CN202301120U - Radiating control system and engineering machine - Google Patents
Radiating control system and engineering machine Download PDFInfo
- Publication number
- CN202301120U CN202301120U CN2011203805748U CN201120380574U CN202301120U CN 202301120 U CN202301120 U CN 202301120U CN 2011203805748 U CN2011203805748 U CN 2011203805748U CN 201120380574 U CN201120380574 U CN 201120380574U CN 202301120 U CN202301120 U CN 202301120U
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- solenoid valve
- control system
- switch
- fan
- eletromagnetic
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Abstract
The utility model provides a radiating control system and an engineering machine. The radiating control system comprises a hydraulic system and a control system, wherein the hydraulic system comprises an oil tank, an oil pump which is connected with the oil tank, a solenoid valve which is connected with the oil pump and the oil tank, a fan motor which is connected with the solenoid valve and a fan which is connected with the fan motor; the control system is connected with the solenoid valve and controls the solenoid valve to be in the forward break-over state or the reverse break-over state; and hydraulic oil enters the fan motor by the solenoid valve and controls the forward rotation or reversing rotation of the fan. According to the radiating control system, by the reversing rotation of the fan, ash dirt adhered to a radiator can be removed, and a wind direction circulation channel of the radiator is dredged, so that air flow is exchanged effectively to improve the radiating efficiency of an engine.
Description
Technical field
The utility model relates to a kind of cooling control system and uses the engineering machinery of this cooling control system.
Background technique
The engine radiating control system is an important component part of motor, and its important purpose is to guarantee that engine temperature is normal.And mainly be that rotation through fan is discharged to the heat of motor in the air in cooling control system, motor is lowered the temperature timely.
In recent years, the hoister in large tonnage development was rapid, and engine power improves constantly, the also corresponding increase of the heat dissipating capacity of motor.Therefore, require increasingly high to the fan radiating efficiency.Because the radiator of hoister in large tonnage mostly is flat on away on the platen; And the wind direction of fan is that air draught mode is from top to bottom dispelled the heat; Can be after long-time the use at the very thick black dirt of the capable one-tenth of radiator upper surface; Stop the radiator heat-dissipation air channel, have a strong impact on the radiator heat-dissipation ability, even cause the engine high-temperature fault.
Providing a kind of can remove the black dirt on the radiator, improves the cooling control system of radiator heat-dissipation performance, becomes the problem of needing solution badly.
The model utility content
In order to overcome the above-mentioned defective and the deficiency of existing technology; The purpose of the utility model is to provide a kind of cooling control system; Comprise hydraulic system and control system, said hydraulic system comprises fuel tank, the oil pump that is connected with said fuel tank, the solenoid valve that is connected with said oil pump and said fuel tank, the fan motor that is connected with said solenoid valve and the fan that is connected with said fan motor; Said control system is connected with said solenoid valve and controls said solenoid valve and is in forward conduction state or reverse-conducting state, and hydraulic oil gets into said fan motor through said solenoid valve and controls the forward rotation or the backward rotation of said fan.
Preferably, said solenoid valve is three position four-way electromagnetic valve or four position four-way solenoid valves.
Preferably, said hydraulic system also comprises pressure elements, and said oil pump is connected with said solenoid valve through said pressure elements.
Preferably; Said solenoid valve comprises the first eletromagnetic-operating portion and the second eletromagnetic-operating portion; Said control system comprises temperature detect switch (TDS), first relay, first normally closed switch, hand switch, second relay, second normally closed switch, first normal open switch and second normal open switch; Said temperature detect switch (TDS), first relay and this first normally closed switch are serially connected between the both positive and negative polarity of power supply successively; Said hand switch, second relay and second normally closed switch are serially connected between the both positive and negative polarity of said power supply successively; The said first eletromagnetic-operating portion is connected with said power supply through said first normal open switch, and the said second eletromagnetic-operating portion is connected with said power supply through said second normal open switch.
Preferably, said temperature detect switch (TDS) is closed, makes said second normally closed switch disconnection, first normal open switch closure, and it is electric that the said first eletromagnetic-operating portion is got, and then make said solenoid valve be in the forward conduction state; Said hand switch is closed, makes said first normally closed switch disconnection, second normal open switch closure, and it is electric that the said second eletromagnetic-operating portion is got, and then make said solenoid valve be in the reverse-conducting state.
Simultaneously, the utility model provides a kind of engineering machinery of using aforesaid cooling control system.
