CN208819730U - A kind of adjustable transformer - Google Patents

Abstract

The utility model discloses a kind of adjustable transformers, including transformer framework, fixing seat is provided at left and right sides of the transformer framework and positioned at close marginal position up and down, the transformer framework is internally provided with iron core, one section of the iron core top and be located at outer surface position be provided with low pressure winding, the low pressure winding upper position is provided with low pressure wiring, one section of the mandrel lower and be located at outer surface position be provided with high-voltage winding, the high-voltage winding lower position is provided with high-voltage connection, insulating tape is provided with inside the transformer framework and positioned at low pressure winding and high-voltage winding external position, the transformer framework outer surface of upper is provided with winding displacement plate, the winding displacement plate medium position is provided with adjusting knob, novel adjustable transformer device structure is simple, it is easy to operate, it solves traditional transformer and is merely able to output list A fixed voltage, and the more expensive problem of the more complicated cost of setting structure.

Description

A kind of adjustable transformer

Technical field

The utility model relates to technical field of electronic components, specially a kind of adjustable transformer.

Background technique

In electrical equipment and radio-circuit, transformer is commonly used for buck/boost, matching impedance, security isolation etc..It is sending out In motor, either coil movement by magnetic field or Movement in Magnetic Field by fixed coil, can in coil induced potential, this two Kind situation, the value of magnetic flux is constant, but has variation with the magnetic flux quantity of coil intersecting chain, this is the principle of mutual induction.Transformation Device is exactly a kind of using mutual electromagnetic inductance, voltage of transformation, the device of electric current and impedance.Transformer is the principle using electromagnetic induction Change the device of alternating voltage, main member is primary coil, secondary coil and iron core (magnetic core).Major function has: voltage Transformation, current transformation, impedance transformation, isolation, pressure stabilizing (magnetic saturation transformer) etc..Can be divided into, according to use: power transformer and Special transformer (electric furnace become, rectification change, power frequency testing transformer, pressure regulator, mining change, audio-frequency transformer, intermediate-frequency transformer, High frequency transformer, impact transformer, instrument transformer, electronic transformer, reactor, mutual inductor etc.).Transformer is transformation exchange Voltage, alternating current and the device of impedance, the large work in Shanghai --- transformer is when being connected with alternating current in primary coil, iron core Exchange flux is just generated in (or magnetic core), makes to induce voltage (or electric current) in secondary coil.Transformer body includes iron core, height Crimping circle and low-voltage coil, and transformer body be it is uncontrollable, the design solve traditional transformer can not change output electricity The problem of pressing size, being merely able to output fixed numbers voltage.

Utility model content

In view of the deficiencies of the prior art, the utility model provides a kind of adjustable transformer, solves existing biography System transformer is merely able to export single value voltage, structure also more complicated problem.

In order to achieve the above object, the utility model is achieved by the following technical programs: a kind of adjustable transformer, Including transformer framework, it is provided with fixing seat at left and right sides of the transformer framework and positioned at close marginal position up and down, it is described Transformer framework is internally provided with iron core, one section of the iron core top and is located at outer surface position and is provided with low pressure winding, described Low pressure winding upper position is provided with low pressure wiring, one section of the mandrel lower and is located at outer surface position and is provided with high voltage winding Group, the high-voltage winding lower position are provided with high-voltage connection, inside the transformer framework and are located at low pressure winding and high pressure Winding external position is provided with insulating tape, and the transformer framework outer surface of upper is provided with winding displacement plate, in the winding displacement plate Position, which installs, is equipped with adjusting knob, and the adjusting knob lower position is fixedly connected with roller, and the roller medium position opens up There is the first groove, first inside grooves position is provided with spring, and the spring is fixedly connected with activity far from roller one end Column, the roller external position are provided with fixed cylinder, the fixed cylinder be located at the first groove location be provided with it is matched Second groove, second inside grooves are provided with binding post.

Preferably, the high-voltage connection terminals are external need to adjust high pressure.

Preferably, the low pressure winding and low pressure wiring are respectively set to three groups, and the low pressure wiring is close to left side line end It is connected with each other.

Preferably, the portable pillar and binding post are respectively set to six groups, and the portable pillar is logical about symmetrical one group of roller Conducting wire electric connection is crossed, the binding post passes through conducting wire and low pressure wiring and electrical equipment electricity about symmetrical one group of fixed cylinder respectively Property connection.

Preferably, cooling fin is provided with outside the transformer framework.

Preferably, the insulating tape main material is polytetrafluoroethylene (PTFE).

Beneficial effect

The utility model provides a kind of adjustable transformer.Have it is following the utility model has the advantages that

(1), adjustable transformer passes through one section of iron core top and outer surface position is provided with low pressure winding, Low pressure winding upper position is provided with low pressure wiring, one section of the mandrel lower and is located at outer surface position and is provided with high voltage winding Group, low pressure winding and low pressure wiring are respectively set to three groups, and the low pressure wiring is connected with each other close to left side line end, and having reached can To obtain the purpose of multiple and different output voltages simultaneously, solve the problems, such as that traditional transformer is merely able to export single fixed voltage.

(2), adjustable transformer is provided with winding displacement plate, winding displacement plate middle part by transformer framework outer surface of upper Position is provided with adjusting knob, and adjusting knob lower position is fixedly connected with roller roller medium position and offers the first groove, Roller one end is fixedly connected with portable pillar, and roller external position is provided with fixed cylinder, and fixed cylinder is located at the setting of the first groove location There is matched second groove, the second inside grooves are provided with binding post, and portable pillar and binding post are respectively set to six groups, Reach that can to manually adjust to obtain different voltage structures fairly simple, has solved that conventional transformer structure is more complicated to ask Topic.

Detailed description of the invention

Fig. 1 is the utility model section view；

Fig. 2 is the utility model regulating device figure；

Fig. 3 the utility model regulating device overhead sectional view；

Fig. 4 the utility model perspective view.

In figure: 1 transformer framework, 2 fixing seats, 3 iron cores, 4 low pressure windings, 5 low pressure wiring, 6 high-voltage windings, 7 high-voltage connectings Line, 8 insulating tapes, 9 winding displacement plates, 10 adjusting knobs, 11 rollers, 12 first grooves, 13 springs, 14 portable pillars, 15 fixed cylinders, 16 Second groove, 17 binding posts, 18 cooling fins.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of adjustable transformer, including transformer Skeleton 1, the left and right sides of transformer framework 1 and is located at marginal position is provided with fixing seat 2 up and down, inside transformer framework 1 It is arranged cored 3, one section of 3 top of iron core and is located at outer surface position and is provided with low pressure winding 4,4 upper bit of low pressure winding installs It is equipped with low pressure wiring 5, one section of 3 lower part of iron core and is located at outer surface position and is provided with high-voltage winding 6,6 lower position of high-voltage winding It is provided with high-voltage connection 7,1 inside of transformer framework and is located at low pressure winding 4 and 6 external position of high-voltage winding is provided with insulating cement Band 8,1 outer surface of upper of transformer framework are provided with winding displacement plate 9, and 9 medium position of winding displacement plate is provided with adjusting knob 10, adjust 10 lower position of knob is fixedly connected with roller 11, and 11 medium position of roller offers the first groove 12, inside the first groove 12 Position is provided with spring 13, and spring 13 is fixedly connected with portable pillar 14 far from 11 one end of roller, and 11 external position of roller is provided with Fixed cylinder 15, fixed cylinder 15 is located at 12 position of the first groove and is provided with matched second groove 16, in the second groove 16 Portion is provided with binding post 17, and 7 terminals of high-voltage connection are external need to adjust high pressure: low pressure winding 4 and low pressure wiring 5 are respectively set It is three groups, low pressure wiring 5 is connected with each other close to left side line end, and portable pillar 14 and binding post 17 are respectively set to six groups, portable pillar 14 are electrically connected about 11 symmetrical one groups of roller by conducting wire, and binding post 17 passes through respectively about 15 symmetrical one groups of fixed cylinder leads Line and low pressure wiring 5 and electrical equipment are electrically connected, and are provided with cooling fin 18, the main material of insulating tape 8 outside transformer framework 1 Material is polytetrafluoroethylene (PTFE).Traditional transformer is solved to be merely able to export single fixed voltage, and the more complicated cost ratio of setting structure Costly problem.

When work, high-voltage terminal 7 connects High Level AC Voltage, and high-voltage electricity generates magnetic field, the magnetic of variation by high-voltage winding 6 Field passes through low pressure winding 4, and low pressure winding 4 obtains desired voltage, when needing to adjust the size of voltage, rotates adjusting knob 10, Adjusting knob 10 matches different binding posts 17, solves traditional transformer and is merely able to export single fixed voltage, and setting structure The more complicated more expensive problem of cost.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.In the absence of more restrictions.By sentence " element limited including one ..., it is not excluded that There is also other identical elements in the process, method, article or apparatus that includes the element ".

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of adjustable transformer, including transformer framework (1), it is characterised in that: transformer framework (1) left and right two Side and being located at is provided with fixing seat (2) close to marginal position up and down, and the transformer framework (1) is internally provided with iron core (3), institute It states one section of iron core (3) top and is located at outer surface position and be provided with low pressure winding (4), low pressure winding (4) upper bit installs Be equipped with low pressure wiring (5), one section of iron core (3) lower part and be located at outer surface position be provided with high-voltage winding (6), the high pressure Winding (6) lower position is provided with high-voltage connection (7), and the transformer framework (1) is internal and is located at low pressure winding (4) and high pressure Winding (6) external position is provided with insulating tape (8), and transformer framework (1) outer surface of upper is provided with winding displacement plate (9), Winding displacement plate (9) medium position is provided with adjusting knob (10), and adjusting knob (10) lower position is fixedly connected with rolling Column (11), roller (11) medium position offer the first groove (12), and the first groove (12) interior location is provided with Spring (13), the spring (13) are fixedly connected with portable pillar (14) far from roller (11) one end, the outer position of the roller (11) It installs and is equipped with fixed cylinder (15), the fixed cylinder (15) is located at the first groove (12) position, and to be provided with matched second recessed Slot (16), second groove (16) are internally provided with binding post (17).

2. a kind of adjustable transformer according to claim 1, it is characterised in that: high-voltage connection (7) terminals It is external to adjust high pressure.

3. a kind of adjustable transformer according to claim 1, it is characterised in that: the low pressure winding (4) and low pressure Wiring (5) is respectively set to three groups, and the low pressure wiring (5) is connected with each other close to left side line end.

4. a kind of adjustable transformer according to claim 1, it is characterised in that: the portable pillar (14) and binding post (17) six groups are respectively set to, the portable pillar (14) is electrically connected about symmetrical one group of roller (11) by conducting wire, described to connect Terminal (17) passes through conducting wire and low pressure wiring (5) respectively about symmetrical one group of fixed cylinder (15) and electrical equipment is electrically connected.

5. a kind of adjustable transformer according to claim 1, it is characterised in that: the transformer framework (1) is external It is provided with cooling fin (18).

6. a kind of adjustable transformer according to claim 1, it is characterised in that: the main material of the insulating tape (8) Material is polytetrafluoroethylene (PTFE).