CN110388445A - Self-heating system and speed changer for speed changer - Google Patents
Self-heating system and speed changer for speed changer Download PDFInfo
- Publication number
- CN110388445A CN110388445A CN201810343000.XA CN201810343000A CN110388445A CN 110388445 A CN110388445 A CN 110388445A CN 201810343000 A CN201810343000 A CN 201810343000A CN 110388445 A CN110388445 A CN 110388445A
- Authority
- CN
- China
- Prior art keywords
- self
- speed changer
- heating system
- heat
- flow valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 41
- 238000006243 chemical reaction Methods 0.000 claims abstract description 36
- 239000000110 cooling liquid Substances 0.000 claims abstract description 15
- 239000002826 coolant Substances 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 13
- 239000000376 reactant Substances 0.000 claims abstract description 10
- 239000010687 lubricating oil Substances 0.000 claims description 10
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 7
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 6
- 239000000292 calcium oxide Substances 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000003921 oil Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006276 transfer reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0412—Cooling or heating; Control of temperature
- F16H57/0413—Controlled cooling or heating of lubricant; Temperature control therefor
Abstract
The invention discloses a kind of self-heating systems and speed changer for speed changer, wherein, the self-heating system is placed in the hull outside of the speed changer (1), the self-heating system has the cooling liquid chamber (4) for importing coolant liquid, for carrying out the reaction chamber (3) of exothermic reaction and for the heat-conducting layer (2) to the speed changer (1) conduction heat, for heating transmission, the self-heating system also has storage device (8), reactant is stored in the storage device (8), the reactant can carry out exothermic reaction with the coolant liquid in the reaction chamber (3), and the heat that the exothermic reaction generates is transmitted by the heat-conducting layer (2) Xiang Suoshu speed changer (1).
Description
Technical field
The present invention relates to a kind of self-heating systems for speed changer, are particularly used for hybrid vehicle or pure electricity
The speed changer of motor-car.The invention further relates to a kind of speed changer with corresponding self-heating system, which is especially applied
In hybrid vehicle or pure electric vehicle.
Background technique
Speed changer in the prior art usually has a large amount of lubricating oil, and the optimum working temperature of these lubricating oil is at 80 °
To between 90 °, however, especially when cold district is cold-started vehicle, speed changer is needed when vehicle is initial started up without warming-up
Time warming-up is wanted to reach ideal operation temperature.By the warm-up period meeting of the vehicle or pure electric vehicle of motor start-up
It is long, or even be difficult that speed changer is made to reach desired operation temperature in a short time.It is then desired to add to speed changer
Heat.
A kind of system and method for heating transmission are disclosed by 20090036268 A1 of US, speed changer has extremely
A few solenoid valve activates the actuation means of the solenoid valve at least one.Whether temperature of transmission is determined first with sensor
More than or equal to desired operation temperature, the currently selected fixed transmission ratio of speed changer is determined, be not up to the hope in speed changer
Operation temperature and when too drastic solenoid valve will not interfere the operation of speed changer for the transmission ratio of current selected, described in overdriving
Solenoid valve.
However, the system and method for this heating transmission are more complicated, and higher cost, furthermore solenoid valve is also easy to
The electronic operation device of speed changer is interfered, and speed changer cannot be made to be rapidly reached ideal operation temperature in a short period of time
Degree.
Summary of the invention
Therefore, the technical problem to be solved by the invention is to provide a kind of improved heating system for speed changer,
Structure is simple and cost is relatively low, and speed changer is enabled to reach ideal operation temperature in a short period of time when in use.
The technical problem is solved by a kind of self-heating system for speed changer, wherein the self-heating system
Be placed in the hull outside of speed changer, the self-heating system has a cooling liquid chamber for importing coolant liquid, reaction chamber and
For the heat-conducting layer to speed changer conduction heat, wherein the self-heating system also has storage device, stores up in storage device
Reactant is deposited, the reactant can carry out exothermic reaction with coolant liquid in reaction chamber, and pass through heat-conducting layer to speed changer
The heat that transfer reaction generates.The self-heating system structure designed according to the present invention is simple, and without using expensive part, benefit
A large amount of thermal energy can be transmitted for speed changer in a very short period of time with chemical heat release, so that speed changer can be rapid
Heating.
