CN209912698U - Transformer, low-frequency electrical stimulation output circuit and physical rehabilitation equipment - Google Patents
Transformer, low-frequency electrical stimulation output circuit and physical rehabilitation equipment Download PDFInfo
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- CN209912698U CN209912698U CN201920554252.7U CN201920554252U CN209912698U CN 209912698 U CN209912698 U CN 209912698U CN 201920554252 U CN201920554252 U CN 201920554252U CN 209912698 U CN209912698 U CN 209912698U
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Abstract
The utility model provides a transformer, low frequency electro photoluminescence output circuit and physical rehabilitation equipment, the requirement of stepping up for microcircuit provides brand-new solution. The transformer includes: the magnetic ring comprises a first connecting terminal, a primary winding group, a magnetic ring, a secondary winding group and a second connecting terminal; the primary winding group is wound on the magnetic ring, the secondary winding group is wound on the primary winding group, and an insulating layer is arranged between the primary winding group and the secondary winding group; the outgoing line of the primary winding group is connected with the first wiring terminal through a first conductive wire; and the outgoing line of the secondary winding group is connected with the second wiring terminal through a second conductive wire. The utility model discloses a transformer has solved effectively that traditional transformer operating frequency is high in the same work of stepping up, and power loss is big during low frequency output, and the volume is difficult to reduce the scheduling problem.
Description
Technical Field
The utility model relates to the field of medical equipment, especially, relate to a transformer, low frequency electro photoluminescence output circuit and physical rehabilitation equipment.
Background
In recent years, with the remarkable improvement of the medical level in China, the development of the medical instrument industry in China is quite rapid, and medical instrument manufacturers and related practitioners put forward strict requirements on the quality and service of medical instrument components. Currently, medical device manufacturers mostly use conventional E-transformers if a boost output is required in the medical device circuitry. However, the core operating frequency of the E-type transformer is above 100KHz, which causes a large loss of output power for a low frequency therapeutic apparatus with an output of 1 KHz. And the turn ratio of the E-type transformer is difficult to meet the requirement of target high voltage, and if high-power high-voltage output is required, the volume of the E-type transformer is greatly increased, which is not beneficial to the miniaturization design of products.
In view of this, the present invention is proposed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a transformer, low frequency electricity stimulating output circuit and physics rehabilitation device for it is high to solve traditional E type transformer operating frequency, and power loss is big during low frequency output, and the volume is difficult to reduce the scheduling problem.
In order to achieve the above object, according to an aspect of the present invention, there is provided a transformer, and the following technical solutions are adopted:
a transformer includes: the magnetic ring comprises a first connecting terminal, a primary winding group, a magnetic ring, a secondary winding group and a second connecting terminal; the primary winding group is wound on the magnetic ring, the secondary winding group is wound on the primary winding group, and an insulating layer is arranged between the primary winding group and the secondary winding group; the outgoing line of the primary winding group is connected with the first wiring terminal through a first conductive wire; and the outgoing line of the secondary winding group is connected with the second wiring terminal through a second conductive wire.
Further, the primary winding group is formed by uniformly winding 30 turns of 0.2mm enameled wires; the secondary winding group is formed by uniformly winding 1000 turns of 0.2mm enameled wires. The primary winding group and the secondary winding group are led out in the same direction.
Furthermore, an outgoing line of the primary winding group is connected with the first conducting wire in a welding mode; and the outgoing line of the primary winding group is connected with the second conducting wire in a welding mode.
Furthermore, the magnetic ring is an iron-based nano amorphous magnetic ring.
Further, the first conductive wire is a white DuPont wire with the length of 4cm, and the first conductive wire is a yellow DuPont wire with the length of 4 cm.
Furthermore, the first connecting terminal and the second connecting terminal are XH2.54-2Pin terminals.
Further, the transformer further comprises a protective shell, and an insulating layer is arranged between the protective shell and the secondary winding set.
Further, the dimensions of the protective housing are 19mm × 14mm × 8 mm.
According to the utility model discloses a second aspect provides a low frequency electricity stimulating output circuit to adopt following technical scheme: a low-frequency electrical stimulation output circuit comprises the transformer.
According to the utility model discloses a third aspect provides a recovered equipment of physics to adopt following technical scheme: a physical rehabilitation device comprises the low-frequency electrical stimulation output circuit.
The utility model discloses an use transformer at physics rehabilitation device through the high-pressure turn ratio of elementary winding group and secondary winding group, has realized that voltage is by 5V to 150V and above conversion, reaches the demand of medical equipment circuit boost output, and it is high to have solved traditional transformer operating frequency simultaneously, and power loss is big during the low frequency output, and the volume is difficult to reduce the scheduling problem.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a schematic structural diagram of a transformer according to an embodiment of the present invention;
fig. 2 is a side connection diagram of the primary winding set according to the embodiment of the present invention;
fig. 3 is a side connection diagram of a secondary winding group according to an embodiment of the present invention.
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 of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the scope of the present invention.
Fig. 1 is a schematic structural diagram of a transformer according to an embodiment of the present invention.
Referring to fig. 1, a transformer includes: the magnetic ring comprises a first wiring terminal 10, a primary winding group 20, a magnetic ring 30, a secondary winding group 40 and a second wiring terminal 50; the primary winding set 20 is wound on the magnetic ring 30, the secondary winding set 40 is wound on the primary winding set 40, and an insulating layer is arranged between the primary winding set 20 and the secondary winding set 40; the outgoing line of the primary winding group 20 is connected with the first connecting terminal 10 through a first conductive wire 15; the outgoing line of the secondary winding group 40 is connected to the second connection terminal 50 through a second conductive line 45.
According to the technical scheme, the insulating performance of the whole transformer needs to be ensured, and eddy current and hysteresis loss in iron are reduced. The transformer guarantees the insulating property from the material of the part and the connection mode, the primary winding group 20 is formed by uniformly winding 0.2mm enameled wires with the insulating characteristic, and the insulating isolation between the primary winding group and the magnetic ring 30 is guaranteed; an insulating layer is provided between the primary winding set 20 and the secondary winding set 40 to ensure insulation between the low voltage winding set and the high voltage winding set. In order to reduce eddy current and hysteresis loss in iron, the magnetic ring 30 is an iron-based nano amorphous magnetic ring, and reaches magnetic permeability of 80000-. The first connecting terminal and the second connecting terminal adopt XH2.54-2Pin terminals to flexibly control the connection and disconnection between the transformer and the circuit where the transformer is located, so that sufficient current can be passed while reliable contact is ensured.
In this embodiment, through the above technical solution, a transformer is provided, and is applied to a low-frequency electrical stimulation output circuit, so as to realize conversion from low-voltage input of the primary winding set 20 to high-voltage output of the secondary winding set 40, and achieve the purpose of boosting output for the whole low-frequency electrical stimulation output circuit.
Fig. 2 is a side connection diagram of the primary winding set according to the embodiment of the present invention.
As shown in fig. 2, the primary winding group 20 is formed by uniformly winding 0.2mm enameled wires for 30 turns, an outgoing line of the primary winding group 20 is connected with the first conductive wire 15 in a welding manner, the first conductive wire is a white dupont wire with a length of 4cm, and the first connection terminal is an XH2.54-2Pin terminal.
Fig. 3 is a side connection diagram of a secondary winding group according to an embodiment of the present invention.
As shown in fig. 3, the secondary winding group 40 is formed by uniformly winding 1000 turns of 0.2mm enameled wire, the outgoing line of the secondary winding group 40 is connected with the second conductive wire 45 in a welding manner, the second conductive wire is a yellow dupont wire with a length of 10cm, and the second connection terminal is an XH2.54-2Pin terminal.
More specifically, the 0.2mm enameled wire not only has an insulation effect, but also can greatly reduce the size of the transformer, and is suitable for the design idea of miniaturization. The welding mode of wire winding group and dupont line can guarantee more high-efficient, safer. The DuPont wire is adopted instead of a common conductive wire, so that the input and the output of the circuit are easy to distinguish, and the circuit has good conductivity.
