CN214473872U - Full-automatic polarity tester of three-phase alternating current loop mutual inductor group - Google Patents
Full-automatic polarity tester of three-phase alternating current loop mutual inductor group Download PDFInfo
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- CN214473872U CN214473872U CN202022774016.1U CN202022774016U CN214473872U CN 214473872 U CN214473872 U CN 214473872U CN 202022774016 U CN202022774016 U CN 202022774016U CN 214473872 U CN214473872 U CN 214473872U
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Abstract
The utility model provides a full-automatic polarity tester of three-phase alternating current return circuit mutual inductor group relates to the technical field of the full-automatic polarity test in three-phase alternating current return circuit, include: a primary side device and a secondary side device; the primary side device comprises a pulse transmitting module, a remote control module, a first automatic phase-changing module and a first instruction module; the secondary side device comprises a polarity identification module, a second automatic phase-changing module, a remote control module, a second instruction module and a printing module. Through the utility model provides a tester can improve the automatic level of polarity test, reduces polarity test work's work load.
Description
Technical Field
The utility model belongs to the technical field of the electric wire netting transformation technique of capital construction, debugging, acceptance phase and specifically relates to a full-automatic polarity tester of three-phase alternating current circuit mutual-inductor group is related to.
Background
The polarity test work in the relay protection acceptance stage is a complicated process, the complicated reason is that the primary side needs to manually supply pulses, the secondary side recognizes the positive and negative through a pointer table, complicated links such as remote talkback, manual line reversing and manual recording of personnel are involved, and the working mode is relatively original; in a transformer substation, the number of transformers such as CT and PT is huge, the number of coils is large, various devices such as line protection, bus differential protection, fault recording, metering and measuring are involved, and the workload of polarity test is increased linearly along with the increase of the number of the transformers such as CT and PT. In order to greatly reduce the workload of polarity test work, it is necessary to develop a full-automatic polarity test device of an alternating current loop aiming at the stages of relay protection capital construction, debugging and acceptance.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a full-automatic polarity tester of three-phase alternating current return circuit mutual-inductor group can improve the automatic level of polarity test, reduces the work load of polarity test work.
In a first aspect, the embodiment of the utility model provides a full-automatic polarity tester of three-phase alternating current circuit mutual inductor group, include:
a primary side device and a secondary side device;
the primary side device comprises a pulse transmitting module, a remote control module, a first automatic phase-changing module and a first instruction module;
the secondary side device comprises a polarity identification module, a second automatic phase conversion module, a remote control module, a second instruction module and a printing module;
preferably, the secondary side device further includes a power supply module configured to supply power to the primary side device and the secondary side device.
Preferably, the peripheral device of the remote control module is NRF24L 01.
Preferably, the first instruction module and the second instruction module are both single-chip microcomputers, and the models of the single-chip microcomputers are GD32F130C8T 6.
The embodiment of the utility model provides a following beneficial effect has been brought: the utility model provides a full-automatic polarity tester of three-phase alternating current circuit mutual inductor group, include: a primary side device and a secondary side device; the primary side device comprises a pulse transmitting module, a remote control module, a first automatic phase-changing module and a first instruction module; the secondary side device comprises a polarity identification module, a second automatic phase-changing module, a remote control module, a second instruction module and a printing module. Through the utility model provides a tester can improve the automatic level of polarity test, reduces polarity test work's work load.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
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 embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of a primary side device of a full-automatic polarity tester for a three-phase ac loop transformer set according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a secondary side device of a full-automatic polarity tester for a three-phase ac loop transformer set according to an embodiment of the present invention;
fig. 3 is a schematic diagram illustrating a connection of a first command module of a full-automatic polarity tester for a three-phase ac loop transformer set according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a first automatic commutation module of a full-automatic polarity tester for a three-phase ac loop transformer set according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a pulse emission module of a full-automatic polarity tester for a three-phase ac loop transformer set according to an embodiment of the present invention;
fig. 6 is a schematic diagram of a second automatic commutation module of a full-automatic polarity tester for a three-phase ac loop transformer set according to an embodiment of the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
At present, polarity test work in the relay protection capital construction, debugging and acceptance stages is a tedious process, the tedious reason is that pulse is manually supplied on the primary side, the positive and negative are identified on the secondary side through a pointer table, tedious links such as remote talkback, manual line reversing and manual recording of personnel are involved, and the working mode is relatively original; in the transformer substation, mutual-inductor quantity such as CT, PT is huge, and the coil is numerous, involves multiple equipment such as line protection, bus differential protection, event record, measurement, and the work load of polarity test increases along with mutual-inductor's such as CT, PT quantity and straight line increase, and based on this, the embodiment of the utility model provides a pair of full-automatic polarity tester of three-phase alternating current loop mutual-inductor group improves polarity test automation level, reduces polarity test work's work load.
For the convenience of understanding the embodiment, the fully automatic polarity tester for the one-button transformer disclosed by the embodiment of the present invention is first described in detail.
Example one
With reference to fig. 1 to 6, an embodiment of the present invention provides a full-automatic polarity tester for three-phase ac loop transformer set, including:
a primary side device and a secondary side device;
the primary side device comprises a pulse transmitting module, a remote control module, a first automatic phase-changing module and a first instruction module;
the secondary side device comprises a polarity identification module, a second automatic phase conversion module, a remote control module, a second instruction module and a printing module;
preferably, the secondary side device further includes a power supply module configured to supply power to the primary side device and the secondary side device.
Preferably, the peripheral device of the remote control module is NRF24L 01.
Preferably, the first instruction module and the second instruction module are both single-chip microcomputers, and the models of the single-chip microcomputers are GD32F130C8T 6.
In the embodiment provided by the utility model, the automatic commutation module switches phases according to the instruction sent by the instruction module, and AN, BN and CN are respectively switched on during the working period;
the remote control module is used for connecting the primary side instruction module and the secondary side instruction module to enable the two sides to be communicated and coordinated;
the first instruction module is connected with the second instruction module through the remote control module, and simultaneously controls the pulse transmitting module to transmit pulses and controls the automatic phase changing module to automatically change the phase;
the storage module is used for storing a polarity test result;
example two:
the embodiment two of the utility model provides a description of the working mode of the full-automatic polarity tester of the three-phase alternating current loop mutual inductor group of the embodiment one;
specifically, the primary side automatic commutation module is switched to AN, the secondary side commands the primary side pulse transmitting module to transmit 6 times of pulses in AN, the secondary side automatic commutation module is conducted with AN, BN, CN, AB, BC and CA respectively, the polarity identifying module identifies the positive polarity or the reverse polarity, and the storage module stores the positive polarity or the reverse polarity result;
specifically, the primary side automatic phase-changing module is respectively switched to the BN, the secondary side commands the primary side pulse transmitting module to transmit 6 times of pulses in the BN, the secondary side automatic phase-changing module is respectively conducted with AN, BN, CN, AB, BC and CA in the period, the polarity identifying module identifies the positive polarity or the reverse polarity, and the storage module stores the positive polarity or the reverse polarity result;
specifically, the primary side automatic commutation module is switched to CN respectively, the secondary side commands the primary side pulse transmitting module to transmit 6 times of pulses at CN, the secondary side automatic commutation module is conducted with AN, BN, CN, AB, BC and CA respectively in the period, the polarity identifying module identifies the positive polarity or reverse polarity condition, and the storage module stores the positive polarity or reverse polarity result;
the results obtained for the line including the CT transformer are shown below (bus side positive)
Unless specifically stated otherwise, the relative steps, numerical expressions and numerical values of the components and steps set forth in these embodiments do not limit the scope of the present invention.
In addition, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the technical solution of the present invention, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: those skilled in the art can still modify or easily conceive of changes in the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (4)
1. The utility model provides a full-automatic polarity tester of three-phase alternating current return circuit mutual-inductor group which characterized in that includes:
a primary side device and a secondary side device;
the primary side device comprises a pulse transmitting module, a remote control module, a first automatic phase-changing module and a first instruction module;
the secondary side device comprises a polarity identification module, a second automatic phase conversion module, a remote control module, a second instruction module and a printing module.
2. The full-automatic polarity tester of the three-phase ac loop mutual inductor group according to claim 1, further comprising a power supply module, wherein the power supply module is used for supplying power to the primary side device and the secondary side device.
3. The full-automatic polarity tester of the three-phase alternating current loop mutual inductor group as claimed in claim 1, wherein the external device of the remote control module is NRF24L 01.
4. The full-automatic polarity tester of the three-phase alternating current loop mutual inductor group as claimed in claim 3, wherein the first instruction module and the second instruction module are both single-chip microcomputers, and the single-chip microcomputers are GD32F130C8T6 in model.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022774016.1U CN214473872U (en) | 2020-11-26 | 2020-11-26 | Full-automatic polarity tester of three-phase alternating current loop mutual inductor group |
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| CN202022774016.1U CN214473872U (en) | 2020-11-26 | 2020-11-26 | Full-automatic polarity tester of three-phase alternating current loop mutual inductor group |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112415440A (en) * | 2020-11-26 | 2021-02-26 | 国网天津市电力公司 | Full-automatic polarity tester of three-phase alternating current loop mutual inductor group |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112415440A (en) * | 2020-11-26 | 2021-02-26 | 国网天津市电力公司 | Full-automatic polarity tester of three-phase alternating current loop mutual inductor group |
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