Full-isolation annular transformer

Abstract

The utility model discloses a full-isolation ring transformer, belongs to the technical field of transformers, and solves the problem that other structures are electrified to generate magnetism, so that the normal work of the ring transformer is hindered, and isolation setting is needed. Comprising a connecting bottom plate, an annular sleeve, an annular plate, an iron core winding, a rotating plate and a wrapping post, wherein the annular sleeve is detachably connected to the connecting bottom plate and is in an annular cylinder shape; the annular plate is integrally formed on the top surface of the annular sleeve; the iron core winding is fixedly connected to the connecting bottom plate and is positioned in the annular sleeve; a wire outlet penetrating in the thickness direction of the rotating plate is formed in the top face of the rotating plate, and an opening groove communicating with the interior of the annular sleeve is formed in the inner ring of the annular sleeve. When the transformer is installed, the bolt fixes the structure and clamps and connects the bottom plate, the iron core winding is adhered to the bottom plate, after threading, the wrapping post winds a wire, the rotating plate rotates to realize wiring in different directions, and the aluminum alloy material provides electromagnetic shielding and protects the transformer and surrounding equipment.

Description

TECHNICAL FIELD

[0001] The utility model relates to transformer technical field especially relates to a full isolation annular transformer. BACKGROUND

[0002] Full isolation annular transformer is a special type of transformer, it has wide application in power and electronic system. This kind of transformer utilizes annular core and copper wire winding wound on it to convert voltage, and provides high electrical isolation between primary and secondary winding. Full isolation design means that there is no electrical connection between each winding of the transformer, thereby providing superior insulation performance and safety, full isolation annular transformer is a special type of transformer, it has wide application in power and electronic system. This kind of transformer utilizes annular core and copper wire winding wound on it to convert voltage, and provides high electrical isolation between primary and secondary winding. Full isolation design means that there is no electrical connection between each winding of the transformer, thereby providing superior insulation performance and safety, the core of full isolation annular transformer is usually made of high-quality cold-rolled silicon steel sheet, these silicon steel sheets are seamlessly rolled, which provides better performance than traditional laminated core.

[0003] At present, the annular transformer is mainly composed of annular core and coil winding wound on the outer circle of the annular core in conventional use. The structure of the two is exposed to the external environment, and the structure will be affected by the electricity of other circuits. If other structures are electrified to generate magnetism, it will hinder the normal work of the annular transformer, so isolation setting is needed.

[0004] Therefore, a full isolation annular transformer is proposed to solve or alleviate the above problems. UTILITY MODEL CONTENT

[0005] The utility model aims at solving the shortcomings in the prior art and provides a full isolation annular transformer.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] A full isolation annular transformer, comprising a connecting bottom plate, a ring sleeve detachably connected to the connecting bottom plate and in the shape of a ring cylinder, a ring plate integrally formed on the top surface of the ring sleeve, a core winding fixedly connected to the connecting bottom plate and located in the ring sleeve, a rotating plate rotatably connected to the inner circle of the ring sleeve, and a winding column fixedly connected to the bottom surface of the rotating plate coaxially.

[0008] Preferably, the cross section of the connecting bottom plate is in the shape of a disc, a connecting hole coaxially arranged and penetratingly arranged is formed on the top surface of the connecting bottom plate, and the connecting hole is penetrable by a bolt.

[0009] Preferably, the top surface of the connecting bottom plate is provided with an annular groove in a ring shape, and the bottom surface of the annular sleeve is fixedly connected with an annular fillet which is embeddedly connected with the annular groove.

[0010] Preferably, the inner ring of the annular sleeve is fixedly connected with a connecting bearing, and the rotating plate is fixedly connected with the inner ring of the connecting bearing to realize the rotating arrangement of the rotating plate relative to the annular sleeve.

[0011] Preferably, the outer ring of the winding column is provided with a winding groove.

[0012] Preferably, the number of the wire outlet holes is two, and the two wire outlet holes are located at the outer ring of the top surface of the rotating plate.

[0013] Preferably, the annular sleeve, the ring plate, the annular fillet and the connecting bottom plate are made of aluminum alloy material.

[0014] The utility model has the following beneficial effects:

[0015] When installing the utility model, firstly, the bolt is passed through the connecting hole and fixed to the installation structure, then the screw head is tightly connected with the connecting bottom plate, the iron core winding is pasted on the connecting bottom plate, the installer needs to lead the wire through the bottom opening of the annular sleeve and lead out from the inner ring opening groove, and the wire is wound on the winding column along the winding groove until the wire is passed out from the wire outlet hole, the annular fillet is embedded in the annular groove, the detachable connection of the annular sleeve and the bottom plate is realized, the electromagnetic shielding is realized through the connecting bottom plate, the annular sleeve and the ring plate made of aluminum alloy material, and the internal and external electromagnetic interference is prevented. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the utility model, and should not be regarded as the limitation to the scope, and for the ordinary skilled in the art, other related drawings can also be obtained without the creative labor on the premise of the drawings.

[0017] Figure 1 It is the structural schematic view of the utility model;

[0018] Figure 2 It is the sectional view of the utility model;

[0019] Figure 3 It is Figure 2 The enlarged view of A in the middle.

[0020] 1, connecting bottom plate; 2, annular sleeve; 3, ring plate; 4, connecting bearing; 5, rotating plate; 6, wire outlet hole; 7, connecting hole; 8, iron core winding; 9, winding column; 10, winding groove; 11, annular groove; 12, annular inlay. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0022] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.

[0023] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0024] In the description of the present application, it should be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly understood by those skilled in the art, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0025] In addition, the terms "first", "second", "third" and the like are only used to distinguish description, and cannot be understood as indicating or implying relative importance.

[0026] In the description of the utility model, still need explaining, unless another explicit provision and limitation, term " set ", " install ", " link ", " connect " should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be direct connection, also can be indirectly connected through intermediate medium, can be two elements inside the intercommunication. For ordinary skilled in the art, can understand the concrete meaning of the above-mentioned terms in the utility model according to specific circumstances.

[0027] A kind of full isolation annular transformer, as shown in Figures 1 to 3 The bottom plate 1, the annular sleeve 2 of detachable connection on the bottom plate 1 and ring barrel, the ring plate 3 of integrally formed in the top surface of the annular sleeve 2, the core winding 8 of fixed connection on the bottom plate 1 and located in the annular sleeve 2, the rotating plate 5 of rotating connection in the inner circle of the annular sleeve 2, the winding column 9 of coaxial fixed connection with the bottom surface of the rotating plate 5, the outer circle of the winding column 9 is provided with winding slot 10, the inner circle of the annular sleeve 2 is fixedly connected with connecting bearing 4, the rotating plate 5 is fixedly connected in the inner circle of connecting bearing 4 to realize the rotating setting of the rotating plate 5 relative to the annular sleeve 2, the top surface of the rotating plate 5 is provided with wire outlet hole 6 along its thickness direction, the number of wire outlet hole 6 is two, and two wire outlet holes 6 are located in the outer circle of the top surface of the rotating plate 5, the inner circle of the annular sleeve 2 is provided with opening slot communicated with its inside.

[0028] The cross section of the bottom plate 1 is disc-shaped, the top surface of the bottom plate 1 is provided with connecting hole 7 coaxially arranged and through, the connecting hole 7 can be penetrated by bolt, the top surface of the bottom plate 1 is provided with annular groove 11 in ring shape, the bottom surface of the annular sleeve 2 is fixedly connected with annular inlay strip 12 embeddedly connected with annular groove 11, the annular sleeve 2, the ring plate 3, the annular inlay strip 12 and the bottom plate 1 all adopt aluminum alloy material.

[0029] The utility model discloses a bolt is threaded connection hole 7, and then the screw rod of bolt is fixed on the structure of required installation, and the screw head of bolt is clamped in the structure of required installation on the connecting bottom plate 1, and then the iron core winding 8 is bonded on the connecting bottom plate 1, and then the connecting wire needs to be passed through the bottom surface opening of annular sleeve 2 by the installation personnel, and the connecting wire is separated from the opening slot of the inner ring of annular sleeve 2, and the connecting wire is wound on the winding column 9 through the guidance of winding groove 10, and finally the connecting wire is separated from the outgoing hole 6, and then the annular fillet 12 is inserted into the annular groove 11, and the detachable connection of annular sleeve 2 and connecting bottom plate 1 is completed, and then clockwise rotating the rotating plate 5, so that the rotating plate 5 carries the winding column 9 and further winds the connecting wire between winding column 9 and iron core winding 8 on winding column 9, and if the connecting wire on the whole isolation annular transformer needs to be connected from different directions, the rotating plate 5 can rotate relative to annular sleeve 2 through connecting bearing 4, and the connecting wire can be payed out, so that the whole isolation annular transformer has sufficient connecting wire to carry out the connection action, and simultaneously, the whole isolation annular transformer can carry out electromagnetic shielding through the connecting bottom plate 1, annular sleeve 2 and ring plate 3 of aluminum alloy material, avoids the influence of the electromagnetic field of other structures on the whole isolation annular transformer, and similarly avoids the negative influence of the electromagnetic field on other structures.

[0030] The above only is the preferred embodiment of the utility model, and does not limit the utility model, and the utility model can have various changes and changes for the person skilled in the art. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A fully isolated toroidal transformer, characterized in that, It includes a connecting base plate (1), an annular sleeve (2) detachably connected to the connecting base plate (1) and in the shape of an annular cylinder, an annular plate (3) integrally formed on the top surface of the annular sleeve (2), an iron core winding (8) fixedly connected to the connecting base plate (1) and located inside the annular sleeve (2), a rotating plate (5) rotatably connected to the inner ring of the annular sleeve (2), and a winding post (9) coaxially fixedly connected to the bottom surface of the rotating plate (5). The top surface of the rotating plate (5) is provided with a wire outlet hole (6) that penetrates along its thickness direction, and the inner ring of the annular sleeve (2) is provided with an opening groove communicating with its interior.

2. The fully isolated toroidal transformer according to claim 1, characterized in that, The connecting base plate (1) has a disc-shaped cross section. A connecting hole (7) is provided on the top surface of the connecting base plate (1) and is coaxially and through it. The connecting hole (7) allows bolts to pass through.

3. A fully isolated toroidal transformer according to claim 2, characterized in that, The top surface of the connecting base plate (1) is provided with an annular groove (11), and the bottom surface of the annular sleeve (2) is fixedly connected with an annular insert (12) that fits into the annular groove (11).

4. A fully isolated toroidal transformer according to claim 1, characterized in that, The inner ring of the annular sleeve (2) is fixedly connected to a connecting bearing (4), and the rotating plate (5) is fixedly connected to the inner ring of the connecting bearing (4) to realize the rotation setting of the rotating plate (5) relative to the annular sleeve (2).

5. A fully isolated toroidal transformer according to claim 4, characterized in that, The outer ring of the winding post (9) is provided with a winding groove (10).

6. A fully isolated toroidal transformer according to claim 1, characterized in that, The number of the cable outlet holes (6) is two, and the two cable outlet holes (6) are located on the outer ring of the top surface of the rotating plate (5).

7. A fully isolated toroidal transformer according to claim 3, characterized in that, The annular sleeve (2), annular plate (3), annular insert (12), and connecting base plate (1) are all made of aluminum alloy.

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