CN212207513U - Dry-type transformer material analyzer - Google Patents

Abstract

The utility model discloses a dry-type transformer material quality analyzer, including mainframe box, case lid and the bottom of the case, the mainframe box comprises the case lid and the bottom of the case of being connected with the case lid, hinged joint is passed through to case lid and the bottom of the case, surface bolt fastening has the handle before the bottom of the case, the bottom surface of the case is provided with operating panel. The utility model discloses in, this dry-type transformer material analyzer, collect the transformer material and detect, capacity test, the characteristic test, the direct resistance test, the transformation ratio test and the whole body, be a high accuracy comprehensive testing device to the special development of dry-type transformer material, in using, can easily detect out whether dry-type transformer replaces copper with aluminium with the inferior good, can also accurately test transformer capacity, can accurately detect whether the user changes, change the transformer data plate, can carry out accurate measurement to power frequency parameters such as the capacity of various transformers again, load loss, no-load loss, impedance voltage, no-load current.

Description

Dry-type transformer material analyzer

Technical Field

The utility model relates to a resistance test technical field especially relates to dry-type transformer material analyzer.

Background

Because the price of the copper wire is higher than that of the aluminum wire, the phenomenon that the aluminum wire replaces the copper wire to serve as a conductor material often exists in the production process of the dry-type transformer, the power consumption quality of the aluminum wire is poorer than that of the copper wire, the aluminum wire replaces the copper wire to produce the dry-type transformer, the load capacity of the dry-type transformer is reduced, the loss is increased, the service life is shortened, and the like, so that the dry-type transformer which replaces copper with aluminum and is inferior in quality is accurately detected, and the potential hazard brought by putting the dry-type transformer which replaces copper with aluminum is avoided.

At present, domestic and international researches mainly focus on the problem of whether an aluminum coil transformer can replace a copper coil transformer, the research on the detection method of the copper-aluminum coil is less, and the related detection method is not mature.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the dry-type transformer material analyzer who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the dry-type transformer material analyzer comprises a mainframe box, a box cover and a box bottom;

the mainframe box consists of a box cover and a box bottom connected with the box cover, the box cover is connected with the box bottom through a hinge, and a lifting handle is fixed on the front surface of the box bottom through a bolt;

an operation panel is arranged on the upper surface of the box bottom, a characteristic test input terminal, a capacity test input terminal, a display screen, a material test input terminal, a direct resistance test input terminal, a temperature and data acquisition port, a micro printer, a keyboard, a switch and a charging operation terminal are arranged on the operation panel, and a voltage sampler, a current sampler, a processing chip and a memory are arranged inside the box bottom;

the voltage input terminal of the characteristic test input terminal, the capacity test input terminal, the material test input terminal and the direct resistance test input terminal is connected with the voltage sampler;

the current input terminal of the characteristic test input terminal, the capacity test input terminal, the material test input terminal and the direct resistance test input terminal is connected with the current sampler;

the input end of the processing chip is connected with the voltage sampler and the current sampler.

Preferably, the characteristic test input terminal is an input terminal mainly used for detecting a conductor material of the dry type transformer, and is connectable to the dry type transformer to be detected, and the characteristic test input terminal includes a voltage input terminal and a current input terminal.

Preferably, the temperature and data acquisition port comprises a temperature acquisition interface and a data acquisition interface, the temperature acquisition interface can be externally connected with a temperature sensor to realize temperature acquisition, and the data acquisition interface is a USB interface.

Preferably, the processing chip is further connected with the memory, the display screen and the temperature and data acquisition port through wires.

Preferably, the material test input terminal includes a source output port, a high voltage input port, and a low voltage input port.

Preferably, the switch and the charging operation terminal comprise a grounding port, a charging indicator lamp, an alternating current charging port switch and a working switch.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses in, this dry-type transformer material analyzer, collect the transformer material and detect, capacity test, the characteristic test, the direct resistance test, the transformation ratio test and the whole body, be a high accuracy comprehensive testing device to the special development of dry-type transformer material, in using, can easily detect out whether dry-type transformer replaces copper with aluminium with the inferior good, can also accurately test transformer capacity, can accurately detect whether the user changes, change the transformer data plate, can carry out accurate measurement to power frequency parameters such as the capacity of various transformers again, load loss, no-load loss, impedance voltage, no-load current.

Drawings

Fig. 1 is a schematic view of an appearance structure of a dry-type transformer material analyzer provided by the present invention;

fig. 2 is a schematic structural diagram of an operation panel of the dry-type transformer material analyzer according to the present invention;

fig. 3 is a block diagram of a dry-type transformer material analyzer according to the present invention.

Illustration of the drawings:

1. a main chassis; 2. a handle; 10. a box cover; 20. the box bottom; 30. an operation panel; 31. a characteristic test input terminal; 311. a voltage input terminal; 312. a current input terminal; 32. a capacity test input terminal; 33. a display screen; 34. a material test input terminal; 35. a direct resistance test input terminal; 351. a temperature acquisition interface; 352. a data acquisition interface; 36. a temperature and data acquisition port; 37. a micro printer; 38. a keyboard; 39. a switch and a charging operation terminal; 40. a voltage sampler; 50. a current sampler; 60. processing the chip; 70. a memory; .

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.

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; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; 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.

Referring to fig. 1-3, the dry type transformer material analyzer includes a main case 1, a case cover 10 and a case bottom 20;

the main case 1 consists of a case cover 10 and a case bottom 20 connected with the case cover 10, the case cover 10 is connected with the case bottom 20 through a hinge, and a lifting handle 2 is fixed on the front surface of the case bottom 20 through a bolt;

an operation panel 30 is arranged on the upper surface of the box bottom 20, a characteristic test input terminal 31, a capacity test input terminal 32, a display screen 33, a material test input terminal 34, a direct resistance test input terminal 35, a temperature and data acquisition port 36, a micro printer 37, a keyboard 38 and a switch and charging operation terminal 39 are arranged on the operation panel 30, and a voltage sampler 40, a current sampler 50, a processing chip 60 and a memory 70 are arranged inside the box bottom 20;

a voltage sampler 40 is connected to a voltage input terminal of the characteristic test input terminal 31, the capacity test input terminal 32, the material test input terminal 34, and the direct resistance test input terminal 35;

a current sampler 50 is connected to a current input terminal of the characteristic test input terminal 31, the capacity test input terminal 32, the material test input terminal 34, and the direct resistance test input terminal 35; the current sampler 50 may sample current data of the connected dry-type transformer to be detected through the current input terminal 312;

the input terminal of the processing chip 60 is connected to the voltage sampler 40 and the current sampler 50, so that the voltage data and the current data sampled by the voltage sampler 40 and the current sampler 50 can be analyzed to detect whether the conductor material of the dry-type transformer to be detected is copper or aluminum.

The characteristic test input terminal 31 is an input terminal mainly used for detecting conductor materials of the dry type transformer and can be connected with the dry type transformer to be detected, the characteristic test input terminal 31 comprises a voltage input terminal 311 and a current input terminal 312, the voltage input terminal 311 is provided with 4 input ports corresponding to Ua, Ub, Uc and Un, the voltage input range can be 0-750V, the current input terminal 312 is provided with 6 input ports, the 6 input ports can be composed of 3 positive and negative current input ports corresponding to Ia +, Ia-, Ib +, Ib-, Ic + and Ic-, and the current input range is 0-100A.

Temperature and data acquisition port 36 includes temperature acquisition interface 351 and data acquisition interface 352, and the temperature acquisition interface 351 that sends can external temperature sensor realize temperature acquisition, and data acquisition interface 352 is the USB interface, can make the analysis appearance provide export, import data function.

The capacity test input terminal 32 is an input terminal mainly used for performing capacity test of the dry-type transformer, and can be connected with the dry-type transformer to be tested, so that when the analyzer detects the conductor material of the dry-type transformer, the capacity test input terminal has the capacity test function of the dry-type transformer, and the realization of the diversified functions of the analyzer is possible, and the capacity test input terminal 32 can have 8 input ports corresponding to Ua, Ub, Uc, Un, Ia, Ib, Ic and In.

