CN215579447U - Interface converter - Google Patents
Interface converter Download PDFInfo
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- CN215579447U CN215579447U CN202122337134.0U CN202122337134U CN215579447U CN 215579447 U CN215579447 U CN 215579447U CN 202122337134 U CN202122337134 U CN 202122337134U CN 215579447 U CN215579447 U CN 215579447U
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- switch
- input interface
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Abstract
An interface converter comprises a power input interface, a rectifier bridge, a switch and a power output interface, wherein the power input interface is electrically connected with an alternating current input end of the rectifier bridge, and a direct current input end of the rectifier bridge, the switch and the power output interface are connected in series; the power input interface comprises a first power input interface and a second power input interface which are connected in parallel. The two power input interfaces can be matched and connected with power adapter interfaces and detection tools of different models.
Description
Technical Field
The utility model relates to the technical field of power interface conversion, in particular to an interface converter.
Background
Various detection tools need to be connected with a power supply and a switch, but the power supply adapter has two output interface types, namely an outer diameter phi 5.5mm and an inner diameter phi 2.5mm, and the outer diameter phi 5.5mm and the inner diameter phi 2.1 mm. Therefore, when the adapter is used, the power cord of the adapter is usually required to be cut off, then the power cord and the power switch are manually welded, and the adapter can only be used once.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an interface converter which is used for being matched and connected with power adapter interfaces and detection tools of different models.
The technical scheme of the utility model is as follows:
an interface converter comprises a power input interface, a rectifier bridge, a switch and a power output interface, wherein the power input interface is electrically connected with an alternating current input end of the rectifier bridge, and a direct current input end of the rectifier bridge, the switch and the power output interface are connected in series; the power input interface comprises a first power input interface and a second power input interface which are connected in parallel.
Preferably, the power supply further comprises an operation indicating circuit, wherein the operation indicating circuit comprises a current limiting resistor R1, a voltage dividing resistor R2, a light emitting diode D1 and a triode Q1, a base of the triode Q1 is electrically connected with an anode of the power supply output interface through a current limiting resistor R1, a collector of the triode Q1 is electrically connected with an anode of the power supply output interface, and an emitter of the triode Q1 is electrically connected with a cathode of the power supply output interface through the voltage dividing resistor R2 and the light emitting diode D1 which are connected in series.
Preferably, the power output interface is a round hole plug.
Preferably, the first power input interface is an interface with an outer diameter of phi 5.5mm and an inner diameter of phi 2.5mm, and the second power input interface is an interface with an outer diameter of phi 5.5mm and an inner diameter of phi 2.1 mm.
Preferably, the switch is a boat switch.
The utility model has the beneficial effects that:
1. the circuit between the power input interface and the power output interface can be cut off through the switch, and the power supply is switched on and off according to the requirement. The rectifier bridge can avoid circuit damage caused by the reverse connection of the anode and the cathode of the power input interface. The two power input interfaces can be matched and connected with power adapter interfaces and detection tools of different models.
2. The work indicating circuit is connected with the power output interface in parallel, and the damage of the work indicating circuit does not affect the output of the power supply.
3. The round hole plug can avoid the reverse connection of the positive electrode and the negative electrode.
Drawings
Fig. 1 is a circuit diagram of an interface converter.
Detailed Description
The present invention is described below in terms of embodiments in conjunction with the accompanying drawings to assist those skilled in the art in understanding and implementing the present invention. Unless otherwise indicated, the following embodiments and technical terms therein should not be understood to depart from the background of the technical knowledge in the technical field.
Example 1: an interface converter, see fig. 1, includes a power input interface, a rectifier bridge, a switch S1 and a power output interface V-out, wherein the power input interface is electrically connected to an ac input terminal of the rectifier bridge, and the dc input terminal of the rectifier bridge, the switch S1 and the power output interface V-out are connected in series; the power input interfaces comprise a first power input interface V-in1 and a second power input interface V-in2 connected in parallel.
Preferably, the power supply further comprises an operation indicating circuit, the operation indicating circuit comprises a current limiting resistor R1, a voltage dividing resistor R2, a light emitting diode D1 and a triode Q1, the base of the triode Q1 is electrically connected with the positive pole of the power supply output interface through a current limiting resistor R1, the collector of the triode Q1 is electrically connected with the positive pole of the power supply output interface, and the emitter of the triode Q1 is electrically connected with the negative pole of the power supply output interface through the voltage dividing resistor R2 and the light emitting diode D1 which are connected in series.
Preferably, the power output interface is a round hole plug.
Preferably, the first power input interface V-in1 is an interface with an outer diameter of 5.5mm and an inner diameter of 2.5mm, and the second power input interface V-in2 is an interface with an outer diameter of 5.5mm and an inner diameter of 2.1 mm.
Preferably, switch S1 is a rocker switch.
When the power supply circuit is used, the power supply input interface is connected with the output interface of the power supply adapter, the power supply output interface is connected with the power supply input interface of the detection tool, and the switch S01 is operated as required to realize the on-off of the power supply circuit.
The utility model is described in detail above with reference to the figures and examples. It should be understood that in practice the description of all possible embodiments is not exhaustive and that the inventive concepts are described herein as far as possible by way of illustration. Without departing from the inventive concept of the present invention and without any creative work, a person skilled in the art should, in all of the embodiments, make optional combinations of technical features and experimental changes of specific parameters, or make a routine replacement of the disclosed technical means by using the prior art in the technical field to form specific embodiments, which belong to the content implicitly disclosed by the present invention.
Claims (5)
1. An interface converter is characterized by comprising a power input interface, a rectifier bridge, a switch and a power output interface, wherein the power input interface is electrically connected with an alternating current input end of the rectifier bridge, and a direct current input end of the rectifier bridge, the switch and the power output interface are connected in series; the power input interface comprises a first power input interface and a second power input interface which are connected in parallel.
2. The interface converter as claimed in claim 1, further comprising an operation indicating circuit, wherein the operation indicating circuit comprises a current limiting resistor R1, a voltage dividing resistor R2, a light emitting diode D1 and a transistor Q1, a base of the transistor Q1 is electrically connected to the positive pole of the power output interface through a current limiting resistor R1, a collector of the transistor Q1 is electrically connected to the positive pole of the power output interface, and an emitter of the transistor Q1 is electrically connected to the negative pole of the power output interface through the voltage dividing resistor R2 and the light emitting diode D1 connected in series.
3. The interface converter of claim 1, wherein said power output interface is a round hole plug.
4. The interface converter of claim 1, wherein the first power input interface is an outer diameter φ 5.5mm inner diameter φ 2.5mm interface, and the second power input interface is an outer diameter φ 5.5mm inner diameter φ 2.1mm interface.
5. The interface switch of claim 1, wherein the switch is a boat switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122337134.0U CN215579447U (en) | 2021-09-26 | 2021-09-26 | Interface converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122337134.0U CN215579447U (en) | 2021-09-26 | 2021-09-26 | Interface converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215579447U true CN215579447U (en) | 2022-01-18 |
Family
ID=79852233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122337134.0U Active CN215579447U (en) | 2021-09-26 | 2021-09-26 | Interface converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215579447U (en) |
-
2021
- 2021-09-26 CN CN202122337134.0U patent/CN215579447U/en active Active
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