CN206161824U - 5V, 12V 5A DC power supply tester - Google Patents
5V, 12V 5A DC power supply tester Download PDFInfo
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- CN206161824U CN206161824U CN201621024631.8U CN201621024631U CN206161824U CN 206161824 U CN206161824 U CN 206161824U CN 201621024631 U CN201621024631 U CN 201621024631U CN 206161824 U CN206161824 U CN 206161824U
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- switch
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- current divider
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Abstract
The utility model provides a 5V, 12V 5A DC power supply tester, including time -recorder, fan, 14 DC digital display tables, 10 shunts, a plurality of resistance, a plurality of switch, working power supply's anode switching is connected with the switch of common port negative pole through the tenth shunt, the current terminal of the tenth shunt inserts this return circuit, and 1 DC digital display table that is used for measuring current is connected to the current potential end of the tenth shunt, 1 joinable is used for measuring voltage's DC digital display table between working power supply's anode switching and the negative pole switch, time -recorder, fan connect in parallel between the switch of anodal switch of common port and common port negative pole. This tester has the multifunctionality, only needs changing circuitry's wiring method just can carry out the test of different components, test 5V can 5A DC power supply test 12V again 5A DC power supply, this tester operation and structure are simple relatively moreover, and the cost of manufacture is lower.
Description
Technical field
The utility model is related to the technical field of power test equipment, more particularly to a kind of 5V, 12V-5A dc source is surveyed
Examination instrument.
Background technology
Prior art has dc source tester, it is impossible to easily 5V-5A, 12V-5A dc source is surveyed simultaneously
Examination.
The content of the invention
The purpose of this utility model is to provide a kind of 5V, 12V-5A dc source tester, it is intended to solve existing tester
The problem that easily cannot switch between 5V-5A dc source testers, 12V-5A dc source testers.
The utility model solves the technical scheme that its technical problem adopted：
A kind of 5V, 12V-5A dc source tester, including timer, fan, 14 DC digital display meters, 10 current dividers,
Multiple resistance, multiple switch, wherein：
The positive switch of working power is connected by the tenth current divider with the switch of common port negative pole；The electricity of the tenth current divider
Stream is terminated into the loop, and the potential end of the tenth current divider connects 1 DC digital display meter for being used to detect electric current；The positive pole of working power
1 DC digital display meter for measuring voltage can be connected between switch and negative switch；
Timer, fan are connected in parallel between the switch of the switch of common port positive pole and common port negative pole；
Working power is used to be powered for circuit；Timer is used to provide timing；Fan is used for as power component radiating；Resistance
As fictitious load, for discharge and recharge；
The switch of the first current divider, three resistance and the first output end that the switch of first input end passes through sequential series connects
Connect；The potential end of the first current divider connects 1 DC digital display meter for being used to measure electric current, and the potential end near resistance is also defeated with second
Go out the switch connection at end, 1 DC for being used to measure voltage is connected between the switch of first input end and the switch of common port negative pole
Digital display meter；
The switch of the second current divider, two resistance and the 3rd output end that the switch of the second input passes through sequential series connects
Connect；The potential end of the second current divider connects 1 DC digital display meter for being used to measure electric current, and the potential end near resistance is also defeated with the 4th
Go out the switch connection at end；
The switch of the 3rd current divider, two resistance and the 5th output end that the switch of the 3rd input passes through sequential series connects
Connect；The potential end of the 3rd current divider connects 1 DC digital display meter for being used to measure electric current, and the potential end near resistance is also defeated with the 6th
Go out the switch connection at end；
The switch of the 4th current divider, two resistance and the 7th output end that the switch of the 4th input passes through sequential series connects
Connect；The potential end of the 4th current divider connects 1 DC digital display meter for being used to measure electric current, and the potential end near resistance is also defeated with the 8th
Go out the switch connection at end；
The switch of the 5th current divider, two resistance and the 9th output end that the switch of the 5th input passes through sequential series connects
Connect；The potential end of the 5th current divider connects 1 DC digital display meter for being used to measure electric current, and the potential end near resistance is also defeated with the tenth
Go out the switch connection at end, 1 DC for being used to measure voltage is connected between the switch of the 5th input and the switch of common port negative pole
Digital display meter；
The switch of the 6th current divider, two resistance and the 11st output end that the switch of the 6th input passes through sequential series
Connection；The potential end of the 6th current divider connects 1 DC digital display meter for being used to measure electric current, and the potential end near resistance is also with the tenth
The switch connection of two output ends；
The switch of the 7th current divider, three resistance and the 13rd output end that the switch of the 7th input passes through sequential series
Connection；The potential end of the 7th current divider connects 1 DC digital display meter for being used to measure electric current, and the potential end near resistance is also with the tenth
The switch connection of four output ends；
The switch of the 8th current divider, two resistance and the 15th output end that the switch of the 8th input passes through sequential series
Connection；The potential end of the 8th current divider connects 1 DC digital display meter for being used to measure electric current, and the potential end near resistance is also with the tenth
The switch connection of six output ends；
The switch of the 9th current divider, two resistance and the 17th output end that the switch of the 9th input passes through sequential series
Connection；The potential end of the 9th current divider connects 1 DC digital display meter for being used to measure electric current, and the potential end near resistance is also with the tenth
The switch connection of eight output ends, 1 is connected between the switch of the 9th input and the switch of common port negative pole is used to measure voltage
DC digital display meters.
On the basis of above-described embodiment, further, also including 14 5V electricity being connected with 14 DC digital display meters respectively
Source, the two ends of 5V power supplys switch respectively with common port positive pole, the switch of common port negative pole are connected, for for the confession of DC digital display meters
Electricity.
On the basis of above-mentioned any embodiment, further, the voltage between common port positive pole and common port negative pole is
220V。
On the basis of above-mentioned any embodiment, further, resistance is 20W resistance.
The beneficial effects of the utility model are：
The utility model provides a kind of 5V, 12V-5A dc source tester, and the tester has multifunctionality, only needs
The mode of connection for changing circuit can be carried out the test of different elements, can test 5V-5A dc sources, and can test
12V-5A dc sources, and the tester operation and structure are relatively easy, and cost of manufacture is relatively low.
Description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 shows that a kind of circuit of 5V, 12V-5A dc source tester that the utility model embodiment is provided is illustrated
Figure.
In figure, 1～9 is first input end～the 9th input, and 101～118 is the first output end～the 18th output end,
120th, common port negative pole.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to the utility model.It should be appreciated that specific embodiment described herein is only to explain this
Utility model, does not limit the utility model.
The utility model embodiment provide a kind of 5V, 12V-5A dc source tester, including timer, fan, 14
Individual DC digital display meters, 10 current dividers, multiple resistance, multiple switches, wherein：
The positive switch of working power is connected by the tenth current divider with the switch of common port negative pole；The electricity of the tenth current divider
Stream is terminated into the loop, and the potential end of the tenth current divider connects 1 DC digital display meter for being used to detect electric current；The positive pole of working power
1 DC digital display meter for measuring voltage can be connected between switch and negative switch；
Timer, fan are connected in parallel between the switch of the switch of common port positive pole and common port negative pole；
Working power is used to be powered for circuit；Timer is used to provide timing；Fan is used for as power component radiating；Resistance
As fictitious load, for discharge and recharge；
The switch of the first current divider, three resistance and the first output end that the switch of first input end passes through sequential series connects
Connect；The potential end of the first current divider connects 1 DC digital display meter for being used to measure electric current, and the potential end near resistance is also defeated with second
Go out the switch connection at end, 1 DC for being used to measure voltage is connected between the switch of first input end and the switch of common port negative pole
Digital display meter；
The switch of the second current divider, two resistance and the 3rd output end that the switch of the second input passes through sequential series connects
Connect；The potential end of the second current divider connects 1 DC digital display meter for being used to measure electric current, and the potential end near resistance is also defeated with the 4th
Go out the switch connection at end；
The switch of the 3rd current divider, two resistance and the 5th output end that the switch of the 3rd input passes through sequential series connects
Connect；The potential end of the 3rd current divider connects 1 DC digital display meter for being used to measure electric current, and the potential end near resistance is also defeated with the 6th
Go out the switch connection at end；
The switch of the 4th current divider, two resistance and the 7th output end that the switch of the 4th input passes through sequential series connects
Connect；The potential end of the 4th current divider connects 1 DC digital display meter for being used to measure electric current, and the potential end near resistance is also defeated with the 8th
Go out the switch connection at end；
The switch of the 5th current divider, two resistance and the 9th output end that the switch of the 5th input passes through sequential series connects
Connect；The potential end of the 5th current divider connects 1 DC digital display meter for being used to measure electric current, and the potential end near resistance is also defeated with the tenth
Go out the switch connection at end, 1 DC for being used to measure voltage is connected between the switch of the 5th input and the switch of common port negative pole
Digital display meter；
The switch of the 6th current divider, two resistance and the 11st output end that the switch of the 6th input passes through sequential series
Connection；The potential end of the 6th current divider connects 1 DC digital display meter for being used to measure electric current, and the potential end near resistance is also with the tenth
The switch connection of two output ends；
The switch of the 7th current divider, three resistance and the 13rd output end that the switch of the 7th input passes through sequential series
Connection；The potential end of the 7th current divider connects 1 DC digital display meter for being used to measure electric current, and the potential end near resistance is also with the tenth
The switch connection of four output ends；
The switch of the 8th current divider, two resistance and the 15th output end that the switch of the 8th input passes through sequential series
Connection；The potential end of the 8th current divider connects 1 DC digital display meter for being used to measure electric current, and the potential end near resistance is also with the tenth
The switch connection of six output ends；
The switch of the 9th current divider, two resistance and the 17th output end that the switch of the 9th input passes through sequential series
Connection；The potential end of the 9th current divider connects 1 DC digital display meter for being used to measure electric current, and the potential end near resistance is also with the tenth
The switch connection of eight output ends, 1 is connected between the switch of the 9th input and the switch of common port negative pole is used to measure voltage
DC digital display meters.
As shown in figure 1, during test, the tester can carry out 9 roads and test simultaneously：
3 groups of 12V/18A working powers are accessed in input 1～3, output end 101～109 can be used as 12V/5A Graphenes electricity
Pond current-limiting charge interface, it is noted that all charging currents are added up no more than 18A during charging, can otherwise cause working power to surpass
Carry protection；
3 groups of 12V/18A working powers are accessed in input 1～3, not during charging measurement, input 1～3 can be used as 5V/2A
Super electric precious USB discharge ports；
9 road 12V/5A test power supplys are accessed in input 1～9, output end 110～118 can be super electric as finished product 12V/5A
Precious charging inlet；
The end of input 1～9 with short circuit row 1～3,4～6,7～9 per 3 end short circuits, output end 101～109 and public negative pole
Short circuit is arranged with short circuit, test can be charged simultaneously to 3 12V/5A power supply adaptors.
The tester that the utility model embodiment is provided has multifunctionality, it is only necessary to which the mode of connection for changing circuit can
To carry out the test of different elements, 5V-5A dc sources can be tested, 12V-5A dc sources, and the test can be tested again
Instrument is operated and structure is relatively easy, and cost of manufacture is relatively low.The applicable dc source of the tester includes battery class, direct current
Source adapter class, charger baby class.
The utility model embodiment is not limited number of fans, it is preferred that its quantity can be 2.
On the basis of above-described embodiment, it is preferred that 14 5V being connected with 14 DC digital display meters respectively can also be included
Power supply, the two ends of 5V power supplys switch respectively with common port positive pole, the switch of common port negative pole are connected, for for the confession of DC digital display meters
Electricity.
The utility model embodiment is not limited the voltage that working power is provided, on the basis of above-mentioned any embodiment
On, it is preferred that the cathode voltage of working power can be 220V.220V is the supply voltage of common electrical equipment, applied widely.
The utility model embodiment is not limited the power of resistance, on the basis of above-mentioned any embodiment, it is preferred that
Resistance can be 20W resistance.
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the utility model can
To be mutually combined；Although the utility model has been carried out a certain degree of description, it will be apparent that, without departing from essence of the present utility model
Under conditions of god and scope, the appropriate change of each condition can be carried out.It is appreciated that the utility model is not limited to the embodiment party
Case, and it is attributed to the scope of claim, it includes the equivalent of each factor.
Claims (4)
1. a kind of 5V, 12V-5A dc source tester, it is characterised in that including timer, fan, 14 DC digital display meters, 10
Individual current divider, multiple resistance, multiple switch, wherein：
The positive switch of working power is connected by the tenth current divider with the switch of common port negative pole；The current terminal of the tenth current divider
Loop between the positive switch of cut-in operation power supply and the switch of common port negative pole, the potential end of the tenth current divider connects 1
For detecting the DC digital display meters of electric current；1 can be connected between the positive switch and negative switch of working power for measuring voltage
DC digital display meters；
Timer, fan are connected in parallel between the switch of the switch of common port positive pole and common port negative pole；
Working power is used to be powered for circuit；Timer is used to provide timing；Fan is used for as power component radiating；Resistance conduct
Fictitious load, for discharge and recharge；
The switch of first input end is connected by the first current divider of sequential series, three resistance with the switch of the first output end；
The potential end of the first current divider connects 1 DC digital display meter for being used to measure electric current, and the potential end near resistance is also exported with second
The switch connection at end, connects 1 DC number for being used to measure voltage between the switch of first input end and the switch of common port negative pole
Aobvious table；
The switch of the second input is connected by the second current divider of sequential series, two resistance with the switch of the 3rd output end；
The potential end of the second current divider connects 1 DC digital display meter for being used to measure electric current, and the potential end near resistance is also exported with the 4th
The switch connection at end；
The switch of the 3rd input is connected by the 3rd current divider of sequential series, two resistance with the switch of the 5th output end；
The potential end of the 3rd current divider connects 1 DC digital display meter for being used to measure electric current, and the potential end near resistance is also exported with the 6th
The switch connection at end；
The switch of the 4th input is connected by the 4th current divider of sequential series, two resistance with the switch of the 7th output end；
The potential end of the 4th current divider connects 1 DC digital display meter for being used to measure electric current, and the potential end near resistance is also exported with the 8th
The switch connection at end；
The switch of the 5th input is connected by the 5th current divider of sequential series, two resistance with the switch of the 9th output end；
The potential end of the 5th current divider connects 1 DC digital display meter for being used to measure electric current, and the potential end near resistance is also exported with the tenth
The switch connection at end, connects 1 DC number for being used to measure voltage between the switch of the 5th input and the switch of common port negative pole
Aobvious table；
The switch of the 6th current divider, two resistance and the 11st output end that the switch of the 6th input passes through sequential series connects
Connect；The potential end of the 6th current divider connects 1 DC digital display meter for being used to measure electric current, and the potential end near resistance is also with the 12nd
The switch connection of output end；
The switch of the 7th current divider, three resistance and the 13rd output end that the switch of the 7th input passes through sequential series connects
Connect；The potential end of the 7th current divider connects 1 DC digital display meter for being used to measure electric current, and the potential end near resistance is also with the 14th
The switch connection of output end；
The switch of the 8th current divider, two resistance and the 15th output end that the switch of the 8th input passes through sequential series connects
Connect；The potential end of the 8th current divider connects 1 DC digital display meter for being used to measure electric current, and the potential end near resistance is also with the 16th
The switch connection of output end；
The switch of the 9th current divider, two resistance and the 17th output end that the switch of the 9th input passes through sequential series connects
Connect；The potential end of the 9th current divider connects 1 DC digital display meter for being used to measure electric current, and the potential end near resistance is also with the 18th
The switch connection of output end, 1 is connected between the switch of the 9th input and the switch of common port negative pole is used to measure voltage
DC digital display meters.
2. 5V, 12V-5A dc source tester according to claim 1, it is characterised in that also including respectively with 14
14 5V power supplys of DC digital display meters connection, the two ends of 5V power supplys switch, the switch of common port negative pole respectively with common port positive pole
Connection, for powering for DC digital display meters.
3. 5V, 12V-5A dc source tester according to claim 1 and 2, it is characterised in that common port positive pole and public affairs
The voltage between negative pole is held to be 220V altogether.
4. 5V, 12V-5A dc source tester according to claim 1 and 2, it is characterised in that resistance is 20W resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621024631.8U CN206161824U (en) | 2016-08-31 | 2016-08-31 | 5V, 12V 5A DC power supply tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621024631.8U CN206161824U (en) | 2016-08-31 | 2016-08-31 | 5V, 12V 5A DC power supply tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206161824U true CN206161824U (en) | 2017-05-10 |
Family
ID=58650888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621024631.8U Active CN206161824U (en) | 2016-08-31 | 2016-08-31 | 5V, 12V 5A DC power supply tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206161824U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112858768A (en) * | 2021-01-07 | 2021-05-28 | 力高(山东)新能源技术有限公司 | Circuit and method for improving current detection precision of current divider |
-
2016
- 2016-08-31 CN CN201621024631.8U patent/CN206161824U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112858768A (en) * | 2021-01-07 | 2021-05-28 | 力高(山东)新能源技术有限公司 | Circuit and method for improving current detection precision of current divider |
| CN112858768B (en) * | 2021-01-07 | 2022-12-16 | 力高(山东)新能源技术股份有限公司 | Circuit and method for improving current detection precision of current divider |
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