CN113311326A - Intelligent cloud circuit breaker sequential control detection device and method - Google Patents
Intelligent cloud circuit breaker sequential control detection device and method Download PDFInfo
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- CN113311326A CN113311326A CN202110758846.1A CN202110758846A CN113311326A CN 113311326 A CN113311326 A CN 113311326A CN 202110758846 A CN202110758846 A CN 202110758846A CN 113311326 A CN113311326 A CN 113311326A
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- 238000001514 detection method Methods 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title description 3
- 238000012360 testing method Methods 0.000 claims abstract description 112
- 238000004891 communication Methods 0.000 claims abstract description 5
- 238000009413 insulation Methods 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000002955 isolation Methods 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000010354 integration Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3271—Testing of circuit interrupters, switches or circuit-breakers of high voltage or medium voltage devices
- G01R31/3272—Apparatus, systems or circuits therefor
- G01R31/3274—Details related to measuring, e.g. sensing, displaying or computing; Measuring of variables related to the contact pieces, e.g. wear, position or resistance
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3271—Testing of circuit interrupters, switches or circuit-breakers of high voltage or medium voltage devices
- G01R31/3275—Fault detection or status indication
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25252—Microprocessor
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- Automation & Control Theory (AREA)
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- Gas-Insulated Switchgears (AREA)
Abstract
The invention provides an intelligent cloud circuit breaker sequential control detection device, which comprises a low-voltage test module, a high-voltage test module, a controller, a power supply module, a low-voltage output module and a high-voltage output module, wherein the low-voltage test module and the high-voltage test module are connected with the controller through a control bus, the low-voltage test module and the high-voltage test module are connected with the power supply module through a power supply bus, the low-voltage output module is connected with the low-voltage test module through an output bus, the low-voltage output module is used for being connected with an external tested circuit breaker, the high-voltage output module is connected with the high-voltage test module, and the high-voltage output module is used for being connected with the external tested circuit breaker; the module communication adopts an arrangement bus technology, and realizes the integration of standard wiring, reliable connection, sequential control test and single test.
Description
Technical Field
The invention relates to the technical field of circuit breaker detection, in particular to an intelligent cloud circuit breaker sequential control detection device and method.
Background
The 10kV vacuum circuit breaker handover test specified by the GB 50150-2016 electrical device installation engineering electrical equipment handover test standard comprises an insulation test, a loop resistance test, a switching-off and switching-on coil resistance measurement, a circuit breaker characteristic test and an alternating current withstand voltage test, so that 5 sets of corresponding test instruments, 3 test coils and 1 set of corresponding power lines need to be prepared during detection.
Moreover, the conventional 5 sets of independent instruments are used for carrying out the circuit breaker handover test, and the following disadvantages are caused:
1. the instrument is switched frequently, and 4-5 persons are needed to work cooperatively.
2.5 groups of 26 test wires need to be connected, the connection is messy, and the wrong connection is easy to cause test failure.
3. The staff works in the security fence, easily electrocutes when carrying out the insulation project test.
4. The aerial plug wiring is extremely unreliable and must be supported by personnel.
5. The test data is manually recorded, the test report is manually filled, and the automation degree is low.
Disclosure of Invention
There is a need to provide an intelligent cloud breaker sequence control detection device.
The utility model provides an intelligence cloud circuit breaker is in same direction as accuse detection device, includes low pressure test module, high pressure test module, controller, power module, low pressure output module, high pressure output module, low pressure test module, high pressure test module pass through control bus and are connected with the controller, and low pressure test module, high pressure test module pass through power supply bus and are connected with power module, and low pressure output module passes through output bus with low pressure test module and is connected, and low pressure output module is used for being connected with outside surveyed circuit breaker, and high pressure output module is connected with high pressure test module, and high pressure output module is used for being connected with outside surveyed circuit breaker.
According to the current and voltage required by each module during detection, a controller sequentially sends an action instruction to each module according to the sequence of the current from small to large and the voltage from low to high, receives feedback information of each module, and controls whether to send the action instruction to the next module or not according to the feedback information.
In the invention, a five-in-one mode is provided, and five sets of instruments are integrated into one set of comprehensive testing instrument. The operation space occupied by the single functional module is simplified, and the minimization of the volume is realized; the module communication adopts an arrangement bus technology, so that standard wiring and reliable connection are realized; a core control unit (controller) is developed by adopting a high-speed ARM microprocessor, so that a sequence control test and a single test are integrated; by using the high-low voltage switching device, the hidden dangers of overcurrent, overvoltage, voltage counterattack and the like caused by switching of test items are eliminated, and gapless reliable switching is realized.
