CN105743166A - Programmable power supply and electronic equipment detection system - Google Patents
Programmable power supply and electronic equipment detection system Download PDFInfo
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- CN105743166A CN105743166A CN201610172330.8A CN201610172330A CN105743166A CN 105743166 A CN105743166 A CN 105743166A CN 201610172330 A CN201610172330 A CN 201610172330A CN 105743166 A CN105743166 A CN 105743166A
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- power supply
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/001—Measuring interference from external sources to, or emission from, the device under test, e.g. EMC, EMI, EMP or ESD testing
- G01R31/002—Measuring interference from external sources to, or emission from, the device under test, e.g. EMC, EMI, EMP or ESD testing where the device under test is an electronic circuit
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Power Sources (AREA)
Abstract
The invention discloses a programmable power supply and an electronic equipment detection system. The programmable power supply comprises a universal serial bus (USB) interface and a parameter output unit, wherein the power supply positive electrode pin of the USB interface is connected with the positive electrode output end of the programmable power supply; the power supply negative electrode pin of the USB interface is connected with the negative electrode output end of the programmable power supply; the data positive electrode pin and the data negative electrode pin of the USB interface are short circuited; the USB interface is used for being connected with a USB connecting line matched with equipment under test; the parameter output unit is used for outputting operating parameters; and after the equipment under test is connected with the programmable power supply through the USB connecting line by a tester, the power utilization parameters of the equipment under test can be obtained according to the operating parameters output by the parameter output unit. Therefore, when the power utilization parameters of the equipment under test are obtained according to the embodiments of the invention, the power utilization parameters of the equipment under test can be tested by the external programmable power supply, so that the power utilization parameters of the equipment under test can be obtained without embedding a battery chip in the equipment under test; and consequently, the test cost and the production cost of the electronic equipment can be reduced.
Description
Technical field
The present embodiments relate to electronic equipment detection technique, particularly relate to a kind of programmable power supply and electronic equipment detection system.
Background technology
Along with the development of electronic equipment, user is more and more higher for the battery request of electronic equipment.In order to improve the yield rate of battery, manufacturer is before electronic equipment (such as mobile phone) dispatches from the factory, it will usually the battery of mobile phone is charged test.
When being charged testing, it is common to use the power consumption parameter (such as current parameters or voltage parameter etc.) of mobile phone is tested by the battery chip that interior of mobile phone embeds.But, this battery chip price costly, all embeds this chip on every mobile phone, and testing cost and the production cost of mobile phone will be significantly increased.
Summary of the invention
The present invention provides a kind of programmable power supply and electronic equipment detection system, to realize saving while the power consumption parameter to electronic equipment measures testing cost and the production cost of electronic equipment.
First aspect, embodiments provide a kind of programmable power supply, including: USB (universal serial bus) (UniversalSerialBus, it is called for short USB) interface and parameter output unit, the positive source pin of described USB interface is connected with the cathode output end of described programmable power supply, the power cathode pin of described USB interface is connected with the cathode output end of described programmable power supply, the data positive pole pin of described USB interface and data negative pin short circuit, described USB interface is for being connected with the USB connecting line of equipment under test coupling, described parameter output unit is used for output services parameter.
Second aspect, the embodiment of the present invention additionally provides a kind of electronic equipment detection system, programmable power supply shown in the USB connecting line mated with described equipment under test including equipment under test and first aspect, described USB connecting line one end connects described equipment under test, and the other end connects described programmable power supply.
Embodiments providing a kind of programmable power supply with USB interface, equipment under test can be attached by USB connecting line and programmable power supply.Due to the positive source pin of programmable power supply USB interface be connected with cathode output end, power cathode pin is connected with cathode output end, equipment under test can be obtained electric energy by the USB interface of programmable power supply and is connected with programmable power supply.After tester uses USB connecting line equipment under test and programmable power supply to be attached, the power consumption parameter of equipment under test can be obtained according to the running parameter (such as current parameters or voltage parameter) of parameter output unit output.Therefore, the embodiment of the present invention is when obtaining the power consumption parameter of equipment under test, the power consumption parameter of equipment under test can be tested by external programmable power supply, and then the power consumption parameter of equipment under test can be got without embedding battery chip in equipment under test, save testing cost and the production cost of electronic equipment.
Accompanying drawing explanation
The structural representation of a kind of programmable power supply that Fig. 1 provides for the embodiment of the present invention one；
Fig. 2 is the pin configuration schematic diagram of a kind of USBA type interface that the embodiment of the present invention one provides；
Fig. 3 is the structural representation of a kind of programmable power supply that the embodiment of the present invention two provides；
Fig. 4 is the pin configuration schematic diagram of a kind of mother's USBType-C mouth interface that the embodiment of the present invention two provides；
Fig. 5 is the pin configuration schematic diagram of a kind of USBType-C public affairs mouth interface that the embodiment of the present invention two provides；
Fig. 6 is the schematic diagram of a kind of electronic equipment detection system that the embodiment of the present invention five provides；
Fig. 7 is the schematic diagram of a kind of electronic equipment detection system that the embodiment of the present invention seven provides.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in further detail.It is understood that specific embodiment described herein is used only for explaining the present invention, but not limitation of the invention.It also should be noted that, for the ease of describing, accompanying drawing illustrate only part related to the present invention but not entire infrastructure.
Embodiment one
The structural representation of a kind of programmable power supply 1 that Fig. 1 provides for the embodiment of the present invention one, including: general-purpose serial bus USB interface and parameter output unit, the positive source pin of described USB interface is connected with the cathode output end of described programmable power supply 1, the power cathode pin of described USB interface is connected with the cathode output end of described programmable power supply 1, the data positive pole pin of described USB interface and data negative pin short circuit, described USB interface is for being connected with the USB connecting line 3 of equipment under test 2 coupling, and described parameter output unit is used for output services parameter.
Wherein, equipment under test 2 is electronic equipment, and electronic equipment can be the electronic equipment that mobile phone (smart mobile phone or non intelligent mobile phone), panel computer, notebook computer, intelligence wearable device etc. carry battery.Programmable power supply 1 is for producing adjustable, the stable high-power power-frequency voltage of amplitude, frequency, phase angle, current signal.It is mainly used in electric current, voltage, phase place, frequency, the test of power meter and calibrating；Also can matching standard power ammeter, the elementary error of electric energy meter (kilowatt-hour meter), shunt running, sensitivity are verified and examine and determine.Exemplary, three-phase program-controlled precision measurement power supply, single-phase programme control precision test power supply or DC current regulator power supply etc. can be used.Preferably, Agilent66319D programmable power supply or Agilent 66319D type programmable power supply are used.Parameter output unit can be display screen, it is preferred to LCDs.
The outfan of existing programmable power supply 1 includes cathode output end (also known as power end) and cathode output end (also known as earth terminal), and cathode output end is defeated high potential end, and cathode output end is low potential end.Cathode output end and cathode output end are jack type port, for being connected with the wire with plug.But, this mode cannot be applied in the middle of the detection of electronic equipment, so not using programmable power supply 1 as the situation of the instrument of the battery measurement of electronic equipment (especially mobile phone) in prior art.
The embodiment of the present invention adds USB interface on the shell of programmable power supply 1, it is preferred to female mouth.For USBA type interface, as in figure 2 it is shown, this USB interface includes positive source pin (VBUS), power cathode pin (GND), data positive pole (data+) pin and data negative pole (data-) pin.Wherein, the positive source pin of USB interface is connected with the cathode output end of programmable power supply 1, the power cathode pin of USB interface is connected with the cathode output end of programmable power supply 1, data positive pole (data+) pin and data negative pole (data-) pin short circuit.Optionally, when short circuit data positive pole (data+) pin and data negative pole (data-) pin, use soldering appliance or conductive wire connection tool by data positive pole (data+) pin and data negative pole (data-) pin short circuit.
Each pin of USB interface (female mouth) is conductive material, and each pin of the USB interface (public mouth) of the USB connecting line 3 for mating with equipment under test 2 cooperates.
After using USB connecting line 3 programmable power supply 1 and equipment under test 2 to be attached, equipment under test 2 (such as mobile phone) can judge cable type.Concrete, whether equipment under test 2 (such as mobile phone), when judging the type of cable that USB interface is inserted, is 0 by judging the electric potential difference between data positive pole (data+) pin of USB interface and data negative pole (data-) pin.Not there is data positive pole (data+) pin and data negative pole (data-) pin due to power line, therefore when equipment under test 2 (such as mobile phone) get the electric potential difference between data positive pole (data+) pin and data negative pole (data-) pin be 0 time, it is determined that USB interface insert be power line；Otherwise, if not being 0, then illustrate that data positive pole pin and data negative pin have a function of transmission data, and then what judge that USB interface inserts is data wire.When judging that USB interface inserts power line, illustrating that the charger that equipment under test 2 connects is mark punching, then battery is carried out normal charge (5 volts, 0.5 ampere charging standard) by equipment under test 2.
Present embodiments providing a kind of programmable power supply 1 with USB interface, equipment under test 2 can pass through USB connecting line 3 and be attached with programmable power supply 1.Due to the positive source pin of programmable power supply USB interface be connected with cathode output end, power cathode pin is connected with cathode output end, equipment under test 2 can be obtained electric energy by the USB interface of programmable power supply 1 and is connected with programmable power supply 1.After tester uses USB connecting line 3 equipment under test 2 and programmable power supply 1 to be attached, the power consumption parameter of equipment under test 2 can be obtained according to the running parameter (such as current parameters or voltage parameter) of parameter output unit output.Therefore, the present embodiment is when obtaining the power consumption parameter of equipment under test 2, the power consumption parameter of equipment under test 2 can be tested by external programmable power supply 1, and then the power consumption parameter of equipment under test 2 can be got without embedding battery chip in equipment under test 2, save testing cost and the production cost of electronic equipment.
Embodiment two
The embodiment of the present invention additionally provides a kind of programmable power supply 1, as further illustrating embodiment one.Along with the development of USB technology, being proposed a kind of new-type USB interface technology, this technology becomes USBType-C interface (also known as USB-C), is usually located at the bottom of smart mobile phone, is used for charging, the purposes such as data transmission time most of.One feature of Type-C two-sided inserting interface is to support the two-sided insertion of USB interface, solves the technical barrier of " the eternal inaccurate plug of USB ", it is achieved positive and negative all can be inserted into.
Further, as it is shown on figure 3, the described USB interface of programmable power supply 1 is USBType-C interface.
Further, the voltage bus (V of the cathode output end of described programmable power supply 1 and described USBType-C interfaceBUS) pin connection；The cathode output end of described programmable power supply 1 is connected with the grounding pin (GND) of described Type-C interface.In USBType-C interface, voltage bus (VBUS) pin is positive source pin；Grounding pin (GND) is power cathode pin.
Concrete, the cathode output end of described programmable power supply 1 is connected with 4 voltage bus pins of described USBType-C interface；
The cathode output end of described programmable power supply 1 is connected with 4 grounding pins of described Type-C interface.
Each pin of mother's USB mouth of Type-C is arranged as shown in Figure 4, and USBType-C interface is made up of A group pin and B group pin.A group pin is made up of A1～A12, respectively GND, TX1+, TX1-, VBUS、CC1、D+、D-、SBU1、VBUS、RX2-、RX2+、GND.B group pin is made up of B1～B12, respectively GND, TX2+, TX2-, VBUS、CC2、D+、D-、SBU2、VBUS、RX2-、RX2+、GND。
USB connecting line 3 is correspondingly provided with USBType-C public affairs mouth interface, as it is shown in figure 5, USBType-C male mouth interface is provided with the pin corresponding with female mouth interface, for instance A1, A12, B1, B12 are GND, A4, A9, B4, B9 is VBUS。
Wherein, VBUSBe equivalent to the positive source pin of USB interface, GND is equivalent to the power cathode pin of USB interface, and D+ is equivalent to data positive pole (data+) pin, and D-is equivalent to data negative pole (data-) pin.Therefore, the positive source pin of USB interface is connected with the cathode output end of programmable power supply 1, particularly as follows: be connected with the cathode output end of programmable power supply 1 respectively by tetra-pins of A4, A9, B4, B9.The power cathode pin of USB interface is connected with the cathode output end of described programmable power supply 1, particularly as follows: be connected with the cathode output end of programmable power supply 1 respectively by tetra-pins of A1, A12, B12, B1.The data positive pole pin of described USB interface and data negative pin short circuit, particularly as follows: by A6, A7 short circuit, by B6, B7 short circuit.
Optionally, USBType-C interface adopts USB2.0 standard.
The technical scheme that the present embodiment provides, use USBType-C interface as the interface coordinated with USB connecting line 3, owing to USBType-C interface has certain symmetry on pin is arranged, therefore it is possible not only to export electric energy to equipment under test 2, also support two-sided insertion so that whether user is correct without the direction of insertion differentiating USB interface, and then simplifies user operation, accelerate test rate, improve Consumer's Experience.
Embodiment three
The embodiment of the present invention additionally provides a kind of programmable power supply 1, as further illustrating embodiment one.Further, described running parameter is current parameters or voltage parameter.
Concrete, described programmable power supply 1 is used for providing 5V voltage or 0.5A electric current.
When programmable power supply 1 is by USBType-C interface output 5V voltage, be equivalent to USB2.0 USB interface specify to point voltage.Meanwhile, programmable power supply 1 can also realize the electric current that output is constant, it is preferred to output 0.5A electric current.Now, as long as programmable power supply 1 exports 5V voltage, be just equivalent to a standard charger so that programmable power supply 1 can analog power adapter, and then provide test environment for measuring equipment under test 2 power consumption parameter in the charge state.
Embodiment four
The embodiment of the present invention additionally provides a kind of programmable power supply 1, as further illustrating embodiment one.Further, other pins of described USBType-C interface are empty, and other pins described are the pin in USBType-C interface except positive source pin, power cathode pin, data positive pole pin and data negative pin.
With reference to Fig. 4, except A1, A12, B12, B1 of being connected with programmable power supply 1 cathode output end；B6, B7 of A4, A9, B4, B9 of being connected with programmable power supply 1 cathode output end and A6, A7 of short circuit and short circuit, remaining pin is referred to as other pins.When pin is empty, pin passes through without the signal of telecommunication, and other pins all will not be identified and process by programmable power supply 1 and equipment under test 2.
The programmable power supply 1 that the present embodiment provides, it is possible to prevent other pins by false touch, improve the safety of programmable power supply 1.
Embodiment five
The schematic diagram of a kind of electronic equipment detection system that Fig. 6 provides for the embodiment of the present invention, described electronic equipment detection system realizes a kind of electronic equipment detection system for the programmable power supply 1 that one to embodiment four in conjunction with the embodiments provides.Electronic equipment detection system includes: programmable power supply 1, USB connecting line 3 one end shown in USB connecting line 3 that equipment under test 2 mate with equipment under test 2 and embodiment one to embodiment four connects described equipment under test 2, other end connection programmable power supply 1.
It should be noted that owing to the shape of the USB interface on different equipment under tests 2 is not quite similar, therefore when selecting USB connecting line 3, it should select the USB connecting line 3 of equipment under test 2 coupling.Current electronic equipment coupling USB connecting line 3 can coordinate with the USBA type mother's mouth on computer carry out data transmission and low-power charge (relative to standard charging).Additionally, USB connecting line 3 can also coordinate with the USBA type mother's mouth on power supply adaptor, carry out standard charging.
Optionally, one end that USB connecting line 3 is connected with programmable power supply 1 is USBA type public affairs mouth.The male mouth of A type of USB connecting line 3 one end mates with the USBA type mother's mouth on programmable power supply 1.Mother's USB mouth Interface Matching of one end that USB connecting line 3 is connected with equipment under test 2 and equipment under test 2.
Exemplary, interface that USB connecting line 3 is connected with equipment under test 2 can any one in following USB interface:
B-5Pin (Type B 5 pin) interface, B-4Pin (Type B 4 pin) interface, B-8Pin (Type B 8 pin), MicroUSB.
Further, it is possible to preparing the translation interface that above-mentioned different USB interface is corresponding in advance, translation interface one end can be inserted into any one USB interface above-mentioned, and the other end is USBA type public affairs mouth.
Further, if the distance between equipment under test 2 and programmable power supply 1 is long, cause that cannot pass through a USB connecting line 3 be attached, then can use and at least one be attached with USB extended line.Preferably, USB extended line one end is USBA type public affairs mouth, and the other end is USBA type mother's mouth.
Further, can be attached by wired connection mode or radio connection between program-controlled equipment and control terminal 4.When adopting wired connection mode to be attached, can passing through netting twine (TwistedPair, twisted-pair feeder) and be attached, programmable power supply 1 configures network interface card so that netting twine carries out adaptation.When adopting radio connection, the transmission of data can be carried out by the radio connection such as Wi-Fi or bluetooth.
When the electronic equipment detection system using the embodiment of the present invention to provide, first tester finds the USB connecting line 3 that equipment under test 2 mates, then one end of USB connecting line 3 is connected with programmable power supply 1 (whether the direction of insertion needing artificial cognition USB public affairs mouth is correct), the other end of USB connecting line 3 is connected with equipment under test 2 (whether the direction of insertion needing artificial cognition USB public affairs mouth is correct).After connection, user controls programmable power supply 1 and exports constant current (or constant voltage).When programmable power supply 1 enters duty, programmable power supply 1 shows the constant current of its output (or voltage) by display.Testing staff can determine the corresponding power consumption parameter of equipment under test 2 by reading the running parameter (such as current value or magnitude of voltage etc.) of programmable power supply 1 display, while not using the built-in battery chip of equipment under test 2 (such as mobile phone), obtained the power consumption parameter of equipment under test 2 (such as mobile phone) by external measurement devices, save testing cost and production cost.
Embodiment six
The embodiment of the present invention six provides a kind of electronic equipment detection system, and with reference to Fig. 3, further, described USB connecting line 3 is connected by USBType-C interface with described programmable power supply 1.Concrete, the male mouth interface of USBType-C in USB interface and the mother's USBType-C mouth Interference fit on programmable power supply 1, by the interference fit between male mouth and female mouth, USB connecting line 3 and programmable power supply 1 are attached.
When the electronic equipment detection system using the embodiment of the present invention to provide, first tester finds the USB connecting line 3 that equipment under test 2 mates, and is then connected with programmable power supply 1 one end of USB connecting line 3, is connected with equipment under test 2 by the other end of USB connecting line 3.During insertion, it is not necessary to differentiate that whether the direction of insertion of USB public affairs mouth is correct.After connection, user controls programmable power supply 1 and exports constant current (or constant voltage).When programmable power supply 1 enters duty, programmable power supply 1 shows the constant current of its output (or voltage) by display.Testing staff can determine the corresponding power consumption parameter of equipment under test 2 by reading the running parameter (such as current value or magnitude of voltage etc.) of programmable power supply 1 display, while not using the built-in battery chip of equipment under test 2 (such as mobile phone), obtained the power consumption parameter of equipment under test 2 (such as mobile phone) by external measurement devices, save testing cost and production cost.
The technical scheme that the present embodiment provides, owing to Type-C interface has the characteristic of " two-way insertion ", therefore uses Type-C interface to be attached, it is possible to efficiency of assembling to be greatly improved, saves the testing time, improve testing efficiency.
Embodiment seven
The schematic diagram of a kind of electronic equipment detection system that Fig. 7 provides for the embodiment of the present invention seven, further, described system also includes controlling terminal 4, and described programmable power supply 1 is connected with described control terminal 4.
Wherein, programmable power supply 1 can be operated according to the order of described control terminal 4 input.Additionally, programmable power supply 1 can also to described control terminal 4 output services parameter.
Controlling terminal 4 can be notebook computer, PC or server etc., and programmable power supply 1 communicates with controlling terminal 4 by controlling the plug and play excuse of terminal 4.User can control at least one programmable power supply 1 by control terminal 4 and export scheduled current (or voltage) signal.It is preferably 5V voltage, 0.5A electric current.Meanwhile, user can receive the real output value of at least one programmable power supply 1 transmission by controlling terminal 4.Control terminal 4 after receiving the real output value (magnitude of voltage of actual output or current value) that programmable power supply 1 sends, show this real output value.Further, control terminal 4 further to calculate based on this real output value.
The present embodiment can pass through to control terminal 4 and one or more control terminals 4 are controlled, and improves battery testing efficiency.
Note, above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that and the invention is not restricted to specific embodiment described here, various obvious change can be carried out for a person skilled in the art, readjust and substitute without departing from protection scope of the present invention.Therefore, although the present invention being described in further detail by above example, but the present invention is not limited only to above example, when without departing from present inventive concept, other Equivalent embodiments more can also be included, and the scope of the present invention is determined by appended right.
Claims (10)
1. a programmable power supply, it is characterized in that, including: general-purpose serial bus USB interface and parameter output unit, the positive source pin of described USB interface is connected with the cathode output end of described programmable power supply, the power cathode pin of described USB interface is connected with the cathode output end of described programmable power supply, the data positive pole pin of described USB interface and data negative pin short circuit, described USB interface is for being connected with the USB connecting line of equipment under test coupling, and described parameter output unit is used for output services parameter.
2. programmable power supply according to claim 1, it is characterised in that described USB interface is USBType-C interface.
3. programmable power supply according to claim 2, it is characterised in that the cathode output end of described programmable power supply is connected with the voltage bus pin of described USBType-C interface；
The cathode output end of described programmable power supply is connected with the grounding pin of described Type-C interface.
4. programmable power supply according to claim 3, it is characterised in that the cathode output end of described programmable power supply is connected with 4 voltage bus pins of described USBType-C interface；
The cathode output end of described programmable power supply is connected with 4 grounding pins of described Type-C interface.
5. programmable power supply according to claim 3, it is characterized in that, other pins of described USBType-C interface are empty, and other pins described are the pin in USBType-C interface except described positive source pin, described power cathode pin, described data positive pole pin and described data negative pin.
6. programmable power supply according to claim 1, it is characterised in that described running parameter is current parameters or voltage parameter.
7. programmable power supply according to claim 1, it is characterised in that described programmable power supply is used for providing 5V voltage or 0.5A electric current.
8. an electronic equipment detection system, it is characterized in that, programmable power supply according to any one of the USB connecting line mated with described equipment under test including equipment under test and claim 1 to 7, described USB connecting line one end connects described equipment under test, and the other end connects described programmable power supply.
9. electronic equipment according to claim 8 detection system, it is characterised in that described USB connecting line is connected by USBType-C interface with described programmable power supply.
10. electronic equipment according to claim 8 detection system, it is characterised in that also including controlling terminal, described programmable power supply is connected with described control terminal.
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| CN109505463A (en) * | 2019-01-09 | 2019-03-22 | 广东好太太科技集团股份有限公司 | A kind of intelligent door lock with Type-c interface |
| CN111351999A (en) * | 2020-03-27 | 2020-06-30 | 深圳市倍通检测股份有限公司 | Electronic intelligent equipment detection system |
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Application publication date: 20160706 |