According to the technical scheme, the winding mode of the transformer is provided, the turn ratio of the primary winding set to the secondary winding set is 30:1000, when a circuit designed by the transformer is electrified, the primary inductance can be detected to be 17.3 +/-0.5 mu H, and the resistance of the primary winding is 0.145 +/-0.05 omega; the secondary inductance is 19.13 +/-0.5 mH, and the resistance of the secondary winding is 143 +/-5 omega. If the voltage requirement is higher, only the turn ratio of the primary winding group and the secondary winding group needs to be modified.
As an optimized embodiment, the transformer further comprises a protective casing, and an insulating layer is arranged between the protective casing and the secondary winding group. The dimensions of the protective housing are 19mm x 14mm x 8 mm. The outer diameter of the transformer designed according to the embodiment is smaller than 25mm, the inner diameter is larger than 7mm, and the thickness is smaller than 14mm, so that the size of the transformer is reduced to half of the original size in a real sense.
A second aspect of the present invention provides a low frequency electrical stimulation output circuit including the transformer described above.
The third aspect of the utility model provides a physical rehabilitation device, including foretell low frequency electro photoluminescence output circuit.
To sum up, the utility model discloses a transformer obtains the high-pressure turn ratio of 30:1000 through the design to primary winding group and secondary winding group, has realized giving medical equipment circuit boost output, has effectively solved simultaneously that traditional transformer operating frequency is high, and power loss is big during low frequency output, and the volume is difficult to reduce scheduling problem.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (10)
1. A transformer, comprising: the magnetic ring comprises a first connecting terminal, a primary winding group, a magnetic ring, a secondary winding group and a second connecting terminal;
the primary winding group is wound on the magnetic ring, the secondary winding group is wound on the primary winding group, and an insulating layer is arranged between the primary winding group and the secondary winding group;
the outgoing line of the primary winding group is connected with the first wiring terminal through a first conductive wire;
and the outgoing line of the secondary winding group is connected with the second wiring terminal through a second conductive wire.
2. The transformer according to claim 1, wherein the primary winding group is formed by uniformly winding a 0.2mm enamel wire for 30 turns; the secondary winding group is formed by uniformly winding 1000 turns of 0.2mm enameled wires, and the primary winding group and the secondary winding group are led out in the same direction.
3. The transformer of claim 1, wherein the outgoing line of the primary winding group is connected with the first conductive line by welding; and the outgoing line of the primary winding group is connected with the second conducting wire in a welding mode.
4. The transformer of claim 1, wherein the magnetic ring is a nano-iron based amorphous magnetic ring.
5. The transformer of claim 1, wherein the first conductive wire is a 4cm white DuPont wire, and wherein the first conductive wire is a 4cm yellow DuPont wire.
6. The transformer of claim 1, wherein the first connection terminal and the second connection terminal are XH2.54-2Pin terminals.
7. The transformer of claim 1, further comprising a protective outer case with an insulating layer disposed between the protective outer case and the secondary winding set.
8. The transformer of claim 7, wherein the dimensions of the protective enclosure are 19mm by 14mm by 8 mm.
9. A low frequency electrical stimulation output circuit comprising the transformer of any one of claims 1 to 8.
10. A physical rehabilitation apparatus characterized by comprising the low-frequency electrical stimulation output circuit of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920554252.7U CN209912698U (en) | 2019-04-23 | 2019-04-23 | Transformer, low-frequency electrical stimulation output circuit and physical rehabilitation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920554252.7U CN209912698U (en) | 2019-04-23 | 2019-04-23 | Transformer, low-frequency electrical stimulation output circuit and physical rehabilitation equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209912698U true CN209912698U (en) | 2020-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920554252.7U Active CN209912698U (en) | 2019-04-23 | 2019-04-23 | Transformer, low-frequency electrical stimulation output circuit and physical rehabilitation equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209912698U (en) |
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2019
- 2019-04-23 CN CN201920554252.7U patent/CN209912698U/en active Active
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Denomination of utility model: The utility model relates to a transformer, a low-frequency electric stimulation output circuit and a physical rehabilitation equipment Effective date of registration: 20210720 Granted publication date: 20200107 Pledgee: Beijing finance Company limited by guarantee Pledgor: Beijing Tongwei Technology Co.,Ltd. Registration number: Y2021990000636 |