CN107867146A - A kind of pressure regulating system of craneman's house hydraulic-driven air conditioner - Google Patents
A kind of pressure regulating system of craneman's house hydraulic-driven air conditioner Download PDFInfo
- Publication number
- CN107867146A CN107867146A CN201711171047.4A CN201711171047A CN107867146A CN 107867146 A CN107867146 A CN 107867146A CN 201711171047 A CN201711171047 A CN 201711171047A CN 107867146 A CN107867146 A CN 107867146A
- Authority
- CN
- China
- Prior art keywords
- valve
- air conditioner
- pressure
- air
- conditioning
- 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
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
-
- 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
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
-
- 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
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
- B60H1/00878—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices
- B60H1/00885—Controlling the flow of heating or cooling liquid, e.g. valves or pumps
-
- 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
- B60H1/32—Cooling devices
- B60H1/3204—Cooling devices using compression
- B60H1/3205—Control means therefor
- B60H1/3208—Vehicle drive related control of the compressor drive means, e.g. for fuel saving purposes
-
- 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
- B60H1/32—Cooling devices
- B60H1/3204—Cooling devices using compression
- B60H1/3226—Self-contained devices, i.e. including own drive motor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/161—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
- F15B20/007—Overload
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/08—Servomotor systems incorporating electrically operated control means
- F15B21/087—Control strategy, e.g. with block diagram
Abstract
The invention discloses a kind of pressure regulating system of craneman's house hydraulic-driven air conditioner, the hydraulic pump oil-out passing ratio valve of main frame is divided into two-way, the solenoid electric valve being made up of all the way fluid pressure line, overflow valve and choke valve is connected with air-conditioning motor, and drive compressor of air conditioner to operate by shaft coupling by air-conditioning motor, and solenoid electric valve according to the collection value of pressure sensor and temperature sensor adjust and control in real time by conditioning control unit；Another way is connected by fluid pressure line, rotary buffering valve and rotary motor.The control valve being made up of overflow valve and choke valve plays pressure security defencive function, automatic pressure regulation to air-conditioning motor after being connected with control unit, the steady running and normal protection for realizing air-conditioning system are cut off.Air-conditioning motor is connected by shaft coupling with compressor of air conditioner, drives compressor of air conditioner steady running, realizes the refrigeration performance of air conditioner.
Description
Technical field
The present invention relates to crane air conditioner technical field, and in particular to a kind of craneman's house hydraulic-driven air-conditioning
The pressure regulating system of device.
Background technology
In general crane part does not all have power (such as engine, motor), currently used for crane
Partial air-conditioning is typically chosen hydraulic-driven, using the existing pressure oil of upper vehicle hydraulic system, is changed by electro hydraulic valve, and driving is empty
Motor rotation is adjusted, then drives belt pulley to rotate, belt rotates, and compressor of air conditioner rotation is driven, so as to realize Kong Tiao Ya Shrink machines
Refrigerating function.
The air conditioner being hydraulically operated is connected in the hydraulic oil circuit of main frame, when the engine speed of main frame fluctuates suddenly
When, the suddenly change of hydraulic system pressure and flow is easily caused, causes the air-conditioning motor rotary speed of hydraulic-driven to fluctuate, Jin Erying
The rotating speed of compressor of air conditioner is rung, not only influences air conditioner refrigeration effect, and larger impact is easily caused to air conditioner, causes sky
Adjust device Frequent Troubles, influence the functional reliability of air conditioner, at the same may also result in main frame operation fluctuation it is larger, influence main frame
Stability.
The air-conditioner system being typically hydraulically operated, it is to provide hydraulic power by main unit hydraulic pump, oil-out passes through ratio
Connected all the way by the hydraulic motor of fluid pressure line and flow speed control valve and air conditioner after example distributing valve distribution oil mass, another way then passes through
Fluid pressure line, rotary buffering valve and rotary motor are connected, and last hydraulic oil is flowed into oil return box after flowing through each fluid pressure line.Using
Common flow speed control valve carries out the regulation of air conditioner rotating speed, is unfavorable for the stable operation of air conditioner with the change of system pressure, works as pressure
When power is too high, it is impossible to air-conditioner system is played a protective role, pressure of the impact that prolonged pressure height changes to air conditioner
The parts such as contracting machine do not have protective effect, easily cause damage, influence the reliability of air conditioner, then can not normally be transported under serious conditions
Turn, the use demand of user can not be met in real time.
Turn when existing craneman's house hydraulic-driven air conditioner works in the loop only with speed governing valve regulation air-conditioning
Speed, when pressure real-time change, compensating action is not had, and without safe pressure defencive function, when system pressure is higher than setting
During value, it is impossible to it is automatic to carry out pressure off-load, it can not ensure required pressure differential during rotary motor work, easily influence air-conditioning during operating
The stability of device and main frame, reduce reliability during use.
The content of the invention
Purpose：In order to overcome the deficiencies in the prior art, the present invention provides a kind of craneman's house hydraulic-driven
The pressure regulating system of air conditioner, solves the air conditioner of existing hydraulic-driven in use because main frame engine speed is dashed forward
So during fluctuation, shock problem caused by the change of hydraulic system pressure and flow is brought, the change of pressure and flow not only causes
The fluctuation of speed of air-conditioning motor, compressor of air conditioner is impacted, the work of air conditioner is influenceed, can also increase the load of main frame, cause to lead
Machine is short of power, or even serious meeting causes the explosion of supporting fluid pressure line.
Technical scheme：In order to solve the above technical problems, the technical solution adopted by the present invention is：
A kind of pressure regulating system of craneman's house hydraulic-driven air conditioner, it is characterised in that：Including hydraulic pump, ratio point
With valve, solenoid electric valve, air-conditioning motor, shaft coupling, compressor of air conditioner, rotary buffering valve, rotary motor, conditioning control unit；
The solenoid electric valve includes overflow valve and choke valve；
Wherein the oil-out of hydraulic pump is connected with the oil inlet of Prorating valve, from Prorating valve it is fuel-displaced after be divided into two-way, one
Road is connected by fluid pressure line and rotary buffering valve with rotary motor, ensures that main frame runs well, another way passes through fluid pressure line
Air-conditioning motor is flowed into through solenoid electric valve, drives compressor of air conditioner to operate by shaft coupling by air-conditioning motor, realizes air conditioner
Refrigerating function；
When hydraulic oil enters solenoid electric valve, two-way is divided into by solenoid electric valve：The throttling action that a part passes through choke valve
Into in executive component air-conditioning motor, leakage passage is entered after air-conditioning motor, another part flows directly into loop through overflow valve；
Solenoid electric valve is connected with conditioning control unit.
The conditioning control unit includes pressure sensor and temperature sensor, passes through the in good time anti-of pressure value and temperature value
Timely regulating system pressure and flow are presented, controls the operating and stopping of air-conditioning motor.
When hydraulic oil enters the solenoid electric valve being made up of overflow valve and choke valve, according to pressure size by the level pressure by
The overflow valve of effect carries out pressure compensation to choke valve, system pressure is changed with the change of load.Can be according to control system
The pressure and temperature value collected in real time carries out pressure off-load and Flow-rate adjustment, ensures air-conditioning motor and rotary motor action when institute
Pressure differential is needed, plays a part of pressure and automatically adjusts and stable operation.
The pressure regulating system of described craneman's house hydraulic-driven air conditioner, it is characterised in that：Also include oil return
Case, the fuel-displaced of the rotary motor flow back to oil return box by fluid pressure line.
The fuel-displaced of air-conditioning motor flows back to oil return box by fluid pressure line.A part of hydraulic oil of the overflow valve passes through
Fluid pressure line flows back to oil return box.Further, two parts hydraulic oil enters oil return box by same return line.
The solenoid electric valve is by controlling wire harness to be connected with conditioning control unit.
Beneficial effect：The pressure regulating system of craneman's house hydraulic-driven air conditioner provided by the invention, can be to existing
There is system pressure to compensate and adjust, system pressure is changed with the change of load, power loss is small, and will be therein
Control valve is connected with control system, and the operating and normal protection that can realize air-conditioning system are cut off, and control valve is provided with safety
Pressure protecting function, it is automatic to carry out pressure off-load when system pressure is higher than setting value, to ensure pressure needed for host work
Difference.The air conditioner of existing hydraulic-driven is solved in use because pressure changes caused shock problem in good time, because
The change of pressure not only impacts to air conditioner, and influences the reliability of air conditioner and the stable operation of main frame.The present invention
The pressure regulating system of hydraulic-driven air conditioner has safe pressure defencive function, can carry out pressure regulation automatically, realizes empty
The operating of adjusting system and normal protection, ensure the stable operation of whole performance loop, simple and practical, securely and reliably.
Brief description of the drawings
Fig. 1 is the hydraulic-driven air conditioner pressure regulating system schematic diagram of the present invention；
Fig. 2 is control unit pressure regulation flow process figure of the present invention；
In figure：1 hydraulic pump, 2 Prorating valves, 3 solenoid electric valves, 4 air-conditioning motors, 5 shaft couplings, 6 compressors of air conditioner, 7 revolutions
Trimmer valve, 8 rotary motors, 9 oil return boxes, 10 overflow valves, 11 choke valves, 12 conditioning control units, 13 pressure sensors, 14 temperature
Sensor.
Embodiment
The present invention is further described with reference to specific embodiment.
As shown in figure 1, be a kind of pressure regulating system of craneman's house hydraulic-driven air conditioner, including hydraulic pump 1,
Prorating valve 2, solenoid electric valve 3（Solenoid electric valve 3 includes overflow valve 10 and choke valve 11）, air-conditioning motor 4, shaft coupling 5,
Compressor of air conditioner 6, rotary buffering valve 7, rotary motor 8, oil return box 9, conditioning control unit 12.Wherein main unit hydraulic pump 1 goes out
Hydraulic fluid port is connected with the oil inlet of Prorating valve 2, from Prorating valve 2 it is fuel-displaced after be divided into two-way, all the way by fluid pressure line and
The solenoid electric valve 3 being made up of overflow valve 10 and choke valve 11 is connected with air-conditioning motor 4, is driven by air-conditioning motor 4 by shaft coupling 5
Dynamic compressor of air conditioner 6 operates, and realizes air conditioner refrigerating performance, and the solenoid electric valve 3 in system is by controlling wire harness and air-conditioning control
Unit 12 processed connects, and conditioning control unit includes pressure sensor 13 and temperature sensor 14, passes through pressure value and temperature value
Feed back timely regulating system pressure and flow in good time, control the operating and stopping of air-conditioning motor, another way by fluid pressure line and
Rotary buffering valve 7 is connected with rotary motor 8, ensures main frame operating.Two-way uses parallel way, one finally through overflow valve 10
Liquid separation force feed, air-conditioning motor 4 and the fuel-displaced of rotary motor 8 flow back to oil return box 9 by fluid pressure line.
