CN206331046U - Power device loss test system - Google Patents
Power device loss test system Download PDFInfo
- Publication number
- CN206331046U CN206331046U CN201621473162.8U CN201621473162U CN206331046U CN 206331046 U CN206331046 U CN 206331046U CN 201621473162 U CN201621473162 U CN 201621473162U CN 206331046 U CN206331046 U CN 206331046U
- Authority
- CN
- China
- Prior art keywords
- power device
- water
- base plate
- cooling base
- test system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
Abstract
The utility model provides a kind of power device loss test system, wherein, power device loss test system, including：When acquisition power device is in running order, power device is arranged on water-cooling base plate, first temperature difference at the corresponding water-cooling base plate two ends of power device；After water-cooling base plate cooling, heating module substitution power device is arranged on water-cooling base plate, the electric current that regulation heating module passes through so that the temperature difference at water-cooling base plate two ends is the first temperature difference；According to the electric current by heating module, the loss of power device is determined.The power device loss test system that the utility model is provided is tested under the actual working condition of power device, avoid in existing power device loss simulation process, because working condition and actual condition that computer software simulates power device have a difference, and the error brought.So as to which the power device loss test system that the utility model is provided improves the accuracy rate of power device loss test.
Description
Technical field
The utility model is related to electric and electronic technical field, more particularly to a kind of power device loss test system.
Background technology
With continuing to develop for Power Electronic Technique, power device species is continuously increased.Meeting in the power device course of work
Substantial amounts of heat is produced, accordingly it is desirable to which radiator radiates to it.According to different design requirements, the loss of power device
Difference, it is also accomplished by the radiator of different heat-sinking capabilities, with this, it is necessary first to which power device carries out loss emulation, obtains work(
Conduction loss power and switching loss power of rate device etc., secondly, the parameter progress for emulating and obtaining are lost according to power device
Corresponding fansink designs.
The loss of existing power device be according to simulation calculation, by actual condition and control mode determine voltage, electric current,
The parameters such as dutycycle, then select the characteristic of power device IGBT module in power device, fitting power device data handbook bent
Line, for example：Saturation voltage (Vcesat)-electric current (Ic) curve and damage curve etc. during conducting, correspondence is searched according to fitting data
Under the conditions of voltage, loss value, and by calculate determine power device loss, for example：Conduction loss and switching loss etc..
However, existing power device loss emulation accuracy rate is not high.
Utility model content
The utility model provides a kind of power device and analogue system is lost, and is emulated with solving existing power device loss
The problem of accuracy rate is not high.
The utility model provides a kind of power device loss test system, including：
Water pipe, the first temperature-detecting device, water-cooling base plate and second temperature detection means, wherein, above-mentioned water pipe include into
The mouth of a river and delivery port, above-mentioned water-cooling base plate be arranged on above-mentioned first temperature-detecting device and above-mentioned second temperature detection means it
Between, above-mentioned water-cooling base plate sets power device in first state on above-mentioned water-cooling base plate, above-mentioned power device is in work shape
State；Above-mentioned water-cooling base plate sets heating module, above-mentioned heating module heating power in the second state on above-mentioned water-cooling base plate.
Optionally, above-mentioned power device loss test system, also includes：
Circulating pump and heat-exchanger rig, above-mentioned circulating pump be arranged on above-mentioned second temperature detection means and above-mentioned delivery port it
Between, above-mentioned heat-exchanger rig is set between above-mentioned circulating pump and above-mentioned delivery port, and above-mentioned circulating pump is used to pass through water drainage
Heat-exchanger rig is stated, above-mentioned heat-exchanger rig is used to cool down the water in above-mentioned water pipe, above-mentioned delivery port and above-mentioned water inlet list
To connection.
Optionally, above-mentioned power device loss test system, also includes：Water valve, above-mentioned water valve be arranged on it is above-mentioned enter water
Between mouth and above-mentioned first temperature-detecting device, for controlling passing through for current.
Optionally, above-mentioned power device loss test system, above-mentioned water-cooling base plate includes at least two submounts, each
One power device of above-mentioned submounts correspondence.
