection
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
CN201620481620.6U
Other languages
Chinese (zh)
Inventor
苗堃
郭红梅
霍明霞
李健
刘洋
韩永哲
胡智鹏
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.)
Jiyuan Power Supply Co of State Grid Henan Electric Power Co Ltd
Original Assignee
Jiyuan Power Supply Co of State Grid Henan 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 Jiyuan Power Supply Co of State Grid Henan Electric Power Co Ltd filed Critical Jiyuan Power Supply Co of State Grid Henan Electric Power Co Ltd
Priority to CN201620481620.6U priority Critical patent/CN205643658U/en
Application granted granted Critical
Publication of CN205643658U publication Critical patent/CN205643658U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Measurement Of Resistance Or Impedance (AREA)

Abstract

The utility model relates to a ripple measuring device, it is including online insulating monitor, the positive left side of online insulating monitor is provided with the display screen, positive right side from the last pilot lamp that down evenly is provided with in proper order of online insulating monitor, the insulation protection shell is installed to the left top of online insulating monitor, the right -hand current sensor that is connected with of insulation protection shell, the inside of insulation protection shell is provided with integrated circuit protection CKJ, integrated circuit protection CKJ's upper end is connected with switch K0, integrated circuit protection CKJ connects in parallel with switch K0 and has resistance R1, resistance R2, can be that the ripple voltage value is measured to DC power supply ripple content accurately in real time, and when ripple coefficient exceedes the threshold value, report to the police through the pilot lamp, it is total the utility model has the advantages of whether there is the alternating current to scurry into, and can send insulation fault and report to the police in can precision measurement dc circuit.

Description

A kind of ripple measurement apparatus
Technical field
This utility model belongs to technical field of electric power detection, is specifically related to a kind of ripple measurement apparatus.
Background technology
Along with the development of China's electric utility, power plant, transformer station are of a great variety, and high power station, transformer station More and more, safe power generation, transmission of electricity are related to whole national economy and people orthobiosis, and straight-flow system is power plant, power transformation Standing important ingredient, the security reliability of straight-flow system affects the safe operation of power plant, transformer station, is related to whole The safety in production of electrical network, in order to prevent transformer station's full cut-off and Very Important Person power outage, needing increases exchanges alters DC Line Fault Measure and warning function.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and provides one can accurately measure unidirectional current Whether road there is alternating current scurry into and can send the ripple measurement apparatus that insulation fault is reported to the police.
The purpose of this utility model is achieved in that a kind of ripple measurement apparatus, and it includes online insulating monitor, institute The left side in the front of the on-line insulation monitoring instrument stated is provided with display screen, the right side in the front of described on-line insulation monitoring instrument from On be evenly arranged with display lamp the most successively, the both sides in the front of described on-line insulation monitoring instrument all offer fixing hole, institute The left side of the on-line insulation monitoring instrument stated be arranged above insulation protection shell, the right of described insulation protection shell connects electricity Flow sensor, described insulation protection shell be internally provided with protection using integrated circuit CKJ, described protection using integrated circuit CKJ's Upper end connects has switch K0, described protection using integrated circuit CKJ to be parallel with resistance R1, resistance R2 with switch K0, and described is integrated The junction ground connection of circuit protection CKJ and switch K0, the junction ground connection of described resistance R1 and resistance R2.
The number of described display lamp is four.
The cross section of described fixing hole be shaped as ellipse.
Described insulation protection shell is fixed with on-line insulation monitoring instrument by bolt.
The beneficial effects of the utility model: by increasing insulation protection shell, and be internally provided with collection at insulation protection shell The upper end becoming circuit protection CKJ, CKJ connects has switch K0, protection using integrated circuit CKJ to be parallel with resistance R1, resistance with switch K0 R2, it is possible to real-time and accurately the i.e. ripple voltage value of DC source ripple content is measured, and when ripple factor exceedes threshold value Time, reported to the police by display lamp;Whether total this utility model has can accurately measure in DC circuit has alternating current to alter Enter and can send the advantage that insulation fault is reported to the police.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model a kind of ripple measurement apparatus.
Fig. 2 is the attachment structure schematic diagram of the protection using integrated circuit CKJ of this utility model a kind of ripple measurement apparatus.
In figure: 1, on-line insulation monitoring instrument 2, display screen 3, display lamp 4, fixing hole 5, insulation protection shell 6, electric current Sensor.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is described further.
Embodiment 1
As depicted in figs. 1 and 2, a kind of ripple measurement apparatus, it includes online insulating monitor 1, described online insulation The left side in the front of monitor 1 is provided with display screen 2, and the right side in the front of described on-line insulation monitoring instrument 1 depends on from top to bottom The secondary display lamp 3 that is evenly arranged with, the both sides in the front of described on-line insulation monitoring instrument 1 all offer fixing hole 4, described The left side of line insulating monitor 1 be arranged above insulation protection shell 5, the right of described insulation protection shell 5 connects electric current Sensor 6, described insulation protection shell 5 be internally provided with protection using integrated circuit CKJ, described protection using integrated circuit CKJ's Upper end connects has switch K0, described protection using integrated circuit CKJ to be parallel with resistance R1, resistance R2 with switch K0, and described is integrated The junction ground connection of circuit protection CKJ and switch K0, the junction ground connection of described resistance R1 and resistance R2.
When this utility model is implemented, according to the size of current measured, select suitable current sensor 6, by current sense Device 6 accesses on-line insulation monitoring instrument 1, is then socketed in by the through hole of current sensor 6 on the electric wire needing to measure and carries out ripple Measurement;By increasing insulation protection shell 5, and being internally provided with protection using integrated circuit CKJ at insulation protection shell 5, CKJ's is upper End connection has switch K0, protection using integrated circuit CKJ to be parallel with resistance R1, resistance R2 with switch K0, it is possible to real-time and accurately to directly The stream i.e. ripple voltage value of power supply ripple content measures, and when ripple factor exceedes threshold value, is reported to the police by display lamp; Whether total this utility model has can accurately measure in DC circuit to have alternating current to scurry into and can send insulation fault reports to the police Advantage.
Embodiment 2
As depicted in figs. 1 and 2, a kind of ripple measurement apparatus, it includes online insulating monitor 1, described online insulation The left side in the front of monitor 1 is provided with display screen 2, and the right side in the front of described on-line insulation monitoring instrument 1 depends on from top to bottom The secondary display lamp 3 that is evenly arranged with, the both sides in the front of described on-line insulation monitoring instrument 1 all offer fixing hole 4, described The left side of line insulating monitor 1 be arranged above insulation protection shell 5, the right of described insulation protection shell 5 connects electric current Sensor 6, described insulation protection shell 5 be internally provided with protection using integrated circuit CKJ, described protection using integrated circuit CKJ's Upper end connects has switch K0, described protection using integrated circuit CKJ to be parallel with resistance R1, resistance R2 with switch K0, and described is integrated The junction ground connection of circuit protection CKJ and switch K0, the junction ground connection of described resistance R1 and resistance R2, described display lamp The number of 3 is four, the cross section of described fixing hole 4 be shaped as ellipse, described insulation protection shell 5 by bolt with Line insulating monitor 1 is fixed.
When this utility model is implemented, according to the size of current measured, select suitable current sensor 6, by current sense Device 6 accesses on-line insulation monitoring instrument 1, is then socketed in by the through hole of current sensor 6 on the electric wire needing to measure and carries out ripple Measurement;By increasing insulation protection shell 5, and being internally provided with protection using integrated circuit CKJ at insulation protection shell 5, CKJ's is upper End connection has switch K0, protection using integrated circuit CKJ to be parallel with resistance R1, resistance R2 with switch K0, it is possible to real-time and accurately to directly The stream i.e. ripple voltage value of power supply ripple content measures, and when ripple factor exceedes threshold value, is reported to the police by display lamp; Preferably, the cross section of fixing hole 4 be shaped as ellipse, it is simple to use pin that the panel of online insulation tester 1 is carried out solid Fixed;Insulation protection shell 5 is fixed with on-line insulation monitoring instrument 1 by bolt, it is simple to the installation of insulation protection shell 5 and dismounting;Total Whether this utility model has can accurately measure in DC circuit and has alternating current to scurry into and can send the excellent of insulation fault warning Point.

