CN206579444U - A kind of heating heat-exchange system of automobile - Google Patents

Abstract

The utility model provides a kind of automobile and heats heat-exchange system, including heater, water tank, heat-exchanger rig, service on buses or trains storehouse heating system and battery compartment heating system, heat-exchanger rig is connected between the heater and water tank, the battery compartment heating system connects water tank by pipeline, fluid in the heat-exchanger rig is absorbed heat in the heater, then the water transferred heat in water tank, water in the water tank enters battery compartment heating system by battery compartment heating system entrance pipe, then enters water tank by the outlet of battery compartment heating system；Service on buses or trains storehouse heating system connects water tank by pipeline, and the water in the water tank enters service on buses or trains storehouse heating system by service on buses or trains storehouse heating system entrance pipe, then enters water tank by the outlet of service on buses or trains storehouse heating system.The heating heat-exchange system of the utility model automobile, its compact conformation is lightweight, simple in construction, easy for installation, is adapted to the use of various Large Electric vehicles.

Description

A kind of heating heat-exchange system of automobile

Technical field

The utility model, which is related to one kind, is used for heating and heat-exchange system on electric bus vehicle, specifically, is related to one kind The system for being heated and being exchanged heat to passenger cabin.

Background technology

At present, automobile, aircushion vehicle, offroad vehicle, various military and civilian's conveying mechanicals such as communication truck typically all set heating system Carry out heat supply.With fuel oil increasingly in short supply and atmosphere pollution it is increasingly serious, many automobiles use economy and discharge performance instead More preferable volatile liquid fuel or gaseous fuel.But heating heat-exchange system is never used on Large Electric vehicle at present Cross, such as electric bus, bus etc..And current heating system generally existing is complicated, volume is big, weight is heavy, peace The shortcomings of dress is difficult.Therefore it is badly in need of developing a kind of new heating system.

Utility model content

The problem of the utility model is directed to above-mentioned, it is proposed that the heating heat-exchange system that a kind of new automobile is used, to overcome Current defect.

To achieve these goals, the technical solution of the utility model is as follows：

A kind of automobile heats heat-exchange system, including heater, water tank, heat-exchanger rig, service on buses or trains storehouse heating system and battery compartment Heating system, connects heat-exchanger rig between the heater and water tank, the battery compartment heating system connects water tank by pipeline, Fluid in the heat-exchanger rig is absorbed heat in the heater, the water then transferred heat in water tank, in the water tank Water by battery compartment heating system entrance pipe enter battery compartment heating system, then by battery compartment heating system export into Enter water tank；

Service on buses or trains storehouse heating system connects the water in water tank, the water tank by pipeline and entered by service on buses or trains storehouse heating system Mouth pipeline enters service on buses or trains storehouse heating system, then enters water tank by the outlet of service on buses or trains storehouse heating system.

Preferably, the heater is fuel heater.

Preferably, the fluid in the heat-exchanger rig is the water in water tank, the water in water tank passes through heat-exchanger rig entrance Pipeline enters heat-exchanger rig, is heated in the heater, then enters water tank by heat-exchanger rig export pipeline.

Preferably, described heat-exchanger rig entrance pipe, which is set in valve, described water tank, sets temperature sensor, use In the temperature of water in measurement water tank, the progress communication of the valve and temperature sensor and controller is connected, the controller according to The aperture of the temperature control valve of water in the water tank of measurement.

Preferably, if water temperature is higher than upper limit fixed number value, controller reduces the aperture of entrance pipe valve automatically；If Water temperature is less than lower numerical limit, and controller improves the aperture of entrance pipe valve automatically.

Preferably, when the temperature of measurement is higher than the first temperature, controller controls the aperture of entrance tube valve to be first Aperture；When the temperature of measurement is higher than the second temperature higher than the first temperature, controller control the aperture of entrance tube valve for than The second small aperture of first aperture；When the temperature of measurement is higher than three temperature higher than second temperature, controller control entrance The aperture of tube valve is threeth aperture smaller than the second aperture；When the temperature of measurement is higher than fourth temperature higher than the 3rd temperature When, controller controls the aperture of entrance tube valve to be fourth aperture smaller than the 3rd aperture；When the temperature of measurement is higher than than the 4th During high five temperature of temperature, controller controls the aperture of entrance tube valve to close.

Preferably, the first temperature is more than 4-6 degrees Celsius of second temperature, second temperature is more than the 3rd 4-6 degrees Celsius of temperature, 3rd temperature is more than the 4th 4-6 degrees Celsius of temperature, and the 4th temperature is more than the 5th 4-6 degrees Celsius of temperature.

Preferably, the 4th aperture is 1.6-1.8 times of the 3rd aperture, the 3rd aperture is 1.5-1.7 times of the second aperture, Second aperture is 1.3-1.5 times of the first aperture.

