CN113933565B - Measurement indicating device and method for relay pressure protection plate - Google Patents
Measurement indicating device and method for relay pressure protection plate Download PDFInfo
- Publication number
- CN113933565B CN113933565B CN202111184469.1A CN202111184469A CN113933565B CN 113933565 B CN113933565 B CN 113933565B CN 202111184469 A CN202111184469 A CN 202111184469A CN 113933565 B CN113933565 B CN 113933565B
- Authority
- CN
- China
- Prior art keywords
- pressing plate
- measured
- input
- voltage
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005259 measurement Methods 0.000 title claims abstract description 80
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 238000012545 processing Methods 0.000 claims description 9
- 238000012360 testing method Methods 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 10
- 241001422033 Thestylus Species 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0084—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring voltage only
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/22—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-emitting devices, e.g. LED, optocouplers
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Current Or Voltage (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention discloses a measurement indicating device and a measurement indicating method for a relay protection plate. The image acquisition module is electrically connected with the control module and is used for acquiring the identification information of the relay voltage-retaining plate to be tested. The measuring module is electrically connected with the control module and is used for respectively measuring the voltage of the first end and the voltage of the second end of the outlet pressing plate to be measured. The control module is used for determining the input judging result of the outlet pressing plate to be detected according to the pre-stored data information of the outlet pressing plate to be detected, the voltage of the first end of the outlet pressing plate to be detected and the voltage of the second end of the outlet pressing plate to be detected. The measurement indication method of the relay pressure-maintaining plate can avoid the misthrowing of the outlet pressure plate to be measured caused by the deviation of the related knowledge memorized by the operator when the operator is relied on to throw the outlet pressure plate to be measured, improve the accuracy of throwing the pressure plate to be measured and ensure the safe operation of the transformer substation.
Description
Technical Field
The embodiment of the invention relates to the technical field of relay protection, in particular to a measurement indicating device and method of a relay protection plate.
Background
The outlet pressing plate of the transformer substation protection device is an important component part of a protection loop, and mainly refers to a protection tripping pressing plate, a starting failure pressing plate, a failure joint tripping pressing plate and the like, when the protection device has the conditions that an action contact is adhered or an action relay is not returned, transformer substation operators throw the outlet pressing plate into the protection loop without measurement, so that the circuit breaker is tripped by mistake, unnecessary loss is caused, and the safety and the stability of a power grid are affected. Thus, when an operation requiring the replacement of an outlet platen is involved, a substation operator needs to measure the voltage across the platen to determine whether to throw the outlet platen before throwing the relevant outlet platen.
At present, when transformer substation operating personnel measure the voltage at both ends of an outlet pressing plate, a high-resistance universal meter is adopted, and then whether the outlet pressing plate can be put into operation is judged according to the voltage at both ends measured by the universal meter, but the above process for judging whether the outlet pressing plate can be put into operation depends on the relevant knowledge memorized by the operating personnel to judge, so that the situation of wrong judgment is easily caused due to memory deviation, the outlet pressing plate is misthrown, and the safe operation of the transformer substation is influenced.
Disclosure of Invention
The invention provides a measurement indicating device and method for a relay pressure maintaining plate, which are used for improving the input accuracy of the relay pressure maintaining plate and ensuring the safe operation of a transformer substation.
In a first aspect, an embodiment of the present invention provides a measurement indicating device of a secondary pressure protection plate, including a measurement module, a control module, an image acquisition module, and a display module;
the image acquisition module is electrically connected with the control module and is used for acquiring identification information of the to-be-detected continuous pressure maintaining plate, and the to-be-detected continuous pressure maintaining plate comprises an outlet pressing plate to be detected;
the measuring module is electrically connected with the control module and is used for measuring the voltage of the first end and the voltage of the second end of the outlet pressing plate to be measured respectively;
the control module is used for determining an input judging result of the outlet pressing plate to be tested according to the pre-stored data information of the outlet pressing plate to be tested, the voltage of the first end of the outlet pressing plate to be tested and the voltage of the second end of the outlet pressing plate to be tested, and the input judging result comprises input possible and input impossible;
the display module is electrically connected with the control module and is used for displaying the input judging result of the outlet pressing plate to be tested.
Optionally, a first end of the outlet pressing plate to be tested is connected with a first power supply, a second end of the outlet pressing plate to be tested is connected with a second power supply, the voltage output by the first power supply is a positive voltage, and the voltage output by the second power supply is a negative voltage;
the control module is used for determining that the input judgment result of the outlet pressing plate to be measured is input when the voltage of the first end of the outlet pressing plate to be measured, which is measured by the measurement module, is zero and the voltage of the second end of the outlet pressing plate to be measured is negative;
the control module is used for determining that the input judgment result of the outlet pressing plate to be measured is non-input when the voltage of the first end of the outlet pressing plate to be measured, which is measured by the measurement module, is positive and the voltage of the second end is negative; or the control module is used for determining that the input judgment result of the outlet pressing plate to be measured is non-input when the voltage of the first end of the outlet pressing plate to be measured, which is measured by the measurement module, is zero and the voltage of the second end of the outlet pressing plate to be measured is zero; or the control module is used for determining that the input judgment result of the outlet pressing plate to be measured is non-input when the voltage of the first end of the outlet pressing plate to be measured, which is measured by the measurement module, is positive and the voltage of the second end is positive.
