CN211929262U

CN211929262U - Self-cooled high-frequency transformer set with temperature protection function

Info

Publication number: CN211929262U
Application number: CN202020565652.0U
Authority: CN
Inventors: 沈怡; 王猛
Original assignee: Suzhou Qinersheng Electric Co ltd
Current assignee: Suzhou Qinersheng Electric Co ltd
Priority date: 2020-04-16
Filing date: 2020-04-16
Publication date: 2020-11-13
Anticipated expiration: 2030-04-16

Abstract

The utility model discloses a self-cooled high frequency transformer group with temperature protect function, including coil and iron core, the coil has been cup jointed at the middle part of iron core, and the outside of iron core and coil is provided with the casing, casing left end below is connected with the input terminal box, the utility model discloses an input terminal and output terminal and because the effect of fixed tooth, can directly the inside of chucking connecting wire for the connection is more firm, avoids connecting firmly enough and takes place to drop in the firm use; during work, the temperature monitor is connected to the outer wall of the left side of the shell and fixed to the outer wall of the shell through the mounting edge screws, so that the temperature measuring section of the thermometer is in direct contact with the shell, temperature monitoring on the transformer can be carried out constantly, an operator can monitor the temperature change of the observation equipment through the thermometer at any time, the temperature can be timely processed when the temperature is too high, and damage to the transformer caused by the fact that the temperature is too high is avoided.

Description

Self-cooled high-frequency transformer set with temperature protection function

Technical Field

The utility model belongs to the technical field of the transformer is relevant, concretely relates to self-cooling high frequency transformer group with temperature protect function.

Background

A transformer is a stationary electrical device used to transform ac voltage, current and transmit ac power. The electric energy transmission is realized according to the principle of electromagnetic induction. Transformers can be classified into power transformers, test transformers, instrument transformers, and transformers for special purposes, in terms of their use: the power transformer is necessary equipment for power transmission and distribution and power consumer distribution; the device is used for carrying out voltage withstand (boosting) test on electrical equipment by the test transformer; the instrument transformer is used for electrical measurement and relay protection (PT, CT) of a power distribution system; the transformer with special purpose includes smelting furnace transformer, electric welding transformer, electrolysis rectifier transformer and small regulating transformer.

The existing high-frequency transformer technology has the following problems: when the transformer is used, if the temperature is too high for a long time, the transformer can be damaged due to high temperature, the wiring at the wiring position is not firm enough, and the circuit can not transmit current smoothly in time due to the fact that the circuit can fall off in the using process, so that the use is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a self-cooling high frequency transformer group with temperature protect function to when solving the use that proposes in the above-mentioned background art, if long-time service temperature is too high can not in time discover, can lead to transformer high temperature impaired, and the wiring of wiring department is firm inadequately, can take place to drop in the use and lead to the unable in time unblocked transmission current of circuit, influences the use problem.

In order to achieve the above object, the utility model provides a following technical scheme:

a self-cooling high-frequency transformer set with temperature protection function comprises a coil and an iron core, wherein the coil is sleeved in the middle of the iron core, a shell is arranged outside the iron core and the coil, an input terminal box is connected below the left end of the shell, an output terminal box is connected below the right end of the shell, an output terminal is connected below the output terminal box, an input terminal is connected below the input terminal box, a temperature monitor is connected on the outer wall of the left side of the shell, the temperature monitor comprises a thermometer, a fixed block and an installation edge, the top end of the thermometer is located in the internal clamping connection of the fixed block, the left side and the right side of the fixed block are both connected with the installation edge, the top end of the thermometer located inside the fixed block is a temperature measuring end, the temperature measuring end of the thermometer is directly contacted with the shell, the temperature monitor is fixed, the input terminal comprises a connecting column, a plug wire hole, a sliding fixing block, a screwing handle, a thread fixing column and fixing teeth, wherein the plug wire hole is formed in the bottom end of the connecting column, the fixing teeth are arranged on the inner side of the top of the plug wire hole, a threaded hole is formed in the center of the bottom of the plug wire hole, the thread fixing column is inserted in the threaded hole, the thread fixing column is in fit connection with the threaded hole, the top end of the thread fixing column is located on the sliding fixing block of the internal connection of the plug wire hole, the screwing handle is connected to the bottom end of the thread fixing column, the input terminal is electrically connected with the input terminal box through the connecting column, the input terminal and the output

Preferably, the number of the output terminal posts and the number of the input terminal posts are two.

Preferably, the thread fixing column is arranged by adopting an anti-theft bolt, and cannot rotate freely under the condition of applying external force without screwing the handle.

Preferably, the sliding fixing block can move up and down in the wire insertion hole by rotating and lifting the threaded fixing column.

Preferably, the fixing block and the mounting edge are of an integrated structure.

Compared with the prior art, the utility model provides a self-cooling high frequency transformer group with temperature protect function possesses following beneficial effect:

the utility model discloses a through input terminal and output terminal respectively with outside input terminal box output terminal line be connected, when connecting because the input terminal includes the spliced pole, the plug wire hole, the slip fixed block, twist the handle soon, the screw fixation post and fixed tooth, the bottom inside of spliced pole is provided with the plug wire hole, the top inboard of plug wire hole is provided with fixed tooth, the bottom central point department of plug wire hole is provided with the screw hole, and the inside grafting of screw hole has the screw fixation post, the screw fixation post agrees with the screw hole and is connected, the top of screw fixation post just lies in the inside connection slip fixed block of plug wire hole, the bottom of screw fixation post is connected with twists the handle soon, the input terminal passes through the spliced pole and is connected with the input terminal box electrical behavior, the input terminal is the same with the specification model of output terminal, so, then the screwing handle is rotated, so that the threaded fixing column is matched, connected and rotated with the threaded hole, the sliding fixing block moves upwards, the input end wiring arranged on the sliding fixing block is clamped inside the sliding fixing block and the fixing teeth, and the inside of the connecting wire can be directly clamped under the action of the fixing teeth, so that the connection is firmer, the connecting wire is prevented from falling off in the process of being used due to the fact that the connection is not firm enough, the output end wiring is connected with the output connecting wire, and the principle is the same as the connection principle of the input connecting wire;

during operation because be connected with temperature monitor on the left side outer wall of casing, temperature monitor includes the thermometer, fixed block and installation limit, the top of thermometer is located the inside joint of fixed block, and the left and right sides of fixed block all is connected with the installation limit, the top that the thermometer is located the fixed block inside is the temperature measurement end, and the temperature measurement end of thermometer is direct and casing contact, temperature monitor passes through installation limit screw fixation on the outer wall of casing, so the temperature measurement section and the casing direct contact of thermometer, can carry out the temperature monitoring on the transformer constantly, operating personnel can monitor the change of observation device temperature at any time through the thermometer, can in time handle when discovering the high temperature, form the operation of a high temperature protection, avoid making the transformer take place the damage because the high temperature.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic structural diagram of a self-cooling high-frequency transformer set with a temperature protection function according to the present invention;

fig. 2 is a schematic structural view of the temperature monitor provided by the present invention;

fig. 3 is a schematic structural view of the fixing end of the binding post provided by the present invention;

in the figure: 1. an input terminal box; 2. a temperature monitor; 3. a coil; 4. an iron core; 5. a housing; 6. an output terminal box; 7. an output terminal post; 8. an input terminal post; 9. a thermometer; 10. a fixed block; 11. installing edges; 12. connecting columns; 13. a wire insertion hole; 14. sliding the fixed block; 15. screwing the handle; 16. a threaded fixing column; 17. and (5) fixing the teeth.

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 "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a detachable 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.

Referring to fig. 1-3, the present invention provides a technical solution:

a self-cooled high-frequency transformer set with a temperature protection function comprises a coil 3 and an iron core 4, the coil 3 is sleeved in the middle of the iron core 4, a shell 5 is arranged outside the iron core 4 and the coil 3, an input terminal box 1 is connected below the left end of the shell 5, an output terminal box 6 is connected below the right end of the shell 5, an output terminal 7 is connected below the output terminal box 6, an input terminal 8 is connected below the input terminal box 1, a temperature monitor 2 is connected on the outer wall of the left side of the shell 5, the temperature monitor 2 comprises a thermometer 9, a fixed block 10 and a mounting edge 11, the top end of the thermometer 9 is positioned inside the fixed block 10 and clamped, the mounting edge 11 is connected on the left side and the right side of the fixed block 10, the top end of the thermometer 9 positioned inside the fixed block 10 is a temperature measuring end, and the temperature measuring end of, the temperature monitor 2 is fixed on the outer wall of the shell 5 through a mounting edge 11 by screws, an input terminal 8 comprises a connecting column 12, a wire inserting hole 13, a sliding fixed block 14, a screwing handle 15, a thread fixing column 16 and a fixed tooth 17, the wire inserting hole 13 is formed in the bottom end of the connecting column 12, the fixed tooth 17 is arranged on the inner side of the top of the wire inserting hole 13, a threaded hole is formed in the center of the bottom of the wire inserting hole 13, the thread fixing column 16 is inserted in the threaded hole and is in fit connection with the threaded hole, the top end of the thread fixing column 16 and the inside of the wire inserting hole 13 are connected with the sliding fixed block 14, the screwing handle 15 is connected to the bottom end of the thread fixing column 16, the input terminal 8 is electrically connected with the input terminal box 1 through the connecting column 12;

the utility model provides a self-cooling high frequency transformer group with temperature protect function, all is provided with two including output terminal post 7 and input terminal post 8, and screw thread fixing post 16 adopts the theftproof bolt setting, does not exert unable free rotation under the condition of external force through revolving twist handle 15, and the rotation lift of the usable screw thread fixing post 16 of sliding fixed block reciprocates in the inside of plug wire hole 13, fixed block 10 and installation limit 11 formula structure as an organic whole.

The utility model discloses a theory of operation and use flow: after the utility model is installed, the input terminal 8 and the output terminal 7 are respectively connected with the output terminal line of the external input terminal box, when in connection, because the input terminal 8 comprises a connecting post 12, a plug wire hole 13, a sliding fixed block 14, a screwing handle 15, a thread fixing post 16 and a fixed tooth 17, the bottom inside of the connecting post 12 is provided with the plug wire hole 13, the top inside of the plug wire hole 13 is provided with the fixed tooth 17, the bottom center position of the plug wire hole 13 is provided with a threaded hole, the inside of the threaded hole is inserted with the thread fixing post 16, the thread fixing post 16 is in fit connection with the threaded hole, the top of the thread fixing post 16 is positioned inside the plug wire hole 13 and is connected with the sliding fixed block 14, the bottom of the thread fixing post 16 is connected with the screwing handle 15, the input terminal 8 is electrically, the input terminal 8 and the output terminal 7 have the same model and specification, so the input terminal connecting wire is directly inserted into the wire inserting hole 13, and then the handle 15 is rotated and screwed, so that the threaded fixing column 16 is matched with the threaded hole for connection and rotation, the sliding fixing block 14 is moved upwards, the input terminal connecting wire placed on the sliding fixing block 14 is clamped in the sliding fixing block 14 and the fixing teeth 17, and the inside of the connecting wire can be directly clamped due to the action of the fixing teeth 17, so that the connection is firmer, the connecting wire is prevented from falling off in the insufficiently firm connection using process, the output terminal 7 is connected with the output connecting wire, the principle is the same as that of the input connecting wire, the power supply is switched on after the connection, because the two windings of the coil 3 are respectively a primary coil and a secondary coil, and the primary coil inside the coil 3 is switched on with alternating current, an alternating current magnetic flux is generated in the iron core 4, so that a voltage is induced in a secondary coil inside the coil 3, when the transformer is in work, as the temperature monitor 2 is connected to the outer wall of the left side of the shell 5, the temperature monitor 2 comprises a thermometer 9, a fixing block 10 and a mounting edge 11, the top end of the thermometer 9 is positioned in the fixing block 10 and clamped, the mounting edge 11 is connected to the left side and the right side of the fixing block 10, the top end of the thermometer 9 positioned in the fixing block 10 is a temperature measuring end, the temperature measuring end of the thermometer 9 is directly contacted with the shell 5, the temperature monitor 2 is fixed on the outer wall of the shell 5 through the mounting edge 11 by screws, so that the temperature measuring section of the thermometer 9 is directly contacted with the shell 5, the temperature monitoring on the transformer can be carried out all the time, an operator can monitor and observe the temperature change of the equipment at, the transformer is prevented from being damaged due to overhigh temperature.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A self-cooled high frequency transformer group with temperature protection function, includes coil (3) and iron core (4), its characterized in that: the coil (3) is sleeved in the middle of the iron core (4), the shell (5) is arranged outside the iron core (4) and the coil (3), the input terminal box (1) is connected below the left end of the shell (5), the output terminal box (6) is connected below the right end of the shell (5), the output terminal post (7) is connected below the output terminal box (6), the input terminal post (8) is connected below the input terminal box (1), the temperature monitor (2) is connected on the outer wall of the left side of the shell (5), the temperature monitor (2) comprises a thermometer (9), a fixed block (10) and an installation edge (11), the top end of the thermometer (9) is connected with the fixed block (10) in a clamped mode, the installation edge (11) is connected to the left side and the right side of the fixed block (10), and the top end of the thermometer (9) located inside the fixed block (10) is a temperature measuring end, the temperature measuring end of the thermometer (9) is directly contacted with the shell (5), the temperature monitoring instrument (2) is fixed on the outer wall of the shell (5) through a mounting edge (11) by screws, the input terminal (8) comprises a connecting column (12), a plug wire hole (13), a sliding fixing block (14), a screwing handle (15), a thread fixing column (16) and a fixing tooth (17), the plug wire hole (13) is formed in the bottom end of the connecting column (12), the fixing tooth (17) is arranged on the inner side of the top of the plug wire hole (13), a threaded hole is formed in the center of the bottom of the plug wire hole (13), the thread fixing column (16) is inserted into the threaded hole, the thread fixing column (16) is matched and connected with the threaded hole, the top end of the thread fixing column (16) is positioned in the plug wire hole (13) and connected with the sliding fixing block (, the bottom end of the threaded fixing column (16) is connected with a screwing handle (15), the input terminal (8) is electrically connected with the input terminal box (1) through a connecting column (12), and the input terminal (8) and the output terminal (7) are identical in model specification.

2. The self-cooled high-frequency transformer bank with the temperature protection function as claimed in claim 1, wherein: and the output terminal (7) and the input terminal (8) are respectively provided with two terminals.

3. The self-cooled high-frequency transformer bank with the temperature protection function as claimed in claim 1, wherein: the thread fixing column (16) is arranged by adopting an anti-theft bolt, and cannot rotate freely under the condition that external force is applied without screwing the handle (15).

4. The self-cooled high-frequency transformer bank with the temperature protection function as claimed in claim 1, wherein: the sliding fixing block (14) can move up and down in the wire inserting hole (13) by utilizing the rotation and the lifting of the threaded fixing column (16).

5. The self-cooled high-frequency transformer bank with the temperature protection function as claimed in claim 1, wherein: the fixing block (10) and the mounting edge (11) are of an integrated structure.