CN104748435A - Self-power-generation refrigerating system for vehicle-mounted power supply of railway vehicle - Google Patents
Self-power-generation refrigerating system for vehicle-mounted power supply of railway vehicle Download PDFInfo
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- CN104748435A CN104748435A CN201510147215.0A CN201510147215A CN104748435A CN 104748435 A CN104748435 A CN 104748435A CN 201510147215 A CN201510147215 A CN 201510147215A CN 104748435 A CN104748435 A CN 104748435A
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- fin
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- contactor
- power supply
- cooling piece
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B21/00—Machines, plants or systems, using electric or magnetic effects
- F25B21/02—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
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- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention discloses a self-power-generation refrigerating system for a vehicle-mounted power supply of a railway vehicle. The self-power-generation refrigerating system comprises a power box with the vehicle-mounted power supply, the top of the power box is of an open structure, a temperature sensor is arranged in the power box, a cooling fin A is arranged on the top of the power box, multiple refrigerating sheets are arranged on the top of the cooling fin A, the refrigerating end faces of the refrigerating sheets face the cooling fin A, the heat dissipation faces of the refrigerating sheets are back on to the cooling fin A, and the refrigerating sheets are communicated with a control power supply in series through an interlocking circuit and a reversing circuit. According to the self-power-generation refrigerating system for the vehicle-mounted power supply of the railway vehicle, when the temperature in the power box with the vehicle-mounted power supply is too high, the control power supply provides power for the refrigerating sheets so that the refrigerating sheets can cool the power box automatically; when the temperature in the power box with the vehicle-mounted power supply is within a safe temperature range, the refrigerating sheets conduct reverse charging on the control power supply so that energy consumption can be reduced.
Description
Technical field
The present invention relates to rail vehicle and manufacture field, be specifically related to a kind of vehicle power self power generation refrigeration system of rail vehicle.
Background technology
The new forms of energy railcar that vehicle power is powered, it is its core technology that its vehicle power is powered, the characteristic of the good heat dissipation bad influence capacitor batteries of vehicle power.Typically use radiator fan to come, to power supply cooling, to lower the temperature as starting point from the generating of Appropriate application waste gas, fast-refrigerating herein, propose with semiconductor refrigerating/heating sheet dispels the heat to vehicle power self adaptation.
Traditional fan cooling process is---vehicle power is in use, due to the existence of internal resistance, heat can be produced after electric current flows through power source internal, vehicle power is contained in Battery case, so these heats will be gathered in casing, then by the mode of two side perforating provided with fans of power box, hot blast is derived casing.
Fan cooling efficiency is low, utilizes other the energy that heat is got rid of casing, can not produce new forms of energy.Can not fast-refrigerating, the temperature that the most outstanding is a bit in power box is always higher than the temperature outside casing.This is in summer, and in sun direct projection situation, spin manifold temperature can be close even more than 60 degrees Celsius, and power supply optimum working temperature is between 20 ~ 40 degrees Celsius, and this is just to the great destruction that the safety of power supply and life-span are brought.Make shorten half its service life.The self adaptation cooling system utilizing semiconductor chilling plate to design can effectively solve this difficult problem.
Semiconductor refrigerating sheet material is bismuth telluride, adds impurity and makes N-type or P-type semiconductor thermoelement through specially treated, and its feature is that one side refrigeration one side heats.In the galvanic situation of connection, electronics, by negative pole, first through P-type semiconductor, absorbs heat at this, to N-type semiconductor again by thermal release out, often through a PN module, just having heat by being sent to another side, causing the cold and hot end of the temperature difference.Its temperature range can reach 100 degrees Celsius.In addition, when not connecting with dc source, after the P-type semiconductor absorption heat of semiconductor chilling plate, making electronics produce directed flow, thus thermal energy is become electric energy.
Summary of the invention
The object of the invention is to: overcome the deficiencies in the prior art, a kind of vehicle power self power generation refrigeration system of rail vehicle is provided, when temperature in the power supply box of vehicle power is higher, controls power supply and power cooling piece is lowered the temperature to power supply box automatically to cooling piece; Temperature in the power supply box of vehicle power is when safe temperature range, and cooling piece carries out reverse charging, to reduce energy resource consumption to control power supply; Interlaced by the fin A of fin A and fin B and fin B, improve the refrigerating efficiency of cooling piece; Be provided with fin C by heating end face to cooling piece, and by fan, the heat that the fin C of fin C gives out taken away, further increase radiating efficiency.
