CN204371839U - A kind of energy-saving hydraulic oil independent heat dissipation device - Google Patents

A kind of energy-saving hydraulic oil independent heat dissipation device Download PDF

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Publication number
CN204371839U
CN204371839U CN201420840573.0U CN201420840573U CN204371839U CN 204371839 U CN204371839 U CN 204371839U CN 201420840573 U CN201420840573 U CN 201420840573U CN 204371839 U CN204371839 U CN 204371839U
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CN
China
Prior art keywords
oil
valve
valve body
oil outlet
cooling motor
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.)
Expired - Fee Related
Application number
CN201420840573.0U
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Chinese (zh)
Inventor
王红民
王汉杰
李艳军
杨彩霞
高利斌
邢克鹏
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Zhengzhou Yutong Heavy Industry Co Ltd
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Zhengzhou Yutong Heavy Industry Co Ltd
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Priority to CN201420840573.0U priority Critical patent/CN204371839U/en
Application granted granted Critical
Publication of CN204371839U publication Critical patent/CN204371839U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

A kind of energy-saving hydraulic oil independent heat dissipation device, comprise for hydraulic oil radiator the cooling motor of cooling wind regime is provided and by radiator control valve group for cooling motor provides the coolant pump of power; Described radiator control valve group comprises the valve body being provided with oil inlet P, drain tap T and oil outlet A, return opening B, is positioned at the one-way valve of valve body, relief valve, proportional electromagnetic valve; The oil inlet P of described valve body is connected with the 3rd hydraulic fluid port A of the filler opening of relief valve, the oil outlet of one-way valve, the oil outlet of proportional electromagnetic valve and valve body successively by corresponding oil duct; The filler opening of the oil outlet of relief valve, the filler opening of one-way valve, proportional electromagnetic valve is connected with drain tap T, the return opening B of valve body respectively by corresponding oil duct; The oil inlet P of described valve body is connected with the oil outlet of coolant pump, and the drain tap T of described valve body is connected with fuel tank, and the oil outlet A of described valve body is connected with cooling motor filler opening, and the return opening B of described valve body is connected with cooling motor oil outlet.

Description

A kind of energy-saving hydraulic oil independent heat dissipation device
Technical field
The utility model relates to a kind of engineering machinery technology, is specifically related to a kind of energy-saving hydraulic oil independent heat dissipation device.
Background technique
Hydraulic crawler crane, dynamic compaction machinery are when actual (tube) length time service, and because hydraulic system produces amount of heat, in order to ensure complete machine heat equilibrium of hydraulic system, the normal work of hydraulic system, adds hydraulic oil independence radiation system.But common hydraulic oil independence radiation system adopts temperature transducer controlled cooling model valve group, and then the work of hydraulic control oil radiator fan motor.Meanwhile, the rotating speed of fan motor changes along with the rotating speed of motor, meets the heat radiation power demand under different operating mode.Hydraulic oil independence radiation system can be caused like this to only have work and inoperative two states.Although above-mentioned two states can meet the heat radiation needs of complete machine, within some period, the motor rotary speed of fan is constant, and the demand of actual heat radiation power be less than confession, cause the waste of the energy.
Model utility content
The purpose of this utility model provides a kind of energy-saving hydraulic oil independent heat dissipation device just for deficiency existing in above-mentioned prior art, this sink can reduce unnecessary power dissipation, reaches energy-conservation object.
The purpose of this utility model realizes by following technique measures:
Energy-saving hydraulic of the present utility model oil independent heat dissipation device comprise for hydraulic oil radiator the cooling motor of cooling wind regime is provided and by radiator control valve group for cooling motor provides the coolant pump of power; Described radiator control valve group comprises the valve body being provided with oil inlet P, drain tap T and oil outlet A, return opening B, is positioned at the one-way valve of valve body, relief valve, proportional electromagnetic valve; The oil inlet P of described valve body is connected with the 3rd hydraulic fluid port A of the filler opening of relief valve, the oil outlet of one-way valve, the oil outlet of proportional electromagnetic valve and valve body successively by corresponding oil duct; The filler opening of the oil outlet of relief valve, the filler opening of one-way valve, proportional electromagnetic valve is connected with drain tap T, the return opening B of valve body respectively by corresponding oil duct; The oil inlet P of described valve body is connected with the oil outlet of coolant pump, and the drain tap T of described valve body is connected with fuel tank, and the oil outlet A of described valve body is connected with cooling motor filler opening, and the return opening B of described valve body is connected with cooling motor oil outlet.
The utility model is provided with in the outlet of described hydraulic oil radiator the temperature transducer be connected with Oil-temperature control device, by detecting hydraulic fluid temperature, send testing signal to combination instrument, combination instrument exports comparative example solenoid valve by PWM and controls, to reach stepless changing cooling motor rotating speed object.
One-way valve described in the utility model is standard one-way valve; Described relief valve is standard relief valve; Described proportional electromagnetic valve is standard proportional solenoid valve.
Principle of the present utility model and beneficial effect as follows:
Proportional electromagnetic valve described in the utility model is used for described oil inlet P to be communicated with drain tap T, hydraulic fluid temperature is detected by temperature transducer, and send the temperature output signal of collection to combination instrument, combination instrument carries out proportional control by PWM output comparative example valve core of the electromagnetic valve opening degree, and then the rotating speed of cooling motor is controlled constantly, reach required heat radiation power and reality and export that heat radiation power mates constantly, to reach the object of energy-saving and emission-reduction.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model.
Fig. 2 is electric logic control graph of a relation.
Fig. 3 is proportional electromagnetic valve and flow control linear relationship chart.
Embodiment
The utility model is further described below with reference to embodiment's (accompanying drawing):
As shown in Figure 1, energy-saving hydraulic of the present utility model oil independent heat dissipation device comprise for hydraulic oil radiator the cooling motor 6 of cooling wind regime is provided and by radiator control valve group 2 for cooling motor 6 provides the coolant pump 1 of power; Described radiator control valve group 2 comprises the valve body being provided with oil inlet P, drain tap T and oil outlet A, return opening B, is positioned at the one-way valve 3 of valve body, relief valve 4, proportional electromagnetic valve 5; The oil inlet P of described valve body is connected with the 3rd hydraulic fluid port A of the filler opening of relief valve 4, the oil outlet of one-way valve 3, the oil outlet of proportional electromagnetic valve 5 and valve body successively by corresponding oil duct; The filler opening of the oil outlet of relief valve 4, the filler opening of one-way valve 3, proportional electromagnetic valve 5 is connected with drain tap T, the return opening B of valve body respectively by corresponding oil duct; The oil inlet P of described valve body is connected with the oil outlet of coolant pump 1, and the drain tap T of described valve body is connected with fuel tank, and the oil outlet A of described valve body is connected with cooling motor 6 filler opening, and the return opening B of described valve body is connected with cooling motor 6 oil outlet.
The utility model is provided with in the outlet of described hydraulic oil radiator the temperature transducer 7 be connected with Oil-temperature control device, by detecting hydraulic fluid temperature, send testing signal to combination instrument, combination instrument exports comparative example solenoid valve 5 by PWM and controls, to reach stepless changing cooling motor rotating speed object.
One-way valve 3 described in the utility model is standard one-way valve; Described relief valve 4 is standard relief valve; Described proportional electromagnetic valve 5 is standard proportional solenoid valve; The coolant pump 1 adopted is gear pump.
Working procedure of the present utility model is as follows:
When complete machine is just started working, temperature transducer 7 detects complete machine hydraulic fluid temperature lower than setting value, temperature transducer 7 is by Signal transmissions to combination instrument Oil-temperature control device, and final combination instrument is controlled by PWM delivery outlet comparative example solenoid valve 5, and now cooling motor 6 is in off working state.Along with complete machine hydraulic system temperature raises, temperature transducer 7 output current signal increases, continue to be transferred to combination instrument Oil-temperature control device, at this moment according to electric current and the discharge relation of proportional electromagnetic valve 5, the rotating speed of controlled cooling model motor, controls the output (see Fig. 2) of the heat radiation power of complete machine hydraulic system.This hydraulic oil independence radiation system can according to the output of hydraulic oil temperature hydraulic control oil radiator power constantly, to reach energy-conservation object.

Claims (2)

1. an energy-saving hydraulic oil independent heat dissipation device, it comprise for hydraulic oil radiator provide cooling wind regime cooling motor (6) and by radiator control valve group (2) for cooling motor (6) provides the coolant pump (1) of power, it is characterized in that: described radiator control valve group (2) comprises the valve body being provided with oil inlet P, drain tap T and oil outlet A, return opening B, be positioned at the one-way valve (3) of valve body, relief valve (4), proportional electromagnetic valve (5); The oil inlet P of described valve body is connected with the 3rd hydraulic fluid port A of the filler opening of relief valve (4), the oil outlet of one-way valve (3), the oil outlet of proportional electromagnetic valve (5) and valve body successively by corresponding oil duct, and the filler opening of the oil outlet of relief valve (4), the filler opening of one-way valve (3), proportional electromagnetic valve (5) is connected with drain tap T, the return opening B of valve body respectively by corresponding oil duct; The oil inlet P of described valve body is connected with the oil outlet of coolant pump (1), the drain tap T of described valve body is connected with fuel tank, the oil outlet A of described valve body is connected with cooling motor (6) filler opening, and the return opening B of described valve body is connected with cooling motor (6) oil outlet.
2. energy-saving hydraulic oil independent heat dissipation device according to claim 1, is characterized in that: be provided with in the outlet of described hydraulic oil radiator the temperature transducer (7) be connected with Oil-temperature control device.
CN201420840573.0U 2014-12-26 2014-12-26 A kind of energy-saving hydraulic oil independent heat dissipation device Expired - Fee Related CN204371839U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420840573.0U CN204371839U (en) 2014-12-26 2014-12-26 A kind of energy-saving hydraulic oil independent heat dissipation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420840573.0U CN204371839U (en) 2014-12-26 2014-12-26 A kind of energy-saving hydraulic oil independent heat dissipation device

Publications (1)

Publication Number Publication Date
CN204371839U true CN204371839U (en) 2015-06-03

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420840573.0U Expired - Fee Related CN204371839U (en) 2014-12-26 2014-12-26 A kind of energy-saving hydraulic oil independent heat dissipation device

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106884819A (en) * 2017-03-06 2017-06-23 成都捷冠科技有限公司 A kind of high-voltage energy-storage equipment for driving anchoring drilling machine radiator
CN110056549A (en) * 2019-04-03 2019-07-26 燕山大学 A kind of the lifting hydraulic cylinder potential energy recovery system and method for automatic control

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106884819A (en) * 2017-03-06 2017-06-23 成都捷冠科技有限公司 A kind of high-voltage energy-storage equipment for driving anchoring drilling machine radiator
CN110056549A (en) * 2019-04-03 2019-07-26 燕山大学 A kind of the lifting hydraulic cylinder potential energy recovery system and method for automatic control
CN110056549B (en) * 2019-04-03 2020-03-13 燕山大学 Automatic control lifting hydraulic cylinder potential energy recovery system and method

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150603

Termination date: 20201226