Optionally, the measurement indicating device of the relay protection plate further comprises an operation panel, the operation panel is electrically connected with the control module, the operation panel comprises a plurality of input units, and the control module is used for entering a corresponding working mode according to the input actions of the input units.
Optionally, the plurality of input units include a first input unit, a second input unit, a third input unit, a fourth input unit, and a fifth input unit;
the control module is used for entering a pressing plate identification mode according to the input action of the first input unit, and identifying the to-be-detected relay protection plate according to the identification information of the to-be-detected relay protection plate acquired by the image acquisition module;
the control module is used for entering a pressure plate measuring mode according to the input action of the second input unit, and acquiring the voltage of the first end and the voltage of the second end of the outlet pressure plate to be measured, which are measured by the measuring module;
the control module is used for entering a pressing plate library selection mode according to the input action of the third input unit, and selecting a database corresponding to the to-be-detected relay pressure maintaining plate according to the identification information of the to-be-detected relay pressure maintaining plate;
the control module is used for entering a pressing plate judging mode according to the input action of the fourth input unit, and determining the input judging result of the to-be-detected outlet pressing plate according to the pre-stored data information of the to-be-detected outlet pressing plate, the voltage of the first end of the to-be-detected outlet pressing plate and the voltage of the second end of the to-be-detected outlet pressing plate;
the control module is used for entering a shutdown mode according to the input action of the fifth input unit.
Optionally, the measurement module comprises a measurement unit, a gear adjusting unit and a signal conversion unit;
the measuring unit is used for connecting the testing end of the outlet pressing plate to be measured with a ground wire, and the testing end of the outlet pressing plate to be measured is a first end or a second end of the outlet pressing plate to be measured;
the gear adjusting unit is electrically connected with the measuring unit and is used for adjusting the measuring gear of the measuring unit;
one end of the signal conversion unit is electrically connected with the gear adjusting unit, the other end of the signal conversion unit is electrically connected with the control module, and the signal conversion unit is used for converting the voltage signal measured by the measuring unit into an input signal which can be identified by the control module.
Optionally, the measuring unit includes a stylus and a grounding clamp, the stylus is used for connecting the testing end of the outlet pressing plate to be measured, and the grounding clamp is used for connecting the grounding wire.
Optionally, the signal conversion unit includes a photo-isolator.
Optionally, the control module includes a processing unit and a storage unit, where the processing unit is electrically connected to the measurement module, the image acquisition module, the display module and the storage unit respectively;
the storage unit is used for storing data information of a plurality of outlet pressing plates in advance, and the data information of the outlet pressing plates comprises data information of the outlet pressing plates to be detected.
Optionally, the to-be-detected relay pressure maintaining plate further includes a to-be-detected functional pressure plate, and the control module is configured to determine, according to the identification information of the to-be-detected relay pressure maintaining plate acquired by the image acquisition module, a name and a type of the to-be-detected relay pressure maintaining plate as the to-be-detected functional pressure plate, and control the display module to display the type and the name of the to-be-detected relay pressure maintaining plate.
In a second aspect, an embodiment of the present invention further provides a measurement indication method of a secondary voltage protection plate, where the measurement indication method of the secondary voltage protection plate includes:
the image acquisition module acquires the identification information of the relay voltage-retaining plate to be detected; the to-be-tested pressure-maintaining plate comprises an outlet pressing plate to be tested;
the measuring module is used for respectively measuring the voltage of the first end and the voltage of the second end of the outlet pressing plate to be measured;
the control module determines an input judging result of the outlet pressing plate to be tested according to the pre-stored data information of the outlet pressing plate to be tested, the voltage of the first end of the outlet pressing plate to be tested and the voltage of the second end of the outlet pressing plate to be tested, wherein the input judging result comprises input possible and input impossible;
and the display module displays the input judging result of the outlet pressing plate to be tested.
The embodiment of the invention provides a measurement indicating device and a measurement indicating method for a relay pressure-retaining plate. The control module determines the name and the type of the to-be-measured secondary pressure-retaining plate according to the identification information of the to-be-measured secondary pressure-retaining plate, and when the to-be-measured secondary pressure-retaining plate is the to-be-measured outlet pressure plate, the control module determines the input judging result of the to-be-measured outlet pressure plate according to the voltage of the first end and the voltage of the second end of the to-be-measured outlet pressure plate measured by the measuring module and the pre-stored data information of the to-be-measured outlet pressure plate, and displays the input judging result on the display module. The control module of the embodiment of the invention judges whether the to-be-measured outlet pressing plate is put into the to-be-measured outlet pressing plate according to the pre-stored data information of the to-be-measured outlet pressing plate and the voltages of the first end and the second end of the to-be-measured outlet pressing plate measured by the measuring module, so that the phenomenon of miscasting of the to-be-measured outlet pressing plate caused by deviation of the related knowledge memorized by an operator when the to-be-measured outlet pressing plate is put into the to-be-measured outlet pressing plate by the operator can be avoided, the accuracy of the to-be-measured pressing plate input is improved, and the safe operation of the transformer substation is ensured.
Drawings
Fig. 1 is a schematic structural diagram of a measurement indicating device with a secondary pressure-maintaining plate according to an embodiment of the present invention;
FIG. 2 is a circuit diagram of a connection of a relay protection board according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a measurement indicating device with a secondary pressure-retaining plate according to a second embodiment of the present invention;
fig. 4 is a schematic structural diagram of a measurement indicating device with a secondary pressure-maintaining plate according to a third embodiment of the present invention;
fig. 5 is a schematic structural diagram of a measurement indication method of a secondary pressure-keeping plate according to a fourth embodiment of the present invention;
fig. 6 is a flowchart of a measurement indication method for a relay protection plate according to a fifth embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present invention are shown in the drawings.
