CN216959413U - Power supply switching device and power supply simulation system - Google Patents
Power supply switching device and power supply simulation system Download PDFInfo
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- CN216959413U CN216959413U CN202123234303.4U CN202123234303U CN216959413U CN 216959413 U CN216959413 U CN 216959413U CN 202123234303 U CN202123234303 U CN 202123234303U CN 216959413 U CN216959413 U CN 216959413U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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Abstract
The application provides a power supply switching device and a power supply simulation system, wherein the power supply switching device comprises a simulation power supply interface, a power supply interface and a plurality of power supply switching circuits connected between the simulation power supply interface and the power supply interface; the power supply switching circuits are mutually connected in parallel and comprise power supply switches and circuit breakers which are mutually connected in series; the analog power supply interface is used for being connected to a power supply device capable of outputting power supplies of different specifications, when the power supply device outputs the power supply, a power supply switch and a circuit breaker in a corresponding power supply switching circuit are closed, and power supply switches and circuit breakers in other power supply switching circuits are disconnected; the power supply interface is used for connecting a product to be tested; the analog power supply interface receives an analog power supply output by the power supply device, and the analog power supply flows through the power supply switching circuit and then is transmitted to a product to be detected through the power supply interface. The device realizes power supply simulation in different areas through switching of the corresponding switches and the corresponding circuit breakers, simplifies operation steps during product testing, and is favorable for improving the testing efficiency of electronic products.
Description
Technical Field
The present invention relates to the field of electronic circuit technologies, and in particular, to a power switching device and a power simulation system.
Background
Some electronic product manufacturing enterprises are based on the consideration of factors such as production places, raw material supply, human resources and the like, the situation that the production places and the sales places of the products are inconsistent often occurs, and because the electricity utilization standards of the power supply systems of the production places and the sales places are inconsistent, the power supply systems of all the sales places are usually required to be simulated to perform product testing in the production stage of the electronic products, so that the electronic products can be matched with the power supply systems of all the sales places, and the electronic products can be normally used in the corresponding sales places.
The general power supply simulation system comprises a simulation power supply interface, a plurality of circuit breakers and a plurality of leads; the analog power supply interface is used for being connected to a power supply to obtain analog commercial power matched with each selling place; the circuit breakers are used for cutting off and switching on a load circuit and cutting off a fault circuit to ensure the safe operation of the circuit, and are used for cutting off or switching on corresponding simulation commercial power in a power supply simulation system; the plurality of wires are used for connecting the analog power interface, the circuit breaker and the electronic product to be tested. Generally, a circuit breaker of one model can only be applied to a power supply simulation system of a single selling place, and when an electronic product of one selling place is tested and electronic products of other selling places need to be tested, an operator needs to manually replace circuit breakers of other models to continuously simulate a power supply system of other selling places to test other products. Because the manual circuit breaker of changing of tearing open of operation personnel is comparatively troublesome, and need carry out a lot of wire and connect, can lead to the efficiency of software testing of electronic product to be lower, and the security of manual dismouting circuit breaker is lower.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the related art, embodiments of the present invention provide a power switching device and a power simulation system, where the power switching device can realize power supply simulation in different areas by switching between a corresponding switch and a corresponding circuit breaker, simplify operation steps in product testing, and contribute to improving testing efficiency of electronic products.
According to a first aspect of the embodiments of the present invention, a power switching apparatus is provided, which includes an analog power interface, a power supply interface, and a plurality of power switching circuits connected between the analog power interface and the power supply interface;
the power supply switching circuits are connected in parallel, and each power supply switching circuit comprises a power supply switch and a circuit breaker which are connected in series;
the analog power supply interface is used for being connected to a power supply device capable of outputting power supplies of different specifications, when the power supply device outputs the power supply, a power supply switch and a breaker in the corresponding power supply switching circuit are closed, and power supply switches and breakers in other power supply switching circuits are disconnected; the power supply interface is used for connecting a product to be tested;
the analog power supply interface receives an analog power supply output by the power supply device, and the analog power supply flows through the power supply switching circuit and then is transmitted to a product to be tested through the power supply interface.
According to a second aspect of the embodiments of the present invention, there is provided a power supply simulation system, which includes a power supply device, and the power supply switching device according to any one of the above embodiments.
By applying the technical scheme of the embodiment of the utility model, a plurality of paths of power supply switching circuits which are mutually connected in parallel are arranged in the power supply switching device, each path of power supply switching circuit can be independently controlled to be switched off or switched on, when the power supply device simulates a power supply system of one region to output power, the corresponding power supply switching circuit can be controlled to be switched on, and other power supply switching circuits are controlled to be switched off, so that the simulation of the power supply systems of various regions can be respectively realized. When power supply systems in different areas are simulated, the circuit breaker does not need to be manually disassembled and assembled by operators, the operation is convenient, and the safety factor is higher.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the utility model, as claimed.
For a better understanding and practice, the utility model is described in detail below with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic block diagram of a power switching apparatus according to an embodiment of the utility model;
fig. 2 is a schematic circuit diagram of a power switching device according to an embodiment of the utility model;
fig. 3 is a schematic structural diagram of a power switching device according to an embodiment of the utility model;
fig. 4 is a schematic block diagram of a power supply simulation system according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the utility model, as detailed in the appended claims.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
It is to be understood that although the terms first, second, third, etc. may be used herein to describe various information, these information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present invention. The word "if/if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination", depending on the context.
In original power supply analog system, need the manual dismouting circuit breaker of operation personnel just can realize the simulation of the power supply system in different areas, it is not convenient enough to operate, and product efficiency of software testing is lower, and factor of safety is lower.
In order to solve the above problems, embodiments of the present invention provide a power switching device and a power simulation system, in which multiple paths of parallel power switching circuits are arranged, and on/off of different power switching circuits are timely controlled to simulate power supply systems in different regions, so that the power switching device and the power simulation system are convenient to operate, and are beneficial to improving the test efficiency of a product to be tested, and the safety factor is high.
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
According to a first aspect of an embodiment of the present invention, referring to fig. 1 and fig. 2, fig. 1 is a schematic block diagram of a power switching apparatus according to an embodiment of the present invention; fig. 2 is a schematic circuit diagram of a power switching apparatus according to an embodiment of the utility model.
The power supply switching device comprises an analog power supply interface 11, a power supply interface 13 and a plurality of power supply switching circuits 12 connected between the analog power supply interface 11 and the power supply interface 13; a plurality of the power switching circuits 12 are connected in parallel, and the power switching circuits 12 comprise a power supply switch 121 and a circuit breaker 122 which are connected in series; the analog power interface 11 is used for connecting to a power supply device 20 capable of outputting power supplies of different specifications, when the power supply device 20 outputs a power supply, the corresponding power supply switch 121 and circuit breaker 122 in the power supply switching circuit 12 are closed, and the power supply switches 121 and circuit breakers 122 in other power supply switching circuits 12 are opened; the power supply interface 13 is used for connecting a product 30 to be tested. The analog power supply interface 11 receives an analog power supply output by the power supply device, and the analog power supply flows through the power supply switching circuit 12 and then is transmitted to the product to be tested through the power supply interface 13, so that a power supply is provided for the product 30 to be tested, and the test is facilitated.
According to the technical scheme of the embodiment, multiple paths of power supply switching circuits which are connected in parallel are arranged in the power supply switching device, each path of power supply switching circuit can be independently controlled to be switched off or switched on, when the power supply device simulates a power supply system of one region to output power, the corresponding power supply switching circuit can be controlled to be switched on, and other power supply switching circuits are controlled to be switched off, so that simulation of power supply systems of multiple regions can be respectively realized. When power supply systems in different areas are simulated, the circuit breaker does not need to be manually disassembled and assembled by operators, the operation is convenient, and the safety factor is higher.
In this embodiment, the analog power interface 11 is used to connect the power supply device 20 to obtain an analog power, where the analog power includes analog commercial power in a plurality of different areas, and the analog commercial power in different areas may have different frequencies or different rated powers. The analog power interface 11 comprises a first live wire output end, a second live wire output end and a zero line output end; when the analog power interface 11 is connected to the power supply device 20, the first live wire output end is connected to the first live wire L1 of the power supply device 20, the second live wire output end is connected to the second live wire L2 of the power supply device 20, and the neutral wire output end is connected to the neutral wire PE of the power supply device 20.
