CN206340418U - A kind of toroidal transformer and pump motor - Google Patents

Abstract

The utility model, which is applicable, to be related to field transformer there is provided a kind of toroidal transformer and pump motor.Toroidal transformer, including toroidal core and for housing the housing of the toroidal core, at least one layer of armature winding and at least one layer of secondary windings are wound with the toroidal core, at least provided with insulating paper between the armature winding and the secondary windings, insulation composite is equipped with the toroidal core surface.Pump motor, including toroidal transformer described above.Toroidal transformer provided by the utility model can reduce the influence of the stress suffered by toroidal core, and be arranged on the insulating paper between armature winding and secondary windings and have insulation and heat dispersion concurrently, the electrical property of toroidal transformer is improved, so as to which high efficiency, high-power pump motor is made.

Description

A kind of toroidal transformer and pump motor

Technical field

The utility model is related to field transformer, more particularly to a kind of toroidal transformer and pump motor.

Background technology

Toroidal transformer accounts for very big proportion in all transformer species, is widely used to home appliance and other technologies It is required that in higher electronic equipment, it is mainly used for as power transformer and isolating transformer.At present, the institute in water pump The toroidal transformer used, is usually in magnet ring surface simply one layer of insulating paint of spraying, then in its surface copper wire winding The corresponding number of turns is formed.In actual use, the electronic structure arrangement of magnet ring is unstable inside such toroidal transformer, so that Its corresponding electrical property is also influenceed.

Utility model content

The utility model purpose is to provide a kind of toroidal transformer and pump motor, it is intended to solved present in prior art Toroidal transformer poor electrical performance the problem of.

The utility model provides a kind of toroidal transformer, including toroidal core and the shell for housing the toroidal core Be wound with least one layer of armature winding and at least one layer of secondary windings on body, the toroidal core, the armature winding with it is described At least provided with insulating paper between secondary windings, insulation composite is equipped with the toroidal core surface.

Specifically, the insulation composite includes the first insulating lacquer layer, adhesive tape layer and the first cellophane layer, and described first is exhausted Edge enamelled coating is close to the toroidal core.

Specifically, first cellophane layer is close to the armature winding.

Specifically, the second insulating lacquer layer and the second cellophane layer, second insulated paint are provided between the armature winding Layer is used to the armature winding is positioned and insulated.

Specifically, the 3rd insulating lacquer layer and the 3rd cellophane layer, the 3rd insulated paint are provided between the secondary windings Layer is used to the secondary windings is positioned and insulated.

Specifically, embedding has sealing waterproof layer between the housing and the toroidal core.

Specifically, the housing includes side plate, base plate and backboard, and the side plate and base plate are connected with each other, and encloses and be located at One surface of the backboard, the side plate, base plate and backboard formation one house the cavity of the toroidal core.

Specifically, the base plate is provided with the external pin electrically connected with the armature winding and the secondary windings.

Specifically, also including a support, the support is fixedly connected with the housing, is arranged at the side of the housing.

Toroidal transformer provided by the utility model, ring can be reduced by being arranged on the insulation composite on toroidal core surface The influence of stress suffered by shape magnetic core, and be arranged on the insulating paper between armature winding and secondary windings and have insulation concurrently and radiate Performance, so as to improve the electrical property of toroidal transformer.

For the attainment of one's purpose, the utility model additionally provides a kind of pump motor, including toroidal transformer described above.

Pump motor of the present utility model, using the toroidal transformer of good electrical property, can be made high efficiency, high-power Pump motor.

Brief description of the drawings

Fig. 1 is the front view of the toroidal transformer in the utility model preferred embodiment；

Fig. 2 is Fig. 1 right view；

Fig. 3 is Fig. 1 rearview；

Fig. 4 is Fig. 1 left view；

Fig. 5 is Fig. 1 top view；

Fig. 6 is Fig. 1 upward view；

Fig. 7 be embodiment illustrated in fig. 1 in, the sectional view of insulation composite；

Fig. 8 be embodiment illustrated in fig. 1 in, the sectional view between armature winding；

Fig. 9 be embodiment illustrated in fig. 1 in, the sectional view between secondary windings.

Embodiment

In order that the technical problems to be solved in the utility model, technical scheme and beneficial effect are more clearly understood, below With reference to drawings and Examples, the utility model is further elaborated.It should be appreciated that specific implementation described herein Example only to explain the utility model, is not used to limit the utility model.

Refer to Fig. 1 and Fig. 7, the toroidal transformer in the utility model preferred embodiment, including toroidal core 1 and be used for House and at least one layer of armature winding 3 and at least one layer of secondary windings 4 are wound with the housing 2 of toroidal core 1, toroidal core 1, just Between level winding 3 and secondary windings 4 insulation composite 8 is equipped with least provided with insulating paper 9, toroidal core 1 on surface.This implementation The toroidal transformer that example is provided, being arranged on the insulation composite 8 on the surface of toroidal core 1 can be reduced suffered by toroidal core 1 Stress influence, and the insulating paper 9 being arranged between armature winding 3 and secondary windings 4 have concurrently insulation and heat dispersion so that Improve the electrical property of toroidal transformer.

Especially, each layer armature winding 3 be serially connected, in parallel or series-parallel connection, as low-voltage/high-tension side line Circle；Each hierarchical level winding 4 is serially connected, after in parallel or series-parallel connection, or each exports respectively, independently-powered, as high voltage/low The second siding ring of voltage.

In the present embodiment, toroidal core 1 is using with high magnetic permeability, high saturation magnetic strength, the magnetic core material of broadband characteristic Material is made.Especially, toroidal core 1 is rolled for the silicon strip of high permeability and formed.In real work, such annular transformation Device can be in the case of magnetic bias caused by non-equilibrium current, and toroidal core 1 remains on high magnetic permeability unsaturation, and then can protect Demonstrate,prove the overall performance of toroidal transformer.

Further, as shown in fig. 7, insulation composite 8 includes the first insulating lacquer layer 81, the glassine paper of adhesive tape layer 82 and first Layer 83, the first insulating lacquer layer 81 is close to toroidal core 1.Relative to " on magnet ring surface, simply one layer of spraying is exhausted in the prior art The first insulating lacquer layer 81, adhesive tape layer are equipped with successively on edge paint ", the surface of toroidal core 1 of the toroidal transformer of the present embodiment 82nd, the first cellophane layer 83 or the first insulating lacquer layer 81, the first cellophane layer 83, adhesive tape layer 82 so that the annular of the present embodiment Transformer has more preferable electrical property, and stability is more preferable.

Further, the first cellophane layer 83 is close to armature winding 3.

Further, as shown in figure 8, being provided with the second insulating lacquer layer 31 and the second cellophane layer 32 between armature winding 3, the Two insulating lacquer layers 31 are used to armature winding 3 is positioned and insulated.Gap between each adjacent two armature winding 3 is provided with second The cellophane layer 32 of insulating lacquer layer 31 and second so that the space between each layer armature winding 3 be filled and constitute it is more stable just Level winding layers.

Further, as shown in figure 9, being provided with the 3rd insulating lacquer layer 41 and the 3rd cellophane layer 42 between secondary windings 4, the Three insulating lacquer layers 41 are used to secondary windings 4 is positioned and insulated.Gap between each adjacent two secondary windings 4 is provided with the 3rd The cellophane layer 42 of insulating lacquer layer 41 and the 3rd so that the space between each hierarchical level winding 4 is filled and constitutes more stable time Level winding layers.

In the present embodiment, the first cellophane layer 83, the second cellophane layer 32, the 3rd cellophane layer 42 can use high polymerization Thing PET (polyethylene terephthalate) layer is substituted, and PET has excellent electrical insulating property excellent within the scope of wider temperature It is good, or even under high-temperature high-frequency, its electrical property is still preferable, its creep resistance, fatigue durability, rub resistance, dimensional stability are all Very well.

Further, as shown in figure 1, between housing 2 and toroidal core 1 embedding have sealing waterproof layer 5.Seal waterproof layer 5 Waterproof embedding processing has been carried out to toroidal transformer, the scope of application of toroidal transformer has effectively been extended, in the present embodiment Toroidal transformer can out of doors, underground, supported the use with power supply under the particular surroundings such as the bottom.

Especially, sealing waterproof layer 5 is epoxy resin layer.

Further, as shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 6, housing 2 includes side plate 21, base plate 22 and backboard 23, Side plate 21 and base plate 22 are connected with each other, and are enclosed located at a surface of backboard 23, and side plate 21, base plate 22 and the formation of backboard 23 one are received Hold the cavity of toroidal core 1.

Especially, housing 2 is molded using pressure-resistant PC (Polycarbonate, makrolon), in the effect of general external force Under, the toroidal transformer of the present embodiment will not be deformed.

Further, as shown in Figures 1 to 4, base plate 22 is provided with electrically connected with armature winding 3 and secondary windings 4 outer Meet pin 22A.The connector that base plate 22 is connected as armature winding 3 and secondary windings 4 with external circuit, at the same be also it is primary around The terminal of group 3 and the signal output of secondary windings 4.

Especially, base plate 22 is one kind in pcb board, ceramics, bakelite.In the present embodiment, external pin 22A material For CP wire, such intensity for being designed to enhancing external pin 22A.

Further, as shown in Figures 1 to 6, toroidal transformer also includes a support 6, and support 6 is fixedly connected with housing 2, It is arranged at the side of housing 2.

In the present embodiment, as shown in Fig. 2, Fig. 4 to Fig. 6, the support 6 of toroidal transformer is provided with multiple screws 7, annular Transformer is fixed by screw 7 in the equipment that it is applied.Especially, support 6 uses aluminium, and it can make it that toroidal transformer exists Firmly installing, stably in other equipment.

Toroidal transformer in the present embodiment has preferable electrical property, and it can realize following technical indicator substantially：Electric current Big 5A, more than the Ω of high impedance value 600；- 40 DEG C -+125 DEG C of temperature characterisitic；40kHz-1GHz broadband；More than 95% Pile pieces coefficient.

Pump motor in the utility model preferred embodiment, including above-mentioned toroidal transformer.The water pump electricity of the present embodiment Machine, using the toroidal transformer of good electrical property, can be made high efficiency, high-power pump motor.

In the present embodiment, the center of toroidal transformer is provided with an installation screw rod, for connecting each of toroidal transformer Part.Such design make it that installation of the toroidal transformer on pump motor is highly efficient, flexible with dismantling.

The toroidal transformer of the present embodiment can be additionally used in the occasions such as computer, Medical Devices, telecommunication, instrument, lighting, As power transformer and isolating transformer etc..

Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model Any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model Protection domain within.

Claims (10)

1. a kind of toroidal transformer, it is characterised in that described including toroidal core and for housing the housing of the toroidal core At least one layer of armature winding and at least one layer of secondary windings, the armature winding and the secondary windings are wound with toroidal core Between at least provided with insulating paper, be equipped with insulation composite on the toroidal core surface.

2. toroidal transformer as claimed in claim 1, it is characterised in that the insulation composite include the first insulating lacquer layer, Adhesive tape layer and the first cellophane layer, first insulating lacquer layer are close to the toroidal core.

3. toroidal transformer as claimed in claim 2, it is characterised in that first cellophane layer be close to it is described it is primary around Group.

4. toroidal transformer as claimed in claim 1, it is characterised in that the second insulating lacquer layer is provided between the armature winding With the second cellophane layer, second insulating lacquer layer is used to the armature winding is positioned and insulated.

5. toroidal transformer as claimed in claim 1, it is characterised in that the 3rd insulating lacquer layer is provided between the secondary windings With the 3rd cellophane layer, the 3rd insulating lacquer layer is used to the secondary windings is positioned and insulated.

6. the toroidal transformer as described in any one of claim 1 to 5, it is characterised in that the housing and the toroidal core Between embedding have sealing waterproof layer.

7. the toroidal transformer as described in any one of claim 1 to 5, it is characterised in that the housing include side plate, base plate with And backboard, the side plate and base plate are connected with each other, and are enclosed located at a surface of the backboard, the side plate, base plate and backboard Form a cavity for housing the toroidal core.

8. toroidal transformer as claimed in claim 7, it is characterised in that the base plate is provided with and the armature winding and institute State the external pin of secondary windings electrical connection.

9. the toroidal transformer as described in any one of claim 1 to 5, it is characterised in that also including a support, the support with The housing is fixedly connected, and is arranged at the side of the housing.

10. a kind of pump motor, it is characterised in that including the toroidal transformer any one of claim 1 to 9.