The backward rotation of this fan can be removed the black dirt that is attached on the radiator, and mediation radiator wind direction circulation passage makes the air-flow exchange more effective, thereby improves engine radiating efficient.
Description of drawings
The hydraulic system structure schematic diagram of the cooling control system that provides for the utility model preferred embodiment shown in Figure 1.
The control system structure principle chart of the cooling control system that provides for the utility model preferred embodiment shown in Figure 2.
Solenoid valve for hydraulic system among Fig. 1 shown in Figure 3 is in the structure principle chart of the state of forward conduction.
Solenoid valve for hydraulic system among Fig. 1 shown in Figure 4 is in the structure principle chart of the state of reverse-conducting.
Embodiment
To combine the Fig. 1 to Fig. 4 in the utility model preferred embodiment below, the technological scheme among the utility model embodiment will be carried out clear, intactly description.
The utility model provides a kind of cooling control system, and it is applied in the engineering machinery such as hoist radiator is dispelled the heat and remove black dirt.This liquid cooling control system is except control fan forward rotation, and it goes back the controlling fan backward rotation removing the black dirt on the radiator, thereby improves the heat dispersion of radiator.This cooling control system comprises hydraulic system and control system, and this control system is used to control this hydraulic system.
See also Fig. 1, this hydraulic system comprises fan 1, fan motor 2, solenoid valve 3, pressure elements 4, oil pump 5 and fuel tank 6.These oil pump 5 one ends are connected with this fuel tank 6, and the other end is connected with this pressure elements 4.This oil pump 5 is used for the hydraulic oil of this fuel tank 6 is delivered in this pressure elements 4.This pressure elements 4 is connected with this solenoid valve 3.This pressure elements 4 is used for this hydraulic system is carried out overvoltage protection.This solenoid valve 3 is a three-position four-way valve, and it is connected with this fan motor 2 and this fuel tank 6.The two ends of this solenoid valve 3 are respectively equipped with the first eletromagnetic-operating portion 31 and the second eletromagnetic-operating portion 32, when the first eletromagnetic-operating portion 31 when electric, this solenoid valve 3 is to first side shifting, when the second eletromagnetic-operating portion 32 when electric, this solenoid valve 3 is to second side shifting.This fan motor 2 is connected with this fan 1, and it is used to control the rotation of this fan 1.Rotate the effect that realization is dispelled the heat to this radiator or removed black dirt forward or backwards through fan 1.
Please combine to consult Fig. 2, this control system comprises temperature detect switch (TDS) 71, first relay 72, first normally closed switch 73, hand switch 81, second relay 82, second normally closed switch 83, first normal open switch 91 and second normal open switch 92.This temperature detect switch (TDS) 71, first relay 72 and this first normally closed switch 73 are serially connected between the both positive and negative polarity of power supply successively.This hand switch 81, second relay 82 and second normally closed switch 83 are serially connected in this power supply successively and are connected.Between this first eletromagnetic-operating portion 31 both positive and negative polarity through this first normal open switch 91 and this power supply.This second eletromagnetic-operating portion 32 is connected with this power supply through this second normal open switch 92.
When the temperature of motor is lower and when need not to open fan 1, this temperature detect switch (TDS) 71 and this hand switch equal 81 are in the state of disconnection, this solenoid valve 3 is in the state that ends.
See also Fig. 3, when temperature is too high, these temperature detect switch (TDS) 71 auto-closings, and then control these first normal open switch, 91 closures, these second normally closed switch, 83 disconnections.This moment this first eletromagnetic-operating portion 31 electric, make this solenoid valve 3 first lateral movements mutually, make this solenoid valve 3 be in the state of forward conduction, the hydraulic oil in the fuel tank 6 flows into these fan motors 2 through this solenoid valve 3, and then drives this fan 1 forward rotation.
See also Fig. 4, when the full black dirt of radiator surface area caused heat dispersion to reduce, operator can be with this hand switch closed 81; And then control these second normal open switch, 92 closures, this first normally closed switch 73 breaks off; This moment, this second eletromagnetic-operating portion 32 must be electric, makes this solenoid valve 3 second lateral movements mutually, makes this solenoid valve 3 be in the state of reverse-conducting; Hydraulic oil in the fuel tank 6 oppositely flows into these fan motors 2 through this solenoid valve 3, and then drives this fan 1 backward rotation.
The backward rotation of this fan 1 can be removed the black dirt that is attached on the radiator, and mediation radiator wind direction circulation passage makes the air-flow exchange more effective, thereby improves engine radiating efficient.