A preferred embodiment according to the present invention, the coolant liquid in cooling liquid chamber is water, is stored in storage dress
Reactant in setting is a calcium oxide, thus is chemically reacted in reaction indoor water and a calcium oxide, and discharge a large amount of heat
Energy.
In accordance with another preferred embodiment of the present invention, speed changer according to the present invention apply in hybrid vehicle or
In pure electric vehicle, speed changer is connected with motor, and the cooling liquid chamber of self-heating system is connected with the cooling system of motor,
It is reacted using the coolant liquid in existing cooling system, especially cooling water with the reactant in storage device, to save
Part simultaneously reduces costs.
In accordance with another preferred embodiment of the present invention, reaction chamber is equipped with first entrance, second entrance and outlet, wherein
First entrance is connected by first flow valve with cooling liquid chamber, and second entrance is connected by unidirectional supply pump with storage device
Logical, outlet is equipped with second flow valve.Therefore, coolant liquid is flowed by first entrance in the case where opening first flow valve and is reacted
Room, reactant flow into reaction chamber by second entrance in the case where opening unidirectional supply pump, and in reaction chamber and coolant liquid
It is reacted.After speed changer reaches ideal operating temperature, first flow valve and unidirectional supply pump are closed, and open second
Valve is measured, enables hot-air to flow out reaction chamber by outlet, so that speed changer be avoided to be heated excessively.Preferably, second
Flow valve is connected with vacuum chamber, so as to react indoor hot-air and reaction in the case where opening second flow valve
Product is imported into vacuum chamber, and speed changer is avoided to be still heated.Advantageously, the vacuum chamber is connected with pressure pump, pressure
The indoor gas of vacuum can be discharged for power pump, especially be discharged to the outside in environment, to reduce the indoor pressure of vacuum.
In accordance with another preferred embodiment of the present invention, self-heating system is equipped with the lubricating oil temperature for measuring speed changer
Temperature sensor, to control self-heating system according to the temperature of the lubricating oil of speed changer.Preferably, which is passed
Sensor is mounted on speed changer, and especially temperature sensor is integrated on the oil discharge screw of speed changer, thus saving space
While make full use of existing component.Advantageously, temperature sensor can control first flow valve, second by signal
The switch for measuring valve and unidirectional supply pump is beaten in particular according to the temp control switch of lubricating oil when needing to heat speed changer
It opens first flow valve and unidirectional supply pump and closes second flow valve；After speed changer reaches ideal operation temperature, the is closed
One flow valve and unidirectional supply pump simultaneously open second flow valve.
According to the present invention the technical issues of, is also solved by a kind of speed changer for hybrid vehicle and pure electric vehicle
Certainly, wherein the speed changer has the self-heating system according to design described above.
Detailed description of the invention
Fig. 1 shows the structural schematic diagram of self-heating system according to the present invention.
Component similar in identical or function uses identical appended drawing reference.
Specific embodiment
As shown, self-heating system according to the present invention is placed in the hull outside of speed changer 1.1 quilt of speed changer
For in hybrid drive vehicle or pure electro-motive vehicle, and the speed changer 1 is connected with motor 11.It is according to the present invention from
Heating system has heat-conducting layer 2, reaction chamber 3, cooling liquid chamber 4.Cooling liquid chamber 4 is connected with the cooling system 12 of motor 11, can
The coolant liquid from cooling system 12, especially water are imported, and these coolant liquids are stored in cooling liquid chamber 4；In cooling liquid chamber 4
Reaction chamber 3 is set between heat-conducting layer 2, exothermic chemical reaction is carried out in reaction chamber 3, and heat is conducted to heat-conducting layer 2；
Heat-conducting layer 2 is located between reaction chamber 3 and the shell of speed changer 1, and heat-conducting layer 2 is made of ceramoplastic, therefore heat-conducting layer 2 can be more
Thermally conductive well and thermal deformation is smaller.
Self-heating system according to the present invention also has temperature sensor 5, two flow valves 9 and storage device 8.Reaction chamber
3 have two entrances and one outlet, wherein storage device 8 is connected by unidirectional supply pump 10 with the first entrance of reaction chamber 3
Logical, cooling liquid chamber 4 is connected by first flow valve 9 with the second entrance of reaction chamber 3, reaction chamber 3 pass through second flow valve 9 and
External vacuum chamber 6 is located to be connected.It is stored in storage device 8 calcium oxide (CaO), and unidirectional supply pump can be passed through
10 provide a calcium oxide into reaction chamber 3, while cooling liquid chamber 4 passes through first flow valve 9 to the input water of reaction chamber 3, thus
The chemical reaction indicated with equation (1) occurs in reaction chamber 3, and releases a large amount of heat.These heats pass through 2 quilt of heat-conducting layer
Case of transmission 1 is passed to, so that speed changer 1 is heated.
CaO+H2O→Ca(OH)2+Q (1)
Temperature sensor 5 is connected with the first and second flow valves 9 and unidirectional supply pump 8, and can be controlled by signal
Make the switch of the first and second flow valves 9 and unidirectional supply pump 8.Temperature sensor 5 is fixed on speed change by oil discharge screw
On device 1, and the lubricating oil temperature of speed changer 1 can be measured, and first flow valve is controlled according to the temperature of the lubricating oil of speed changer 1
9 and unidirectional supply pump 8 switch: when lubricating oil temperature is lower, first flow valve 9 and unidirectional supply pump 8 are opened, so that cooling
Water and a calcium oxide carry out exothermic chemical reaction in reaction chamber 3；When the temperature of lubricating oil reaches requirement, unidirectional supply is closed
To pump 8 and first flow valve 9, and second flow valve 9 is opened simultaneously, remaining hot-air is allowed to be flowed into vacuum chamber 6 from reaction chamber 3
In, to stop the heating to case of transmission.Air in it can be discharged to the outside in environment by vacuum chamber 6 by pressure pump 7,
To reduce the pressure in vacuum chamber 6.
Although being illustratively described possible embodiment in the above description, it should be appreciated that arrive, still through institute
With the presence of the variation of technical characteristic known and that furthermore technical staff is readily apparent that and a large amount of embodiments of combination of embodiment.
Furthermore it should also be understood that illustrative embodiment is as just an example, this embodiment never limits in any form
Protection scope of the present invention, application and construction processed.It is more that one kind is provided to technical staff for converting by preceding description
The technological guidance of at least one illustrative embodiments, wherein, can be into without departing from the protection scope of claims
Row various changes, especially with respect to the component function and structure in terms of change.
Reference signs list
1 speed changer
2 heat-conducting layers
3 reaction chambers
4 cooling liquid chambers
5 temperature sensors
6 vacuum chambers
7 pressure pumps
8 storage devices
9 first flow valves
10 unidirectional supply pumps
11 motor
12 cooling systems
Claims (10)
1. the self-heating system that one kind is used for speed changer (1), wherein the self-heating system is placed in the speed changer (1)
Hull outside, the self-heating system has cooling liquid chamber (4) for importing coolant liquid, for carrying out the anti-of exothermic reaction
Room (3) and the heat-conducting layer (2) for conducting heat to the speed changer (1) are answered,
It is characterized in that, the self-heating system also has storage device (8), reactant is stored in the storage device (8),
The reactant can carry out exothermic reaction with the coolant liquid in the reaction chamber (3), and pass through the heat-conducting layer (2)
The heat that the exothermic reaction generates is transmitted to the speed changer (1).
2. self-heating system according to claim 1, which is characterized in that the coolant liquid is water, and the reactant is one
Calcium oxide.
3. self-heating system according to claim 1, which is characterized in that the speed changer (1) is applied in hybrid electric vehicle
Perhaps in pure electric vehicle the cooling liquid chamber (4) and the hybrid vehicle or pure electric vehicle motor
(11) cooling system (12) is connected.
4. self-heating system according to claim 1, which is characterized in that the reaction chamber (3) be equipped with first entrance, second
Entrance and exit, wherein the first entrance is connected by first flow valve (9) with the cooling liquid chamber (4), and described second
Entrance is connected by unidirectional supply pump (8) with the storage device (8), is equipped with second flow valve (9) in the exit.
5. self-heating system according to claim 4, which is characterized in that the second flow valve (9) and vacuum chamber (6) phase
Connection.
6. self-heating system according to claim 5, which is characterized in that the vacuum chamber (6) is connected with pressure pump (7),
The gas in the vacuum chamber (6) can be discharged for the pressure pump.
7. self-heating system according to claim 1, which is characterized in that the self-heating system is equipped with described for measuring
The temperature sensor (5) of the lubricating oil temperature of speed changer (1).
8. self-heating system according to claim 7, which is characterized in that the temperature sensor (5) can pass through signal
Control the switch of the first flow valve (9), the second flow valve (9) and the unidirectional supply pump (8).
9. self-heating system according to claim 7 or 8, which is characterized in that the temperature sensor (5) is integrated in institute
It states on the oil discharge screw of speed changer.
10. a kind of for hybrid vehicle or the speed changer (1) of pure electric vehicle, which is characterized in that the speed changer (1)
With self-heating system according to any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810343000.XA CN110388445A (en) | 2018-04-17 | 2018-04-17 | Self-heating system and speed changer for speed changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810343000.XA CN110388445A (en) | 2018-04-17 | 2018-04-17 | Self-heating system and speed changer for speed changer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110388445A true CN110388445A (en) | 2019-10-29 |
Family
ID=68283110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810343000.XA Pending CN110388445A (en) | 2018-04-17 | 2018-04-17 | Self-heating system and speed changer for speed changer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110388445A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002061737A (en) * | 2000-08-23 | 2002-02-28 | Toyota Motor Corp | Oil heating means for driving device |
| DE102004015050A1 (en) * | 2004-03-26 | 2005-10-27 | Bayerische Motoren Werke Ag | Fluid reservoir in particular oil sump of gearbox, comprising heating device working with chemical reaction |
| CN101468788A (en) * | 2008-04-25 | 2009-07-01 | 周开根 | System and apparatus for producing synthesis gas from garbage and biomass raw material |
| CN201875421U (en) * | 2010-12-10 | 2011-06-22 | 济南轨道交通装备有限责任公司 | Gearbox oil heating system for temperature controllable wind power |
| CN102211557A (en) * | 2010-04-02 | 2011-10-12 | 福特全球技术公司 | Powertrain driveline warm-up system and method |
| CN102345489A (en) * | 2010-07-22 | 2012-02-08 | J·埃贝斯佩歇合资公司 | Exhaust system with reactive heating system |
| CN104565325A (en) * | 2013-10-22 | 2015-04-29 | 福特全球技术公司 | Method and arrangement for controlling transmission oil temperature |
| CN105889478A (en) * | 2016-06-08 | 2016-08-24 | 陕西法士特齿轮有限责任公司 | Automatic preheating system for lubricating oil of transmission |
-
2018
- 2018-04-17 CN CN201810343000.XA patent/CN110388445A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002061737A (en) * | 2000-08-23 | 2002-02-28 | Toyota Motor Corp | Oil heating means for driving device |
| DE102004015050A1 (en) * | 2004-03-26 | 2005-10-27 | Bayerische Motoren Werke Ag | Fluid reservoir in particular oil sump of gearbox, comprising heating device working with chemical reaction |
| CN101468788A (en) * | 2008-04-25 | 2009-07-01 | 周开根 | System and apparatus for producing synthesis gas from garbage and biomass raw material |
| CN102211557A (en) * | 2010-04-02 | 2011-10-12 | 福特全球技术公司 | Powertrain driveline warm-up system and method |
| CN102345489A (en) * | 2010-07-22 | 2012-02-08 | J·埃贝斯佩歇合资公司 | Exhaust system with reactive heating system |
| CN201875421U (en) * | 2010-12-10 | 2011-06-22 | 济南轨道交通装备有限责任公司 | Gearbox oil heating system for temperature controllable wind power |
| CN104565325A (en) * | 2013-10-22 | 2015-04-29 | 福特全球技术公司 | Method and arrangement for controlling transmission oil temperature |
| CN105889478A (en) * | 2016-06-08 | 2016-08-24 | 陕西法士特齿轮有限责任公司 | Automatic preheating system for lubricating oil of transmission |
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