CN217879445U - Charger testing arrangement and system - Google Patents
Charger testing arrangement and system Download PDFInfo
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- CN217879445U CN217879445U CN202221040360.0U CN202221040360U CN217879445U CN 217879445 U CN217879445 U CN 217879445U CN 202221040360 U CN202221040360 U CN 202221040360U CN 217879445 U CN217879445 U CN 217879445U
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Abstract
The utility model discloses a charger testing arrangement and system. The test device includes: the device comprises a socket, a current relay module, an indication module, a protection resistor, a battery bin and a switch module; the live wire end of the socket is electrically connected with the input end of the current relay module; the normally open output end of the current relay module is electrically connected with the input end of the indication module; the normally closed output end of the current relay module is electrically connected with the first end of the protection resistor and the output end of the indicating module respectively; the second end of the protection resistor is electrically connected with the zero line end of the socket; the first end of the switch module is electrically connected with the first end of the battery cabin; the second end of the battery bin is electrically connected with the output end of the current relay module; the second end of the switch module is electrically connected with the normally closed output end of the current relay module; the socket, the current relay module, the indicating module, the protection resistor, the battery bin and the switch module are arranged on the square protection shell. The scheme avoids inaccuracy and danger when the current backflow capacity is detected.
Description
Technical Field
The embodiment of the utility model provides a relate to charger test technique, especially relate to a charger testing arrangement and system.
Background
The testing equipment of the electric vehicle charger is equipment for testing the quality of the electric vehicle charger, is widely applied to a production factory building, ensures the factory-leaving quality of the electric vehicle charger, and has higher and higher requirements on the manufacturing process of the testing equipment of the electric vehicle charger along with the continuous development of science and technology.
Generally, when a charger is detected in daily life, the input end of the charger is electrically connected with detection equipment, and the output end of the charger is electrically connected with an electric vehicle battery, so that the phenomenon that the current flowing from the battery to the charger flows backwards easily occurs.
SUMMERY OF THE UTILITY MODEL
The utility model provides a charger testing arrangement and system to the inaccuracy and danger that appear when avoiding the detection current ability of flowing backward.
In a first aspect, an embodiment of the present invention provides a charger testing device, which is characterized in that, include: the device comprises a socket, a current relay module, an indication module, a protection resistor, a battery bin and a switch module;
the live wire end of the socket is electrically connected with the input end of the current relay module; the normally open output end of the current relay module is electrically connected with the input end of the indication module; the normally closed output end of the current relay module is electrically connected with the first end of the protection resistor and the output end of the indication module respectively; the second end of the protection resistor is electrically connected with the zero line end of the socket;
the first end of the switch module is electrically connected with the first end of the battery bin; the second end of the battery bin is electrically connected with the output end of the current relay module; the second end of the switch module is electrically connected with the normally closed output end of the current relay module;
the socket, the current relay module, the indicating module, the protection resistor, the battery compartment and the switch module are arranged on a square protection shell.
Optionally, the socket is arranged at a side opening of the square protective shell; the current relay module, the indicating module and the switch module are arranged at the opening of the front surface of the square protective shell; the battery bin is arranged at the opening of the back of the square protective shell.
Optionally, the square protective housing comprises a first housing and a second housing;
the first shell is clamped with the second shell through a buckle.
Optionally, the indication module comprises at least one LED unit;
the LED units are electrically connected in series.
Optionally, the socket is a multifunctional socket.
Optionally, the current relay module further includes a display unit;
and the display unit is used for displaying the current value passing through the current relay module.
In a second aspect, an embodiment of the present invention provides a charger testing system, which includes the charger testing apparatus of the first aspect, and further includes a charger to be tested; the input end of the charger to be tested is electrically connected with the socket, and the output end of the charger to be tested is electrically connected with a battery of the equipment to be charged.
The utility model discloses a middle charger testing device comprises a socket, a current relay module, an indication module, a protection resistor, a battery compartment and a switch module; the live wire end of the socket is electrically connected with the input end of the current relay module; the normally open output end of the current relay module is electrically connected with the input end of the indication module; the normally closed output end of the current relay module is electrically connected with the first end of the protection resistor and the output end of the indicating module respectively; the second end of the protection resistor is electrically connected with the zero line end of the socket; the first end of the switch module is electrically connected with the first end of the battery cabin; the second end of the battery bin is electrically connected with the output end of the current relay module; the second end of the switch module is electrically connected with the normally closed output end of the current relay module; the socket, the current relay module, the indicating module, the protection resistor, the battery bin and the switch module are arranged on the square protection shell; when the test is started, namely the input end of the charger to be tested is connected with the socket, the output end of the charger to be tested is connected with the external battery, when the switch module controls the battery bin to supply power to the current relay module for working, the live wire of the socket is inserted into the current relay module, and when the backward current flowing to the charger to be tested by the external battery is smaller than a preset value, the backward current is output to a zero line through the normally closed end of the current relay module and the protection resistor; when the backward flow current of the external battery flowing to the charger to be detected is larger than the preset value, the backward flow current is output to the zero line through the normally-open end of the current relay module, the indicating module and the protective resistor, the indicating module works to play a role in warning, the protective resistor plays a role in limiting current, the short circuit of the input end of the charger to be detected is avoided, and the accuracy and the safety of current detection when the current backward flow capacity is detected are realized.
Drawings
Fig. 1 is a schematic circuit structure diagram of a charger testing device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an appearance of a charger testing apparatus according to an embodiment of the present invention;
FIG. 3 is a front view of the charger testing device of FIG. 2;
FIG. 4 is a side view of the charger testing device of FIG. 2;
FIG. 5 is a rear view of the charger testing device of FIG. 2;
fig. 6 is a schematic structural diagram of a charger testing system according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures associated with the present invention are shown in the drawings, not all of them.
Fig. 1 is a schematic circuit structure diagram of a charger testing device according to an embodiment of the present invention;
fig. 2 is a schematic view of an appearance structure of a charger testing device according to an embodiment of the present invention; FIG. 3 is a front view of the charger testing device of FIG. 2; FIG. 4 is a side view of the charger testing device of FIG. 2;
FIG. 5 is a rear view of the charger testing device of FIG. 2; as shown in fig. 1 to 5, the test apparatus includes: the device comprises a socket 10, a current relay module 20, an indication module 30, a protection resistor 40, a battery bin 50 and a switch module 60; the live wire end of the socket 10 is electrically connected with the input end of the current relay module 20; the normally open output end of the current relay module 20 is electrically connected with the input end of the indication module 30; the normally closed output end of the current relay module 20 is electrically connected with the first end of the protection resistor 40 and the output end of the indication module 30 respectively; the second end of the protection resistor 40 is electrically connected with the zero line end of the socket 10; a first end of the switch module 60 is electrically connected with a first end of the battery compartment 50; the second end of the battery bin 50 is electrically connected with the output end of the current relay module 20; a second end of the switch module 60 is electrically connected to the normally closed output end of the current relay module 20; the socket 10, the current relay module 20, the indication module 30, the protection resistor 40, the battery compartment 50 and the switch module 60 are disposed on the square protection housing 01.
When the charger test is started, namely the input end of the charger to be tested is connected with the socket 10, the output end of the charger to be tested is connected with the external battery, when the switch module 60 controls the battery bin 50 to supply power to the current relay module 20 for work, the live wire of the socket 10 is inserted into the current relay module 20, and when the backward current flowing to the charger to be tested from the external battery is smaller than a preset value, the backward current flows back to the zero line through the normally closed end of the current relay module 20 and the protection resistor 40; when the backward flow current of the external battery flowing to the charger to be detected is larger than the preset value, the backward flow current is output to the zero line through the normally-open end of the current relay module 20, the indicating module 30 and the protective resistor 40, the indicating module 30 works to play a role in warning, the protective resistor 40 plays a role in limiting current, and the short circuit of the input end of the charger to be detected is avoided.
Optionally, referring to fig. 2, a socket 10 is disposed at a side opening of the square protective housing 01; a current relay module 20, an indication module 30 and a switch module 60 are arranged at an opening on the front surface of the square protective shell 01; the battery compartment 50 is arranged at an opening on the back surface of the square protective shell 01. The square protective shell 01 is made of an acrylonitrile-butadiene-styrene copolymer material, so that the whole testing device has good flame retardant performance, high strength and good toughness.
Alternatively, referring to fig. 2, the square-shaped protective case 01 includes a first case and a second case; the first shell is clamped with the second shell through a buckle. Or the first shell is fixed with the second shell in a clamping mode through screws, so that the interference of the metal piece on the test result is reduced.
Alternatively, referring to fig. 1-3, the indication module 30 includes at least one LED unit; the LED units are electrically connected in series. The power of each LED unit is small, when the backward flow current is larger than a preset limit value, the preset value is 2mA, and each LED unit is lighted to work to play a warning role.
Optionally, referring to fig. 2 and 4, the socket 10 is a multifunctional socket, so that chargers of different national standards can be tested conveniently, and the test range of the charger testing device is expanded.
Optionally, referring to fig. 1 to 3, the current relay module 20 further includes a display unit; and the display unit is used for displaying the current value passing through the current relay module 20 and detecting the magnitude of the backward flow current in real time.
The embodiment of the present invention further provides a charger testing system, fig. 6 is a schematic structural diagram of another charger testing system provided by the embodiment of the present invention, and as shown in fig. 6, the charger testing system includes the charger testing apparatus described in the above embodiment, and further includes a charger to be tested; the input end of the charger to be tested is electrically connected with the socket, and the output end of the charger to be tested is electrically connected with the battery of the equipment to be charged. The whole charger test system realizes the detection of the backward flow current of the charger to be tested, and has the beneficial effects of the embodiment, and the details are not repeated here.
It should be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles applied thereto. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (7)
1. A charger testing device, comprising: the device comprises a socket, a current relay module, an indication module, a protection resistor, a battery bin and a switch module;
the live wire end of the socket is electrically connected with the input end of the current relay module; the normally open output end of the current relay module is electrically connected with the input end of the indication module; the normally closed output end of the current relay module is electrically connected with the first end of the protection resistor and the output end of the indication module respectively; the second end of the protection resistor is electrically connected with the zero line end of the socket;
the first end of the switch module is electrically connected with the first end of the battery bin; the second end of the battery bin is electrically connected with the output end of the current relay module; the second end of the switch module is electrically connected with the normally closed output end of the current relay module;
the socket, the current relay module, the indicating module, the protection resistor, the battery compartment and the switch module are arranged on a square protection shell.
2. The charger testing device of claim 1, wherein said socket is disposed at a side opening of said square protective housing; the current relay module, the indicating module and the switch module are arranged at the opening of the front surface of the square protective shell; the battery compartment is arranged at the hole in the back of the square protective shell.
3. The charger testing device of claim 1, wherein the square protective housing comprises a first housing and a second housing;
the first shell is clamped with the second shell through a buckle.
4. The charger testing device of claim 1, wherein the indication module comprises at least one LED unit;
the LED units are electrically connected in series.
5. The charger testing device of claim 1, wherein the socket is a multi-function socket.
6. The charger testing device of claim 1, wherein the current relay module further comprises a display unit;
and the display unit is used for displaying the current value passing through the current relay module.
7. A charger testing system comprising the charger testing apparatus as claimed in any one of claims 1 to 6, and further comprising a charger under test; the input end of the charger to be tested is electrically connected with the socket, and the output end of the charger to be tested is electrically connected with a battery of the equipment to be charged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221040360.0U CN217879445U (en) | 2022-04-29 | 2022-04-29 | Charger testing arrangement and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221040360.0U CN217879445U (en) | 2022-04-29 | 2022-04-29 | Charger testing arrangement and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217879445U true CN217879445U (en) | 2022-11-22 |
Family
ID=84089529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221040360.0U Active CN217879445U (en) | 2022-04-29 | 2022-04-29 | Charger testing arrangement and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217879445U (en) |
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2022
- 2022-04-29 CN CN202221040360.0U patent/CN217879445U/en active Active
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