Be appreciated that this pressure elements 4 can omit, this oil pump 5 directly is connected with this solenoid valve 3.
Be appreciated that this solenoid valve 3 is not limited only to three position four-way electromagnetic valve, can adopt the solenoid valve of other types, for example four position four-way solenoid valves etc.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (6)
1. cooling control system; It is characterized in that: comprise hydraulic system and control system, said hydraulic system comprises fuel tank (6), the oil pump (5) that is connected with said fuel tank (6), the solenoid valve (3) that is connected with said oil pump (5) and said fuel tank (6), the fan motor (2) that is connected with said solenoid valve (3) and the fan (1) that is connected with said fan motor (2); Said control system is connected with said solenoid valve (3) and controls said solenoid valve (3) and is in forward conduction state or reverse-conducting state, and hydraulic oil gets into said fan motor (2) through said solenoid valve (3) and controls the forward rotation or the backward rotation of said fan (1).
2. cooling control system according to claim 1 is characterized in that: said solenoid valve (3) is three position four-way electromagnetic valve or four position four-way solenoid valves.
3. cooling control system according to claim 2 is characterized in that: said hydraulic system also comprises pressure elements (4), and said oil pump (5) is connected with said solenoid valve (3) through said pressure elements (4).
4. according to each described cooling control system of claim 1-3; It is characterized in that: said solenoid valve (3) comprises the first eletromagnetic-operating portion (31) and the second eletromagnetic-operating portion (32); Said control system comprises temperature detect switch (TDS) (71), first relay (72), first normally closed switch (73), hand switch (81), second relay (82), second normally closed switch (83), first normal open switch (91) and second normal open switch (92); Said temperature detect switch (TDS) (71), first relay (72) and this first normally closed switch (73) are serially connected between the both positive and negative polarity of power supply successively; Said hand switch (81), second relay (82) and second normally closed switch (83) are serially connected between the both positive and negative polarity of said power supply successively; The said first eletromagnetic-operating portion (31) is connected with said power supply through said first normal open switch (91), and the said second eletromagnetic-operating portion (32) is connected with said power supply through said second normal open switch (92).
5. cooling control system according to claim 4; It is characterized in that: said temperature detect switch (TDS) (71) closure; Make said second normally closed switch (83) disconnection, first normal open switch (91) closure; It is electric that the said first eletromagnetic-operating portion (31) is got, and then make said solenoid valve (3) be in the forward conduction state; Said hand switch (81) closure makes said first normally closed switch (73) disconnection, second normal open switch (92) closure, and it is electric that the said second eletromagnetic-operating portion (32) is got, and then make said solenoid valve (3) be in the reverse-conducting state.
6. an engineering machinery is characterized in that, said engineering machinery comprises like each described cooling control system among the claim 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203805748U CN202301120U (en) | 2011-10-09 | 2011-10-09 | Radiating control system and engineering machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203805748U CN202301120U (en) | 2011-10-09 | 2011-10-09 | Radiating control system and engineering machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202301120U true CN202301120U (en) | 2012-07-04 |
Family
ID=46370029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203805748U Expired - Fee Related CN202301120U (en) | 2011-10-09 | 2011-10-09 | Radiating control system and engineering machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202301120U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351292A (en) * | 2015-12-24 | 2016-02-24 | 中联重科股份有限公司渭南分公司 | Heat dissipation control system and vehicle with same |
| CN108194388A (en) * | 2016-05-04 | 2018-06-22 | 何春晖 | A kind of fan |
| CN111188810A (en) * | 2020-01-14 | 2020-05-22 | 三一汽车起重机械有限公司 | Hydraulic oil circuit and engineering machinery |
| CN113062889A (en) * | 2021-03-23 | 2021-07-02 | 三一重机有限公司 | Heat dissipation system and engineering machinery |
-
2011
- 2011-10-09 CN CN2011203805748U patent/CN202301120U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351292A (en) * | 2015-12-24 | 2016-02-24 | 中联重科股份有限公司渭南分公司 | Heat dissipation control system and vehicle with same |
| CN108194388A (en) * | 2016-05-04 | 2018-06-22 | 何春晖 | A kind of fan |
| CN111188810A (en) * | 2020-01-14 | 2020-05-22 | 三一汽车起重机械有限公司 | Hydraulic oil circuit and engineering machinery |
| CN113062889A (en) * | 2021-03-23 | 2021-07-02 | 三一重机有限公司 | Heat dissipation system and engineering machinery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20151009 |
|
| EXPY | Termination of patent right or utility model |