CN205786860U - Jamproof switchgear dynamic loop resistance meter - Google Patents
Jamproof switchgear dynamic loop resistance meter Download PDFInfo
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- CN205786860U CN205786860U CN201620468550.0U CN201620468550U CN205786860U CN 205786860 U CN205786860 U CN 205786860U CN 201620468550 U CN201620468550 U CN 201620468550U CN 205786860 U CN205786860 U CN 205786860U
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Abstract
The utility model discloses a kind of jamproof switchgear dynamic loop resistance meter; including electric supply installation, charging and display device, control device, capacitance module, protection switch, current testing device, stroke measuring device and equipment data acquisition analyzing; wherein; electric supply installation includes filtration module, and filtration module is connected with display device and control device with charging respectively；Capacitance module, protection switch, current measuring device and switchgear are sequentially connected in series formation loop；Charging and display device are for charging to capacitance module and showing capacitance voltage；Control device to be connected with protection switch and switchgear respectively, for controlling protection switch and the action of switchgear；Equipment data acquisition analyzing divides with stroke measuring device and is connected with switchgear, is respectively used to switching devices and carries out data analysis collection and stroke measurment.This utility model has the advantage that and can measure the resistance of dynamic loop, and reduces the power supply noise impact on measurement result.
Description
Technical field
This utility model relates to generating, power transformation or distribution switchgear technical field, is specifically related to a kind of anti-dry
The switchgear dynamic loop resistance meter disturbed.
Background technology
The function that circuit cut-offs and closes undertaken in electrical network by switchgear, it by the mechanical separation of contact and
The arc extinguishing of arc-chutes realizes circuit and cut-offs；Closed by the machinery of contact and realize closing of circuit.Existing grind
Studying carefully and show that contact is one of the principal element limiting high-tension switch gear electric life, dynamic loop resistance can be
Reflect the ablation situation of plug-in contact system in the case of not dismantling switchgear, be that assessment is equipped with plug-in
The effective ways of contact system switchgear electric life.
On-the-spot test finds that the power quality of substation field is poor, and under effect of noise, supply voltage is not
It it is the sine wave of standard.The control device of dynamic loop resistance meter is powered by power supply with display device, electricity
Source noise enters fracture voltage and loop current by said apparatus Conduction coupling, affects dynamic loop resistance
Measure.Existing dynamic loop resistance meter does not accounts for power supply noise to voltage, the impact of current signal.
Utility model content
This utility model is intended at least solve one of above-mentioned technical problem.
To this end, a purpose of the present utility model is to propose a kind of jamproof switchgear dynamic loop electricity
Resistance tester.
To achieve these goals, embodiment of the present utility model disclose a kind of jamproof switchgear move
State circuit resistance tester, including electric supply installation, charging with display device, control device, capacitance module,
Protection switch, current testing device, stroke measuring device and equipment data acquisition analyzing, wherein, described confession
Electric installation includes filtration module, and described filtration module fills with display device and described control with described charging respectively
Put connection；Described capacitance module, described protection switch, described current measuring device and switchgear are gone here and there successively
Connection forms loop；Described charging is in parallel with described capacitance module with display device, for described capacitance module
Charge and show capacitance voltage；Described control device is connected with described protection switch and described switchgear respectively,
For controlling described protection switch and the shutoff of described switchgear and folding；Described equipment data acquisition analyzing
Divide with described stroke measuring device and be connected with described switchgear, be respectively used to described switchgear number
Gather and stroke measurment according to analyzing.
According to the jamproof switchgear dynamic loop resistance meter of this utility model embodiment, can be right
The resistance of dynamic loop measures, and reduces the power supply noise impact on dynamic loop resistance.
It addition, according to the jamproof switchgear dynamic loop resistance test of this utility model above-described embodiment
Instrument, it is also possible to there is following additional technical characteristic:
Further, described filtration module is wave filter, isolating transformer, or wave filter and isolation transformation
Device is connected.
Further, described current measuring device is sampling resistor or Hall current sensor.
Additional aspect of the present utility model and advantage will part be given in the following description, and part will be from following
Description in become obvious, or recognized by practice of the present utility model.
Accompanying drawing explanation
Embodiment is retouched by above-mentioned and/or additional aspect of the present utility model and advantage from combining accompanying drawings below
Will be apparent from easy to understand in stating, wherein:
Fig. 1 is that the structure of the jamproof dynamic loop resistance meter of one embodiment of this utility model is former
Reason figure；
Fig. 2 is being detected by jamproof dynamic loop resistance meter of one embodiment of this utility model
The schematic diagram of the separating brake dynamic loop resistance obtained；
Fig. 3 is being detected by jamproof dynamic loop resistance meter of one embodiment of this utility model
The schematic diagram of the combined floodgate dynamic loop resistance obtained；
Fig. 4 is the use shape of the jamproof dynamic loop resistance meter of one embodiment of this utility model
State figure.
Detailed description of the invention
Of the present utility model embodiment is described below in detail, and the example of described embodiment is shown in the drawings, its
In the most same or similar label represent same or similar element or there is same or like function
Element.The embodiment described below with reference to accompanying drawing is exemplary, is only used for explaining this utility model,
And it is not intended that to restriction of the present utility model.
In description of the present utility model, it is to be understood that term " " center ", " longitudinally ", " laterally ",
On " ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ",
Orientation or the position relationship of the instruction such as " outward " they are based on orientation shown in the drawings or position relationship, merely to just
Describe in description this utility model and simplification rather than indicate or imply that the device of indication or element must have
Specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or imply relatively heavy
The property wanted.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, art
Language " is installed ", " being connected ", " connection " should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be
Removably connect, or be integrally connected；Can be to be mechanically connected, it is also possible to be electrical connection；Can be direct
It is connected, it is also possible to be indirectly connected to by intermediary, can be the connection of two element internals.For ability
For the those of ordinary skill in territory, above-mentioned term specifically containing in this utility model can be understood with concrete condition
Justice.
With reference to explained below and accompanying drawing, it will be clear that these and other aspects of embodiment of the present utility model.
Describe at these and in accompanying drawing, specifically disclose some the particular implementation sides in embodiment of the present utility model
Formula, represents some modes of the principle implementing embodiment of the present utility model, but it is to be understood that this reality
Scope by novel embodiment is not limited.On the contrary, embodiment of the present utility model includes falling into appended
Add all changes, amendment and the equivalent in the range of the spirit of claims and intension.
Below in conjunction with accompanying drawing, the jamproof switchgear dynamic loop according to this utility model embodiment is described
Resistance meter.
A kind of jamproof switchgear dynamic loop resistance meter, including electric supply installation, charges and display
Device, control device, capacitance module C, protection switch S1, current testing device, stroke measuring device
And equipment data acquisition analyzing.
Wherein, electric supply installation includes filtration module, and filtration module is opened with display device and control with charging respectively
Close and connect, to reduce the power supply noise impact on measuring.Capacitance module, protection switch, current measuring device
It is sequentially connected in series formation loop with switchgear；Charge in parallel with capacitance module with display device, for electric capacity
Module is charged and shows capacitance voltage；Control device to be connected with protection switch and switchgear respectively, be used for controlling
System protection switch closes with switchgear and cut-offs；Equipment data acquisition analyzing and stroke measuring device with open
Pass equipment is connected, and is respectively used to switching devices and carries out data analysis collection and stroke measurment.
Below by dynamic to the jamproof switchgear of this utility model embodiment by separating brake, closing operation
Circuit resistance tester illustrates.
As a example by switchgear sub-switching operation, concrete steps include:
A1, protection switch disjunction, switchgear close a floodgate state under, utilize charging with display device pair
Capacitance module (C) charges to the test voltage needed, and shows the voltage of capacitance module.
Protection switch is sent and closes order by A2: control device, and protection switch closes, and capacitance module is split
Pass equipment electric discharge.
A3, control device switching devices send separating brake order；Switchgear starts to perform separating brake order,
Contact system setting in motion, after dynamic and static contact separates, capacitance module (C) stops switching devices and puts
Electricity.
During separating brake, equipment data acquisition analyzing measures voltage signal U (t) of switchgear output, electric current
Current signal I (t) of measurement apparatus output and voltage signal L (t) of stroke measuring device output.Switch
Equipment dynamic loop resistanceAs shown in Figure 2.
As a example by switchgear closing operation, concrete steps include:
B1, when switchgear with protection switch disjunction, utilize charging with display device to electric capacity
Module (C) charges to the test voltage needed, and shows the voltage of capacitance module.
Protection switch is sent and closes order by B2, control device, and protection switch closes.
B3, control device switching devices send combined floodgate order, and switchgear starts to perform to close a floodgate to order,
Contact system setting in motion, when, after dynamic and static contact, capacitance module (C) starts switching devices and puts
Electricity.
In making process, equipment data acquisition analyzing measures voltage signal U (t) of switchgear output, electric current
Current signal I (t) of measurement apparatus output and voltage signal L (t) of stroke measuring device output.Switch
Equipment dynamic loop resistanceAs shown in Figure 3.
Refer to Fig. 4, in an example of the present utility model, jamproof switchgear dynamic loop electricity
Resistance tester include capacitance module C, charging with display device, current measuring device (sampling resistor R),
Protection switch S1, electric supply installation, control device and stroke measuring device, described electric supply installation respectively with
Described charging is connected with display device and described control device；Described capacitance module C and charging and display
Device is in parallel, and the capacitance module C after parallel connection and protection switch S1, sampling resistor R, the going out of switchgear
Line end is serially connected；Described control device is connected with protection switch and switchgear respectively；Described stroke
Measurement apparatus is connected with switchgear；Sampling resistor, switchgear and stroke measuring device and data acquisition
Set analysis device is connected.
Wherein it is possible to choose but be not limited to C=600F, R=1m Ω.
Wherein, capacitance module is by closing many fertile super-capacitor module (600F, 15V) compositions that converges；Fill
Switching Power Supply RSP-750-15, protection that electricity and display device are produced by Ming Wei Electronics Co., Ltd. switch S2
And intelligent voltage table HB57402Z-V composition, wherein Switching Power Supply, protection switch S2 and super
Capacitance module is serially connected, and table HB57402Z-V is in parallel with super-capacitor module for intelligent voltage；Sampling resistor
The diverter FLP1 that R is produced by Shanghai money profit ammeter Power Supply fittings company limited forms；Electric supply installation includes
Wave filter PTS025-10A, power supply is intelligent voltage table HB57402Z-V by wave filter, is controlled device
Power supply；Controlling device to be formed by switching A, B, C, its breaker in middle A is connected on the combined floodgate control of switchgear
In loop processed, switch B is connected on the separating brake of switchgear and controls in loop, switch C and protection switch S1
Be connected, control protection switch S1 deciliter；Stroke measuring device is produced by Novotechnik company
IP6501A502 angular transducer forms, and wherein angular transducer is arranged on switchgear；Signals collecting
Analytical equipment is produced by NI PCI-6143 capture card and Beijing A Kemei electronic technology Co., Ltd
FIP200 industrial computer forms；Signal processing and analysis measurement device switchgear output voltage signal U (t),
Current signal I (t) of current measuring device output and voltage signal L (t) of stroke measuring device output,
Calculate dynamic loop resistance and the stroke signal of switchgear.
The jamproof switchgear dynamic loop resistance meter of this utility model embodiment, can be to dynamically
The resistance in loop measures, and reduces the power supply noise impact on dynamic loop resistance.
It addition, other of the jamproof switchgear dynamic loop resistance meter of this utility model embodiment
Constitute and effect is the most all known, in order to reduce redundancy, do not do superfluous
State.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ",
The description of " concrete example " or " some examples " etc. means to combine this embodiment or example describes specific features,
Structure, material or feature are contained at least one embodiment of the present utility model or example.In this explanation
In book, the schematic representation of above-mentioned term is not necessarily referring to identical embodiment or example.And, retouch
Specific features, structure, material or the feature stated can be in any one or more embodiments or example
Combine in an appropriate manner.
Embodiment the most of the present utility model, those of ordinary skill in the art is permissible
Understand: can these embodiments be carried out multiple in the case of without departing from principle of the present utility model and objective
Changing, revise, replace and modification, scope of the present utility model is limited by claim and equivalent thereof.
Claims (3)
1. a jamproof switchgear dynamic loop resistance meter, it is characterised in that include power supply
Device, charging and display device, control device, capacitance module, protection switch, current testing device, OK
Journey measurement apparatus and equipment data acquisition analyzing, wherein,
Described electric supply installation includes filtration module, described filtration module respectively with described charging and display device and
Described control device connects；
Described capacitance module, described protection switch, described current measuring device and switchgear are sequentially connected in series shape
Become loop；
Described charging is in parallel with described capacitance module with display device, for charging described capacitance module and showing
Show capacitance voltage；
Described control device is connected with described protection switch and described switchgear respectively, is used for controlling described guarantor
Protect switch and the shutoff of described switchgear and folding；
Described equipment data acquisition analyzing divides with described stroke measuring device and is connected with described switchgear, respectively
For described switchgear is carried out data analysis collection and stroke measurment.
Jamproof switchgear dynamic loop resistance meter the most according to claim 1, it is special
Levying and be, described filtration module is that wave filter, isolating transformer, or wave filter are connected with isolating transformer.
Jamproof switchgear dynamic loop resistance meter the most according to claim 1, it is special
Levying and be, described current measuring device is sampling resistor or Hall current sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620468550.0U CN205786860U (en) | 2016-05-20 | 2016-05-20 | Jamproof switchgear dynamic loop resistance meter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620468550.0U CN205786860U (en) | 2016-05-20 | 2016-05-20 | Jamproof switchgear dynamic loop resistance meter |
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| Publication Number | Publication Date |
|---|---|
| CN205786860U true CN205786860U (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620468550.0U Active CN205786860U (en) | 2016-05-20 | 2016-05-20 | Jamproof switchgear dynamic loop resistance meter |
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| Country | Link |
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| CN (1) | CN205786860U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107192936A (en) * | 2017-07-14 | 2017-09-22 | 山东辰宇稀有材料科技有限公司 | A kind of portable semiconductor minority carrier lifetime tester |
| CN111596133A (en) * | 2020-05-26 | 2020-08-28 | 广东电网有限责任公司东莞供电局 | GIS loop resistance testing device and method |
-
2016
- 2016-05-20 CN CN201620468550.0U patent/CN205786860U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107192936A (en) * | 2017-07-14 | 2017-09-22 | 山东辰宇稀有材料科技有限公司 | A kind of portable semiconductor minority carrier lifetime tester |
| CN107192936B (en) * | 2017-07-14 | 2023-08-22 | 山东辰宇稀有材料科技有限公司 | Portable semiconductor minority carrier lifetime tester |
| CN111596133A (en) * | 2020-05-26 | 2020-08-28 | 广东电网有限责任公司东莞供电局 | GIS loop resistance testing device and method |
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