CN208207158U - The breaker performance testing device and system of the double earthing knife-switch of band - Google Patents
The breaker performance testing device and system of the double earthing knife-switch of band Download PDFInfo
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- CN208207158U CN208207158U CN201820801377.0U CN201820801377U CN208207158U CN 208207158 U CN208207158 U CN 208207158U CN 201820801377 U CN201820801377 U CN 201820801377U CN 208207158 U CN208207158 U CN 208207158U
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Abstract
The utility model provides the breaker performance testing device and system of the double earthing knife-switch of band, it is related to breaker technical field, wherein, the breaker performance testing device of the double earthing knife-switch of the band, it include: controller, breaker tester and measuring unit, when work, first, controller issues action signal to breaker tester, later, breaker tester is acted (i.e. progress closing operation or sub-switching operation) according to the breaker of the double earthing knife-switch of above-mentioned action signal control band, later, measuring unit acquires the variation of breaker resistance during carrying out above-mentioned movement of the double earthing knife-switch of band in real time, here, measuring unit is connected in parallel with the breaker with double earthing knife-switch, finally, measuring unit according to the variation of resistance determine the double earthing knife-switch of band breaker performance data (such as, distinguish main fracture, earth branch, when obtaining divide-shut brake Between, speed, separating brake action performance etc.), it is convenient and safe so that the operation for removing ground connection one end can be saved during the test.
Description
Technical field
The utility model relates to breaker technical fields, more particularly to the breaker performance testing device with double earthing knife-switch and are
System.
Background technique
Breaker performance test includes divide-shut brake speed, branch wire time and separating brake action performance number etc..In open circuit
When device is tested for the property, need the both ends clamping connection p-wire in breaker, later, by detect breaker on off operating mode come
Obtain performance data.And under test mode, the two sides earth of breaker, the commonly referred to as breaker are the breaker of the double earthing knife-switch of band.
It will form parallel branch during the test, and generate component, keep breaker practical in gate-dividing state, test equipment passes through ground connection
Breaker is detected as "on" position by circuit meeting mistake, keeps test result inaccurate.So being needed in traditional test method
Any one ground terminal of breaker two sides is removed, connecting test instrument is tested later, in this way, eliminating earth branch
The performance of breaker could be accurately measured under the influence of road.
But the equipment in standing around the job site of high pressure place is typically all to charge, breaker two sides are usually mother
Line, route outlet, current transformer induced current is big, and operating risk is big when removing one end ground connection, moreover, after removing one end ground connection
Induced voltage it is very high, seriously threaten the personal safety of operating personnel.In addition, removing side for part GIS breaker
Line bank changes state, carries out after needing to dispatch examination & approval, greatly increases the work waiting time, influence working efficiency.
To sum up, unhandy when one end is grounded about being removed during the breaker performance test of the double earthing knife-switch of band at present
Problem there is no effective solution method.
Utility model content
In view of this, the breaker performance testing device for being designed to provide the double earthing knife-switch of band of the utility model embodiment
And system improves the safety of the breaker performance test to the double earthing knife-switch of band and convenient by controller and measuring unit etc.
Property.
In a first aspect, the utility model embodiment provides the breaker performance testing device of the double earthing knife-switch of band, comprising: control
Device, breaker tester and measuring unit；
The breaker tester, the controller and the measuring unit are sequentially connected, and the breaker tester is logical
It crosses breaker mechanism to be connected with the breaker with double earthing knife-switch, the measuring unit is connected with the breaker with double earthing knife-switch；
The controller issues action signal to the breaker tester；
The breaker tester is acted according to the breaker of the double earthing knife-switch of action signal control band；
The variation of resistance during the breaker that measuring unit acquires the double earthing knife-switch of band in real time is acted, wherein described
Measuring unit is connected in parallel with the breaker with double earthing knife-switch；
The measuring unit determines the performance data of the breaker of the double earthing knife-switch of band according to the variation of the resistance.