The technical solution used in the present invention is:
The vehicle power self power generation refrigeration system of rail vehicle, comprise the power supply box being provided with vehicle power, the top of described power supply box is uncovered structure, temperature sensor is provided with in described power supply box, top is provided with fin A, and the top of described fin A is provided with multi-disc cooling piece, and the refrigeration end face of described cooling piece is towards fin A, the radiating surface fin A dorsad of cooling piece, described cooling piece is communicated with control power sources in series with commutating circuit by interlock circuit.
The present invention further improvement project is, described fin A is fixed by the framework set by the uncovered edge of power supply box and power supply box.
The present invention further improvement project is, is provided with fin B between described cooling piece and fin A, and the refrigeration end face of described cooling piece is fixed on the end face of fin B fin B dorsad, and described fin B is fixedly connected with framework.
The present invention further improvement project is, the fin A of described fin A and the fin B of fin B is interlaced.
The present invention further improvement project is, heating on end face of described cooling piece is fixed with fin C, and the described fin C dorsad end face of fin C and cooling piece fixes.
The present invention further improvement project is, be provided with fan above the fin C of described fin C, described fan is fixed on framework.
The present invention further improvement project is, described cooling piece and be provided with heat conductive silica gel between fin B and fin C.
The present invention further improvement project is, described interlock circuit comprises the solenoid of the first contactor KM1, normally opened contact and normally-closed contact, and the solenoid of the second contactor KM2, normally opened contact and normally-closed contact, also comprises temperature controller; Connect with the normally-closed contact of the second contactor KM2 and the solenoid of the first contactor KM1 again after the wherein road of described interlock circuit comprises the lower limit temperature switch of temperature controller and the normally opened contact parallel connection of the first contactor KM1; Connect with the normally-closed contact of the first contactor KM1 and the solenoid of the second contactor KM2 again after another road of described interlock circuit comprises the ceiling temperature switch of temperature controller and the normally opened contact parallel connection of the second contactor KM2.
The present invention further improvement project is, temperature controller and temperature sensor conductive communication, and the lower limit temperature of described temperature controller is in 30 ~ 45 degree Celsius range, and ceiling temperature is in 50 ~ 65 degree Celsius range.
The present invention further improvement project is, described commutating circuit comprises the switch of the first contactor KM1 and the switch of the second contactor KM2; After the switch of described first contactor KM1 is closed, cooling piece is in generating state, and after the switch of described second contactor KM2 is closed, cooling piece is in refrigerating state.
Beneficial effect of the present invention is:
The first, the vehicle power self power generation refrigeration system of rail vehicle of the present invention, when the temperature in the power supply box of vehicle power is higher, controls power supply and powers cooling piece is lowered the temperature to power supply box automatically to cooling piece; Temperature in the power supply box of vehicle power is when safe temperature range, and cooling piece carries out reverse charging to control power supply, to reduce energy resource consumption, still can proceed cooling to power supply box simultaneously.
The second, the vehicle power self power generation refrigeration system of rail vehicle of the present invention, interlaced by the fin A of fin A and fin B and fin B, improve the refrigerating efficiency of cooling piece.
Three, the vehicle power self power generation refrigeration system of rail vehicle of the present invention, is provided with fin C by heating end face to cooling piece, and is taken away by the heat that the fin C of fin C gives out by fan, further increase radiating efficiency.
accompanying drawing illustrates:
Fig. 1 is that master of the present invention looks cross-sectional schematic.
Fig. 2 is control schematic diagram of the present invention.
Fig. 3 is circuit diagram of the present invention.
detailed description of the invention:
Composition graphs 1, Fig. 2 and Fig. 3 are known, the present invention includes the power supply box 1 being provided with vehicle power, the top of described power supply box 1 is uncovered structure, temperature sensor 11 is provided with in described power supply box 1, top is provided with fin A3, and the top of described fin A3 is provided with multi-disc cooling piece 4, and the refrigeration end face of described cooling piece 4 is towards fin A3, the radiating surface fin A3 dorsad of cooling piece 4, described cooling piece 4 is communicated with control power sources in series with commutating circuit by interlock circuit.
Described fin A3 is fixed by the framework 2 set by the uncovered edge of power supply box 1 and power supply box 1.
Be provided with fin B5 between described cooling piece 4 and fin A3, the refrigeration end face of described cooling piece 4 is fixed on the end face of fin B5 fin B8 dorsad, and described fin B5 is fixedly connected with framework 2.
The fin A7 of described fin A3 and the fin B8 of fin B5 is interlaced.
Heating on end face of described cooling piece 4 is fixed with fin C6, and the described fin C6 dorsad end face of fin C and cooling piece 4 fixes.
Be provided with fan 9 above the fin C of described fin C6, described fan 9 is fixed on framework 2.
Described cooling piece 4 and be provided with heat conductive silica gel between fin B5 and fin C6.
Described interlock circuit comprises the solenoid of the first contactor KM1, normally opened contact and normally-closed contact, and the solenoid of the second contactor KM2, normally opened contact and normally-closed contact, also comprises temperature controller; Connect with the normally-closed contact of the second contactor KM2 and the solenoid of the first contactor KM1 again after the wherein road of described interlock circuit comprises the lower limit temperature switch of temperature controller and the normally opened contact parallel connection of the first contactor KM1; Connect with the normally-closed contact of the first contactor KM1 and the solenoid of the second contactor KM2 again after another road of described interlock circuit comprises the ceiling temperature switch of temperature controller and the normally opened contact parallel connection of the second contactor KM2.
In the first via circuit that described interlock circuit is connected with the normally-closed contact of the second contactor KM2 and the solenoid of the first contactor KM1 after comprising the lower limit temperature switch of temperature controller and the normally opened contact parallel connection of the first contactor KM1 again, also be in series with delay switch, the delay time (in the implementation case, the delay time of delay switch is 5 minutes) within the scope of 2 ~ 10 minutes of described delay switch.
Temperature controller and temperature sensor 11 conductive communication, the lower limit temperature of described temperature controller is in 30 ~ 45 degree Celsius range (in the implementation case, the lower limit temperature of temperature controller is 40 degrees Celsius), ceiling temperature is (in the implementation case, the ceiling temperature of temperature controller is 55 degrees Celsius) in 50 ~ 65 degree Celsius range.
Described commutating circuit comprises the switch of the first contactor KM1 and the switch of the second contactor KM2; After the switch of described first contactor KM1 is closed, cooling piece is in generating state, and after the switch of described second contactor KM2 is closed, cooling piece is in refrigerating state.
When the present invention uses, vehicle power is started working, initial temperature in power supply box 1 is lower, when temperature sensor 11 detects that power supply box 1 temperature is below 40 degrees Celsius at the beginning, the lower limit temperature switch of temperature controller is closed after obtaining the signal of temperature sensor 11, time delay is after 5 minutes, delay switch also closes, now the solenoid of the first contactor KM1 obtain electric after, the normally opened contact and the switch that control the first contactor KM1 close respectively, the normally-closed contact of the first contactor KM1 disconnects, cooling piece 4 is made to be in generating state, now cooling piece 4 charges to control power supply, along with proceeding of vehicle power electric discharge, the temperature of vehicle power raises gradually, temperature in power supply box 1 also raises gradually, when temperature sensor 11 detects that power supply box 1 temperature reaches 55 degrees Celsius, the temperature switch of reaching the standard grade of temperature controller is closed after obtaining the signal of temperature sensor 11, now the solenoid of the second contactor KM2 obtain electric after, the normally opened contact and the switch that control the second contactor KM2 close respectively, the normally-closed contact of the second contactor KM2 disconnects, make to control power supply to power to cooling piece 4, now cooling piece 4 pairs of power supply boxs 1 freeze, after freezing in cooling piece 4 pairs of power supply boxs 1, temperature in power supply box 1 reduces gradually, after the temperature in power supply box 1 is again lower than 40 degrees Celsius, the lower limit temperature switch of temperature controller is closed after obtaining the signal of temperature sensor 11, time delay made cooling piece 4 again be in generating state after 5 minutes, continued to charge to control power supply.
Claims (10)
1. the vehicle power self power generation refrigeration system of rail vehicle, comprise the power supply box (1) being provided with vehicle power, it is characterized in that: the top of described power supply box (1) is uncovered structure, temperature sensor (11) is provided with in described power supply box (1), top is provided with fin A(3), described fin A(3) top be provided with multi-disc cooling piece (4), the refrigeration end face of described cooling piece (4) is towards fin A(3), the radiating surface fin A(3 dorsad of cooling piece (4)), described cooling piece (4) is communicated with control power sources in series with commutating circuit by interlock circuit.
2. the vehicle power self power generation refrigeration system of rail vehicle as claimed in claim 1, is characterized in that: described fin A(3) fixed by the framework (2) set by power supply box (1) uncovered edge and power supply box (1).
3. the vehicle power self power generation refrigeration system of rail vehicle as claimed in claim 2, it is characterized in that: described cooling piece (4) and fin A(3) between be provided with fin B(5), the refrigeration end face of described cooling piece (4) is fixed on fin B(5) fin B(8 dorsad) end face on, described fin B(5) be fixedly connected with framework (2).
4. the vehicle power self power generation refrigeration system of rail vehicle as claimed in claim 3, is characterized in that: described fin A(3) fin A(7) and fin B(5) fin B(8) interlaced.
5. the vehicle power self power generation refrigeration system of rail vehicle as claimed in claim 3, it is characterized in that: heating on end face of described cooling piece (4) is fixed with fin C(6), described fin C(6) end face of fin C and cooling piece (4) are fixed dorsad.
6. the vehicle power self power generation refrigeration system of rail vehicle as claimed in claim 5, is characterized in that: described fin C(6) fin C above be provided with fan (9), described fan (9) is fixed on framework (2).
7. as the vehicle power self power generation refrigeration system of the rail vehicle of claim 3 ~ 6 wherein as described in any one, it is characterized in that: described cooling piece (4) and fin B(5) and fin C(6) between be provided with heat conductive silica gel.
8. the vehicle power self power generation refrigeration system of rail vehicle as claimed in claim 1, it is characterized in that: described interlock circuit comprises the solenoid of the first contactor KM1, normally opened contact and normally-closed contact, and second solenoid of contactor KM2, normally opened contact and normally-closed contact, also comprise temperature controller; Connect with the normally-closed contact of the second contactor KM2 and the solenoid of the first contactor KM1 again after the wherein road of described interlock circuit comprises the lower limit temperature switch of temperature controller and the normally opened contact parallel connection of the first contactor KM1; Connect with the normally-closed contact of the first contactor KM1 and the solenoid of the second contactor KM2 again after another road of described interlock circuit comprises the ceiling temperature switch of temperature controller and the normally opened contact parallel connection of the second contactor KM2.
9. the vehicle power self power generation refrigeration system of rail vehicle as claimed in claim 8, it is characterized in that: temperature controller and temperature sensor (11) conductive communication, the lower limit temperature of described temperature controller is in 30 ~ 45 degree Celsius range, and ceiling temperature is in 50 ~ 65 degree Celsius range.
10. the vehicle power self power generation refrigeration system of rail vehicle as claimed in claim 1, is characterized in that: described commutating circuit comprises the switch of the first contactor KM1 and the switch of the second contactor KM2; After the switch of described first contactor KM1 is closed, cooling piece is in generating state, and after the switch of described second contactor KM2 is closed, cooling piece is in refrigerating state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510147215.0A CN104748435B (en) | 2015-03-31 | 2015-03-31 | Self-power-generation refrigerating system for vehicle-mounted power supply of railway vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510147215.0A CN104748435B (en) | 2015-03-31 | 2015-03-31 | Self-power-generation refrigerating system for vehicle-mounted power supply of railway vehicle |
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| CN104748435A true CN104748435A (en) | 2015-07-01 |
| CN104748435B CN104748435B (en) | 2017-04-26 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106982542A (en) * | 2017-05-23 | 2017-07-25 | 北京小米移动软件有限公司 | Electronic equipment and its heat dissipating method, device |
| CN109373701A (en) * | 2018-09-26 | 2019-02-22 | 珠海格力电器股份有限公司 | A kind of integrated refrigeration station and its inter-linked controlling method that radiates |
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2015
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106982542A (en) * | 2017-05-23 | 2017-07-25 | 北京小米移动软件有限公司 | Electronic equipment and its heat dissipating method, device |
| CN109373701A (en) * | 2018-09-26 | 2019-02-22 | 珠海格力电器股份有限公司 | A kind of integrated refrigeration station and its inter-linked controlling method that radiates |
| CN109373701B (en) * | 2018-09-26 | 2023-12-22 | 珠海格力电器股份有限公司 | Integrated refrigeration station and heat dissipation linkage control method thereof |
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| CN104748435B (en) | 2017-04-26 |
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