The power device loss test system that the utility model is provided, wherein, power device loss test system, including：
When acquisition power device is in running order, power device is arranged on water-cooling base plate, the corresponding water-cooling base plate of power device
First temperature difference at two ends；After water-cooling base plate cooling, heating module substitution power device is arranged on water-cooling base plate, regulation heating
The electric current that module passes through so that the temperature difference at water-cooling base plate two ends is the first temperature difference；According to the electric current by heating module, really
Determine the loss of power device.The power device loss test system that the utility model is provided is in the actual working condition of power device
Lower test, it is to avoid in existing power device loss simulation process, because computer software simulates the work shape of power device
Condition and actual condition have a difference, and the error brought.So as to which the power device loss test system that the utility model is provided is carried
The high accuracy rate of power device loss test.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing to be used needed for description of the prior art does one and simply introduced, it should be apparent that, drawings in the following description are
Some embodiments of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work,
Other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the utility model power device loss test system embodiment one.
Description of reference numerals：
1：Tank；
2：Water valve；
3：Water pipe；
4：First temperature-detecting device；
5：Power device；
5’：Heating module；
6：Water-cooling base plate；
7：Circulating pump；
8：Heat-exchanger rig；
9：Second temperature detection means.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Term " first " in specification and claims of the present utility model and above-mentioned accompanying drawing, " second ", " the 3rd "
And/or the (if present) such as " the 4th " is for distinguishing similar object, without for describing specific order or successively time
Sequence.It should be appreciated that the data so used can be exchanged in the appropriate case, so as to implementation of the present utility model described herein
Example, for example, can be implemented with the order in addition to those for illustrating or describing herein.In addition, term " comprising " and " having "
And their any deformation, it is intended that covering is non-exclusive to be included, for example, containing series of steps or the mistake of unit
Journey, method, system, product or equipment are not necessarily limited to those steps clearly listed or unit, but may include unclear
It is that ground is listed or for the intrinsic other steps of these processes, method, product or equipment or unit.
The power device loss test system that the utility model is provided is tested under the actual working condition of power device, is kept away
Exempt from existing power device loss simulation process, because computer software simulates the working condition and actual work of power device
Condition has a difference, and the error brought.So as to which the power device loss test system that the utility model is provided improves power device
The accuracy rate of part loss test.
The technical solution of the utility model is described in detail with specifically embodiment below.These are specific below
Embodiment can be combined with each other, and may be repeated no more for same or analogous concept or process in some embodiments.
Embodiment one
Fig. 1 is the structural representation of the utility model power device loss test system embodiment one, and the utility model is carried
The power device loss test system of confession, power device test system is used to power device to be tested in equipment is lost
Test.The power device loss test system provided with reference to Fig. 1, the utility model, including：
Water pipe 3, the first temperature-detecting device 4, water-cooling base plate 6 and second temperature detection means 9.
Wherein, specifically, water pipe 3 includes water inlet, cooling water is entered after oral siphon 3 by the water inlet of water pipe 3, flow to water-cooled
The first end of substrate 6, and water-cooling base plate 6 is entered by the first end of water-cooling base plate 6.In water inlet to the first end of water-cooling base plate 6
On water pipe 3.The first temperature-detecting device 4 is provided with, is cooled down for measuring to be flow to during the first end of water-cooling base plate 6 by water inlet
The temperature of water.
Specifically, water pipe 3 is included into delivery port, the cooling water of water-cooling base plate 6 is flowed through, is flow to by the end of water-cooling base plate 6 second
The delivery port of water pipe 3.On the water pipe 3 at the end of water-cooling base plate 6 second to delivery port.Second temperature detection means 9 is provided with, is used for
Measurement is flow to the temperature of cooling water during delivery port by the end of water-cooling base plate 6 second.
Specifically, water-cooling base plate 6 is arranged between the first temperature-detecting device 4 and second temperature detection means 9, water-cooled base
Plate 6 sets power device 5 in first state on water-cooling base plate 6, power device 5 is in running order；Water-cooling base plate 6 is
During two-state, heating module 5 ', the heating power of heating module 5 ' are set on water-cooling base plate 6.
Exemplary, miscellaneous part of the equipment in addition to radiator where assembling power device 5, with water-cooling base plate 6
Instead of the radiator of this equipment.Wherein, above-mentioned water-cooling base plate 6 refers in first state, and power device 5 to be tested is positioned over
On water-cooling base plate 6, this equipment is run according to the operating mode in the actual motion of the equipment where power device 5 so that power device 5
In normal operating conditions.When water-cooling base plate 6 is in first state, the in running order lower generation heat of power device 5 is flowed through
The cooling water of water-cooling base plate 6 is used for the in running order heat distributed of absorbed power device 5.So as to flow through water-cooling base plate 6
The temperature value of cooling water can be raised, and the temperature value that above-mentioned first temperature-detecting device 4 is measured is the first temperature value, above-mentioned second temperature
The temperature value that degree detection means 9 is measured is second temperature value.First temperature value is the first temperature difference with the difference of second temperature value.
Equipment where power device 5 to be tested is after the above-mentioned default time, and the working condition of arrestment will
Temperature at equipment and water-cooling base plate 6 is recovered to reset condition when starting to test.Above-mentioned power attenuation will be used in equipment
The power device 5 of test is removed by water-cooling base plate, and the temperature at water-cooling base plate 6 is recovered to reset condition, by heating module 5 '
It is positioned over above-mentioned water-cooling base plate 6.Electric current is provided to above-mentioned heating module 5 ' so that heating module 5 ' generates heat.Electric current is measured simultaneously
Temperature value at value, magnitude of voltage and the first temperature-detecting device 4 measurement water temperature, second temperature detection means 9, when above-mentioned two surveys
When the temperature approach that warm device is measured is equal with the first temperature difference, stop recording above by heating module 5 ' current value and voltage
Value, and during the operation of arrestment, heating module 5 ', the heating power of heating module 5 ' are set on water-cooling base plate 6.
According to the above-mentioned product by the current value of heating module 5 ' and the magnitude of voltage at the two ends of heating module 5 ' measured, meter
Calculate heating module 5 ' loss value, due to heating module 5 ' with test power device 5 be in external environment identical in the case of
Heated up, and elevated temperature value is identical, so, by heating module 5 ' loss so that obtain power device 5
Loss.
With reference to Fig. 1, optionally, the power device loss test system that the utility model is provided also includes：
Circulating pump 7 and heat-exchanger rig 8.
Specifically, circulating pump 7 is arranged between the delivery port of second temperature detection means 9 and water pipe 3, circulating pump 7 is used for
Each device that water drainage is passed through in the loss test system of power device 5.More specifically, it is that cooling water flows through water-cooling base plate
6 and the grade of heat-exchanger rig 8 provide power.
Circulating pump 7 is additionally operable to control the flow velocity of cooling water in the loss test system of power device 5, by above-mentioned water-cooling base plate 6
The flow velocity of cooling water is all a certain preset value under first state and the second state so that the first state of water-cooling base plate 6 and the second shape
The test condition of the loss test of power device 5 is consistent under state, is conducive to the accuracy of the loss test result of power device 5.
Optionally, the preset value of the flow velocity of cooling water is according to actual needs during the loss test of power device 5, in system
Set, be not restricted in the utility model.
Specifically, heat-exchanger rig 8 is set between the delivery port of circulating pump 7 and water pipe 3, heat-exchanger rig 8 is used for water pipe 3
In water cooled down.More specifically, under the first state of water-cooling base plate 6, the heat that the normal work of power device 5 is produced makes
The cooling water temperature rise of water-cooling base plate 6 must be flowed through, or, under the state of water-cooling base plate 6 second, heating module 5 ' was heating up
The heat produced in journey passes through the cooling water temperature rise of water-cooling base plate 6, and heat-exchanger rig 8 is to cold after said temperature rise
But water is cooled so that cooling water can enter test system by the water inlet of water pipe 3 again, improve the utilization rate of cooling water.
Optionally, the water inlet unilaterally connected of the delivery port of water pipe 3 and water pipe 3, can be with as a kind of enforceable mode
One-way flow valve is set with the water inlet of water pipe 3 in the delivery port of water pipe 3.
Optionally, water-cooling base plate 6 includes at least two submounts, one power device of each submounts correspondence.
Optionally, the above-mentioned loss test system of power device 5 is current closed system, is used as another enforceable side
Formula, can set two tanks 1, be connected respectively with the water inlet of water pipe 3 and the delivery port of water pipe 3, such a current are open
In the loss test system of power device 5, the above-mentioned heat-exchanger rig 8 of setting can be saved, can be reached and the closed power device of current
The loss test system identical of part 5 tests effect.
With reference to Fig. 1, optionally, the power device loss test system that the utility model is provided also includes：
Water valve 2, water valve 2 is arranged between the water inlet of water pipe 3 and the first temperature-detecting device 4, for controlling current
Pass through.
Optionally, water-cooling base plate 6 includes at least two submounts, one power device 5 of each submounts correspondence.
Specifically, the above-mentioned water-cooling base plate 6 in for power device loss test system, can be free-standing water-cooled base
Plate 6 or integral type water-cooling base plate.In order to which demand different when carrying out loss test according to different capacity device is carried out
Selection is used.
The structure of the power device loss test system provided based on above the utility model, is damaged using the power device
Consuming the process of test system progress power device loss test can be：
First, miscellaneous part except radiator in addition to of the equipment where assembling power device 5 in addition to radiator,
The radiator of this equipment is replaced with water-cooling base plate 6.Passed in the power device loss test system that the utility model is provided simultaneously
Cooling water, and flowed in a test system with predetermined flow velocity under the control of circulating pump 7.
Secondly, the equipment where power device 5 was run under actual condition after the default time, the work shape of arrestment
State, the temperature at equipment and water-cooling base plate 6 is recovered to reset condition when starting to test.Above-mentioned power will be used in equipment
The power device 5 of loss test is removed by water-cooling base plate, and the temperature at water-cooling base plate 6 is recovered to reset condition, by the mould that generates heat
Block 5 ' is positioned over above-mentioned water-cooling base plate 6.Electric current is provided to above-mentioned heating module 5 ' so that heating module 5 ' generates heat.Measure simultaneously
Temperature value at current value, magnitude of voltage and the first temperature-detecting device 4 measurement water temperature, second temperature detection means 9, when above-mentioned
When the temperature approach that two temperature measuring equipments are measured is equal with the first temperature difference, stop recording above by heating module 5 ' current value and
Magnitude of voltage, and during the operation of arrestment, heating module 5 ', the heating power of heating module 5 ' are set on water-cooling base plate 6.
Finally, according to the product measured by the current value of heating module 5 ' and the magnitude of voltage at heating module 5 ' two ends,
The loss value of heating module 5 ' is calculated, and then, by the loss and then the loss of acquisition power device 5 of heating module 5 '.
Specifically, the temperature rise process of the normal work of power device 5, the temperature rise process of the heating power of heating module 5 ', two mistakes
Test equipment environment and external environment all same in journey, and then, it can eliminate due to water-cooling base plate itself or extraneous ring
The error that the change such as border is brought, reaches and the purpose accurately tested is lost to power device.
The present embodiment provide power device loss test system there is provided power device loss test system in power device
Tested under the actual working condition of part, it is to avoid in existing power device loss emulation, because computer software simulates power
The working condition of device and actual condition have a difference, and the error brought.So as to which the power device that the utility model is provided is damaged
Consumption test system improves the accuracy rate of power device loss test.The power device loss test provided by the utility model
The power device lossy data that system is obtained, design for being tested the corresponding radiator of power device, it is to avoid radiator
Design size is bigger than normal, causes heatsink weight and cost increase, does not meet current power product miniaturization, light-weighted requirement,
Or fansink designs size is less than normal, radiator can not meet radiating requirements, and product development cycle can be extended by re-starting design
With wasting problem.
Finally it should be noted that：Various embodiments above is only limited to illustrate the technical solution of the utility model, rather than to it
System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, or to which part or whole
Technical characteristic carries out equivalent；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type.
Claims (4)
1. a kind of power device loss test system, it is characterised in that including：Water pipe, the first temperature-detecting device, water-cooling base plate
With second temperature detection means, wherein, the water pipe includes water inlet and delivery port, and the water-cooling base plate is arranged on described first
Between temperature-detecting device and the second temperature detection means, the water-cooling base plate is in first state, the water-cooling base plate
Upper setting power device, the power device is in running order；The water-cooling base plate is in the second state, the water-cooling base plate
Upper setting heating module, the heating module heating power.
2. power device loss test system according to claim 1, it is characterised in that also include：
Circulating pump and heat-exchanger rig, the circulating pump are arranged between the second temperature detection means and the delivery port, institute
State heat-exchanger rig to be set between the circulating pump and the delivery port, the circulating pump is used to water drainage passing through the heat exchange
Device, the heat-exchanger rig is used to cool down the water in the water pipe, the delivery port and the water inlet unilaterally connected.
3. power device loss test system according to claim 2, it is characterised in that also include：Water valve, the water valve
It is arranged between the water inlet and first temperature-detecting device, for controlling passing through for current.
4. the power device loss test system according to claim any one of 1-3, it is characterised in that the water-cooling base plate
Comprising at least two submounts, one power device of each submounts correspondence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621473162.8U CN206331046U (en) | 2016-12-30 | 2016-12-30 | Power device loss test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621473162.8U CN206331046U (en) | 2016-12-30 | 2016-12-30 | Power device loss test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206331046U true CN206331046U (en) | 2017-07-14 |
Family
ID=59294748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621473162.8U Active CN206331046U (en) | 2016-12-30 | 2016-12-30 | Power device loss test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206331046U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106771646A (en) * | 2016-12-30 | 2017-05-31 | 西安中车永电捷通电气有限公司 | Power device loss test mthods, systems and devices |
-
2016
- 2016-12-30 CN CN201621473162.8U patent/CN206331046U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106771646A (en) * | 2016-12-30 | 2017-05-31 | 西安中车永电捷通电气有限公司 | Power device loss test mthods, systems and devices |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204968334U (en) | Heat dissipating system | |
| CN105718694B (en) | Ther mal network parameter identification method based on IGBT junction temperature information | |
| CN211427169U (en) | Fuel cell thermal management test system | |
| CN106771646A (en) | Power device loss test mthods, systems and devices | |
| CN105608273B (en) | A kind of system optimizing power battery pack Temperature Distribution based on CFD software | |
| US20210104788A1 (en) | Optimal control logic for cooling power in battery thermal management | |
| CN103983464A (en) | Heat exchanger performance test platform | |
| CN204064491U (en) | Transformer radiator heat dispersion pick-up unit | |
| CN201983938U (en) | Movable detector for thermal performance of solar water heater | |
| CN103837822A (en) | Very large scale integrated circuit junction-to-case thermal resistance test method | |
| CN105302984A (en) | Modeling and simulation method for ground source heat pump set | |
| CN108038795A (en) | Hot-spot temperature of transformer inversion method and system based on streamline and support vector machines | |
| CN107941851A (en) | The performance testing device and its test method of a kind of heat radiator of internal-combustion engine | |
| CN206331046U (en) | Power device loss test system | |
| CN116626469A (en) | Liquid cooling test system and liquid cooling test method | |
| CN103970958B (en) | A kind of method for designing of excitation system self-cold and hot pipe heat radiation power cabinet | |
| CN103018064A (en) | Test module and test device for liquid cooling radiator | |
| CN104266840B (en) | Deep thermal shock testing device of heavy-duty engine | |
| CN203824778U (en) | A heat exchanger performance test platform | |
| CN207703758U (en) | A kind of performance testing device of heat radiator of internal-combustion engine | |
| CN106596629A (en) | Heat transfer performance testing apparatus of flat-plate micro heat pipe | |
| CN209311114U (en) | Fuel cell heat management testboard bay and fuel cell heat management monitoring system | |
| CN207233872U (en) | A kind of water-cooling type fuel battery cooling system device for detecting performance | |
| CN217505101U (en) | Water-cooling plate test platform | |
| CN214895155U (en) | Simulation dynamic simulation circulating water operation condition test system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |