CN109515111B - Energy-saving warm air heating system for electric excavator - Google Patents
Energy-saving warm air heating system for electric excavator Download PDFInfo
- Publication number
- CN109515111B CN109515111B CN201811383618.5A CN201811383618A CN109515111B CN 109515111 B CN109515111 B CN 109515111B CN 201811383618 A CN201811383618 A CN 201811383618A CN 109515111 B CN109515111 B CN 109515111B
- Authority
- CN
- China
- Prior art keywords
- water
- warm air
- radiator
- water outlet
- hydraulic oil
- 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.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
- B60H1/00385—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell
- B60H1/00392—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell for electric vehicles having only electric drive means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/02—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant
- B60H1/03—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant and from a source other than the propulsion plant
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses an energy-saving warm air heating system for an electric excavator, and belongs to the technical field of engineering machinery. The hydraulic oil radiator mainly comprises a warm air system and a hydraulic oil radiator, wherein an aluminum pipe is arranged in a hydraulic oil chamber of the hydraulic oil radiator, and two ends of the aluminum pipe are respectively connected with a water inlet and a water outlet of the warm air system through pipelines. The invention has less electric energy consumption, and the cooling water is heated by the high-temperature hydraulic oil in the motor water jacket, the motor controller heat dissipation plate and the oil dissipation chamber, thereby improving the heat dissipation capability of the hydraulic oil and meeting the requirement of warm air temperature. The invention is mainly used for the warm air system of the electric excavator.
Description
Technical Field
The invention belongs to the technical field of engineering machinery, and particularly relates to an energy-saving warm air heating system for an electric excavator.
Background
The design of current electric excavator, its warm braw heating system roughly divides into two kinds: 1. the electric heating realizes warm air heating, and the mode consumes large electric energy, causes continuous consumption of the electric energy, influences the cruising ability of the whole machine and is not energy-saving enough; 2. the heat source is provided for the warm air system by heating the cooling water through the heat dissipation capacity of the motor water jacket and the heat dissipation capacity of the motor controller heat dissipation plate, but the heat dissipation capacity of the motor water jacket and the motor controller water jacket is limited, so that the warm air temperature is low, and the heating requirement cannot be met. At present, no warm air heating system can improve the heat dissipation capacity of hydraulic oil and reduce the electric energy consumption while meeting the warm air temperature.
Disclosure of Invention
The invention aims to overcome the defects and provides an energy-saving warm air heating system for an electric excavator, which is low in power consumption, and meets the warm air temperature requirement while improving the heat dissipation capacity of hydraulic oil by heating cooling water through a motor water jacket, a motor controller heat dissipation plate and high-temperature hydraulic oil in an oil dissipation chamber.
Electric excavator with energy-conserving warm braw heating system, including the warm braw system, its characterized in that: the hot air system is characterized by further comprising a hydraulic oil radiator, an aluminum pipe is arranged in a hydraulic oil chamber of the hydraulic oil radiator, and two ends of the aluminum pipe are respectively connected with a water inlet and a water outlet of the hot air system through pipelines.
The water heater comprises a water radiator, a motor controller heat dissipation plate and a motor water jacket which are sequentially connected through a pipeline, wherein the motor water jacket is connected with one end of an aluminum pipe through a water pump, the other end of the aluminum pipe is connected with a water inlet of a warm air system, and a water outlet of the warm air system is connected with the water radiator.
Furthermore, a tee joint B and a tee joint A are arranged between the hydraulic oil radiator and the water pump, a water valve is arranged on the tee joint A, a water inlet of the tee joint B is connected with a water outlet of the water pump, a first water outlet and a second water outlet are arranged on the tee joint B, the first water outlet is connected with the water valve, the second water outlet is connected with an aluminum pipe, a water inlet of the tee joint A is connected with a warm air return pipe, and a water outlet of the tee joint A is connected with a water inlet of the water radiator.
Furthermore, the water outlet of the tee joint A is connected with the water inlet of the water radiator through the water inlet pipe of the water radiator.
Further, a water outlet of the water pump is connected with a water inlet of the three-way joint B through a water outlet pipe.
Furthermore, the water outlet of the water radiator is connected with the water inlet of the heat dissipation plate of the motor controller through the water outlet pipe of the water radiator.
Furthermore, a water outlet of the heat dissipation plate of the motor controller is connected with the motor water jacket through a water inlet pipe of the motor water jacket.
