CN217563538U - Variable voltage power supply device and device for development and test - Google Patents
Variable voltage power supply device and device for development and test Download PDFInfo
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- CN217563538U CN217563538U CN202123319701.6U CN202123319701U CN217563538U CN 217563538 U CN217563538 U CN 217563538U CN 202123319701 U CN202123319701 U CN 202123319701U CN 217563538 U CN217563538 U CN 217563538U
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Abstract
The application relates to a test tool, in particular to a voltage transformation power supply device and a device for development and test; the transformation power supply device comprises a step-down transformer, a step-up transformer, a current regulation module and a load interface to be tested, wherein the step-down transformer comprises a step-down primary coil and a step-down secondary coil, the step-up transformer comprises a step-up primary coil and a step-up secondary coil, and the load interface to be tested comprises a first load interface to be tested and a second load interface to be tested; the voltage reduction primary coil is electrically connected with the power supply, one end of the voltage reduction secondary coil is connected with the first to-be-detected load interface, and the other end of the voltage reduction secondary coil is electrically connected with the input end of the voltage boosting primary coil; the output end of the boosting primary coil is electrically connected with the second load interface to be tested, and the boosting secondary coil is electrically connected with the current regulating module; the application discloses vary voltage power supply unit can satisfy the demand of the load that awaits measuring to the heavy current through adopting step-down transformer, has avoided the consumption of high power, has reduced test cost.
Description
Technical Field
The application relates to a test tool, in particular to a voltage transformation power supply device and a device for development and test.
Background
In the development and test process of electronic products and equipment, a large current, such as 10 to 100A, is usually applied, and a special instrument is usually used for performing the large current test or directly connected with a market power supply. However, the special instruments are often expensive and scarce in quantity, which adds unnecessary cost budget to the development process; the scene of directly adopting market power supply can produce the consumption of high power for the load is serious to generate heat, causes still to need special design heat radiation structure, leads to the test cost to increase. Therefore, there is a need to provide an improved transformer power supply apparatus to solve the above problems.
Disclosure of Invention
In view of the above problems in the prior art, an object of the present application is to provide a voltage-transformation power supply device, which can meet the requirement of a load to be tested for a large current by using a step-down transformer, thereby avoiding high power consumption and reducing test cost; after the step-up transformer converts the large current into the small current, the current flowing into the load to be measured is adjusted by the current adjusting module, and therefore convenience and adjusting accuracy of adjusting the current of the load to be measured are improved.
In order to solve the above problems, the present application provides a voltage transformation power supply device, including a step-down transformer, a step-up transformer, a current regulation module, and a load interface to be tested, where the step-down transformer includes a step-down primary coil and a step-down secondary coil, the step-up transformer includes a step-up primary coil and a step-up secondary coil, and the load interface to be tested includes a first load interface to be tested and a second load interface to be tested;
the voltage reduction primary coil is electrically connected with a power supply, one end of the voltage reduction secondary coil is connected with the first to-be-detected load interface, and the other end of the voltage reduction secondary coil is electrically connected with the input end of the voltage boosting primary coil;
the output end of the boosting primary coil is electrically connected with a second load interface to be tested, and the boosting secondary coil is electrically connected with the current regulating module.
In some embodiments, the current regulation module comprises an adjustable resistance.
In some embodiments, a turn ratio of the buck primary coil to the buck secondary coil is equal to a turn ratio of the boost secondary coil to the boost primary coil.
In some embodiments, the load interface under test includes relay contacts.
On the other hand, the application also provides another implementation mode of the variable voltage power supply device, wherein the variable voltage power supply device comprises a step-down transformer, a voltage regulating module and a load interface to be tested, the input end of the voltage regulating module is electrically connected with the power supply, and the output end of the voltage regulating module is electrically connected with the input end of the step-down transformer;
and the output end of the step-down transformer is electrically connected with the load interface to be tested.
In some embodiments, the voltage regulation module comprises a voltage regulator.
In some embodiments, the transformation power supply device further includes a step-up transformer and a load interface to be tested, the step-up transformer includes a step-down primary coil and a step-down secondary coil, the step-up transformer includes a step-up primary coil and a step-up secondary coil, and the load interface to be tested includes a first load interface to be tested and a second load interface to be tested;
the voltage reduction primary coil is connected with the output end of the voltage regulation module, one end of the voltage reduction secondary coil is connected with the first to-be-tested load interface, and the other end of the voltage reduction secondary coil is electrically connected with the input end of the voltage boosting primary coil;
the output end of the boosting primary coil is electrically connected with a second load interface to be tested, and the boosting secondary coil is electrically connected with the current regulating module.
In some embodiments, a turn ratio of the buck primary coil to the buck secondary coil is equal to a turn ratio of the boost secondary coil to the boost primary coil.
In some embodiments, the current regulation module comprises an adjustable resistance.
In another aspect, the present application further provides an apparatus for development test, where the apparatus for development test includes at least one current meter and/or voltage meter, and a voltage transformation power supply apparatus in an embodiment of the present application.
Because of above-mentioned technical scheme, this application a vary voltage power supply unit have following beneficial effect:
1. according to the variable-voltage power supply device, under the condition that the total power is not changed, the requirement of a load to be tested on a large current can be met by adopting the step-down transformer, the consumption of high power is avoided, and the test cost is reduced; after the step-up transformer converts the large current into the small current, the current flowing into the load to be measured is adjusted by the current adjusting module, and therefore convenience and adjusting accuracy of adjusting the current of the load to be measured are improved.
2. The utility model provides a vary voltage power supply unit through adopting the voltage regulating module, adjusts the voltage of step-down transformer primary coil end, and then adjusts the current value that flows into to the load that awaits measuring, has avoided the consumption of high power, has reduced test cost.
Drawings
In order to more clearly illustrate the technical solution of the present application, the drawings used in the embodiments or the description of the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can also be derived from them without inventive effort.
Fig. 1 is a schematic structural diagram of a variable voltage power supply device provided in an embodiment of the present application;
fig. 2 is a schematic structural diagram of a voltage transformation power supply device according to an embodiment of the present application.
The device comprises a step-down transformer 1, a step-down primary coil 11, a step-down secondary coil 12, a step-up transformer 2, a step-up primary coil 21, a step-up secondary coil 22, a current regulation module 3, a load interface to be tested 4, a first load interface to be tested 41, a second load interface to be tested 42, a voltage regulation module 5 and an A power supply.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making creative efforts shall fall within the protection scope of the present application.
Reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic may be included in at least one implementation of the present application. In the description of the present application, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present application and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. Moreover, the terms "first," "second," and the like are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.
With reference to fig. 1, a transformation power supply device provided in the embodiment of the present application is introduced, including a step-down transformer 1, a step-up transformer 2, a current regulation module 3, and a load interface 4 to be tested, where the step-down transformer 1 includes a step-down primary coil 11 and a step-down secondary coil 12, the step-up transformer 2 includes a step-up primary coil 21 and a step-up secondary coil 22, and the load interface 4 to be tested includes a first load interface 41 to be tested and a second load interface 42 to be tested; the voltage reduction primary coil 11 is electrically connected with a power supply, one end of the voltage reduction secondary coil 12 is connected with the first to-be-detected load interface 41, and the other end of the voltage reduction secondary coil is electrically connected with the input end of the voltage boosting primary coil 21; the output end of the boosting primary coil 21 is electrically connected with the second load interface 42 to be tested, and the boosting secondary coil 22 is electrically connected with the current regulation module 3; the step-down transformer 1 can meet the requirement of the load to be tested on large current, so that the consumption of high power is avoided, and the test cost is reduced; after the step-up transformer 2 converts the large current into the small current, the current flowing into the load to be measured is adjusted by the current adjusting module 3, and therefore convenience and adjusting accuracy of the current of the load to be measured are improved.
In some embodiments, the current regulation module 3 may be an adjustable resistor; the adjustable resistor is used for adjusting, so that convenience in adjusting the current of the load to be measured is improved.
In some embodiments, the turn ratio of the buck primary coil 11 to the buck secondary coil 12 is equal to the turn ratio of the boost secondary coil 22 to the boost primary coil 21; the step-down proportion of the step-down transformer 1 is equal to the step-up proportion of the step-up transformer 2, so that the step-up transformer 2 can accurately control the current regulation amplitude through simple proportion conversion under the condition of regulating the current flowing into the load to be measured, and the convenience of current regulation of the load to be measured is improved.
In some embodiments, the load interface 4 to be tested may be a relay contact.
In the embodiment of the present application, assuming that the current required by the load to be measured is 10A, the transformation ratios of the step-up transformer 2 and the step-down transformer 1 are both 20:1, the current of the power supply only needs 0.5A, and the consumed power is only 110W under the conventional market power supply voltage, so that the energy consumption can be greatly reduced; the transformation power supply device is simple in structure and high in reliability, the simplicity of obtaining large current is improved, and the test cost is reduced.
With reference to fig. 2, in another embodiment of the present application, the voltage transformation power supply device includes a step-down transformer 1, a voltage regulation module 5 and a load interface 4 to be tested, an input end of the voltage regulation module 5 is electrically connected to a power supply, and an output end of the voltage regulation module 5 is electrically connected to an input end of the step-down transformer 1; the output end of the step-down transformer 1 is electrically connected with a load interface 4 to be tested; by adopting the voltage regulating module 5, the voltage of the primary coil end of the step-down transformer 1 is regulated, and then the current value flowing into the load to be tested is regulated, so that the consumption of high power is avoided, and the test cost is reduced.
In another embodiment of the present application, the voltage regulating module 5 may be a voltage regulator.
In another embodiment of the present application, the voltage transformation power supply device may further include a step-up transformer 2 and a load interface 4 to be tested, the step-down transformer 1 includes a step-down primary coil 11 and a step-down secondary coil 12, the step-up transformer 2 includes a step-up primary coil 21 and a step-up secondary coil 22, and the load interface 4 to be tested includes a first load interface 41 to be tested and a second load interface 42 to be tested; the voltage reduction primary coil 11 is connected with the output end of the voltage regulation module 5, one end of the voltage reduction secondary coil 12 is connected with the first to-be-tested load interface 41, and the other end of the voltage reduction secondary coil is electrically connected with the input end of the voltage boosting primary coil 21; the output end of the boosting primary coil 21 is electrically connected with the second load interface 42 to be tested, and the boosting secondary coil 22 is electrically connected with the current regulation module 3.
In another embodiment of the present application, the turn ratio of the step-down primary coil 11 to the step-down secondary coil 12 is equal to the turn ratio of the step-up secondary coil 22 to the step-up primary coil 21.
In another embodiment of the present application, the current adjusting module 3 may be an adjustable resistor.
In another embodiment of the present application, the load interface 4 to be tested may be a relay contact.
In addition, the application also provides a device for developing and testing, which comprises at least one current meter and/or voltage meter, and the voltage transformation power supply device in the embodiment of the application.
The foregoing description has disclosed fully embodiments of the present application. It should be noted that those skilled in the art will be able to make modifications to the embodiments of the present application without departing from the scope of the appended claims. Accordingly, the scope of the claims of the present application is not to be limited to the particular embodiments described above.
Claims (10)
1. A transformation power supply device is characterized by comprising a step-down transformer (1), a step-up transformer (2), a current regulation module (3) and a load interface (4) to be tested,
the step-down transformer (1) comprises a step-down primary coil (11) and a step-down secondary coil (12), the step-up transformer (2) comprises a step-up primary coil (21) and a step-up secondary coil (22), and the load interface (4) to be tested comprises a first load interface (41) to be tested and a second load interface (42) to be tested;
the voltage reduction primary coil (11) is electrically connected with a power supply, one end of the voltage reduction secondary coil (12) is connected with the first to-be-tested load interface (41), and the other end of the voltage reduction secondary coil is electrically connected with the input end of the voltage boosting primary coil (21);
the output end of the boosting primary coil (21) is electrically connected with the second load interface (42) to be tested, and the boosting secondary coil (22) is electrically connected with the current regulation module (3).
2. A variable voltage supply arrangement according to claim 1, wherein the current regulating module (3) comprises an adjustable resistor.
3. A variable voltage supply arrangement according to claim 1, wherein the turn ratio of the buck primary winding (11) to the buck secondary winding (12) is equal to the turn ratio of the boost secondary winding (22) to the boost primary winding (21).
4. The variable voltage power supply device according to claim 1, wherein the load interface (4) to be tested comprises relay contacts.
5. A transformation power supply device is characterized by comprising a step-down transformer (1), a voltage regulating module (5) and a load interface (4) to be tested,
the input end of the voltage regulating module (5) is electrically connected with a power supply, and the output end of the voltage regulating module (5) is electrically connected with the input end of the step-down transformer (1);
the output end of the step-down transformer (1) is electrically connected with the load interface (4) to be tested.
6. The variable voltage power supply device according to claim 5, wherein the voltage regulating module (5) comprises a voltage regulator.
7. The variable voltage power supply device according to claim 5, further comprising a step-up transformer (2),
the step-down transformer (1) comprises a step-down primary coil (11) and a step-down secondary coil (12), the step-up transformer (2) comprises a step-up primary coil (21) and a step-up secondary coil (22), and the load interface (4) to be tested comprises a first load interface (41) to be tested and a second load interface (42) to be tested;
the voltage reduction primary coil (11) is connected with the output end of the voltage regulation module (5), one end of the voltage reduction secondary coil (12) is connected with the first to-be-detected load interface (41), and the other end of the voltage reduction secondary coil is electrically connected with the input end of the voltage boosting primary coil (21);
the output end of the boosting primary coil (21) is electrically connected with the second load interface (42) to be tested, and the boosting secondary coil (22) is electrically connected with the current regulation module (3).
8. A variable voltage supply arrangement according to claim 7, wherein the turn ratio of the buck primary winding (11) to the buck secondary winding (12) is equal to the turn ratio of the boost secondary winding (22) to the boost primary winding (21).
9. The variable voltage power supply according to claim 8, wherein the current regulating module (3) comprises an adjustable resistor.
10. An apparatus for developing tests, comprising at least one current and/or voltage meter, and a variable voltage supply apparatus as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123319701.6U CN217563538U (en) | 2021-12-27 | 2021-12-27 | Variable voltage power supply device and device for development and test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123319701.6U CN217563538U (en) | 2021-12-27 | 2021-12-27 | Variable voltage power supply device and device for development and test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217563538U true CN217563538U (en) | 2022-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123319701.6U Active CN217563538U (en) | 2021-12-27 | 2021-12-27 | Variable voltage power supply device and device for development and test |
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| Country | Link |
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| CN (1) | CN217563538U (en) |
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- 2021-12-27 CN CN202123319701.6U patent/CN217563538U/en active Active
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