Example 1
Fig. 1 is a schematic structural diagram of a measurement indicating device with a secondary pressure protection plate according to a first embodiment of the present invention, and referring to fig. 1, the measurement indicating device with a secondary pressure protection plate includes a measurement module 100, a control module 200, an image acquisition module 300, and a display module 400;
the image acquisition module 300 is electrically connected with the control module 200, and the image acquisition module 300 is used for acquiring identification information of a to-be-detected secondary pressure maintaining plate which comprises an outlet pressure plate to be detected;
the measuring module 100 is electrically connected with the control module 200, and the measuring module 100 is used for respectively measuring the voltage of the first end and the voltage of the second end of the outlet pressing plate to be measured;
the control module 200 is configured to determine an input determination result of the outlet platen to be tested according to pre-stored data information of the outlet platen to be tested, a voltage of a first end of the outlet platen to be tested, and a voltage of a second end of the outlet platen to be tested, where the input determination result includes an input possible and an input impossible;
the display module 400 is electrically connected with the control module 200, and the display module 400 is used for displaying the input determination result of the outlet pressing plate to be tested.
The image acquisition module 300 may include a camera through which an image of the relay protection plate to be tested is acquired. The identification information comprises IDs of the to-be-tested relay pressure-maintaining plates, wherein each to-be-tested relay pressure-maintaining plate corresponds to a unique ID, namely, each ID corresponds to the name and the type of one to-be-tested relay pressure-maintaining plate. The ID may be a string of numbers. The IDs are marked on the to-be-measured secondary voltage-protection plate, and the control module 200 can determine the name and type of the to-be-measured secondary voltage-protection plate according to the ID of the to-be-measured secondary voltage-protection plate acquired by the image acquisition module 300. Wherein the type of relay pressure protection board to be tested includes the export pressure board to be tested.
The control module 200 may be a chip, the display module 400 may be a display screen, the display module 400 may display the input determination result of the outlet pressing plate to be tested, and may also display the measured voltage of the first end and the voltage of the second end of the outlet pressing plate to be tested, and the name and the type of the relay pressing plate to be tested. The data information of the outlet pressing plate to be tested comprises a standard value of the voltage of the first end and a standard value of the voltage of the second end corresponding to the outlet pressing plate to be tested when the outlet pressing plate to be tested can be put into the device, and a standard value of the voltage of the first end and a standard value of the voltage of the second end corresponding to the outlet pressing plate to be tested when the outlet pressing plate to be tested cannot be put into the device.
The working principle of the measurement indicating device of the relay pressure protection plate is as follows: after the image acquisition module 300 acquires the identification information of the to-be-measured relay voltage protection plate, the identification information is transmitted to the control module 200, and the control module 200 determines the name and the category of the to-be-measured relay voltage protection plate according to the identification information and can display the name and the category of the to-be-measured relay voltage protection plate on the display module 400. When the to-be-measured relay pressure-maintaining plate is the to-be-measured outlet pressure plate, the measuring module 100 measures the voltage of the first end and the voltage of the second end of the to-be-measured outlet pressure plate, and the control module 200 determines the input result of the to-be-measured outlet pressure plate according to the prestored standard value of the voltage of the first end, the standard value of the voltage of the second end, the measured voltage of the first end and the measured voltage of the second end of the corresponding to-be-measured outlet pressure plate, and displays the input judgment result on the display module 400, so that the operator can conveniently review the input result.
According to the measurement indicating device for the secondary pressure maintaining plate, the control module judges whether the to-be-measured outlet pressure plate is put into the to-be-measured outlet pressure plate according to the pre-stored data information of the to-be-measured outlet pressure plate and the voltage of the first end and the second end of the to-be-measured outlet pressure plate measured by the measurement module, so that misthrowing of the to-be-measured outlet pressure plate caused when deviation occurs due to the related knowledge memorized by an operator when the to-be-measured outlet pressure plate is put into the to-be-measured outlet pressure plate by the operator can be avoided, the input accuracy of the to-be-measured secondary pressure maintaining plate is improved, and the safe operation of a transformer substation is ensured.
Fig. 2 is a circuit diagram of a connection of a relay voltage protection board according to a first embodiment of the present invention, referring to fig. 1 and 2, alternatively, a first end of an outlet voltage board 02 to be tested is connected to a first power supply A1, a second end of the outlet voltage board 02 to be tested is connected to a second power supply A2, a voltage output by the first power supply A1 is a positive voltage, and a voltage output by the second power supply A2 is a negative voltage;
the control module 200 is configured to determine that the input determination result of the outlet platen 02 to be measured is input when the voltage of the first end of the outlet platen 02 to be measured by the measurement module 100 is zero and the voltage of the second end is negative;
the control module 200 is configured to determine that the input determination result of the outlet platen 02 to be measured is non-input when the voltage at the first end of the outlet platen 02 to be measured by the measurement module 100 is a positive value and the voltage at the second end is a negative value; or, the control module 200 is configured to determine that the input determination result of the outlet platen 02 to be measured is non-input when the voltage of the first end of the outlet platen 02 to be measured by the measurement module 100 is zero and the voltage of the second end is zero; alternatively, the control module 200 is configured to determine that the input determination result of the outlet platen 02 to be measured is non-input when the voltage of the first end of the outlet platen 02 to be measured by the measurement module 100 is positive and the voltage of the second end is positive.
Illustratively, the outlet platen 02 to be tested is connected to the first power supply A1 through the contact Q1 of the relay of a certain functional platen, and the second end of the outlet platen 02 to be tested is connected to the second power supply A2 through a certain protection relay 03. When the voltage at the first end of the outlet pressing plate 02 to be detected is zero and the voltage at the second end is negative, the contact Q1 of the relay of the functional pressing plate is indicated to be disconnected, and the protective relay 03 does not act to disconnect the contact, so that the pressing plate can be put into the state.
When the voltage of the first end of the outlet pressing plate 02 to be tested is a positive value and the voltage of the second end is a negative value, the contact Q1 of the relay of the functional pressing plate is indicated to be tripped under the condition that electricity is not obtained, the contact Q1 of the relay of the functional pressing plate is always in a closed state because the contact Q1 of the relay of the functional pressing plate is adhered or the relay is not returned, the outlet pressing plate 02 to be tested cannot be put into the state, otherwise, after the outlet pressing plate 02 to be tested is put into the state, the protective relay 03 has current to flow, and the circuit breaker in the protective device related to the protective relay 03 is tripped by mistake, so that the safety and the stability of a power grid are affected.
The voltage of the first end of the outlet pressing plate 02 to be measured is zero, and the voltage of the second end is zero, which indicates that the loop is disconnected and is not connected, and the outlet pressing plate 02 to be measured is not put into operation at the moment, or the voltage of the first end of the outlet pressing plate 02 to be measured is positive, and the outlet pressing plate 02 to be measured is not put into operation when the voltage of the second end is positive.
Example two
Fig. 3 is a schematic structural diagram of a measurement indicating device with a secondary pressure-maintaining plate according to a second embodiment of the present invention, and, optionally, referring to fig. 3, the measurement module 100 includes a measurement unit 110, a gear adjusting unit 120, and a signal converting unit 130;
the measuring unit 110 is used for connecting a testing end of the outlet pressing plate to be measured with a ground wire, wherein the testing end of the outlet pressing plate to be measured is a first end or a second end of the outlet pressing plate to be measured;
the gear adjusting unit 120 is electrically connected with the measuring unit 110, and the gear adjusting unit 120 is used for adjusting the measured gear of the measuring unit 110;
one end of the signal conversion unit 130 is electrically connected to the gear adjusting unit 120, and the other end is electrically connected to the control module 200, and the signal conversion unit 130 is configured to convert the voltage signal measured by the measurement unit 110 into an input signal identifiable by the control module 200.
Optionally, the measuring unit 110 includes a stylus for connecting with the test end of the outlet platen to be measured, and a grounding clip for connecting with a grounding wire.
When the voltage of the first end of the outlet pressing plate to be measured is measured, the meter pen is contacted with the first end of the outlet pressing plate to be measured, and the grounding clamp clamps the grounding wire. When the voltage of the second end of the outlet pressing plate to be measured is measured, the meter pen is contacted with the second end of the outlet pressing plate to be measured, and the grounding clamp clamps the grounding wire. When the voltage of the outlet pressing plate to be measured is measured through the measuring unit 110, the operation can be performed by only one hand, the first end and the ground wire do not need to be respectively controlled by two hands, or the second end and the ground wire do not need to be respectively controlled by two hands, so that the measurement of the outlet pressing plate to be measured is easier to operate. And the measured voltage is transmitted to the control module 200, and the control module 200 controls the display module 400 to display the measured voltage, so that the operator can read conveniently.
When the voltage at the two ends of the outlet pressing plate to be measured is measured, after the gear adjusting unit 120 is adjusted to the direct-current voltage gear, the voltage at the first end or the second end of the outlet pressing plate to be measured can be measured.
Optionally, the signal conversion unit 130 includes a photo-isolator. The voltage value of the voltage signal measured by the measuring unit 110 is relatively large, and the direct input into the control module 200 may cause damage to the control module 200. Therefore, the signal conversion is required to be performed through the photo-isolator. The signal output via the opto-isolator can be recognized by the control module 200 without damaging the control module 200 by an excessive factor.
Example III
Fig. 4 is a schematic structural diagram of a measurement indicating device for a secondary pressure-maintaining plate according to a third embodiment of the present invention, and referring to fig. 4, based on the above embodiments, optionally, the control module 200 includes a processing unit 210 and a storage unit 220, where the processing unit 210 is electrically connected to the measurement module 100, the image acquisition module 300, the display module 400 and the storage unit 220, respectively;
the storage unit 220 is configured to store data information of a plurality of outlet pressing plates in advance, where the data information of the plurality of outlet pressing plates includes data information of an outlet pressing plate to be measured.
The data information of each outlet pressing plate included in the power grid system may be stored in the storage unit 220 in advance, so that when the measurement of the outlet pressing plate to be measured is performed and whether the outlet pressing plate to be measured can be thrown or not is judged, the processing unit 210 may directly call the data information of the outlet pressing plate to be measured from the storage unit 220.
The working process of the measurement indicating device of the secondary pressure protection plate in this embodiment is the same as that in the first embodiment, and the description of this embodiment is omitted here.
In the embodiment, when the voltage of the outlet pressing plate to be measured is measured through the measuring unit, the operation can be performed by only one hand, and two hands are not required to be respectively in control contact with the first end or the second end and the grounding wire, so that the measurement of the outlet pressing plate to be measured is easier to operate. And the measured voltage is transmitted to the control module, and the control module controls the display module to display the measured voltage, so that the operator can read conveniently.
Example IV
Fig. 5 is a schematic structural diagram of a measurement indicating device for a secondary voltage protection plate according to a fourth embodiment of the present invention, and referring to fig. 5, based on the above embodiments, optionally, the measurement indicating device for a secondary voltage protection plate further includes an operation panel 500, where the operation panel 500 is electrically connected to the control module 200, and the operation panel 500 includes a plurality of input units, and the control module 200 is configured to enter a corresponding working mode according to an input action of the input units.
Specifically, when the control module 200 includes the processing unit 210, the operation panel 500 is electrically connected to the processing unit 210. Alternatively, the input unit may be a key, and when the key is pressed by an external force, the input unit may be considered to receive an input action, and the control module 200 enters a corresponding working mode according to the input action of the input unit.
With continued reference to fig. 5, the plurality of input units may optionally include a first input unit 510, a second input unit 520, a third input unit 530, a fourth input unit 540, and a fifth input unit 550;
the control module 200 is configured to enter a platen recognition mode according to an input action of the first input unit 510, and recognize the to-be-detected secondary protective platen according to the identification information of the to-be-detected secondary protective platen acquired by the image acquisition module 300;
the control module 200 is configured to enter a platen measurement mode according to an input action of the second input unit 520, and obtain a voltage at a first end and a voltage at a second end of the outlet platen to be measured by the measurement module 100;
the control module 200 is configured to enter a platen library selection mode according to an input action of the third input unit 530, and select a database corresponding to the to-be-tested relay pressure maintaining plate according to identification information of the to-be-tested relay pressure maintaining plate;
the control module 200 is configured to enter a platen judgment mode according to an input action of the fourth input unit 540, and determine a determination result of input of the outlet platen to be measured according to pre-stored data information of the outlet platen to be measured, a voltage of the first end of the outlet platen to be measured, and a voltage of the second end of the outlet platen to be measured;
the control module 200 is configured to enter a shutdown mode according to an input action of the fifth input unit 550.
The input units may be keys, the first input unit 510 may be key 1, the second input unit 520 may be key 2, the third input unit 530 may be key 3, the fourth input unit 540 may be key 4, the fifth input unit 550 may be key 5, and the operation panel may further include a sixth input unit and a seventh input unit, the sixth input unit may be a confirm key, and the seventh input unit may be a cancel key.
When the control module 200 acquires that the key 1 receives an input action, the control module enters a pressing plate recognition mode. In the platen recognition mode, the image acquisition module 300 acquires the identification information of the to-be-detected continuous pressure maintaining plate, the control module determines the name and the category of the to-be-detected continuous pressure maintaining plate according to the identification information of the to-be-detected continuous pressure maintaining plate, and the display module 400 can be controlled to display the name and the category of the to-be-detected continuous pressure maintaining plate. When the pressure maintaining plate to be measured displayed by the display module 400 is the outlet pressure plate to be measured, an external force can be applied to the key 2, the control module 200 enters a pressure plate measurement mode when receiving input actions from the key 2, and the measurement unit 110 measures the voltage of the first end and the voltage of the second end of the outlet pressure plate to be measured and transmits the voltage to the control module 200. When the control module 200 acquires that the key 3 receives an input action, the control module enters a pressing plate library selection mode, and selects a pressing plate library corresponding to the outlet pressing plate to be detected. When the control module 200 receives an input action from the key 4, the control module 200 enters a pressing plate judging mode, determines a judging result of input of the to-be-detected outlet pressing plate according to data information of the to-be-detected outlet pressing plate, voltage of the first end and voltage of the second end, which are stored in the selected pressing plate library in advance, and controls the display module 400 to display the judging result of input. And the operator can determine whether to throw in the outlet pressing plate to be tested according to the throwing judgment result. When the control module 200 acquires that the key 5 receives the input action, the measurement indicating device of the follow-up pressure maintaining plate is controlled to be shut down.
With continued reference to fig. 5, optionally, the to-be-measured relay pressure maintaining plate further includes a to-be-measured functional pressure plate, the control module 200 is configured to determine a name and a type of the to-be-measured relay pressure maintaining plate as the to-be-measured functional pressure plate according to the identification information of the to-be-measured relay pressure maintaining plate acquired by the image acquisition module 300, and control the display module 400 to display the type and the name of the to-be-measured relay pressure maintaining plate.
When the control module 200 determines the name of the to-be-measured subsequent pressure maintaining plate and the to-be-measured subsequent pressure maintaining plate is the to-be-measured functional pressure plate according to the identification information of the to-be-measured subsequent pressure maintaining plate acquired by the image acquisition module 300, the control display module 400 displays the type and the name of the to-be-measured subsequent pressure maintaining plate. And when the operator determines that the to-be-measured relay pressure-maintaining plate is the to-be-measured functional pressure plate according to the information displayed by the display module 400, the to-be-measured functional pressure plate can be directly put into the operation without voltage measurement.
Example five
Fig. 6 is a flowchart of a measurement indication method for a secondary pressure-maintaining plate according to a fifth embodiment of the present invention, where the method may be applicable to determining whether to throw in a to-be-measured secondary pressure-maintaining plate, and may be executed by a measurement indication device for a secondary pressure-maintaining plate, and referring to fig. 6, the measurement indication method for a secondary pressure-maintaining plate includes:
s10: the image acquisition module acquires the identification information of the relay voltage-retaining plate to be detected; the to-be-tested pressure-maintaining plate comprises an outlet pressing plate to be tested;
s20: the measuring module is used for respectively measuring the voltage of the first end and the voltage of the second end of the outlet pressing plate to be measured;
s30: the control module determines input judging results of the outlet pressing plate to be tested according to pre-stored data information of the outlet pressing plate to be tested, voltage of a first end of the outlet pressing plate to be tested and voltage of a second end of the outlet pressing plate to be tested, wherein the input judging results comprise input possible and input impossible;
optionally, the first end of the outlet pressing plate to be tested is connected with a first power supply, the second end of the outlet pressing plate to be tested is connected with a second power supply, the voltage output by the first power supply is positive voltage, and the voltage output by the second power supply is negative voltage;
the control module determines that the input judgment result of the outlet pressing plate to be measured is input when the voltage of the first end of the outlet pressing plate to be measured by the measurement module is zero and the voltage of the second end is a negative value;
the control module determines that the input judgment result of the outlet pressing plate to be measured is non-input when the voltage of the first end of the outlet pressing plate to be measured, which is measured by the measurement module, is a positive value and the voltage of the second end of the outlet pressing plate to be measured is a negative value; or the control module determines that the input judgment result of the outlet pressing plate to be measured is non-input when the voltage of the first end of the outlet pressing plate to be measured by the measurement module is zero and the voltage of the second end of the outlet pressing plate to be measured is zero; or the control module determines that the input judgment result of the outlet pressing plate to be measured is non-input when the voltage of the first end of the outlet pressing plate to be measured, which is measured by the measurement module, is positive and the voltage of the second end of the outlet pressing plate to be measured is positive.
S40: the display module displays the input judging result of the outlet pressing plate to be tested.
According to the measurement indication method of the secondary pressure-maintaining plate, when the operator is relied on to conduct whether the outlet pressure plate to be measured is put into operation or not, misinput of the outlet pressure plate to be measured caused when the related knowledge memorized by the operator is deviated can be avoided, accuracy of input of the pressure plate to be measured is improved, and safe operation of a transformer substation is guaranteed.
Note that the above is only a preferred embodiment of the present invention and the technical principle applied. 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, while the invention has been described in connection with the above embodiments, the invention is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the invention, which is set forth in the following claims.
Claims (8)
1. The measurement indicating device of the relay pressure protection plate is characterized by comprising a measurement module, a control module, an image acquisition module and a display module;
the image acquisition module is electrically connected with the control module and is used for acquiring identification information of the to-be-detected continuous pressure maintaining plate, and the to-be-detected continuous pressure maintaining plate comprises an outlet pressing plate to be detected;
the measuring module is electrically connected with the control module and is used for measuring the voltage of the first end and the voltage of the second end of the outlet pressing plate to be measured respectively;
the control module is used for determining an input judging result of the outlet pressing plate to be tested according to the pre-stored data information of the outlet pressing plate to be tested, the voltage of the first end of the outlet pressing plate to be tested and the voltage of the second end of the outlet pressing plate to be tested, and the input judging result comprises input possible and input impossible;
the display module is electrically connected with the control module and is used for displaying the input judging result of the outlet pressing plate to be tested;
the control device comprises a control module, a control module and an operation panel, wherein the control module is used for controlling the operation panel to enter a corresponding working mode according to the input action of the control module;
the plurality of input units include a first input unit, a second input unit, a third input unit, a fourth input unit, and a fifth input unit;
the control module is used for entering a pressing plate identification mode according to the input action of the first input unit, and identifying the to-be-detected relay protection plate according to the identification information of the to-be-detected relay protection plate acquired by the image acquisition module;
the control module is used for entering a pressure plate measuring mode according to the input action of the second input unit, and acquiring the voltage of the first end and the voltage of the second end of the outlet pressure plate to be measured, which are measured by the measuring module;
the control module is used for entering a pressing plate library selection mode according to the input action of the third input unit, and selecting a database corresponding to the to-be-detected relay pressure maintaining plate according to the identification information of the to-be-detected relay pressure maintaining plate;
the control module is used for entering a pressing plate judging mode according to the input action of the fourth input unit, and determining the input judging result of the to-be-detected outlet pressing plate according to the pre-stored data information of the to-be-detected outlet pressing plate, the voltage of the first end of the to-be-detected outlet pressing plate and the voltage of the second end of the to-be-detected outlet pressing plate;
the control module is used for entering a shutdown mode according to the input action of the fifth input unit.
2. The measurement indicating device of the relay protection plate according to claim 1, wherein a first end of the outlet protection plate to be tested is connected with a first power supply, a second end of the outlet protection plate to be tested is connected with a second power supply, the voltage output by the first power supply is a positive voltage, and the voltage output by the second power supply is a negative voltage;
the control module is used for determining that the input judgment result of the outlet pressing plate to be measured is input when the voltage of the first end of the outlet pressing plate to be measured, which is measured by the measurement module, is zero and the voltage of the second end of the outlet pressing plate to be measured is negative;
the control module is used for determining that the input judgment result of the outlet pressing plate to be measured is non-input when the voltage of the first end of the outlet pressing plate to be measured, which is measured by the measurement module, is positive and the voltage of the second end is negative; or the control module is used for determining that the input judgment result of the outlet pressing plate to be measured is non-input when the voltage of the first end of the outlet pressing plate to be measured, which is measured by the measurement module, is zero and the voltage of the second end of the outlet pressing plate to be measured is zero; or the control module is used for determining that the input judgment result of the outlet pressing plate to be measured is non-input when the voltage of the first end of the outlet pressing plate to be measured, which is measured by the measurement module, is positive and the voltage of the second end is positive.