Furthermore, a water outlet of the motor water jacket is connected with a water inlet of the water pump through a water outlet pipe of the motor water jacket.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the motor water jacket, the motor controller heat dissipation plate and the hydraulic oil radiator are matched, so that cooling water is further heated in high-temperature hydraulic oil in the hydraulic oil chamber, and the problem of insufficient warm air heat supply of the traditional electric excavator is solved;
2. the cooling water takes away part of heat of the hydraulic oil radiator, so that the heat dissipation capacity of the hydraulic system is effectively improved;
3. by additionally arranging two three-way joints and a water valve, the heating of hydraulic oil heat dissipation wind and the logic switching of a motor system heat dissipation water path are realized;
4. the invention does not need to consume electric energy to heat the warm air, saves the electric energy and realizes energy conservation and consumption reduction.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a left side view of the present invention;
fig. 4 is a top view of the present invention.
In the figure, 1, a water jacket of a motor is provided with a water inlet pipe; 2. a water outlet pipe of the motor water jacket; 3. a motor water jacket; 4. a water pump; 5. a pump-out water pipe; 6. a tee joint B; 7. a three-way connecting pipe; 8. a hydraulic oil chamber; 9. an aluminum tube; 10. a water pipe; 11. a tee joint A; 12. a water valve; 13. a warm air inlet pipe; 14. a hydraulic oil radiator; 15. a water radiator; 16. a water outlet pipe of the water radiator; 17. a water inlet pipe of a water radiator; 18. an intelligent temperature-controlled electric fan; 19. a motor controller heat dissipation plate; 20. a warm air return pipe.
Detailed Description
The invention will be further described with reference to the accompanying drawings in which:
the first embodiment is as follows: the energy-saving warm air heating system for the electric excavator comprises a warm air system and a hydraulic oil radiator 14, wherein an aluminum pipe 9 is arranged in a hydraulic oil chamber 8 of the hydraulic oil radiator 14, and two ends of the aluminum pipe 9 are respectively connected with a water inlet and a water outlet of the warm air system through pipelines.
Example two: the water heater further comprises a water radiator 15, a motor controller heat dissipation plate 19 and a motor water jacket 3 which are sequentially connected through a pipeline, the motor water jacket 3 is connected with one end of the aluminum pipe 9 through a water pump 4, the other end of the aluminum pipe 9 is connected with a water inlet of a warm air system, and a water outlet of the warm air system is connected with the water radiator 15; the rest is the same as the first embodiment.
Example three: as shown in fig. 1 to 4, a three-way joint b 6 and a three-way joint a 11 are arranged between the hydraulic oil radiator 14 and the water pump 4, a water valve 12 is arranged on the three-way joint a 11, a water inlet of the three-way joint b 6 is connected with a water outlet of the water pump 4, a first water outlet and a second water outlet are arranged on the three-way joint b 6, the first water outlet is connected with the water valve 12, the second water outlet is connected with an aluminum pipe 9, a water inlet of the three-way joint a 11 is connected with a warm air return pipe 20, a water outlet of the three-way joint a 11 is connected with a water inlet of the water radiator 15 through a water radiator inlet pipe 17, a water outlet of the water pump 4 is connected with a water inlet of the three-way joint b 6 through a water outlet pipe 5, a water outlet, the water outlet of the motor water jacket 3 is connected with the water inlet of the water pump 4 through the water outlet pipe 2 of the motor water jacket; the intelligent temperature control electric fan 18 is also included, and the intelligent temperature control electric fan 18 is in the prior art; the other steps are the same as those of the embodiment.
When the water outlet I of the tee joint II 6 is installed, the water outlet I of the tee joint II 6 is connected with a water valve 12 of a tee joint I11 through a tee joint connecting pipe 7; a water outlet two-way pipe of the three-way joint B6 is connected with an aluminum pipe 9 through a water pipe 10; the warm air system is connected with the warm air inlet pipe 13 and the warm air return pipe 20.
The working principle of the invention is as follows: when a warm air system is turned on in winter, the water valve 12 on the tee joint head 11 is manually closed, at the moment, cooling water flows out from the water outlet 16 of the water radiator 15, enters the radiating plate 19 of the motor controller for heating, then enters the motor water jacket 3 for heating through the water inlet pipe 1 of the motor water jacket, the cooling water enters the three-way joint B6 through the water pump 4, the water outlet of the three-way joint B6 is connected with the water valve 12 on the three-way joint A11, the cooling water can only enter the aluminum pipe 9 in the hydraulic oil chamber 8 of the hydraulic oil radiator 14 from the water outlet of the three-way joint B6 because the water valve 12 is closed, after the cooling water is reheated by high-temperature hydraulic oil in the aluminum pipe 9 in the hydraulic oil chamber 8, enters the warm air system through a warm air inlet pipe 13, after heat supply, cooling water enters the tee joint head 11 through a warm air return pipe 20 and returns to the water radiator 15 through a water radiator inlet pipe 17 to complete warm air circulation.