With reference to first aspect, the utility model embodiment provides the first possible embodiment of first aspect,
In, further include host computer, the host computer is connected with the controller:
The host computer issues test execution signal to the controller；
The controller sends charging signals to the measuring unit after receiving the test execution signal；
The measuring unit charges after receiving the charging signals, and, reach preset threshold in electricity
Feedback signal is generated when value；
The host computer generates the action signal after verifying the feedback signal and meeting the requirements, and, by the movement
Signal is sent to the controller, wherein the action signal includes switching signal or sub-gate signal.
The possible embodiment of with reference to first aspect the first, the utility model embodiment provide the of first aspect
Two kinds of possible embodiments, wherein further include:
The controller issues the switching signal to breaker tester；
Alternatively, the controller issues the sub-gate signal to breaker tester.
The possible embodiment of with reference to first aspect the first, the utility model embodiment provide the of first aspect
Three kinds of possible embodiments, wherein further include:
The breaker tester closes a floodgate according to the breaker of the double earthing knife-switch of switching signal control band；
Alternatively, the breaker tester carries out separating brake according to the breaker of the double earthing knife-switch of switching signal control band.
The third possible embodiment with reference to first aspect, the utility model embodiment provide the of first aspect
Four kinds of possible embodiments, wherein further include:
During the breaker of the double earthing knife-switch of band receives the switching signal and closed a floodgate, the measuring unit is to band
Circuit where the breaker of double earthing knife-switch continuously transmits combined floodgate test current signals；
The measuring unit calculates resistance according to the combined floodgate test current signals.
The third possible embodiment with reference to first aspect, the utility model embodiment provide the of first aspect
Five kinds of possible embodiments, wherein further include:
During the breaker of the double earthing knife-switch of band receives the sub-gate signal and carries out separating brake, the measuring unit is to band
Circuit where the breaker of double earthing knife-switch continuously transmits separating brake test current signals；
The measuring unit calculates resistance according to the separating brake test current signals.
With reference to first aspect, the utility model embodiment provides the 6th kind of possible embodiment of first aspect,
In, further includes:
The measuring unit monitors the resistance and transforms to closing time required for the second resistance value as the first resistance value, and,
The combined floodgate performance parameter of the breaker of the double earthing knife-switch of band is measured in the closing time；
Alternatively, when the measuring unit monitoring resistance transforms to separating brake required for the first resistance value as the second resistance value
Between, and, the separating brake performance parameter of the breaker of the double earthing knife-switch of band is measured in the opening time.
With reference to first aspect, the utility model embodiment provides the 7th kind of possible embodiment of first aspect,
In, the measuring unit includes that the first measurement subelement, the second measurement subelement and third measure subelement；
The first measurement subelement, the second measurement subelement and third measurement subelement are connected to band
The both ends of the three-phase of the breaker of double earthing knife-switch；
It is double that the first measurement subelement, the second measurement subelement and third measurement subelement acquire band respectively
The resistance of the three-phase of the breaker of earthing knife-switch.
The possible embodiment of with reference to first aspect the first, the utility model embodiment provide the of first aspect
Eight kinds of possible embodiments, wherein be connected between the host computer and the controller by bluetooth.
Second aspect, the utility model embodiment provide the breaker Performance Test System of the double earthing knife-switch of band, comprising: band is double
The breaker performance testing device of the breaker of earthing knife-switch and the double earthing knife-switch of band described in any of the above embodiments；
The breaker of the double earthing knife-switch of the band is connected with the breaker performance testing device of the double earthing knife-switch of the band；
The breaker performance testing device of the double earthing knife-switch of the band tests the breaker of the double earthing knife-switch of the band in separating brake or conjunction
Performance parameter during lock.
