CN209460350U - A kind of USB charging measurement jig - Google Patents
A kind of USB charging measurement jig Download PDFInfo
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- CN209460350U CN209460350U CN201920102605.XU CN201920102605U CN209460350U CN 209460350 U CN209460350 U CN 209460350U CN 201920102605 U CN201920102605 U CN 201920102605U CN 209460350 U CN209460350 U CN 209460350U
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Abstract
The utility model provides a kind of USB charging measurement jig, it is related to detecting jig technical field, the USB charging measurement jig includes testboard, the upper end of the testboard is equipped with power supply board and test board, one end of first data line connects to power supply, the other end is equipped with power connection, the power connection is welded with plumb joint, conducting wire is connected on the plumb joint, and the other end of conducting wire is connected with pad, one end of the second data line is connected on the pad, and the other end of the second data line is equipped with USB export head, the USB export head is connected with test board.The utility model overcomes the deficiencies in the prior art, design is reasonable, it is compact-sized, charging measurement directly is carried out to USB by test fixture, it does not need to reduce testing cost, and test process is easy to operate using mobile phone in test process, test number is accurately readable, using production efficiency can be improved in manufacture production.
Description
Technical field
The utility model relates to detect jig technical field, and in particular to a kind of USB charging measurement jig.
Background technique
USB is a kind of serial bus standard and a kind of input/output interface for connecting computer system and external equipment
Technical specification, USB interface is easy to use, power simple and flexible, rely on its high reliability and strong versatility, it is more and more extensive
Be applied to various portable systems in, USB interface production later is detected, avoid the defect of USB interface, cause to provide
The loss in source.
It needs to be used cooperatively by mobile phone and USB data line in existing USB charging measurement, higher cost, and mobile phone USB
Port does not play the role of charging singly, also acts as data-transformation facility, carries out detection USB charge function using this operating method,
Mobile phone and data line service life reduction, for this purpose, we have proposed a kind of USB charging measurement jigs.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of USB charging measurement jig, overcomes the prior art
Deficiency, design is rationally, compact-sized, directly carries out charging measurement to USB by test fixture, does not need to make in test process
With mobile phone, testing cost is reduced, and test process is easy to operate, test number is accurately readable, and use can be in manufacture production
Improve production efficiency.
(2) technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs:
A kind of USB charging measurement jig, including testboard, the upper end of the testboard are equipped with power supply board and test board, and
Power supply board is equipped with the first data line, and one end of first data line connects to power supply, and the other end of the first data line is set
There is power connection, the power connection is welded with plumb joint, and plumb joint is located at the top of power supply board, connects on the plumb joint
There is conducting wire, and the other end of conducting wire is connected with pad, one end of the second data line, and the second data are connected on the pad
The other end of line is equipped with USB export head, and the USB export head is connected with test board, USB export head is connect to progress with test board
Test；
The test board includes USB test mouth, voltage regulator circuit, data detection circuit and logical electrical test circuit, the pressure stabilizing
Circuit is connect with the port VCC of USB test mouth, and the logical electrical test circuit is connect with the port VCC of USB test mouth, the number
There are two according to detection circuit, and connect respectively with the port D+ of USB test mouth and the port D-, passes through the test circuit judges electricity that is powered
Whether road is powered, the voltage value of data detection circuit observation port.
Preferably, the voltage regulator circuit includes first resistor and voltage-stabiliser tube, and the voltage of voltage-stabiliser tube is 5.8v, passes through pressure stabilizing
Protection of pipe light emitting diode.
Preferably, the data detection circuit includes second resistance, 3rd resistor, the 4th resistance, the 5th resistance and voltage
Table, the port D+ and the port D- are Data Detection port, are provided by second resistance, 3rd resistor, the 4th resistance and the 5th resistance
Measure loop detects the voltage value of port by voltmeter.
Preferably, the logical electrical test circuit includes first resistor and light emitting diode, passes through the light on and off of light emitting diode
Whether situation decision circuitry is connected.
Preferably, the upper surface of the testboard is equipped with reset switch, carries out reset operation in test process.
Preferably, the side wall of the testboard is equipped with power switch, controls power supply.
Preferably, the port VCC of the USB test mouth is connected with ammeter, and the electric current of mouth is tested USB by ammeter
It is tested.
(3) beneficial effect
The utility model embodiment provides a kind of USB charging measurement jig.Have it is following the utility model has the advantages that
1, pass through the first data line, power connection, plumb joint, conducting wire, pad, the second data line and USB export head
It is powered with the use of to USB test mouth, does not need to save testing cost using mobile phone.
2, charge detection process in be able to detect that whether circuit is connected, simultaneously for USB port voltage and current into
Row detection, easy to operate, testing result is accurate, substantially increases the production efficiency in manufacture production.
3, the setting of voltage regulator circuit can play a protective role to detection circuit, and extend detection circuit uses the time, subtract
The loss of few device damage, reduces testing cost.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the utility model surface structure schematic diagram；
Fig. 2 is the utility model power supply board structural schematic diagram；
Fig. 3 is the utility model test board electrical block diagram.
In figure: testboard 1, power supply board 2, test board 3, the first data line 4, power connection 5, plumb joint 6, conducting wire 7, welding
The 8, second data line 9 of point, USB export head 10, USB test mouth 11, reset switch 12, power switch 13, first resistor 21, second
Resistance 22,3rd resistor 23, the 4th resistance 24, the 5th resistance 25, voltmeter 26, ammeter 27, voltage-stabiliser tube 31, light emitting diode
32。
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
Referring to attached drawing, a kind of USB charging measurement jig, including testboard 1, the upper end of testboard 1 are equipped with power supply board 2 and survey
Test plate (panel) 3, power supply board 2 are equipped with the first data line 4, and one end of the first data line 4 connects to power supply, and power supply can choose charger baby
The other end of power supply or the end pc charge port, the first data line 4 is connected by power connection 5 and plumb joint 6, and plumb joint 6 is by leading
Line 7 and pad 8 and the connection of the second data line 9, the other end of the second data line 9 pass through on 10 connecting test plate 3 of USB export head
USB test mouth 11, test board 3 includes USB test mouth 11, voltage regulator circuit, data detection circuit and logical electrical test circuit, pressure stabilizing
Circuit and logical electrical test circuit are connect with the port VCC of USB test mouth 11, and data detection circuit has two, surveys respectively with USB
The port D+ of examination mouth 11 is connected with the port D-, and by being powered, whether test circuit judges circuit is powered, data detection circuit opposite end
The data of mouth are detected.
The voltage regulator circuit includes first resistor 21 and voltage-stabiliser tube 31, and the voltage of voltage-stabiliser tube 31 is 5.8v, passes through pressure stabilizing
Pipe 31 guarantees voltage stabilization, avoids voltage is excessive light emitting diode 32 is caused to damage.
The data detection circuit includes second resistance 22,3rd resistor 23, the 4th resistance 24, the 5th resistance 25 and voltage
Table 26, the port D+ and the port D- are Data Detection port, pass through second resistance 22,3rd resistor 23, the 4th resistance 24 and the 5th
Resistance 25 provides measure loop, and voltmeter 26 is detected and read to the voltage of port.
The logical electrical test circuit includes first resistor 21 and light emitting diode 32, and light emitting diode 32, which lights, represents circuit
Conducting.
The upper surface of the testboard 1 is equipped with reset switch 12, is resetted in test process.
The side wall of the testboard 1 is equipped with power switch 13, plays control action to power supply.
The port VCC of the USB test mouth 11 is connected with ammeter 27, and USB is tested to the electricity of mouth 11 by ammeter 27
Current test is simultaneously shown, is directly read.
As shown in Figure 1-3, a kind of USB charging measurement jig working principle is as follows: by one end of the first data line 4 and power supply
Connection, electric current is transmitted to conducting wire 7 by power connection 5 by the other end, and under the action of pad 8, electric current passes to the second data
Electric current is transmitted to USB test mouth 11 by the USB export head 10 of line 9,9 port of the second data line, and VCC is divided by first resistor 21
After stream decompression, it is added to 32 anode of light emitting diode, ignition voltage is provided for light emitting diode 32, is grounded by cathode, form one
Closed circuit observes by the naked eye indicator light at this time and shines, and to determine that USB port power supply is normal, voltage-stabiliser tube 31 is to light-emitting diodes
Pipe 32 is protected, and prevents the effect of foreign voltage mutation damage light emitting diode 32, this voltage-stabiliser tube 31 can be foreign voltage
Stablize in 5V or so, after external voltage is more than 31 range of voltage-stabiliser tube, voltage-stabiliser tube 31 will be connected shorted to earth and play protection work
With adding voltmeter 26 and ammeter 27, read port voltage value and current value after pressure stabilizing.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
Above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；Although referring to aforementioned reality
Example is applied the utility model is described in detail, those skilled in the art should understand that: it still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
It modifies or replaces, the spirit and model of various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (7)
1. a kind of USB charging measurement jig, including testboard (1), it is characterised in that: the upper end of the testboard (1), which is equipped with, to be supplied
Battery plate (2) and test board (3), and power supply board (2) is equipped with the first data line (4), one end of first data line (4) and electricity
Source connection, and the other end of the first data line (4) is equipped with power connection (5), the power connection (5) is welded with plumb joint (6),
And plumb joint (6) is located at the top of power supply board (2), is connected with conducting wire (7) on the plumb joint (6), and the other end of conducting wire (7)
It is connected with pad (8), one end of the second data line (9) is connected on the pad (8), and the second data line (9) is another
End is equipped with USB export head (10), and the USB export head (10) is connected with test board (3)；
The test board (3) includes that USB tests mouth (11), voltage regulator circuit, data detection circuit and logical electrical test circuit, described steady
Volt circuit is connect with the port VCC of USB test mouth (11), and the port VCC of the logical electrical test circuit and USB test mouth (11) connects
It connects, the data detection circuit has two, and connect respectively with the port D+ of USB test mouth (11) and the port D-.
2. a kind of USB charging measurement jig as described in claim 1, it is characterised in that: the voltage regulator circuit includes the first electricity
(21) and voltage-stabiliser tube (31) are hindered, and the voltage of voltage-stabiliser tube (31) is 5.8v.
3. a kind of USB charging measurement jig as described in claim 1, it is characterised in that: the data detection circuit includes the
Two resistance (22), 3rd resistor (23), the 4th resistance (24), the 5th resistance (25) and voltmeter (26), the port D+ and the port D-
For Data Detection port, inspection is provided by second resistance (22), 3rd resistor (23), the 4th resistance (24) and the 5th resistance (25)
Survey time road.
4. a kind of USB charging measurement jig as described in claim 1, it is characterised in that: the logical electrical test circuit includes the
One resistance (21) and light emitting diode (32).
5. a kind of USB charging measurement jig as described in claim 1, it is characterised in that: the upper surface of the testboard (1) is set
There are reset switch (12).
6. a kind of USB charging measurement jig as described in claim 1, it is characterised in that: set on the side wall of the testboard (1)
There are power switch (13).
7. a kind of USB charging measurement jig as described in claim 1, it is characterised in that: the VCC of USB test mouth (11)
Port is connected with ammeter (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920102605.XU CN209460350U (en) | 2019-01-22 | 2019-01-22 | A kind of USB charging measurement jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920102605.XU CN209460350U (en) | 2019-01-22 | 2019-01-22 | A kind of USB charging measurement jig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209460350U true CN209460350U (en) | 2019-10-01 |
Family
ID=68045128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920102605.XU Active CN209460350U (en) | 2019-01-22 | 2019-01-22 | A kind of USB charging measurement jig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209460350U (en) |
-
2019
- 2019-01-22 CN CN201920102605.XU patent/CN209460350U/en active Active
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