In summary, it is as follows with reference to Fig. 1 and Fig. 2, operation principle of the present invention：
During air-conditioning work, the hydraulic-oil quantity that Prorating valve 2 flows into according to hydraulic pump is divided into two-way, flows into returning for main frame all the way
Turn trimmer valve 7, rotary motor 8, oil return afterwards to oil return box 9, the road ensure that the normal operation of main frame rotary motor 8；It is another
The solenoid electric valve 3 that road forms via overflow valve 10 and choke valve 11 flows into air-conditioning motor 4, and wherein air-conditioning motor 4 can pass through connection
Axle device 5 is connected with compressor of air conditioner 6, the normal work of compressor of air conditioner 6 is driven under the driving of air-conditioning motor 4, so as to realize
The refrigerating function of air conditioner.Wherein solenoid electric valve 3 is by controlling wire harness and conditioning control unit 12 to connect, conditioning control unit
12 are made up of pressure sensor 13 and temperature sensor 14 and other control elements, evaporation fan, condensation fan, temperature with air-conditioning
Degree switch is connected with pressure switch to be controlled, and solenoid electric valve 3 is controlled according to temperature and pressure feedback signal, when hydraulic oil enters
When entering the solenoid electric valve 3 being made up of overflow valve 10 and choke valve 11, according to pressure size by the overflow valve by playing level pressure
10 pairs of choke valves 11 carry out pressure compensation, system pressure is changed with the change of load, and be divided to by solenoid electric valve 3 for two
Road：A part is entered in executive component air-conditioning motor 4 by the throttling action of choke valve 11, and draining is entered after air-conditioning motor 4
Loop, another part flow directly into loop through overflow valve 10, and then two parts hydraulic oil enters oil return by same return line
Case 9, solenoid electric valve 3 are connected with conditioning control unit 12, can according to the collection of temperature and pressure value feed back be adjusted and
Control, the operating and normal protection for realizing air-conditioning system are cut off, when system pressure is higher than setting value, gathered according to pressure signal
With the automatic progress pressure off-load of feedback, it is ensured that required pressure differential when air-conditioning motor and rotary motor act, play pressure certainly
The effect of dynamic regulation and stable operation.
Described above is only the preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (7)
- A kind of 1. pressure regulating system of craneman's house hydraulic-driven air conditioner, it is characterised in that：Including hydraulic pump, ratio Distributing valve, solenoid electric valve, air-conditioning motor, shaft coupling, compressor of air conditioner, rotary buffering valve, rotary motor, airconditioning control list Member；The solenoid electric valve includes overflow valve and choke valve；Wherein the oil-out of hydraulic pump is connected with the oil inlet of Prorating valve, from Prorating valve it is fuel-displaced after be divided into two-way, one Road is connected by fluid pressure line and rotary buffering valve with rotary motor, ensures that main frame runs well, another way passes through fluid pressure line Air-conditioning motor is flowed into through solenoid electric valve, drives compressor of air conditioner to operate by shaft coupling by air-conditioning motor, realizes air conditioner Refrigerating function；When hydraulic oil enters solenoid electric valve, two-way is divided into by solenoid electric valve：The throttling action that a part passes through choke valve Into in executive component air-conditioning motor, leakage passage is entered after air-conditioning motor, another part flows directly into loop through overflow valve；Solenoid electric valve is connected with conditioning control unit.
- 2. the pressure regulating system of craneman's house hydraulic-driven air conditioner according to claim 1, it is characterised in that： The conditioning control unit includes pressure sensor and temperature sensor, is adjusted in time by the in good time feedback of pressure value and temperature value System pressure and flow are saved, controls the operating and stopping of air-conditioning motor.
- 3. the pressure regulating system of craneman's house hydraulic-driven air conditioner according to claim 1, it is characterised in that： When hydraulic oil enters the solenoid electric valve being made up of overflow valve and choke valve, according to pressure size by by playing overflowing for level pressure Flow valve and pressure compensation is carried out to choke valve, system pressure is changed with the change of load.
- 4. the pressure regulating system of craneman's house hydraulic-driven air conditioner according to claim 1, it is characterised in that： Also include oil return box, the fuel-displaced of the rotary motor flows back to oil return box by fluid pressure line.
- 5. the pressure regulating system of craneman's house hydraulic-driven air conditioner according to claim 4, it is characterised in that： The fuel-displaced of air-conditioning motor flows back to oil return box by fluid pressure line.
- 6. the pressure regulating system of craneman's house hydraulic-driven air conditioner according to claim 4, it is characterised in that： A part of hydraulic oil of the overflow valve flows back to oil return box by fluid pressure line.
- 7. the pressure regulating system of craneman's house hydraulic-driven air conditioner according to claim 1, it is characterised in that： The solenoid electric valve is by controlling wire harness to be connected with conditioning control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711171047.4A CN107867146A (en) | 2017-11-22 | 2017-11-22 | A kind of pressure regulating system of craneman's house hydraulic-driven air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711171047.4A CN107867146A (en) | 2017-11-22 | 2017-11-22 | A kind of pressure regulating system of craneman's house hydraulic-driven air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107867146A true CN107867146A (en) | 2018-04-03 |
Family
ID=61754433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711171047.4A Pending CN107867146A (en) | 2017-11-22 | 2017-11-22 | A kind of pressure regulating system of craneman's house hydraulic-driven air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107867146A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108621748A (en) * | 2018-05-09 | 2018-10-09 | 安徽江淮汽车集团股份有限公司 | Double-compressor air-conditioning control system for refrigerator carriage |
| CN110386563A (en) * | 2018-04-23 | 2019-10-29 | 杭州诺云科技有限公司 | A kind of folding and unfolding storage device based on deep Compensation Control |
| CN111910706A (en) * | 2020-09-04 | 2020-11-10 | 雷沃工程机械集团有限公司 | Output power control method and system for excavator in air conditioner refrigeration mode |
| CN112483498A (en) * | 2020-11-30 | 2021-03-12 | 杭州精工液压机电制造有限公司 | Engineering machinery air conditioner control valve with proportional throttle valve and control method |
| CN112498047A (en) * | 2019-09-16 | 2021-03-16 | 河北雷萨重型工程机械有限责任公司 | Crane air conditioner control system and crane |
| CN113479026A (en) * | 2021-07-02 | 2021-10-08 | 徐州天一红点车用空调有限公司 | Low-noise hydraulic air conditioner for vehicle |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000203252A (en) * | 1999-01-13 | 2000-07-25 | Nissan Motor Co Ltd | Vehicular air conditioner |
| KR20020069542A (en) * | 2001-02-26 | 2002-09-05 | 현대자동차주식회사 | Air conditioner operating system in hybrid electrical vehicle and control method of the system |
| JP2005140143A (en) * | 2003-11-04 | 2005-06-02 | Komatsu Ltd | Energy recovering device for pressure oil |
| CN101025171A (en) * | 2007-02-25 | 2007-08-29 | 江苏创导空调有限公司 | Hydraulic-oil quantity distribution system for engineering vehicle hydraulic power air-conditioner |
| CN201803528U (en) * | 2010-05-22 | 2011-04-20 | 江苏创导空调有限公司 | Energy-efficient hydraulic power air-conditioning system |
| CN201833852U (en) * | 2010-10-28 | 2011-05-18 | 江苏创导空调有限公司 | Parallel-connection type pressure-maintained hydraulic air conditioner system |
| CN205064451U (en) * | 2015-08-21 | 2016-03-02 | 徐工集团工程机械股份有限公司科技分公司 | Hydraulic pressure structure with independent circulation heat dissipation and filtering capability |
| CN207683266U (en) * | 2017-11-22 | 2018-08-03 | 徐工集团工程机械有限公司 | A kind of pressure regulating system of craneman's house hydraulic-driven air conditioner |
-
2017
- 2017-11-22 CN CN201711171047.4A patent/CN107867146A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000203252A (en) * | 1999-01-13 | 2000-07-25 | Nissan Motor Co Ltd | Vehicular air conditioner |
| KR20020069542A (en) * | 2001-02-26 | 2002-09-05 | 현대자동차주식회사 | Air conditioner operating system in hybrid electrical vehicle and control method of the system |
| JP2005140143A (en) * | 2003-11-04 | 2005-06-02 | Komatsu Ltd | Energy recovering device for pressure oil |
| CN101025171A (en) * | 2007-02-25 | 2007-08-29 | 江苏创导空调有限公司 | Hydraulic-oil quantity distribution system for engineering vehicle hydraulic power air-conditioner |
| CN201803528U (en) * | 2010-05-22 | 2011-04-20 | 江苏创导空调有限公司 | Energy-efficient hydraulic power air-conditioning system |
| CN201833852U (en) * | 2010-10-28 | 2011-05-18 | 江苏创导空调有限公司 | Parallel-connection type pressure-maintained hydraulic air conditioner system |
| CN205064451U (en) * | 2015-08-21 | 2016-03-02 | 徐工集团工程机械股份有限公司科技分公司 | Hydraulic pressure structure with independent circulation heat dissipation and filtering capability |
| CN207683266U (en) * | 2017-11-22 | 2018-08-03 | 徐工集团工程机械有限公司 | A kind of pressure regulating system of craneman's house hydraulic-driven air conditioner |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110386563A (en) * | 2018-04-23 | 2019-10-29 | 杭州诺云科技有限公司 | A kind of folding and unfolding storage device based on deep Compensation Control |
| CN108621748A (en) * | 2018-05-09 | 2018-10-09 | 安徽江淮汽车集团股份有限公司 | Double-compressor air-conditioning control system for refrigerator carriage |
| CN112498047A (en) * | 2019-09-16 | 2021-03-16 | 河北雷萨重型工程机械有限责任公司 | Crane air conditioner control system and crane |
| CN111910706A (en) * | 2020-09-04 | 2020-11-10 | 雷沃工程机械集团有限公司 | Output power control method and system for excavator in air conditioner refrigeration mode |
| CN112483498A (en) * | 2020-11-30 | 2021-03-12 | 杭州精工液压机电制造有限公司 | Engineering machinery air conditioner control valve with proportional throttle valve and control method |
| CN113479026A (en) * | 2021-07-02 | 2021-10-08 | 徐州天一红点车用空调有限公司 | Low-noise hydraulic air conditioner for vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107867146A (en) | A kind of pressure regulating system of craneman's house hydraulic-driven air conditioner | |
| US7571597B2 (en) | Airframe mounted motor driven lubrication pump control system and method | |
| CN101082441B (en) | Air conditioner | |
| US4802336A (en) | Hydrostatic transmission having a control and regulating device for adjusting the driving torque with superimposed output power limit regulation | |
| KR20130018253A (en) | Hydraulic fan drive | |
| CN101105175A (en) | Compressed air manufacturing facility | |
| CN207683266U (en) | A kind of pressure regulating system of craneman's house hydraulic-driven air conditioner | |
| CN104364534B (en) | Actuator | |
| CN106468137A (en) | A kind of control system improving rotary digging drill power head operating rate and method | |
| FI87830B (en) | OVER ANCHORING FOER STARRY AV EN BERGBORRMASKINS LUFTMATNING | |
| CN106015201A (en) | Rotary control device and hydraulic control system | |
| JP4702385B2 (en) | Fan control device | |
| CN105508247A (en) | Energy-saving air compressor | |
| CN102345649A (en) | Hydraulic system | |
| US4036432A (en) | Variable speed fan drive system | |
| CN101048582B (en) | A drill rig and a method for controlling a fan thereof | |
| JP2701812B2 (en) | Hydraulic fan hydraulic drive controller for cooling tower | |
| CN107905881A (en) | A kind of engineering machinery hydraulic independence cooling system | |
| CN105387658B (en) | Water cooling cold type air-conditioning equipment and the operating method based on the equipment | |
| CN106006387A (en) | Air conditioner rotation system and engineering machine with same | |
| CN103573731A (en) | Flow control valve, flow control device and hydraulic oil heat dissipation system | |
| CN205066251U (en) | Water -cooling cold wind type air conditioning equipment | |
| EP3278034B1 (en) | Method for active mixing at an air handling unit | |
| CN202732521U (en) | Flow control valve, flow control device and hydraulic oil cooling system | |
| CN204739025U (en) | Bivalve core vibrating valve that quick breath shakes and road roller thereof |
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 | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220718 Address after: No.26 tuolanshan Road, Xuzhou Economic and Technological Development Zone, Xuzhou City, Jiangsu Province Applicant after: JIANGSU XUGONG ENGINEERING MACHINERY RESEARCH INSTITUTE Co.,Ltd. Address before: 221004 26 Jinshan Road, Jinshan Bridge Economic Development Zone, Xuzhou, Jiangsu Applicant before: XCMG CONSTRUCTION MACHINERY Co.,Ltd. |