CN207178364U - A kind of hydraulic oil temperature control system - Google Patents
A kind of hydraulic oil temperature control system Download PDFInfo
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- CN207178364U CN207178364U CN201721126923.7U CN201721126923U CN207178364U CN 207178364 U CN207178364 U CN 207178364U CN 201721126923 U CN201721126923 U CN 201721126923U CN 207178364 U CN207178364 U CN 207178364U
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- oil temperature
- oil
- adjusting circuit
- compressor
- control system
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Abstract
The utility model provides a kind of hydraulic oil temperature control system, including：Oil inlet end and oil outlet end, the oil inlet end are connected with oil outlet end by evaporator；Compressor, the compressor are connected with evaporator, and the dynamic oil temperature adjusting circuit that the compressor is also in parallel by other two-way is connected to evaporator；Wherein, the first oil temperature adjusting circuit and the second oil temperature adjusting circuit realize dynamic control by PID temperature controllers, first oil temperature adjusting circuit includes pressure switch, condenser, the first magnetic valve, device for drying and filtering, the gas-liquid mixed throttle device being sequentially connected, and the second oil temperature adjusting circuit is provided with second solenoid valve.The utility model can control the start and stop of condensation fan by pressure controller, assist the output of control system refrigerating capacity, while control two magnetic valves staggeredly to act by PID controller, compressor can be made to be in running status all the time, while realize Precise Control of Oil Temperature.
Description
Technical field
It the utility model is related to a kind of hydraulic oil cooling device, and in particular to a kind of hydraulic oil temperature control system.
Background technology
With the continuous improvement of industry 4.0, requirement of the enterprise for parts machining precision is also higher, for the high-precision number of degrees
To control for lathe, hydraulic oil is to be used to cool down lathe cutter head, and stable oil temperature can improve the machining accuracy of lathe, and common
The delay that oil cooling unit at least needs 3 minutes due to the continuous stop and start of compressor in refrigeration system, and the temperature of controller pass
Sensor precision is not high, causes the temperature fluctuation of cooled hydraulic oil larger in use, generally reachable ± 3 DEG C, serious shadow
Ring the machining accuracy to lathe.A kind of utility model of non-frequency high accuracy oil cooling unit, solution is provided for this problem.
Utility model content
The purpose of this utility model is to provide a kind of and hydraulic oil of high-precision numerical control machine matched well cooling air-conditioning system
System, refrigerant uses environment-friendly type working medium R410A, and compressor is traditional invariable frequency compressor, there is 2 magnetic valves in refrigeration system, and one
Individual magnetic valve is positioned between condenser and throttle capillary tube (gas-liquid mixed throttle device), and another is positioned over throttle capillary tube
Between exhaust outlet of compressor, there is a pressure control switch in refrigeration system, for controlling the start and stop of condensation fan, hydraulic pressure
Oil temperature sensor can make Oil-temperature control using the higher PT100 of temperature acquisition precision, total system by PID fuzzy controls
Precision reaches ± 0.5 DEG C.Concrete scheme is：
A kind of hydraulic oil temperature control system, including：
Oil inlet end and oil outlet end, the oil inlet end are connected with oil outlet end by evaporator；
Compressor, the compressor are connected with evaporator, and the dynamic oil that the compressor is also in parallel by other two-way
Warm adjusting circuit is connected to evaporator；
Wherein, the first oil temperature adjusting circuit and the second oil temperature adjusting circuit realize dynamic control by PID temperature controllers, the
One oil temperature adjusting circuit include be sequentially connected pressure switch, condenser, the first magnetic valve, device for drying and filtering, gas-liquid mixed section
Flow device,
Second oil temperature adjusting circuit includes second solenoid valve.
Further, the compressor is the invariable frequency compressor using R410A type refrigerants.
Further, it is provided with oil pump between the oil inlet end and the evaporator.
Further, the first magnetic valve and second solenoid valve is controlled to realize to the first oil temperature adjusting circuit by PID temperature controllers
With the dynamic control of the second oil temperature adjusting circuit.
Further, temperature sensor is provided with the oil inlet end, to provide temperature feedback to PID temperature controllers.
Further, the compressor is connected with evaporator.
Further, air cooling equipment is additionally provided with the first oil temperature adjusting circuit, the both ends of the air cooling equipment are connected on respectively
On first pressure switch and magnetic valve；
The air cooling equipment includes pressure control switch and condensation fan.
The beneficial effects of the utility model are：
1) environment friendly refrigerating fluid R410A is used；
2) start and stop of condensation fan can be controlled by pressure controller, assist the output of control system refrigerating capacity；
3) control two magnetic valves staggeredly to act by PID controller, compressor can be made to be in running status all the time, and
And the staggeredly action of two magnetic valves, the output of refrigerating capacity can be changed, and when oil temperature is less than setting value, pass through compressor
The high temperature refrigerant of discharge is heated to hydraulic oil so that the control accuracy of oil temperature reaches ± 0.5 DEG C.
Brief description of the drawings
, below will be to embodiment or prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
The required accompanying drawing used is briefly described in description, it should be apparent that, drawings in the following description are only that this practicality is new
Some embodiments of type, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of schematic diagram of hydraulic oil temperature control system provided by the utility model.
Embodiment
In the following description, a large amount of concrete details are given more thoroughly to manage the utility model to provide
Solution.It is, however, obvious to a person skilled in the art that the utility model can be without one or more of these thin
Save and be carried out.In other examples, in order to avoid obscuring with the utility model, for more well known in the art
Technical characteristic is not described.
In order to thoroughly understand the utility model, detailed step and detailed structure will be proposed in following description,
To explain the technical solution of the utility model.Preferred embodiment of the present utility model is described in detail as follows, but except these
Outside being described in detail, the utility model can also have other embodiment.
The utility model provides a kind of hydraulic oil temperature control system, shown in reference picture 1, including：
Oil inlet end (being illustrated as oil revolving end) and oil outlet end, the oil inlet end are connected with oil outlet end by evaporator；
Compressor, the compressor are connected with evaporator, and the dynamic oil that the compressor is also in parallel by other two-way
Warm adjusting circuit is connected to evaporator；
Wherein, the first oil temperature adjusting circuit and the second oil temperature adjusting circuit realize dynamic control by PID temperature controllers, the
First pressure switch that one oil temperature adjusting circuit includes being sequentially connected, condenser, the first magnetic valve, device for drying and filtering, gas-liquid are mixed
Throttle device is closed, the second oil temperature adjusting circuit includes second solenoid valve.In utility model, by the electricity of PID temperature controllers control first
Magnet valve and second solenoid valve realize the dynamic control to the first oil temperature adjusting circuit and the second oil temperature adjusting circuit.
In the optional embodiment of the utility model one, the compressor is to determine frequency using R410A environment friendly refrigerating fluids
Compressor.
In the optional embodiment of the utility model one, oil pump is provided between the oil inlet end and the evaporator.
In the optional embodiment of the utility model one, control the first magnetic valve and second solenoid valve real by PID temperature controllers
Now to the dynamic control of the first oil temperature adjusting circuit and the second oil temperature adjusting circuit.
In the optional embodiment of the utility model one, temperature sensor is provided with the oil inlet end, to provide
Temperature feedback is to PID temperature controllers.
In the optional embodiment of the utility model one, the compressor is connected with evaporator.
In the optional embodiment of the utility model one, air cooling equipment, the wind are additionally provided with the first oil temperature adjusting circuit
The both ends of device for cooling are connected on first pressure switch and magnetic valve respectively；
The air cooling equipment includes pressure control switch and blower fan.
Non-frequency high accuracy oil cooling unit provided by the utility model, available in high-precision numerical control machine hydraulic station
Hydraulic oil is cooled down, and non-frequency high accuracy oil cooling unit is divided into two systems, and one is oil piping system, passes through internal system
Hydraulic oil is pumped into oil cooling unit (i.e. evaporator) by variable vane pump (i.e. oil pump) from hydraulic station, by oil cooling unit not
Rust steel plate type heat exchanger cools down to hydraulic oil；Another is refrigeration system, and traditional invariable frequency compressor produces HTHP gas
Body is partly into condenser and condensed, and a part is directly connected to evaporator, the condensation of condenser by magnetic valve
Process is needed to be exchanged heat by condensing axial flow fan, and the start and stop of blower fan are controlled by the pressure controller in system
System, the liquid of the HTHP come out from condenser first passes through the magnetic valve in pipeline, then is set by device for drying and filtering and throttling
Standby throttling enters evaporator into low temperature and low pressure liquid, and enters the high pressure-temperature to come before evaporator and from another magnetic valve
Gas is mixed, and the action of two magnetic valves and the action of pressure controller are by PID fuzzy controllers (i.e. PID
Temperature controller) carry out.In addition, the temperature sensor that is arranged on return line to provide temperature feedback in real time to PID temperature controllers, such as
Fruit inlet oil temperature is too high, and PID temperature controllers control corresponding 2 magnetic valves, more oil is entered by the first oil temperature adjusting circuit
Enter evaporator, realize more preferable cooling；If oil temperature temperature is slightly above preset value, it can be entered by the second oil temperature adjusting circuit and steamed
Device is sent out, air radiating is carried out using pipeline；If oil temperature is less than setting value, compressor can be passed through by closing magnetic valve
The high temperature refrigerant of discharge is heated to hydraulic oil so that the control accuracy of oil temperature reaches ± 0.5 DEG C.
The beneficial effects of the utility model are：
1) environment friendly refrigerating fluid R410A is used；
2) start and stop of condensation fan can be controlled by pressure controller, assist the output of control system refrigerating capacity；
3) control two magnetic valves staggeredly to act by PID controller, compressor can be made to be in running status all the time, and
And the staggeredly action of two magnetic valves, the output of refrigerating capacity can be changed, and when oil temperature is less than setting value, pass through compressor
The high temperature refrigerant of discharge is heated to hydraulic oil so that the control accuracy of oil temperature reaches ± 0.5 DEG C.
Preferred embodiment of the present utility model is described above.It is to be appreciated that the utility model not office
It is limited to above-mentioned particular implementation, wherein the equipment and structure be not described in detail to the greatest extent are construed as using the common side in this area
Formula is practiced；Any those skilled in the art, in the case where not departing from technical solutions of the utility model ambit, all may be used
Technical solutions of the utility model are made with many possible changes and modifications using the methods and technical content of the disclosure above, or is repaiied
The equivalent embodiment of equivalent variations is changed to, this has no effect on substantive content of the present utility model.Therefore, it is every without departing from this practicality
The content of new technique scheme, according to the technical essence of the utility model to any simple modification made for any of the above embodiments, etc.
With change and modification, still fall within technical solutions of the utility model protection in the range of.
Claims (7)
- A kind of 1. hydraulic oil temperature control system, it is characterised in that including：Oil inlet end and oil outlet end, the oil inlet end are connected with oil outlet end by evaporator；Compressor, the compressor are connected with evaporator, and the dynamic oil temperature that the compressor is also in parallel by other two-way is adjusted Nodel line road is connected to evaporator；Wherein, the first oil temperature adjusting circuit and the second oil temperature adjusting circuit realize dynamic control, the first oil by PID temperature controllers Warm adjusting circuit throttles and set including pressure switch, condenser, the first magnetic valve, device for drying and filtering, the gas-liquid mixed being sequentially connected It is standby,Second oil temperature adjusting circuit is provided with second solenoid valve.
- 2. hydraulic oil temperature control system as claimed in claim 1, it is characterised in that the compressor is using R410A types The invariable frequency compressor of refrigerant.
- 3. hydraulic oil temperature control system as claimed in claim 1, it is characterised in that the oil inlet end and the evaporator it Between be provided with oil pump.
- 4. hydraulic oil temperature control system as claimed in claim 1, it is characterised in that the first electromagnetism is controlled by PID temperature controllers Valve and second solenoid valve realize the dynamic control to the first oil temperature adjusting circuit and the second oil temperature adjusting circuit.
- 5. hydraulic oil temperature control system as claimed in claim 1, it is characterised in that be provided with temperature on the oil inlet end Sensor, to provide temperature feedback to PID temperature controllers.
- 6. hydraulic oil temperature control system as claimed in claim 1, it is characterised in that the compressor is connected with evaporator.
- 7. hydraulic oil temperature control system as claimed in claim 1, it is characterised in that be additionally provided with the first oil temperature adjusting circuit Air cooling equipment, the both ends of the air cooling equipment are connected on first pressure switch and magnetic valve respectively；The air cooling equipment includes pressure control switch and condensation fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721126923.7U CN207178364U (en) | 2017-09-04 | 2017-09-04 | A kind of hydraulic oil temperature control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721126923.7U CN207178364U (en) | 2017-09-04 | 2017-09-04 | A kind of hydraulic oil temperature control system |
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| Publication Number | Publication Date |
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| CN207178364U true CN207178364U (en) | 2018-04-03 |
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ID=61742608
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721126923.7U Active CN207178364U (en) | 2017-09-04 | 2017-09-04 | A kind of hydraulic oil temperature control system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112083742A (en) * | 2020-08-31 | 2020-12-15 | 北京京仪自动化装备技术有限公司 | Temperature control device, integrated circuit manufacturing equipment and method |
| CN112503061A (en) * | 2020-11-27 | 2021-03-16 | 浙江盈亿机械股份有限公司 | Oil temperature constant temperature intelligent control system |
| CN112775715A (en) * | 2020-12-22 | 2021-05-11 | 珠海格力智能装备有限公司 | Cooling device and cooling control method |
-
2017
- 2017-09-04 CN CN201721126923.7U patent/CN207178364U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112083742A (en) * | 2020-08-31 | 2020-12-15 | 北京京仪自动化装备技术有限公司 | Temperature control device, integrated circuit manufacturing equipment and method |
| CN112083742B (en) * | 2020-08-31 | 2021-10-26 | 北京京仪自动化装备技术股份有限公司 | Temperature control device, integrated circuit manufacturing equipment and method |
| CN112503061A (en) * | 2020-11-27 | 2021-03-16 | 浙江盈亿机械股份有限公司 | Oil temperature constant temperature intelligent control system |
| CN112775715A (en) * | 2020-12-22 | 2021-05-11 | 珠海格力智能装备有限公司 | Cooling device and cooling control method |
| CN112775715B (en) * | 2020-12-22 | 2022-05-27 | 珠海格力智能装备有限公司 | Cooling device and cooling control method |
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