The first sub-switch is connected between a first live wire output end of the analog power interface 11 and a first input end of the circuit breaker 122, and the second sub-switch is connected between a second live wire output end of the analog power interface 11 and a second input end of the circuit breaker 122; and a grounding wire is connected between the output end of the zero line and the grounding end of the power supply interface 13.
Optionally, the analog power interface 11 may include a two-plug power socket, and/or a two-plug power plug, and/or a three-plug power socket, and/or a three-plug power plug. In other embodiments, the analog power interface 11 may be other power interfaces.
In an alternative embodiment, the power switching device includes at least two parallel power switching circuits 12. Each power switching circuit includes an electric switch 121 and a circuit breaker 122.
The power supply switch 121 can be a double-pole single-throw switch (S1, S2) for switching off or on power supplies on different wires, so that an operator can disconnect the power supplies when operating the circuit breaker, and the safety factor of operation is improved. The double pole single throw switch (S1, S2) comprises a first sub-switch connected between the analog power interface 11 and the first input of the circuit breaker 122 and a second sub-switch connected between the analog power interface 11 and the second input of the circuit breaker 122.
In other embodiments, the power supply switch 121 may be another switch, which is not limited in this application.
Alternatively, for convenience of operation, the contacts of the power switch 121 are disposed on the housing of the power switching device.
The circuit breaker refers to a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition within a prescribed time.
In this embodiment, the circuit breaker 122 is used to break and make the load circuit and break the fault circuit, so as to ensure the safe operation of the circuit. The circuit breaker 122 comprises a first input terminal, a second input terminal, a first output terminal, a second output terminal and a switch assembly; when the switch assembly of the circuit breaker is closed, the first input end is correspondingly connected with the first output end, and the second input end is correspondingly connected with the second output end.
In the present embodiment, the rated current value of the breaker 122 may be 16A, 20A, 25A, 32A, or the like.
The power supply interface 13 comprises a plurality of sockets and/or a plurality of plugs, and the plurality of sockets can comprise two-plug sockets and/or three-plug sockets; the number of plugs may include a two-prong plug, and/or a three-prong plug.
In order to improve the safety of the power switching device, in an alternative embodiment, the power switching device further comprises a housing. Referring to fig. 3, fig. 3 is a schematic structural diagram of a power switching device according to an embodiment of the utility model.
Install a plurality of in the shell 14 power supply switching circuit 12, install on the lateral wall of shell 14 analog power source interface 11 with power supply interface 13 is favorable to the connection of wire, convenient operation. Meanwhile, the shell 14 is adopted to accommodate all the components, so that the arrangement of the operation platform is facilitated, and the working environment is tidy and attractive.
Optionally, in order to increase the safety factor of the operation, the housing 14 is a rigid insulating housing, avoiding the user to touch dangerous live parts.
Optionally, a power switch 121 is further disposed on the outer side of the housing 14 for facilitating the power-off operation.
In order to observe whether the circuit breaker 122 is tripped or not, an observation window 141 is further disposed on the housing 14, and the observation window 141 corresponds to each circuit breaker 122. Moreover, the observation window is movably mounted on the housing 14 and can be opened and closed, when the circuit breaker 122 in the housing needs to be operated, the observation window 141 can be opened to perform the reset operation of the circuit breaker, which is convenient and has a high safety factor. Alternatively, the observation window 141 may be provided by a plexiglas cover plate. Organic glass apron and rigid insulation shell phase-match constitute the power switching box of accomplishing, are convenient for observe the circuit breaker and whether trip, are convenient for regulate and control the circuit breaker simultaneously.
According to the technical scheme of the embodiment, multiple paths of power supply switching circuits which are connected in parallel are arranged in the power supply switching device, each path of power supply switching circuit can be independently controlled to be switched off or switched on, when the power supply device simulates a power supply system of one region to output power, the corresponding power supply switching circuit can be controlled to be switched on, and other power supply switching circuits are controlled to be switched off, so that simulation of power supply systems of multiple regions can be respectively realized. When power supply systems in different areas are simulated, the circuit breaker does not need to be manually disassembled and assembled by operators, the operation is convenient, and the safety factor is higher.
According to a second aspect of the present invention, a power supply simulation system is further provided, please refer to fig. 4, and fig. 4 is a schematic block diagram of the power supply simulation system according to the embodiment of the present invention.
The power supply simulation system includes a power supply device 20 and the power supply switching device 10 described in any of the above embodiments, where the power supply device 20 is a variable frequency power supply, and can simulate power supplies in different areas, and the power supply switching device 10 conducts corresponding lines, so that a product to be tested connected to a power supply interface can obtain a corresponding power supply.
The power switching device 10 is the power switching device described in the above embodiments, and the embodiments can be referred to for the content not disclosed in the present embodiment.
The power supply simulation system is characterized in that a plurality of paths of power supply switching circuits which are connected in parallel are arranged in the power supply switching device, each path of power supply switching circuit can be independently controlled to be switched off or switched on, when the power supply device simulates a power supply system in one region to output power, the corresponding power supply switching circuit can be controlled to be switched on, and other power supply switching circuits can be controlled to be switched off, so that the simulation of the power supply systems in various regions can be respectively realized. When power supply systems in different areas are simulated, the circuit breaker does not need to be manually disassembled and assembled by operators, the operation is convenient, and the safety factor is higher.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (10)
1. A power supply switching device is characterized by comprising an analog power supply interface, a power supply interface and a plurality of power supply switching circuits connected between the analog power supply interface and the power supply interface;
the power supply switching circuits are connected in parallel, and each power supply switching circuit comprises a power supply switch and a circuit breaker which are connected in series;
the analog power supply interface is used for being connected to a power supply device capable of outputting power supplies of different specifications, when the power supply device outputs the power supply, a power supply switch and a breaker in the corresponding power supply switching circuit are closed, and power supply switches and breakers in other power supply switching circuits are disconnected; the power supply interface is used for connecting a product to be tested;
the analog power supply interface receives an analog power supply output by the power supply device, and the analog power supply flows through the power supply switching circuit and then is transmitted to a product to be tested through the power supply interface.
2. The power switching apparatus of claim 1, wherein the circuit breaker comprises a first input, a second input, a first output, a second output, and a switch assembly;
when the switch assembly of the circuit breaker is closed, the first input end and the first output end are correspondingly connected, and the second input end and the second output end are correspondingly connected.
3. The power switching apparatus of claim 2, wherein the power supply switch is a double-pole single-throw switch, the double-pole single-throw switch comprising a first sub-switch and a second sub-switch, the first sub-switch being connected between the analog power source interface and the first input of the circuit breaker, the second sub-switch being connected between the analog power source interface and the second input of the circuit breaker.
4. The power switching device of claim 3, wherein the analog power interface comprises a first live output, a second live output, and a neutral output;
the first sub-switch is connected between a first live wire output end of the analog power supply interface and a first input end of the circuit breaker, and the second sub-switch is connected between a second live wire output end of the analog power supply interface and a second input end of the circuit breaker;
and the output end of the zero line is connected with the grounding end of the power supply interface.
5. The power switching device of claim 1, wherein the power switching device comprises at least two parallel power switching circuits.
6. The power switching device of claim 1, wherein said power interface comprises a plurality of outlets, and/or a plurality of plugs.
7. The power switching device of claim 1, further comprising a housing, wherein the housing houses the power switching circuits, and the side wall of the housing houses the analog power interface and the power supply interface.
8. The power switching device of claim 7, wherein an observation window is further disposed on the housing, the observation window corresponding to each of the circuit breakers.
9. The power switching device of claim 8, wherein the observation window is mounted on the housing and can be opened and closed.
10. A power supply emulation system comprising power supply means and a power switching means as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123234303.4U CN216959413U (en) | 2021-12-20 | 2021-12-20 | Power supply switching device and power supply simulation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123234303.4U CN216959413U (en) | 2021-12-20 | 2021-12-20 | Power supply switching device and power supply simulation system |
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| Publication Number | Publication Date |
|---|---|
| CN216959413U true CN216959413U (en) | 2022-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202123234303.4U Active CN216959413U (en) | 2021-12-20 | 2021-12-20 | Power supply switching device and power supply simulation system |
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| CN (1) | CN216959413U (en) |
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- 2021-12-20 CN CN202123234303.4U patent/CN216959413U/en active Active
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