CN102944439A - Heat exchanger thermal-cold circle fatigue experiment device - Google Patents
Heat exchanger thermal-cold circle fatigue experiment device Download PDFInfo
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- CN102944439A CN102944439A CN2012104524878A CN201210452487A CN102944439A CN 102944439 A CN102944439 A CN 102944439A CN 2012104524878 A CN2012104524878 A CN 2012104524878A CN 201210452487 A CN201210452487 A CN 201210452487A CN 102944439 A CN102944439 A CN 102944439A
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Abstract
The invention provides a heat exchanger thermal-cold circle fatigue experiment device with a gas displacement loop, which comprises a cold loop, a hot loop and the gas displacement loop, wherein the gas displacement loop comprises a compressor, a gas tank, a displacement pneumatic ball valve, an oil draining cold pneumatic ball valve, an oil draining hot pneumatic ball valve and the like; the inlet of the compressor is connected with an upper communication tube between a cold oil tank and a hot oil tank, one path of the outlet of the compressor is respectively connected with the gas tank and the displacement pneumatic ball valve through a tee, and the other path of the outlet of the compressor is connected with a tee of an outlet connecting tube of the heat exchanger serving as a test piece; and an inlet connecting tube of the heat exchanger serving as the test piece is respectively connected with the cold oil tank or the hot oil tank through a cross and the oil draining cold pneumatic ball valve or the oil draining hot pneumatic ball valve. The heat exchanger thermal-cold circle fatigue experiment device provided by the invention has the advantages that a gas displacement process is added between the alternate cooling and heating processes, and the remaining oil in the heat exchanger serving as the test piece is emptied to the corresponding cold oil tank or hot oil tank, thus preventing cold oil and hot oil from mixing. Compared with the traditional scheme, the device provided by the invention can save a large amount of electricity.
Description
Technical field
The present invention relates to a kind of heat interchanger thermal cold fatigue test unit.
Background technology
It is actuating medium that heat interchanger thermal cold fatigue test unit adopts conduction oil usually, the testpieces heat interchanger is alternately passed into cold fluid and hot fluid, there do not have leakage to be in the cycle period of regulation to be qualified, for detection of the anti-alternation thermal fatigue strength of heat exchanger experiment part material and welding portion.
Traditional heat interchanger thermal cold fatigue test unit design proposal one is the scheme of heating again after the whole first coolings of oil that will flow out from testpieces, obviously will cause very large energy dissipation; The 2nd, hot and cold 2 loops are set, the oil return of flowing out from testpieces enters respectively hot and cold oil tank according to the difference of temperature, like this can the recovery section energy.In such scheme, heat energy not only is used for the temperature variation of heat exchanger materials itself, and is used for the temperature variation of conduction oil medium, particularly because existing the mixed phenomenon of hot and cold string will cause larger energy dissipation.Because the specific heat capacity of conduction oil is about 2.5 times of aluminium, be energy-conservation key so reduce the string of hot and cold oil mixed.
Summary of the invention
Thinking of the present invention is to add a gas oil displacement process between cooling and heating process, can avoid the string of hot and cold oil mixed, thereby a kind of energy-saving heat interchanger thermal cold fatigue test unit is provided.
The present invention adopts following technical scheme:
A kind of heat interchanger thermal cold fatigue test unit, described thermal cold fatigue test unit comprises cold loop, hot loop, testpieces cabinet, control instrument group, and the testpieces heat interchanger; The control instrument group comprises temperature sensor A, temperature sensor B, temperature sensor C, pressure transducer and tensimeter; Cold loop comprises cold oil tank, cold oil pump, refrigeratory, refrigeration machine, the moving tee ball valve of cold air, the moving ball valve of cold air, low temperature valve group, cold filter set, cold threeway group, four-way, connecting pipe group; The low temperature valve group comprises valve A, valve B, valve C, valve D, valve E, valve F, valve G, valve H, mends nitrogen valve and safety valve; Cold filter set comprises filtrator A, filter B and filtrator C; Cold threeway group comprises threeway A, threeway B, threeway C, threeway D, threeway E and threeway F; The connecting pipe group comprises testpieces heat interchanger inlet connecting branch, testpieces heat exchanger exit connecting pipe, upper communicating pipe and lower communicating tube; Hot loop comprises deep fat tank, hot oil pump, electric heater, the moving tee ball valve of hot gas, hot gas moving ball valve, thermal valve group and filtrator D; The thermal valve group comprises valve I, valve J, valve K, valve L;
It is characterized in that this thermal cold fatigue test unit also is provided with gas displacement of reservoir oil loop, comprise compressor, gas-holder, displacement of reservoir oil pneumatic ball valve, the moving ball valve of oil extraction cold air, oil extraction hot gas moving ball valve, non-return valve and threeway G;
The cold oil tank is provided with cold liquid level gauge, cold import A, cold import B, cold import C, cold outlet, cold lower communicating tube interface, cold upper communicating pipe interface, pressure gauge connection, oil-filled interface, relief valve connection and nitrogen interface; Wherein pressure gauge connection connects tensimeter, and oil-filled interface meets valve H, and relief valve connection connects safety valve, and nitrogen interface connects the benefit nitrogen valve;
The deep fat tank is provided with hot liquid level gauge, hot import A, hot import B, hot import C, heat outlet, hot lower communicating tube interface, heat interface of upper communicating pipe and thermal exhaust interface; The thermal exhaust interface meets valve L;
The cold outlet of cold oil tank is connected with the import of cold oil pump with filtrator A by valve A, filtrator A inflow point is connected with the valve F for discharge opeing, the cold oil delivery side of pump links to each other with the oily side-entrance of refrigeratory by valve B, the oily side outlet of refrigeratory connects two circuits by threeway A, then converge to threeway B, wherein line routing valve C, refrigeration machine and a valve D are composed in series, and another circuit adopts valve E; The outlet of threeway B links to each other with the import of the moving tee ball valve of cold air, and the left outlet of the moving tee ball valve of cold air links to each other with the cold import A of cold oil tank, and the right outlet of the moving tee ball valve of cold air links to each other with the left import of threeway C; The outlet of threeway C links to each other with the import of testpieces heat interchanger by testpieces heat interchanger inlet connecting branch, and the outlet of testpieces heat interchanger is connected with the import of threeway D by testpieces heat exchanger exit connecting pipe; Testpieces heat interchanger inlet connecting branch is provided with four-way, filter B and temperature sensor A; Testpieces heat exchanger exit connecting pipe is provided with temperature sensor B, filtrator C, pressure transducer and threeway E; The left outlet of threeway D links to each other with the cold import B of cold oil tank by the moving ball valve of cold air;
The heat outlet of deep fat tank links to each other with the import of hot oil pump with filtrator D by valve I, filtrator D inflow point is connected with the valve K for discharge opeing, the deep fat delivery side of pump links to each other with the electric heater import by valve J, the outlet of electric heater links to each other with the import of the moving tee ball valve of hot gas, is provided with temperature sensor C in the electric heater outlet; The right outlet of the moving tee ball valve of hot gas links to each other with the hot import A of deep fat tank, and the left outlet of the moving tee ball valve of hot gas links to each other with the right import of threeway C; The right outlet of threeway D links to each other with the hot import B of deep fat tank by the moving ball valve of hot gas;
The cold lower communicating tube interface of cold oil tank links to each other with the hot lower communicating tube interface of deep fat tank with lower communicating tube by valve G; Cold upper communicating pipe of cold oil tank interface by on the heat of threeway F and upper communicating pipe and deep fat tank communicating pipe interface link to each other;
The outlet of threeway F links to each other with the import of compressor by non-return valve, and the outlet of compressor links to each other with the interface of gas-holder by threeway G one tunnel, and another road links to each other by the upper end of the threeway E on displacement of reservoir oil pneumatic ball valve and the testpieces heat exchanger exit connecting pipe; The left end outlet of the four-way of testpieces heat interchanger inlet connecting branch links to each other with the cold import D of cold oil tank by the moving ball valve of displacement of reservoir oil cold air, and the right-hand member outlet of four-way links to each other with the hot import D of deep fat tank by the moving ball valve of displacement of reservoir oil hot gas.
Compared with prior art, the present invention has following advantage:
1. added gas displacement of reservoir oil loop on the basis in cold oil loop and heating oil loop, namely between the cooling that replaces and heating process, added a gas oil displacement process, surplus oil in the heat exchanger experiment part is emptied in corresponding the cold oil tank or deep fat tank, being a kind of simple and feasible method of avoiding hot and cold oil string to mix, also is a kind of very energy-conservation scheme;
2. the actuating medium for heat exchanger experiment part heating and cooling process adopts the bottom in and top out connected mode, and in order to reach good oil displacement efficiency, the gas in displacement of reservoir oil loop need to adopt upper entering and lower leaving, so at testpieces heat interchanger inlet connecting branch four-way is set, make the surplus oil in the heat exchanger experiment part as far as possible emptying, flow to respectively cold oil tank and deep fat tank by the moving ball valve of displacement of reservoir oil cold air and the moving ball valve of displacement of reservoir oil hot gas;
3. the gas source of the displacement of reservoir oil can be kept intrasystem pressure equilibrium in the nitrogen of this apparatus system cold oil tank and the covering of deep fat tank top; Covering nitrogen is in order to realize controlled working pressure; Because the heat transfer property of gas is relatively poor, so the gas oil displacement process can't affect heat exchanger materials to the tolerance situation of thermal cold fatigue.
Description of drawings
Fig. 1 is the schematic flow sheet of the embodiment of the invention.
Embodiment
Embodiment is referring to Fig. 1,
A kind of heat interchanger thermal cold fatigue test unit, described thermal cold fatigue test unit comprises cold loop 1, hot loop 2, testpieces cabinet 4, control instrument group 5, and testpieces heat interchanger 6; Control instrument group 5 comprises temperature sensor A5-1, temperature sensor B5-2, temperature sensor C5-3, pressure transducer 5-4 and tensimeter 5-5; Cold loop 1 comprises cold oil tank 1-1, cold oil pump 1-2, refrigeratory 1-3, refrigeration machine 1-4, the moving tee ball valve 1-5 of cold air, the moving ball valve 1-6 of cold air, low temperature valve group 1-7, cold filter set 1-8, cold threeway group 1-9, four-way 1-10, connecting pipe group 1-11; Low temperature valve group 1-7 comprises valve A1-7-1, valve B1-7-2, valve C1-7-3, valve D1-7-4, valve E1-7-5, valve F1-7-6, valve G1-7-7, valve H1-7-8, mends nitrogen valve 1-7-9 and safety valve 1-7-10; Cold filter set 1-8 comprises filtrator A1-8-1, filter B 1-8-2 and filtrator C1-8-3; Cold threeway group 1-9 comprises threeway A1-9-1, threeway B1-9-2, threeway C1-9-3, threeway D1-9-4, threeway E1-9-5 and threeway F1-9-6; Connecting pipe group 1-11 comprises testpieces heat interchanger inlet connecting branch 1-11-1, testpieces heat exchanger exit connecting pipe 1-11-2,1-11-3 of upper communicating pipe and lower communicating tube 1-11-4; Hot loop 2 comprises deep fat tank 2-1, hot oil pump 2-2, electric heater 2-3, the moving tee ball valve 2-5 of hot gas, hot gas moving ball valve 2-6, thermal valve group 2-7 and filtrator D2-8; Thermal valve group 2-7 comprises valve I2-7-1, valve J2-7-2, valve K2-7-3, valve L2-7-4;
It is characterized in that this thermal cold fatigue test unit also is provided with gas displacement of reservoir oil loop 3, comprise compressor 3-1, gas-holder 3-2, displacement of reservoir oil pneumatic ball valve 3-3, the moving ball valve 3-4 of oil extraction cold air, oil extraction hot gas moving ball valve 3-5, non-return valve 3-6 and threeway G3-7;
Cold oil tank 1-1 is provided with cold liquid level gauge 1-1-1, cold import A1-1-2, cold import B1-1-3, cold import C1-1-4, cold outlet 1-1-5, cold lower communicating tube interface 1-1-6, cold interface 1-1-7 of upper communicating pipe, pressure gauge connection 1-1-8, oil-filled interface 1-1-9, relief valve connection 1-1-10 and nitrogen interface 1-1-11; Wherein pressure gauge connection 1-1-8 meets tensimeter 5-5, and oil-filled interface 1-1-9 meets valve H1-7-8, and relief valve connection 1-1-10 meets safety valve 1-7-10, and nitrogen interface 1-1-11 connects and mends nitrogen valve 1-7-9;
Deep fat tank 2-1 is provided with hot liquid level gauge 2-1-1, hot import A2-1-2, hot import B2-1-3, hot import C2-1-4, heat outlet 2-1-5, hot lower communicating tube interface 2-1-6, heat interface 2-1-7 of upper communicating pipe and thermal exhaust interface 2-1-8; Thermal exhaust interface 2-1-8 meets valve L2-7-4;
The cold outlet 1-1-5 of cold oil tank 1-1 is connected with the import of cold oil pump 1-2 with filtrator A1-8-1 by valve A1-7-1, filtrator A1-8-1 inflow point is connected with valve F1-7-6, the outlet of cold oil pump 1-2 links to each other with the oily side-entrance of refrigeratory 1-3 by valve B1-7-2, the oily side outlet of refrigeratory 1-3 connects two circuits by threeway A1-9-1, then converge to threeway B1-9-2, wherein line routing valve C1-7-3, a refrigeration machine 1-4 and valve D1-7-4 are composed in series, and another circuit adopts valve E1-7-5; The outlet of threeway B1-9-2 links to each other with the import of the moving tee ball valve 1-5 of cold air, and the left outlet of the moving tee ball valve 1-5 of cold air links to each other with the cold import A1-1-2 of cold oil tank 1-1, and the right outlet of the moving tee ball valve 1-5 of cold air links to each other with the left import of threeway C1-9-3; The outlet of threeway C1-9-3 links to each other with the import 6-1 of testpieces heat interchanger 6 by testpieces heat interchanger inlet connecting branch 1-11-1, and the outlet 6-2 of testpieces heat interchanger 6 is connected with the import of threeway D1-9-4 by testpieces heat exchanger exit connecting pipe 1-11-2; Testpieces heat interchanger inlet connecting branch 1-11-1 is provided with four-way 1-10, filter B 1-8-2 and temperature sensor A5-1; Testpieces heat exchanger exit connecting pipe 1-11-2 is provided with temperature sensor B5-2, filtrator C1-8-3, pressure transducer 5-4 and threeway E1-9-5; The left outlet of threeway D1-9-4 links to each other with the cold import B1-1-3 of cold oil tank 1-1 by the moving ball valve 1-6 of cold air;
The heat outlet 2-1-5 of deep fat tank 2-1 links to each other with the import of hot oil pump 2-2 with filtrator D2-8 by valve I2-7-1, filtrator D2-8 inflow point is connected with the valve K2-7-3 for discharge opeing, the outlet of hot oil pump 2-2 links to each other with electric heater 2-3 import by valve J2-7-2, the outlet of electric heater 2-3 links to each other with the import of the moving tee ball valve 2-5 of hot gas, is provided with temperature sensor C5-3 in the electric heater outlet; The right outlet of the moving tee ball valve 2-5 of hot gas links to each other with the hot import A2-1-2 of deep fat tank 2-1, and the left outlet of the moving tee ball valve 2-5 of hot gas links to each other with the right import of threeway C1-9-3; The right outlet of threeway D1-9-4 links to each other with the hot import B2-1-3 of deep fat tank 2-1 by the moving ball valve 2-6 of hot gas;
The cold lower communicating tube interface of cold oil tank 1-1-6 links to each other with the hot lower communicating tube interface 2-1-6 of deep fat tank with lower communicating tube 1-11-4 by valve G1-7-7; Interface 1-1-7 of cold upper communicating pipe of cold oil tank links to each other by communicating pipe interface 2-1-7 on the heat of threeway F1-9-6 and upper communicating pipe 1-11-3 and deep fat tank;
The outlet of threeway F1-9-6 links to each other with the import of compressor 3-1 by non-return valve 3-6, the outlet of compressor 3-1 links to each other with the interface 3-2-1 of gas-holder 3-2 by threeway G3-7 one tunnel, and another road links to each other by the upper end of the threeway E1-9-5 on displacement of reservoir oil pneumatic ball valve 3-3 and the testpieces heat exchanger exit connecting pipe 1-11-2; The left end outlet of the four-way 1-10 of testpieces heat interchanger inlet connecting branch 1-11-1 links to each other with the cold import D1-1-4 of cold oil tank by the moving ball valve 3-4 of displacement of reservoir oil cold air, and the right-hand member outlet of four-way 1-10 links to each other with the hot import D2-1-4 of deep fat tank by the moving ball valve 3-5 of displacement of reservoir oil hot gas.
The workflow of described heat interchanger thermal cold fatigue test unit is as follows:
The cold oil that comes from cold oil tank 1-1 through refrigeratory 1-3, refrigeration machine 1-4 separately or the series connection cooling, flow to the entrance of the moving tee ball valve 1-5 of cold air after cold oil pump 1-2 boosts; When the cooling procedure of heat exchanger experiment part, cold oil is along the right outlet of the moving tee ball valve 1-5 of cold air, enter the testpieces heat interchanger through threeway C1-9-3 and testpieces heat interchanger inlet connecting branch 1-11-1, then return the cold oil tank along testpieces heat exchanger exit connecting pipe 1-11-2, threeway D1-9-4 and the moving ball valve 1-6 of cold air; And when the non-cooling procedure of heat exchanger experiment part, directly return the cold oil tank along the left outlet of the moving tee ball valve 1-5 of cold air.
Deep fat from deep fat tank 2-1 through electric heater 2-3 heat temperature raising, flow to the entrance of the moving tee ball valve 2-5 of hot gas after hot oil pump 2-2 boosts; When the heating process of heat exchanger experiment part, left outlet along the moving tee ball valve 2-5 of hot gas, enter the testpieces heat interchanger through threeway C1-9-3 and testpieces heat interchanger inlet connecting branch 1-11-1, then return the deep fat tank along testpieces heat exchanger exit connecting pipe 1-11-2, threeway D1-9-4 and the moving ball valve 2-6 of hot gas; And when the non-heating process of heat exchanger experiment part, deep fat directly returns the deep fat tank along the right outlet of the moving tee ball valve 1-5 of hot gas.
Cold oil tank and deep fat tank top cover nitrogen with the test pressure of acquisition testpieces heat interchanger, and use the pressure equilibrium that communicating pipe 1-11-3 makes 2 oil tanks, make the liquid level equilibrium of 2 oil tanks with lower communicating tube 1-11-4.
Between the cooling procedure that hockets and heating process, oil displacement process is set.The threeway F1-9-6 extracting gases that was connected with upper communicating pipe by cold oil tank side enters compressor 3-1 through non-return valve 3-6; When the non-oil displacement process of heat exchanger experiment part (cooling procedure or heating process), displacement of reservoir oil pneumatic ball valve 3-3 closes, and compressor 3-1 exit gas is to gas-holder 3-2 exhaust; When the oil displacement process of heat exchanger experiment part, displacement of reservoir oil pneumatic ball valve 3-3 opens, from the gas of compressor 3-1 and the gas-holder 3-2 testpieces heat exchanger exit connecting pipe 1-11-2 higher through threeway E1-9-5 in-position, with the surplus oil testpieces heat interchanger inlet connecting branch 1-11-1 lower along the position in the testpieces heat interchanger 6, enter cold oil tank or deep fat tank by four-way 1-10 through the moving ball valve 3-4 of oil extraction cold air or the moving ball valve 3-5 of oil extraction hot gas.
The switching in cold loop, hot loop and displacement of reservoir oil loop is to implement according to the temperature sensor signal on the testpieces heat exchanger exit connecting pipe; The outlet temperature of electric heater sensor then is for the overtemperature prote to electric heater.
It is for fear of bringing the bits of the aluminium in testpieces heat interchanger foreign material into system that filter B 1-8-2 and filtrator C1-8-3 are set.It then is in order to guarantee the normal operation of hot and cold oil pump and each valve that filtrator A1-8-1 and filtrator D2-8 are set.
Claims (1)
1. heat interchanger thermal cold fatigue test unit, described thermal cold fatigue test unit comprises cold loop (1), hot loop (2), testpieces cabinet (4), control instrument group (5), and testpieces heat interchanger (6); Control instrument group (5) comprises temperature sensor A (5-1), temperature sensor B (5-2), temperature sensor C (5-3), pressure transducer (5-4) and tensimeter (5-5); Cold loop (1) comprises cold oil tank (1-1), cold oil pump (1-2), refrigeratory (1-3), refrigeration machine (1-4), the moving tee ball valve (1-5) of cold air, the moving ball valve (1-6) of cold air, low temperature valve group (1-7), cold filter set (1-8), cold threeway group (1-9), four-way (1-10), connecting pipe group (1-11); Low temperature valve group (1-7) comprises valve A (1-7-1), valve B (1-7-2), valve C (1-7-3), valve D (1-7-4), valve E (1-7-5), valve F (1-7-6), valve G (1-7-7), valve H (1-7-8), mends nitrogen valve (1-7-9) and safety valve (1-7-10); Cold filter set (1-8) comprises filtrator A (1-8-1), filter B (1-8-2) and filtrator C (1-8-3); Cold threeway group (1-9) comprises threeway A (1-9-1), threeway B (1-9-2), threeway C (1-9-3), threeway D (1-9-4), threeway E (1-9-5) and threeway F (1-9-6); Connecting pipe group (1-11) comprises testpieces heat interchanger inlet connecting branch (1-11-1), testpieces heat exchanger exit connecting pipe (1-11-2), upper communicating pipe (1-11-3) and lower communicating tube (1-11-4); Hot loop (2) comprises deep fat tank (2-1), hot oil pump (2-2), electric heater (2-3), the moving tee ball valve (2-5) of hot gas, hot gas moving ball valve (2-6), thermal valve group (2-7) and filtrator D (2-8); Thermal valve group (2-7) comprises valve I (2-7-1), valve J (2-7-2), valve K (2-7-3), valve L (2-7-4);
It is characterized in that, this thermal cold fatigue test unit also is provided with gas displacement of reservoir oil loop (3), comprises compressor (3-1), gas-holder (3-2), displacement of reservoir oil pneumatic ball valve (3-3), the moving ball valve (3-4) of oil extraction cold air, oil extraction hot gas moving ball valve (3-5), non-return valve (3-6) and threeway G (3-7);
Cold oil tank (1-1) is provided with cold liquid level gauge (1-1-1), cold import A (1-1-2), cold import B (1-1-3), cold import C (1-1-4), cold outlet (1-1-5), cold lower communicating tube interface (1-1-6), cold interface of upper communicating pipe (1-1-7), pressure gauge connection (1-1-8), oil-filled interface (1-1-9), relief valve connection (1-1-10) and nitrogen interface (1-1-11); Wherein pressure gauge connection (1-1-8) connects tensimeter (5-5), oil-filled interface (1-1-9) meets valve H (1-7-8), relief valve connection (1-1-10) connects safety valve (1-7-10), and nitrogen interface (1-1-11) connects mends nitrogen valve (1-7-9);
Deep fat tank (2-1) is provided with hot liquid level gauge (2-1-1), hot import A (2-1-2), hot import B (2-1-3), hot import C (2-1-4), heat outlet (2-1-5), hot lower communicating tube interface (2-1-6), heat interface of upper communicating pipe (2-1-7) and thermal exhaust interface (2-1-8); Thermal exhaust interface (2-1-8) meets valve L (2-7-4);
The cold outlet (1-1-5) of cold oil tank (1-1) is connected with the import of cold oil pump (1-2) with filtrator A (1-8-1) by valve A (1-7-1), filtrator A (1-8-1) inflow point is connected with valve F (1-7-6), the outlet of cold oil pump (1-2) links to each other with the oily side-entrance of refrigeratory (1-3) by valve B (1-7-2), the oily side outlet of refrigeratory (1-3) connects two circuits by threeway A (1-9-1), then converge to threeway B (1-9-2), a line routing valve C (1-7-3) wherein, refrigeration machine (1-4) and valve D (1-7-4) are composed in series, and another circuit adopts valve E (1-7-5); The outlet of threeway B (1-9-2) links to each other with the import of the moving tee ball valve (1-5) of cold air, the left outlet that cold air moves tee ball valve (1-5) links to each other with the cold import A (1-1-2) of cold oil tank (1-1), and the right outlet that cold air moves tee ball valve (1-5) links to each other with the left import of threeway C (1-9-3); The outlet of threeway C (1-9-3) links to each other with the import (6-1) of testpieces heat interchanger (6) by testpieces heat interchanger inlet connecting branch (1-11-1), and the outlet (6-2) of testpieces heat interchanger (6) is connected by the import of testpieces heat exchanger exit connecting pipe (1-11-2) with threeway D (1-9-4); Testpieces heat interchanger inlet connecting branch (1-11-1) is provided with four-way (1-10), filter B (1-8-2) and temperature sensor A (5-1); Testpieces heat exchanger exit connecting pipe (1-11-2) is provided with temperature sensor B (5-2), filtrator C (1-8-3), pressure transducer (5-4) and threeway E (1-9-5); The left outlet of threeway D (1-9-4) links to each other with the cold import B (1-1-3) of cold oil tank (1-1) by the moving ball valve (1-6) of cold air;
The heat outlet (2-1-5) of deep fat tank (2-1) links to each other with the import of hot oil pump (2-2) with filtrator D (2-8) by valve I (2-7-1), filtrator D (2-8) inflow point is connected with the valve K (2-7-3) for discharge opeing, the outlet of hot oil pump (2-2) links to each other with electric heater (2-3) import by valve J (2-7-2), the outlet of electric heater (2-3) links to each other with the import of the moving tee ball valve (2-5) of hot gas, is provided with temperature sensor C (5-3) in the electric heater outlet; The right outlet that hot gas moves tee ball valve (2-5) links to each other with the hot import A (2-1-2) of deep fat tank (2-1), and the left outlet that hot gas moves tee ball valve (2-5) links to each other with the right import of threeway C (1-9-3); The right outlet of threeway D (1-9-4) links to each other with the hot import B (2-1-3) of deep fat tank (2-1) by the moving ball valve (2-6) of hot gas;
The cold lower communicating tube interface of cold oil tank (1-1-6) links to each other with the hot lower communicating tube interface (2-1-6) of deep fat tank with lower communicating tube (1-11-4) by valve G (1-7-7); Interface of cold upper communicating pipe of cold oil tank (1-1-7) linked to each other by communicating pipe interface (2-1-7) on the heat of threeway F (1-9-6) and upper communicating pipe (1-11-3) and deep fat tank;
The outlet of threeway F (1-9-6) links to each other with the import of compressor (3-1) by non-return valve (3-6), the outlet of compressor (3-1) links to each other with the interface (3-2-1) of gas-holder (3-2) by threeway G (3-7) a tunnel, and another road links to each other by the upper end of the threeway E (1-9-5) on displacement of reservoir oil pneumatic ball valve (3-3) and the testpieces heat exchanger exit connecting pipe (1-11-2); The left end outlet of the four-way (1-10) of testpieces heat interchanger inlet connecting branch (1-11-1) links to each other with the cold import D (1-1-4) of cold oil tank by the moving ball valve (3-4) of displacement of reservoir oil cold air, and the right-hand member outlet of four-way (1-10) links to each other with the hot import D (2-1-4) of deep fat tank by the moving ball valve (3-5) of displacement of reservoir oil hot gas.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109030557A (en) * | 2018-10-15 | 2018-12-18 | 南京航空航天大学 | A kind of electric automobile power battery temperature control plate testing device for heat transferring performance and method |
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| DE19854774C2 (en) * | 1998-11-27 | 2000-11-16 | Bosch Gmbh Robert | Test bench for water heaters, especially for gas-fired instantaneous water heaters |
| CN101587027A (en) * | 2009-06-23 | 2009-11-25 | 上海理工大学 | System for testing heat-transfer performance of gas-water-oil heat interchanger |
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| CN102313579A (en) * | 2011-09-01 | 2012-01-11 | 东南大学 | Compound cold and hot water circulating system for heat exchanger performance test |
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| SU1297125A1 (en) * | 1985-04-01 | 1987-03-15 | Всесоюзный Научно-Исследовательский,Проектно-Конструкторский И Технологический Институт Трансформаторостроения | Installation for testing heat exchangers |
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| DE19854774C2 (en) * | 1998-11-27 | 2000-11-16 | Bosch Gmbh Robert | Test bench for water heaters, especially for gas-fired instantaneous water heaters |
| CN101587027A (en) * | 2009-06-23 | 2009-11-25 | 上海理工大学 | System for testing heat-transfer performance of gas-water-oil heat interchanger |
| CN201607337U (en) * | 2010-01-28 | 2010-10-13 | 刘广宏 | Test-bed used for testing compression resistance and thermal shock resistance of combustion engine heat exchanger |
| CN102313579A (en) * | 2011-09-01 | 2012-01-11 | 东南大学 | Compound cold and hot water circulating system for heat exchanger performance test |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109030557A (en) * | 2018-10-15 | 2018-12-18 | 南京航空航天大学 | A kind of electric automobile power battery temperature control plate testing device for heat transferring performance and method |
| CN109030557B (en) * | 2018-10-15 | 2023-08-08 | 南京航空航天大学 | Device and method for testing heat transfer performance of temperature control plate of power battery of electric automobile |
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| Publication number | Publication date |
|---|---|
| CN102944439B (en) | 2014-10-29 |
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