CN211263747U

CN211263747U - Intelligent mutual inductor tester

Info

Publication number: CN211263747U
Application number: CN201922164034.5U
Authority: CN
Inventors: 罗小勇
Original assignee: Wuhan United Electrical Equipment Manufacturing Co ltd
Current assignee: Wuhan United Electrical Equipment Manufacturing Co ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-08-14
Anticipated expiration: 2029-12-06

Abstract

The utility model discloses a belong to testing arrangement technical field, specifically be an intelligent mutual-inductor tester, including shell, panel and controller, screw fixed connection is passed through at the top of shell the panel, screw fixed connection is passed through to the inner chamber bottom of shell the controller, the top of panel is inlayed and is had first terminal, second terminal, third terminal and display screen, screw fixed connection has the printer bottom the inner chamber of panel, rotatory mouse has been cup jointed at the top of panel, this kind of intelligent mutual-inductor tester, through set up current transformer experiment module and voltage transformer experiment module in the controller, can cooperate self-checking page or leaf module, function module and result page or leaf module to carry out automated test after with the help of external connection, and data can be edited and also can cooperate the printer output, and product performance is stable and reliable, function is complete, The automation degree is high, the test efficiency is increased, and the special test for the mutual inductor is effectively matched with the power industry.

Description

Intelligent mutual inductor tester

Technical Field

The utility model relates to a testing arrangement technical field specifically is an intelligent mutual inductor tester.

Background

The mutual inductor is also called instrument transformer, and is a general name of current mutual inductor and voltage mutual inductor. The high voltage can be changed into low voltage, and the large current can be changed into small current for measuring or protecting the system. Its function is mainly to convert high voltage or large current into standard low voltage (100V) or standard small current (5A or 1A, both referring to rated value) in proportion so as to realize standardization and miniaturization of measuring instrument, protection equipment and automatic control equipment.

The transformer testing device has the advantages that testing can be needed in the using process of the transformer, safety and stability of the transformer are guaranteed, and a testing range is provided with a traditional voltage regulator, a booster, a current booster and the like.

The existing mutual inductor tester has poor stability of testing performance, low automation degree, lack of visual output modes of editing and data, low testing efficiency and limited professional testing capability in matching with the power industry.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an intelligent mutual inductor tester to solve the current mutual inductor tester that proposes in the above-mentioned background art, test performance poor stability, degree of automation is not high, lacks the output mode directly perceived, the efficiency of software testing of editor and data low, the restricted problem of ability of professional test in cooperation electric power industry uses.

In order to achieve the above object, the utility model provides a following technical scheme: an intelligent mutual inductor tester comprises a shell, a panel and a controller, wherein the top of the shell is fixedly connected with the panel through screws, the bottom of the inner cavity of the shell is fixedly connected with the controller through screws, a first terminal, a second terminal, a third terminal and a display screen are embedded in the top of the panel, the bottom of the inner cavity of the panel is fixedly connected with a printer through a screw, the top of the panel is sleeved with a rotary mouse, the inside of the controller is electrically connected with a current transformer experiment module, a voltage transformer experiment module, a function module, a self-checking page module and a result page module, the electrical output ends of the current transformer experiment module, the current transformer experiment module and the function module are all electrically connected with the electrical input end of the self-checking page module, and the electrical output end of the self-checking page module is electrically connected with the electrical input end of the result page module.

Preferably, the bottom of the shell is fixedly connected with a base through a screw, and the top of the shell is fixedly connected with a handle through a screw.

Preferably, the current transformer experiment module is electrically connected with a main wiring module, a main parameter module and a main result module, an electrical output end of the main wiring module is electrically connected with the main parameter module, and an electrical output end of the main parameter module is electrically connected with the main result module.

Preferably, the voltage transformer experiment module is electrically connected with an auxiliary wiring module, an auxiliary parameter module and an auxiliary result module, an electrical output end of the auxiliary wiring module is electrically connected with the auxiliary parameter module, and an electrical output end of the auxiliary parameter module is electrically connected with the auxiliary result module.

Preferably, the inside of the function module is electrically connected with a system tool module, a help module and a printing module, the electrical output end of the system tool module is electrically connected with the help module, and the electrical output end of the help module is electrically connected with the printing module.

Preferably, the inside electric connection of self-checking page module has parameter module and wiring module, the electric property output electric connection of self-checking page module the parameter module, the electric property output electric connection of parameter module the wiring module.

Preferably, the result page module is electrically connected with an excitation curve module and an excitation data module, and an electrical output end of the excitation curve module is electrically connected with the excitation data module.

Compared with the prior art, the beneficial effects of the utility model are that: this kind of intelligent transformer tester, through the combination application of accessory, through set up current transformer experiment module and voltage transformer experiment module in the controller, can cooperate self-checking page or leaf module, functional module and result page or leaf module to carry out automated testing with the help of after the external connection, but data editing also can cooperate printer output, product property ability stable and reliable, the function is complete, degree of automation is high, increase efficiency of software testing, effectively cooperate the electric power industry to be used for the professional test of mutual-inductor.

Drawings

FIG. 1 is a schematic view of the external structure of the present invention;

FIG. 2 is a schematic top view of the internal structure of the present invention;

fig. 3 is a schematic diagram of the controller system of the present invention.

In the figure: 100 casing, 110 base, 120 handle, 200 panel, 210 first terminal, 220 second terminal, 230 third terminal, 240 display screen, 250 printer, 260 rotary mouse, 300 controller, 310 current transformer experiment module, 311 main wiring module, 312 main parameter module, 313 main result module, 320 voltage transformer experiment module, 321 auxiliary wiring module, 322 auxiliary parameter module, 323 auxiliary result module, 330 function module, 331 system tool module, 332 help module, 333 printing module, 340 self-checking page module, 341 parameter module, 342 wiring module, 350 result page module, 351 excitation curve module and 352 excitation data module.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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.

The utility model provides an intelligent mutual inductor tester, which is convenient for increasing the self-checking effect and has high automation degree and increased efficiency by the combined application of accessories, please refer to fig. 1-3, and comprises a shell 100, a panel 200 and a controller 300;

referring to fig. 1 again, the bottom of the casing 100 has a base 110, specifically, the bottom of the casing 100 is fixedly connected to the base 110 through screws, and the top of the casing 100 is fixedly connected to a handle 120 through screws;

referring to fig. 1 again, the bottom of the panel 200 is fixedly connected to the top of the housing 100, specifically, the top of the housing 100 is fixedly connected to the panel 200 through screws, the top of the panel 200 is embedded with a first terminal 210, a second terminal 220, a third terminal 230 and a display screen 240, the bottom of the inner cavity of the panel 200 is fixedly connected to a printer 250 through screws, and the top of the panel 200 is sleeved with a rotary mouse 260;

referring to fig. 3 again, the bottom of the controller 300 is fixedly connected to the bottom of the inner cavity of the housing 100, specifically, the bottom of the inner cavity of the housing 100 is fixedly connected to the controller 300 through screws, the controller 300 is electrically connected to the current transformer experiment module 310, the voltage transformer experiment module 320, the function module 330, the page self-checking module 340 and the result page module 350, electrical output ends of the current transformer experiment module 310, the current transformer experiment module 310 and the function module 330 are electrically connected to an electrical input end of the page self-checking module 340, and an electrical output end of the page self-checking module 340 is electrically connected to an electrical input end of the result page module 350;

when the method is used specifically, firstly, a cursor is switched to a type column by using a rotary mouse 260 on a parameter interface, the type of the mutual inductor is selected to be CT, and test wiring is performed, wherein the test wiring steps are as follows: other windings of the same CT are open-circuited, one end of the primary side of the CT is grounded, equipment is grounded, a power supply is switched on, parameter setting is prepared, a cursor is switched by using a rotary mouse 260, a test item to be carried out is selected, and when the cursor stays in a certain test item, the display screen 240 displays the parameter setting related to the test item; when the cursor leaves the test item, the display screen 240 displays the wiring diagram corresponding to the selected test item, and the settable parameters are as follows: numbering: the number of the test is input, the printing, the storage management and the searching are convenient, and the rated secondary current I_sn: rated currents of the secondary side of the current transformer are generally 1A and 5A, and the grade: the level of the winding to be measured, for CT, has 8 options of P, TPY, metering, PR, PX, TPS, TPX, TPZ, current temperature: the winding temperature during testing can be generally input, and the temperature during testing, the rated frequency: the optional values are: 50Hz or 60Hz, maximum test current: the rated secondary current value can be set generally, 2 times of the rated secondary current value can be set generally for TPY grade CT, and the maximum test current is set to 5% for P grade CT assuming that the rated secondary current is 5P40 and 1A40 x 1A-2A; assuming that the voltage is 10P15 and the rated secondary current is 5A, the maximum test current is 10% 15% 5A to 7.5A, after the test current or the test voltage is set, the test frequency is set, the device outputs the voltage or the current of the corresponding frequency and displays the detected actual voltage or current, after the voltage is selected, if the load is too small, the effective value of the actual current is larger than 5A, overload information is displayed, after the current is selected, if the load is too large, the effective value of the actual test voltage is larger than 100V, the overload information is also displayed, when the voltage test is selected, S1 is shorted to another S1, S2 is shorted to another S2, the voltage between S1 and S2 is measured by a multimeter voltage level, if the actual voltage is consistent with the actual voltage, the device can output the voltage, the voltage measuring link is normal, when the current is tested, S1 and S2 which are output by the power supply are shorted, the voltage retest S1 and S2 are not connected, a universal meter current gear can be connected between the output S1 and S2 in series, if the current measured by the universal meter is consistent with the actual current, the device can normally output the current and the current measurement link is normal, then a user can use the printer 250 to print the current test result, the report can be used as the original record of the field test, an excitation curve module 351 and an excitation data module 352 are contained in a result page module, the measured excitation data is displayed according to the current rounded result, the current data is gradually increased by 1mA below 10mA, the current data is gradually increased by 5mA above 10 mA-100 mA and is gradually increased by 0.1A above 100mA, the rounded result is convenient for data recording and comparison, and the excitation data of any specified current point can be displayed.

Referring to fig. 3 again, in order to facilitate the use of the current transformer experiment module 310, specifically, the current transformer experiment module 310 is electrically connected to a main connection module 311, a main parameter module 312 and a main result module 313, an electrical output end of the main connection module 311 is electrically connected to the main parameter module 312, and an electrical output end of the main parameter module 312 is electrically connected to the main result module 313.

Referring to fig. 3 again, in order to facilitate the use of the voltage transformer experiment module 320, specifically, the voltage transformer experiment module 320 is electrically connected to an auxiliary connection module 321, an auxiliary parameter module 322 and an auxiliary result module 323, an electrical output end of the auxiliary connection module 321 is electrically connected to the auxiliary parameter module 322, and an electrical output end of the auxiliary parameter module 322 is electrically connected to the auxiliary result module 323.

Referring to fig. 3 again, in order to cooperate with the printing output, specifically, the functional module 330 is electrically connected to the system tool module 331, the help module 332 and the printing module 333, an electrical output end of the system tool module 331 is electrically connected to the help module 332, and an electrical output end of the help module 332 is electrically connected to the printing module 333.

Referring to fig. 3 again, in order to edit data in the self-checking process, specifically, the inside of the self-checking page module 340 is electrically connected to the parameter module 341 and the wiring module 342, the electrical output end of the self-checking page module 340 is electrically connected to the parameter module 341, the electrical output end of the parameter module 341 is electrically connected to the wiring module 342, the inside of the result page module 350 is electrically connected to the excitation curve module 351 and the excitation data module 352, and the electrical output end of the excitation curve module 351 is electrically connected to the excitation data module 352.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides an intelligent mutual inductor tester which characterized in that: including shell (100), panel (200) and controller (300), screw fixed connection is passed through at the top of shell (100) panel (200), screw fixed connection is passed through to the inner chamber bottom of shell (100) controller (300), the top of panel (200) is inlayed and is had first terminal (210), second terminal (220), third terminal (230) and display screen (240), screw fixed connection has printer (250) is passed through to the inner chamber bottom of panel (200), rotatory mouse (260) has been cup jointed at the top of panel (200), the inside electric connection of controller (300) has current transformer experiment module (310), voltage transformer experiment module (320), functional module (330), self-checking page module (340) and result page module (350), current transformer experiment module (310) with the electric output of functional module (330) all with self-checking page module (350), self-checking page module (310) is tested The electrical input end of the module (340) is electrically connected, and the electrical output end of the self-checking page module (340) is electrically connected with the electrical input end of the result page module (350).

2. The intelligent transformer tester of claim 1, characterized in that: the bottom of shell (100) is through screw fixed connection with base (110), the top of shell (100) is through screw fixed connection with handle (120).

3. The intelligent transformer tester of claim 1, characterized in that: the current transformer experiment module (310) is electrically connected with a main wiring module (311), a main parameter module (312) and a main result module (313) in the interior, an electrical output end of the main wiring module (311) is electrically connected with the main parameter module (312), and an electrical output end of the main parameter module (312) is electrically connected with the main result module (313).

4. The intelligent transformer tester of claim 1, characterized in that: the voltage transformer experiment module (320) is electrically connected with an auxiliary wiring module (321), an auxiliary parameter module (322) and an auxiliary result module (323) in the interior, the electrical output end of the auxiliary wiring module (321) is electrically connected with the auxiliary parameter module (322), and the electrical output end of the auxiliary parameter module (322) is electrically connected with the auxiliary result module (323).

5. The intelligent transformer tester of claim 1, characterized in that: the multifunctional printing machine is characterized in that a system tool module (331), a help module (332) and a printing module (333) are electrically connected inside the functional module (330), an electrical output end of the system tool module (331) is electrically connected with the help module (332), and an electrical output end of the help module (332) is electrically connected with the printing module (333).

6. The intelligent transformer tester of claim 1, characterized in that: the inside of the self-checking page module (340) is electrically connected with a parameter module (341) and a wiring module (342), the electrical output end of the self-checking page module (340) is electrically connected with the parameter module (341), and the electrical output end of the parameter module (341) is electrically connected with the wiring module (342).

7. The intelligent transformer tester of claim 1, characterized in that: an excitation curve module (351) and an excitation data module (352) are electrically connected to the inside of the result page module (350), and an electrical output end of the excitation curve module (351) is electrically connected to the excitation data module (352).