CN109669141A - A kind of discharge test method, device and equipment - Google Patents
A kind of discharge test method, device and equipment Download PDFInfo
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- CN109669141A CN109669141A CN201811550999.1A CN201811550999A CN109669141A CN 109669141 A CN109669141 A CN 109669141A CN 201811550999 A CN201811550999 A CN 201811550999A CN 109669141 A CN109669141 A CN 109669141A
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Abstract
The discharge test method, device and equipment that the embodiment of the present invention proposes, is related to test equipment technology.Discharging tester is electrically connected with multiple loads, processor and battery, discharging tester includes multiple current detection modules and multiple control modules, multiple current detection module one-to-one correspondence are electrically connected between multiple control modules and multiple loads, multiple control modules are also electrically connected with processor and battery, and multiple current detection modules are also electrically connected with processor；Multiple current detection modules are used to acquire the current signal of each load-receipt respectively, so that processor is compared the sum of the current signal of each load to obtain adjustment signal with pre-set current value；Multiple control modules are used to control battery according to adjustment signal to multiple loads output and the matched current signal of pre-set current value.The discharge test method, device and equipment can realize high-power, heavy-current discharge, and can discharge according to predetermined current, simulate the real work state of unmanned plane.
Description
Technical field
The present invention relates to test equipment technologies, in particular to a kind of discharge test method, device and equipment.
Background technique
Due to the excellent characteristics of lithium battery, so that lithium battery is widely applied in unmanned plane field, for electric power
Unmanned plane, the performance of lithium battery directly determine the duration performance of unmanned plane.Compared with other application field, unmanned plane field is wanted
Ask lithium battery can under high-power big discharge-rate state continuous service, therefore measure lithium battery under high-multiplying power discharge state
Characteristic be of great importance to the Performance Evaluation of unmanned plane.
Although existing battery discharge test equipment can test the flash-over characteristic of lithium battery, small electricity often only can be carried out
Test under stream, low power state, and constant current can only be carried out or determine power test, it not can be carried out unsteady flow and Variable power test.
Summary of the invention
The purpose of the present invention is to provide a kind of discharge test method, device and equipments, pass through discharge test method, apparatus
And equipment can be realized high-power, heavy-current discharge, and can discharge according to predetermined current, to simulate the true work of unmanned plane
Make state.
To achieve the goals above, technical solution used in the embodiment of the present invention is as follows:
In a first aspect, the embodiment of the invention provides a kind of discharging tester, it is equal with multiple loads, processor and battery
Electrical connection, discharging tester include multiple current detection modules and multiple control modules, and multiple current detection modules one are a pair of
It should be electrically connected between multiple control modules and multiple loads, multiple control modules are also electrically connected with processor and battery, more
A current detection module is also electrically connected with processor；Multiple current detection modules are used to acquire the electric current of each load-receipt respectively
Signal, and the current signal of each load is transmitted to processor, in order to which processor is by the sum of the current signal of each load
It is compared to obtain adjustment signal with pre-set current value, and adjustment signal is sent to multiple control modules；Multiple control modules
For controlling battery to multiple loads output and the matched current signal of pre-set current value according to adjustment signal.
Second aspect, the embodiment of the invention also provides a kind of discharge test devices, including processor and discharge test dress
It sets, discharging tester is electrically connected with processor, multiple loads and battery, and discharging tester includes multiple current detecting moulds
Block and multiple control modules, multiple current detection module one-to-one correspondence are electrically connected between multiple control modules and multiple loads,
Multiple control modules are also electrically connected with processor and battery, and multiple current detection modules are also electrically connected with processor；Multiple electricity
Stream detection module is used to acquire the current signal of each load-receipt respectively, and the current signal of each load is transmitted to processing
Device；Processor is used to be compared the sum of current signal of each load with pre-set current value to obtain adjustment signal, and will adjust
Section signal is sent to multiple control modules；Multiple control modules be used for according to adjustment signal control battery to multiple loads export and
The matched current signal of pre-set current value.
The third aspect, the embodiment of the invention also provides a kind of discharge test methods, are applied to discharge test device, including
Processor and discharging tester, discharging tester are electrically connected with processor, multiple loads and battery, discharging tester
Including multiple current detection modules and multiple control modules, multiple current detection module one-to-one correspondence are electrically connected to multiple control moulds
Between block and multiple loads, multiple control modules are also electrically connected with processor and battery, multiple current detection modules also with place
Manage device electrical connection；Method includes: the current signal for receiving each load that multiple current detection modules acquire respectively；It will each bear
The sum of current signal of load is compared to obtain adjustment signal with pre-set current value；Adjustment signal is sent to multiple control moulds
Block is believed so that multiple control modules control battery according to adjustment signal to multiple loads output and the matched electric current of pre-set current value
Number.
A kind of discharge test method, device and equipment provided in an embodiment of the present invention, by multiple control modules and multiple
Load, so that battery is discharged by multiple discharge channels, can be realized high current, high-power continuous discharge；And processor
Battery is controlled by multiple control modules according to pre-set current value to believe to multiple loads output and the matched electric current of pre-set current value
Number, the real work state of unmanned plane can be simulated, so that the discharge test effect of battery is more preferable.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 shows the structural block diagram of discharge test device provided in an embodiment of the present invention；
Fig. 2 shows one of structural block diagrams of discharging tester provided in an embodiment of the present invention；
Fig. 3 shows the structural schematic diagram of control module provided in an embodiment of the present invention；
Fig. 4 shows the two of the structural block diagram of discharging tester provided in an embodiment of the present invention；
Fig. 5 shows the structural schematic diagram of discharging tester provided in an embodiment of the present invention；
Fig. 6 shows the front/rear end structural schematic diagram of discharging tester provided in an embodiment of the present invention；
Fig. 7 shows the flow diagram of discharge test method provided in an embodiment of the present invention.
Icon: 1- discharge test device；10- discharging tester；11- current detection module；12- control module；121-
Solid-state relay；122- pull down resistor；13- voltage detection module；14- temperature detecting module；15- radiating module；151- heat dissipation
Fan；152- cooling fin；16- power supply Voltage stabilizing module；17- shell；18- indicator light；19- is for plug；110- loading interfaces；
120- input interface；20- processor；30- display device；2- load；3- battery；4- power supply.
Specific embodiment
Below in conjunction with attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Usually exist
The component of the embodiment of the present invention described and illustrated in attached drawing can be arranged and be designed with a variety of different configurations herein.Cause
This, is not intended to limit claimed invention to the detailed description of the embodiment of the present invention provided in the accompanying drawings below
Range, but it is merely representative of selected embodiment of the invention.Based on the embodiment of the present invention, those skilled in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.Meanwhile of the invention
In description, term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
As shown in Figure 1, being the structural block diagram of discharge test device 1 provided in an embodiment of the present invention, the discharge test device 1
Including processor 20 and discharging tester 10, discharging tester 10 is electrically connected with processor 20, multiple loads 2 and battery 3
It connects；The adjustment signal control battery 3 that discharging tester 10 is used to be sent according to processor 20 is born according to predetermined current to multiple
2 are carried to discharge.
As shown in Fig. 2, being the structural block diagram of discharging tester 10 shown in FIG. 1, which includes more
A current detection module 11 and multiple control modules 12, multiple one-to-one correspondence of current detection module 11 are electrically connected to multiple control moulds
Between block 12 and multiple loads 2, multiple control modules 12 are also electrically connected with processor 20 and battery 3, multiple current detecting moulds
Block 11 is also electrically connected with processor 20.
Multiple current detection modules 11 load 2 for acquiring 2 received current signals of each load respectively, and by each
Current signal is transmitted to processor 20；Processor 20 is used to carry out the sum of current signal of each load 2 with pre-set current value
Compare to obtain adjustment signal, and adjustment signal is sent to multiple control modules 12；Multiple control modules 12 are used for according to adjusting
Signal controls battery 3 to multiple 2 outputs of load and the matched current signal of pre-set current value.
In the present embodiment, pre-set current value can be obtained according to pre-set discharge current curves, it will be understood that root
According to discharge current curves different current values or identical current value, i.e., the electricity obtained in moment t1 can be obtained in different moments
Flow valuve corresponds to 0.5A, corresponds to 0.6A in the current value that moment t2 is obtained, and corresponds to 0.6A in the current value that moment t3 is obtained,
So the current value of moment t1 is different from the current value of moment t2 and moment t3, and moment t2 is identical with the current value of moment t3.
For example, the sum of current signal of each load 2 that current detection module 11 acquires is 0.4A, and is located in moment t1
Reason device 20 is 0.5A according to the pre-set current value that discharge current curves obtain, then each load 2 based on the received of processor 20
The sum of current signal be compared to obtain adjustment signal with pre-set current value so that multiple control modules 12 are believed according to the adjusting
Number control battery 3 to it is multiple load 2 output 0.5A current signals；In next moment t2 of t1, current detection module 11 is adopted
The sum of current signal of each load 2 integrated is then as 0.5A, and processor 20 obtains t2 moment correspondence according to discharge current curves
Pre-set current value be 0.6A, then the sum of current signal and pre-set current value of each load 2 based on the received of processor 20
It is compared to obtain new adjustment signal, be born so that multiple control modules 12 control battery 3 according to new adjustment signal to multiple
The current signal for carrying 2 output 0.6A, it is lasting bent to multiple 2 outputs of load and discharge current using aforesaid way control battery 3
The current signal of lines matching.Wherein, the sum of the current signal of each load 2 is that finger processor 20 is receiving each load 2
After current signal, the current signal of each load 2 is subjected to add operation and obtains the sum of the current signal of each load 2.
In the present embodiment, multiple control modules 12 can be set to 4, then being correspondingly arranged 4 current detection modules
11 and 4 loads 2 are equivalent to 4 road discharge channels of setting, it is not limited here, it is logical that electric discharge can be arranged according to the actual situation
The number in road.
As shown in figure 3, being the structural schematic diagram of control module 12 shown in Fig. 2, control module 12 includes solid-state relay
121, solid-state relay 121 is electrically connected with processor 20, battery 3 and corresponding current detection module 11.
Solid-state relay 121 includes input control end and output-controlled end, and input control end is electrically connected with processor 20, defeated
Controlled end is electrically connected between battery 3 and corresponding current detection module 11 out；Input control end is for receiving the hair of processor 20
The adjustment signal sent, solid-state relay 121 realize what battery 3 was exported to load 2 by output-controlled end according to the adjustment signal
The control of the size of current signal.
In the present embodiment, solid-state relay 121 can use DC solid-state relay.
Further, in the present embodiment, control module 12 further include pull down resistor 122, pull down resistor 122 and solid-state after
Electric appliance 121 and processor 20 are electrically connected, and the pull down resistor 122 is for avoiding conducting on solid-state relay 121.
In the present embodiment, current detection module 11 can use current sensor, specifically, current sensor can be
Hall-type current sensor, corresponding control module 12 pass through Hall-type current sensor and corresponding 2 electrical connection of load.
Further, as illustrated in figures 4-5, discharging tester 10 further includes voltage detection module 13, voltage detection module
13 are electrically connected between multiple control modules 12 and battery 3, and voltage detection module 13 is also electrically connected with processor 20.
Voltage detection module 13 is used to detect the voltage signal of battery 3, and voltage signal is sent to processor 20, so as to
Voltage signal is compared with preset voltage value in processor 20, if voltage signal is lower than preset voltage value, controls control
Module 12 stops working.
It is appreciated that voltage detection module 13 is used to detect the remaining capacity of battery 3, when the voltage signal of battery 3 is lower than
When preset voltage value, processor 20 stops sending adjustment signal to the solid-state relay 121 of control module 12, control module 12
Solid-state relay 121 stops working, and will disconnect being electrically connected between battery 3 and load 2, so that battery 3 stops putting to load 2
Electricity, and then battery 3 is avoided over-discharge phenomenon occur, damage is generated to battery 3.
In the present embodiment, voltage detection module 13 can use divider resistance, and divider resistance believes the voltage at its both ends
Number it is transmitted to processor 20, which is compared by processor 20 with preset voltage value, if the voltage signal is lower than pre-
If voltage value, then it represents that the remaining capacity of battery 3 is insufficient, and processor 20 then stops the solid-state relay 121 to control module 12
Send adjustment signal.
Further, in the present embodiment, discharging tester 10 further includes multiple temperature detecting modules 14, multiple temperature
Detection module 14 is electrically connected with processor 20, and multiple one-to-one correspondence of temperature detecting module 14 are mounted on multiple control modules 12
Place.
It is appreciated that being correspondingly arranged 4 temperature detecting modules 14, often if the quantity of multiple control modules 12 is set as 4
Corresponding at one control module 12 to install a temperature detecting module 14, specifically, temperature detecting module 14 may be mounted at
The surface of solid-state relay 121, temperature detecting module 14 can use, but be not limited to thermistor and thermocouple etc..
The working principle of temperature detecting module 14 specifically: multiple temperature detecting modules 14 for acquiring each control respectively
The temperature information of module 12, and temperature information is sent to processor 20, in order to which processor 20 is pre- by temperature information and first
If temperature value is compared, if temperature information is higher than the first preset temperature value, controls control module 12 and stop working.
It is appreciated that when the temperature information of control module 12 be higher than the first preset temperature value when, processor 20 will stop to
The solid-state relay 121 of control module 12 sends adjustment signal, and the solid-state relay 121 of control module 12 then will disconnect battery 3
Being electrically connected between load 2 so that battery 3 stops discharging to load 2, and then ensure that control module 12 in normal temperature
Lower work.
Further, in the present embodiment, discharging tester 10 further includes radiating module 15, radiating module 15 and processing
Device 20 is electrically connected.Radiating module 15 is used for temperature information and the second preset temperature value and third preset temperature according to processor 20
The temperature control signals starting work or stop working that value is compared.
It is appreciated that the temperature information for each control module 12 that processor 20 also acquires temperature detecting module 14 and
Two preset temperature values and third preset temperature value are compared, if temperature information be higher than the second preset temperature value, processor 20 to
Radiating module 15 sends the first temperature control signals, and radiating module 15 starts work according to the first temperature control signals, indicates control
The temperature of molding block 12 is higher, needs to cool down to it by radiating module 15；If temperature information is lower than third preset temperature
Value, processor 20 send second temperature to radiating module 15 and control signal, and radiating module 15 controls signal according to second temperature and stops
It only works, indicates that the temperature of control module 12 is lower, do not need to cool down to it by radiating module 15.
In the present embodiment, radiating module 15 includes radiator fan 151 and cooling fin 152, radiator fan 151 and processor
20 are electrically connected, and the solid-state relay 121 in control module 12 is mounted on cooling fin 152, and radiator fan 151 can be set to two
It is a, it is separately mounted on two opposite end faces of discharging tester 10, one of radiator fan 151 puts cold air sucking
In electric test device 10, the hot-air in discharging tester 10 is discharged another radiator fan 151, to will entirely discharge
Temperature control is in a suitable temperature range in test device 10.Wherein, two radiator fans 151 can be separately mounted to put
On former and later two end faces of electric test device 10.
Further, in the present embodiment, discharging tester 10 further includes power supply Voltage stabilizing module 16, Voltage stabilizing module of powering
16 are electrically connected with current detection module 11, control module 12, temperature detecting module 14, radiator fan 151 and power supply 4；
Power supply Voltage stabilizing module 16 is used to the supply voltage that power supply 4 provides being converted to operating voltage, and operating voltage is transmitted to
Current detection module 11, control module 12, temperature detecting module 14 and radiator fan 151.
Wherein, power supply Voltage stabilizing module 16 can be DC-DC voltage reduction module, and supply voltage is converted to 5V operating voltage.
Further, in the present embodiment, discharging tester 10 further includes shell 17, control module 12, current detecting
Module 11, voltage detection module 13, temperature detecting module 14 and radiating module 15 are arranged in shell 17；As shown in fig. 6,
17 shape of shell can be designed using case type, and cabinet front/rear end is arranged with heat release hole, and two radiator fans 151 then divide
It is not mounted on the inside of former and later two end faces.
Further, in the present embodiment, input interface 120, indicator light 18 are additionally provided on shell 17, for plug
19 and loading interfaces 110, battery 3 is electrically connected by input interface 120 with voltage detection module 13, and Voltage stabilizing module 16 of powering passes through
It is electrically connected for plug 19 with power supply 4, current detection module 11 is electrically connected by loading interfaces 110 with load 2, indicator light
18 are electrically connected with the output end of power supply Voltage stabilizing module 16.
Wherein, indicator light 18 is used to prompt operator's discharging tester 10 to be in when discharging tester 10 powers on
Electricity condition can use DC connection power supplies 4 for plug 19.
In the present embodiment, processor 20 can use computer, and computer include data acquisition unit and control unit,
Data acquisition unit is electrically connected with current detection module 11, voltage detection module 13, temperature detecting module 14 and control unit,
Control unit is electrically connected with control module 12.
Data acquisition unit is for receiving current signal, voltage signal and temperature information, and by current signal, voltage signal
And temperature information is transmitted to control unit, control unit is used to send adjustment signal, root to control module 12 according to current signal
Determine whether that control module 12 sends adjustment signal according to voltage signal and temperature information, also according to temperature information to radiating module
15 send temperature control signals.
Wherein, control unit can be a kind of IC chip, and the processing capacity with signal can be central processing
Device (Central Processing Unit, abbreviation CPU), network processing unit (Network Processor, abbreviation NP) etc.；Also
It can be digital signal processor (Digital Signal Processor, abbreviation DSP), specific integrated circuit
(Application Specific Integrated Circuit, abbreviation ASIC), ready-made programmable gate array (Field-
Programmable Gate Array, abbreviation FPGA) either other programmable logic device, discrete gate or transistor logic
Device, discrete hardware components etc..
In the present embodiment, load 2 can be power resistor, and battery 3 can be lithium battery.
Further, in the present embodiment, discharging tester 10 further includes display device 30, display device 30 and processing
Device 20 is electrically connected, and display device 30 is used for the real time data received and video-stream processor 20 is sent.
It is appreciated that real time data includes voltage value, current value, temperature value, actual discharge curve graph and discharge capacity, show
Showing device 30 is electrically connected with the control unit of processor 20, voltage signal, current signal and the temperature that reception control unit is sent
Information, and corresponding display voltage value, current value and temperature value, meanwhile, control unit is believed also according to received voltage signal, electric current
Number and discharge time discharge capacity is calculated, and actual discharge curve graph is generated, by discharge capacity and actual discharge curve
Figure is sent to display device 30 and is shown.Wherein, discharge time can obtain according to pre-set discharge current curves.
In this example it is shown that device 30 can be liquid crystal display.
As shown in fig. 7, be the flow diagram of discharge test method provided in an embodiment of the present invention, it should be noted that this
The invention discharge test method is not limitation with Fig. 7 and specific order as described below.It should be appreciated that in other realities
It applies in example, the sequence of discharge test method part step of the present invention can be exchanged with each other according to actual needs, or
Person's part steps therein also can be omitted or delete.Detailed process shown in Fig. 7 will be described in detail below.It please refers to
Fig. 7, the present embodiment describe the process flow of processor 20, which comprises
Step S1 receives the current signal for each load 2 that multiple current detection modules 11 acquire respectively.
In the present embodiment, it is powered in discharging tester 10 and battery 3 and input interface 120 is electrically connected after connecting, it can be with
The sample frequency, discharge current curves, preset voltage value, the first preset temperature of processor 20 are preset according to the actual situation
Value, the second preset temperature value and third preset temperature value, wherein sample frequency is that data acquisition unit reception is put in processor 20
The frequency of the transmission signal of electric test device 10；Then start to carry out discharge test, the electric current that battery 3 exports passes through control module 12
Load 2 is reached with current detection module 11, load 2 then converts electrical current into electric energy and discharged, while multiple current detecting moulds
Block 11 detects the current signal flowed through and the current signal of each load 2 is transmitted to processor 20.
Step S2 is compared the sum of the current signal of each load 2 to obtain adjustment signal with pre-set current value.
In the present embodiment, the data acquisition unit in processor 20 receive it is each load 2 current signal after, will
The current signal of each load 2 is sent to control unit, and control unit first carries out at addition the current signal of each load 2
Reason, is calculated the sum of the current signal of each load 2, and by the sum of current signal of each load 2 and pre-set current value into
Row relatively obtains adjustment signal.
It is appreciated that adjustment signal can be pwm signal, when the sum of the current signal of each load 2 is less than predetermined current
When value, the duty ratio of pwm signal is turned down, the corresponding control after being turned down of the duty ratio of the received pwm signal of solid-state relay 121
Battery 3 will be turned down to the electric current that load 2 exports, so that battery 3 reaches predetermined current to the size of current that load 2 exports
Value；When the sum of current signal of each load 2 is not less than pre-set current value, the duty ratio of pwm signal is tuned up, solid-state relay
The duty ratio of the received pwm signal of device 121 electric current that corresponding control battery 3 is exported to load 2 after being tuned up will tune up, and then make
It obtains battery 3 and reaches pre-set current value to the size of current that load 2 exports.
Wherein, control unit can pass through the sum of the current signal of PID controller foundation pre-set current value and each load 2
The duty ratio of pwm signal is adjusted.
Adjustment signal is sent to multiple control modules 12 by step S3, so that multiple control modules 12 are according to adjustment signal
Battery 3 is controlled to multiple 2 outputs of load and the matched current signal of pre-set current value.
In the present embodiment, the control unit of processor 20 will carry out the pwm signal of duty cycle adjustment while be sent to more
A solid-state relay 121, so as to multiple solid-state relays 121 according to pwm signal control battery 3 to multiple 2 outputs of load with it is pre-
If the equal current signal of current value.
In conclusion a kind of discharge test method, device and equipment provided in an embodiment of the present invention, the discharge test device
Including processor and discharging tester, discharging tester is electrically connected with processor, multiple loads and battery, discharge test
Device includes multiple current detection modules and multiple control modules, and multiple current detection module one-to-one correspondence are electrically connected to multiple controls
Between molding block and multiple loads, multiple control modules are also electrically connected with processor and battery, and multiple current detection modules are also
It is electrically connected with processor；Multiple current detection modules are used to acquire the current signal of each load-receipt respectively, and will each bear
The current signal of load is transmitted to processor；Processor is for comparing the sum of current signal of each load with pre-set current value
Adjustment signal is relatively obtained, and adjustment signal is sent to multiple control modules；Multiple control modules are used for according to adjustment signal control
Battery processed exports and the matched current signal of pre-set current value to multiple loads.
As it can be seen that by multiple control modules and multiple loads, so that battery is discharged by multiple discharge channels, it can
Realize high current, high-power continuous discharge；And processor controls battery to more by multiple control modules according to pre-set current value
A load output and the matched current signal of pre-set current value, can simulate the real work state of unmanned plane, so that battery
Discharge test effect is more preferable.Meanwhile control module discharges to load using solid-state relay control battery, solid-state relay
With bigger current capability, to further ensure high-power, high current continuous discharge, meet electronic unmanned plane
Discharge test demand.And the display of real time data is carried out by display device, discharge curve can be observed in real time, had real-time
Property.
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.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.It should also be noted that similar label and letter exist
Similar terms are indicated in following attached drawing, therefore, once being defined in a certain Xiang Yi attached drawing, are then not required in subsequent attached drawing
It is further defined and explained.
Claims (10)
1. a kind of discharging tester is electrically connected, which is characterized in that the electric discharge is surveyed with multiple loads, processor and battery
Trial assembly is set including multiple current detection modules and multiple control modules, and the multiple current detection module one-to-one correspondence is electrically connected to
Between the multiple control module and the multiple load, the multiple control module is also equal with the processor and the battery
Electrical connection, the multiple current detection module are also electrically connected with the processor；
The multiple current detection module is used to acquire the current signal of each load-receipt respectively, and by each load
Current signal is transmitted to the processor, in order to which the processor is by the sum of current signal of each load and default electricity
Flow valuve is compared to obtain adjustment signal, and the adjustment signal is sent to the multiple control module；
The multiple control module be used to be controlled according to the adjustment signal battery to the multiple load output with it is described
The matched current signal of pre-set current value.
2. discharging tester as described in claim 1, which is characterized in that the discharging tester further includes voltage detecting
Module, the voltage detection module are electrically connected between the multiple control module and the battery, the voltage detection module
Also it is electrically connected with the processor；
The voltage detection module is used to detect the voltage signal of the battery, and the voltage signal is sent to the processing
Device, in order to which the voltage signal is compared by the processor with preset voltage value, if the voltage signal is lower than described
Preset voltage value then controls the control module and stops working.
3. discharging tester as described in claim 1, which is characterized in that the discharging tester further includes multiple temperature
Detection module, the multiple temperature detecting module are electrically connected with the processor, and the multiple temperature detecting module one is a pair of
It should be mounted at the multiple control module；
The multiple temperature detecting module is used to acquire the temperature information of each control module respectively, and the temperature is believed
Breath is sent to the processor, in order to which the temperature information is compared by the processor with the first preset temperature value, if
The temperature information is higher than first preset temperature value, then controls the control module and stop working.
4. discharging tester as claimed in any one of claims 1-3, which is characterized in that each control module is wrapped
Solid-state relay is included, the solid-state relay is electrically connected with the processor, the battery and corresponding current detection module.
5. discharging tester as claimed in claim 3, which is characterized in that the discharging tester further includes radiating mould
Block, the radiating module are electrically connected with the processor；
The radiating module is used for according to the processor that the temperature information and the second preset temperature value and third is default warm
The temperature control signals starting work or stop working that angle value is compared.
6. a kind of discharge test device, which is characterized in that including processor and discharging tester, the discharging tester with
The processor, multiple loads and battery are electrically connected, and the discharging tester includes multiple current detection modules and multiple
Control module, the multiple current detection module, which corresponds, is electrically connected to the multiple control module and the multiple load
Between, the multiple control module is also electrically connected with the processor and the battery, the multiple current detection module also with
The processor electrical connection；
The multiple current detection module is used to acquire the current signal of each load-receipt respectively, and by each load
Current signal is transmitted to the processor；
The processor is used to that the sum of current signal of each load to be compared to obtain with pre-set current value adjusting letter
Number, and the adjustment signal is sent to the multiple control module；
The multiple control module be used to be controlled according to the adjustment signal battery to the multiple load output with it is described
The matched current signal of pre-set current value.
7. discharge test device as claimed in claim 6, which is characterized in that the discharge test device further includes display dress
It sets, the display device is electrically connected with the processor；
The display device is used to receiving and showing the real time data that the processor is sent.
8. a kind of discharge test method, which is characterized in that be applied to discharge test device, including processor and discharge test dress
It sets, the discharging tester is electrically connected with the processor, multiple loads and battery, and the discharging tester includes more
A current detection module and multiple control modules, the multiple current detection module one-to-one correspondence are electrically connected to the multiple control
Between module and the multiple load, the multiple control module is also electrically connected with the processor and the battery, described
Multiple current detection modules are also electrically connected with the processor；The described method includes:
Receive the current signal for each load that the multiple current detection module acquires respectively；
It is compared the sum of the current signal of each load to obtain adjustment signal with pre-set current value；
The adjustment signal is sent to the multiple control module, so that the multiple control module is according to the adjustment signal
The battery is controlled to the multiple load output and the matched current signal of the pre-set current value.
9. discharge test method as claimed in claim 8, which is characterized in that the adjustment signal is pwm signal, described by institute
It states the sum of current signal of each load and is compared the step of obtaining the adjustment signal with the pre-set current value and include:
When the sum of current signal of each load is less than the pre-set current value, by the duty ratio tune of the pwm signal
It is small.
10. discharge test method as claimed in claim 8, which is characterized in that the adjustment signal is pwm signal, described to incite somebody to action
The sum of current signal of each load is compared the step of obtaining the adjustment signal with the pre-set current value and includes:
When the sum of current signal of each load is not less than the pre-set current value, by the duty ratio of the pwm signal
It tunes up.
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