CN110501567A - A kind of power consumption test device - Google Patents
A kind of power consumption test device Download PDFInfo
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- CN110501567A CN110501567A CN201910709816.4A CN201910709816A CN110501567A CN 110501567 A CN110501567 A CN 110501567A CN 201910709816 A CN201910709816 A CN 201910709816A CN 110501567 A CN110501567 A CN 110501567A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
- G01R21/06—Arrangements for measuring electric power or power factor by measuring current and voltage
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
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- General Physics & Mathematics (AREA)
- Tests Of Electronic Circuits (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The embodiment of the present application discloses a kind of power consumption test device, and the power consumption test device includes: power consumption test circuit, for testing current component being accessed, to connect the power consumption test circuit in the position of the first capacitor disconnected；The testing current component feeds back the electric current for testing the electric current of the power consumption test circuit, and to controller；The controller, according to the supply voltage of the electric current and the equipment to be tested, determines the power consumption of the equipment to be tested for obtaining the supply voltage of the corresponding equipment to be tested of the power consumption test device.
Description
Technical field
This application involves power consumption test technologies, relate to, but are not limited to a kind of power consumption test device.
Background technique
Connect on power path in the related technology 0 Ohmic resistance effect be the later period debugging can cut off physical connection, go here and there
Upper ammeter or sink current survey electric current, need to increase by 0 ohmic device in this way, fabric swatch sky is also occupied on pcb board
Between；So for complicated electronic product, the power supply of power consumption to be measured is especially more, needs the measurement of power power consumption source network needed for formal plate
Upper many 0 Ohmic resistances of series winding, consume for subsequent debugging measurement of power.But these 0 Ohmic resistances occupy fabric swatch space very much, and
Increase device cost.
Summary of the invention
In order to solve the above technical problems, the embodiment of the present application provides a kind of power consumption test device.
The technical solution of the embodiment of the present application is achieved in that
The embodiment of the present application provides a kind of power consumption test device, and described device includes:
Power consumption test circuit, for testing current component being accessed, to connect in the position of the first capacitor disconnected
State power consumption test circuit；
The testing current component feeds back the electricity for testing the electric current of the power consumption test circuit, and to controller
Stream；
The controller, for obtaining the supply voltage of the corresponding equipment to be tested of the power consumption test device, according to institute
The supply voltage for stating electric current and the equipment to be tested determines the power consumption of the equipment to be tested.
The embodiment of the present application provides a kind of power consumption test device, which includes: power consumption test circuit, in the company of disconnection
Testing current component is accessed, to connect the power consumption test circuit in the position of the first capacitor connect；The testing current component,
The electric current is fed back for testing the electric current of the power consumption test circuit, and to controller；The controller, it is described for obtaining
The supply voltage of the corresponding equipment to be tested of power consumption test device, according to the electric current and the power supply of the equipment to be tested electricity
Pressure, determines the power consumption of the equipment to be tested；In this way, accessing testing current component, in this way at the first capacitor disconnected
In the case where not needing to access 0 extra Ohmic resistance in power consumption test circuit, it still can treat test equipment and carry out function
Consumption detection, can vacate more fabric swatch spaces, can also save device cost.
Detailed description of the invention
Fig. 1 is the composed structure schematic diagram of the embodiment of the present application power consumption test device；
Fig. 2A is another composed structure schematic diagram of the embodiment of the present application power consumption test device；
Fig. 2 B is the another composed structure schematic diagram of the embodiment of the present application power consumption test device；
Fig. 3 A is the circuit diagram for the series resistance that the embodiment of the present application includes；
Fig. 3 B is the circuit board drawing of the circuit for the series resistance that the embodiment of the present application includes；
Fig. 3 C is the circuit diagram that the embodiment of the present application carries out power consumption test by the way of series resistance；
Fig. 3 D is the circuit board drawing that the embodiment of the present application carries out power consumption test by the way of series resistance；
Fig. 3 E is the circuit diagram of the embodiment of the present application power consumption test device；
Fig. 3 F is the circuit board drawing of the embodiment of the present application power consumption test device；
Fig. 3 G is the composition mechanism schematic diagram of the embodiment of the present application pad；
Fig. 3 H is another circuit board drawing of the embodiment of the present application power consumption test device；
Fig. 4 is the composed structure schematic diagram of power consumption test device provided by the embodiments of the present application.
Specific embodiment
Before the technical solution to the embodiment of the present application is described in detail, first to the embodiment of the present application to power consumption
The system architecture of test device application is briefly described.The power consumption test device of the embodiment of the present application is applied to electronic equipment
The related service of power consumption test, the business are, for example, the power consumption test of mobile phone or the power consumption test of notebook etc..
The embodiment of the present application provides a kind of power consumption test device, and Fig. 1 is the composition of the embodiment of the present application power consumption test device
Structural schematic diagram carries out following explanation in conjunction with Fig. 1, and the power consumption test device 10 includes:
Power consumption test circuit 101, for accessing testing current component in the position of the first capacitor 102 disconnected
103, to connect the power consumption test circuit 101.
Here, the first capacitor 102 can be filter capacitor, be also possible to the capacitor of other effects, for example, coupling electricity
Perhaps shunt capacitance etc..In the embodiment of the present application, it accesses before testing current component 103, need first to disconnect first
Then capacitor 102 connects testing current component 103 in the position that the first capacitor 102 disconnects, i.e., by testing current portion
Part 103 replaces first capacitor 102.Testing current component 103 can be ammeter or current source etc..
The testing current component 103, for testing the electric current of the power consumption test circuit 101, and it is anti-to controller 104
Present the electric current.
Here, in the position of the first capacitor disconnected, testing current component 103 is accessed into the position, testing current
Component 103 tests the electric current for flowing through power consumption test circuit 101, and the current feedback that test is completed is to calculating equipment to be tested
The controller of power consumption.Since power consumption test circuit 101 is contained within power consumption test device, and power consumption test device with it is to be measured
Examination equipment is connected, so the electric current of power consumption test circuit can be regarded as the electric current of equipment to be tested.
Controller 104, for obtaining the supply voltage of the corresponding equipment 11 to be tested of the power consumption test device 10, according to
The supply voltage of the electric current and the equipment to be tested 11 determines the power consumption of the equipment to be tested 11.
Here, the supply voltage of equipment 11 to be tested and the voltage that can be understood as power consumption test circuit 101.Controller
104 can be regarded as calculating the computing unit of 11 power consumption of equipment to be tested；Equipment 11 to be tested, which can be arbitrary, to be needed to carry out
The equipment of power consumption test, for example, laptop, mobile phone, tablet computer or game machine etc..Controller 104 gets to be tested
After the supply voltage of equipment 11, the electric current and the power supply fed back according to testing current component 103 can determine that be tested set
Standby 11 power consumption.
In the embodiment of the present application, at the position of the first capacitor 102 disconnected, testing current component 103 is accessed,
In the case where not needing to access 0 extra Ohmic resistance in power consumption test circuit in this way, still can treat test equipment into
Row consumption detection can vacate more fabric swatch spaces, can also save device cost.
In some embodiments, in order to promote the purposes of power consumption test circuit, even if so that power consumption test circuit not into
In the case where row power consumption test, it still is able to play corresponding effect, the power consumption test circuit 101 further includes the first pad
201, the second pad 201 and third pad 203, A, Fig. 2A are another group of the embodiment of the present application power consumption test device referring to fig. 2
At structural schematic diagram, it is based on Fig. 1, carries out following explanation:
First pad 201 is identical with the area of the second pad 202；The area of the third pad 203 is equal to described first
The sum of the area of pad 201 and second pad 202.
Here, the first pad 201 and the second pad 202 can be regarded as a weldering in original power consumption test circuit
Disk (i.e. with a pad of 103 area equation of third pad), is divided into two independent pads, in this way, when two pads it
Between when not accessing any conduction device, power consumption test circuit 101 is to disconnect, and at this moment, treats test equipment progress if necessary
The both ends of testing current component 103 can directly be connect with the first pad 201 and the second pad 202, with true by consumption detection respectively
The electric current of fixed equipment to be tested.
When being not connected with testing current component 103 between first pad 201 and the second pad 202, first electricity
The power end of appearance 102 is connect with first pad 201 and second pad 202 respectively, the ground connection of the first capacitor 102
End is connect with third pad 203.
Here, power consumption test device 10, which can be, is embedded in equipment to be tested, in order to guarantee electricity inside equipment to be tested
Road conducting, power consumption test device 10 normally plays a role, such as filter action, in the case where not needing to carry out power consumption test,
The both ends of first capacitor 102 are respectively welded on the first pad 201 and the second pad 202, so that the power consumption test device
Even if 10 when without power consumption test, it still is able to play corresponding effect.
In some embodiments, in order to which testing current component to be replaced to the position of first capacitor, to realize power consumption test
Device treats the automatic detection of the power consumption of test equipment, and the power consumption test circuit 101 further includes the second capacitor 211 and the 4th
Pad 212, B, Fig. 2 B are the another composed structure schematic diagram of the embodiment of the present application power consumption test device referring to fig. 2, are based on Fig. 2A,
Carry out following explanation:
Second capacitor 211, for handling the current signal in the power consumption test circuit 101.
Here, the second capacitor 211 can be used for being filtered current signal, can also couple to current signal
Deng i.e. the second capacitor 211 can be filter capacitor, coupled capacitor or shunt capacitance etc., the second capacitor 211 and first capacitor
102 effect can be identical or different.
Second capacitor 211 is welded on the 4th pad 212.In this way, being provided with the in power consumption test circuit 101
Two capacitors 211, should when accessing testing current component even if disconnecting the connection of first capacitor 102 and the first pad and the second pad
Power consumption test circuit 101 still is able to perform corresponding processing the current information in the power consumption test circuit 101.
In other embodiments, power consumption test circuit 101 further includes multiple other capacitors, the function phase with the second capacitor
It is same or different, to guarantee the multi-faceted processing to current signal.
The controller 104 is also used to the power consumption test circuit sending power consumption detection instruction.
It here, can be by triggering pressing for equipment to be tested when user, which needs to treat test equipment, carries out power consumption test
Key, so that controller 104 is to power consumption test circuit sending power consumption detection instruction.
The power consumption test circuit 101 is also used to disconnect the first capacitor when receiving consumption detection instruction
With the connection of first pad and second pad so that the both ends of the testing current component and first pad and
The second pad connection.
Here, it when power consumption test circuit 101 receives the consumption detection instruction of the transmission of controller 104, can disconnect automatically
The connection of first capacitor and the first pad and the second pad is welded so that testing current component has access to the first pad and second
Between disk.
In the embodiment of the present application, consumption detection instruction is transmitted to power consumption test circuit by controller, so that power consumption is surveyed
Examination circuit can voluntarily disconnect the both ends of first capacitor and the connection of the first pad and the second pad, not need to access 0 in circuit
The resistance of ohm had both saved the space of circuit board, additionally it is possible to save the cost of component to guarantee that circuit is connected in this way.
The more portable miniaturization of electronic product mobile terminal, printed board (Printed Circuit Board, PCB)
Wiring board is the supplier of electronic component electrical connection again, therefore smaller PCB space must accommodate more electronic components,
The raising of PCB space utilization rate is particularly important the portable miniaturization of electronic product.The cruising ability of electronic product
It is the performance that consumer extremely pays close attention to, therefore power consumption test is the mandatory item of Developmental Engineer's production debugging, some other
In embodiment, 0 Ohmic resistance of contacting on power path, referring to Fig. 3 A, Fig. 3 A is the series resistance that the embodiment of the present application includes
Circuit diagram, carry out following explanation in conjunction with Fig. 3 A: when not needing to carry out consumption detection, power supply 302 is connected with capacitor 301
It connects, 0 ohm of resistance 303 is connected between capacitor 301 and capacitor 302, be then connected to the conducting wire that resistance 303 is drawn to be measured
Equipment 304 is tried, i.e., 304 voltage of equipment to be tested is the voltage of the circuit.
Fig. 3 B is the circuit board drawing of the circuit for the series resistance that the embodiment of the present application includes, as shown in Figure 3B, in conjunction with Fig. 3 B
It carries out following explanation: when not needing to carry out consumption detection, capacitor 301 is welded at pad 321, welds 0 ohm at pad 322
Resistance 303, capacitor 302 is welded at pad 323, connects the supply voltage of equipment to be tested from extraction wire from pad 322.
When needing to debug measurement of power time-consuming, disconnection physical connection is removed 0 ohm, then pass through external series winding ammeter or filling
The mode of electric current measures the electric current of this power path, and as shown in Figure 3 C, Fig. 3 C is the side that the embodiment of the present application uses series resistance
Formula carries out the circuit diagram of power consumption test, carries out following explanation in conjunction with Fig. 3 C:
When needing to carry out consumption detection, power supply 302 is connected with capacitor 301, connects between capacitor 301 and capacitor 302
There is 0 ohm of resistance 303 to be removed, connects testing current component 331 at this location (for example, connection ammeter or electric current
Source etc.), then the conducting wire that resistance 303 is drawn is connected to the supply voltage of equipment 304 to be tested, i.e., the voltage of equipment to be tested
For the voltage of the circuit；The electric current tested in this way based on the voltage and current test component 331, can be obtained equipment to be tested
Power consumption, and then know whether the design standard for meeting developer.
Fig. 3 D is the circuit board drawing that the embodiment of the present application carries out power consumption test by the way of series resistance, such as Fig. 3 D institute
Show, carry out following explanation in conjunction with Fig. 3 D:
When needing to carry out consumption detection, it is welded with capacitor 301 at pad 321, removes and welds 0 ohm at pad 322
Resistance 303 is connecting testing current component 331 at this location, is welding capacitor 302 at pad 323, draw from pad 322
Conducting wire connects the supply voltage of equipment to be tested.
But in the above method, connect on power path 0 Ohmic resistance effect be the later period debugging can cut off physics
It connects, ammeter or sink current survey electric current on string, in addition to this have no other effects.However this method need to increase by 0 Europe
Nurse device also occupies fabric swatch space on pcb board, and for complicated electronic product, such as smart phone, measurement of power is needed to consume
Power supply it is especially more, in the case where the project day big busy hair power consumption plate of stroke pressure, it is necessary to directly be surveyed needed for formal plate
It contacts on power consumption electric power network many 0 Ohmic resistances, is consumed for subsequent debugging measurement of power.Obviously, these 0 Ohmic resistances occupy cloth very much
Plate space, and increase device cost.
Based on this, the embodiment of the present application provides a kind of power consumption test device again, can save 0 Ohmic resistance, also can be to power supply
The method that network carries out measurement of power consumption to vacate more fabric swatch spaces, and saves device cost.In the embodiment of the present application, right
The filter capacitor pad of power supply carries out special designing, reaches after removing this capacitor, can disconnect the physical connection of electric power network, external
Series winding ammeter or current source sink current carry out power consumption test.Fig. 3 E is the circuit theory of the embodiment of the present application power consumption test device
Figure carries out following explanation in conjunction with Fig. 3 E:
When not needing to carry out consumption detection, power supply 352 is connected with capacitor 351, uses between capacitor 351 and capacitor 352
Conducting wire connection, the conducting wire are connected to equipment 353 to be tested, i.e., the voltage of equipment 353 to be tested is the voltage of the circuit.
Fig. 3 F is the circuit board drawing of the embodiment of the present application power consumption test device, carries out following explanation in conjunction with Fig. 3 F: when being not required to
When carrying out consumption detection, power supply 369 is wiring board power supply, and one end that power supply is connect in pad 361 is divided into two pads
(it is two that as shown in Figure 3 G, the pad 371 for connecing power supply, which is divided to, for (i.e. the first pad and the second pad), i.e. pad 362 and pad 363
(i.e. third is welded for a small pad 362 and 363), the sum of area of pad 362 and pad 363 and ground pad 364 in the pad 361
Disk) area equation.It is welded with one end for connecing power supply of capacitor 365 (i.e. first capacitor) at pad 362 and pad 363, is grounded
Pad 364 is connected with the ground terminal of capacitor 365；Capacitor 366 (i.e. the second capacitor) and another pad 367 (i.e. the 4th pad) phase
Even, equipment 367 to be tested is connected from extraction wire from pad 367.
In this way, power consumption test circuit is logical when capacitor 365 is welded on pcb board；When capacitor 365 is removed, function
Consumption test circuit physical connection is to disconnect, then pass through the series current on the pad of gap (i.e. pad 362 and pad 363)
Table or current source sink current, can measure the supply current in the circuit.
Fig. 3 H is another circuit board drawing of the embodiment of the present application power consumption test device, carries out following explanation in conjunction with Fig. 3 H: when
When needing to carry out consumption detection, power supply 384 is wiring board power supply, removes capacitor 381, i.e. breaking capacitance 381 and small pad
362,363 and ground pad 364 connection, at this location connect testing current component 382 (for example, ammeter or electric current
Source etc.), capacitor 385 (i.e. the second capacitor) and another pad 386 are connected to using the conducting wire for drawing testing current component 382
(i.e. the 4th pad) is connected, and connects equipment 383 to be tested from extraction wire from pad 386, i.e., the voltage of equipment to be tested is should
The voltage of circuit；The electric current tested in this way based on the voltage and current test component 382, can be obtained the function of equipment to be tested
Consumption, and then know whether the design standard for meeting developer.
In the embodiment of the present application, by the way that the capacitor pad design of conductive network physical connection can be cut off, reach and be connected in parallel on
Capacitor on network path can also play the role of cutting off network, and then conveniently debug to the network, can simplify circuit
Schematic diagram saves 0 Ohmic resistance of power consumption test, reduces plate grade component, saves PCB fabric swatch space.
Based on embodiment above-mentioned, the embodiment of the present application provides a kind of power consumption test device again, and Fig. 4 is the embodiment of the present application
The composed structure schematic diagram of the power consumption test device of offer, as shown in figure 4, the power consumption test device 400 includes:
Power consumption test circuit 401, for testing current component being accessed, to connect in the position of the first capacitor disconnected
Lead to the power consumption test circuit；
The testing current component 402, for testing the electric current of the power consumption test circuit, and to described in controller feedback
Electric current；
The controller 403, for obtaining the supply voltage of the corresponding equipment to be tested of the power consumption test device, according to
The supply voltage of the electric current and the equipment to be tested determines the power consumption of the equipment to be tested.In other embodiments, institute
Stating power consumption test circuit 401 includes: the first pad and the second pad；
The both ends of the testing current component are connected to first pad and second pad, described in connecting
Power consumption test circuit；Wherein, first pad is identical with the area of second pad.
In other embodiments, described when being not connected with testing current component between first pad and the second pad
The power end of first capacitor is connect with first pad and second pad respectively.
In other embodiments, the power consumption test circuit 401 further includes third pad, the area etc. of the third pad
In the sum of the area of first pad and second pad；
When being not connected with testing current component between first pad and the second pad, the third pad and described the
The ground terminal of one capacitor connects.
In other embodiments, the power consumption test circuit 401 further include: the second capacitor and the 4th pad；
Second capacitor, for handling the current signal in the power consumption test circuit；
Second capacitor is welded on the 4th pad.
In other embodiments, the controller 403 is also used to refer to power consumption test circuit sending power consumption detection
It enables；
The power consumption test circuit 401 is also used to disconnect the first capacitor when receiving consumption detection instruction
With the connection of first pad and second pad so that the both ends of the testing current component and first pad and
The second pad connection.
In other embodiments, the testing current component 402 includes following one kind: ammeter or current source.
It should be understood that power consumption test device provided by the above embodiment is when carrying out power consumption test, only with above-mentioned each
The division progress of program module can according to need for example, in practical application and distribute above-mentioned processing by different journeys
Sequence module is completed, i.e., the internal structure of power consumption test device is divided into different program modules, described above complete to complete
Portion or part are handled.
In several embodiments provided herein, it should be understood that disclosed method and smart machine, Ke Yitong
Other modes are crossed to realize.Apparatus embodiments described above are merely indicative, for example, the division of the unit, only
Only a kind of logical function partition, there may be another division manner in actual implementation, such as: multiple units or components can be tied
It closes, or is desirably integrated into another system, or some features can be ignored or not executed.In addition, shown or discussed each group
Can be through some interfaces at the mutual coupling in part or direct-coupling or communication connection, equipment or unit it is indirect
Coupling or communication connection, can be electrical, mechanical or other forms.
Above-mentioned unit as illustrated by the separation member, which can be or may not be, to be physically separated, aobvious as unit
The component shown can be or may not be physical unit, it can and it is in one place, it may be distributed over multiple network lists
In member；Some or all of units can be selected to achieve the purpose of the solution of this embodiment according to the actual needs.
In addition, can be fully integrated into a second processing unit in each functional unit in each embodiment of the application,
It is also possible to each unit individually as a unit, can also be integrated in one unit with two or more units；
Above-mentioned integrated unit both can take the form of hardware realization, can also add the form of SFU software functional unit real using hardware
It is existing.
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above-described embodiment can pass through program
Relevant hardware is instructed to complete, program above-mentioned can be stored in a computer readable storage medium, which is holding
When row, step including the steps of the foregoing method embodiments is executed；And storage medium above-mentioned includes: movable storage device, read-only storage
The various media that can store program code such as device, random access memory, magnetic or disk.
If alternatively, the above-mentioned integrated unit of the application is realized in the form of software function module and as independent product
When selling or using, it also can store in a computer readable storage medium.Based on this understanding, the application is implemented
Substantially the part that contributes to existing technology can be embodied in the form of software products the technical solution of example in other words,
The computer software product is stored in a storage medium, including some instructions are used so that computer equipment (can be with
Personal computer, server or mobile phone etc.) execute each embodiment the method for the application all or part.
It should be understood that between technical solution documented by the embodiment of the present application, in the absence of conflict, Ke Yiren
Meaning combination.
The above, the only specific embodiment of the application, but the protection scope of the application is not limited thereto, it is any
Those familiar with the art within the technical scope of the present application, can easily think of the change or the replacement, and should all contain
Lid is within the scope of protection of this application.
Claims (7)
1. a kind of power consumption test device, which is characterized in that the power consumption test device includes:
Power consumption test circuit, for testing current component being accessed, to connect the function in the position of the first capacitor disconnected
Consumption test circuit；
The testing current component feeds back the electric current for testing the electric current of the power consumption test circuit, and to controller；
The controller, for obtaining the supply voltage of the corresponding equipment to be tested of the power consumption test device, according to the electricity
The supply voltage of stream and the equipment to be tested, determines the power consumption of the equipment to be tested.
2. the apparatus according to claim 1, which is characterized in that the power consumption test circuit includes: the first pad and second
Pad；
The both ends of the testing current component are connected to first pad and second pad, to connect the power consumption
Test circuit；Wherein, first pad is identical with the area of second pad.
3. the apparatus of claim 2, which is characterized in that electric when being not connected between first pad and the second pad
When current test component, the power end of the first capacitor is connect with first pad and second pad respectively.
4. the apparatus according to claim 1, which is characterized in that the power consumption test circuit further includes third pad, described
The area of third pad is equal to the sum of the area of first pad and second pad；
When being not connected with testing current component between first pad and the second pad, the third pad and first electricity
The ground terminal of appearance connects.
5. device according to any one of claims 1 to 4, which is characterized in that the power consumption test circuit further include: second
Capacitor and the 4th pad；
Second capacitor, for handling the current signal in the power consumption test circuit；
Second capacitor is welded on the 4th pad.
6. device according to claim 5, which is characterized in that the controller is also used to the power consumption test circuit
Sending power consumption detection instruction；
The power consumption test circuit, be also used to when receive the consumption detection instruction when, disconnect the first capacitor with it is described
The connection of first pad and second pad, so that the both ends of the testing current component and first pad and described the
The connection of two pads.
7. the apparatus according to claim 1, which is characterized in that the testing current component includes following one kind: ammeter
Or current source.
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| CN110501567B (en) | 2022-07-19 |
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