3. The measurement indicating device of the relay protection plate according to claim 1, wherein the measurement module comprises a measurement unit, a gear adjusting unit and a signal conversion unit;
the measuring unit is used for connecting the testing end of the outlet pressing plate to be measured with a ground wire, and the testing end of the outlet pressing plate to be measured is a first end or a second end of the outlet pressing plate to be measured;
the gear adjusting unit is electrically connected with the measuring unit and is used for adjusting the measuring gear of the measuring unit;
one end of the signal conversion unit is electrically connected with the gear adjusting unit, the other end of the signal conversion unit is electrically connected with the control module, and the signal conversion unit is used for converting the voltage signal measured by the measuring unit into an input signal which can be identified by the control module.
4. The measurement indicating device of claim 3, wherein the measurement unit comprises a stylus for connecting the test end of the outlet platen to be measured and a ground clip for connecting the ground wire.
5. A measurement indicating device for a secondary protective plate as claimed in claim 3 wherein said signal conversion unit comprises a photo-isolator.
6. The measurement indicating device of the relay protection plate according to claim 1, wherein the control module comprises a processing unit and a storage unit, and the processing unit is electrically connected with the measurement module, the image acquisition module, the display module and the storage unit, respectively;
the storage unit is used for storing data information of a plurality of outlet pressing plates in advance, and the data information of the outlet pressing plates comprises data information of the outlet pressing plates to be detected.
7. The measurement indicating device of the relay pressure maintaining plate according to claim 1, wherein the relay pressure maintaining plate to be measured further comprises a function pressure maintaining plate to be measured, the control module is used for determining that the name and the type of the relay pressure maintaining plate to be measured are the function pressure maintaining plate to be measured according to the identification information of the relay pressure maintaining plate to be measured, which is acquired by the image acquisition module, and controlling the display module to display the type and the name of the relay pressure maintaining plate to be measured.
8. A measurement indication method of a relay protection plate, comprising:
the image acquisition module acquires the identification information of the relay voltage-retaining plate to be detected; the to-be-tested pressure-maintaining plate comprises an outlet pressing plate to be tested;
the measuring module is used for respectively measuring the voltage of the first end and the voltage of the second end of the outlet pressing plate to be measured;
the control module determines an input judging result of the outlet pressing plate to be tested according to the pre-stored data information of the outlet pressing plate to be tested, the voltage of the first end of the outlet pressing plate to be tested and the voltage of the second end of the outlet pressing plate to be tested, wherein the input judging result comprises input possible and input impossible;
the display module displays the input judging result of the outlet pressing plate to be tested;
the control device comprises a control module, a control module and an operation panel, wherein the control module is electrically connected with the control module, the operation panel comprises a plurality of input units, and the control module enters a corresponding working mode according to the input actions of the input units;
the plurality of input units include a first input unit, a second input unit, a third input unit, a fourth input unit, and a fifth input unit;
the control module enters a pressing plate identification mode according to the input action of the first input unit, and identifies the to-be-detected relay protection plate according to the identification information of the to-be-detected relay protection plate acquired by the image acquisition module;
the control module enters a pressure plate measuring mode according to the input action of the second input unit, and the voltage of the first end and the voltage of the second end of the outlet pressure plate to be measured, which are measured by the measuring module, are obtained;
the control module enters a pressing plate library selection mode according to the input action of the third input unit, and selects a database corresponding to the to-be-detected relay pressure maintaining plate according to the identification information of the to-be-detected relay pressure maintaining plate;
the control module enters a pressing plate judging mode according to the input action of the fourth input unit, and determines the input judging result of the to-be-detected outlet pressing plate according to the pre-stored data information of the to-be-detected outlet pressing plate, the voltage of the first end of the to-be-detected outlet pressing plate and the voltage of the second end of the to-be-detected outlet pressing plate;
and the control module enters a shutdown mode according to the input action of the fifth input unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111184469.1A CN113933565B (en) | 2021-10-11 | 2021-10-11 | Measurement indicating device and method for relay pressure protection plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111184469.1A CN113933565B (en) | 2021-10-11 | 2021-10-11 | Measurement indicating device and method for relay pressure protection plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113933565A CN113933565A (en) | 2022-01-14 |
| CN113933565B true CN113933565B (en) | 2024-01-09 |
Family
ID=79278649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111184469.1A Active CN113933565B (en) | 2021-10-11 | 2021-10-11 | Measurement indicating device and method for relay pressure protection plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113933565B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114851222B (en) * | 2022-05-20 | 2024-02-13 | 广东电网有限责任公司 | Mechanical equipment, method and device for controlling pressing plate to move back and forth and storage medium |
| CN116774629B (en) * | 2023-06-16 | 2024-01-23 | 国网江苏省电力有限公司泰州供电分公司 | Intelligent monitoring module and method for relay protection outlet loop number |
| CN117110690A (en) * | 2023-10-23 | 2023-11-24 | 广东电网有限责任公司东莞供电局 | Intelligent substation pressure plate potential measurement method and system |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012118244A (en) * | 2010-11-30 | 2012-06-21 | Sharp Corp | Processing system and processing method |
| CN204330849U (en) * | 2014-09-25 | 2015-05-13 | 上海上益教育设备制造有限公司 | A kind of Multi-function experimental virtual instrument |
| CN204374273U (en) * | 2014-11-28 | 2015-06-03 | 广东电网有限责任公司惠州供电局 | A kind of handheld digital secondary pressure plate measuring instrument |
| CN205608149U (en) * | 2016-05-06 | 2016-09-28 | 国家电网公司 | Automatic detect overload protection device of hard clamp plate state of protection |
| CN109842202A (en) * | 2017-11-28 | 2019-06-04 | 广东电网有限责任公司电力调度控制中心 | A method of state correctness is moved back in monitoring backup auto-activating device output clamping throwing |
| CN111416438A (en) * | 2020-03-18 | 2020-07-14 | 国网湖南省电力有限公司 | Method and system for monitoring and intelligently checking state of hard pressing plate at transformer station end |
| CN112733957A (en) * | 2021-01-21 | 2021-04-30 | 广东电网有限责任公司 | Transformer substation protection pressing plate state checking method, device, equipment and storage medium |
| CN113092843A (en) * | 2021-04-06 | 2021-07-09 | 广东电网有限责任公司 | Pressure plate voltage measuring device |
| CN113159097A (en) * | 2021-02-05 | 2021-07-23 | 广东驰行电力设备有限公司 | Method for realizing automatic identification system of pressing plate switch state under network-free condition |
-
2021
- 2021-10-11 CN CN202111184469.1A patent/CN113933565B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012118244A (en) * | 2010-11-30 | 2012-06-21 | Sharp Corp | Processing system and processing method |
| CN204330849U (en) * | 2014-09-25 | 2015-05-13 | 上海上益教育设备制造有限公司 | A kind of Multi-function experimental virtual instrument |
| CN204374273U (en) * | 2014-11-28 | 2015-06-03 | 广东电网有限责任公司惠州供电局 | A kind of handheld digital secondary pressure plate measuring instrument |
| CN205608149U (en) * | 2016-05-06 | 2016-09-28 | 国家电网公司 | Automatic detect overload protection device of hard clamp plate state of protection |
| CN109842202A (en) * | 2017-11-28 | 2019-06-04 | 广东电网有限责任公司电力调度控制中心 | A method of state correctness is moved back in monitoring backup auto-activating device output clamping throwing |
| CN111416438A (en) * | 2020-03-18 | 2020-07-14 | 国网湖南省电力有限公司 | Method and system for monitoring and intelligently checking state of hard pressing plate at transformer station end |
| CN112733957A (en) * | 2021-01-21 | 2021-04-30 | 广东电网有限责任公司 | Transformer substation protection pressing plate state checking method, device, equipment and storage medium |
| CN113159097A (en) * | 2021-02-05 | 2021-07-23 | 广东驰行电力设备有限公司 | Method for realizing automatic identification system of pressing plate switch state under network-free condition |
| CN113092843A (en) * | 2021-04-06 | 2021-07-09 | 广东电网有限责任公司 | Pressure plate voltage measuring device |
Non-Patent Citations (1)
| Title |
|---|
| 电压表测试保护出口压板异常电压分析;黄栋;山东工业技术;第4-5页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113933565A (en) | 2022-01-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113933565B (en) | Measurement indicating device and method for relay pressure protection plate | |
| CN106405410B (en) | Relay protection outlet detection method, device and system | |
| CN105676147A (en) | Radar power supply automatic test method | |
| CN103777111B (en) | Engineering automation short circuit and/or open test method | |
| CN101968512A (en) | Method for detecting alternating current short circuit non-discharge type insulators | |
| CN113049946B (en) | Board card test system | |
| CN109031088A (en) | A kind of circuit board multichannel current test method and its system | |
| KR101652835B1 (en) | OLTC Tap selector connection burnout monitoring device | |
| KR102556772B1 (en) | Apparatus for detecting phase error of watt hour meter and method thereof | |
| CN110736950A (en) | Online testing system and method for battery management system | |
| CN113777452B (en) | DC system grounding test device and method for voltage self-adaptive station | |
| CN213986738U (en) | DC relay checking device | |
| KR102417253B1 (en) | Electricity meter fault checking device and method | |
| CN108896817A (en) | Relay protection device outlet pressure plate potential measuring device with data recording function | |
| CN2901335Y (en) | Self detector for current mutual inductor fault | |
| KR20220146230A (en) | Apparatus for detection wiring mismatch of electric device | |
| CN112834860A (en) | Method for sensing equipment fault by detecting current change | |
| KR101240400B1 (en) | Multimeter having bypass circuit for ac signal input in a dc measurement mode | |
| CN110931898A (en) | Power storage battery detection method | |
| CN211955658U (en) | High, low voltage circuit breaker auxiliary contact direct current resistance testing arrangement | |
| CN220381221U (en) | Explosion-proof equipment with resistance tester | |
| CN219105130U (en) | Short circuit detection device and circuit fault detection device | |
| CN110568295B (en) | AC/DC load fault detection circuit and detection method thereof | |
| CN115420963A (en) | Plant station startup debugging phase checking device and method | |
| CN116008864A (en) | Secondary circuit detection device and detection method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |