CN112285535A - Testing device and testing method for disconnecting link remote control loop - Google Patents
Testing device and testing method for disconnecting link remote control loop Download PDFInfo
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- CN112285535A CN112285535A CN202011139636.6A CN202011139636A CN112285535A CN 112285535 A CN112285535 A CN 112285535A CN 202011139636 A CN202011139636 A CN 202011139636A CN 112285535 A CN112285535 A CN 112285535A
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- 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
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/282—Testing of electronic circuits specially adapted for particular applications not provided for elsewhere
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Abstract
The embodiment of the invention discloses a testing device and a testing method for a disconnecting link remote control loop. The testing device comprises a signal sending end and a signal receiving end; a signal sending end of the testing device is electrically connected with a positive public end of the disconnecting link remote control loop, the disconnecting link remote control loop comprises a remote control switch and a measurement and control device, the remote control switch is electrically connected with the measurement and control device, a signal receiving end of the testing device is electrically connected with a connecting node of the remote control switch and the measurement and control device, and the testing device, the positive public end, the remote control switch and the connecting node of the measurement and control device form a testing loop; the testing device is used for sending a testing signal to the positive electricity public end through the signal sending end and judging whether the disconnecting link remote control loop is intact or not according to the signal received by the signal receiving end. Whether the knife gate remote control loop is intact or not is tested by the testing device, the testing effect and the testing efficiency are improved, and the labor intensity of workers is reduced.
Description
Technical Field
The embodiment of the invention relates to the technical field of testing, in particular to a disconnecting link remote control loop testing device and a testing method thereof.
Background
Along with the gradual construction of the smart power grid, the application of remote control operation of the power grid disconnecting link equipment is more and more extensive. Generally, in a power grid operation station, a disconnecting link malfunctions due to internal or external misoperation and the like, and smooth remote control operation of the disconnecting link is influenced. Therefore, in order to ensure the normal operation of the disconnecting link remote control loop, it is necessary to verify whether the disconnecting link remote control loop is intact.
Generally, the way to verify whether the remote control loop of the knife switch is intact is: and conducting test is carried out on the disconnecting link remote control loop by adopting the on-off gear of the universal meter. However, the multimeter on-off gear has the disadvantages of short response time and incapability of keeping the response time to the instantaneous on-signal, so that a worker does not need to stare at the multimeter at any time to respond, and when the multimeter does not respond, the worker can judge the integrity of the remote control loop by repeatedly testing for a plurality of times to obtain short response. Therefore, the multimeter test results in low working efficiency and high labor intensity, and even no response results in that whether the remote control loop of the disconnecting link is intact or not can not be accurately judged.
Disclosure of Invention
The invention provides a testing device and a testing method for a disconnecting link remote control loop, which are used for testing whether the disconnecting link remote control loop is intact or not, improving the testing effect and the testing efficiency and reducing the labor intensity of workers.
In a first aspect, an embodiment of the present invention provides a testing apparatus for a disconnecting link remote control loop, where the testing apparatus includes a signal sending end and a signal receiving end;
the signal sending end of the testing device is electrically connected with the positive public end of the disconnecting link remote control loop, the disconnecting link remote control loop comprises a remote control switch and a measurement and control device, the remote control switch is electrically connected with the measurement and control device, the signal receiving end of the testing device is electrically connected with the connection node of the remote control switch and the measurement and control device, and the testing device, the positive public end, the remote control switch and the connection node of the measurement and control device form a testing loop;
the testing device is used for sending a testing signal to the positive electricity public end through the signal sending end and judging whether the disconnecting link remote control loop is intact or not according to the signal received by the signal receiving end.
Optionally, the remote control switch is a remote control opening switch, a signal sending end of the testing device is electrically connected with a positive public end of the disconnecting link remote control loop, a signal receiving end of the testing device is electrically connected with a connection node of the remote control opening switch and the measurement and control device, and the testing device, the positive public end, the remote control opening switch and the connection node of the measurement and control device form a first testing loop.
Optionally, the remote control switch is a remote control closing switch, a signal sending end of the testing device is electrically connected with a positive public end of the disconnecting link remote control loop, a signal receiving end of the testing device is electrically connected with a connection node of the remote control closing switch and the measurement and control device, and the testing device, the positive public end, the remote control closing switch and the connection node of the measurement and control device form a second testing loop.
Optionally, the disconnecting link remote control loop comprises a convergence control cabinet and a remote/local handle, the convergence control cabinet is electrically connected with the remote/local handle, the remote/local handle is electrically connected with the measurement and control device, and the measurement and control device is electrically connected with the convergence control cabinet.
Optionally, the remote control switch is the remote/local handle, a signal sending end of the testing device is electrically connected with a positive public end of the disconnecting link remote control loop, a signal receiving end of the testing device is electrically connected with a connection node of the remote/local handle and the measurement and control device, and the testing device, the positive public end, the remote/local handle and the connection node of the measurement and control device form a third testing loop.
Optionally, the testing device includes a control module, a voltage stabilizing module and a test signal control module, the control module is electrically connected to the test signal control module, the voltage stabilizing module is used for providing test voltage to the test signal control module, the output end of the test signal control module is electrically connected to the positive public end of the disconnecting link remote control loop, and the input end of the test signal control module is electrically connected to the remote control switch and the connection node of the measurement and control device.
Optionally, the test signal control module comprises a first transistor, a second transistor, a first resistor, a second resistor and a third resistor, the first end of the first transistor is electrically connected with the positive common end of the disconnecting link remote control loop, the second end of the first transistor is electrically connected with the first resistor, the control end of the first transistor is electrically connected with the control module, the first resistor is electrically connected with a power supply end, the power supply end is electrically connected with the voltage stabilizing module and the second resistor, the second resistor is electrically connected with a first end of the second transistor, a second end of the second transistor is grounded, the control end of the second transistor is electrically connected with the remote control switch and the connection node of the measurement and control device, and the third resistor is connected between the second end and the control end of the second transistor.
Optionally, the testing device further comprises an indicator light and a voice module, the indicator light is electrically connected with the control module, and the voice module is electrically connected with the control module.
Optionally, the testing apparatus further includes a charging circuit, and the charging circuit is electrically connected to the voltage stabilizing module.
In a second aspect, an embodiment of the present invention further provides a testing method for a testing apparatus for a disconnecting link remote control loop, where the testing apparatus is executed by the testing apparatus, and the testing apparatus includes a signal sending end and a signal receiving end; the signal sending end of the testing device is electrically connected with the positive public end of the disconnecting link remote control loop, the disconnecting link remote control loop comprises a remote control switch and a measurement and control device, the remote control switch is electrically connected with the measurement and control device, the signal receiving end of the testing device is electrically connected with the connection node of the remote control switch and the measurement and control device, and the testing device, the positive public end, the remote control switch and the connection node of the measurement and control device form a testing loop;
the test method comprises the following steps:
during testing, a signal sending end of the testing device sends a testing signal to the positive electricity public end;
and if the signal receiving end of the testing device receives the testing signal, the testing device outputs a signal that the disconnecting link remote control loop is intact.
The invention provides a testing device for a disconnecting link remote control loop, which comprises a signal sending end and a signal receiving end, wherein the signal sending end is connected with the signal receiving end; a signal sending end of the testing device is electrically connected with a positive public end of the disconnecting link remote control loop, the disconnecting link remote control loop comprises a remote control switch and a measurement and control device, the remote control switch is electrically connected with the measurement and control device, a signal receiving end of the testing device is electrically connected with a connecting node of the remote control switch and the measurement and control device, and the testing device, the positive public end, the remote control switch and the connecting node of the measurement and control device form a testing loop; the testing device is used for sending a testing signal to the positive electricity public end through the signal sending end and judging whether the disconnecting link remote control loop is intact or not according to the signal received by the signal receiving end. The testing device solves the problems of inaccurate testing, low working efficiency, high labor intensity and the like of the existing testing method, realizes the test on whether the knife gate remote control loop is intact or not, improves the testing effect and the testing efficiency, and reduces the labor intensity of workers.
Drawings
Fig. 1 is a schematic structural diagram of a testing apparatus for a remote control loop of a disconnecting link according to a first embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a first test loop according to a second embodiment of the present invention;
FIG. 3 is a schematic diagram of a second test loop according to a second embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a third test loop according to a second embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a testing apparatus according to a second embodiment of the present invention;
FIG. 6 is a schematic structural diagram of another testing apparatus according to a second embodiment of the present invention;
fig. 7 is a flowchart of a testing method of the disconnecting link remote control loop testing device in the third embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Example one
Fig. 1 is a schematic structural diagram of a testing apparatus for a remote control loop of a disconnecting link according to a first embodiment of the present invention. Referring to fig. 1, the test apparatus 100 includes a signal transmitting terminal a1 and a signal receiving terminal a 2; a signal sending end A1 of the testing device 100 is electrically connected with a positive public end B1 of a disconnecting link remote control loop L0, the disconnecting link remote control loop L0 comprises a remote switch 10 and a measurement and control device 20, the remote switch 10 is electrically connected with the measurement and control device 20, a signal receiving end A2 of the testing device 100 is electrically connected with a connection node B2 of the remote switch 10 and the measurement and control device 20, and the testing device 100, the positive public end B1, the remote switch 10 and the connection node B2 of the measurement and control device 20 form a testing loop T0;
the testing device 100 is configured to send a test signal to the positive common terminal B1 through the signal sending terminal a1, and determine whether the disconnecting link remote control loop L0 is intact according to the signal received by the signal receiving terminal a 2.
The test signal may be a voltage signal such as 3V, 3.3V, etc.
Wherein, the measurement and control device 20 controls the conduction or the closing of the remote switch according to the received remote control command. The disconnecting link remote control loop L0 may further include a control chip such as a single chip, and the control chip sends a remote control command to the measurement and control device 20.
In the technical solution of this embodiment, the working principle of the testing apparatus is as follows: referring to fig. 1, the knife switch remote control loop L0 includes a remote control switch 10 and a measurement and control device 20, and when the measurement and control device 20 receives a command of switching on/off of the remote control switch, the measurement and control device 20 controls the switching on/off of the remote control switch 10. In order to test whether the disconnecting link remote control loop L0 is intact, in the test, a signal sending end A1 of the testing device 100 is electrically connected with a positive electricity common end B1 of the disconnecting link remote control loop L0, a signal receiving end A2 of the testing device 100 is electrically connected with a connection node B2 of the remote control switch 10 and the measurement and control device 20, the testing device 100, the positive electricity common end B1, the remote control switch 10 and the connection node B2 of the measurement and control device 20 form a testing loop T0, the testing device 100 sends out a testing signal from the signal sending end A1, if the signal receiving end A2 of the testing device 100 receives a low-level signal, the disconnecting link remote control loop L0 is intact, and meanwhile the testing device 100 sends out a light signal, a voice prompt signal and the like to prompt a worker that the disconnecting link remote control loop L0. If the signal receiving terminal a2 of the testing apparatus 100 receives the high level signal, it indicates that the disconnecting link remote control loop L0 is abnormal, and at the same time, the testing apparatus 100 will send out a light signal, a voice prompt signal, etc. to prompt the operator that the disconnecting link remote control loop L0 is abnormal. Therefore, when it is required to test whether the disconnecting link remote control loop L0 is intact, the worker only needs to electrically connect the signal transmitting terminal a1 and the signal receiving terminal a2 of the testing apparatus 100 to the positive common terminal B1 of the disconnecting link remote control loop and the point to be tested (for example, the connection node B2 of the remote control switch 10 and the measurement and control apparatus 20), and then press the test signal sending button (or other switches for controlling sending of the test signal) of the testing apparatus 100 to perform the test. Compared with the existing multimeter test method, the test device can avoid the problem that the multimeter test method cannot be kept due to short response time of the instantaneous conduction signal, and has the advantages of high test efficiency, good test effect, simplicity in operation and low labor intensity of workers.
It should be noted that, in this embodiment, only the connection node B2 of the remote switch 10 and the measurement and control device 20 is taken as an example to be described as a test point, the test point may be other lines, nodes, and the like to be tested, and only the signal receiving terminal a2 of the test device 100 needs to be connected to the corresponding test point during testing, and a specific connection point may be set according to actual needs, which is not specifically limited in this embodiment.
It should be noted that the signal receiving terminal a2 of the test apparatus 100 may be configured to indicate that the disconnecting link remote control circuit L0 is intact when receiving a high-level signal, and indicate that the disconnecting link remote control circuit L0 is abnormal when receiving a low-level signal. The configuration may also be other level signals capable of indicating that the disconnecting link remote control loop L0 is sound or abnormal, and the level signals may be specifically set according to actual needs, and are not specifically limited in this embodiment.
According to the technical scheme, the testing device for the disconnecting link remote control loop comprises a signal sending end and a signal receiving end; a signal sending end of the testing device is electrically connected with a positive public end of the disconnecting link remote control loop, the disconnecting link remote control loop comprises a remote control switch and a measurement and control device, the remote control switch is electrically connected with the measurement and control device, a signal receiving end of the testing device is electrically connected with a connecting node of the remote control switch and the measurement and control device, and the testing device, the positive public end, the remote control switch and the connecting node of the measurement and control device form a testing loop; the testing device is used for sending a testing signal to the positive electricity public end through the signal sending end and judging whether the disconnecting link remote control loop is intact or not according to the signal received by the signal receiving end. The problems of inaccurate test, low working efficiency, high labor intensity and the like of the conventional test method are solved, whether the knife gate remote control loop is intact or not is tested by the test device, the test effect and the test efficiency are improved, and the labor intensity of workers is reduced.
Example two
Fig. 2 is a schematic structural diagram of a test loop provided in the second embodiment of the present invention, fig. 3 is a schematic structural diagram of a second test loop in the second embodiment of the present invention, and fig. 4 is a schematic structural diagram of a third test loop in the second embodiment of the present invention. Based on the above embodiments, the remote switch 10 of the knife switch remote control loop L0 can be a remote control switch-off switch, a remote control switch-on switch, a remote/local handle. Referring to fig. 2, 3 and 4, respectively, the test loop will be described for the case where the remote switch 10 is a remote control opening switch, a remote control closing switch, a remote/local handle, respectively.
Specifically, referring to fig. 2-4, the disconnecting link remote control loop L0 includes a central control cabinet 30 and a remote/local handle K1, the central control cabinet 30 is electrically connected to the remote/local handle K1, the remote/local handle K1 is electrically connected to the measurement and control device 20, and the measurement and control device 20 is electrically connected to the central control cabinet 30.
The remote/local handle K1 can be controlled by the measurement and control device 20, a manual operation or other control chips, and the like, when the measurement and control device 20 receives a remote control command, the remote/local handle K1 is controlled to be closed, the disconnecting link remote control loop L0 enters a remote control operation mode, otherwise, the remote/local handle K1 is disconnected, and the operation mode is a conventional operation mode. The control cubicle 30 may be a GIS control cubicle.
Optionally, referring to fig. 2, the remote control switch 10 is a remote control opening switch K2, the signal transmitting terminal a1 of the testing device 100 is electrically connected to a positive common terminal B1 of the disconnecting link remote control loop L0, the signal receiving terminal a2 of the testing device 100 is electrically connected to the remote control opening switch K2 and a connection node B21 of the measurement and control device 20, and the testing device 100, the positive common terminal B1, the remote control opening switch K2 and a connection node B21 of the measurement and control device 20 form a first testing loop T1.
Specifically, the remote/home handle K1 is closed and the knife gate remote control loop L0 enters a remote operation mode. When the measurement and control device 20 receives the remote control opening command, the measurement and control device 20 controls the remote control opening switch K2 to be closed, so that the disconnecting link remote control loop L0 enters a remote opening operation mode, and at this time, the convergence control cabinet 30, the remote/local handle K1 and the remote control opening switch K2 form a disconnecting link remote control loop L0. In order to test whether the disconnecting link remote control loop L0 is intact, a worker electrically connects a signal transmitting end A1 of the testing device 100 with a positive common end B1 of a disconnecting link remote control loop L0, electrically connects a signal receiving end A2 of the testing device 100 with a remote control disconnecting switch K2 and a connection node B21 of the measurement and control device 20, forms a first testing loop T1 by the testing device 100, the positive common end B1, the remote control disconnecting switch K2 and a connection node B21 of the measurement and control device 20, sends a testing signal (such as A3V voltage signal) through a signal transmitting end A1 of the testing device 100, and then judges whether the disconnecting link remote control loop L0 is intact according to whether the signal receiving end A2 receives the signal.
Optionally, referring to fig. 3, the remote control switch 10 is a remote control closing switch K3, the signal transmitting end a1 of the testing apparatus 100 is electrically connected to a positive common end B1 of the disconnecting link remote control loop L0, the signal receiving end a1 of the testing apparatus 100 is electrically connected to a remote control closing switch K3 and a connection node B22 of the measurement and control apparatus 20, and the testing apparatus 100, the positive common end B1, the remote control closing switch K3 and a connection node B22 of the measurement and control apparatus 20 form a second testing loop T2.
Specifically, the remote/home handle K1 is closed and the knife gate remote control loop L0 enters a remote operation mode. When the measurement and control device 20 receives the remote control closing command, the measurement and control device 20 controls the remote control closing switch K3 to be closed, so that the disconnecting link remote control loop L0 enters a remote closing operation mode, and at this time, the convergence control cabinet 30, the remote/local handle K1 and the remote control closing switch K3 form a disconnecting link remote control loop L0. In order to test whether the disconnecting link remote control loop L0 is intact, a worker electrically connects a signal transmitting end A1 of the testing device 100 with a positive common end B1 of a disconnecting link remote control loop L0, electrically connects a signal receiving end A1 of the testing device 100 with a remote control closing switch K3 and a connection node B22 of the measurement and control device 20, forms a second testing loop T2 by the testing device 100, the positive common end B1, the remote control closing switch K3 and a connection node B22 of the measurement and control device 20, sends a testing signal (such as A3V voltage signal) through a signal transmitting end A1 of the testing device 100, and then judges whether the disconnecting link remote control loop L0 is intact according to whether the signal receiving end A2 receives the signal.
Optionally, referring to fig. 4, the remote switch 10 is a remote/local handle K1, the signal transmitting end a1 of the testing apparatus 100 is electrically connected to a positive common end B1 of the disconnecting link remote control circuit L0, the signal receiving end a2 of the testing apparatus 100 and the remote/local handle K1 are electrically connected to a connection node B23 of the measurement and control apparatus 20, and the testing apparatus 100, the positive common end B1, the remote/local handle K1 and the connection node B23 of the measurement and control apparatus 20 form a third testing circuit T3.
Specifically, when the remote control command is received by the measurement and control device 20, the remote/local handle K1 is controlled to be closed, the disconnecting link remote control loop L0 enters a remote control operation mode, and at this time, the convergence control cabinet 30, the remote/local handle K1, and the remote control disconnecting switch K2 (or the remote control closing switch K3) form a disconnecting link remote control loop L0. In order to test whether the remote/local handle K1 is abnormal and whether the disconnecting link remote control loop L0 is intact, a worker electrically connects the signal transmitting terminal a1 of the testing device 100 with the positive common terminal B1 of the disconnecting link remote control loop L0, electrically connects the signal receiving terminal a2 of the testing device 100 with the remote/local handle K1 with the connection node B23 of the measurement and control device 20, forms a third testing loop T3 with the testing device 100, the positive common terminal B1, the remote/local handle K1 and the connection node B23 of the measurement and control device 20, sends a testing signal (e.g., A3V voltage signal) through the signal transmitting terminal a1 of the testing device 100, and then judges whether the disconnecting link remote control loop L0 is intact according to whether the signal receiving terminal a2 receives the signal.
Optionally, fig. 5 is a schematic structural diagram of a testing apparatus provided in the second embodiment of the present invention. Referring to fig. 5, the testing apparatus 100 includes a control module 110, a voltage regulation module 120 and a test signal control module 130, the control module 110 is electrically connected to the test signal control module 130, the voltage regulation module 120 is configured to provide a test voltage to the test signal control module 130, an output end of the test signal control module 130 is electrically connected to a positive common terminal B1 of a disconnecting link remote control loop L0, and an input end of the test signal control module 130 is electrically connected to a connection node B2 of the remote control switch 10 and the measurement and control apparatus 20.
The voltage stabilizing module 120 is configured to convert a voltage input by a power source terminal into a stable 3.3V voltage for output, so that the voltage stabilizing module 120 can provide a test voltage of 3.3V, 3V, etc. for the test signal control module 130. The power supply of the voltage stabilizing module 120 may be a rechargeable, large capacity lithium battery.
Optionally, fig. 6 is a schematic structural diagram of another testing apparatus provided in the second embodiment of the present invention. Referring to fig. 6, the test signal control block 130 includes a first transistor M1, a second transistor M2, the testing device comprises a first resistor R1, a second resistor R2 and a third resistor R3, wherein a first end of a first transistor M1 (namely, a signal sending end A1 of the testing device) is electrically connected with a positive common end of the disconnecting link remote control loop, a second end of a first transistor M1 is electrically connected with a first resistor R1, a control end of the first transistor M1 is electrically connected with the control module 110, a first resistor R1 is electrically connected with a power supply end, the power supply end is electrically connected with the voltage stabilizing module 120, the power supply end is also electrically connected with a second resistor R2, a second resistor R2 is electrically connected with a first end of a second transistor M2, a second end of a second transistor M2 is grounded, a control end of the second transistor M2 is electrically connected with a connection node of the remote control switch and the testing device (namely, a signal receiving end A2 of the testing device), and a third resistor R3 is connected between the second end and the control end of the.
The first transistor M1 may be an NPN transistor, and the second transistor M2 may be an NPN MOS transistor. The first resistor R1, the second resistor R2 and the third resistor R3 are used for voltage division and current limitation. The specific circuit diagram of the voltage stabilizing circuit 120 can refer to fig. 6.
Optionally, with continued reference to fig. 6, the testing device further includes an indicator light 140 and a voice module 150, the indicator light 140 being electrically connected to the control module 110, and the voice module 150 being electrically connected to the control module 110.
Referring to fig. 6, the indicator lamp 140 may be composed of a plurality of led circuits for indicating the circuit integrity during the testing process of whether the disconnecting link remote control circuit is intact. For example, the first light emitting diode D1 and the second light emitting diode D2 may be configured to continuously flash to indicate that the remote control circuit of the disconnecting link is intact, and only one light emitting diode may flash to indicate that the remote control circuit of the disconnecting link is abnormal. It should be noted that, as long as the setting of the indicator light can distinguish two situations that the disconnecting link remote control loop is intact or abnormal, the specific setting of the indicator light may be set according to the actual situation, and is not specifically limited in this embodiment.
Optionally, with continued reference to fig. 6, the testing apparatus further includes a charging circuit 160, and the charging circuit 160 is electrically connected to the voltage stabilizing module 120.
The charging circuit 160 may provide a power supply voltage for the voltage stabilizing module 120 and the control module 110.
In addition, referring to fig. 6, the test apparatus 100 further includes a test key S1 and a reset key S2. The test key S1 is used to directly press the test key S1 of the test apparatus 100 when the worker performs a test, and the test mode is turned on by one key.
EXAMPLE III
Fig. 7 is a flowchart of a testing method of the disconnecting link remote control loop testing apparatus according to the third embodiment of the present invention. The embodiment is applicable to the realization of the test process of the test device, the method can be executed by the test device provided by the embodiment of the invention, the test device comprises a signal sending end and a signal receiving end, the signal sending end of the test device is electrically connected with the positive public end of the disconnecting link remote control loop, the disconnecting link remote control loop comprises a remote control switch and a measurement and control device, the remote control switch is electrically connected with the measurement and control device, the signal receiving end of the test device is electrically connected with the connection node of the remote control switch and the measurement and control device, the connection node of the test device, the positive public end, the remote control switch and the measurement and control device forms a test loop, and referring to fig. 7, the specific:
The test signal may be a voltage signal such as 3.3V or 3V.
And judging whether the remote control loop of the disconnecting link is intact according to whether the signal receiving end of the testing device can receive the testing signal sent by the signal sending end. For example, the testing device sends a testing signal from the signal sending end, if the signal receiving end of the testing device receives a low level signal, it indicates that the disconnecting link remote control loop is intact, and meanwhile, the testing device sends a light signal, a voice prompt signal and the like to prompt a worker that the disconnecting link remote control loop is intact. If the signal receiving end of the testing device receives the high-level signal, the abnormity of the disconnecting link remote control loop is explained, and meanwhile, the testing device can send out a light signal, a voice prompt signal and the like to prompt the abnormity of the disconnecting link remote control loop of a worker.
According to the technical scheme of the embodiment, the testing method of the disconnecting link remote control loop testing device is provided, and the testing device comprises a signal sending end and a signal receiving end; a signal sending end of the testing device is electrically connected with a positive public end of the disconnecting link remote control loop, the disconnecting link remote control loop comprises a remote control switch and a measurement and control device, the remote control switch is electrically connected with the measurement and control device, a signal receiving end of the testing device is electrically connected with a connecting node of the remote control switch and the measurement and control device, and the testing device, the positive public end, the remote control switch and the connecting node of the measurement and control device form a testing loop; the test method comprises the following steps: during testing, a signal sending end of the testing device sends a testing signal to the positive electricity public end; if the signal receiving end of the testing device receives the testing signal, the testing device outputs a signal that the disconnecting link remote control loop is intact. The testing device solves the problems of inaccurate testing, low working efficiency, high labor intensity and the like of the existing testing method, realizes the test on whether the knife gate remote control loop is intact or not, improves the testing effect and the testing efficiency, and reduces the labor intensity of workers.
Optionally, the remote control switch is a remote control opening switch, a signal sending end of the testing device is electrically connected with a positive public end of the disconnecting link remote control loop, a signal receiving end of the testing device is electrically connected with a connection node of the remote control opening switch and the measurement and control device, and the testing device, the positive public end, the remote control opening switch and the connection node of the measurement and control device form a first testing loop.
Optionally, the remote control switch is a remote control closing switch, a signal sending end of the testing device is electrically connected with a positive public end of the disconnecting link remote control loop, a signal receiving end of the testing device is electrically connected with a connection node of the remote control closing switch and the measurement and control device, and the testing device, the positive public end, the remote control closing switch and the connection node of the measurement and control device form a second testing loop.
Optionally, the disconnecting link remote control loop comprises a convergence control cabinet and a remote/local handle, the convergence control cabinet is electrically connected with the remote/local handle, the remote/local handle is electrically connected with the measurement and control device, and the measurement and control device is electrically connected with the convergence control cabinet.
Optionally, the remote control switch is the remote/local handle, a signal sending end of the testing device is electrically connected with a positive public end of the disconnecting link remote control loop, a signal receiving end of the testing device is electrically connected with a connection node of the remote/local handle and the measurement and control device, and the testing device, the positive public end, the remote/local handle and the connection node of the measurement and control device form a third testing loop.
Optionally, the testing device includes a control module, a voltage stabilizing module and a test signal control module, the control module is electrically connected to the test signal control module, the voltage stabilizing module is used for providing test voltage to the test signal control module, the output end of the test signal control module is electrically connected to the positive public end of the disconnecting link remote control loop, and the input end of the test signal control module is electrically connected to the remote control switch and the connection node of the measurement and control device.
Optionally, the test signal control module comprises a first transistor, a second transistor, a first resistor, a second resistor and a third resistor, the first end of the first transistor is electrically connected with the positive common end of the disconnecting link remote control loop, the second end of the first transistor is electrically connected with the first resistor, the control end of the first transistor is electrically connected with the control module, the first resistor is electrically connected with a power supply end, the power supply end is electrically connected with the voltage stabilizing module and the second resistor, the second resistor is electrically connected with a first end of the second transistor, a second end of the second transistor is grounded, the control end of the second transistor is electrically connected with the remote control switch and the connection node of the measurement and control device, and the third resistor is connected between the second end and the control end of the second transistor.
Optionally, the testing device further comprises an indicator light and a voice module, the indicator light is electrically connected with the control module, and the voice module is electrically connected with the control module.
Optionally, the testing apparatus further includes a charging circuit, and the charging circuit is electrically connected to the voltage stabilizing module.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A testing device for a disconnecting link remote control loop is characterized by comprising a signal sending end and a signal receiving end;
the signal sending end of the testing device is electrically connected with the positive public end of the disconnecting link remote control loop, the disconnecting link remote control loop comprises a remote control switch and a measurement and control device, the remote control switch is electrically connected with the measurement and control device, the signal receiving end of the testing device is electrically connected with the connection node of the remote control switch and the measurement and control device, and the testing device, the positive public end, the remote control switch and the connection node of the measurement and control device form a testing loop;
the testing device is used for sending a testing signal to the positive electricity public end through the signal sending end and judging whether the disconnecting link remote control loop is intact or not according to the signal received by the signal receiving end.
