CN215732586U - DC power supply switching device - Google Patents
DC power supply switching device Download PDFInfo
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- CN215732586U CN215732586U CN202121817735.5U CN202121817735U CN215732586U CN 215732586 U CN215732586 U CN 215732586U CN 202121817735 U CN202121817735 U CN 202121817735U CN 215732586 U CN215732586 U CN 215732586U
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Abstract
The utility model discloses a direct-current power supply switching device, which comprises a shell with an accommodating space, and also at least comprises a first input end, a first output end, a first lead, a second input end, a second output end and a second lead, wherein the first input end and the second input end are used for inputting different direct-current power supplies, so that two or more direct-current power supplies can be provided, and the direct-current power supply switching device can be adapted to the requirements of products of two types; the power supply is characterized in that a switch unit and a switch are additionally arranged between the input and the output of the power supply, the power supply can still keep an open circuit state at the moment of power supply opening until the power supply is stably output and then is opened to eliminate the influence of output fluctuation, the input end is connected with a power supply interface male connector, and the output end is connected with a power supply interface female connector, so that the plug-in fool-proof design can be realized, the output end is provided with marks or marks, the fool-proof design is further realized, and the probability of wire outlet and wrong insertion during power connection is reduced.
Description
Technical Field
The utility model relates to the technical field of electrical engineering, in particular to a direct-current power supply switching device.
Background
Some electrical occasions need to be provided with different direct current power supplies, two or more direct current power supplies are needed to be matched with products of different models, operation is simplified, however, no two or more direct current power supply switching devices exist in the prior art, sometimes, the work table is connected with cables directly, and the work table is quite messy and untidy.
In addition, on one hand, the output of two or more direct current power supplies needs to avoid the condition that different types of products are connected with the tooling cable in a frequency mode due to different tooling cables, and the probability of wrong insertion during power connection is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a direct-current power supply switching device which is provided with two or more direct-current power supplies so as to adapt to the requirements of products of different models.
The utility model provides a dc power supply switching device, which includes a housing, the housing has an accommodating space, the dc power supply switching device at least includes a first input end, a first output end, a first wire, a second input end, a second output end, and a second wire, the first input end and the second input end are used for inputting different dc power supplies, the first wire and the second wire are arranged side by side, the first wire penetrates through the housing to connect the first input end and the first output end, the second wire penetrates through the housing to connect the second input end and the second output end, and the first output end and the second output end are both arranged on the surface of the housing. The direct-current power supply switching device at least comprises a first input end, a first output end, a first lead, a second input end, a second output end, a second lead, a third input end, a third output end, a third lead or more, so that the direct-current power supply switching device can be provided with two or more direct-current power supplies and can be adapted to the product requirements of two or more models.
Further, still include first switch unit, first switch, second switch unit, second switch, first switch unit establishes on the first wire and locate in the casing, the second switch unit establishes on the second wire and locate in casing 100, first switch unit the second switch unit all locates in the casing, first switch, second switch are established respectively the casing on the surface, first switch is connected and is controlled first switch unit, the second switch is connected and is controlled the second switch unit. The switch unit and the switch are additionally arranged on the first guide wire and the second guide wire, namely between the input and the output of the power supply, and the output of the power supply is provided with the switch, so that the additionally arranged switch can be called as a secondary switch, and the secondary switch can still keep an open circuit state at the moment of power supply opening until the power supply output is stable and then is opened to eliminate the influence of output fluctuation.
Furthermore, the test device also comprises a first test meter pen jack and a second test meter pen jack, wherein the first test meter pen jack and the second test meter pen jack are respectively communicated with the first output end and the second output end. The test pen can be used for probing whether the power is stably connected or not, and the first switch and the second switch are not started if the power is not connected or the power is not stably connected.
For better connection, the first input end, the second input end, the first output end and the second output end are all provided with connectors. In a further aspect, for foolproof connection, the first input terminal and the second input terminal are power source male connectors, and the first output terminal and the second output terminal are power source female connectors. The arrangement of the power interface male head and the power interface female head is designed for plugging and unplugging fool-proofing.
As an alternative embodiment, the dc power supply connected to the first input terminal through the connection male terminal of the first input terminal is 5V, and the dc power supply connected to the second input terminal through the connection male terminal of the second input terminal is 28V.
As a further scheme, the first input end includes a first positive input end and a first ground input end, the first output end includes a first positive output end and a first ground output end, the first lead includes a first positive lead and a first ground lead, the first positive lead both ends are connected respectively the first positive input end with the first positive output end, the first ground lead both ends are connected respectively the first ground input end with the first ground output end, the second input end includes a second positive input end and a second ground input end, the second output end includes a second positive output end and a second ground output end, the second lead includes a second positive lead and a second ground lead, the second positive lead both ends are connected respectively the second positive input end with the second positive output end, the second ground lead both ends are connected respectively the second ground input end with the second ground output end.
For visual effect, the first positive output end, the first ground output end, the second positive output end, and the second ground output end are marked or marked.
The utility model has the following beneficial effects:
the direct-current power supply switching device at least comprises a first input end, a first output end, a first lead, a second input end, a second output end and a second lead, wherein the first input end and the second input end are used for inputting different direct-current power supplies, so that two or more direct-current power supplies can be provided, and the direct-current power supply switching device can be adapted to the requirements of products of two types; the power supply is characterized in that a switch unit and a switch are additionally arranged between the input and the output of the power supply, the power supply can still keep an open circuit state at the moment of power supply opening until the power supply is stably output and then is opened to eliminate the influence of output fluctuation, the input end is connected with a power supply interface male connector, and the output end is connected with a power supply interface female connector, so that the plug-in fool-proof design can be realized, the output end is provided with marks or marks, the fool-proof design is further realized, and the probability of wire outlet and wrong insertion during power connection is reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the operation of the present invention;
FIG. 3 is a schematic diagram of the operation of the present invention with a test meter pen socket;
FIG. 4 is a top view of the structure of the present invention;
FIG. 5 is a front view of the structure of the present invention;
FIG. 6 is a right side view of the structure of the present invention;
FIG. 7 is a schematic view of a package of the present invention;
fig. 8 is another schematic of the package of the present invention.
Wherein: the test device comprises a shell 100, a first input end 10, a first positive input end 11, a first ground input end 12, a first output end 20, a first positive output end 21, a first ground output end 22, a first lead 30, a first positive lead 31, a first ground lead 32, a second input end 40, a second positive input end 41, a second ground input end 42, a second output end 50, a second positive output end 51, a second ground output end 52, a second lead 60, a second positive lead 61, a second ground lead 62, a first switch unit 70, a first switch 71, a second switch unit 80, a second switch 81, a first test stylus jack 91 and a second test stylus jack 92.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings.
In order to achieve the above object, as shown in fig. 1, a dc power adapter includes a housing 100, the housing 100 has an accommodating space, and further includes at least a first input terminal 10, a first output terminal 20, a first conducting wire 30, a second input terminal 40, a second output terminal 50, and a second conducting wire 60, the first input terminal 10 and the second input terminal 40 are used for inputting different dc power, the first conducting wire 30 and the second conducting wire 60 are arranged side by side, the first conducting wire 30 penetrates through the housing 100 to connect the first input terminal 10 and the first output terminal 20, the second conducting wire 60 penetrates through the housing 100 to connect the second input terminal 40 and the second output terminal 50, and both the first output terminal 20 and the second output terminal 50 are disposed on a surface of the housing 100. The dc power supply switching device at least comprises a first input end 10, a first output end 20, a first wire 30, a second input end 40, a second output end 50, a second wire 60, and may further comprise a third input end, a third output end, a third wire or more, so that two or more dc power supplies may be provided, and the dc power supply switching device may be adapted to the product requirements of two models.
Referring to fig. 2, a switch unit and a switch are added to keep the power-on state at the moment of power-on and to turn on the power-on state again until the power output is stabilized to eliminate the influence of output fluctuation. The switch comprises a first switch unit 70, a first switch 71, a second switch unit 80 and a second switch 81, wherein the first switch unit 70 is arranged on a first lead 30 and arranged in a shell 100, the second switch unit 80 is arranged on a second lead 60 and arranged in the shell 100, the first switch 71 and the second switch 81 are respectively arranged on the surface of the shell 100, the first switch 71 is connected with and controls the first switch unit 70, and the second switch 81 is connected with and controls the second switch unit 81. The first wire 30 and the second wire 60, i.e. between the input and the output of the power supply, are provided with a switch unit and a switch, and the power supply output has a switch, and we can refer to the added switch as a secondary switch, which can still keep an open circuit state at the moment of power supply opening until the power supply output is stable and then be opened to eliminate the influence of output fluctuation. However, in the specific implementation, sometimes it is not certain whether there is electricity or not, or it is not certain whether electricity is already stable, so the test meter pen socket is added, as shown in fig. 3, a first test meter pen socket 91 and a second test meter pen socket 92 are further included, and the first test meter pen socket 91 and the second test meter pen socket 92 are respectively communicated with the first output end 20 and the second output end 50.
For better connection, as shown in fig. 2 and 7, the input end and the output end are both provided with connectors, the input end is a male connector, the output end is a female connector, the first input dc power supply is 5V, and the second input dc power supply is 28V. As in fig. 8, the output may be three different outputs. FIG. 7 has two inputs and outputs for accommodating two models of product requirements, and FIG. 8 has three inputs and outputs for accommodating three models of product requirements.
As shown in fig. 1 to 8, the dc power supply switching device implemented by the present invention at least includes a first input terminal 10, a first output terminal 20, a first conducting wire 30, a second input terminal 40, a second output terminal 50, and a second conducting wire 60, where the first input terminal 10 and the second input terminal 40 are used for inputting different dc power supplies, so that the dc power supply switching device can have two or more dc power supplies, and can be adapted to product requirements of two or more models; the switch units 70 and 80 and the switches 71 and 81 are additionally arranged between the input and the output of the power supply, the power supply can still keep an open circuit state at the moment of power supply starting, the power supply is started again until the power supply output is stable so as to eliminate the influence of output fluctuation, the power supply interface male head is connected to the input end, and the power supply interface female head is connected to the output end, so that the plug-in fool-proof design can be realized, the output end is provided with marks or marks, the fool-proof design is further realized, and the probability of wrong plug-in of outgoing lines during power connection is reduced.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (8)
1. The utility model provides a DC power supply switching device, includes the casing, the casing has accommodation space, its characterized in that includes first input, first output, first wire, second input, second output, second wire at least, first input with the second input is used for inputing different DC power supply, first wire with the second wire sets up side by side, first wire runs through the casing is connected first input with first output, the second wire runs through the casing is connected the second input with the second output, first output the second output all locates the casing on the surface.
2. The dc power supply switching device according to claim 1, further comprising a first switch unit, a first switch, a second switch unit, and a second switch, wherein the first switch unit is disposed on the first conductor and disposed in the housing, the second switch unit is disposed on the second conductor and disposed in the housing, the first switch and the second switch are respectively disposed on a surface of the housing, the first switch is connected to and controls the first switch unit, and the second switch is connected to and controls the second switch unit.
3. The dc power adapter of claim 2, further comprising a first test meter socket and a second test meter socket, wherein the first test meter socket and the second test meter socket are respectively connected to the first output terminal and the second output terminal.
4. The DC power supply switching device according to any one of claims 1 to 3, wherein the first input terminal, the second input terminal, the first output terminal and the second output terminal are provided with connectors.
5. The DC power supply switching device according to claim 4, wherein the first input terminal and the second input terminal are power interface male terminals, and the first output terminal and the second output terminal are power interface female terminals.
6. The DC power supply switching device according to claim 5, wherein the DC power supply connected to the first input terminal through the connection male terminal of the first input terminal is 5V, and the DC power supply connected to the second input terminal through the connection male terminal of the second input terminal is 28V.
7. The DC power switching device according to claim 5, wherein the first input terminal comprises a first positive input terminal and a first ground input terminal, the first output terminal comprises a first positive output terminal and a first ground output terminal, the first conducting wire comprises a first positive conducting wire and a first ground conducting wire, two ends of the first positive conducting wire are respectively connected with the first positive input terminal and the first positive output terminal, two ends of the first ground conducting wire are respectively connected with the first ground input terminal and the first ground output terminal, the second input terminal comprises a second positive input terminal and a second ground input terminal, the second output terminal comprises a second positive output terminal and a second ground output terminal, the second conducting wire comprises a second positive conducting wire and a second ground conducting wire, two ends of the second positive conducting wire are respectively connected with the second positive input terminal and the second positive output terminal, and two ends of the second grounding lead are respectively connected with the second grounding input end and the second grounding output end.
8. The DC power switching device of claim 7, wherein the first positive output terminal, the first ground output terminal, the second positive output terminal, and the second ground output terminal are marked or labeled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121817735.5U CN215732586U (en) | 2021-08-05 | 2021-08-05 | DC power supply switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121817735.5U CN215732586U (en) | 2021-08-05 | 2021-08-05 | DC power supply switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215732586U true CN215732586U (en) | 2022-02-01 |
Family
ID=79992872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121817735.5U Active CN215732586U (en) | 2021-08-05 | 2021-08-05 | DC power supply switching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215732586U (en) |
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2021
- 2021-08-05 CN CN202121817735.5U patent/CN215732586U/en active Active
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