CN209070819U - A kind of training breaker loop resistor simulator - Google Patents
A kind of training breaker loop resistor simulator Download PDFInfo
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- CN209070819U CN209070819U CN201821447216.2U CN201821447216U CN209070819U CN 209070819 U CN209070819 U CN 209070819U CN 201821447216 U CN201821447216 U CN 201821447216U CN 209070819 U CN209070819 U CN 209070819U
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- breaker
- voltage signal
- analog loopback
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- 238000012549 training Methods 0.000 title claims abstract description 22
- 238000004088 simulation Methods 0.000 claims abstract description 15
- 230000007257 malfunction Effects 0.000 claims abstract description 10
- 238000012360 testing method Methods 0.000 abstract description 13
- 238000005259 measurement Methods 0.000 description 6
- 239000013589 supplement Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011076 safety test Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The utility model discloses a kind of training breaker loop resistor simulators.Currently, training officer can only carry out instructional testing on actual high-voltage circuitbreaker, height is required to training venue etc., when trainee is more, is less useful for carrying out.The breaker A phase analog loopback, breaker B phase analog loopback and breaker C phase analog loopback of the utility model include normal artifical resistance, fault simulation resistance, two voltage signal leading-out terminals, one for switching, analog loopback is switched to the switching of normal or malfunction voltage signal and respectively there are a current signal leading-out terminal and a voltage signal leading-out terminal in two current signal leading-out terminals, the both ends of analog loopback.The utility model can be the case where DC loop, convenient for setting examination point when practical operation skills training, to make student really grasp the use operative skill of this quasi-instrument under mimic-disconnecting switch equipment normal condition loop resistance or fault condition.
Description
Technical field
The utility model belongs to electrical primary overhaul of the equipments field, and breaker loop resistor is used in specifically a kind of training
Simulator.
Background technique
The electric conductivity of high-voltage circuitbreaker galvanic circle is the important indicator for judging high-voltage circuitbreaker safety work.
The superiority and inferiority of electric conductivity can be reflected by the size of galvanic circle resistance.Therefore, the circuit electricity of high-voltage circuitbreaker is measured
Resistance is pilot project important in electric power apparatus examination.
Electrical test staff is in test philosophy and reality pre-job, that need correct understanding and grasp loop resistance to test
Border operation.Currently, training officer can only carry out instructional testing, existing major defect on actual high-voltage circuitbreaker
Have:
One, system operation breaker material object figure, weight are huge, and are installed in substation (institute), using to material object
Power equipment completes test training operation, high to the requirement such as training venue, when trainee is more, is less useful for carrying out；
Two, when carrying out breaker loop resistor test in kind, external operation power is needed to make its switching on and off, operation compared with
For complexity；
Three, the breaker (being in most cases normal circuit breaker) of actual motion is difficult to simulate circuit electricity in the event of failure
Resistance test is unfavorable for the judgement that staff grasps failure.
Utility model content
Technical problem to be solved in the utility model is to overcome the problems of the above-mentioned prior art, provides a kind of training
With breaker loop resistor simulator, the teaching and examination of loop resistance test are realized under the conditions of non-at-scene.
For this purpose, the utility model adopts the following technical solutions: it is a kind of training use breaker loop resistor simulator,
Including breaker A phase analog loopback, breaker B phase analog loopback and breaker C phase analog loopback；
Breaker A phase analog loopback, breaker B phase analog loopback and the breaker C phase analog loopback includes just
Normal artifical resistance, fault simulation resistance, two voltage signal leading-out terminals, one for switching analog loopback to normal or failure
The voltage signal switching switch of state and two current signal leading-out terminals, the both ends of analog loopback respectively have a current signal to draw
Terminal and a voltage signal leading-out terminal out；
Breaker A phase analog loopback, breaker B phase analog loopback and the breaker C phase analog loopback passes through simultaneously
The control of one on-off switch is combined floodgate or gate-dividing state.
The dynamic and static contact of two current signal leading-out terminals difference mimic-disconnecting switch of the utility model, the utility model
Voltage signal leading-out terminal simulation four-end method measurement loop resistance when voltage signal leading-out terminal.On-off switch is one
The case where baby knife switch, mimic-disconnecting switch closes a floodgate when pull rod is pushed into upper end, mimic-disconnecting switch separating brake when being pulled to lower end
Situation.
For teaching for, simulator should compact volume and convenience, guarantee it is identical with practical breaker test philosophy before
It puts, can also realize fault simulation, guidance and raising student judgement and problem-solving ability.The utility model passes through division
The switching of lock switch, without external power supply can mimic-disconnecting switch circuit switching on and off state, while also built-in signal switching
Switch simulates conducting loop resistance when normal and failure respectively.
The utility model realizes the function of high voltage breaker simulator loop resistance.Device is using Miniature low-voltage switch as base
Plinth, the divide-shut brake of mimic-disconnecting switch.Using four-end method extraction and handover measurement voltage signal, different circuit electricity can be simulated
Resistance value；Switch in conjunction with voltage signal and switch, switches loop resistance test when normal and failure.
Supplement as above-mentioned technical proposal, the breaker A phase analog loopback include the first normal artifical resistance, the
One fault simulation resistance, A phase voltage signal leading-out terminal, A phase current signal leading-out terminal, A phase voltage signal switching switch, a
Phase voltage signal leading-out terminal and a phase current signal leading-out terminal, by A phase voltage signal switch switching to A phase just
Normal or malfunction.
Supplement as above-mentioned technical proposal, the breaker B phase analog loopback include the second normal artifical resistance, the
Two fault simulation resistance, B phase voltage signal leading-out terminal, B phase current signal leading-out terminal, B phase voltage signal switching switch, b
Phase voltage signal leading-out terminal and b phase current signal leading-out terminal, by B phase voltage signal switch switching to B phase just
Normal or malfunction.
Supplement as above-mentioned technical proposal, the breaker C phase analog loopback include the normal artifical resistance of third,
Three fault simulation resistance, C phase voltage signal leading-out terminal, C phase current signal leading-out terminal, C phase voltage signal switching switch, c
Phase voltage signal leading-out terminal and c phase current signal leading-out terminal, by C phase voltage signal switch switching to C phase just
Normal or malfunction.
Supplement as above-mentioned technical proposal, breaker A phase analog loopback, breaker B phase analog loopback and breaker C phase
Analog loopback is placed in a cabinet, and the voltage signal leading-out terminal, current signal leading-out terminal and on-off switch are equal
It is located in the front plate of cabinet, the voltage signal switching switch is located on the side panel of cabinet.
Supplement as above-mentioned technical proposal is additionally provided with a ground terminal in the front plate of the cabinet.
The utility model has the following beneficial effects:
It 1, can be real the case where DC loop, to be convenient under mimic-disconnecting switch equipment normal condition loop resistance or fault condition
Examination point is set when the operative skill training of border, student is made really to grasp the use operative skill of this quasi-instrument；
2, when carrying out breaker loop resistor test in kind, external operation power is needed to make its switching on and off, operation is more
It is complicated；The utility model can directly pass through the opening and closing state of a switch mimic-disconnecting switch, the effect at simulation test scene；
3, the utility model is small in size, light-weight, is convenient for carrying, and can effectively achieve the purpose that instrumentation skills training；
With not limited by place, safety test hidden danger is not present, the advantages that training efficiency is high.
Detailed description of the invention
Fig. 1 is the circuit diagram of the utility model；
Fig. 2 is the structure chart of the utility model cabinet；
Fig. 3 is the positive schematic diagram of the utility model cabinet；
Fig. 4 is the schematic diagram of the utility model body side.
In figure, 1- front plate, 2- side panel, 3- current signal leading-out terminal, 4- voltage signal leading-out terminal, 5- voltage letter
Number switching switch, 6- on-off switch, 7- ground terminal.
Specific embodiment
The utility model is further illustrated below by specific embodiment, following embodiment is that the utility model is preferable
Embodiment, but the embodiments of the present invention is not limited by following embodiments.
As shown in Figure 1, the utility model provides a kind of training breaker loop resistor simulator, by cabinet, set
It is formed in the intracorporal breaker A phase analog loopback of case, breaker B phase analog loopback and breaker C phase analog loopback.Described is disconnected
Road device A phase analog loopback, breaker B phase analog loopback and breaker C phase analog loopback are by on-off switch control simultaneously
Combined floodgate or gate-dividing state.As in Figure 2-4, the ground terminal 7, voltage signal leading-out terminal 4, current signal leading-out terminal
3 and on-off switch 6 be each provided in the front plate 1 of cabinet, the described voltage signal switching switch 5 is located at the side panel 2 of cabinet
On.
As shown in Figure 1, the breaker A phase analog loopback includes the first normal artifical resistance R1, Fisrt fault simulation
Resistance R4, A phase voltage signal leading-out terminal UA, A phase current signal leading-out terminal IA, A phase voltage signal switches switch SW2, a phase
Voltage signal leading-out terminal Ua and a phase current signal leading-out terminal Ia switches switch SW2 by A phase voltage signal and switches to A phase
Normal or malfunction.
The breaker B phase analog loopback includes the second normal artifical resistance R2, second fault simulation resistance R5, B phase
Voltage signal leading-out terminal UB, B phase current signal leading-out terminal IB, B phase voltage signal switching switch SW3, b phase voltage signal draws
Terminal Ub and b phase current signal leading-out terminal Ib out switches switch SW3 by B phase voltage signal and switches to the normal of B phase or event
Barrier state.
The breaker C phase analog loopback includes the normal artifical resistance R3 of third, third fault simulation resistance R6, C phase
Voltage signal leading-out terminal UC, C phase current signal leading-out terminal IC, C phase voltage signal switching switch SW4, c phase voltage signal draws
Terminal Uc and c phase current signal leading-out terminal Ic out switches switch SW4 by C phase voltage signal and switches to the normal of C phase or event
Barrier state.
As shown in Figure 1, when it is switched to left side shelves, the voltage of output is the concatenated signal of R1 and R4 by taking SW2 as an example, etc.
Effect is the loop resistance of about 2m Ω, the resistance value for the breaker circuit that bear upper kiloampere, be it is obvious abnormal,
It is considered as malfunction；When SW2 switches to the right shelves, output voltage is the signal of R1, is equivalent to the loop resistance of 20u Ω, is
The case where normal loop resistance.By switching voltage signal, realize the simulation switching to loop resistance, reached to normal and
The instructional objective of fault condition judgement.
Steps are as follows for the use of the utility model:
A) equipment wiring: by the high-pressure side of circuit resistance tester and the measurement voltage measurement line of low-pressure side, current measurement
Line is connected with the connecting terminal (i.e. leading-out terminal) of the utility model according to corresponding mode；
B) divide-shut brake selects: setting "on" position for the on-off switch SW1 of the utility model；
C) fault setting: as needed, switch three switching switches to failure/normal condition；
D) loop resistance measurement: resistance value is measured with circuit resistance tester；
E) terminate.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (6)
1. a kind of training breaker loop resistor simulator, which is characterized in that including breaker A phase analog loopback, open circuit
Device B phase analog loopback and breaker C phase analog loopback；
Breaker A phase analog loopback, breaker B phase analog loopback and the breaker C phase analog loopback includes normal mode
Quasi- resistance, fault simulation resistance, two voltage signal leading-out terminals, one for switching analog loopback to normal or malfunction
Voltage signal switching switch and two current signal leading-out terminals, respectively there is a current signal exit at the both ends of analog loopback
Son and a voltage signal leading-out terminal；
Breaker A phase analog loopback, breaker B phase analog loopback and the breaker C phase analog loopback passes through one point simultaneously
Closing switch control is combined floodgate or gate-dividing state.
2. training breaker loop resistor simulator according to claim 1, which is characterized in that the breaker
A phase analog loopback includes the first normal artifical resistance, Fisrt fault artifical resistance, A phase voltage signal leading-out terminal, A phase voltage
Signal shift switch, A phase current signal switching switch, a phase voltage signal leading-out terminal and a phase current signal leading-out terminal, lead to
Cross the normal or malfunction that A phase voltage signal switches switching to A phase.
3. training breaker loop resistor simulator according to claim 1, which is characterized in that the breaker
B phase analog loopback includes the second normal artifical resistance, the second fault simulation resistance, B phase voltage signal leading-out terminal, B phase current
Signal leading-out terminal, B phase voltage signal switching switch, b phase voltage signal leading-out terminal and b phase current signal leading-out terminal, lead to
Cross the normal or malfunction that B phase voltage signal switches switching to B phase.
4. training breaker loop resistor simulator according to claim 1, which is characterized in that the breaker
C phase analog loopback includes the normal artifical resistance of third, third fault simulation resistance, C phase voltage signal leading-out terminal, C phase current
Signal leading-out terminal, C phase voltage signal switching switch, c phase voltage signal leading-out terminal and c phase current signal leading-out terminal, lead to
Cross the normal or malfunction that C phase voltage signal switches switching to C phase.
5. training breaker loop resistor simulator according to claim 1-4, which is characterized in that described
Breaker A phase analog loopback, breaker B phase analog loopback and breaker C phase analog loopback be placed in a cabinet, it is described
Voltage signal leading-out terminal, current signal leading-out terminal and on-off switch are each provided in the front plate of cabinet, the voltage
Signal shift switch is located on the side panel of cabinet.
6. training breaker loop resistor simulator according to claim 5, which is characterized in that the cabinet is just
A ground terminal is additionally provided on panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821447216.2U CN209070819U (en) | 2018-09-05 | 2018-09-05 | A kind of training breaker loop resistor simulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821447216.2U CN209070819U (en) | 2018-09-05 | 2018-09-05 | A kind of training breaker loop resistor simulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209070819U true CN209070819U (en) | 2019-07-05 |
Family
ID=67091737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821447216.2U Active CN209070819U (en) | 2018-09-05 | 2018-09-05 | A kind of training breaker loop resistor simulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209070819U (en) |
-
2018
- 2018-09-05 CN CN201821447216.2U patent/CN209070819U/en active Active
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