CN110095684B - Terminal connection relation checking method and device and power distribution terminal testing device - Google Patents
Terminal connection relation checking method and device and power distribution terminal testing device Download PDFInfo
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- CN110095684B CN110095684B CN201910414760.XA CN201910414760A CN110095684B CN 110095684 B CN110095684 B CN 110095684B CN 201910414760 A CN201910414760 A CN 201910414760A CN 110095684 B CN110095684 B CN 110095684B
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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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/66—Testing of connections, e.g. of plugs or non-disconnectable joints
- G01R31/68—Testing of releasable connections, e.g. of terminals mounted on a printed circuit board
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Abstract
The application discloses a terminal connection relation checking method and equipment, wherein ends A with the same serial number in a first terminal row and a second terminal row are connected to the same terminal to be tested; the method comprises the following steps: respectively applying an electrical environment determined according to actually connected corresponding tested terminal between the terminals B with the same serial numbers in the first terminal row and the second terminal row to obtain corresponding current signals; and comparing the current signal with a preset current signal to verify whether the plurality of tested terminal rows are connected with the first terminal row according to a preset connection relation. And applying an electrical environment determined by the actually connected terminal to be tested according to the connection relation between the terminal to be tested and the first terminal row and the second terminal row, measuring a current signal at the moment, and comparing the preset current signal to obtain whether the actual connection is the preset connection relation. The method and the device have the advantages that the judgment action is quick and efficient, the checking time of the test connection line is saved, and the wiring accuracy is improved. The application also discloses a power distribution terminal test device.
Description
Technical Field
The invention relates to the field of electrical testing, in particular to a terminal connection relation checking method and device and power distribution terminal testing equipment.
Background
The test operation of the power distribution terminal is an important guarantee of the equipment quality and is also one of important measures for improving the power supply reliability of the power distribution network. In order to meet the test requirements of a large number of power distribution terminals, semi-automatic or full-automatic detection is realized in the power distribution terminal test technology. The test unit can carry out batch detection on the terminal equipment by using the power distribution terminal detection platform, and the functions of flexibly selecting test contents, leading out test results at one time and the like are realized. The full-automatic detection technology is characterized in that a centralized control center is set to monitor and maintain the automatic detection line of the power distribution terminal through a robot technology, and the whole process of storage, circulation, wiring and testing of the power distribution terminal without human participation is realized.
In fact, although the fully automated detection technology can greatly improve the testing efficiency and reduce the human input cost, the related technology is still in the exploration and development stage, and the technology has the problems of high standardization requirement, high capital cost, high platform maintenance requirement and the like, and needs to be gradually improved. In contrast, the semi-automatic testing method still occupies the mainstream technology of the distribution automation terminal testing. Compared with the full-automatic testing technology, the semi-automatic testing technology is mainly characterized in that a terminal wiring is connected into a testing platform in a manual mode. The manual consumption and the errors brought in the wiring process are main short boards for semi-automatic testing.
Therefore, how to provide a solution to the above technical problems is a problem to be solved by those skilled in the art.
Disclosure of Invention
In view of the above, the present invention provides a method and a device for verifying a connection relationship between terminals and a power distribution terminal testing device, so as to reduce an error rate and a time cost of manual wiring in a semi-automatic test. The specific scheme is as follows:
a terminal connection relation verification method is characterized in that in a plurality of tested terminal, A ends with the same serial number in a first terminal row and a second terminal row are connected to the same tested terminal;
the terminal connection relation verification method is applied to a verification device, and specifically comprises the following steps:
respectively applying an electrical environment determined according to actually connected corresponding tested terminal between the terminals B with the same serial numbers in the first terminal row and the second terminal row to obtain a current signal under the electrical environment;
and judging whether all the current signals are the same as preset current signals or not so as to verify whether the plurality of tested terminal rows are connected with the first terminal rows according to a preset connection relation or not.
Preferably, the electrical environment is specifically:
the voltage is constant, the resistance is constant according to the electrical environment of the measured terminal which corresponds to the actual connection or the resistance is constant, and the voltage is constant according to the electrical environment of the measured terminal which corresponds to the actual connection.
Preferably, the electrical environment is specifically:
the voltage is constant, the resistance is sequentially increased according to the sequence of actually connecting the corresponding tested terminal, or the resistance is constant, and the voltage is sequentially decreased according to the sequence of actually connecting the corresponding tested terminal.