Drawings
Fig. 1 is a connection diagram of functional modules of the detection device.
Fig. 2 is a connection diagram of functional modules of a detection apparatus according to another embodiment.
FIG. 3 is a block diagram of an embodiment of an AC withstand voltage test module.
FIG. 4 is a block diagram of an embodiment of an isolation module.
In the figure: the circuit breaker comprises a controller 10, a power supply module 20, a loop resistance testing module 30, a switching-on/off coil resistance testing module 40, a circuit breaker characteristic testing module 50, an insulation testing module 60, a current output module 61, a voltage output module 62, an isolation module 63, an alternating current withstand voltage testing module 70, a voltage conversion module 71, a boosting module 72, an electromagnetic shield 73 and a high-voltage output module 74.
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Referring to fig. 1 to 4, an embodiment of the present invention provides an intelligent cloud breaker sequence control detection apparatus, including a low voltage test module, a high voltage test module, a controller 10, a power supply module 20, a low voltage output module, and a high voltage output module 74, where the low voltage test module and the high voltage test module are connected to the controller 10 through a control bus, the low voltage test module and the high voltage test module are connected to the power supply module 20 through a power supply bus, the low voltage output module is connected to the low voltage test module through an output bus, the low voltage output module is used for being connected to an external breaker to be tested, the high voltage output module 74 is connected to the high voltage test module, and the high voltage output module 74 is used for being connected to an external breaker to be tested.
In the scheme, the low-voltage testing module and the high-voltage testing module share the control bus, the controller 10, the power supply bus and the power supply module 20, and the controller 10 sends control instructions to the modules respectively and sequentially to enable the modules to work sequentially in sequence to complete automatic sequential testing of the circuit breaker. This scheme adopts high-voltage module and low pressure module highly integrated's design at control end, signal input part, power supply end, practices thrift the operating space of every module, and every module need not independent control, and a plurality of modules only need be controlled by controller 10 unification through the bus. And when voltage and current are output, the high-voltage module and the low-voltage module are connected with the circuit breaker by adopting respectively suitable joints, so that the high voltage is prevented from damaging the low-voltage joint, and meanwhile, the requirement of a high-voltage test can be met.
Further, the high voltage testing module is an AC withstand voltage testing module 70, and a voltage conversion module 71 (voltage conversion module: QH40/2.5) is arranged between the AC withstand voltage testing module 70 and the controller 10. The voltage conversion module 71 is a low/high voltage conversion module, and the ac withstand voltage test module 70 is internally provided with a boosting module 72.
Furthermore, an electromagnetic shield 73 (isolator: LPD1.0) is arranged between the AC withstand voltage test module 70 and the low voltage test module, so as to avoid electromagnetic interference of high voltage to the low voltage test module.
Further, the low-voltage testing module comprises a loop resistance testing module 30, a switching-on/off coil resistance testing module 40, a circuit breaker characteristic testing module 50 and an insulation testing module 60 which are respectively connected with the controller 10.
Further, an isolation module 63 is further arranged between the loop resistance test module 30, the opening and closing coil resistance test module 40, the circuit breaker characteristic test module 50, the insulation test module 60 and the controller 10. The isolation module 63 is a photo isolator. When the controller 10 gives an action instruction to a certain module, the module is connected with a circuit breaker to start test work, and in order to avoid that the current and voltage applied by the power supply module 20 to the module are reversely connected in series to other modules along a control bus or a power supply bus to cause misoperation or interference signals, the scheme is provided with an isolation module 63.
Further, the high-voltage output module 74 is a high-voltage output connector (high-voltage output connector: NM-40/1).
Further, the low voltage output modules are a current output module 61 and a voltage output module 62 (namely, a current output connector and a low voltage output connector).
Furthermore, the intelligent cloud circuit breaker sequence control detection device further comprises a communication module, and information detected by each module in real time is sent to the cloud platform or the receiving terminal through the communication module.
According to the current and voltage required by each module during detection, a controller 10 sequentially sends an action instruction to each module according to the sequence of the current from small to large and the voltage from low to high, receives feedback information of each module, and controls whether to send the action instruction to the next module or not according to the feedback information by the controller 10. If a certain parameter of a certain module does not meet the test requirement, the controller 10(KT501B) receives the non-conforming information, sends test stopping information, and stops the test.
Further, the controller 10 sequentially controls the loop resistance testing module 30, the opening and closing coil resistance testing module 40, the circuit breaker characteristic testing module 50, the insulation testing module 60, and the ac withstand voltage testing module 70 to operate.
For example: the parameters and requirements tested by each module can be seen in GB 50150-2016. Since the loop resistance test module 30 detects the contact resistance of the circuit breaker, the applied current is 100A, and the voltage is measured; the opening and closing coil resistance testing module 40 detects the opening and closing state characteristics of the circuit breaker, and the required voltage is 220V; the circuit breaker characteristic test module 50 detects the residual characteristic parameters of the circuit breaker, and the insulation test module 60 detects the insulation performance of a contact of the circuit breaker, wherein the required voltage is 2500V; the applied voltage of the AC withstand voltage test module 70 is up to 38000V.
The modules or units in the device of the embodiment of the invention can be combined, divided and deleted according to actual needs.
The above disclosure is only illustrative of the preferred embodiments of the present invention, which should not be taken as limiting the scope of the invention, but rather the invention can be embodied in other specific forms without departing from the spirit or essential characteristics thereof. It will be understood by those skilled in the art that all or a portion of the above-described embodiments may be practiced and equivalents thereof may be resorted to as falling within the scope of the invention as claimed. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides an intelligence cloud circuit breaker is in same direction as accuse detection device which characterized in that: including low pressure test module, high pressure test module, controller, power module, low pressure output module, high pressure output module, low pressure test module, high pressure test module pass through control bus and are connected with the controller, and low pressure test module, high pressure test module pass through power supply bus and are connected with power module, and low pressure output module passes through output bus with low pressure test module and is connected, and low pressure output module is used for being surveyed the circuit breaker with the outside and is connected, and high pressure output module is connected with high pressure test module, and high pressure output module is used for being surveyed the circuit breaker with the outside and is connected.
2. The intelligent cloud breaker compliance detection device of claim 1, wherein: the high-voltage testing module is an alternating current withstand voltage testing module, and a voltage conversion module is arranged between the alternating current withstand voltage testing module and the controller.
3. The intelligent cloud breaker compliance detection device of claim 2, wherein: an electromagnetic shield is arranged between the alternating current withstand voltage test module and the low-voltage test module, so that electromagnetic interference of high voltage to the low-voltage test module is avoided.
4. The intelligent cloud breaker compliance detection device of claim 1, wherein: the low-voltage testing module comprises a loop resistance testing module, a switching-on/off coil resistance testing module, a circuit breaker characteristic testing module and an insulation testing module which are respectively connected with the controller.
5. The intelligent cloud breaker compliance detection device of claim 4, wherein: and isolation modules are arranged among the loop resistance testing module, the opening and closing coil resistance testing module, the circuit breaker characteristic testing module, the insulation testing module and the controller.
6. The intelligent cloud breaker compliance detection device of claim 4, wherein: the high-voltage output module is a high-voltage output connector.
7. The intelligent cloud breaker compliance detection device of claim 4, wherein: the low-voltage output module is a current output joint and a voltage output joint.
8. The intelligent cloud breaker compliance detection device of claim 4, wherein: the intelligent cloud circuit breaker sequential control detection device further comprises a communication module.
9. The intelligent cloud circuit breaker sequential control detection method is characterized by comprising the following steps: according to the current and the voltage required by each module during detection, the controller sequentially sends an action instruction to each module according to the sequence of the current from small to large and the voltage from low to high, receives feedback information of each module, and controls whether to send the action instruction to the next module or not according to the feedback information.
10. The intelligent cloud breaker compliance detection method of claim 9, wherein: the controller controls the action of the loop resistance testing module, the opening and closing coil resistance testing module, the circuit breaker characteristic testing module, the insulation testing module and the alternating current withstand voltage testing module in sequence.
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| CN202110758846.1A CN113311326A (en) | 2021-07-05 | 2021-07-05 | Intelligent cloud circuit breaker sequential control detection device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114325373A (en) * | 2021-12-30 | 2022-04-12 | 江苏省如高高压电器有限公司 | High-voltage circuit breaker product line integrated test method |
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