Preferably, setting electric heater unit in the water tank, the electric heater unit includes left pipe box, right pipe box and floated Moving plate pipe, floating coiled pipe is connected with left pipe box and right pipe box, forms heating fluid closed circulation, and electrically heated rod is arranged on left pipe In case and right pipe box；Filling heating fluid in left pipe box, right pipe box and floating coiled pipe；Floating coiled pipe is one or more, often Individual floating coiled pipe includes the tube bank of many circular arc, and the center line of the tube bank of many circular arc is the circular arc of concentric circles, adjacent tubes The end connection of beam, so that the end of tube bank forms tube bank free end.

Preferably, the concentric circles is the circle using the center of left pipe box as the center of circle, the internal diameter of left pipe box is the first diameter, The internal diameter of right pipe box is Second bobbin diameter, and the power of the electrically heated rod of left pipe box is the first power, the work(of the electrically heated rod of right pipe box Rate is the second power, meets following relation：

Coefficient * (the first diameter/Second bobbin diameter) 2- the second coefficient * (the first diameter/the of the power of first power/second=first Two diameters) the+the three coefficient；

First coefficient, the second coefficient, the 3rd coefficient is coefficient, wherein 0.82<First coefficient<0.91,1.95<Second coefficient <2.05,2.67<3rd coefficient<2.77；

Wherein 58mm<First diameter<87mm;

29mm<Second bobbin diameter<68mm；

1.2<First diameter/Second bobbin diameter<2.1；

1900W<First power<3000W；

800W<Second power<2000W.

Compared with prior art, the utility model has the following advantages：

1）The utility model is lightweight, simple in construction by providing a kind of new heating heat-exchange system, its compact conformation, It is easy for installation, it is adapted to the use of various Large Electric vehicles.

2）The utility model is set by the position of heat-exchanger rig and the gateway pipeline of heater, it is ensured that heating system With making full use of for the energy of heat-exchange system, the energy is saved.

3）The utility model provides a kind of electric heater unit of the auxiliary heating of Novel structure, with not enough in heating system In the case of carry out energy supplement.

4）Electric heater unit is heated using floating coiled pipe, and by setting floating coiled pipe, body can be produced after heating fluid is heated Product expansion, induction floating coiled pipe free end BC, B ' C ' vibration is produced, so that augmentation of heat transfer.

5）The utility model improves the efficiency of heating surface and its heating by the setting of the electric heater capacity of different bobbin carriages Uniformity.

Brief description of the drawings

Fig. 1 is the schematic bottom view of the utility model automobile.

Fig. 2 is the side schematic view of automobile of the present utility model.

Fig. 3 is the another side schematic diagram of automobile of the present utility model.

The front view of Fig. 4 the utility model automobiles.

Fig. 5 is that heat-exchange system schematic flow sheet is heated in service on buses or trains storehouse of the present utility model.

Fig. 6 is the hot heat-exchange system schematic flow sheet of battery compartment of the present utility model.

Fig. 7 is that hot systems schematic flow sheet is gone back in overall heating of the present utility model.

Fig. 8 is electric heater unit section view.

Fig. 9 is the Section A-A view in Fig. 8.

Figure 10 is the scale diagrams of Fig. 9 structures.

Figure 11 is the summary diagram for heating heat-exchange system

Reference is as follows：

1 passenger cabin heating system, 2 water pumps, 3 valves, 4 valves, 5 water pumps, 6 cooling water tanks, 7 battery compartment heating systems, 8 electricity Pond storehouse temperature sensor, 9 electric heater units, 10 controllers, 11 automobile instruments, 12 temperature sensors, 13 valves, 14 water pumps, 15 Heater, 16 water tanks, 17 heat-exchanger rig export pipelines, 18 passenger cabin heating system entrance pipes, 19 battery compartment heating systems go out Mouth pipeline, 20 cooling water tank inlet valves, 21 heat-exchanger rigs；22 floating coiled pipes, 23 left pipe box, 24 free ends, 25 right pipe box, 26 tube banks, 27 electric heaters, 271 first electrically heated rods, 272 second electrically heated rods, 28 passenger cabin temperature sensors；

In Fig. 1, d1 represents the water inlet pipe and water outlet pipe of heater, and d2 represents the backwater of battery compartment and service on buses or trains cabin heating system, d3 tables Show 3 water pumps 2,5,14.

Embodiment

Embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings.

Herein, if without specified otherwise, being related to formula, "/" represents division, and "×", " * " represent multiplication.

First purpose of the present utility model is to provide a kind of system for being heated and being exchanged heat to passenger cabin.

As shown in drawings, the automobile heating heat exchange system used on a kind of automobile heating heat-exchange system, especially electric bus System, including heater 15, water tank 16, heat-exchanger rig 21 and passenger cabin heating system 1, connect between the heater 15 and water tank 16 Heat-exchanger rig 21 is connect, the passenger cabin heating system 1 connects the fluid in water tank 16, the heat-exchanger rig 21 by pipeline and added Absorbed heat in hot device 15, the water then transferred heat in water tank 16, the water in the water tank 16 passes through passenger cabin heat supply The entrance pipe 18 of system 1 enters passenger cabin heating system 1, then enters water tank 16 by passenger cabin heating system export pipeline.