The material test input terminal 34 includes a source output port, a high voltage input port, and a low voltage input port.

The switch and charge operation terminal 39 includes a ground interface, a charge indicator, an ac charging interface switch, and a work switch.

The keypad 38 has 16 keys, respectively: f1, F2, F3 and F4, wherein the number of keys of the number of F1, the number of F2, the number of F3 and the number of F4 are respectively 0 to 9, and the number of the keys of the number of F4, the number of the keys of the number of F2, the number of the keys of the number of F3 and the number of the keys of the number of F4 are 4 multifunctional keys which correspond.

The processing chip 60 is also connected by wires to the memory 70, display 33 and temperature and data acquisition port 36.

The memory 70 may store the analysis result of the processing chip 60, and further, the memory 70 may store the characteristics of the voltage data and the current data of the dry-type transformer made of copper wire material, so that the processing chip 60 may compare the characteristics of the voltage data and the current data sampled by the voltage sampler 40 and the current sampler 50 with the characteristics of the voltage data and the current data of the dry-type transformer made of copper wire material to realize the material detection of the dry-type transformer to be detected; the process can be a comparison processing process of data, and can be realized by applying a common data comparison logic, in the dry-type transformer material analyzer, the voltage input terminal 311 and the current input terminal 312 are arranged on the operation panel 30, so that the voltage sampler 40 and the dry-type transformer are connected by taking the voltage input terminal 311 as a bridge, and the current sampler 50 and the dry-type transformer are connected by taking the current input terminal 312 as a bridge, thereby realizing the safe and convenient sampling of data to be detected of the dry-type transformer.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The dry-type transformer material analyzer is characterized by comprising a main case (1), a case cover (10) and a case bottom (20);

the mainframe box (1) consists of a box cover (10) and a box bottom (20) connected with the box cover (10), the box cover (10) is connected with the box bottom (20) through a hinge, and a lifting handle (2) is fixed on the front surface of the box bottom (20) through a bolt;

an operation panel (30) is arranged on the upper surface of the box bottom (20), a characteristic test input terminal (31), a capacity test input terminal (32), a display screen (33), a material test input terminal (34), a direct resistance test input terminal (35), a temperature and data acquisition port (36), a micro printer (37), a keyboard (38) and a switch and charging operation terminal (39) are arranged on the operation panel (30), and a voltage sampler (40), a current sampler (50), a processing chip (60) and a memory (70) are arranged in the box bottom (20);

a voltage input terminal of the characteristic test input terminal (31), the capacity test input terminal (32), the material test input terminal (34) and the direct resistance test input terminal (35) is connected with a voltage sampler (40);

the characteristic test input terminal (31), the capacity test input terminal (32), the material test input terminal (34) and the direct resistance test input terminal (35) are connected with a current sampler (50), and the input end of the processing chip (60) is connected with a voltage sampler (40) and the current sampler (50).

2. The dry type transformer material analyzer as claimed in claim 1, wherein the characteristic test input terminal (31) is an input terminal mainly used for detecting a conductor material of the dry type transformer, and is connectable to the dry type transformer to be detected, and the characteristic test input terminal (31) includes a voltage input terminal (311) and a current input terminal (312).

3. The dry-type transformer material analyzer as claimed in claim 1, wherein the temperature and data collecting port (36) comprises a temperature collecting interface (351) and a data collecting interface (352), the temperature collecting interface (351) is capable of being externally connected with a temperature sensor to collect temperature, and the data collecting interface (352) is a USB interface.

4. Dry-type transformer material analyzer according to claim 1, characterized in that the processing chip (60) is further connected with the memory (70), the display screen (33) and the temperature and data acquisition port (36) by wires.

5. The dry transformer material analyzer as claimed in claim 1, wherein the material testing input terminals (34) comprise a source output port, a high voltage input port and a low voltage input port.

6. The dry-type transformer material analyzer as claimed in claim 1, wherein the switch and charge operation terminal (39) comprises a ground interface, a charge indicator, an ac charging interface switch and an operation switch.

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