When the warm air system is closed in summer, the water valve 12 is opened, and cooling water completes the heat dissipation of the motor water jacket 3 and the whole hydraulic system through the water radiator 15 and the intelligent temperature control system of the intelligent temperature control electric fan 18. The cooling water flows out from a water outlet 16 of the water radiator 15, sequentially enters a heat dissipation plate 19 of the motor controller, the motor water jacket 3, the water pump 4 and the tee joint B6, the water valve 12 is opened, the cooling water enters the tee joint A11 through the water outlet I and finally enters the water radiator 15, and normal heat dissipation circulation of the motor system is completed.
Claims (6)
1. The utility model provides an energy-conserving warm braw heating system for electric excavator, includes warm braw system, water radiator (15), machine controller heating panel (19) and motor water jacket (3), its characterized in that: the hot air system is characterized by further comprising a hydraulic oil radiator (14), an aluminum pipe (9) is arranged in a hydraulic oil chamber (8) of the hydraulic oil radiator (14), a tee joint B (6) and a tee joint A (11) are arranged between the hydraulic oil radiator (14) and the water pump (4), a water valve (12) is arranged on the tee joint A (11), a water inlet of the tee joint B (6) is connected with a water outlet of the water pump (4), a first water outlet and a second water outlet are arranged on the tee joint B (6), the first water outlet is connected with the water valve (12), the second water outlet is connected with the aluminum pipe (9), a water inlet of the tee joint A (11) is connected with a hot air return pipe (20), a water outlet of the tee joint A (11) is connected with a water inlet of the water radiator (15), two ends of the aluminum pipe (9) are respectively connected with a water inlet and a water outlet of the hot air system through pipelines, a water jacket, the other end of the aluminum pipe (9) is connected with a water inlet of a warm air system, and a water outlet of the warm air system is connected with a water radiator (15).
2. The energy-saving warm air heating system for the electric excavator according to claim 1, characterized in that: the water outlet of the tee joint (11) is connected with the water inlet of the water radiator (15) through the water radiator inlet pipe (17).
3. The energy-saving warm air heating system for the electric excavator according to claim 1, characterized in that: and the water outlet of the water pump (4) is connected with the water inlet of the tee joint B (6) through a water outlet pipe (5).
4. The energy-saving warm air heating system for the electric excavator according to claim 1, characterized in that: the water outlet of the water radiator (15) is connected with the water inlet of a motor controller radiating plate (19) through a water radiator outlet pipe (16).
5. The energy-saving warm air heating system for the electric excavator according to claim 1, characterized in that: and a water outlet of the motor controller heat dissipation plate (19) is connected with the motor water jacket (3) through the motor water jacket water inlet pipe (1).
6. The energy-saving warm air heating system for the electric excavator according to claim 1, characterized in that: the water outlet of the motor water jacket (3) is connected with the water inlet of the water pump (4) through the motor water jacket water outlet pipe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811383618.5A CN109515111B (en) | 2018-11-20 | 2018-11-20 | Energy-saving warm air heating system for electric excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811383618.5A CN109515111B (en) | 2018-11-20 | 2018-11-20 | Energy-saving warm air heating system for electric excavator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109515111A CN109515111A (en) | 2019-03-26 |
| CN109515111B true CN109515111B (en) | 2021-06-04 |
Family
ID=65776743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811383618.5A Active CN109515111B (en) | 2018-11-20 | 2018-11-20 | Energy-saving warm air heating system for electric excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109515111B (en) |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07257156A (en) * | 1993-12-27 | 1995-10-09 | Sanden Corp | Vehicle air-conditioning device |
| SI1369386T1 (en) * | 2002-05-31 | 2010-03-31 | Rhebau Rheinische Beton Und Ba | Device for aeration of waste water and for cleaning a membrane assembly and small-scale waste water treatment plant containing this device |
| JP2004161129A (en) * | 2002-11-13 | 2004-06-10 | Komatsu Ltd | Warming-up device |
| JP4539133B2 (en) * | 2004-03-01 | 2010-09-08 | コベルコ建機株式会社 | Exhaust structure of construction machinery |
| JP2010196649A (en) * | 2009-02-26 | 2010-09-09 | Toyota Motor Corp | Heat management device of vehicle |
| CN201420277Y (en) * | 2009-06-09 | 2010-03-10 | 内蒙古北方重型汽车股份有限公司 | Low-temperature heating device of hydraulic excavator |
| JP2013082260A (en) * | 2011-10-06 | 2013-05-09 | Hitachi Constr Mach Co Ltd | Heating system for work machine |
| CN202319813U (en) * | 2011-12-06 | 2012-07-11 | 中联重科股份有限公司 | hydraulic heating system and engineering machinery |
| WO2013108575A1 (en) * | 2012-01-19 | 2013-07-25 | 日立建機株式会社 | Transport vehicle |
| US20140116658A1 (en) * | 2012-10-30 | 2014-05-01 | Deere & Company | Vehicle cooling system |
| CN103089758A (en) * | 2013-01-30 | 2013-05-08 | 三一重机有限公司 | Engineering machine and hydraulic oil cooling system thereof |
| CN204610009U (en) * | 2015-04-16 | 2015-09-02 | 湖北省瑞朗实业有限公司 | A kind of engine radiator |
| CN106246324A (en) * | 2016-08-23 | 2016-12-21 | 北汽福田汽车股份有限公司 | Engine coolant heat-exchange system, engineering machinery and hydraulic leg |
| CN206220158U (en) * | 2016-11-16 | 2017-06-06 | 杭州蓝力电动科技有限公司 | A kind of heat management system of electronic engineering machinery |
| CN106759617B (en) * | 2016-12-09 | 2019-10-29 | 广西玉柴重工有限公司 | A kind of cooling system of battery power supply electric hydraulic excavating machine |
| CN207433191U (en) * | 2017-11-21 | 2018-06-01 | 浙江义利汽车零部件有限公司 | A kind of warm wind flow control system |
| CN207579519U (en) * | 2017-12-20 | 2018-07-06 | 南京越博动力系统股份有限公司 | A kind of electric vehicle waste heat recovery intelligent control warm air system |
| CN108608829A (en) * | 2018-04-16 | 2018-10-02 | 中国科学院广州能源研究所 | Electric automobile air-conditioning system based on heat management and its control method |
-
2018
- 2018-11-20 CN CN201811383618.5A patent/CN109515111B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109515111A (en) | 2019-03-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108413666B (en) | Efficient air source heat pump system capable of quickly defrosting | |
| CN205026844U (en) | Warm air conditioner system is adopted to multipotency source complex | |
| CN200996718Y (en) | Efficient economizing hot-water supplier of hot pump | |
| CN109515111B (en) | Energy-saving warm air heating system for electric excavator | |
| CN210089036U (en) | Solar auxiliary heating, refrigeration and hot water supply triple heat supply pump system | |
| CN211176992U (en) | Air energy ground source heat pump concurrent heating system | |
| CN205174543U (en) | Two water tank solar energy air source heat pump composite set | |
| CN104676928B (en) | A kind of auxiliary hot double-bladder type solar-energy air-energy water-heater water tank of coil pipe | |
| CN201387154Y (en) | Solar-energy heat-pump water heater | |
| CN106091476B (en) | The association system of closed-loop ground source heat pump and electric hot water storage tank | |
| CN206320934U (en) | A kind of ship heat pump hot-water system based on recovery waste heat | |
| CN205980419U (en) | Mixed overlapping formula heat pump of intelligent regulation | |
| CN101074807A (en) | Hydrothermal pump system | |
| CN2874356Y (en) | Solar energy floor radiation heating system | |
| CN203478601U (en) | Heat pump water heater | |
| CN202707221U (en) | Intelligent efficient energy-saving and environment-friendly automobile water-heating exhaust heater | |
| CN109539372A (en) | Solar energy heating pump, multi-source heating refrigeration system | |
| CN207797181U (en) | A kind of sewage source heat pump connection in series-parallel heating system of multi-state | |
| CN209655424U (en) | Solar energy heating pump, multi-source heating refrigeration system | |
| CN202304158U (en) | Heat pump water heater capable of balancing pressure of compressor | |
| CN110641243A (en) | New energy automobile high-efficiency energy-saving power battery comprehensive heat management system | |
| CN204301362U (en) | A kind of absorption solar energy air-conditioning system improving solar energy utilization ratio | |
| CN209230052U (en) | A kind of solar heating energy-saving control system | |
| CN204693897U (en) | A kind of heat pump apparatus of air source | |
| CN203964276U (en) | A kind of system reclaiming for air conditioner afterheat |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Energy saving warm air heating system for electric excavator Effective date of registration: 20211217 Granted publication date: 20210604 Pledgee: Industrial and Commercial Bank of China Limited Linyi Economic Development Zone sub branch Pledgor: SHANDONG LINGONG CONSTRUCTION MACHINERY Co.,Ltd. Registration number: Y2021980015222 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |