CN202850085U - Hydraulic excavator hybrid power energy saving system - Google Patents
Hydraulic excavator hybrid power energy saving system Download PDFInfo
- Publication number
- CN202850085U CN202850085U CN 201220549525 CN201220549525U CN202850085U CN 202850085 U CN202850085 U CN 202850085U CN 201220549525 CN201220549525 CN 201220549525 CN 201220549525 U CN201220549525 U CN 201220549525U CN 202850085 U CN202850085 U CN 202850085U
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- master controller
- crawler excavator
- servo motor
- rectifier
- energy
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Abstract
The utility model discloses a hydraulic excavator hybrid power energy saving system which comprises an engine, a hydraulic pump and a master controller. The engine and the hydraulic pump are installed on a hydraulic excavator, the engine is connected with the hydraulic pump through a transfer case, the master controller is connected with a generator, a rectifier, an inverter, a direct current servo motor and a power storage device, the generator is connected with an output end of the engine, the rectifier is connected with an output end of the generator, the inverter is connected with an input end of the rectifier, the direct current servo motor is connected with an input end of the inverter, the power storage device is connected with the direct current servo motor, an input end of the direct current servo motor and an input end of the power storage device are connected with an output end of the rectifier, and the engine is connected with the master controller. The hydraulic excavator hybrid power energy saving system is simple in structure, high in control accuracy, high in practicability, wide in development space and capable of guaranteeing full utilization of energy in the operation process of the hydraulic excavator and achieving energy saving functions in the working process of the hydraulic excavator.
Description
Technical field
The utility model relates to a kind of hydraulic excavator saving energy system, especially relates to a kind of hydraulic crawler excavator mix-driving and energy-saving system.
Background technology
Hydraulic crawler excavator is a kind of construction machinery that carries out the soil excavation operation, because the superiority such as its strong adaptability, operating efficiency height, thereby be widely used in the mechanized construction process of industry and the every profession and trades such as civilian construction, communications and transportation, Hydraulic and Hydro-Power Engineering, farmland improvement, mine excavation and modernized military engineering, but the energy loss that the slewing equipment of hydraulic crawler excavator produces in work progress is mainly produced by following three aspects::
1, the hydraulic crawler excavator slewing equipment start and braking procedure in, especially under the scraper bowl full-loading condition, because the compression shock of the Hydraulic slewing system that large inertia causes causes the Hydraulic slewing system overflow to be generated heat;
2, the slewing equipment of hydraulic crawler excavator needs powerful engine configurations under the instantaneous high load working conditions such as full bucket lifting; And under the small load conditions such as unloading phase, because Match is excessive, cause the under-utilized and energy dissipation that forms of motor energy under small load condition.
The utility model content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, a kind of hydraulic crawler excavator mix-driving and energy-saving system is provided, it has solved the energy dissipation problem of slewing equipment in the braking procedure of full bucket lifting and revolution and swing with empty bucket of hydraulic crawler excavator, and under the small load conditions such as unloading phase of hydraulic crawler excavator, the power of motor is utilized fully, the energy of waste is recycled and has improved the utilization rate of engine power, realize the power saving function in the hydraulic crawler excavator turning course, had vast potential for future development.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of hydraulic crawler excavator mix-driving and energy-saving system, comprise the motor and the hydraulic pump that are installed on the hydraulic crawler excavator, described motor is connected with described hydraulic pump by transfer case, it is characterized in that: also comprise master controller, described master controller is connected with the generator that is connected with the output of described motor, the rectifier that is connected with the output of described generator, and the inverter that is connected with the input of described rectifier, the DC servo motor that is connected with the input of described inverter and the electrical storage device that is connected with described DC servo motor, the input of described DC servo motor be connected the input of electrical storage device and all be connected with the output of described rectifier, described motor and described master controller join.
Above-mentioned a kind of hydraulic crawler excavator mix-driving and energy-saving system, it is characterized in that: described motor joins by engine control module and described master controller.
Above-mentioned a kind of hydraulic crawler excavator mix-driving and energy-saving system, it is characterized in that: described generator joins by generator control module and described master controller.
Above-mentioned a kind of hydraulic crawler excavator mix-driving and energy-saving system, it is characterized in that: described DC servo motor joins by DC servo motor control module and described master controller.
Above-mentioned a kind of hydraulic crawler excavator mix-driving and energy-saving system, it is characterized in that: described master controller is the PLC controller.
Above-mentioned a kind of hydraulic crawler excavator mix-driving and energy-saving system, it is characterized in that: described rectifier is silicon controlled rectifier (SCR).
Above-mentioned a kind of hydraulic crawler excavator mix-driving and energy-saving system, it is characterized in that: described electrical storage device is high-performance polymer solid accumulator or super capacitor.
The utility model compared with prior art has the following advantages:
1, simple in structure, control accuracy is high, and is practical.
2, guaranteed that energy in the hydraulic crawler excavator running takes full advantage of the operating efficiency with hydraulic crawler excavator, realized the power saving function in the hydraulic crawler excavator course of work, had wide development space.
Below by drawings and Examples, the utility model is described in further detail.
Description of drawings
Fig. 1 is schematic block circuit diagram of the present utility model.
Fig. 2 is structural representation of the present utility model.
Description of reference numerals:
1-master controller; 2-motor; 3-generator;
4-rectifier; 5-electrical storage device; 6-DC servo motor;
7-inverter; 8-transfer case; 9-hydraulic pump;
2-1-engine control module; 3-1-generator control module;
6-1-DC servo motor control module.
The specific embodiment
A kind of hydraulic crawler excavator mix-driving and energy-saving system as depicted in figs. 1 and 2, comprise the motor 2 and the hydraulic pump 9 that are installed on the hydraulic crawler excavator, described motor 2 is connected with described hydraulic pump 9 by transfer case 8, also comprise master controller 1, described master controller 1 is connected with the generator 3 that is connected with the output of described motor 2, the rectifier 4 that is connected with the output of described generator 3, and the inverter 7 that is connected with the input of described rectifier 4, the DC servo motor 6 that is connected with the input of described inverter 7 and the electrical storage device 5 that is connected with described DC servo motor 6, the input of described DC servo motor 6 be connected the input of electrical storage device 5 and all be connected with the output of described rectifier 4, described motor 2 joins with described master controller 1.
As shown in Figure 2, described motor 2 joins by engine control module 2-1 and described master controller 1.
As shown in Figure 2, described generator 3 joins by generator control module 3-1 and described master controller 1.
As shown in Figure 2, described DC servo motor 6 joins by DC servo motor control module 6-1 and described master controller 1.
In the present embodiment, described master controller 1 is the PLC controller.
In the present embodiment, described rectifier 4 is silicon controlled rectifier (SCR).
In the present embodiment, described electrical storage device 5 is high-performance polymer solid accumulator or super capacitor.
As depicted in figs. 1 and 2, operating principle of the present utility model is: described motor 2 is connected with described generator 3 by described transfer case 8, thereby the power that described motor 2 produces can either provide power for described hydraulic pump 9, also can be for described generator 3 provide power, described master controller 1 carries out power distribution according to the operating condition of hydraulic crawler excavator to described generator 3 and hydraulic pump 9.When the slewing equipment of hydraulic crawler excavator turns round in zero load, unloaded or fully loaded braking, under the operating modes such as unloading, when engine power is plentiful, the a part of power that produces by described motor 2 drives described generator 3 operations, the alternating current that produces during described generator 3 operation can charge to described electrical storage device 5 by the described rectifier 4 rear direct currents that produce, and the bucket device of working as hydraulic crawler excavator excavates, slewing equipment starts, during the high load working conditions such as full bucket lifting and revolution, the alternating current that described generator 3 produces is powered to described DC servo motor 6 together through direct current and described electrical storage device 5 after described rectifier 4 rectifications, when the slewing equipment of hydraulic crawler excavator is operated in the deboost phase, described DC servo motor 6 is as generator operation, the direct current that described DC servo motor 6 produces is alternating current through inversion behind the described inverter 7, alternating current after the inversion is rectified into direct current through behind the described rectifier 4 again, at this moment the direct current after the rectification charges to described electrical storage device 5, when described motor 2 is converted into electric energy with the mechanical energy that produces in braking procedure, the alternating current that produces is converted into direct current through behind the described rectifier 4, also can realize the charging to electrical storage device, so just converted the mechanical energy that originally slatterns to utilizable electric energy, realized the recovery of mechanical energy, the described engine control module 2-1 of while hydraulic crawler excavator, generator control module 3-1 and DC servo motor control module 6-1 can be with described motors 2, the practical operation situation of generator 3 and DC servo motor 6 is sent in the described master controller 1 in real time, described master controller is processed after receiving signal, and the result after the processing is used for controlling described motor 2, the operation of generator 3 and DC servo motor 6.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; every according to the utility model technical spirit to any simple modification, change and equivalent structure transformation that above embodiment does, all still belong in the protection domain of technical solutions of the utility model.
Claims (7)
1. hydraulic crawler excavator mix-driving and energy-saving system, comprise the motor (2) and the hydraulic pump (9) that are installed on the hydraulic crawler excavator, described motor (2) is connected with described hydraulic pump (9) by transfer case (8), it is characterized in that: also comprise master controller (1), described master controller (1) is connected with the generator (3) that is connected with the output of described motor (2), the rectifier (4) that is connected with the output of described generator (3), and the inverter (7) that is connected with the input of described rectifier (4), the DC servo motor (6) that is connected with the input of described inverter (7) and the electrical storage device (5) that is connected with described DC servo motor (6), the input of described DC servo motor (6) be connected the input of electrical storage device (5) and all be connected with the output of described rectifier (4), described motor (2) joins with described master controller (1).
2. a kind of hydraulic crawler excavator mix-driving and energy-saving according to claim 1 system, it is characterized in that: described motor (2) joins by engine control module (2-1) and described master controller (1).
3. a kind of hydraulic crawler excavator mix-driving and energy-saving according to claim 1 system, it is characterized in that: described generator (3) joins by generator control module (3-1) and described master controller (1).
4. a kind of hydraulic crawler excavator mix-driving and energy-saving according to claim 1 system, it is characterized in that: described DC servo motor (6) joins by DC servo motor control module (6-1) and described master controller (1).
5. the described a kind of hydraulic crawler excavator mix-driving and energy-saving of arbitrary claim system according to claim 1～4, it is characterized in that: described master controller (1) is the PLC controller.
6. the described a kind of hydraulic crawler excavator mix-driving and energy-saving of arbitrary claim system according to claim 1～4, it is characterized in that: described rectifier (4) is silicon controlled rectifier (SCR).
7. the described a kind of hydraulic crawler excavator mix-driving and energy-saving of arbitrary claim system according to claim 1～4, it is characterized in that: described electrical storage device (5) is high-performance polymer solid accumulator or super capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220549525 CN202850085U (en) | 2012-10-24 | 2012-10-24 | Hydraulic excavator hybrid power energy saving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220549525 CN202850085U (en) | 2012-10-24 | 2012-10-24 | Hydraulic excavator hybrid power energy saving system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202850085U true CN202850085U (en) | 2013-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220549525 Expired - Fee Related CN202850085U (en) | 2012-10-24 | 2012-10-24 | Hydraulic excavator hybrid power energy saving system |
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| Country | Link |
|---|---|
| CN (1) | CN202850085U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104153410A (en) * | 2014-08-08 | 2014-11-19 | 湖南三一路面机械有限公司 | Land leveler driving system and land leveler |
| CN111945803A (en) * | 2020-08-25 | 2020-11-17 | 中国铁建重工集团股份有限公司 | Shovel loader |
-
2012
- 2012-10-24 CN CN 201220549525 patent/CN202850085U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104153410A (en) * | 2014-08-08 | 2014-11-19 | 湖南三一路面机械有限公司 | Land leveler driving system and land leveler |
| CN111945803A (en) * | 2020-08-25 | 2020-11-17 | 中国铁建重工集团股份有限公司 | Shovel loader |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130403 Termination date: 20131024 |