The breaker performance testing device and system of the double earthing knife-switch of band provided by the embodiment of the utility model, wherein the band is double
The breaker performance testing device of earthing knife-switch includes: controller, breaker tester and measuring unit, breaker tester, control
Device and measuring unit are sequentially connected, and breaker tester is connected by breaker mechanism with the breaker with double earthing knife-switch, and measurement is single
Member is connected with the breaker with double earthing knife-switch, when work, firstly, needing from controller to breaker tester sending action signal
It is illustrated, controller is directly by the manipulation of host computer, secondly, breaker tester controls band according to above-mentioned action signal
The breaker of double earthing knife-switch is acted, i.e., breaker carries out closing operation or sub-switching operation under action signal control, later,
The variation of resistance, needs to be illustrated during the breaker that measuring unit acquires the double earthing knife-switch of band in real time is acted,
Measuring unit is connected in parallel with the breaker with double earthing knife-switch, when testing beginning, from measuring unit to the breaker with double earthing knife-switch
The circuit at place sends voltage or current signal etc., and measure the circuit where the breaker of the double earthing knife-switch of band in above-mentioned voltage or
Resistance variations under the action of person's current signal etc., in this way, measuring unit determines the double ground of band according to the variation of above-mentioned resistance
The performance data of the breaker of knife, here performance data include distinguish main fracture, earth branch, and, obtain division
Lock time, speed, separating brake action performance etc. eliminate by above-mentioned treatment process and remove breaker in high pressure place in standing
The complicated processes of one ground terminal, safe and convenient.
Other feature and advantage of the utility model will illustrate in the following description, also, partly from specification
In become apparent, or understood and implementing the utility model.The purpose of this utility model and other advantages are illustrating
Specifically noted structure is achieved and obtained in book, claims and attached drawing.
To enable the above objects, features, and advantages of the utility model to be clearer and more comprehensible, preferred embodiment is cited below particularly, and
Cooperate appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 shows the connection of the breaker performance testing device of the double earthing knife-switch of band provided by the utility model embodiment
Figure；
Fig. 2 shows the structures of the breaker performance testing device of the double earthing knife-switch of band provided by the utility model embodiment
Figure；
The connection that Fig. 3 shows the breaker performance testing device of the double earthing knife-switch of band provided by the utility model embodiment is shown
It is intended to；
The structure that Fig. 4 shows the breaker performance testing device of the double earthing knife-switch of band provided by the utility model embodiment connects
Map interlinking；
Fig. 5 shows the connection of the breaker Performance Test System of the double earthing knife-switch of band provided by the utility model embodiment
Figure.
Icon: the breaker of the double earthing knife-switch of 1- band；2- breaker tester；3- controller；4- measuring unit；The double earthing knife-switch of 5- band
Breaker performance testing device；6- breaker body；7- breaker mechanism；41- first measures subelement；42- second is measured
Subelement；43- third measures subelement.
Specific embodiment
Below in conjunction with attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu is fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole realities
Apply example.The component of the utility model embodiment being usually described and illustrated herein in the accompanying drawings can be come with a variety of different configurations
Arrangement and design.Therefore, the detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit below
The range of claimed invention, but it is merely representative of the selected embodiment of the utility model.Based on the utility model
Embodiment, those skilled in the art's every other embodiment obtained without making creative work, all
Belong to the range of the utility model protection.
Currently, since the two sides of the breaker of the double earthing knife-switch of band are typically provided with ground terminal.It is above-mentioned during the test to connect
Ground terminal can all form parallel branch, in this way, keeping breaker practical in gate-dividing state, test equipment passes through earth-return circuit meeting mistake
Breaker is detected as "on" position, keeps test result inaccurate.Current processing mode needs to remove breaker two sides
Any one ground terminal, later, connecting test instrument are tested.But the equipment one in standing around the job site of high pressure place
As all be electrification, breaker two sides are usually bus, route outlet, and current transformer induced current is big, remove one end ground connection
When operating risk it is big, moreover, remove one end ground connection after induced voltage it is very high, seriously threaten operating personnel the person peace
Entirely, in addition, side line bank is removed for part GIS breaker and changes state, is carried out after needing to dispatch examination & approval, and then affect
Working efficiency.In short, being removed in the test process of the breaker performance of the double earthing knife-switch of band at present inconvenient when one end is grounded.
Based on this, the utility model embodiment provides the breaker performance testing device and system of the double earthing knife-switch of band, below
It is described by embodiment.
Embodiment 1
Referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the breaker performance testing device of the double earthing knife-switch of the band that the present embodiment proposes, application
In the breaker of the double earthing knife-switch of band, the breaker of the lower double earthing knife-switch of band is explained first, in general, the supply voltage of the breaker with double earthing knife-switch
For direct current 220V, the breaker of the double earthing knife-switch of band has two ground terminals, i.e., referred to as band when the both ends of breaker body are all grounded
The breaker of double earthing knife-switch, in this way, no matter main fracture left side or right side into figure, which close to close, can form closed circuit, it is specific to wrap
It includes following: controller, breaker tester and measuring unit, above-mentioned breaker tester, controller and measuring unit successively phase
Even, also, breaker tester and measuring unit are connected with the breaker of the double earthing knife-switch of band respectively, in implementation process, controller 3
Action signal is issued to breaker tester 2, breaker tester is carried out according to the breaker 1 of the double earthing knife-switch of action signal control band
Movement, the variation of resistance, needs to be illustrated during the acquisition in real time of measuring unit 4 is acted with the breaker of double earthing knife-switch
, measuring unit and the breaker parallel connection with double earthing knife-switch, measuring unit can determine band pair according to the variation of resistance
The performance data of the breaker of earthing knife-switch, here, performance data mainly include distinguish main fracture, earth branch, and, obtain
Take branch wire time, divide-shut brake speed, separating brake action performance etc..
In addition, the breaker performance testing device with double earthing knife-switch further includes host computer, host computer is connected with controller:
(1) host computer issues test execution signal to controller, needs to be illustrated, host computer generally includes to have
Calculation processing function, further, it is possible to provide the terminals such as the computer of input manipulation to tester.When needs are to the double earthing knife-switch of band
When breaker is tested, measuring unit is first installed additional on existing breaker tester, and single to measurement by controller
Member is controlled, in this way, tester inputs corresponding operation by host computer, so that host computer when being tested
Test execution signal is issued to controller.
(2) in this way, controller is receiving test execution signal rearward measurement unit transmission charging signals, so that measurement is single
Member starts to charge, thus for that can provide guarantor with voltage to the circuit input test where the breaker of the double earthing knife-switch of band later
Barrier.
(3) in this way, measuring unit charges after receiving charging signals, also, when measuring unit reaches in electricity
Feedback signal is generated when preset threshold value, is said, preset threshold value is usually the disconnected of the double earthing knife-switch of band
Circuit where the device of road carries out minimum amount of power required for a test process, in this way, the generation by feedback signal is further
Ensure that the electricity of measuring unit is sufficient.Common measuring unit includes current feedback circuit.
(4) after, host computer generates action signal after verifying feedback signal and meeting the requirements, also, host computer will act
Signal is sent to controller, needs to be illustrated, and action signal includes switching signal or sub-gate signal, i.e. controller point
The making process and separating brake process of the other breaker to the double earthing knife-switch of band are monitored, to distinguish main fracture, earth branch,
And obtain branch wire time, divide-shut brake speed, separating brake action performance etc..It can determine and tested by the participation of host computer
The definite opening process of journey.
In addition, the breaker performance testing device with double earthing knife-switch further include:
(1) controller issues switching signal to breaker tester.
(2) alternatively, controller issues sub-gate signal to breaker tester.It needs to be illustrated herein, controller
The making process of the breaker of the double earthing knife-switch of band and separating brake process are distinguished and tested.
In addition, the breaker performance testing device with double earthing knife-switch further include:
(1) when it is implemented, breaker tester closes a floodgate according to the breaker of the double earthing knife-switch of switching signal control band.Such as
Shown in Fig. 2, the main fracture that will be switched off is closed, and the breaker of the double earthing knife-switch of entire band is made to form closed circuit.It needs to be said in detail
Bright, breaker body includes the galvanic circle with main fracture, and state has separating brake, closes a floodgate, and breaker mechanism includes being connected
Control module (specifically including divide-shut brake coil etc.), energy-storage module (specifically including energy storage motor and spring etc.) and the transmission mould connect
Block, in use, breaker mechanism are connected with breaker tester, and by the mechanical transmission component in breaker mechanism
It directly controls breaker body and carries out divide-shut brake movement, the action process of above-mentioned divide-shut brake are as follows: by control module (division brake cable
Circle) instruction is issued, control energy-storage module releases energy, and (module possesses always energy under normal circumstances, in breaker body
When gate-dividing state, have the energy needed for closing a floodgate, in breaker body "on" position, energy needed for having separating brake) energy
Breaker body is driven to implement divide-shut brake movement (opening, the closure of main fracture) by the transmission mechanism in transmission module.
(2) alternatively, breaker tester carries out separating brake according to the breaker of the double earthing knife-switch of switching signal control band.I.e. by Fig. 2
In formed closed circuit the main fractures of breaker of the double earthing knife-switch of band be restored to off-state.It needs to be described in detail
It is that breaker body includes the galvanic circle with main fracture, state has separating brake, closes a floodgate, and breaker mechanism 7 includes being connected
Control module (specifically including divide-shut brake coil etc.), energy-storage module (specifically including energy storage motor and spring etc.) and transmission module,
The action process of above-mentioned divide-shut brake are as follows: issued and instructed by control module (divide-shut brake coil), control energy-storage module releases energy (should
Module possesses always energy under normal circumstances, in breaker body gate-dividing state, has the energy needed for closing a floodgate, in open circuit
When device ontology "on" position, energy needed for having separating brake) energy by the transmission mechanism in transmission module drives breaker sheet
Body implements divide-shut brake movement (opening, the closure of main fracture).
In addition, the breaker performance testing device with double earthing knife-switch further include:
(1) during the breaker of the double earthing knife-switch of band receives switching signal and closed a floodgate, measuring unit is to band pair
Circuit where the breaker of knife continuously transmits combined floodgate test current signals, needs to be illustrated, and above-mentioned circuit includes master
Two earth-return circuits being formed after fracture closure, i.e. measuring unit are current source, only one circuit when breaker body separating brake,
I.e. by measuring unit to ground terminal to greatly again to the circuit (referred to as earth-return circuit) of another ground terminal；Breaker body closes a floodgate
When there are two circuit, i.e., by measuring unit to ground terminal to greatly again to the circuit (referred to as earth-return circuit) of another ground terminal with
And the circuit (referred to as breaker circuit) by breaker body to measuring unit.Measuring unit connects to above-mentioned two earth-return circuit
Supervention send combined floodgate test current signals.
(2) measuring unit calculates resistance according to combined floodgate test current signals, specifically issues test electricity to breaker body
Stream, measures the voltage value of breaker body, obtains resistance by the ratio of the voltage value and above-mentioned test electric current, pass through above-mentioned company
The process of continuous monitoring can obtain the resistance of consecutive variations in making process.
In addition, the breaker performance testing device with double earthing knife-switch further include:
(1) during the breaker of the double earthing knife-switch of band receives sub-gate signal progress separating brake, measuring unit is to double ground
Circuit where the breaker of knife continuously transmits separating brake test current signals, needs exist for being illustrated, above-mentioned circuit packet
Include the circuit that is formed after main fracture disconnects, i.e., by measuring unit to ground terminal to greatly again to the circuit of another ground terminal (referred to as
For earth-return circuit).
(2) measuring unit calculates resistance according to separating brake test current signals.Specifically above-mentioned earth-return circuit is issued and is tested
Electric current measures the voltage value in above-mentioned circuit, obtains resistance by the ratio of the voltage value and above-mentioned test electric current, passes through above-mentioned company
The process of continuous monitoring can obtain the resistance of consecutive variations during separating brake.
In addition, the breaker performance testing device with double earthing knife-switch further include:
(1) measuring unit monitoring resistor transforms to closing time required for the second resistance value as the first resistance value, also, is closing
The combined floodgate performance parameter of the breaker of the double earthing knife-switch of measurement band, needs exist for being illustrated, the first resistance value is usual in the lock time
Refer to that the resistance value of milliohm magnitude, the second resistance value are often referred to the resistance value of micro-ohm magnitude.The reason is that, when the conjunction of the main fracture of breaker is closed
Earth-return circuit is formed, resistance value is varied down to micro-ohm magnitude at this time.Also, in order to effectively measure the closing speed of main fracture, obtain band
The stroke parameter of the main fracture of the breaker of double earthing knife-switch obtains above-mentioned combined floodgate speed by the ratio of the trip parameter and closing time
Degree.In addition, because again movement of the main fracture in making process is possible to have repeatedly, that is, the phenomenon that closure disconnects occurs, and needs
The separating brake action performance of main fracture is tested, i.e., transforms to second according to the first resistance value during main fracture is closed and disconnects again
The number of resistance value calculates the separating brake action performance in making process.
(2) alternatively, measuring unit monitoring resistor transforms to opening time required for the first resistance value as the second resistance value, and
And the separating brake performance parameter of the breaker of the double earthing knife-switch of band is measured in opening time.It needs exist for being illustrated, the first resistance
Value is often referred to the resistance value of milliohm magnitude, and the second resistance value is often referred to the resistance value of micro-ohm magnitude.The reason is that, working as the main fracture of breaker
Open circuit is formed when disconnection, resistance value increases to milliohm magnitude by micro-ohm magnitude at this time.Also, in order to effectively measure the separating brake of main fracture
Speed obtains the stroke parameter of the main fracture of the breaker of the double earthing knife-switch of band, is obtained by the ratio of the trip parameter and opening time
Above-mentioned opening velocity.
In conclusion the breaker performance testing device of the double earthing knife-switch of band provided in this embodiment, applied to the double earthing knife-switch of band
Breaker, comprising: controller, breaker tester and measuring unit, breaker tester, controller and measuring unit successively phase
Even, breaker tester and measuring unit are connected with the breaker of the double earthing knife-switch of band respectively, when work, firstly, controller is to open circuit
Device tester issues action signal, secondly, breaker tester is moved according to the breaker of the double earthing knife-switch of action signal control band
Make, later, the variation of resistance, is said during the breaker that measuring unit acquires the double earthing knife-switch of band in real time is acted
Bright, measuring unit is connected in parallel with the breaker with double earthing knife-switch, in this way, measuring unit determines band according to the variation of resistance
The performance data of the breaker of double earthing knife-switch can effectively distinguish main fracture, earth branch that is, by above-mentioned treatment process
Road, and, branch wire time, speed, separating brake action performance etc. are obtained, removes ground connection one end during the test to eliminate
Operation, safe and convenient.
Embodiment 2
Referring to Fig. 5, the breaker Performance Test System for present embodiments providing the double earthing knife-switch of band includes: the open circuit of the double earthing knife-switch of band
The breaker performance testing device of device and the double earthing knife-switch of the band of any of the above-described, needs exist for being illustrated, the double earthing knife-switch of band
Breaker is connected with the breaker performance testing device with double earthing knife-switch, and here connected is often referred to be connected by hardware connecting line,
In use, the breaker performance testing device of the double earthing knife-switch of band be capable of the breakers of the double earthing knife-switch of calibration tape in separating brake process or
Performance parameter in person's making process, the side ground terminal without the breaker manually to the double earthing knife-switch of band process again, into
And make entire test process more safe ready.
In conclusion the breaker Performance Test System of the double earthing knife-switch of band provided in this embodiment includes: the disconnected of the double earthing knife-switch of band
The breaker performance testing device of road device and the double earthing knife-switch of the band of any of the above-described, in the breaker performance test system of the double earthing knife-switch of the band
In system, the breaker of the double earthing knife-switch of band is connected with the breaker performance testing device with double earthing knife-switch, and by the breaker of the double earthing knife-switch of band
Performance testing device carrys out performance parameter of the breaker of the double earthing knife-switch of calibration tape in separating brake or making process, to facilitate correlation
Personnel fast and safely distinguish main fracture, earth branch, and, when obtaining the divide-shut brake of the breaker of the double earthing knife-switch of band
Between, the performance parameters such as divide-shut brake speed, separating brake action performance.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description
Specific work process, can be with reference to the corresponding process in previous embodiment, details are not described herein.
In addition, in the description of the utility model embodiment unless specifically defined or limited otherwise, term " installation ",
" connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect
It connects；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can
To be the connection inside two elements.To those skilled in the art, above-mentioned term can be understood in this reality with concrete condition
With the concrete meaning in novel.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
Finally, it should be noted that embodiment described above, only specific embodiment of the present utility model, to illustrate this
The technical solution of utility model, rather than its limitations, the protection scope of the utility model is not limited thereto, although referring to aforementioned
The utility model is described in detail in embodiment, those skilled in the art should understand that: it is any to be familiar with this skill
The technical staff in art field within the technical scope disclosed by the utility model, still can be to skill documented by previous embodiment
Art scheme modify or can readily occur in variation or equivalent replacement of some of the technical features；And these modifications,
Variation or replacement, the spirit and model of the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution
It encloses, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model is answered described is wanted with right
Subject to the protection scope asked.
Claims (10)
1. the breaker performance testing device of the double earthing knife-switch of band characterized by comprising controller, breaker tester and measurement
Unit；
The breaker tester, the controller and the measuring unit are sequentially connected, and the breaker tester passes through disconnected
Road device mechanism is connected with the breaker with double earthing knife-switch, and the measuring unit is connected with the breaker with double earthing knife-switch；
The controller issues action signal to the breaker tester；
The breaker tester is acted according to the breaker of the double earthing knife-switch of action signal control band；
The variation of resistance during the breaker that measuring unit acquires the double earthing knife-switch of band in real time is acted, wherein the measurement
Unit is connected in parallel with the breaker with double earthing knife-switch；
The measuring unit determines the performance data of the breaker of the double earthing knife-switch of band according to the variation of the resistance.
2. the breaker performance testing device of the double earthing knife-switch of band according to claim 1, which is characterized in that further include upper
Machine, the host computer are connected with the controller:
The host computer issues test execution signal to the controller；
The controller sends charging signals to the measuring unit after receiving the test execution signal；
The measuring unit charges after receiving the charging signals, and, when electricity reaches preset threshold value
Generate feedback signal；
The host computer generates the action signal after verifying the feedback signal and meeting the requirements, and, by the action signal
It is sent to the controller, wherein the action signal includes switching signal or sub-gate signal.
3. the breaker performance testing device of the double earthing knife-switch of band according to claim 2, which is characterized in that further include:
The controller issues the switching signal to breaker tester；
Alternatively, the controller issues the sub-gate signal to breaker tester.
4. the breaker performance testing device of the double earthing knife-switch of band according to claim 2, which is characterized in that further include:
The breaker tester closes a floodgate according to the breaker of the double earthing knife-switch of switching signal control band；
Alternatively, the breaker tester carries out separating brake according to the breaker of the double earthing knife-switch of switching signal control band.
5. the breaker performance testing device of the double earthing knife-switch of band according to claim 4, which is characterized in that further include:
During the breaker of the double earthing knife-switch of band receives the switching signal and closed a floodgate, the measuring unit is to band pair
Circuit where the breaker of knife continuously transmits combined floodgate test current signals；
The measuring unit calculates resistance according to the combined floodgate test current signals.
