CN104071698A - Crane hydraulic oil temperature control system, method and crane - Google Patents
Crane hydraulic oil temperature control system, method and crane Download PDFInfo
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- CN104071698A CN104071698A CN201410346033.1A CN201410346033A CN104071698A CN 104071698 A CN104071698 A CN 104071698A CN 201410346033 A CN201410346033 A CN 201410346033A CN 104071698 A CN104071698 A CN 104071698A
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- temperature
- oil temperature
- hydraulic fluid
- control setup
- radiator
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Abstract
The invention discloses a crane hydraulic oil temperature control system, a method and a crane. An oil temperature detecting device sends out collected hydraulic oil temperature in real time to a control device for comparing the hydraulic oil temperature with a preset oil temperature upper limit threshold value and a preset lower limit threshold value, so that when the hydraulic oil temperature is larger than the oil temperature upper limit threshold value, the control device controls a radiator to start, and when the hydraulic oil temperature is lower than the oil temperature lower limit temperature, the control device controls the radiator to stop. According to the control system, the method and the crane, the oil temperature can be detected in real time for starting and stopping the operation of the hydraulic oil radiator intelligently and in time to radiate heat of hydraulic oil sufficiently in the situation that energy is saved as far as possible, so that the promotion of the properties of the hydraulic system is facilitated and the energy waste is reduced.
Description
Technical field
The present invention relates to technical field of engineering machinery, relate in particular to crane hydraulic oil temperature control system, method and hoisting crane.
Background technology
Hydraulic efficiency pressure system is the vitals of hoisting crane, and the action such as what hoisting crane completed get on the bus is all using hydraulic oil as media implementation, so the life-span of hydraulic oil directly has influence on the Performance And Reliability of car load.Along with the polytropy of growth, operating environment and the operating mode of work-hours, oil temperature changes violent.And hydraulic oil radiator is the opportunity (realizing by the rocker switch on panel) of getting on to judge opening and closing hydraulic oil radiator by operator's subjectivity on existing vehicle, be so just difficult to realize the accurate control to hydraulic oil radiator.When temperature is high, start slow meeting hydraulic oil caused to damage, when temperature is low, open radiator and can cause unnecessary waste, and if radiator for a long time unlatching can cause and waste energy.
Summary of the invention
In view of this, the technical matters that the present invention will solve is to provide a kind of crane hydraulic oil temperature control system, method and hoisting crane, opens and stops hydraulic oil radiator work according to oil temperature.
A kind of crane hydraulic oil temperature control system, comprising: oil temperature detecting device, control setup and radiator; The hydraulic fluid temperature of collection is sent in real time described control setup by described oil temperature detecting device; Described control setup is by described hydraulic fluid temperature and default oil temperature upper limit threshold and the comparison of oil temperature lower threshold, in the time that described hydraulic fluid temperature is greater than described oil temperature upper limit threshold, described in described control setup control, radiator brings into operation, in the time that described hydraulic fluid temperature is less than described oil temperature lower threshold, radiator is out of service described in described control setup control.
According to one embodiment of present invention, further, described radiator comprises drive motor; The feed circuit of the drive motor of described radiator comprise: the first feed circuit and the second feed circuit; The break-make of the first feed circuit described in described control setup control, wherein, in the time that described hydraulic fluid temperature is greater than described oil temperature upper limit threshold, described in described control setup control, drive motor brings into operation, in the time that described hydraulic fluid temperature is less than described oil temperature lower limit temperature, drive motor is out of service described in described control setup control; Temperature switch is arranged in described the second feed circuit, when temperature switch closure described in hydraulic fluid temperature is increased to while exceeding oil temperature threshold value, when hydraulic fluid temperature during lower than oil temperature threshold value temperature switch disconnect.
According to one embodiment of present invention, further, in described the first feed circuit and described the second feed circuit, fuse is all set.
According to one embodiment of present invention, further, described oil temperature detecting device is temperature sensor.
According to one embodiment of present invention, further, the position of described temperature sensor setting comprises: hydraulic main valve is interior, the return opening of hydraulic reservoir.
According to one embodiment of present invention, further, comprise warning device; Described warning device is electrically connected with described control setup; Described warning device comprises: voice guard, picture and text display alarm.
A kind of hoisting crane, comprises crane hydraulic oil temperature control system as above.
A kind of crane hydraulic oil temperature control method, comprising: the hydraulic fluid temperature of collection is sent in real time control setup by oil temperature detecting device; Described control setup is by described hydraulic fluid temperature and default oil temperature upper limit threshold and the comparison of oil temperature lower threshold; In the time that described hydraulic fluid temperature is greater than described oil temperature upper limit threshold, the drive motor of described control setup control radiator brings into operation, in the time that described hydraulic fluid temperature is less than described oil temperature lower limit temperature, the drive motor of described control setup control radiator is out of service.
According to one embodiment of present invention, further, the feed circuit of the drive motor of radiator comprise: the first feed circuit and the second feed circuit; The break-make of the first feed circuit described in described control setup control; Wherein, in the time that described hydraulic fluid temperature is greater than described oil temperature upper limit threshold, drive motor brings into operation described in described control setup control, and in the time that described hydraulic fluid temperature is less than described oil temperature lower limit temperature, drive motor is out of service described in described control setup control; Set temperature switch in described the second feed circuit, when temperature switch closure described in hydraulic fluid temperature is increased to while exceeding oil temperature threshold value, when hydraulic fluid temperature during lower than oil temperature threshold value temperature switch disconnect.
According to one embodiment of present invention, further, described oil temperature detecting device is temperature sensor, and the position of setting comprises: hydraulic main valve is interior, the return opening of hydraulic reservoir.
Crane hydraulic oil temperature control system of the present invention, method and hoisting crane, can realize the real-time detection of oil temperature, intelligence is also opened in time and stops hydraulic oil radiator work, energy-conservation as far as possible in the situation that, fully hydraulic oil is dispelled the heat, the performance that contributes to promote hydraulic efficiency pressure system, reduces energy dissipation.
Description of the invention provides for example with for the purpose of describing, and is not exhaustively or limit the invention to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is for better explanation principle of the present invention and practical application, thereby and makes those of ordinary skill in the art can understand the present invention's design to be suitable for the various embodiment with various amendments of special-purpose.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is according to the schematic diagram of crane hydraulic oil temperature control system of the present invention embodiment;
Fig. 2 is according to the diagram of circuit of an embodiment of crane hydraulic oil temperature control method of the present invention.
Detailed description of the invention
With reference to the accompanying drawings the present invention is described more fully, exemplary embodiment of the present invention is wherein described.Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1, the invention provides a kind of crane hydraulic oil temperature control system, comprising: oil temperature detecting device 1, control setup 2 and radiator 3.The hydraulic fluid temperature of collection is sent in real time control setup 2 by oil temperature detecting device 1.Control setup 2 is by hydraulic fluid temperature and default oil temperature upper limit threshold and the comparison of oil temperature lower threshold, in the time that hydraulic fluid temperature is greater than oil temperature upper limit threshold, control setup 2 is controlled radiator 3 and is brought into operation, in the time that hydraulic fluid temperature is less than oil temperature lower threshold, it is out of service that control setup 2 is controlled radiator 3.
Crane hydraulic oil temperature control system of the present invention, realizes the real-time detection of oil temperature, and intelligence is also opened in time and stops hydraulic oil radiator work, energy-conservation as far as possible in the situation that, fully hydraulic oil is dispelled the heat.
The temperature value of hydraulic oil can be detected in real time and its value is passed to control setup 2 by oil temperature detecting device 1, compare with being stored in control setup 2 upper limit value and lower limit value of setting according to the value of measuring, when observed reading higher than set higher limit time export control signal by control setup 2 and start working by oil pressure radiator 3; Radiator 3 is worked after a period of time when oil temperature drops to the lower limit of setting, and control setup 2 is exported control signal quits work oil pressure radiator 3.
According to one embodiment of present invention, radiator 3 can adopt polytype radiator, and the driving of radiator can adopt oily horse-controlling to reach or the actuating device such as motor.For example, radiator 3 comprises drive motor 4.The feed circuit of the drive motor 4 of radiator comprise: the first feed circuit and the second feed circuit, and the first feed circuit are made up of power supply 6, control setup 2 and drive motor 4, and the second feed circuit are made up of power supply 6, temperature switch 5 and drive motor 4.
Control setup 2 is controlled the break-make of the first feed circuit, in the time that hydraulic fluid temperature is greater than oil temperature upper limit threshold, the drive motor 4 that control setup 2 is controlled radiator brings into operation, and in the time that hydraulic fluid temperature is less than oil temperature lower limit temperature, it is out of service that control setup 2 is controlled the drive motor 4 of radiator.
According to one embodiment of present invention; temperature switch is a kind of temperature-detecting device of bimetallic plate as temperature-sensing element of using; when electrical equipment is normally worked; bimetallic plate is in free state, and contact is in closure/off-state, in the time that temperature is increased to operating temperature value; bimetallic element is heated and produces internal stress and action rapidly; opened/closed contact, cuts off/connects circuit, thereby play heat protective effect.In the time that temperature drops to the temperature of setting, closed/disconnection automatically, recovers normal working.
Temperature switch 5 is arranged in the parts of hydraulic efficiency pressure system, for example, in main valve, hydraulic reservoir return opening etc., temperature switch 5 closures after the hydraulic fluid temperature in hydraulic efficiency pressure system exceedes certain certain value, after temperature is lower than certain certain value, temperature switch 5 can disconnect automatically, and the characteristic of utilizing temperature switch 5 meetings to carry out break-make switching according to temperature traverse control effectively to radiator 3.
Temperature switch 5 is arranged in the second feed circuit, and when hydraulic fluid temperature is increased to temperature switch closure while exceeding oil temperature threshold value, radiator 3 moves, when hydraulic fluid temperature during lower than oil temperature threshold value temperature switch 5 disconnect, radiator 3 is out of service.This oil temperature threshold value is determined by particular type, the model of the temperature switch of selecting.
According to one embodiment of present invention, control setup 2 and temperature switch 5 can use simultaneously or can arrange and only use one wherein.While use at the same time, temperature switch 5 and oil temperature detecting device 1 can be deployed in the different parts of hydraulic efficiency pressure system.When not using control setup 2 or control setup 2 to lose efficacy, realize the intelligent opening of radiator 3 and close by temperature switch 5, after hydraulic fluid temperature exceedes certain certain value, temperature switch 5 is connected, and radiator 3 is started working; After hydraulic fluid temperature is lower than certain certain value, 5 disconnection radiatores 3 quit work.
According to one embodiment of present invention, in the first feed circuit and the second feed circuit, fuse is all set.Fuse refers in the time that electric current exceedes specified value, and the heat producing with itself makes melt fusing, and a kind of electrical equipment of cut off can be used as the protector of short circuit and excess current
According to one embodiment of present invention, oil temperature detecting device is the sensor that can measure in real time temperature that comprises this class of temperature sensor.Oil temperature detecting device is temperature sensor, and the position of temperature sensor setting comprises: in hydraulic main valve, the return opening of hydraulic reservoir etc.
According to one embodiment of present invention, warning device (not shown in FIG.) is electrically connected with control setup 2.Warning device comprises: voice guard, picture and text display alarm etc., and when hydraulic fluid temperature is greater than oil temperature upper limit threshold or in the time that hydraulic fluid temperature is less than oil temperature lower limit temperature, control setup 2 is controlled warning device and carried out sound, picture and text warning, demonstration etc.
According to one embodiment of the present of invention, the invention provides a kind of hoisting crane, comprise crane hydraulic oil temperature control system as above.
Fig. 2 is according to the diagram of circuit of an embodiment of crane hydraulic oil temperature control method of the present invention, as shown in Figure 2:
Step 101, the hydraulic fluid temperature of collection is sent in real time control setup by oil temperature detecting device.
Step 102, control setup is by hydraulic fluid temperature and default oil temperature upper limit threshold and the comparison of oil temperature lower threshold.
Step 103, in the time that hydraulic fluid temperature is greater than oil temperature upper limit threshold, the drive motor of control setup control radiator brings into operation, and in the time that hydraulic fluid temperature is less than oil temperature lower limit temperature, the drive motor of control setup control radiator is out of service.
Crane hydraulic oil temperature control system of the present invention, method and hoisting crane, can realize the real-time detection of oil temperature, intelligence is also opened in time and stops hydraulic oil radiator work, energy-conservation as far as possible in the situation that, fully hydraulic oil is dispelled the heat, the performance that contributes to promote hydraulic efficiency pressure system, reduces energy dissipation.
May realize in many ways method and system of the present invention.For example, can realize method and system of the present invention by any combination of software, hardware, firmware or software, hardware, firmware.Said sequence for the step of method is only in order to describe, and the step of method of the present invention is not limited to above specifically described order, unless special version otherwise.In addition, in certain embodiments, can be also the program being recorded in recording medium by the invention process, these programs comprise the machine readable instructions for realizing the method according to this invention.Thereby the present invention also covers the recording medium of storing the program for carrying out the method according to this invention.
Claims (10)
1. a crane hydraulic oil temperature control system, is characterized in that, comprising:
Oil temperature detecting device, control setup and radiator;
The hydraulic fluid temperature of collection is sent in real time described control setup by described oil temperature detecting device; Described control setup is by described hydraulic fluid temperature and default oil temperature upper limit threshold and the comparison of oil temperature lower threshold, in the time that described hydraulic fluid temperature is greater than described oil temperature upper limit threshold, described in described control setup control, radiator brings into operation, in the time that described hydraulic fluid temperature is less than described oil temperature lower threshold, radiator is out of service described in described control setup control.
2. the system as claimed in claim 1, is characterized in that:
Described radiator comprises drive motor; The feed circuit of described drive motor comprise: the first feed circuit and the second feed circuit;
The break-make of the first feed circuit described in described control setup control, wherein, in the time that described hydraulic fluid temperature is greater than described oil temperature upper limit threshold, described in described control setup control, drive motor brings into operation, in the time that described hydraulic fluid temperature is less than described oil temperature lower limit temperature, drive motor is out of service described in described control setup control;
Temperature switch is arranged in described the second feed circuit, when temperature switch closure described in hydraulic fluid temperature is increased to while exceeding oil temperature threshold value, when hydraulic fluid temperature during lower than oil temperature threshold value temperature switch disconnect.
3. system as claimed in claim 2, is characterized in that:
In described the first feed circuit and described the second feed circuit, fuse is all set.
4. the system as claimed in claim 1, is characterized in that:
Described oil temperature detecting device is temperature sensor.
5. system as claimed in claim 4, is characterized in that:
The position of described temperature sensor setting comprises: hydraulic main valve is interior, the return opening of hydraulic reservoir.
6. the system as claimed in claim 1, is characterized in that, also comprises:
Warning device; Described warning device is electrically connected with described control setup; Described warning device comprises: voice guard, picture and text display alarm.
7. a hoisting crane, is characterized in that:
Comprise the crane hydraulic oil temperature control system as described in claim 1 to 6 any one.
8. a crane hydraulic oil temperature control method, is characterized in that, comprising:
The hydraulic fluid temperature of collection is sent in real time control setup by oil temperature detecting device;
Described control setup is by described hydraulic fluid temperature and default oil temperature upper limit threshold and the comparison of oil temperature lower threshold;
In the time that described hydraulic fluid temperature is greater than described oil temperature upper limit threshold, described control setup control radiator brings into operation, and in the time that described hydraulic fluid temperature is less than described oil temperature lower limit temperature, described control setup control radiator is out of service.
9. method as claimed in claim 8, is characterized in that:
The feed circuit of the drive motor of radiator comprise: the first feed circuit and the second feed circuit; The break-make of the first feed circuit described in described control setup control; Wherein, in the time that described hydraulic fluid temperature is greater than described oil temperature upper limit threshold, described in described control setup control, the drive motor of radiator brings into operation, and in the time that described hydraulic fluid temperature is less than described oil temperature lower limit temperature, the drive motor of radiator is out of service described in described control setup control;
Set temperature switch in described the second feed circuit, when temperature switch closure described in hydraulic fluid temperature is increased to while exceeding oil temperature threshold value, when hydraulic fluid temperature during lower than oil temperature threshold value temperature switch disconnect.
10. method as claimed in claim 8, is characterized in that:
Described oil temperature detecting device is temperature sensor, and the position of setting comprises: hydraulic main valve is interior, the return opening of hydraulic reservoir.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410346033.1A CN104071698A (en) | 2014-07-18 | 2014-07-18 | Crane hydraulic oil temperature control system, method and crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410346033.1A CN104071698A (en) | 2014-07-18 | 2014-07-18 | Crane hydraulic oil temperature control system, method and crane |
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| CN104071698A true CN104071698A (en) | 2014-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410346033.1A Pending CN104071698A (en) | 2014-07-18 | 2014-07-18 | Crane hydraulic oil temperature control system, method and crane |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104329324A (en) * | 2014-10-29 | 2015-02-04 | 中国重汽集团青岛重工有限公司 | Hot air regeneration management system |
| CN105156405A (en) * | 2015-07-29 | 2015-12-16 | 徐州重型机械有限公司 | Hydraulic oil cooling system, crane and control method for hydraulic oil cooling system |
| CN114105024A (en) * | 2021-10-26 | 2022-03-01 | 甘肃诚信电力科技有限责任公司 | Four-wheel multifunctional tractor and control system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104329324A (en) * | 2014-10-29 | 2015-02-04 | 中国重汽集团青岛重工有限公司 | Hot air regeneration management system |
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| CN114105024A (en) * | 2021-10-26 | 2022-03-01 | 甘肃诚信电力科技有限责任公司 | Four-wheel multifunctional tractor and control system |
| CN114105024B (en) * | 2021-10-26 | 2024-03-12 | 甘肃诚信电力科技有限责任公司 | Four-wheel multifunctional tractor |
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Application publication date: 20141001 |