CN218995652U - Comprehensive tester for variable frequency transformer - Google Patents

Abstract

The utility model discloses a comprehensive tester for a variable frequency transformer, which comprises a shell and a vent hole, wherein the upper end of the interior of the shell is provided with a miniature motor, the middle part of the lower end of the miniature motor is provided with a fan blade, the left side and the right side of the lower end of the miniature motor are respectively provided with a screw, and the vent hole is arranged at the left end of the shell. This frequency conversion mutual-inductor comprehensive tester, in the use, can give off fast the heat that the device is inside to produce, be favorable to the user to obtain accurate measuring result, obtain the result of multiple test parameter through with two kinds of wiring modes, and simple operation process, obtain each required detection result of mutual-inductor test, the work efficiency of user's detection has been improved, can avoid when connecting the terminal, because of the dust interference leads to the condition mode of working line short circuit, the outside dust entering device is inside to the normal work of the inside accurate electronic component of interference has also been avoided simultaneously, the smoothness of test procedure has been guaranteed.

Description

Comprehensive tester for variable frequency transformer

Technical Field

The utility model relates to the technical field of comprehensive testers of variable frequency transformers, in particular to a comprehensive tester of a variable frequency transformer.

Background

The instrument can measure CT volt-ampere characteristics and curves (1A, 5A), 5 percent error curves, direct resistance, transformation ratio polarity according to national standards, CT dynamic stability and short-time thermoelectric current test, can directly measure the transformation ratio of a voltage transformer, can measure sleeve CT arranged in a transformer, can qualitatively measure the ratio difference and polarity of the voltage transformer, can measure the actual secondary load of the current and the voltage transformer on site, and the like, and the instrument adopts high-precision and automatic linear-regulation direct current and alternating current power supplies, a high-speed and high-reliability digital processing module is required to have high-power output power supply to meet test requirements, and is also convenient for test personnel to use and carry, and a front measuring circuit with high measurement precision and high stability ensures the accuracy and high stability of instrument measurement.

The utility model discloses a comprehensive tester of mutual-inductor of patent document as publication No. CN215641786U, including tester body and a plurality of admission device, there is the case lid at the top at tester body back through the hinge, the top fixedly connected with of case lid inner wall is a plurality of fixed drum, admission device can dismantle the grafting in the inside of fixed drum, admission device from the top down comprises first spacing post, spliced pole and second spacing post in proper order, second spacing post integrated into one piece is between first spacing post and second spacing post, the surface integrated into one piece of spliced pole is by a plurality of fastener. The wire collecting device can be adsorbed and fixed in the fixed cylinder, so that the wires are stored independently, the wires cannot be knotted and wound, and the wire collecting device is convenient to use next time.

In the use process of the device, although the device is convenient for accommodating the lead, the device is not provided with a heat dissipation mechanism, heat can be emitted when the device operates, the device is a precise electronic instrument, and the measurement accuracy of the device can be reduced due to the excessively high heat, so that accurate measurement results are not obtained by a user, and therefore, the comprehensive tester for the variable frequency transformer is provided.

Disclosure of Invention

The utility model aims to provide a comprehensive tester for a variable frequency transformer, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a frequency conversion mutual-inductor integrated tester, includes casing and ventilation hole, the inside upper end of casing is provided with micro motor, and micro motor's lower extreme middle part is provided with the flabellum, micro motor's lower extreme left and right sides all is provided with the screw, the ventilation hole sets up in the left end of casing.

Further, the upper part of the front end of the shell is provided with a test power supply output terminal, an output voltage return terminal and an induced voltage measurement terminal in sequence from left to right, and the outside of the test power supply output terminal is provided with a rubber dust plug.

Further, a liquid crystal display screen is arranged on the left side of the lower portion of the front end of the shell, and the liquid crystal display screen is connected with the shell in an embedded mode.

Further, a rotary mouse is arranged on the right side of the lower part of the front end of the shell, and the rotary mouse is in rotary connection with the shell.

Further, both ends all are provided with crashproof sponge piece about the casing, and crashproof sponge piece is adhesive connection with the casing.

Further, the middle part of the upper end of the shell is provided with a handle assembly, the handle assembly comprises a plastic handle and fixing pieces, and the left end and the right end of the plastic handle are respectively provided with the fixing pieces.

Further, the left side of the inner lower end of the shell is provided with a data conversion module, and the right side of the inner lower end of the shell is provided with a control terminal.

Further, the inside of ventilation hole is provided with the dust screen, and the dust screen is inlayed with the ventilation hole and is connected.

The utility model provides a comprehensive tester for a variable frequency transformer, which has the following beneficial effects: in the use, can give off fast the heat that the device is inside produced, be favorable to the user to obtain accurate measuring result, obtain the result of multiple test parameter through with two kinds of wiring modes, and simple operation process, obtain each required detection result of mutual-inductor test, improved the work efficiency that the user detected, can avoid when connecting the terminal, the condition mode that leads to working line short circuit because of the dust interference, also avoided outside dust entering device inside to interfere the normal work of inside accurate electronic component simultaneously, guaranteed the smoothness nature of test procedure.

1. According to the utility model, through the arrangement of the fan blades, the micro motor, the screws and the ventilation holes, when the device is operated, a large amount of heat can be generated by the electronic element in the device, the ventilation holes are arranged at the left end of the device, the heat in the device can be emitted, meanwhile, the micro motor is fixedly arranged at the upper end of the device by the screws, the fan blades are arranged at the lower end of the micro motor, the micro motor drives the fan blades to rotate, the air circulation in the device is accelerated, the temperature in the device is quickly balanced with the outside, in the process, the heat generated in the device can be rapidly emitted, the condition that the measuring precision of the device is reduced due to the excessively high heat is avoided, the accuracy of the measuring result is ensured, and the accurate measuring result is beneficial to a user.

2. According to the utility model, through the arrangement of the liquid crystal display, the rotary mouse, the test power supply output terminal, the output voltage return terminal, the induced voltage measuring terminal, the data conversion module and the control terminal, when the device is used, one section of the terminal connecting wire is connected with the transformer to be tested, and then the terminal connecting wire is connected with the test power supply output terminal, the output voltage return terminal and the induced voltage measuring terminal on the device respectively according to parameters required to be measured, the power supply is connected, the rotary mouse is rotated, the control is carried out through the rotary mouse according to the content on the liquid crystal display, the detection is started, the control terminal and the data conversion module in the device carry out the detection conversion on corresponding data information, and the display is carried out through the liquid crystal display.

Drawings

FIG. 1 is a schematic diagram of the front view structure of a comprehensive tester for a variable frequency transformer;

FIG. 2 is a schematic diagram of the front view structure of the test power supply output terminal of the comprehensive tester of the variable frequency transformer;

FIG. 3 is a schematic diagram of a front cross-sectional structure of a comprehensive tester for a variable frequency transformer according to the present utility model;

FIG. 4 is a schematic diagram of a test structure of a comprehensive tester for a variable frequency transformer according to the present utility model;

fig. 5 is a schematic diagram of a top view structure of a comprehensive tester for a variable frequency transformer.

In the figure: 1. a housing; 2. a liquid crystal display; 3. rotating the mouse; 4. a rubber dust plug; 5. a test power supply output terminal; 6. an anti-collision sponge block; 7. an output voltage return terminal; 8. an induced voltage measurement terminal; 9. a handle assembly; 901. a plastic handle; 902. a fixing member; 10. a data conversion module; 11. a control terminal; 12. a fan blade; 13. a micro motor; 14. a screw; 15. a vent hole; 16. a dust-proof net.

Detailed Description

As shown in figures 1-4, the comprehensive tester for the variable frequency transformer comprises a shell 1 and a vent hole 15, wherein the upper end of the interior of the shell 1 is provided with a micro motor 13, the middle part of the lower end of the micro motor 13 is provided with a fan blade 12, the left side and the right side of the lower end of the micro motor 13 are both provided with screws 14, the vent hole 15 is arranged at the left end of the shell 1, when the device operates, electronic elements in the device can generate a large amount of heat, the vent hole 15 is arranged at the left end of the device, the heat in the device can be dissipated, the micro motor 13 is fixedly arranged at the upper end of the interior of the device by the screws 14, the fan blade 12 is arranged at the lower end of the micro motor 13, the micro motor 13 drives the fan blade 12 to rotate, air circulation in the device is accelerated, the temperature in the device is kept balanced with the outside rapidly, the heat generated in the device can be dissipated rapidly in the process, the situation that the measuring precision of the device is reduced due to excessively high heat is avoided, the accuracy of the measuring result is guaranteed, the measuring result is convenient for a user to obtain the accurate measuring result, a test power supply output terminal 5, an output voltage return terminal 7 and an induced voltage measuring terminal 8 are sequentially arranged at the upper part of the front end of the shell 1 from left to right, a rubber dust plug 4 is arranged outside the test power supply output terminal 5, a liquid crystal display screen 2 is arranged at the left side of the lower part of the front end of the shell 1, the liquid crystal display screen 2 is connected with the shell 1 in an embedded manner, a rotary mouse 3 is arranged at the right side of the lower part of the front end of the shell 1, the rotary mouse 3 is in rotary connection with the shell 1, a data conversion module 10 is arranged at the left side of the lower part of the inside of the shell 1, a control terminal 11 is arranged at the right side of the lower part of the inside of the shell 1, and when the transformer to be measured is used, one section of a terminal connecting wire is firstly connected with the transformer to be measured, and then according to the parameters to be measured, connecting a terminal connecting wire with a test power supply output terminal 5, an output voltage return terminal 7 and an induced voltage measuring terminal 8 on the device respectively, switching on a power supply, rotating a rotating mouse 3, controlling by rotating the rotating mouse 3 according to the content on a liquid crystal display 2, starting detection, detecting and converting corresponding data information by a control terminal 11 and a data conversion module 10 in the device, and displaying by the liquid crystal display 2.

As shown in fig. 1, fig. 2, fig. 4 and fig. 5, both ends all are provided with crashproof sponge piece 6 about casing 1, and crashproof sponge piece 6 is bonding connection with casing 1, the upper end middle part of casing 1 is provided with handle subassembly 9, handle subassembly 9 includes plastic handle 901 and mounting 902, and both ends all are provided with mounting 902 about the plastic handle 901, the inside of ventilation hole 15 is provided with dust screen 16, and dust screen 16 is the mosaic connection with ventilation hole 15, during the use, at the ventilation hole 15 internally mounted dust screen 16 of device, at test power output terminal 5, output voltage returns test terminal 7 and the outside installation rubber dust plug 4 of induced voltage measurement terminal 8, can prevent outside dust entering device inside, in this process, can avoid at the connecting terminal time, because of the dust interferes and lead to the condition mode of working line short circuit, the normal work of the inside accurate electronic component of outside dust entering device internal interference has also been avoided simultaneously, the smoothness of test procedure has been guaranteed.

In summary, this frequency conversion mutual-inductor comprehensive tester, when using, firstly be connected with the mutual-inductor that awaits measuring with one section of terminal connecting wire, parameter that is measured as required again, test power output terminal 5 on terminal connecting wire and the device, output voltage returns test terminal 7 and induced voltage measurement terminal 8 are connected respectively, switch on the power, rotatory mouse 3, control through rotatory mouse 3 according to the content on the liquid crystal display 2, begin to detect, control terminal 11 and data conversion module 10 that is inside the device detect the conversion to show through liquid crystal display 2, when the device is in operation, the electronic component of device inside can produce a large amount of heats, set up ventilation hole 15 can distribute the heat of device inside at the device left end, simultaneously use screw 14 fixed mounting micro motor 13 in the inside upper end of device, and install flabellum 12 in the lower extreme of micro motor 13, the air circulation of micro motor 13 drive flabellum 12, make the inside temperature of device keep balance with the external world fast, at the inside dustproof net 16 of the inside of ventilation hole 15 of device, at test power output terminal 5, output voltage returns test terminal 7 and induced voltage measurement terminal 8 are the inside the device, this is the dust collector is the principle of the inside the device is prevented from getting into the dust, this comprehensive tester is installed with the outside dust.

Claims (8)

1. The utility model provides a frequency conversion mutual-inductor integrated tester, includes casing (1) and ventilation hole (15), its characterized in that, the inside upper end of casing (1) is provided with micro motor (13), and the lower extreme middle part of micro motor (13) is provided with flabellum (12), the lower extreme left and right sides of micro motor (13) all is provided with screw (14), ventilation hole (15) set up in the left end of casing (1).

2. The comprehensive tester for the variable frequency transformer according to claim 1, wherein a test power supply output terminal (5), an output voltage return terminal (7) and an induced voltage measurement terminal (8) are sequentially arranged on the upper portion of the front end of the shell (1) from left to right, and a rubber dust plug (4) is arranged outside the test power supply output terminal (5).

3. The comprehensive tester for the variable frequency transformer according to claim 1, wherein a liquid crystal display screen (2) is arranged on the left side of the lower part of the front end of the shell (1), and the liquid crystal display screen (2) is connected with the shell (1) in an embedded mode.

4. The comprehensive tester for the variable frequency transformer according to claim 1, wherein a rotary mouse (3) is arranged on the right side of the lower part of the front end of the shell (1), and the rotary mouse (3) is in rotary connection with the shell (1).

5. The comprehensive tester for the variable frequency transformer according to claim 1, wherein anti-collision sponge blocks (6) are arranged at the left end and the right end of the shell (1), and the anti-collision sponge blocks (6) are in adhesive connection with the shell (1).

6. The comprehensive tester for the variable frequency transformer according to claim 1, wherein a handle assembly (9) is arranged in the middle of the upper end of the shell (1), the handle assembly (9) comprises a plastic handle (901) and fixing pieces (902), and the fixing pieces (902) are arranged at the left end and the right end of the plastic handle (901).

7. The variable frequency transformer comprehensive tester according to claim 1, wherein a data conversion module (10) is arranged on the left side of the inner lower end of the shell (1), and a control terminal (11) is arranged on the right side of the inner lower end of the shell (1).

8. The comprehensive tester for the variable frequency transformer according to claim 1, wherein a dust screen (16) is arranged in the vent hole (15), and the dust screen (16) is connected with the vent hole (15) in a mosaic manner.

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