6. the breaker performance testing device of the double earthing knife-switch of band according to claim 4, which is characterized in that further include:
During the breaker of the double earthing knife-switch of band receives the sub-gate signal progress separating brake, the measuring unit is to double ground
Circuit where the breaker of knife continuously transmits separating brake test current signals；
The measuring unit calculates resistance according to the separating brake test current signals.
7. the breaker performance testing device of the double earthing knife-switch of band according to claim 1, which is characterized in that further include:
The measuring unit monitors the resistance and transforms to closing time required for the second resistance value as the first resistance value, and, in institute
State the combined floodgate performance parameter of the breaker of the double earthing knife-switch of measurement band in closing time；
Alternatively, the measuring unit, which monitors the resistance, transforms to opening time required for the first resistance value as the second resistance value, and,
The separating brake performance parameter of the breaker of the double earthing knife-switch of band is measured in the opening time.
8. the breaker performance testing device of the double earthing knife-switch of band according to claim 1, which is characterized in that the measuring unit
Subelement is measured including the first measurement subelement, the second measurement subelement and third；
The first measurement subelement, the second measurement subelement and third measurement subelement are connected to the double ground of band
The both ends of the three-phase of the breaker of knife；
The first measurement subelement, the second measurement subelement and third measurement subelement acquire the double earthing knife-switch of band respectively
Breaker three-phase resistance.
9. the breaker performance testing device of the double earthing knife-switch of band according to claim 2, which is characterized in that the host computer with
It is connected between the controller by bluetooth.
10. the breaker Performance Test System of the double earthing knife-switch of band characterized by comprising the breaker and such as right of the double earthing knife-switch of band
It is required that the breaker performance testing device of the double earthing knife-switch of the described in any item bands of 1-9；
The breaker of the double earthing knife-switch of the band is connected with the breaker performance testing device of the double earthing knife-switch of the band；
The breaker performance testing device of the double earthing knife-switch of the band tests the breaker of the double earthing knife-switch of the band in separating brake or closed a floodgate
Performance parameter in journey.
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| CN201820801377.0U CN208207158U (en) | 2018-05-25 | 2018-05-25 | The breaker performance testing device and system of the double earthing knife-switch of band |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110261763A (en) * | 2019-06-03 | 2019-09-20 | 杭州国洲电力科技有限公司 | A kind of DC current inducing method for surveying breaker two-terminal-grounding branch wire time |
| CN110646183A (en) * | 2019-09-04 | 2020-01-03 | 国网浙江省电力有限公司嘉兴供电公司 | High-voltage circuit breaker mechanical property quick detection device based on thing networking |
| CN114167268A (en) * | 2021-11-15 | 2022-03-11 | 广西电网有限责任公司南宁供电局 | Circuit breaker characteristic test auxiliary device |
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2018
- 2018-05-25 CN CN201820801377.0U patent/CN208207158U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110261763A (en) * | 2019-06-03 | 2019-09-20 | 杭州国洲电力科技有限公司 | A kind of DC current inducing method for surveying breaker two-terminal-grounding branch wire time |
| CN110646183A (en) * | 2019-09-04 | 2020-01-03 | 国网浙江省电力有限公司嘉兴供电公司 | High-voltage circuit breaker mechanical property quick detection device based on thing networking |
| CN110646183B (en) * | 2019-09-04 | 2021-06-08 | 国网浙江省电力有限公司嘉兴供电公司 | High-voltage circuit breaker mechanical property quick detection device based on thing networking |
| CN114167268A (en) * | 2021-11-15 | 2022-03-11 | 广西电网有限责任公司南宁供电局 | Circuit breaker characteristic test auxiliary device |
| CN114167268B (en) * | 2021-11-15 | 2024-01-16 | 广西电网有限责任公司南宁供电局 | Circuit breaker characteristic test auxiliary device |
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