CN108195878A - The test device and method of a kind of thermal contact resistance - Google Patents

The test device and method of a kind of thermal contact resistance Download PDF

Info

Publication number
CN108195878A
CN108195878A CN201711346221.4A CN201711346221A CN108195878A CN 108195878 A CN108195878 A CN 108195878A CN 201711346221 A CN201711346221 A CN 201711346221A CN 108195878 A CN108195878 A CN 108195878A
Authority
CN
China
Prior art keywords
coolant
inlet
liquid outlet
temperature
material pieces
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.)
Pending
Application number
CN201711346221.4A
Other languages
Chinese (zh)
Inventor
陆群
李庆双
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CH Auto Technology Co Ltd
Beijing Changcheng Huaguan Automobile Technology Development Co Ltd
Original Assignee
Beijing Changcheng Huaguan Automobile Technology Development Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beijing Changcheng Huaguan Automobile Technology Development Co Ltd filed Critical Beijing Changcheng Huaguan Automobile Technology Development Co Ltd
Priority to CN201711346221.4A priority Critical patent/CN108195878A/en
Publication of CN108195878A publication Critical patent/CN108195878A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N25/00Investigating or analyzing materials by the use of thermal means
    • G01N25/20Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)

Abstract

The present invention provides the test devices and method of a kind of thermal contact resistance.Apparatus and method of the present invention, it is to utilize two clamping measured pieces of the clamping piece with liquid communication pipeline, and the liquid of certain temperature certain flow is passed through to two clamping pieces respectively, so as to by the heat transfer of liquid in one of clamping piece to the liquid in another clamping piece, and then pass through by measured piece and acquire temperature in two clamping pieces at liquid inlet and liquid outlet and fluid flow obtains the thermal resistance of measured piece.In this way, the thermal resistance after the thermal resistance of two kinds of measured pieces of test and two kinds of measured pieces are overlapped respectively, and the thermal contact resistance between two kinds of measured pieces is obtained by calculating.The present invention is low to operating personnel and device hardware requirement, and accuracy is high, is suitble to commercial Application.By setting the conditions such as different pressures, temperature, it can directly test to obtain the test result under different operating modes, the accurate parameter of theoretical calculation can be provided for traditional simulation technology.

Description

The test device and method of a kind of thermal contact resistance
Technical field
The present invention relates to testing of materials field, the test device and method of more particularly to a kind of thermal contact resistance.
Background technology
The heat management of battery, be battery large-scale use core technology and at present restrict battery development bottleneck it One.Good temperature control, is not only related to performance and the service life of battery, more concerning the safety to battery or even threatens The security of the lives and property of user.Thermal resistance refers to, when having heat when being transmitted on object, in object both ends temperature difference and heat source Ratio between power.When heat flows through the interface of two solids being in contact, interface in itself shows hot-fluid significantly Thermal resistance, referred to as thermal contact resistance.
The thermal resistance of different materials is then an important factor for restricting battery heat exchange efficiency.Other than the intrinsic thermal resistance of material, Also additional heat transmission resistance, i.e. thermal contact resistance.There are many factor for influencing thermal contact resistance, when two objects contact with each other, no matter How smooth surface is, always has the defects of microcosmic upper, these defects, can lead to two objects not contacting on microcosmic.These Discontiguous position, it may be possible to vacuum, it may be possible to air, it is also possible to artificially be filled up and (such as be added in storeroom by heat-conducting medium Heat-conducting silicone grease), heat is by the heat transfer of gas in these discontiguous gaps and/or heat radiation or heat-conducting silicone grease etc. Material is transmitted, and their heat-transfer capability is far away from general solid material.And then thermal contact resistance is often than material sheet The thermal resistance of body is higher by very much.
Prior art research is mostly according to material property, establishes database model, carries out simulation calculation.Specific method Including:Limited element analysis technique, analysis on Molecular Dynamics method, Monte Carlo random point analytic approach etc..Due to this theory analysis Method, error are larger, it is necessary to assume that parameter it is also sufficiently complex.In certain slightly complicated operating modes, modeling is complicated during emulation, right The requirement of analysis personnel and computer hardware are more demanding, and therefore, these methods are not suitable for engineer application.
In electric vehicle, power battery is its sole power source, when power battery carries out high-power output, will be generated Heat, when temperature of powered cell is higher than its normal working temperature, power battery can be there are security risk, and is less than in temperature dynamic During power normal battery operation temperature, power output just cannot be effectively performed in power battery, and therefore, it is necessary to a set of power battery temperature Control system is mediated come the temperature to power battery so that power battery is worked in its safe working temperature section, is ensured The normal work of power battery.In the power battery temperature control system, need to set cooling fin to power battery so that heat energy Enough efficiently to transmit, it is also desirable to which installation is used for the hydroecium of heat exchange outside power battery, hydroecium is in contact with cooling fin, And then the coolant by being recycled in hydroecium carries out the heat exchange of power battery so that the temperature of power battery is in its work In temperature range.
To realize effective control of temperature of powered cell, the good contact between hydroecium and cooling fin is needed.This is just needed It must just be considered at the initial stage of electric vehicle research and development with reference to entire vehicle design structure.And then it needs a kind of effectively quick The means suitable for engineer application obtain thermal contact resistance between hydroecium and cooling fin, be the power battery temperature in entire vehicle design Control system provides the support of initial data.
Invention content
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide a kind of test device of thermal contact resistance and side Method obtains the thermal contact resistance of storeroom by the means for being conducive to industrial realization.
The present invention provides a kind of test device of thermal contact resistance, including:
The first clamping member, the first clamping member offer the first inlet and the first liquid outlet, and first folder Have in gripping member and be communicated in the first pipe of first inlet and the first liquid outlet, the first coolant is from first feed liquor Mouth flows into, and is flowed out from first liquid outlet;
Second clamping piece, second clamping piece offer the second inlet and the second liquid outlet, and second folder Have in gripping member and be communicated in the second pipe of second inlet and the second liquid outlet, the second coolant is from second feed liquor Mouth flows into, and is flowed out from second liquid outlet;
Measured piece, the measured piece are held between the first clamping member and the second clamping piece;
Temperature sampler group, the temperature sampler group are respectively arranged in first inlet, the first liquid outlet, second Inlet and the second liquid outlet, to acquire at first inlet, the first liquid outlet, the second inlet and the second liquid outlet The temperature of coolant;
Monitoring terminal, the monitoring terminal are connected to the temperature sampler group, to record the temperature sampler group institute The temperature of acquisition and the thermal resistance for calculating the measured piece being held between the first clamping member and the second clamping piece.
Further, the test device of the thermal contact resistance, further includes:
Force application apparatus, the force application apparatus are connected to the first clamping member and the second clamping piece, to be pressed from both sides to described first Gripping member and the second clamping piece apply external force so that the measured piece is held on securely between the first clamping member and the second clamping piece.
Further, the test device of the thermal contact resistance, further includes:
Insulation, the insulation are set to the periphery of the first clamping member, the second clamping piece and measured piece, to prevent The first clamping member, the heat radiation of the second clamping piece and measured piece around.
Further, the measured piece includes:
The first single material pieces;
The second single material pieces;And
First material pieces and the second material pieces, first material pieces and the second material pieces are stacked in the first clamping member And second between clamping piece;
Wherein, first material pieces and the second material pieces are different.
Further, first material pieces are power battery fin material;
Second material pieces are the hydroecium outer wall materials for wrapping up power battery cooling fin.
Further, the test device of the thermal contact resistance, further includes:
Coolant circulation system, the coolant circulation system are connected to first inlet, the first liquid outlet, second First coolant is flowed into first pipe from first inlet and goes out liquid from described first by inlet and the second liquid outlet Second coolant is flowed into second pipe from second inlet and is flowed out from second liquid outlet by mouth outflow;
Cooling fluid temperature control system, the cooling fluid temperature control system are connected to the coolant circulation system and the first inlet Between and the coolant circulation system and the second inlet between, with to flow into first pipe the first coolant and stream The second coolant for entering second pipe is controlled into trip temperature, so that the first coolant and the second inlet at the first inlet The constant temperature of second coolant at place.
The present invention also provides a kind of test method of thermal contact resistance, using the survey of as above any one of them thermal contact resistance Trial assembly is put, and the test method of the thermal contact resistance includes:
It is held on the first material pieces as measured piece between the first clamping member and the second clamping piece, to obtain first Thermal resistance value;
It is held on the second material pieces as measured piece between the first clamping member and the second clamping piece, to obtain second Thermal resistance value;
First material pieces and the second material pieces are stacked between the first clamping member and the second clamping piece using as quilt Part is surveyed, to obtain third thermal resistance value;
Third thermal resistance value is subtracted into the first thermal resistance value and subtracts the second thermal resistance value as first material pieces and the second material The thermal contact resistance of materials and parts.
Further, first thermal resistance value obtains by the following method:
It is held on the first material pieces as measured piece between the first clamping member and the second clamping piece;
It is passed through the first coolant and the second coolant;
Treat the temperature of the coolant at first inlet, the first liquid outlet, the second inlet and the second liquid outlet not When changing again, the coolant temperature at first inlet, the first liquid outlet, the second inlet and the second liquid outlet is recorded, Record the flow of the first coolant and the flow of the second coolant;
According to the coolant temperature at first inlet, the coolant temperature at the first liquid outlet, the second inlet The flow of coolant temperature, the first coolant and the flow of the second coolant at the coolant temperature at place and the second liquid outlet, Calculate first thermal resistance value.
Further, second thermal resistance value obtains by the following method:
It is held on the second material pieces as measured piece between the first clamping member and the second clamping piece;
It is passed through the first coolant and the second coolant;
Treat the temperature of the coolant at first inlet, the first liquid outlet, the second inlet and the second liquid outlet not When changing again, the coolant temperature at first inlet, the first liquid outlet, the second inlet and the second liquid outlet is recorded, Record the flow of the first coolant and the flow of the second coolant;
According to the coolant temperature at first inlet, the coolant temperature at the first liquid outlet, the second inlet The flow of coolant temperature, the first coolant and the flow of the second coolant at the coolant temperature at place and the second liquid outlet, Calculate second thermal resistance value.
Further, the third thermal resistance value obtains by the following method:
First material pieces and the second material pieces are stacked between the first clamping member and the second clamping piece;
It is passed through the first coolant and the second coolant;
Treat the temperature of the coolant at first inlet, the first liquid outlet, the second inlet and the second liquid outlet not When changing again, the coolant temperature at first inlet, the first liquid outlet, the second inlet and the second liquid outlet is recorded, Record the flow of the first coolant and the flow of the second coolant;
According to the coolant temperature at first inlet, the coolant temperature at the first liquid outlet, the second inlet The flow of coolant temperature, the first coolant and the flow of the second coolant at the coolant temperature at place and the second liquid outlet, Calculate the third thermal resistance value.
The test device of thermal contact resistance of the present invention and the test method of thermal contact resistance, will to operating personnel and device hardware Ask low, accuracy is high, at low cost, is suitble to commercial Application.Meanwhile the embodiment of the present invention can set the works such as different pressures, temperature Skill condition, directly test obtain multiple test results under different operating modes, and then theoretical meter can be provided for traditional simulation technology The accurate parameter of calculation.
Description of the drawings
The following drawings only does schematic illustration and explanation to the present invention, not delimit the scope of the invention.
Fig. 1 is the test device structural schematic block diagram of the thermal contact resistance of the embodiment of the present invention;
Fig. 2 is the test method flow chart of the thermal contact resistance of the embodiment of the present invention;
Fig. 3 is the step flow chart that the first thermal resistance value is obtained in the test method of the thermal contact resistance of the embodiment of the present invention;
Fig. 4 is the step flow chart that the second thermal resistance value is obtained in the test method of the thermal contact resistance of the embodiment of the present invention;
Fig. 5 is the step flow chart that third thermal resistance value is obtained in the test method of the thermal contact resistance of the embodiment of the present invention.
Label declaration
11st, the first clamping member
111st, the first inlet
112nd, the first liquid outlet
113rd, first pipe
12nd, the second clamping piece
121st, the second inlet
122nd, the second liquid outlet
123rd, second pipe
131st, the first temperature sampler
132nd, second temperature collector
133rd, third temperature sampler
134th, four temperature sampler
14th, monitoring terminal
151st, the first force sub-device
152nd, the second force sub-device
16th, insulation
171st, the first cooling liquid cycle subsystem
172nd, the second cooling liquid cycle subsystem
181st, the first coolant temperature control subsystem
182nd, the second coolant temperature control subsystem
2nd, measured piece
Specific embodiment
In order to which the technical features, objects and effects to invention are more clearly understood, now control description of the drawings is of the invention Specific embodiment, in the various figures identical label represent identical part.
Herein, " schematic " expression " serving as example, example or explanation " should not will be described herein as " showing Any diagram, the embodiment of meaning property " are construed to a kind of preferred or more advantageous technical solution.
To make simplified form, part related to the present invention is only schematically shown in each figure, and does not represent it Practical structures as product.In addition, so that simplified form is easy to understand, there is the portion of identical structure or function in some figures Part only symbolically depicts one of those or has only marked one of those.
Herein, "one" is not offered as being limited to the quantity of relevant portion of the present invention " only this ", and " one It is a " do not indicate that the situation of the quantity " more than one " for excluding relevant portion of the present invention.
Herein, " on ", " under ", "front", "rear", "left", "right" etc. are only used for representing opposite between relevant portion Position relationship, and the absolute position of these non-limiting relevant portions.
Herein, " first ", " second " etc. be only used for mutual differentiation rather than represent significance level and sequence and Existing premise etc. each other.
Herein, the limitation in " equal ", " identical " etc. and non-critical mathematics and/or geometry meaning, also includes It will be appreciated by those skilled in the art that and the error that the permissions such as makes or uses.
Unless otherwise indicated, numberical range herein not only includes the entire scope in two endpoint, also includes containing In several subranges therein.
As shown in Figure 1, the test device of the thermal contact resistance of the embodiment of the present invention, clamps including the first clamping member 11, second Part 12, temperature sampler group, monitoring terminal 14.
Wherein, the first clamping member 11 offers the first inlet 111 and the first liquid outlet 112, and described first There is the first pipe 113 for being communicated in 111 and first liquid outlet 112 of the first inlet, the first coolant in clamping piece 11 It flows into from first inlet 111, is flowed out after flowing through the first pipe 113 from first liquid outlet 112.
Second clamping piece 12 offers the second inlet 121 and the second liquid outlet 122, and second clamping piece Have in 12 and be communicated in the second pipe 123 of 121 and second liquid outlet 122 of the second inlet, the second coolant is from described Second inlet 121 flows into, and is flowed out after flowing through the second pipe 123 from second liquid outlet 122.
The temperature sampler group is respectively arranged in first inlet 111, the first liquid outlet 112, the second inlet 121 and second liquid outlet 122, to acquire first inlet 111, the first liquid outlet 112, the second inlet 121 and second The temperature of coolant at liquid outlet 122.
Wherein, the temperature sampler group includes the first temperature sampler 131, second temperature collector 132, third temperature Collector 133, four temperature samplers 134, first temperature sampler 131 are installed on first inlet 111 to acquire The temperature of the first coolant at first inlet 111, the second temperature collector 132 are installed on first liquid outlet 112 to acquire the temperature of the first coolant at the first liquid outlet 112, and the third temperature sampler 133 is installed on described the Two inlets 121 to acquire the temperature of the second coolant at the second inlet 121, install by the 4th temperature sampler 134 In second liquid outlet 122 with the temperature of the second coolant at the second liquid outlet 122 of acquisition.
The monitoring terminal 14 is connected to the temperature sampler group, to record the temperature that the temperature sampler group is acquired Spend and calculate the thermal resistance for the measured piece 2 being held between 11 and second clamping piece 12 of the first clamping member.Specifically, it is described Monitoring terminal 14 is connected to the first temperature sampler 131, second temperature collector 132, third temperature sampler 133, four temperature Collector 134, with the first coolant at the temperature of the first coolant at the first inlet 111 of record, the first liquid outlet 112 Temperature, the temperature of the second coolant at the temperature of the second coolant at the second inlet 121 and the second liquid outlet 122 It spends, and the thermal resistance of the measured piece 2 is calculated according to the temperature everywhere recorded.
With continued reference to shown in Fig. 1, in the embodiment of the present invention, the test device of the thermal contact resistance further includes force application apparatus, The force application apparatus is connected to 11 and second clamping piece 12 of the first clamping member, to be pressed from both sides to the first clamping member 11 and second Gripping member 12 applies external force so that the measured piece 2 is held on securely between 11 and second clamping piece 12 of the first clamping member.
Specifically, the force application apparatus is by the first force force sub-device 152 of sub-device 151 and second, wherein first applies Power sub-device 151 is connected to the side of the first clamping member 11 far from measured piece 2, and the second force sub-device 152 is connected to institute State the second side of the clamping piece 12 far from measured piece 2, and then the first force sub-device 151 and second force sub-device 152 Apply power close to each other, and then measured piece 2 is held on securely to 11 and second clamping piece 12 of the first clamping member Between one clamping piece 11 and the second clamping piece 12.
With continued reference to shown in Fig. 1, in the embodiment of the present invention, the test device of the thermal contact resistance further includes insulation 16, The insulation 16 is set to the periphery of the first clamping member 11, the second clamping piece 12 and measured piece 2, to prevent described first Clamping piece 11, the heat radiation of the second clamping piece 12 and measured piece 2 around.
In the embodiment of the present invention, the measured piece 2 can be:The first single material pieces;The second single material pieces;With And first material pieces and the second material pieces, first material pieces and the second material pieces be stacked in the first clamping member and second Between clamping piece, i.e., it is stacked in the first clamping member and the second clamping by what the first material pieces and the second material pieces collectively formed Material pieces between part;Wherein, first material pieces and the second material pieces are different.
Specifically, the embodiment of the present invention is hot in order to measure the contact between electric automobile power battery cooling fin and hydroecium Resistance, first material pieces such as power battery fin material, second material pieces are, for example, to wrap up power battery heat dissipation The hydroecium outer wall materials of piece.
With continued reference to shown in Fig. 1, in the embodiment of the present invention, the test device of the thermal contact resistance further includes coolant and follows Loop system and cooling fluid temperature control system.Wherein, the coolant circulation system is connected to first inlet 111, first goes out First coolant is flowed by liquid mouth 112, the second inlet 121 and the second liquid outlet 122 from first inlet 111 One pipeline 113 is simultaneously flowed out from first liquid outlet 112, and second coolant is flowed into the second pipe from second inlet 121 It is simultaneously flowed out from second liquid outlet 122 in road 123.The cooling fluid temperature control system is connected to the coolant circulation system and Between one inlet 111 and between the coolant circulation system and the second inlet 121, with to flowing into first pipe 113 The first coolant and flow into second pipe 123 the second coolant into trip temperature control so that at the first inlet 111 The constant temperature of 121 the second coolant at first coolant and the second inlet.
Specifically, the coolant circulation system includes the first cooling liquid cycle subsystem 171 and second coolant cycle Subsystem 172.The first cooling liquid cycle subsystem 171 is connected to 111 and first liquid outlet 112 of the first inlet, First coolant is flowed into first pipe 113 from first inlet 111 and is flowed out from first liquid outlet 112.Institute It states the second cooling liquid cycle subsystem 172 and is connected to 121 and second liquid outlet 122 of the second inlet, by the second cooling Liquid flows into second pipe 123 from second inlet 121 and is flowed out from second liquid outlet 122.
The cooling fluid temperature control system includes the first coolant temperature control subsystem 181 and the second coolant temperature control subsystem 182.The first coolant temperature control subsystem 181 is connected to the first cooling 171 and first inlet of liquid cycle subsystem Between 111, controlled into trip temperature the first coolant for flowing into first pipe 113, so that the at the first inlet 111 The constant temperature of one coolant.The second coolant temperature control subsystem 182 is connected to the second cooling liquid cycle subsystem 172 and second between inlet 121, controlled into trip temperature the second coolant for flowing into second pipe 123, so that second The constant temperature of 121 the second coolant at inlet.
About cooling fluid temperature control system, can only the first coolant temperature control subsystem 181 of installation be cooled down without installing second Liquid temperature control subsystem 182 so that the temperature of the second coolant before flowing into the second inlet 121 is environment temperature (or room Temperature).
Based on the test device of above-mentioned thermal contact resistance, the embodiment of the present invention additionally provides a kind of test side of thermal contact resistance Method, this method uses the test device of thermal contact resistance as described above, as shown in Fig. 2, the test method packet of the thermal contact resistance It includes:
Step 1 is held on the first material pieces as measured piece between the first clamping member and the second clamping piece, to obtain Obtain the first thermal resistance value;
Step 2 is held on the second material pieces as measured piece between the first clamping member and the second clamping piece, to obtain Obtain the second thermal resistance value;
Step 3, by the first material pieces and the second material pieces be stacked between the first clamping member and the second clamping piece with As measured piece, to obtain third thermal resistance value;
Step 4, third thermal resistance value is subtracted into the first thermal resistance value and subtract the second thermal resistance value as first material pieces and The thermal contact resistance of second material pieces.
In step 4, i.e., the thermal contact resistance of the first material pieces and the second material pieces is obtained by equation below:
The thermal contact resistance of first material pieces and the second material pieces=third thermal resistance value the-the second thermal resistance value of the-the first thermal resistance value
In the embodiment of the present invention, the calculating of thermal resistance value is carried out using equation below.
P=Ph+Pc
Wherein:
PhFor the first inlet, the power of heat source of the first liquid outlet;
PcFor the second inlet, the power of heat source of the second liquid outlet;
Th1 is the first inlet temperature;
Th2 is the first liquid outlet temperature;
Tc1 is the second inlet temperature;
Tc2 is the second liquid outlet temperature;
ChSpecific heat capacity for fluid specific heat capacity, i.e. the first coolant in the first inlet;
QhFor the first inlet fluid flow;
CcSpecific heat capacity for fluid specific heat capacity, i.e. the second coolant in the second inlet;
QcFor the second inlet fluid flow;
ThFor the first inlet side sample temperature;
TcFor the second inlet side sample temperature;
P is total power of heat source;
R is sample thermal resistance value.
As shown in figure 3, in step 1, first thermal resistance value is obtained by the following method:
Step 11 is held on the first material pieces as measured piece between the first clamping member and the second clamping piece;
Step 12 is passed through the first coolant and the second coolant;
Step 13 treats coolant at first inlet, the first liquid outlet, the second inlet and the second liquid outlet When temperature no longer changes, the coolant at first inlet, the first liquid outlet, the second inlet and the second liquid outlet is recorded Temperature records the flow of the first coolant and the flow of the second coolant;
Step 14, according to the coolant temperature at first inlet, the coolant temperature at the first liquid outlet, second The flow of the coolant temperature at coolant temperature and the second liquid outlet, the first coolant at inlet and the second coolant Flow calculates first thermal resistance value.
As shown in figure 4, in step 2, second thermal resistance value is obtained by the following method:
Step 21 is held on the second material pieces as measured piece between the first clamping member and the second clamping piece;
Step 22 is passed through the first coolant and the second coolant;
Step 23 treats coolant at first inlet, the first liquid outlet, the second inlet and the second liquid outlet When temperature no longer changes, the coolant at first inlet, the first liquid outlet, the second inlet and the second liquid outlet is recorded Temperature records the flow of the first coolant and the flow of the second coolant;
Step 24 is according to the coolant temperature at first inlet, the coolant temperature at the first liquid outlet, second The flow of the coolant temperature at coolant temperature and the second liquid outlet, the first coolant at inlet and the second coolant Flow calculates second thermal resistance value.
As shown in figure 5, in step 3, the third thermal resistance value is obtained by the following method:
First material pieces and the second material pieces are stacked between the first clamping member and the second clamping piece by step 31;
Step 32 is passed through the first coolant and the second coolant;
Step 33 treats coolant at first inlet, the first liquid outlet, the second inlet and the second liquid outlet When temperature no longer changes, the coolant at first inlet, the first liquid outlet, the second inlet and the second liquid outlet is recorded Temperature records the flow of the first coolant and the flow of the second coolant;
Step 34, according to the coolant temperature at first inlet, the coolant temperature at the first liquid outlet, second The flow of the coolant temperature at coolant temperature and the second liquid outlet, the first coolant at inlet and the second coolant Flow calculates the third thermal resistance value.
With reference to the above embodiment of the present invention, in actually performing, mainly contact heat can be realized by performing following steps The acquisition of resistance.
The first step, according to equipment is assembled shown in Fig. 1, until after installation metal A (i.e. the first material pieces).Set certain flow, certain At a temperature of the first coolant flowed into from the first inlet 111, the first liquid outlet 112 flows out, and sets certain flow, second at a temperature of certain Coolant is flowed into from the second inlet 121, and the second liquid outlet 122 flows out.After temperature does not continue to variation, the first feed liquor is recorded The 111, first liquid outlet 112 of mouth, the second inlet 121, the temperature of 122 4 mouths of the second liquid outlet and the first inlet 111 With the flow of the second inlet 121, the temperature of the metal A of 111 side of the first inlet of record records 121 side of the second inlet The temperature of metal A.The thermal resistance value Ra of metal A can be obtained using above-mentioned formula later.For convenience of calculation, the embodiment of the present invention In, the first coolant and the second coolant are using same medium coolant, such as water, when adopting water as the first coolant and the During two coolants, specific heat capacity is 4.2J/ (mlK).
Second step, according to equipment is assembled shown in Fig. 1, until after installation metal B.Set certain flow, certain temperature (in the first step The flow of first coolant, temperature are identical) under the first coolant flowed into from the first inlet 111, the first liquid outlet 112 flows out, The second coolant is set at certain flow, certain temperature (identical with the flow of the second coolant, temperature in the first step) from the second feed liquor Mouth 121 flows into, and the second liquid outlet 122 flows out.After temperature does not continue to variation, the first inlet 111 of record, the first liquid outlet 112nd, the second inlet 121, the temperature of 122 4 mouths of the second liquid outlet and the first inlet 111 and the second inlet 121 Flow, the temperature of the metal B of 111 side of the first inlet of record, the temperature of the metal B of 121 side of the second inlet of record.It adopts later The thermal resistance value Rb of metal B can be obtained with above-mentioned formula.
Third walks, according to equipment is assembled shown in Fig. 1, until (metal A and metal B are stacked in first to installation metal A and metal B Between 11 and second clamping piece of clamping piece 12), between adjusting 11 and second clamping piece of the first clamping member after 12 pressure.Set certain The first coolant is flowed from the first inlet 111 at flow, certain temperature (identical with the flow of the first coolant, temperature in the first step) Enter, the first liquid outlet 112 flows out, and sets at certain flow, certain temperature (identical with the flow of the second coolant, temperature in the first step) Second coolant is flowed into from the second inlet 121, and the second liquid outlet 122 flows out.After temperature does not continue to variation, record first Inlet 111, the first liquid outlet 112, the second inlet 121,122 4 mouths of the second liquid outlet temperature and the first inlet 111 and second inlet 121 flow, the metal A of record the first inlet 111 side and the temperature of metal B samples, record second The metal A of 121 side of inlet and the temperature of metal B samples.The heat of metal B or metal A can be obtained using above-mentioned formula later Resistance value Rab.
At this time this pressure (i.e. at this time between 11 and second clamping piece of the first clamping member 12 pressure) and temperature is (i.e. at this time The temperature of second inlet 121 and the at this time temperature of the second inlet 121) under, thermal contact resistance=Rab- of metal A and metal B Ra-Rb.If metal A is power battery fin material, metal B is hydroecium outer wall materials, then at this time under this pressure and temperature, The thermal contact resistance of power battery cooling fin and hydroecium outer wall is:
RContact=Rab-Ra-Rb
Wherein, RContactThermal contact resistance for metal A and metal B.
Further, by setting multiple temperature and pressure test points, and then power battery cooling fin and hydroecium can be obtained The relation curve that the thermal contact resistance of outer wall changes with temperature and pressure, so as to provide original for electric automobile power battery heat dissipation design Beginning data foundation.
Embodiment 1
The first step assembles equipment according to Fig. 1, until installing aluminium flake (power battery fin material), i.e. after metal A.Setting Flow is that the water that 2ml/s temperature is 25 DEG C is flowed into from the first inlet 111, and the first liquid outlet 112 flows out, and flow is 2ml/s's Water is flowed into from the second inlet 121, and the second liquid outlet 122 flows out.After temperature does not continue to variation, the first inlet is recorded 111st, 111 and of temperature and the first inlet of 122 4 the first liquid outlet 112, the second inlet 121, the second liquid outlet mouths The flow of second inlet 121 is respectively 25 DEG C, 18 DEG C, 15 DEG C, 16 DEG C, 2ml/s, 2ml/s, records 111 side of the first inlet Aluminium flake temperature for 18.02 DEG C, the temperature of the aluminium flake of 121 side of the second inlet of record is 17.92 DEG C, and the specific heat capacity of water is 4.2J/ (mlK), and then the aluminium flake i.e. thermal resistance of metal A can be calculated as Ra=0.001984K/W by above-mentioned formula.
Second step assembles equipment according to Fig. 1, until installing copper sheet (hydroecium outer wall materials), i.e. after metal B.Set flow as 2ml/s temperature is that 25 DEG C of water is flowed into from the first inlet 111, and the first liquid outlet 112 flows out, and the water that flow is 2ml/s is from the Two inlets 121 flow into, and the second liquid outlet 122 flows out.After temperature does not continue to variation, the first inlet 111, first is recorded Liquid outlet 112, the second inlet 121, the temperature of 122 4 mouths of the second liquid outlet and the first inlet 111 and the second feed liquor The flow of mouth 121 is respectively 25 DEG C, 18 DEG C, 15 DEG C, 17 DEG C, 2ml/s, 2ml/s, records the copper sheet of 111 side of the first inlet Temperature is 18.03 DEG C, and the temperature of the copper sheet of 121 side of the second inlet of record is 17.98 DEG C, and then can be counted by above-mentioned formula Calculation obtains the copper sheet i.e. thermal resistance of metal B as Rb=0.00119K/W.
Third walks, and equipment is assembled according to Fig. 1, until installation aluminium flake and copper sheet, adjust 11 and second clamping piece of the first clamping member Between 12 pressure after.It sets flow to flow into from the first inlet 111 as the water that 2ml/s temperature is 25 DEG C, the first liquid outlet 112 Outflow, flow are that the water of 2ml/s is flowed into from the second inlet 121, and the second liquid outlet 122 flows out.Treat that temperature does not continue to change Afterwards, record the first inlet 111, the first liquid outlet 112, the second inlet 121, second 122 4 mouths of liquid outlet temperature with And first the flow of inlet 111 and the second inlet 121 be respectively 25 DEG C, 16 DEG C, 15 DEG C, 15.5 DEG C, 2ml/s, 2ml/s, It is 17.99 DEG C to record the aluminium flake of 111 side of the first inlet and the temperature of copper sheet sample, the aluminium flake of 121 side of the second inlet of record It it is 17.12 DEG C with the temperature of copper sheet sample, and then it is Rab that the entire thermal resistance of aluminium flake and copper sheet, which can be calculated, by above-mentioned formula =0.012185K/W.
At this time under this pressure and temperature, the thermal contact resistance of aluminium flake and copper sheet is
Rab-Ra-Rb=0.012185-0.001984-0.00119=0.00901K/W.
Embodiment 2
The first step assembles equipment according to Fig. 1, until after installation iron plate (power battery fin material), i.e. after metal A.If Constant flow is that the water that 1ml/s temperature is 35 DEG C is flowed into from the first inlet 111, and the first liquid outlet 112 flows out, flow 1ml/s Water flowed into from the second inlet 121, the second liquid outlet 122 flows out.After temperature does not continue to variation, the first inlet is recorded 111st, 111 and of temperature and the first inlet of 122 4 the first liquid outlet 112, the second inlet 121, the second liquid outlet mouths The flow of second inlet 121 is respectively 35 DEG C, 23 DEG C, 15 DEG C, 16 DEG C, 1ml/s, 1ml/s, records 111 side of the first inlet Iron plate temperature for 29.71 DEG C, the temperature of the iron plate of 121 side of the second inlet of record is 29.59 DEG C, and then pass through above-mentioned public affairs The iron plate i.e. thermal resistance of metal A can be calculated as Ra=0.002597K/W in formula.
Second step assembles equipment according to Fig. 1, until after installation stainless steel substrates (hydroecium outer wall materials), i.e. after metal B.Setting Flow is that the water that 1ml/s temperature is 35 DEG C is flowed into from the first inlet 111, and the first liquid outlet 112 flows out, and flow is 1ml/s's Water is flowed into from the second inlet 121, and the second liquid outlet 122 flows out.After temperature does not continue to variation, the first inlet is recorded 111st, 111 and of temperature and the first inlet of 122 4 the first liquid outlet 112, the second inlet 121, the second liquid outlet mouths The flow of second inlet 121 is respectively 35 DEG C, 23 DEG C, 15 DEG C, 17 DEG C, 1ml/s, 1ml/s, records 111 side of the first inlet Stainless steel substrates temperature for 29.77 DEG C, the temperature of the stainless steel substrates of 121 side of the second inlet of record is 29.71 DEG C, Jin Ertong The stainless steel substrates i.e. thermal resistance of metal B can be calculated as Ra=0.001429K/W by crossing above-mentioned formula.
Third walks, and equipment is assembled according to Fig. 1, until installation iron plate and stainless steel substrates, adjust the first clamping member 11 and second and press from both sides Between gripping member after 12 pressure.It sets flow to flow into from the first inlet 111 as the water that 1ml/s temperature is 35 DEG C, first goes out liquid Mouth 112 flows out, and flow is that the water of 1ml/s is flowed into from the second inlet 121, and the second liquid outlet 122 flows out.At this time record first into Liquid mouth 111, the first liquid outlet 112, the second inlet 121,122 4 mouths of the second liquid outlet temperature and the first inlet 111 and second the flow of inlet 121 be respectively 35 DEG C, 16 DEG C, 15 DEG C, 15.5 DEG C, 1ml/s, 1ml/s, record the first feed liquor The iron plate of 111 sides of mouth and the temperature of stainless steel substrates sample are 29.7 DEG C, the iron plate and stainless steel substrates of 121 side of the second inlet of record The temperature of sample is 29.37 DEG C, and then it is Rab=that the entire thermal resistances of iron plate and stainless steel substrates, which can be calculated, by above-mentioned formula 0.004247K/W。
At this time under this pressure and temperature, the thermal contact resistance of iron plate and stainless steel substrates is
Rab-Ra-Rb=0.004247-0.002597-0.001429=0.000221K/W.
It should be noted that the present invention thermal contact resistance test device in, be not difficult to find out, the first clamping member 11 and by It surveys between 2 and second clamping piece 12 of part and measured piece 2 and equally exists thermal contact resistance, and in the method for the present invention, it does not account for The thermal contact resistance of this part, mainly consider the present invention be by measuring the thermal resistance of two kinds of materials respectively after, saying two kinds of materials Material carries out the measurement that overlapping carries out total thermal resistance, in the measurement and calculating of priority, the contact heat between clamping piece and measured piece Resistance can by calculate carry out the overwhelming majority counteracting, therefore, in order to simplify calculate, just do not consider further that the first clamping member 11 and by The thermal contact resistance between 2 and second clamping piece 12 of part and measured piece 2 is surveyed, certainly, if necessary to accurately be measured, then may be used With on the surface that the first clamping member 11 is in contact with measured piece 2 and on the surface that the second clamping piece 12 is in contact with measured piece 2 The heat-conducting medium of such as heat conductive silica gel one kind is coated, enhances the thermal conductivity in the interface to reduce the shadow transmitted at this to heat It rings.
The test device of thermal contact resistance of the present invention and the test method of thermal contact resistance, will to operating personnel and device hardware Ask low, accuracy is high, at low cost, is suitble to commercial Application.Meanwhile the embodiment of the present invention can set the works such as different pressures, temperature Skill condition, directly test obtain multiple test results under different operating modes, and then theoretical meter can be provided for traditional simulation technology The accurate parameter of calculation.
It should be appreciated that although this specification is described according to each embodiment, not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solution in each embodiment may also be suitably combined to form people in the art The other embodiment that member is appreciated that.
Those listed above is a series of to be described in detail only for feasibility embodiment of the invention specifically It is bright, and not to limit the scope of the invention, all equivalent embodiments made without departing from skill spirit of the present invention or Change, such as the combination, segmentation or repetition of feature, should all be included in the protection scope of the present invention.

Claims (10)

1. a kind of test device of thermal contact resistance, which is characterized in that including:
The first clamping member (11), the first clamping member (11) offer the first inlet (111) and the first liquid outlet (112), And have in the first clamping member (11) and be communicated in the first of first inlet (111) and the first liquid outlet (112) Pipeline (113), the first coolant are flowed into from first inlet (111), and are flowed out from first liquid outlet (112);
Second clamping piece (12), second clamping piece (12) offer the second inlet (121) and the second liquid outlet (122), And have in second clamping piece (12) and be communicated in the second of second inlet (121) and the second liquid outlet (122) Pipeline (123), the second coolant are flowed into from second inlet (121), and are flowed out from second liquid outlet (122);
Temperature sampler group, the temperature sampler group are respectively arranged in first inlet (111), the first liquid outlet (112), the second inlet (121) and the second liquid outlet (122), to acquire first inlet (111), the first liquid outlet (112), the temperature of the coolant at the second inlet (121) and the second liquid outlet (122);
Monitoring terminal (14), the monitoring terminal (14) is connected to the temperature sampler group, to record the temperature sampler The acquired temperature of group simultaneously calculates the measured piece (2) being held between the first clamping member (11) and the second clamping piece (12) Thermal resistance.
2. the test device of thermal contact resistance according to claim 1, which is characterized in that further include:
Force application apparatus, the force application apparatus are connected to the first clamping member (11) and the second clamping piece (12), with to described One clamping piece (11) and the second clamping piece (12) apply external force so that the measured piece (2) is held on the first clamping member securely (11) between the second clamping piece (12).
3. the test device of thermal contact resistance according to claim 1, which is characterized in that further include:
Insulation (16), the insulation (16) are set to the first clamping member (11), the second clamping piece (12) and measured piece (2) periphery, to prevent the first clamping member (11), the heat radiation of the second clamping piece (12) and measured piece (2) around.
4. the test device of thermal contact resistance according to claim 1, which is characterized in that the measured piece (2) includes:
The first single material pieces;
The second single material pieces;And
First material pieces and the second material pieces, first material pieces and the second material pieces are stacked in the first clamping member (11) And second between clamping piece (12);
Wherein, first material pieces and the second material pieces are different.
5. the test device of thermal contact resistance according to claim 4, it is characterised in that:
First material pieces are power battery fin material;
Second material pieces are the hydroecium outer wall materials for wrapping up power battery cooling fin.
6. the test device of thermal contact resistance according to claim 1, which is characterized in that further include:
Coolant circulation system, the coolant circulation system are connected to first inlet (111), the first liquid outlet (112), the second inlet (121) and the second liquid outlet (122) flow the first coolant from first inlet (111) Enter first pipe (113) and flowed out from first liquid outlet (112), by the second coolant from second inlet (121) It flows into second pipe (123) and is flowed out from second liquid outlet (122);
Cooling fluid temperature control system, the cooling fluid temperature control system are connected to the coolant circulation system and the first inlet (111) between and between the coolant circulation system and the second inlet (121), with to flowing into first pipe (113) First coolant and the second coolant of inflow second pipe (123) are controlled into trip temperature, so that at the first inlet (111) The first coolant and the second inlet (121) at the second coolant constant temperature.
7. a kind of test method of thermal contact resistance is filled using the test of such as claim 1 to 6 any one of them thermal contact resistance It puts, the test method of the thermal contact resistance includes:
It is held on the first material pieces as measured piece (2) between the first clamping member (11) and the second clamping piece (12), with Obtain the first thermal resistance value;
It is held on the second material pieces as measured piece (2) between the first clamping member (11) and the second clamping piece (12), with Obtain the second thermal resistance value;
First material pieces and the second material pieces are stacked between the first clamping member (11) and the second clamping piece (12) to make For measured piece (2), to obtain third thermal resistance value;
Third thermal resistance value is subtracted into the first thermal resistance value and subtracts the second thermal resistance value as first material pieces and the second material pieces Thermal contact resistance.
8. the test method of thermal contact resistance according to claim 7, which is characterized in that first thermal resistance value passes through as follows Method obtains:
It is held on the first material pieces as measured piece (2) between the first clamping member (11) and the second clamping piece (12);
It is passed through the first coolant and the second coolant;
It treats at first inlet (111), the first liquid outlet (112), the second inlet (121) and the second liquid outlet (122) The temperature of coolant when no longer changing, record first inlet (111), the first liquid outlet (112), the second inlet (121) and the coolant temperature at the second liquid outlet (122) flow of the first coolant and the flow of the second coolant, are recorded;
According to the coolant temperature at first inlet (111), the coolant temperature at the first liquid outlet (112), second The flow of the coolant temperature at coolant temperature and the second liquid outlet (122), the first coolant at inlet (121) and The flow of two coolants calculates first thermal resistance value.
9. the test method of thermal contact resistance according to claim 7, which is characterized in that second thermal resistance value passes through as follows Method obtains:
It is held on the second material pieces as measured piece (2) between the first clamping member (11) and the second clamping piece (12);
It is passed through the first coolant and the second coolant;
It treats at first inlet (111), the first liquid outlet (112), the second inlet (121) and the second liquid outlet (122) The temperature of coolant when no longer changing, record first inlet (111), the first liquid outlet (112), the second inlet (121) and the coolant temperature at the second liquid outlet (122) flow of the first coolant and the flow of the second coolant, are recorded;
According to the coolant temperature at first inlet (111), the coolant temperature at the first liquid outlet (112), second The flow of the coolant temperature at coolant temperature and the second liquid outlet (122), the first coolant at inlet (121) and The flow of two coolants calculates second thermal resistance value.
10. the test method of thermal contact resistance according to claim 7, which is characterized in that the third thermal resistance value passes through such as Lower method obtains:
First material pieces and the second material pieces are stacked between the first clamping member (11) and the second clamping piece (12);
It is passed through the first coolant and the second coolant;
It treats at first inlet (111), the first liquid outlet (112), the second inlet (121) and the second liquid outlet (122) The temperature of coolant when no longer changing, record first inlet (111), the first liquid outlet (112), the second inlet (121) and the coolant temperature at the second liquid outlet (122) flow of the first coolant and the flow of the second coolant, are recorded;
According to the coolant temperature at first inlet (111), the coolant temperature at the first liquid outlet (112), second The coolant temperature of coolant temperature and the second liquid outlet (122) at inlet (121), the flow and second of the first coolant The flow of coolant calculates the third thermal resistance value.
CN201711346221.4A 2017-12-15 2017-12-15 The test device and method of a kind of thermal contact resistance Pending CN108195878A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711346221.4A CN108195878A (en) 2017-12-15 2017-12-15 The test device and method of a kind of thermal contact resistance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711346221.4A CN108195878A (en) 2017-12-15 2017-12-15 The test device and method of a kind of thermal contact resistance

Publications (1)

Publication Number Publication Date
CN108195878A true CN108195878A (en) 2018-06-22

Family

ID=62574384

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711346221.4A Pending CN108195878A (en) 2017-12-15 2017-12-15 The test device and method of a kind of thermal contact resistance

Country Status (1)

Country Link
CN (1) CN108195878A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110186948A (en) * 2019-05-14 2019-08-30 重庆大学 A kind of bearing ring and ball thermal contact resistance measuring system and measurement method
CN113764747A (en) * 2021-08-12 2021-12-07 岚图汽车科技有限公司 Method and device for detecting thermal contact resistance of battery thermal management system
CN113820601A (en) * 2020-06-04 2021-12-21 蜂巢能源科技有限公司 Information processing method, device, electronic equipment and storage medium

Citations (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1800344A1 (en) * 1990-12-10 1993-03-07 Voronezh Lesotekh Inst Method for determining contact thermal resistance
DE10129105A1 (en) * 2001-06-16 2003-01-02 Hella Kg Hueck & Co Heat resistance determination for large samples uses a device with a heat source and sink on either side of the sample that can be adjusted such heat conduction is symmetrical
WO2008133834A1 (en) * 2007-04-30 2008-11-06 Caterpillar Inc Bi-material corrosive resistant heat exchanger
CN101315912A (en) * 2008-06-27 2008-12-03 上海市电力公司超高压输变电公司 Composite refrigeration method and device for high-power electric semiconductor device
CN101346413A (en) * 2005-12-23 2009-01-14 I.S.T.(马萨诸塞)公司 Two-stage cure polyimide oligomers
CN101839613A (en) * 2009-03-19 2010-09-22 上海超滤压缩机净化设备有限公司 High-temperature type four-in-one condensation purifier
CN101929969A (en) * 2010-07-13 2010-12-29 北京航空航天大学 Thermal contact resistance testing device with cooling device
CN201926635U (en) * 2010-12-20 2011-08-10 西安交通大学 Joint surface thermal contact resistance measuring device
CN101929970B (en) * 2010-07-13 2012-05-16 北京航空航天大学 Thermal contact resistance testing method and equipment
CN102798645A (en) * 2012-08-07 2012-11-28 南京理工大学 Heat conduction coefficient and contact thermal resistance testing device
CN102980910A (en) * 2012-11-30 2013-03-20 深圳市博恩实业有限公司 Heat conduction material property testing equipment
RU2011151455A (en) * 2011-12-19 2013-06-27 Елена Вячеславовна Абрамова METHOD OF INTELLECTUAL ENERGY SAVING BASED ON INSTRUMENTAL MULTI-PARAMETER MONITORING ENERGY AUDIT AND DEVICE FOR ITS IMPLEMENTATION
CN103245694A (en) * 2013-05-13 2013-08-14 北京工业大学 Method for measuring thermal contact resistance between semiconductor device and contact material
CN104034749A (en) * 2014-06-04 2014-09-10 南京理工大学 Method for testing contact thermal resistance among thin-layer materials based on 3-omega method
CN104122292A (en) * 2014-08-08 2014-10-29 哈尔滨工业大学 Contact thermal resistance detection device under low-contact-stress condition
CN104132963A (en) * 2014-08-08 2014-11-05 哈尔滨工业大学 Device for detecting thermal contact resistance under micro-stress condition
CN105742736A (en) * 2016-03-31 2016-07-06 北京长城华冠汽车科技股份有限公司 Heat management experiment apparatus and method for power battery of electric vehicle
CN105911447A (en) * 2016-04-22 2016-08-31 全球能源互联网研究院 Power semiconductor device internal contact thermal resistance measurement method and measurement clamp
CN106248726A (en) * 2016-07-08 2016-12-21 哈尔滨工业大学 ORC tests device at 500~2300 DEG C of interval thermal shock/thermal fatigue properties and radiation characteristic
CN106841297A (en) * 2017-01-25 2017-06-13 山东大学苏州研究院 A kind of hot physical property testing device of multifunctional solid material and method
WO2017136861A1 (en) * 2016-02-09 2017-08-17 Grabner Instruments Messtechnik Gmbh Device for controlling the temperature of a test sample
KR20170099541A (en) * 2016-02-24 2017-09-01 포톤데이즈(주) A Method for Measuring a Heating Value and an Apparatus for the Same
CN107228878A (en) * 2017-06-15 2017-10-03 天津大学 A kind of measuring method of fixed combinating surface thermal contact resistance
CN107254297A (en) * 2017-06-13 2017-10-17 中国科学技术大学 A kind of flexible phase-change material for electronic equipment thermal control

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2516203C2 (en) * 2011-12-19 2014-05-20 Елена Вячеславовна Абрамова Method of intelligent power saving based on instrumental multi-parameter monitoring energy audit and device for its realisation

Patent Citations (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1800344A1 (en) * 1990-12-10 1993-03-07 Voronezh Lesotekh Inst Method for determining contact thermal resistance
DE10129105A1 (en) * 2001-06-16 2003-01-02 Hella Kg Hueck & Co Heat resistance determination for large samples uses a device with a heat source and sink on either side of the sample that can be adjusted such heat conduction is symmetrical
CN101346413A (en) * 2005-12-23 2009-01-14 I.S.T.(马萨诸塞)公司 Two-stage cure polyimide oligomers
WO2008133834A1 (en) * 2007-04-30 2008-11-06 Caterpillar Inc Bi-material corrosive resistant heat exchanger
CN101315912A (en) * 2008-06-27 2008-12-03 上海市电力公司超高压输变电公司 Composite refrigeration method and device for high-power electric semiconductor device
CN101839613A (en) * 2009-03-19 2010-09-22 上海超滤压缩机净化设备有限公司 High-temperature type four-in-one condensation purifier
CN101929969A (en) * 2010-07-13 2010-12-29 北京航空航天大学 Thermal contact resistance testing device with cooling device
CN101929970B (en) * 2010-07-13 2012-05-16 北京航空航天大学 Thermal contact resistance testing method and equipment
CN201926635U (en) * 2010-12-20 2011-08-10 西安交通大学 Joint surface thermal contact resistance measuring device
RU2011151455A (en) * 2011-12-19 2013-06-27 Елена Вячеславовна Абрамова METHOD OF INTELLECTUAL ENERGY SAVING BASED ON INSTRUMENTAL MULTI-PARAMETER MONITORING ENERGY AUDIT AND DEVICE FOR ITS IMPLEMENTATION
CN102798645A (en) * 2012-08-07 2012-11-28 南京理工大学 Heat conduction coefficient and contact thermal resistance testing device
CN102980910A (en) * 2012-11-30 2013-03-20 深圳市博恩实业有限公司 Heat conduction material property testing equipment
CN103245694A (en) * 2013-05-13 2013-08-14 北京工业大学 Method for measuring thermal contact resistance between semiconductor device and contact material
CN104034749A (en) * 2014-06-04 2014-09-10 南京理工大学 Method for testing contact thermal resistance among thin-layer materials based on 3-omega method
CN104122292A (en) * 2014-08-08 2014-10-29 哈尔滨工业大学 Contact thermal resistance detection device under low-contact-stress condition
CN104132963A (en) * 2014-08-08 2014-11-05 哈尔滨工业大学 Device for detecting thermal contact resistance under micro-stress condition
CN104122292B (en) * 2014-08-08 2016-04-20 哈尔滨工业大学 Thermal contact resistance pick-up unit under a kind of LCS condition
WO2017136861A1 (en) * 2016-02-09 2017-08-17 Grabner Instruments Messtechnik Gmbh Device for controlling the temperature of a test sample
KR20170099541A (en) * 2016-02-24 2017-09-01 포톤데이즈(주) A Method for Measuring a Heating Value and an Apparatus for the Same
CN105742736A (en) * 2016-03-31 2016-07-06 北京长城华冠汽车科技股份有限公司 Heat management experiment apparatus and method for power battery of electric vehicle
CN105911447A (en) * 2016-04-22 2016-08-31 全球能源互联网研究院 Power semiconductor device internal contact thermal resistance measurement method and measurement clamp
CN106248726A (en) * 2016-07-08 2016-12-21 哈尔滨工业大学 ORC tests device at 500~2300 DEG C of interval thermal shock/thermal fatigue properties and radiation characteristic
CN106841297A (en) * 2017-01-25 2017-06-13 山东大学苏州研究院 A kind of hot physical property testing device of multifunctional solid material and method
CN107254297A (en) * 2017-06-13 2017-10-17 中国科学技术大学 A kind of flexible phase-change material for electronic equipment thermal control
CN107228878A (en) * 2017-06-15 2017-10-03 天津大学 A kind of measuring method of fixed combinating surface thermal contact resistance

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
王安良 等: "一种测量板件接触热阻的新方法", 《工程热物理学报》 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110186948A (en) * 2019-05-14 2019-08-30 重庆大学 A kind of bearing ring and ball thermal contact resistance measuring system and measurement method
CN113820601A (en) * 2020-06-04 2021-12-21 蜂巢能源科技有限公司 Information processing method, device, electronic equipment and storage medium
CN113820601B (en) * 2020-06-04 2023-07-07 蜂巢能源科技股份有限公司 Information processing method, apparatus, electronic device and storage medium
CN113764747A (en) * 2021-08-12 2021-12-07 岚图汽车科技有限公司 Method and device for detecting thermal contact resistance of battery thermal management system

Similar Documents

Publication Publication Date Title
CN108195878A (en) The test device and method of a kind of thermal contact resistance
CN101393148B (en) Test device for coating heat dispersion and test method thereof
CN103630415B (en) Heat dissipation performance test system and method of water-cooling heat sink
CN104749505B (en) A kind of method that tractive transformer winding temperature rise is tested with oil flow rate degree relevance
CN203053902U (en) Building envelope structure heat transfer coefficient field detection system
CN106770440B (en) A kind of Ceramic Balls bed efficient thermal conductivity test platform
CN108828006B (en) Micro-channel heat exchanger flow and phase change heat transfer experiment test platform and operation method
CN103645014A (en) SF6 gas leakage rate detection method for GIS equipment
CN102262100A (en) Novel thermal resistance and flow resistance test device for radiator
CN105510379A (en) A system for testing heat transfer properties of a fin of a heat exchanger
CN111060340A (en) Heat dissipation performance test system and method for liquid cooling device
CN106404829B (en) Based on the modified CHF measurement method of hot-fluid
CN106771646A (en) Power device loss test mthods, systems and devices
CN106370693A (en) Turbulent mixing convective heat transferring experiment device
CN113670809B (en) Corrosion electrochemical measurement device and measurement method for coupling heat transfer and flow field
CN202083651U (en) Novel thermal-resistance flow-resistance test equipment of radiator
CN211452868U (en) Server liquid cooling performance test bench capable of applying various cooling media
CN108011142B (en) Measure device of heat transfer coefficient of electric core or module
CN110296774B (en) Method for quickly identifying heat load of liquid cooling plate
CN107764860B (en) Longitudinal heat conductivity coefficient testing device for laminated iron core
CN103646589B (en) A kind of method for showing heat pipe radiator heat radiation efficiency affecting factors
CN103677018B (en) Mineral oil heating control method, control device and control system
CN110208312B (en) Method for predicting critical heat flux density of parallel small channels under electric field interference
CN115266820A (en) Experimental device and method for researching heat dissipation loss characteristic of overhead heat supply pipeline
TWI480565B (en) Simulation System of Thermoelectric Power Generation Performance

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20180622

WD01 Invention patent application deemed withdrawn after publication