CN107708380A - charger and its core controller, heat exchange control method - Google Patents
charger and its core controller, heat exchange control method Download PDFInfo
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- CN107708380A CN107708380A CN201710890544.3A CN201710890544A CN107708380A CN 107708380 A CN107708380 A CN 107708380A CN 201710890544 A CN201710890544 A CN 201710890544A CN 107708380 A CN107708380 A CN 107708380A
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20945—Thermal management, e.g. inverter temperature control
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/202—Air circulating in closed loop within enclosure wherein heat is removed through heat-exchangers
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- Microelectronics & Electronic Packaging (AREA)
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- Thermal Sciences (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The present invention relates to a kind of charger and its core controller, heat exchange control method, charger in the charge state, to follow the steps below：Step S10. judges whether the communication between core controller and heat exchange controller is interrupted, if it is not, then performing step S20；If so, then perform step S30；Step S20. core controllers are according to the first temperature value at the gross output value and power model air intake vent of multiple power models in charger rack, determine the rotating speed of target value of inner blower and outer blower fan, and send rotating speed of target value to heat exchange controller, to adjust the rotating speed of inner blower and outer blower fan；Step S30. heat exchange controllers determine the rotating speed of target value of inner blower and outer blower fan according to the second temperature value at power model air outlet, and the rotating speed of inner blower and outer blower fan is adjusted according to rotating speed of target value.Implement technical scheme, improve charging reliability, and fan energy consumption is smaller.
Description
Technical field
The present invention relates to charging electric vehicle field, more particularly to a kind of charger and its core controller, heat exchange control
Method processed.
Background technology
In existing charger, be use can not cooling fan of the speed governing AC blower fan as charger, and be
Centrifugal blower.The blower fan is controlled by core controller according to the temperature in charger, and wherein temp probe is arranged in power
The air outlet of module.Start blower fan operating when temperature exceedes the setting upper limit, stop when temperature drops to below setting lower limit
Blower fan operates.However, the thermal accumlation of power model air outlet needs certain time, when power model air outlet temperature also not
Reach the setting upper limit, when blower fan not yet starts running, inside power model may overtemperature protection, it is defeated so as to start drop volume
Go out.Even cause following situation：Power model starts a period of time rear fan and started, and thermal accumlation is led without radiating condition
Power model is caused in order to protect itself and drops volume output；Caloric value is reduced after the output of drop volume, and temperature declines, and blower fan shuts down；
Because temperature declines, power model improves power output again, but overtemperature protection again quickly, so after vibration repeatedly, to being
System produces greatly burden.
In summary, there is following problem in prior art：
(1) cooling fan is controlled according to the temperature in rack, if the temperature inside power model is very high, outside module
The temperature in portion does not rise also, and not up to opens the condition of cooling fan, so charging can be caused to fail；
(2) blower fan full gear when radiating requirements are little operates, and energy consumption is big, and influences the life-span；
In addition, if the ambient temperature of charger is relatively low, for charger in off-duty, inside is also easy to produce condensation, moreover,
Performance can decline or even can not work the part of devices of charger at low ambient temperatures, cause the reliability decrease of charger.
The content of the invention
The technical problem to be solved in the present invention is that above-mentioned for prior art easily causes charging failure, fan energy consumption
The defects of big, there is provided a kind of charger and its core controller, heat exchange control method, improve charging reliability, and blower fan
Energy consumption is smaller.
The technical solution adopted for the present invention to solve the technical problems is：Construct a kind of heat exchange controlling party of charger
Method, heat exchanger include heat exchange controller, are arranged on the inner blower in circulate in the wind road and are arranged on the exogenous wind of outer circulating air duct
Machine,
Charger in the charge state, follows the steps below：
Step S10. judges whether the communication between core controller and heat exchange controller is interrupted, if it is not, then performing step
Rapid S20；If so, then perform step S30；
Step S20. core controllers are according to the gross output value and power mould of multiple power models in charger rack
The first temperature value at block air intake vent, the rotating speed of target value of the inner blower and the outer blower fan is determined, and the target is turned
Speed value is sent to heat exchange controller, to adjust the rotating speed of the inner blower and the outer blower fan；
Step S30. heat exchange controllers according to the second temperature value at power model air outlet, determine the inner blower and
The rotating speed of target value of the outer blower fan, and according to the rotating speed of target value regulation inner blower and the rotating speed of the outer blower fan.
Preferably, the step S20 includes：
Step S201. obtains the gross output value of multiple power models in charger rack in real time, and according to described total
Output power value determines the first tachometer value of the inner blower and the outer blower fan, moreover, first tachometer value with it is described total
Output power value positive correlation；
Step S202. obtains the first temperature value at charger rack internal power module air intake vent in real time, and according to described
First temperature value determines the rotating speed gain of the inner blower and the outer blower fan；
Step S203. determines the inner blower and the outer blower fan according to first tachometer value and the rotating speed gain
Rotating speed of target value；
Step S204. sends the rotating speed of target value to heat exchange controller, to adjust the inner blower and described outer
The rotating speed of blower fan.
Preferably, in the step S201, the first rotating speed of the inner blower and the outer blower fan is calculated according to formula 1
Value：
N1=Nmin+Pout* K1, formula 1
Wherein, N1 is the first tachometer value, NminFor the minimum speed of inner blower and outer blower fan, PoutFor gross output value,
K1 is the first proportionality coefficient.
Preferably, in the step S202, the rotating speed that the inner blower and the outer blower fan are calculated according to formula 2 increases
Benefit：
Wherein, K2 is rotating speed gain, and T is the first temperature value, Ts1For the lower limit of preset temperature range, Ts2For default temperature
The higher limit of scope is spent, A, B are fixed value, and A<B, K3 are the second proportionality coefficient.
Preferably, in the step S203, the rotating speed of target of the inner blower and the outer blower fan is calculated according to formula 3
Value：
N=N1*K2, formula 3
Wherein, N is rotating speed of target value.
Preferably, the heat exchanger includes the heater for being arranged on circulate in the wind road, moreover, charger is in uncharged shape
Under state, core controller also follows the steps below：
Step S205. obtains the rh value in charger rack in real time, and judges the acquired relative humidity
Whether value is more than humidity preset value, if so, then performing step S206；
Step S206. sends the first control signal to heat exchange controller, to open the inner blower and the heater.
Preferably, in the step S205, if it is not, then performing step S207；
Step S207. obtains the first temperature value at charger rack internal power module air intake vent in real time, and judges to be obtained
Whether first temperature value taken is less than temperature preset value, if so, then performing step S208；
Step S208. sends the second control signal to heat exchange controller, to open the inner blower and the heater.
Preferably, in the step S207, if it is not, then performing step S209；
Whether step S209. judges the inner blower and the heater in opening, if so, then performing step
S210；
Step S210. sends the 3rd control signal to heat exchange controller, to close the inner blower and the heater.
The present invention also constructs a kind of charger, including rack and the heat exchanger being arranged in rack and multiple power moulds
Block, wherein, the heat exchanger includes heat exchange controller, the inner blower positioned at circulate in the wind road and positioned at outer circulating air duct
Outer blower fan, the charger also include core controller, the first TEMP being arranged at rack internal power module air intake vent
Device and the second temperature sensor being arranged at rack internal power module outlet, moreover,
First temperature sensor, for detecting the first temperature value at charger rack internal power module air intake vent；
The second temperature sensor, for detecting the second temperature value at charger rack internal power module outlet；
The core controller, when not interrupted for the communication between heat exchange controller, according to charger rack
The first temperature value at the gross output value and power model air intake vent of interior multiple power models, determines the inner blower and institute
State the rotating speed of target value of outer blower fan, and the rotating speed of target value sent to heat exchange controller, with adjust the inner blower and
The rotating speed of the outer blower fan；
The heat exchange controller, during for communicating interrupt between core controller, according to power model air-out
Second temperature value at mouthful determines the rotating speed of target value of the inner blower and the outer blower fan, and is adjusted according to the rotating speed of target value
Save the rotating speed of the inner blower and the outer blower fan.
Preferably, the heat exchanger includes the heater for being arranged on circulate in the wind road, moreover,
The core controller, it is additionally operable under uncharged state, obtains the rh value in charger rack in real time
With the first temperature value, and it is more than humidity preset value or first temperature value in the rh value and is less than temperature preset value
When, corresponding control signal is sent to heat exchange controller, to open the inner blower and the heater.
Implement technical scheme, have the advantages that：
(1) due to inner blower can be determined jointly according to the ambient temperature value in the gross output value and rack of charger
With the rotating speed of target of outer blower fan, so, can be before the temperature inside power model reaches drop volume point, it is ensured that heat exchanger starts
Radiated, avoid the generation of charging failure phenomenon, improve charging reliability；
(2) because inside and outside blower fan can be according to actual radiating requirements reasonable adjusting rotating speed, so inside and outside blower fan can be reduced
Energy consumption, extend the life-span of inside and outside blower fan；
(3) during communicating interrupt between heat exchange controller and core controller, heat exchange controller can be according to oneself
Logic control the operation of inner blower and outer blower fan, the radiating control of charger is formed dual fail-safe, improve reliability.
Brief description of the drawings
In order to illustrate the embodiments of the present invention more clearly, the required accompanying drawing used makees letter in being described below to embodiment
Singly introduce, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for the common skill in this area
For art personnel, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.Accompanying drawing
In：
Fig. 1 is the flow chart of the heat exchange control method embodiment one of charger of the present invention；
Fig. 2 is the schematic diagram that present heat exchanger carries out radiating control；
Fig. 3 is the flow chart of step S20 embodiments one in Fig. 1；
Fig. 4 is the flow chart of the heat exchange control method embodiment two of charger of the present invention；
Fig. 5 is the structure chart of charger embodiment one of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Fig. 1 is the flow chart of the heat exchange control method embodiment one of charger of the present invention, is illustrated first, heat exchange
Device includes heat exchange controller and the inner blower being connected respectively with heat exchange controller and outer blower fan, with reference to Fig. 2, charger 100
Power model 10 including being arranged in rack (illustrate only one, it should be appreciated that in actual applications, quantity can be more in figure
It is individual).Heat exchanger 30 is located at the side of the rack of charger 100, moreover, inner blower 33 is located at circulate in the wind road, outer blower fan 32
Positioned at outer circulating air duct.When the heat exchanger 30 is radiated, outer blower fan 32 is under the control of heat exchange controller, by outer
Cold air outside the rack of charger 100 is sent into heat exchanger 30, control of the inner blower 33 in heat exchange controller by circulation air path
Under system, by circulate in the wind road by the rack of charger 100 hot-air be sent into heat exchanger 30, then by barrier film 36 at
Cold and hot convection current, by heat send out charger 100 rack outside.
In this embodiment, charger in the charge state, follows the steps below：
Step S10. judges whether the communication between core controller and heat exchange controller is interrupted, if it is not, then performing step
Rapid S20；If so, then perform step S30；
Step S20. core controllers are according to the gross output value and power mould of multiple power models in charger rack
The first temperature value at block air intake vent, the rotating speed of target value of inner blower and outer blower fan is determined, and rotating speed of target value is sent to heat
Exchange control unit, to adjust the rotating speed of inner blower and outer blower fan；
In this step, it should be noted that, heat exchange controller, and now heat exchange controller energy are carried in heat exchanger
With core controller normal communication, so, after core controller determines rotating speed of target value, send it to heat exchange control
Device, heat exchange controller can control the rotating speed of inner blower and outer blower fan to reach rotating speed of target value according to the rotating speed of target value.
Step S30. heat exchange controllers determine inner blower and exogenous wind according to the second temperature value at power model air outlet
The rotating speed of target value of machine, and according to rotating speed of target value regulation inner blower and the rotating speed of outer blower fan.
In this step, second temperature sensor can be set at charger rack internal power module outlet, and this second
Temperature sensor can gather the second temperature value at rack internal power module outlet in real time, and send it to heat exchange control
Device.The heat exchange controller just determines inner blower and outer after current second temperature value is got according to the second temperature value
The rotating speed of target value of blower fan, and control the rotating speed of inner blower and outer blower fan to reach rotating speed of target value.Moreover, rotating speed of target value with it is pre-
If the second temperature value positive correlation in temperature range.If current second temperature value is in preset temperature range, for example, 10~30
Degree, then second temperature value is higher, illustrates that radiating requirements are bigger, and now, rotating speed of target value is just corresponding bigger, conversely, rotating speed of target
Value is corresponding smaller.In addition, it should be noted that, if current second temperature value is less than the lower limit of preset temperature range, target can be set
Tachometer value is the minimum speed value of inner blower and outer blower fan；If current second temperature value is higher than the upper limit of preset temperature range, can
The maximum (top) speed value that rotating speed of target value is inner blower and outer blower fan is set.
In this embodiment, on the one hand, in heat exchange controller and core controller energy normal communication, core controller
Determine the mesh of inner blower and outer blower fan jointly due to the ambient temperature value in the gross output value and rack according to charger
Rotating speed is marked, so, can be before the temperature inside power model reaches drop volume point, it is ensured that heat exchanger proceeds by radiating, keeps away
Exempt from the generation of charging failure phenomenon, improve charging reliability.Being additionally, since inside and outside blower fan can be according to actual radiating requirements
Reasonable adjusting rotating speed, so the energy consumption of inside and outside blower fan can be reduced, extend the life-span of inside and outside blower fan.On the other hand, in heat exchange
During communicating interrupt between controller and core controller, heat exchange controller can according to the logic of oneself come control inner blower and
The operation of outer blower fan, the radiating control of charger is formed dual fail-safe, improve reliability.Fig. 3 is step S20 embodiments in Fig. 1
One flow chart, in this embodiment, step S20 include：
Step S201. obtains the gross output value of multiple power models in charger rack in real time, and according to total output
Performance number determines the first tachometer value of inner blower and outer blower fan, moreover, the first tachometer value and gross output value positive correlation；
In this step, core controller is connected with each power model in charger rack respectively, and can be adopted in real time
Collect the output voltage values and output current value of each power model in charger rack, then further according to the defeated of each power model
Go out magnitude of voltage and output current value calculates the gross output value of multiple power models.After gross output value is got, just
The first tachometer value of inner blower and outer blower fan is determined according to the gross output value, moreover, the first tachometer value and gross output
It is worth positive correlation, i.e. gross output value is bigger, illustrates that radiating requirements are bigger, and now, the first tachometer value is bigger, conversely, first
Tachometer value is smaller.
Step S202. obtains the first temperature value at charger rack internal power module air intake vent in real time, and according to first
Temperature value determines the rotating speed gain of inner blower and outer blower fan；
In this step, the first temperature sensor can be set at the power model air intake vent in charger rack, and this
One temperature sensor gathers the first temperature value at air intake vent in real time, and sends it to core controller.The core controller
After real-time first temperature value is got, rotating speed gain is just determined according to first temperature value, the rotating speed gain with it is current
First temperature value is related.
Step S203. determines the rotating speed of target value of inner blower and outer blower fan according to the first tachometer value and rotating speed gain；
Step S204. sends rotating speed of target value to heat exchange controller, to adjust the rotating speed of inner blower and outer blower fan.
In a preferred embodiment, in step s 201, first turn of inner blower and outer blower fan can be calculated according to formula 1
Speed value：
N1=Nmin+Pout* K1, formula 1
Wherein, N1 is the first tachometer value, and first tachometer value can be the absolute tachometer value of inner blower and outer blower fan, or
The relative rotation speed value of inner blower and outer blower fan, the i.e. ratio with respect to its maximum (top) speed value, NminFor the minimum of inner blower and outer blower fan
Rotating speed, PoutFor gross output value, K1 is the first proportionality coefficient.
In this embodiment, if the maximum (top) speed of inner blower and outer blower fan is NIt is full, NminSuch as can be 30%NIt is full.In addition,
On the determination of the first Proportional coefficient K 1, if totally four power models, the maximum output of each power model in charger rack
Power is 15kW, then the peak power output of four power models is 60kW.It is assuming that corresponding during power output maximum (60kW)
The rotating speed of inner blower and outer blower fan is NIt is full, corresponding inner blower and the rotating speed of outer blower fan are N during power output minimum (0kW)min,
According to this two groups of output power values and the corresponding relation of rotating speed, the first Proportional coefficient K 1 can be determined.
In a preferred embodiment, in step S202, inner blower can be calculated according to formula 2 and the rotating speed of outer blower fan increases
Benefit：
Wherein, K2 is rotating speed gain, and T is the first temperature value, Ts1For the lower limit of preset temperature range, Ts2For default temperature
The higher limit of scope is spent, A, B are fixed value, and A<B, K3 are the second proportionality coefficient.
In this embodiment, rotating speed gain and the relation of the first temperature value are piecewise function relation, for example, settable Ts1For
At 20 degree, A 0.5；Ts2For 40 degree when B be 2, moreover, can according to the corresponding relation of this two group of first temperature value and rotating speed gain,
Determine the second Proportional coefficient K 3.
In a preferred embodiment, in step S203, the rotating speed of target of inner blower and outer blower fan is calculated according to formula 3
Value：
N=N1*K2, formula 3
Wherein, N is rotating speed of target value.
Fig. 4 is the flow chart of the heat exchange control method embodiment two of charger of the present invention, is illustrated first, heat exchange
Device also includes the heater for being arranged on circulate in the wind road, moreover, heater is connected with heat exchange controller.In this embodiment,
Under uncharged state, core controller also follows the steps below charger：
Step S205. obtains the rh value in charger rack in real time, and judges that acquired rh value is
It is no to be more than humidity preset value, if so, then performing step S206；If it is not, then perform step S207；
In this step, humidity sensor can be set in charger rack, the humidity sensor can gather rack in real time
Interior rh value, and send it to core controller.Core controller is sentenced after current rh value is got
Whether the current rh value that breaks is more than humidity preset value, if being more than, illustrates that machine cabinet humidity is too high, and then performs step
S206；
Step S206. sends the first control signal to heat exchange controller, to open inner blower and heater；Then can be again
Secondary execution step S205；
In this step, when core controller judges that humidity is too high, start to be communicated with heat exchange controller, will
First control signal is sent to heat exchange controller, and heat exchange controller opens inner blower after first control signal is received
And heater, to reduce the relative humidity of charger, prevent condensation from producing, so as to protect component.
Step S207. obtains the first temperature value at charger rack internal power module air intake vent in real time, and judges to be obtained
Whether the first temperature value taken is less than temperature preset value, if so, then performing step S208；If it is not, then perform step S209；
In this step, the first temperature sensor can be set at the power model air intake vent in charger rack, and this
One temperature sensor gathers the first temperature value at air intake vent in real time, and sends it to core controller.The core controller
After real-time first temperature value is got, judge whether it is more than temperature preset value, if being less than, illustrate machine in-cabinet temperature mistake
It is low, and then perform step S208.
Step S208. sends the second control signal to heat exchange controller, then can be again to open inner blower and heater
Secondary execution step S205；
In this step, when core controller judges that temperature is too low, start to be communicated with heat exchange controller, will
Second control signal is sent to heat exchange controller, and heat exchange controller opens inner blower after second control signal is received
And heater, so that interior of equipment cabinet temperature is maintained in the allowed band of proper device operation.
Whether step S209. judges inner blower and heater in opening, if so, then performing step S210；If it is not, then
Do not process；
Step S210. sends the 3rd control signal to heat exchange controller, to close inner blower and heater.
In this step, when detecting the humidity in rack not less than humidity preset value, and the first temperature sensor detects
When being also not below temperature preset value to interior of equipment cabinet temperature, i.e. machine cabinet humidity is relatively low, and temperature allows model in proper device operation
When enclosing interior, core controller controls inner blower and heater to be stopped by heat exchange controller.
Fig. 5 is the structure chart of charger embodiment one of the present invention, and the charger of the embodiment includes rack and is arranged on machine
Four power models 11 in cabinet, 12,13,14, core controller 20, heat exchanger 30, the temperature of humidity sensor 40 and first
Sensor 50.Moreover, heat exchanger 30 includes heat exchange controller 31, outer blower fan 32, inner blower 33, the temperature of heater 34 and second
Spend sensor 35.
In this embodiment, outer blower fan 32 is located at outer circulating air duct.Inner blower 33 and heater 34 are located at circulate in the wind road.
First temperature sensor 50 is arranged at the air intake vent of rack internal power module, is entered for detecting charger rack internal power module
The first temperature value at air port.Second temperature sensor is arranged at the air outlet of rack internal power module, is charged for detecting
Second temperature value at machine rack internal power module outlet.
In this embodiment, core controller 20 connects four TEMPs of power model 11,12,13,14, first respectively
Device 50 and heat exchange controller 30.Moreover, the communication that core controller 20 is used between heat exchange controller 31 is not interrupted
When, according to the first temperature value at the gross output value of multiple power models in charger rack and power model air intake vent,
The rotating speed of target value of inner blower 33 and outer blower fan 32 is determined, and rotating speed of target value is sent to heat exchange controller 31, with regulation
The rotating speed of inner blower 33 and outer blower fan 32.When heat exchange controller 31 is used for the communicating interrupt between core controller 20,
The rotating speed of target value of inner blower 33 and outer blower fan 32 is determined according to the second temperature value at power model air outlet, and according to target
Tachometer value adjusts the rotating speed of inner blower 33 and outer blower fan 32.
Finally it should be noted that, power model 11,12,13,14 is, for example, AC/DC power models, moreover, in other implementations
In example, the quantity of power model can be other any.
Further, core controller 20 is additionally operable under uncharged state, is obtained in real time relative in charger rack
Humidity value and the first temperature value, and when rh value is more than humidity preset value or the first temperature value is less than temperature preset value,
Corresponding control signal is sent to heat exchange controller 31, to open inner blower 33 and heater 34.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, any bun made
Change, equivalent substitution, improvement etc., should be included within scope of the presently claimed invention.
Claims (10)
1. a kind of heat exchange control method of charger, heat exchanger includes heat exchange controller, is arranged on circulate in the wind road
Inner blower and the outer blower fan for being arranged on outer circulating air duct, it is characterised in that charger in the charge state, follows the steps below：
Step S10. judges whether the communication between core controller and heat exchange controller is interrupted, if it is not, then performing step
S20；If so, then perform step S30；
Step S20. core controllers enter according to the gross output value and power model of multiple power models in charger rack
The first temperature value at air port, determines the rotating speed of target value of the inner blower and the outer blower fan, and by the rotating speed of target value
Send to heat exchange controller, to adjust the rotating speed of the inner blower and the outer blower fan；
Step S30. heat exchange controllers determine the inner blower and described according to the second temperature value at power model air outlet
The rotating speed of target value of outer blower fan, and according to the rotating speed of target value regulation inner blower and the rotating speed of the outer blower fan.
2. the heat exchange control method of charger according to claim 1, it is characterised in that the step S20 includes：
Step S201. obtains the gross output value of multiple power models in charger rack in real time, and according to total output
Performance number determines the first tachometer value of the inner blower and the outer blower fan, moreover, first tachometer value and total output
Performance number positive correlation；
Step S202. obtains the first temperature value at charger rack internal power module air intake vent in real time, and according to described first
Temperature value determines the rotating speed gain of the inner blower and the outer blower fan；
Step S203. determines the target of the inner blower and the outer blower fan according to first tachometer value and the rotating speed gain
Tachometer value；
Step S204. sends the rotating speed of target value to heat exchange controller, to adjust the inner blower and the outer blower fan
Rotating speed.
3. the heat exchange control method of charger according to claim 2, it is characterised in that in the step S201,
The first tachometer value of the inner blower and the outer blower fan is calculated according to formula 1：
N1=Nmin+Pout* K1, formula 1
Wherein, N1 is the first tachometer value, NminFor the minimum speed of inner blower and outer blower fan, PoutFor gross output value, K1 is
First proportionality coefficient.
4. the heat exchange control method of charger according to claim 3, it is characterised in that in the step S202,
The rotating speed gain of the inner blower and the outer blower fan is calculated according to formula 2：
Wherein, K2 is rotating speed gain, and T is the first temperature value, Ts1For the lower limit of preset temperature range, Ts2For preset temperature range
Higher limit, A, B are fixed value, and A<B, K3 are the second proportionality coefficient.
5. the heat exchange control method of charger according to claim 4, it is characterised in that in the step S203,
The rotating speed of target value of the inner blower and the outer blower fan is calculated according to formula 3：
N=N1*K2, formula 3
Wherein, N is rotating speed of target value.
6. the heat exchange control method of the charger according to claim any one of 1-5, it is characterised in that the heat exchange
Device includes the heater for being arranged on circulate in the wind road, moreover, charger, under uncharged state, core controller also carries out following
Step：
Step S205. obtains the rh value in charger rack in real time, and judges that the acquired rh value is
It is no to be more than humidity preset value, if so, then performing step S206；
Step S206. sends the first control signal to heat exchange controller, to open the inner blower and the heater.
7. the heat exchange control method of charger according to claim 6, it is characterised in that in the step S205,
If it is not, then perform step S207；
Step S207. obtains the first temperature value at charger rack internal power module air intake vent in real time, and judges acquired
Whether first temperature value is less than temperature preset value, if so, then performing step S208；
Step S208. sends the second control signal to heat exchange controller, to open the inner blower and the heater.
8. the heat exchange control method of charger according to claim 7, it is characterised in that in the step S207,
If it is not, then perform step S209；
Whether step S209. judges the inner blower and the heater in opening, if so, then performing step S210；
Step S210. sends the 3rd control signal to heat exchange controller, to close the inner blower and the heater.
9. a kind of charger, including rack and the heat exchanger being arranged in rack and multiple power models, wherein, the heat is handed over
Parallel operation includes heat exchange controller, the inner blower positioned at circulate in the wind road and the outer blower fan positioned at outer circulating air duct, and its feature exists
In, the charger also include core controller, the first temperature sensor being arranged at rack internal power module air intake vent and
The second temperature sensor being arranged at rack internal power module outlet, moreover,
First temperature sensor, for detecting the first temperature value at charger rack internal power module air intake vent；
The second temperature sensor, for detecting the second temperature value at charger rack internal power module outlet；
The core controller, when not interrupted for the communication between heat exchange controller, according to more in charger rack
The first temperature value at the gross output value and power model air intake vent of individual power model, determine the inner blower and described outer
The rotating speed of target value of blower fan, and the rotating speed of target value is sent to heat exchange controller, to adjust the inner blower and described
The rotating speed of outer blower fan；
The heat exchange controller, during for communicating interrupt between core controller, at power model air outlet
Second temperature value determine the rotating speed of target value of the inner blower and the outer blower fan, and institute is adjusted according to the rotating speed of target value
State the rotating speed of inner blower and the outer blower fan.
10. charger according to claim 9, it is characterised in that the heat exchanger includes being arranged on circulate in the wind road
Heater, moreover,
The core controller, it is additionally operable under uncharged state, obtains the rh value and the in charger rack in real time
One temperature value, and when the rh value is more than humidity preset value or first temperature value is less than temperature preset value, to
Heat exchange controller sends corresponding control signal, to open the inner blower and the heater.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109878360A (en) * | 2019-03-13 | 2019-06-14 | 上海蔚来汽车有限公司 | Cooling control method, device, charging vehicle and computer readable storage medium |
| CN114194052A (en) * | 2021-12-06 | 2022-03-18 | 绿能慧充数字技术有限公司 | Heat dissipation and dehumidification integrated charging pile and control method thereof |
| EP4344933A1 (en) * | 2022-09-28 | 2024-04-03 | Schneider Electric Industries SAS | A charging device and a method for preventing condensation of the charging device |
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| EP4344933A1 (en) * | 2022-09-28 | 2024-04-03 | Schneider Electric Industries SAS | A charging device and a method for preventing condensation of the charging device |
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|---|---|
| CN107708380B (en) | 2019-09-06 |
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Address after: 710065 R&D Building E206-2, E Building, No. 211 Tiangu Eighth Road, Xi'an High-tech Zone, Shaanxi Province Patentee after: Xi'an Telai Intelligent Charging Technology Co.,Ltd. Address before: 710065 R&D Building E206-2, E Building, No. 211 Tiangu Eighth Road, Xi'an High-tech Zone, Shaanxi Province Patentee before: XI'AN TGOOD INTELLIGENT CHARGING TECHNOLOGY Co.,Ltd. |