Preferably, the determining whether all the current signals are the same as preset current signals to verify whether the plurality of tested terminal rows are connected to the first terminal row according to a preset connection relationship includes:
judging whether the magnitudes of all the current signals are reduced in sequence according to the sequence of actually connecting the corresponding tested terminal;
if yes, judging that the plurality of tested terminal rows are connected with the first terminal row according to a preset connection relation;
if not, judging that the plurality of tested terminal rows are not connected with the first terminal row according to a preset connection relation.
Preferably, the terminal connection relationship verification method further includes:
and when the current signal is zero, judging that a line virtual connection exists among the tested terminal corresponding to the current signal, the A end or the B end of the first terminal row or the second terminal row.
Correspondingly, this application still discloses a terminal connection relation check-up equipment, including a plurality of terminal terminals under test, first terminal row, second terminal row, verifying attachment, wherein:
the A ends with the same serial number in the first terminal row and the second terminal row are connected to the same tested terminal;
the verification device is used for:
applying an electrical environment determined according to the actual connection of the corresponding terminal to be tested between the terminals B with the same serial number in the first terminal row and the second terminal row to obtain a current signal under the electrical environment; and judging whether all the current signals are the same as preset current signals or not so as to verify whether the plurality of tested terminal rows are connected with the first terminal rows according to a preset connection relation or not.
Preferably, the first terminal row and the verification device and the second terminal row and the verification device are connected through an air plug.
Correspondingly, this application still discloses a distribution terminal test equipment, includes:
the terminal connection relationship verification device as described above;
and the control center is used for testing the tested terminal through the connecting lines of the checking device and the plurality of tested terminal terminals.
Preferably, the verification device is further configured to:
and when the connection of the plurality of tested terminal rows and the first terminal row according to the preset connection relation is confirmed, the connection of the second terminal row and the interior of the checking device is disconnected.
Preferably, the control center is further configured to control the verification device.
The application discloses a terminal connection relation checking method, wherein in a plurality of tested terminal, A ends with the same serial number in a first terminal row and a second terminal row are connected to the same tested terminal; the terminal connection relation verification method is applied to a verification device, and specifically comprises the following steps: respectively applying an electrical environment determined according to actually connected corresponding tested terminal between the terminals B with the same serial numbers in the first terminal row and the second terminal row to obtain a current signal under the electrical environment; and judging whether all the current signals are the same as preset current signals or not so as to verify whether the plurality of tested terminal rows are connected with the first terminal rows according to a preset connection relation or not. According to the connection relation between the terminal to be tested and the first terminal row and the second terminal row, when an electrical environment determined by the terminal to be tested which is actually connected is applied to two terminals B with the same serial number, a current signal at the moment is measured, and then the current signal is compared with a known preset current signal, so that whether the terminal to be tested which is actually connected and corresponds to the terminal B at the moment is the terminal to be tested in the preset connection relation or not can be obtained. This application judges whether the relation of connection of being surveyed terminal and first terminal row is for predetermineeing the relation of connection through applying electrical environment, judges that the action is high efficiency, has greatly saved the check-up time of test line before the terminal test, has improved the wiring exactness.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a flowchart illustrating steps of a method for verifying a connection relationship between terminals according to an embodiment of the present invention;
fig. 2 is a structural distribution diagram of a terminal connection relationship verification device according to an embodiment of the present invention;
fig. 3 is a structural distribution diagram of a power distribution terminal testing device according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The semi-automatic test adopts the manual mode to insert test platform with terminal wiring, and the artifical consumption and the mistake that bring in its wiring process are the main short slab of semi-automatic test. This application judges whether the relation of connection of being surveyed terminal and first terminal row is for predetermineeing the relation of connection through applying electrical environment, judges that the action is high efficiency, has greatly saved the check-up time of test line before the terminal test, has improved the wiring exactness.
The embodiment of the invention discloses a terminal connection relation checking method, wherein in a plurality of tested terminal, A ends with the same serial number in a first terminal row and a second terminal row are connected to the same tested terminal;
the terminal connection relation verification method is applied to a verification device, and specifically comprises the following steps of:
s1: respectively applying an electrical environment determined according to actually connected corresponding tested terminal between the terminals B with the same serial numbers in the first terminal row and the second terminal row to obtain a current signal under the electrical environment;
it can be understood that, on a terminal row, the a terminal and the B terminal with the same serial number necessarily correspond to each other in physical location, and therefore, in actual connection, when a terminal to be tested is connected to the a terminals with the same serial number in the corresponding first terminal row and the second terminal row, it is correspondingly necessary to obtain the current signals of the B terminals with the serial numbers on the first terminal row and the second terminal row.
S2: and judging whether all the current signals are the same as preset current signals or not so as to verify whether the plurality of tested terminal rows are connected with the first terminal rows according to a preset connection relation or not.
It is obvious that the electrical environment corresponding to the current signal obtained in step S1 is determined by the actual connection relationship, where the actual connection relationship is that the terminal on the first terminal row or the second terminal row is actually connected to the terminal to be tested, and the preset current signal generally refers to the current signal in the electrical environment determined by the preset connection relationship, where the preset connection relationship is that the terminal on the first terminal row or the second terminal row is correctly connected to the terminal to be tested according to the connection relationship table. It will be appreciated that the predetermined current signals corresponding to each terminal on the first terminal row and the second terminal row are generally different in order to determine the terminal position of the tested terminal with a connection error.
Therefore, it is determined whether all the current signals are the same as the preset current signal, that is, whether the terminal under test actually connected to the terminal on the first terminal row or the second terminal row is the correctly connected terminal under test.
When all current signals are the same as the preset current signals of the terminal which is correctly connected with the terminal to be tested, the connection relation of the terminal is correct, otherwise, the serial numbers of the terminal to be tested, the first terminal row and the second terminal row which are inconsistent with the preset current signals need to be output, and technicians are reminded to check reconnection.
Taking 3 tested terminal terminals N1, N2, N3 as an example, terminals a11, a12, a13, B11, B12, B13 exist in the first terminal row, and terminals a21, a22, a23, B21, B22, B23 exist in the second terminal row, respectively, according to the design of the present embodiment, the correspondence relationship determined as follows necessarily exists in the first terminal row and the second terminal row: A11-B11-A21-B21, A12-B12-A22-B22, A13-B13-A23-B23, as shown in FIG. 2; let IniIs the current, I ', corresponding to the correct connection of the terminal Ni to be tested'niFor the actual connection of the terminal Ni to be tested to the corresponding current, IajThe current corresponding to the terminal A1j, I _ ij is the current between the terminal Ni under test and the terminal A1 j. Assuming that the correct connection relationships, i.e. the predetermined connection relationships are N1-a11, N2-a12, and N3-a13, the corresponding predetermined current signals are:
In1＝Ia1＝I_11，In2＝Ia2＝I_22，In3＝Ia3＝I_33；
if the actual connection is N1-A11, N2-A13 and N3-A12, the electric environment is determined according to the corresponding tested terminal connected actually, and the current signals passing through the electric environment are respectively as follows:
I'n1＝Ia1＝I_11，I'n2＝Ia3＝I_23，I'n3＝Ia2＝I_32；
comparing the preset current signal and the actual current signal corresponding to the same terminal to be tested, I 'can be obviously seen'n1＝In1，I'n2≠In2，I'n3≠In3Therefore, the terminal under test N2, N3 is connected to the a terminal of the first terminal row with the wrong serial number.
In addition, when the current signal is zero, it is determined that a virtual line connection exists between the terminal to be tested corresponding to the current signal and the a terminal or the B terminal of the first terminal row or the second terminal row.
It will be appreciated that if a current signal is zero, this means that the line is open and there is a virtual connection to the line, requiring further verification to determine the connection between the terminals.
The application discloses a terminal connection relation checking method, wherein in a plurality of tested terminal, A ends with the same serial number in a first terminal row and a second terminal row are connected to the same tested terminal; the terminal connection relation verification method is applied to a verification device, and specifically comprises the following steps: respectively applying an electrical environment determined according to actually connected corresponding tested terminal between the terminals B with the same serial numbers in the first terminal row and the second terminal row to obtain a current signal under the electrical environment; and judging whether all the current signals are the same as preset current signals or not so as to verify whether the plurality of tested terminal rows are connected with the first terminal rows according to a preset connection relation or not. According to the connection relation between the terminal to be tested and the first terminal row and the second terminal row, when an electrical environment determined by the terminal to be tested which is actually connected is applied to two terminals B with the same serial number, a current signal at the moment is measured, and then the current signal is compared with a known preset current signal, so that whether the terminal to be tested which is actually connected and corresponds to the terminal B at the moment is the terminal to be tested in the preset connection relation or not can be obtained. This application judges whether the relation of connection of being surveyed terminal and first terminal row is for predetermineeing the relation of connection through applying electrical environment, judges that the action is high efficiency, has greatly saved the check-up time of test line before the terminal test, has improved the wiring exactness.
The embodiment of the invention discloses a specific terminal connection relation checking method, and compared with the previous embodiment, the embodiment further describes and optimizes the technical scheme.
The electrical environment is specifically:
the voltage is constant, the resistance is constant according to the electrical environment of the measured terminal which corresponds to the actual connection or the resistance is constant, and the voltage is constant according to the electrical environment of the measured terminal which corresponds to the actual connection.
It can be understood that the electrical environment in this embodiment needs to be changed according to different requirements of the terminal to be tested, so that it is only necessary to select one of the voltage or the resistance in the electrical environment to be constant and the other to be changed in consideration of the difficulty of implementation and the fact that the finally obtained parameter is the current signal.
Further, the electrical environment may be specifically:
the voltage is constant, the resistance is sequentially increased according to the sequence of actually connecting the corresponding tested terminal, or the resistance is constant, and the voltage is sequentially decreased according to the sequence of actually connecting the corresponding tested terminal.
Correspondingly, the determining whether all the current signals are the same as preset current signals to verify whether the plurality of tested terminal rows are connected with the first terminal row according to a preset connection relationship includes:
judging whether the magnitudes of all the current signals are reduced in sequence according to the sequence of actually connecting the corresponding tested terminal;
if yes, judging that the plurality of tested terminal rows are connected with the first terminal row according to a preset connection relation;
if not, judging that the plurality of tested terminal rows are not connected with the first terminal row according to a preset connection relation.
It can be understood that, the preset connection relation corresponds to the correct sequence of the terminal to be tested, and the preset current signals are sequentially reduced along with the sequence of the terminal to be tested; when the actual connection is the preset connection relationship, the actual current signals are also reduced in sequence. Once the current signal is greater than the last current signal, the actual connection is faulty and needs to be reconnected.
Correspondingly, the present application also discloses a terminal connection relation verification device, as shown in fig. 2, including a plurality of tested terminal N, a first terminal row 11, a second terminal row 12, and a verification apparatus 13, wherein:
the terminals a with the same serial number in the first terminal row 11 and the second terminal row 12 are both connected to the same terminal N to be tested;
the verification means 13 are configured to:
applying an electrical environment determined according to the actually connected corresponding terminal N to be tested between the terminals B with the same serial number in the first terminal row 11 and the second terminal row 12 to obtain a current signal under the electrical environment; and judging whether all the current signals are the same as preset current signals or not so as to verify whether the plurality of tested terminal N and the first terminal row 11 are connected according to a preset connection relation or not.
Furthermore, the first terminal row 11 and the verification device 13, and the second terminal row 12 and the verification device 13 are connected by air plug.
According to the connection relation between the terminal to be tested and the first terminal row and the second terminal row, when an electrical environment determined by the terminal to be tested which is actually connected is applied to two terminals B with the same serial number, a current signal at the moment is measured, and then the current signal is compared with a known preset current signal, so that whether the terminal to be tested which is actually connected and corresponds to the terminal B at the moment is the terminal to be tested in the preset connection relation or not can be obtained. This application judges whether the relation of connection of being surveyed terminal and first terminal row is for predetermineeing the relation of connection through applying electrical environment, judges that the action is high efficiency, has greatly saved the check-up time of test line before the terminal test, has improved the wiring exactness.
Correspondingly, the present application also discloses a power distribution terminal testing device, as shown in fig. 3, including:
the terminal connection relationship verifying means 13 as described above;
and the control center 2 is used for testing the tested terminal through the connection line of the verifying device 13 and the plurality of tested terminal terminals.
Wherein the verifying unit 13 is further configured to:
and when the connection between the plurality of tested terminal N and the first terminal row 11 is confirmed according to the preset connection relation, disconnecting the second terminal row 12 from the interior of the checking device 13.
It can be understood that, in the process of verifying the terminal connection relationship by using the verifying device 13, the first terminal row 11 and the second terminal row 12 are applied with an electrical environment inside the verifying device 13, the electrical environment includes a resistance and a voltage corresponding to parameters, and after determining that the actual connection relationship is correct, that is, after the connection is performed according to the preset connection relationship, the electrical environment needs to be removed, that is, the connection of the second terminal row 12 inside the verifying device 13 is disconnected, so as to avoid the control center 2 from receiving the interference of the electrical environment when performing the test on the tested terminal.
Further, the control center 2 is also configured to control the verification device 13.
It can be seen that the control center 2 is connected with the verifying device 13, and the verifying device 13 is connected with the tested terminal, so that the control center 2 can be regarded as an upper computer, and the verifying device 13 is regarded as a lower computer, so as to implement the instruction sent by the upper computer control center 2, such as triggering the verifying device 13 to verify the connection relation of the tested terminal, and informing the verifying device 13 to disconnect the connection between the second terminal row 12 and the inside of the verifying device 13.
It is understood that the power distribution terminal test device in the present embodiment has the same advantageous effects as the terminal connection relationship verification device in the above embodiment.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The method, the device and the power distribution terminal test device for verifying the terminal connection relationship provided by the invention are described in detail, a specific example is applied in the description to explain the principle and the implementation mode of the invention, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (9)
1. A terminal connection relation verification method is characterized in that in a plurality of tested terminal, A ends with the same serial number in a first terminal row and a second terminal row are connected to the same tested terminal;
the terminal connection relation verification method is applied to a verification device, and specifically comprises the following steps:
respectively applying an electrical environment determined according to actually connected corresponding tested terminal between the terminals B with the same serial numbers in the first terminal row and the second terminal row to obtain a current signal under the electrical environment; the electrical environment is specifically: the voltage is constant, the resistance is constant according to the electrical environment of the measured terminal which corresponds to the actual connection or the resistance is constant, and the voltage is constant according to the electrical environment of the measured terminal which corresponds to the actual connection;
and judging whether all the current signals are the same as preset current signals or not so as to verify whether the plurality of tested terminal rows are connected with the first terminal row or the second terminal row according to a preset connection relation or not.
2. The method for verifying the connection relationship of the terminal according to claim 1, wherein the electrical environment is specifically:
the voltage is constant, the resistance is sequentially increased according to the sequence of actually connecting the corresponding tested terminal, or the resistance is constant, and the voltage is sequentially decreased according to the sequence of actually connecting the corresponding tested terminal.
3. The method for verifying the connection relationship between the terminals according to claim 2, wherein the step of determining whether all the current signals are the same as a preset current signal to verify whether the plurality of terminals under test are connected to the first terminal row or the second terminal row according to the preset connection relationship comprises:
judging whether the magnitudes of all the current signals are reduced in sequence according to the sequence of actually connecting the corresponding tested terminal;
if yes, judging that a plurality of tested terminal rows are connected with the first terminal rows or the second terminal rows according to a preset connection relation;
and if not, judging that the plurality of tested terminal rows are not connected with the first terminal row or the second terminal row according to a preset connection relation.
4. The terminal connection relationship verification method according to any one of claims 1 to 3, further comprising:
and when the current signal is zero, judging that a line virtual connection exists among the tested terminal corresponding to the current signal, the A end or the B end of the first terminal row or the second terminal row.
5. The utility model provides a terminal connection relation check-up equipment which characterized in that includes a plurality of terminal terminals under test, first terminal row, second terminal row, calibration equipment, wherein:
the A ends with the same serial number in the first terminal row and the second terminal row are connected to the same tested terminal;
the verification device is used for:
applying an electrical environment determined according to the actual connection of the corresponding terminal to be tested between the terminals B with the same serial number in the first terminal row and the second terminal row to obtain a current signal under the electrical environment; judging whether all the current signals are the same as preset current signals or not so as to verify whether the plurality of tested terminal rows are connected with the first terminal row or the second terminal row according to a preset connection relation or not;
wherein the electrical environment is specifically: the voltage is constant, the resistance is constant according to the electrical environment of the measured terminal which corresponds to the actual connection or the resistance is constant, and the voltage is constant according to the electrical environment of the measured terminal which corresponds to the actual connection.
6. The terminal connection relationship verification apparatus according to claim 5,
the first terminal row and the checking device and the second terminal row and the checking device are connected through aerial plug.
7. A power distribution terminal testing device, comprising:
the terminal connection relationship verification device according to claim 5 or 6;
and the control center is used for testing the tested terminal through the connecting lines of the checking device and the plurality of tested terminal terminals.
8. The electrical distribution terminal testing device of claim 7, wherein the verification means is further configured to:
and when the connection of the plurality of tested terminal rows and the first terminal row according to the preset connection relation is confirmed, the connection of the second terminal row and the interior of the checking device is disconnected.
9. The electrical distribution terminal testing device of claim 8, wherein the control center is further configured to control the verification apparatus.
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| CN109839566A (en) * | 2019-04-09 | 2019-06-04 | 重庆前明科技有限公司 | A kind of the wiring detection system and detection method of electrical practice training platform |
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