Claims (4)

1. a ripple measurement apparatus, it includes online insulating monitor, it is characterised in that: described on-line insulation monitoring instrument The left side in front is provided with display screen, and the right side in the front of described on-line insulation monitoring instrument is evenly arranged with the most successively Display lamp, the both sides in the front of described on-line insulation monitoring instrument all offer fixing hole, described on-line insulation monitoring instrument Left side be arranged above insulation protection shell, the right of described insulation protection shell connects current sensor, described insulation The upper end being internally provided with protection using integrated circuit CKJ, described protection using integrated circuit CKJ of containment vessel connects switch K0, institute The protection using integrated circuit CKJ stated and switch K0 is parallel with resistance R1, resistance R2, described protection using integrated circuit CKJ and switch K0 Junction ground connection, the junction ground connection of described resistance R1 and resistance R2.
A kind of ripple measurement apparatus the most according to claim 1, it is characterised in that: the number of described display lamp is four Individual.
A kind of ripple measurement apparatus the most according to claim 1, it is characterised in that: the shape in the cross section of described fixing hole For ellipse.
A kind of ripple measurement apparatus the most according to claim 1, it is characterised in that: described insulation protection shell passes through bolt Fix with on-line insulation monitoring instrument.
CN201620481620.6U 2016-05-25 2016-05-25 Ripple measuring device Expired - Fee Related CN205643658U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620481620.6U CN205643658U (en) 2016-05-25 2016-05-25 Ripple measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620481620.6U CN205643658U (en) 2016-05-25 2016-05-25 Ripple measuring device

Publications (1)

Publication Number Publication Date
CN205643658U true CN205643658U (en) 2016-10-12

Family

ID=57051990

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620481620.6U Expired - Fee Related CN205643658U (en) 2016-05-25 2016-05-25 Ripple measuring device

Country Status (1)

Country Link
CN (1) CN205643658U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112924744A (en) * 2019-12-06 2021-06-08 新疆金风科技股份有限公司 Ripple current measuring method and device, computer equipment and coil assembly

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112924744A (en) * 2019-12-06 2021-06-08 新疆金风科技股份有限公司 Ripple current measuring method and device, computer equipment and coil assembly

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20161012