2. The disconnecting link remote control loop testing device according to claim 1, wherein the remote control switch is a remote control disconnecting switch, a signal transmitting end of the testing device is electrically connected with a positive public end of the disconnecting link remote control loop, a signal receiving end of the testing device is electrically connected with a connecting node of the remote control disconnecting switch and the measurement and control device, and the testing device, the positive public end, the remote control disconnecting switch and the connecting node of the measurement and control device form a first testing loop.
3. The device for testing the remote control loop of the disconnecting link according to claim 1, wherein the remote control switch is a remote control closing switch, a signal sending end of the testing device is electrically connected with a positive public end of the remote control loop of the disconnecting link, a signal receiving end of the testing device is electrically connected with a connecting node of the remote control closing switch and the measurement and control device, and the testing device, the positive public end, the remote control closing switch and the connecting node of the measurement and control device form a second testing loop.
4. The apparatus of claim 1, wherein the remote control loop comprises a convergence cabinet and a remote/local handle, the convergence cabinet being electrically connected to the remote/local handle, the remote/local handle being electrically connected to the measurement and control device, the measurement and control device being electrically connected to the convergence cabinet.
5. The disconnecting link remote control loop testing device according to claim 4, wherein the remote control switch is the remote/local handle, a signal transmitting end of the testing device is electrically connected with a positive public end of the disconnecting link remote control loop, a signal receiving end of the testing device is electrically connected with a connecting node of the remote/local handle and the measurement and control device, and the testing device, the positive public end, the remote/local handle and the connecting node of the measurement and control device form a third testing loop.
6. The device for testing the remote control loop of the disconnecting link according to claim 1, wherein the testing device comprises a control module, a voltage stabilizing module and a testing signal control module, the control module is electrically connected with the testing signal control module, the voltage stabilizing module is used for providing testing voltage for the testing signal control module, the output end of the testing signal control module is electrically connected with a positive public end of the remote control loop of the disconnecting link, and the input end of the testing signal control module is electrically connected with a connecting node of the remote control switch and the measurement and control device.
7. The device for testing the disconnecting link remote control loop according to claim 6, wherein the test signal control module comprises a first transistor, a second transistor, a first resistor, a second resistor and a third resistor, a first end of the first transistor is electrically connected with a positive public end of the disconnecting link remote control loop, a second end of the first transistor is electrically connected with the first resistor, a control end of the first transistor is electrically connected with the control module, the first resistor is electrically connected with a power supply end, the power supply end is electrically connected with the voltage stabilizing module, the power supply end is also electrically connected with the second resistor, the second resistor is electrically connected with a first end of the second transistor, a second end of the second transistor is grounded, and a control end of the second transistor is electrically connected with a connection node of the remote control switch and the measurement and control device, the third resistor is connected between the second terminal and the control terminal of the second transistor.
8. The device for testing the disconnecting link remote control loop according to claim 6, further comprising an indicator light and a voice module, wherein the indicator light is electrically connected with the control module, and the voice module is electrically connected with the control module.
9. The apparatus for testing the remote control loop of the disconnecting link according to claim 6, further comprising a charging circuit electrically connected to the voltage stabilizing module.
10. A testing method of a disconnecting link remote control loop testing device is characterized by being executed by the testing device, wherein the testing device comprises a signal sending end and a signal receiving end; the signal sending end of the testing device is electrically connected with the positive public end of the disconnecting link remote control loop, the disconnecting link remote control loop comprises a remote control switch and a measurement and control device, the remote control switch is electrically connected with the measurement and control device, the signal receiving end of the testing device is electrically connected with the connection node of the remote control switch and the measurement and control device, and the testing device, the positive public end, the remote control switch and the connection node of the measurement and control device form a testing loop;
the test method comprises the following steps:
during testing, a signal sending end of the testing device sends a testing signal to the positive electricity public end;
and if the signal receiving end of the testing device receives the testing signal, the testing device outputs a signal that the disconnecting link remote control loop is intact.
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| CN202011139636.6A CN112285535B (en) | 2020-10-22 | 2020-10-22 | Testing device and testing method for disconnecting link remote control loop |
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| CN114076894A (en) * | 2021-11-26 | 2022-02-22 | 广东电网有限责任公司 | Method and device for detecting operation of disconnecting link, electronic equipment and storage medium |
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| CN112285535B (en) | 2022-07-05 |
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