The utility model is by setting heating heat-exchange system to heat passenger cabin, it is ensured that the temperature in passenger cabin.

Preferably, the heater 15 is fuel heater.

Preferably, the fluid in the heat-exchanger rig 21 is the water in water tank 16, the water in water tank 16 is filled by exchanging heat 21 entrance pipes are put into heat-exchanger rig 21, is heated, is then entered by the export pipeline of heat-exchanger rig 21 in heater 15 Enter water tank 16.

Preferably, the heat-exchanger rig 21 is one or more spiral heat exchange tubes.

Preferably, as shown in figure 5, the entrance pipe of the heat-exchanger rig 21 is located at the upper of the export pipeline of heat-exchanger rig 21 Portion, the export pipeline of described passenger cabin heating system 1 than passenger cabin heating system 1 entrance pipe closer to heat-exchanger rig 21 Entrance pipe is set.By being arranged such, it can make it that the water after being exchanged heat by passenger cabin heating system is more convenient Heated into heater so that the fluid of heater heating more has specific aim, improves the efficiency of heating.

Preferably, the entrance of the entrance pipe of the passenger cabin heating system is close to the export pipeline of heat-exchanger rig 1 Outlet is set.By being arranged such, the water after being heated by heater can be caused more easily to enter passenger cabin more In hot systems, the efficiency of heat supply is improved.

Preferably, fuel heater 1 sets automatic oil supplying device, the automatic oil supplying device is supplied using pulse Oil.

Preferably, combustion-supporting blast combustion device and heat-exchanger rig 1 are vertically-mounted.

Preferably, described heater 15 and water tank 16 are located at the lower position of headstock, as shown in Figure 1.

Preferably, passenger cabin heating system 1 sets radiator.

Second purpose of the present utility model is to provide a kind of passenger cabin heating heat-exchange system of intelligent control, referring specifically to Fig. 5.

Preferably, the described entrance pipe 18 of passenger cabin heating system 1 sets water pump 2, described passenger cabin heat supply system Temperature sensor 28 is set in system 1, for measuring the temperature in passenger cabin, the water pump 2, temperature sensor 29 and controller 10 Carry out communication connection, opening and closing and power of the controller 10 according to the temperature control water pump 2 of measurement.

Preferably, if the temperature in the passenger cabin of measurement is higher than certain numerical value, controller 10 reduces water pump 2 automatically Power；If temperature is less than certain numerical value, controller 10 improves the power of water pump 2 automatically.

Preferably, when the temperature of measurement is higher than the first temperature, controller 10 controls the power of water pump 2 to be the first work( Rate；When the temperature of measurement is higher than the second temperature higher than the first temperature, controller 10 controls the power of water pump 2 to be than the first work( The second small power of rate；When the temperature of measurement is higher than three temperature higher than second temperature, controller controls the power of water pump For threeth power smaller than the second power；When the temperature of measurement is higher than four temperature higher than the 3rd temperature, controller control The power of water pump is fourth power smaller than the 3rd power；When the temperature of measurement is higher than five temperature higher than the 4th temperature, Controller control water pump is closed.

If preferably, the temperature of measurement is higher than upper limit fixed number value, the automatic closing water pump 2 of controller 10；If temperature Less than lower numerical limit, controller 10 automatically opens up water pump 2.

Preferably, described limit value is 25 degrees Celsius, lower numerical limit is 10 degrees Celsius.

Preferably, the first temperature is less than 2-4 degrees Celsius of second temperature, second temperature is less than the 3rd 2-4 degrees Celsius of temperature, 3rd temperature is less than the 4th 2-4 degrees Celsius of temperature, and the 4th temperature is less than the 5th 2-4 degrees Celsius of temperature.

Preferably, the 4th frequency is 1.6-1.8 times of the 3rd frequency, the 3rd frequency is 1.5-1.7 times of second frequency, Second frequency is 1.3-1.5 times of first frequency.

Preferably, the first temperature, second temperature, the 3rd temperature, the 4th temperature, the 5th temperature successively reduction amplitude not Disconnected reduction.

Further preferably, the first temperature is less than 3.5-4 degrees Celsius of second temperature, and second temperature is less than the 3rd temperature 3-3.5 Degree Celsius, the 3rd temperature is less than the 4th 2.5-3 degrees Celsius of temperature, and the 4th temperature is less than the 5th 2-2.5 degrees Celsius of temperature.

, can be with especially by the setting of differential heating power and the temperature difference by the preferred of said temperature and power The efficiency of heating surface is further improved, the time is saved.It is found through experiments that, it is possible to increase 18-21% or so heating efficiency, simultaneously Heating time can be saved, recovers as soon as possible and keeps the temperature of passenger cabin constant.

Preferably, the controller 10 is connected with vehicle instrument panel 11, so as to by data display on dashboard 11.

Preferably, setting valve 3 on the entrance pipe of passenger cabin heating system, the valve is preferably hand valve.

The system that 3rd purpose of the present utility model is to provide a kind of heating being incubated to battery compartment and heat exchange, tool Body is referring to Fig. 6.

Preferably, the system further comprises that the water in battery compartment heating system 7, the water tank 16 passes through battery compartment The entrance pipe of heating system 7 enters battery compartment heating system 7, then enters water by the export pipeline 19 of battery compartment heating system 7 Case 16.

The utility model is by setting heating heat-exchange system to heat battery compartment, it is ensured that the temperature in battery compartment, Battery is normally run, it is to avoid because the failure of the caused automobile of supercooling.

Preferably, the system sets the bypass line in parallel with the export pipeline of battery compartment heating system 7, the side Cooling water tank 6 is set on siphunculus road, and the cooling water tank 6 is circulated with the formation of battery compartment heating system.

Cold water is set in described cooling water tank 6, in the situation that battery compartment temperature is too high, passes through the water circulation of cooling water tank Cooled into battery compartment, it is ensured that the normal operation of the battery in battery compartment.

Preferably, setting valve 20,28 respectively on described bypass line and export pipeline connected in parallel.Pass through valve Door can select to be opened and closed the pipeline circulation of cooling water tank or the circulation of water in water tank 16, to meet in battery compartment overheat or Different heat exchange strategies are taken in the case of supercooling.

4th purpose of the present utility model is to provide a kind of heating heat-exchange system of the automobile batteries insulation of intelligent control, Referring specifically to Fig. 6.

Water pump 5 is set as further preferred, the described entrance pipe of battery compartment heating system 2, described battery compartment is supplied Hot systems set temperature sensor 8, for measuring the temperature in battery compartment, the water pump 5, temperature sensor 8 and controller 10 Communication connection is carried out, the controller 10 is according to the power of the temperature control water pump 5 of the battery compartment of measurement.

The utility model is by way of intelligent control, it is ensured that in winter, the battery of electric bus can be normal Operation, has saved the energy.

Preferably, if the temperature of battery compartment is higher than upper limit fixed number value, controller 10 reduces the power of water pump automatically；Such as The temperature of fruit battery compartment is less than lower numerical limit, and controller 10 improves the power of water pump 5 automatically.

Preferably, when the temperature of measurement is higher than the first temperature, controller controls the power of water pump to be the first power；When When the temperature of measurement is higher than the second temperature higher than the first temperature, controller control the power of water pump to be smaller than the first power by the Two power；When the temperature of measurement is higher than three temperature higher than second temperature, controller controls the power of water pump to be than second The 3rd small power of power；When the temperature of measurement is higher than four temperature higher than the 3rd temperature, controller controls the work(of water pump Rate is fourth power smaller than the 3rd power；When the temperature of measurement is higher than five temperature higher than the 4th temperature, controller control Water pump processed is closed.

Preferably, first temperature is more than 0.8-1.7 degrees Celsius of second temperature, second temperature is more than the 3rd temperature 0.8-1.7 degrees Celsius, the 3rd temperature is more than the 4th 0.8-1.7 degrees Celsius of temperature, and the 4th temperature is taken the photograph more than the 5th temperature 0.8-1.7 Family name's degree.

Preferably, the 4th frequency is 1.6-1.8 times of the 3rd frequency, the 3rd frequency is 1.5-1.7 times of second frequency, Second frequency is 1.3-1.5 times of first frequency.

If preferably, temperature is higher than limit value, controller automatic closing water pump 5；If temperature is less than lower limit number Value, controller automatically opens up water pump.

Preferably, described limit value is 10 degrees Celsius, lower numerical limit is 5 degrees Celsius.

Preferably, when the temperature of measurement exceedes certain temperature, then the control cooling water tank 6 of controller 10 and battery compartment radiate System 8 is circulated.

Preferably, the valve 20,4 on described bypass line and export pipeline connected in parallel enters line number with controller According to connection, controller according to the temperature of measurement selection opening and closing valve, to meet difference in the case of take different heat exchange strategies. If temperature is too high, circulated between cooling water tank and battery compartment, if temperature is too low, between water tank 16 and battery compartment Circulation.

5th purpose of the present utility model is to provide a kind of heating heat-exchange system of the electric automobile of synthesis, including Passenger cabin heat supply heating heat-exchange system and battery thermal heating heat-exchange system noted earlier.First purpose i.e. above With the combination of the 3rd purpose.Referring specifically to Fig. 7.

Preferably, described heat-exchanger rig entrance pipe, which is set in valve 13, described water tank, sets temperature sensor 12, the temperature for measuring water in water tank, the valve 13 and temperature sensor 12 carry out communication with controller 10 and are connected, described Controller is according to the aperture of the temperature control valve of water in the water tank of measurement.

Preferably, if water temperature is higher than upper limit fixed number value, controller reduces the aperture of entrance pipe valve automatically；If Water temperature is less than lower numerical limit, and controller improves the aperture of entrance pipe valve automatically.

Preferably, when the temperature of measurement is higher than the first temperature, controller controls the aperture of entrance tube valve to be first Aperture；When the temperature of measurement is higher than the second temperature higher than the first temperature, controller control the aperture of entrance tube valve for than The second small aperture of first aperture；When the temperature of measurement is higher than three temperature higher than second temperature, controller control entrance The aperture of tube valve is threeth aperture smaller than the second aperture；When the temperature of measurement is higher than fourth temperature higher than the 3rd temperature When, controller controls the aperture of entrance tube valve to be fourth aperture smaller than the 3rd aperture；When the temperature of measurement is higher than than the 4th During high five temperature of temperature, controller controls the aperture of entrance tube valve to close.

Preferably, the first temperature is more than 4-6 degrees Celsius of second temperature, second temperature is more than the 3rd 4-6 degrees Celsius of temperature, 3rd temperature is more than the 4th 4-6 degrees Celsius of temperature, and the 4th temperature is more than the 5th 4-6 degrees Celsius of temperature.

Preferably, the 4th aperture is 1.6-1.8 times of the 3rd aperture, the 3rd aperture is 1.5-1.7 times of the second aperture, Second aperture is 1.3-1.5 times of the first aperture.

6th purpose of the present utility model is to provide a kind of automobile heating heat-exchange system of electric heater unit intelligent starting.

Preferably, the system includes electric heater unit 9, the electric heater unit 9 is arranged in water tank 16, the water 16 set temperature sensor 12, the temperature for measuring water in water tank 16, the temperature sensor 12, electric heater unit 9 in case Data cube computation, when heater 15 works, the water temperature control that controller 10 is measured according to temperature sensor 12 are carried out with controller 10 The startup of electric heater unit 9 processed and/or the change of heating power.

By setting electric heater unit 9, can cause can not be in the case of normal work in heater, or can not meet In the case of heat exchange demand, auxiliary heating is carried out.

Preferably, when water temperature is less than lower numerical limit, electric heater unit 9 works automatically, when water temperature is higher than limit value, Electric heater unit 9 is stopped.

Preferably, the lower numerical limit is 80 DEG C, the limit value is 95 DEG C.

Preferably, if detection temperature data are less than the first numerical value, controller 10 improves electric heater unit 10 automatically Heating power, if measurement temperature data be higher than second value, controller 10 stop electric heater unit 10 heating, institute Second value is stated more than the first numerical value.

Preferably, when the temperature of measurement is less than the first temperature, electric heater unit 10 starts heating, and with the first power Heated；When the temperature of measurement is less than the second temperature lower than the first temperature, electric heater unit 10 is with higher than the first power The second power heated；When the temperature of measurement is less than three temperature lower than second temperature, electric heater unit 10 is with height Heated in the 3rd power of the second power；When the temperature of measurement is less than four temperature lower than the 3rd temperature, electrical heating Device 10 is heated with the 4th power higher than the 3rd power；When the temperature of measurement is less than fiveth temperature lower than the 4th temperature When, electric heater unit 10 is heated with the 5th power higher than the 4th power.

Preferably, the first temperature is more than 4-6 degrees Celsius of second temperature, second temperature is more than the 3rd 4-6 degrees Celsius of temperature, 3rd temperature is more than the 4th 4-6 degrees Celsius of temperature, and the 4th temperature is more than the 5th 4-6 degrees Celsius of temperature.

Further preferably, the first temperature is more than 3.8-4.3 degrees Celsius of second temperature, and second temperature is more than the 3rd temperature 3.3- 4.3.8 degree Celsius, the 3rd temperature is more than the 4th 3.3-3.8 degrees Celsius of temperature, and it is Celsius that the 4th temperature is more than the 5th temperature 2.8-3.3 Degree.

Preferably, the 5th power is 1.1-1.3 times of the 4th power, the 4th power is 1.1-1.3 times of the 3rd power, 3rd power is 1.1-1.3 times of the second power, and the second power is 1.1-1.3 times of the first power.

Preferably, the 5th power is 1.1-1.15 times of the 4th power, the 4th power is the 1.15-1.2 of the 3rd power Times, the 3rd power is 1.2-1.25 times of the second power, and the second power is 1.25-1.3 times of the first power.

, can be with especially by the setting of differential heating power and the temperature difference by the preferred of said temperature and power The efficiency of heating surface is further improved, the time is saved.It is found through experiments that, it is possible to increase 15-20% or so the efficiency of heating surface.

Preferably, the temperature sensor 12 is multiple, wherein at least one temperature sensor is arranged on going out for water tank The mouth of a river (position that i.e. water tank is connected with heat-exchanger rig entrance pipe) position, for measuring the temperature of outlet hot water, at least one Individual temperature sensor is arranged on the position of the water inlet of water tank（The position that i.e. water tank is connected with heat-exchanger rig export pipeline）, it is used for The water temperature of cold water at entry position is measured, wherein at least one temperature sensor is arranged on the other positions of water tank, for measuring The temperature of the water of water tank other positions, the temperature data of the foundation of controller 10 is the temperature of multiple temperature sensor measurements, To control the operation of electric heater.

Preferably, the temperature sensor 12 is arranged on the delivery port position of water tank, for measuring the temperature of outlet hot water Degree, the control is controlled by the temperature of the outlet hot water of temperature sensor measurement.

Fig. 8 illustrates the tangent plane schematic diagram of electric heater, as shown in figure 8, the electric heater includes being located in water tank Electric heater unit 10, the electric heater unit 10 includes left pipe box 23, right pipe box 25 and floating coiled pipe 22, floating coiled pipe 22 and a left side Bobbin carriage 23 is connected with right pipe box 25, and heating fluid carries out closing in left pipe box 23 and right pipe box 25 and floating coiled pipe and followed Electric heater 27 is set in ring, the electric heater unit 10, and the electric heater 27 is used for the interior stream for heating electric heater unit 10 Body, then heats the water in water tank by the fluid of heating.

Preferably, electric heater unit 10 is arranged in left pipe box 23 or right pipe box 25.

Floating coiled pipe 22 is one group or multigroup, and every group of floating coiled pipe 22 includes the tube bank 26 of many circular arc, many circles The center line of the tube bank 26 of arc is the circular arc of concentric circles, the end connection of adjacent tube bank 26, so that the end of coil pipe 22 The free end 24 formed in tube bank free end 24, such as Fig. 6.

Preferably, described heating fluid is conduction oil.

Traditional floating coiled pipe is all to carry out vibration scale removal effect using the impact of the flowing of fluid to carry out augmentation of heat transfer, all It is to be used for forced-convection heat transfer, and the water poor fluidity in water heater, it is impossible to forced-convection heat transfer flowing is carried out, and this practicality is new Floating coiled pipe is applied to water heater by type first, by setting floating coiled pipe, can be produced volumetric expansion after heating fluid is heated, be lured Lead the free end 24 of floating coiled pipe 22 and produce vibration, because the vibration is transferred to ambient water, disturbance effect is produced to the water of surrounding, from And generate the effect of augmentation of heat transfer.

In the utility model because electric heater 27 is arranged in bobbin carriage 23,25, therefore can directly avoid fluid with Electric heater is contacted, so as to avoid getting an electric shock, plays a part of protection.

As with preferred, the left pipe box 23, right pipe box 25 and floating coiled pipe 22 are all circular tube structures.

Preferably, the tube bank of floating coiled pipe 22 is elastic tube bundle.

By the way that the tube bank of floating coiled pipe 22 is set into elastic tube bundle, the coefficient of heat transfer can be further improved.

Preferably, the concentric circles is the circle using the center of left pipe box 23 as the center of circle.That is the tube bank 26 of floating coiled pipe 22 Center line around left pipe box 23 is arranged.

As shown in figure 9, tube bank 26 is not a complete circle, but an oral area is reserved, so as to form the freedom of tube bank End.Angle where the circular arc of the oral area is that 65-85 degree, i.e. Fig. 7 angles b and c sum are 65-85 degree.

Preferably, the caliber of the left pipe box 23 is more than the caliber of right pipe box 25.

By above-mentioned setting, can further augmentation of heat transfer, improve 8-15% heat exchange efficiency.

Preferably, the internal diameter of left pipe box is R1, the internal diameter of right pipe box is R2, then 1.5<R1/R2<2.5.

It is preferably provided with by above-mentioned, enables to heat exchange efficiency to reach most preferably.

Preferably, with more remote apart from the center of left pipe box 23, the distance between adjacent tube bank is increasing.

Preferably, the increasing amplitude of the distance between adjacent tube bank constantly increases.

It is preferably provided with by above-mentioned, can further improves heat exchange efficiency, increases the uniformity of heating.By testing hair It is existing, 10-11% heat exchange efficiency can be improved by above-mentioned setting.

Preferably, with more remote apart from the center of left pipe box 23, the diameter of tube bank is increasing.

Preferably, the increasing amplitude of the diameter of tube bank constantly increases.

It is preferably provided with by above-mentioned, can further improves heat exchange efficiency, increases the uniformity of heating.By testing hair It is existing, 10% or so heat exchange efficiency can be improved by above-mentioned setting.

Preferably, electric heater 27 is separately positioned in left pipe box 23 and right pipe box 25 as described in Figure 8, i.e., the first electricity adds Hot device 271 is arranged in left pipe box 23, and the second electric heater 272 is arranged in right pipe box 25.

Preferably, left pipe box 23 is identical with the length of right pipe box 25.

It is more than the caliber of right pipe box as the caliber of preferred left pipe box.

Preferably, as shown in figure 5, when water heater is run, the heating power of the first electric heater 271 is more than the The heating power of two electric heaters 272.By above-mentioned setting, it is found through experiments that, enables to the heating of hot water in water tank more Plus it is uniform.

Preferably, the heating power of the first electric heater 271 is 1.3-1.8 times of the power of the second electric heater 272, Preferably 1.4-1.65 times.

Found in numerical simulation and corresponding experiment, left pipe box 23, the size of right pipe box 25 and primary heater Proportionate relationship between 271 and secondary heater 272 can produce influence to the efficiency of heating surface and uniformity.If left pipe box 23 Size difference with right pipe box 25 is too many, and primary heater 271 and the heating power of secondary heater 272 difference are smaller, then Can produce the efficiency of heating surface it is low and heating there is non-uniform phenomenon, if similarly left pipe box 23, right pipe box 25 size disparity too Small and primary heater 271 and the heating power of secondary heater 272 difference also occur that the efficiency of heating surface is low and adds than larger There is non-uniform phenomenon in heat.Therefore the utility model is summarized to above-mentioned relation, passed through by substantial amounts of numerical simulation Verified.Left pipe box 23, the size of right pipe box 25 and primary heater 271 and secondary heater 272 are obtained Best relation between heating power.

Preferably, the internal diameter of left pipe box is the first diameter, the internal diameter of right pipe box is Second bobbin diameter, the electrical heating of left pipe box The power of rod is the first power, and the power of the electrically heated rod of right pipe box is the second power, meets following relation：

Coefficient * (the first diameter/Second bobbin diameter) 2- the second coefficient * (the first diameter/the of the power of first power/second=first Two diameters) the+the three coefficient；

First coefficient, the second coefficient, the 3rd coefficient is coefficient, wherein 0.82<First coefficient<0.91,1.95<Second coefficient <2.05,2.67<3rd coefficient<2.77；

Wherein 58mm<First diameter<87mm;

29mm<Second bobbin diameter<68mm；

1.2<First diameter/Second bobbin diameter<2.1；It is preferred that, 1.5<The power of first power/second<2.3;

950W<First power<1500W；

400W<Second power<1000W.

Preferably, with the increase of the first diameter/Second bobbin diameter, the first coefficient, the 3rd coefficient increase, the second coefficient subtracts It is small.

Preferably, the quantity of tube bank is 3-5 roots, preferably 3 or 4.

Preferably, coefficient=2.72 of first coefficient=0.87, the second coefficient=2, the three.

The distance of left pipe box 23 and the center line of right pipe box 25 is 220-270mm；Preferably 240-250mm.

The radius of tube bank is preferably 10-25mm；

Preferably, in the tube bank adjacent thereto of the circular arc where the tube bank center line of left pipe box center line recently The distance between circular arc where heart line（The distance between center of arc's line for example in Fig. 9 where tube bank A and B）For two pipes Beam mean outside diameter（Outer dia）1.1-2.0 times, preferably 1.2-1.7 times, preferably 1.3-1.5 times.

The weighted average of two pipe diameters of average out to of the diameter of two tube banks.

Preferably, end part aligning of the tube bank in the same side, in approximately the same plane, the extended line of end（Or end The plane at place）By the center line of left pipe box 23, as shown in Figure 10.

Further preferably, the electric heater 27 is electrically heated rod.

Electric heater unit described in the utility model, as shown in figure 9, the left pipe box 23 is connected with floating coiled pipe A ends；It is right Bobbin carriage 25 is connected with floating coiled pipe D ends.

Preferably, as shown in figure 9, floating coiled pipe 22 inner side tube bank first end be connected with the first bobbin carriage 2, the second end One end is restrained with adjacent outside to be connected, one end of the outermost tube bank of floating coiled pipe 22 is connected with the second bobbin carriage 8, adjacent pipe The end connection of beam, so as to form the structure of a series connection.

Plane and the angle c of the plane formation where the first bobbin carriage 2 and the center line of the second bobbin carriage 8 where first end are 40-50 degree.

Plane and the angle b of the plane formation where the first bobbin carriage 2 and the center line of the second bobbin carriage 8 where second end are 25-35 degree.

Pass through the design of above-mentioned preferred angle so that the vibration of free end reaches most preferably, so that the efficiency of heating surface reaches To optimal.

As shown in figure 9, the tube bank of floating coiled pipe is 4, tube bank A, B, C, D UNICOMs.Certainly, four are not limited to, can be with It is arranged as required to multiple, specific attachment structure is identical with Fig. 4.

The floating coiled pipe 22 is multiple, and multiple floating coiled pipes 22 independently connect the first bobbin carriage 2 and the second bobbin carriage 8, I.e. multiple floating coiled pipes 22 are parallel-connection structure.

The fuel oil preheating of automobile of the present utility model, especially electric bus, heat-exchange system, when the igniting of heater 15 adds After heat, when water temperature≤80 DEG C, electric calorifie installation 9 works automatically, and when water temperature >=95 DEG C, electric calorifie installation 9 is stopped, water pump 14 By the heat-exchanger rig 21 of water suction heater 15, after recirculated water is heated, water is passed through by circulation waterway by the effect of water pump 14 17 drain back to main body water circulation system, i.e. water tank 16, and pass through the shut-off of the control recirculated water of water valve 13；

Passenger cabin is recycling next hot water by heater 15, and hot water is sucked into passenger cabin heating system by water pump 2 In radiator, the temperature in member storehouse is improved into room temperature, and member storehouse temperature by controlling in whole cyclic process The intelligent decision of device 10, when temperature≤10 DEG C, is judged as winter, controller controls the unlatching of water pump, sentenced when temperature >=25 DEG C Break as summer, controller control water pump 2 is closed；

Battery compartment is recycling next hot water by heater 15, and hot water is sucked into battery compartment heating system by water pump 5 In radiator, when battery compartment temperature sensor temperature sensor be≤5 DEG C when, controller control water pump 5 work, when temperature >=10 DEG C, controller control water pump 5 is stopped；When to battery compartment heat supply, valve 4 is opened, and valve 20 is closed；

When controller 10 is judged as summer, valve 4 is closed, valve 20 is opened, the partial circulating of cooling water tank 6 dissipates with battery compartment Hot systems 7 are constituted side by side, and then the temperature in intelligent control battery storehouse keeps constant temperature.In main body water circulation system 16, battery compartment Cooling-water temperature sensor 12 is equipped with cooling system 7 with storehouse temperature sensor 8 with the data cube computation of controller 10, controller carries out intelligence and sentenced Break to control the operation of above-mentioned function, real time temperature is all shown on instrument board 11, enabled a driver to more easily The temperature change of various pieces is grasped, and corresponding control is made according to the change of temperature.

Preferably, the temperature that service on buses or trains storehouse temperature sensor 28 is measured also is shown on instrument board 11 in real time.

Preferably, high-pressure hydraulic pump 14 connects water inlet pipe and water outlet pipe equipped with butterfly fan.

Service on buses or trains storehouse radiator be by 8 groups of hollow groups of fins into.

Battery compartment supply, cooling system equally by heater 15 electric bus traveling during, due to being electrokinetic cell, Electricity is expended big, temperature change is fast, when heater 15 recycles the thermal source come by main body water circulation system 16, by controller 10 After intelligent decision temperature by high-pressure hydraulic pump 5 suck thermal source, be recycled to by 4 pieces of hollow groups of fins into cooling system 7, separately One end is back to main body water circulation system 16 provided with water-flow circuit.

Although the utility model is disclosed as above with preferred embodiment, the utility model is not limited to this.Any Art personnel, are not departing from spirit and scope of the present utility model, can make various changes or modifications, therefore this practicality New protection domain should be defined by claim limited range.

Claims (5)

1. a kind of automobile heats heat-exchange system, including heater, water tank, heat-exchanger rig, service on buses or trains storehouse heating system and battery compartment are supplied Hot systems, connect heat-exchanger rig between the heater and water tank, the battery compartment heating system connects water tank, institute by pipeline The fluid stated in heat-exchanger rig is absorbed heat in the heater, the water then transferred heat in water tank, in the water tank Water enters battery compartment heating system by battery compartment heating system entrance pipe, is then exported and entered by battery compartment heating system Water tank；

Service on buses or trains storehouse heating system connects the water in water tank, the water tank by pipeline and passes through service on buses or trains storehouse heating system inlet tube Road enters service on buses or trains storehouse heating system, then enters water tank by the outlet of service on buses or trains storehouse heating system.

2. heat-exchange system is heated as claimed in claim 1, it is characterised in that the heater is fuel heater.

3. heating heat-exchange system as claimed in claim 1, it is characterised in that during the fluid in the heat-exchanger rig is water tank Water in water, water tank enters heat-exchanger rig by heat-exchanger rig entrance pipe, is heated in the heater, then passes through heat exchange Device export pipeline enters water tank.

4. heat-exchange system is heated as claimed in claim 1, it is characterised in that described heat-exchanger rig entrance pipe sets valve Temperature sensor, the temperature for measuring water in water tank, the valve and temperature sensor and control are set in door, described water tank Device processed carries out communication connection.

5. heat heat-exchange system, it is characterised in that electric heater unit is set in the water tank as claimed in claim 1, it is described Electric heater unit includes left pipe box, right pipe box and floating coiled pipe, and floating coiled pipe is connected with left pipe box and right pipe box, forms heating Fluid closed circulation, electrically heated rod is arranged in left pipe box and right pipe box；Filling heating in left pipe box, right pipe box and floating coiled pipe Fluid；Floating coiled pipe is one or more, and each floating coiled pipe includes the tube bank of many circular arc, the tube bank of many circular arc Center line be concentric circles circular arc, adjacent tube bank end connection so that tube bank end formed tube bank free end.