CN109405284A - A kind of negative pressure oil temperature machine - Google Patents

A kind of negative pressure oil temperature machine Download PDF

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Publication number
CN109405284A
CN109405284A CN201811366153.2A CN201811366153A CN109405284A CN 109405284 A CN109405284 A CN 109405284A CN 201811366153 A CN201811366153 A CN 201811366153A CN 109405284 A CN109405284 A CN 109405284A
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CN
China
Prior art keywords
oil
negative pressure
hot
oil temperature
temperature machine
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
Application number
CN201811366153.2A
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Chinese (zh)
Inventor
廖晓军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SUZHOU AODE MACHINERY CO Ltd
Original Assignee
SUZHOU AODE MACHINERY CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SUZHOU AODE MACHINERY CO Ltd filed Critical SUZHOU AODE MACHINERY CO Ltd
Priority to CN201811366153.2A priority Critical patent/CN109405284A/en
Publication of CN109405284A publication Critical patent/CN109405284A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H7/00Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release
    • F24H7/002Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release using electrical energy supply
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00Details
    • F24H9/18Arrangement or mounting of grates or heating means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00Details
    • F24H9/20Arrangement or mounting of control or safety devices

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)

Abstract

Present invention discloses a kind of negative pressure oil temperature machines, it includes heater, the hot oil efferent duct of connection client device and the heater and formation circulation loop and hot oil return pipe, the gas-liquid separation device being arranged on the hot oil return pipe and circulating pump, the closed oil groove being connected to by exhaust pipe with the gas-liquid separation device, to the vacuum pump and electric cabinet vacuumized in the closed oil groove, negative pressure switch is provided in the closed oil groove, the electric cabinet and the circulating pump, the vacuum pump, the negative pressure switch and the heater are electrically connected.The present invention enables to oil circulating system to recycle under negative pressure state, so that temperature control carrier can work under lower design pressure, improves the safety of hot-oil circulation system operation.

Description

A kind of negative pressure oil temperature machine
[technical field]
The invention belongs to equipment circulating temperature control system technical fields, more particularly to a kind of negative pressure oil temperature machine.
[background technique]
Using very universal in the airborne modern manufacturing industry of oil temperature, in many molds molding industries, for mould in moulding process The temperature of tool has certain requirement, and being connected to thermal oil circulation pipeline by oil temperature machine can satisfy life to mold progress preservation and controlling Production demand.
In the prior art, Patent No. 201720267809.X, 201720303955.3 patent disclose a kind of oil Warm machine, has the disadvantage that
1) hot-oil circulation is to work at normal atmospheric pressure, while oil circulating pump has certain pressure, when mold or is made It can not just work when this pressure unbearable with carrier;
2) hot-oil circulation at work, when pipeline and when using carrier having leakage, since the pressure inside the circulatory system is made With the speed that the high temperature oil leaked out can be very fast is splashed away, and environmental sanitation is on the one hand influenced, and is on the other hand existed tight The security risk of weight.
Therefore, it is necessary to provide the new negative pressure oil temperature machine of one kind to solve the above problems.
[summary of the invention]
It is an object of the present invention to provide a kind of negative pressure oil temperature machines, enable to oil circulating system under negative pressure state It is recycled, so that temperature control carrier can work under lower design pressure, improves hot-oil circulation system fortune Capable safety.
The present invention is achieved through the following technical solutions above-mentioned purpose: a kind of negative pressure oil temperature machine comprising heater, connection visitor The hot oil efferent duct and hot oil return pipe of family end equipment and the heater and formation circulation loop, setting flow back in the hot oil Gas-liquid separation device and circulating pump on pipe, the closed oil groove being connected to by exhaust pipe with the gas-liquid separation device, to described The vacuum pump and electric cabinet vacuumized in closed oil groove is provided with negative pressure switch in the closed oil groove, described automatically controlled Case and the circulating pump, the vacuum pump, the negative pressure switch and the heater are electrically connected.
Further, solenoid valve, the vacuum are provided on the pipeline that the vacuum pump is connected to the closed oil groove Pump is connected to compressed air inlet and is provided on connecting pipeline intake solenoid valve, the solenoid valve, the intake solenoid valve It is electrically connected with the electric cabinet.
Further, liquid-level switch and oiling ball valve, the liquid-level switch and the electricity are provided in the closed oil groove Control case electrical connection.
Further, the first thermocouple and hot oil outlet valve of monitoring oil outlet temperature are provided on the hot oil efferent duct , the second thermocouple and hot oil inlet valve of monitoring returning-oil temperature, first thermoelectricity are provided on the hot oil return pipe Even, described second thermocouple and the electric cabinet are electrically connected.
Further, be provided with heat exchanger on the hot oil return pipe, the negative pressure oil temperature machine further include flow through it is described Heat exchanger carries out the coolant intake pipe and cooling water return pipe that heat exchanges with the hot oil return pipe.
Further, the cooling solenoid valve with electric cabinet electrical connection is provided on the coolant intake pipe.
Further, overtemperture control protective device is provided on the heater.
Further, the closed oil groove is connected to hot oil reflux pipeline and is provided with repairing on connecting pipeline Ball valve.
Further, it is provided with oil discharge outlet on the hot oil return pipe, the oil drain end is provided with oil extraction ball valve.
Further, the compressed air inlet end is provided with air pressure-adjusting valve.
Compared with prior art, a kind of beneficial effect of negative pressure oil temperature machine of the present invention is:
1) temperature control carrier can be enable to carry out under lower design pressure in the state of negative pressure using oil circulating system Work, reduces manufacturing cost;
2) more applying working conditions of oil temperature functional adaptation and using technique are allowed;
3) reduce oil temperature machine pipeline and using carrier leakage and caused by safety problem, effectively prevent hot oil leakage When caused by safety accident generation.
[Detailed description of the invention]
Fig. 1 is the system control schematic diagram of the embodiment of the present invention;
Digital representation in figure:
100 negative pressure oil temperature machines;1 heater;2 hot oil efferent ducts;3 hot oil return pipes;4 gas-liquid separation devices;5 exhaust pipes;6 Closed oil groove;7 vacuum pumps;8 electric cabinets;9 negative pressure switches;10 liquid-level switches;11 oiling ball valves;12 solenoid valves;13 compressed airs Entrance;14 intake solenoid valves;15 circulating pumps;16 first thermocouples;17 hot oil outlet valves;18 second thermocouples;19 hot oils enter Mouth valve;20 first filters;21 heat exchangers;22 coolant intake pipes;23 cooling water return pipes;24 cooling solenoid valves;25 First check-valve;26 second filters;27 pressure gauges;28 repairing ball valves;29 oil discharge outlets.
[specific embodiment]
Embodiment:
Please refer to Fig. 1, the present embodiment is a kind of negative pressure oil temperature machine 100 comprising heater 1, connection client device with The hot oil efferent duct 2 and hot oil return pipe 3 of heater 1 and formation circulation loop, the gas-liquid separation being arranged on hot oil return pipe 3 Device 4 and circulating pump 15, the closed oil groove 6 being connected to by exhaust pipe 5 with gas-liquid separation device 4, to being taken out in closed oil groove 6 The vacuum pump 7 and electric cabinet 8 of vacuum are provided with negative pressure switch 9, liquid-level switch 10 and oiling ball valve 11 in closed oil groove 6, Be provided with solenoid valve 12 on the pipeline that vacuum pump 7 is connected to closed oil groove 6, vacuum pump 7 be connected to compressed air inlet 13 and Intake solenoid valve 14, electric cabinet 8 and circulating pump 15, vacuum pump 7, negative pressure switch 9, liquid-level switch are provided on connecting pipeline 10, intake solenoid valve 14, solenoid valve 12 and heater 1 are electrically connected.
The first thermocouple 16 and hot oil outlet valve 17 of monitoring oil outlet temperature are provided on hot oil efferent duct 2, hot oil returns The second thermocouple 18 and hot oil inlet valve 19 of monitoring returning-oil temperature are provided in flow tube 3.It is additionally provided on hot oil return pipe 3 First filter 20 filters out grease and impurity in hot oil.First thermocouple 16, the second thermocouple 18 and electric cabinet 8 are electrical Connection.
Heat exchanger 21 is provided on hot oil return pipe 3, the present embodiment further includes flowing through heat exchanger 21 and hot oil reflux Pipe 3 carries out the coolant intake pipe 22 and cooling water return pipe 23 of heat exchange.Cooling electricity is provided on coolant intake pipe 22 Magnet valve 24, by the input for opening or closing control cooling water of cooling solenoid valve 24, to realize in hot oil circulating pipeline The cooling function of water temperature.Cooling solenoid valve 24 is electrically connected with electric cabinet 8.First check-valve is provided on cooling water return pipe 23 25, anti-backflow.The second filter 26 is provided on coolant intake pipe 22.When the first thermocouple 16 monitors hot oil output temperature When spending high, then cooling solenoid valve 24 can be opened by electric cabinet 8, by cooling water recirculation system in hot oil return pipe 3 Hot oil cools down.When the first thermocouple 16 monitors that hot oil output temperature is too low, then heater 1 is controlled by electric cabinet 8 Improve heating temperature.
Overtemperture control protective device is provided on the heater 1.It is big that monitoring overpressure is provided on hot oil efferent duct 2 Small pressure gauge 27.
Closed oil groove 6 is connected to 3 pipeline of hot oil return pipe and is provided with repairing ball valve 28 on connecting pipeline.When being When system failure needs repairing, by closing repairing ball valve 28, maintenance efficiency can be improved to avoid the oil discharge in closed oil groove 6, Reduce maintenance cost.
Oil discharge outlet 29 is provided on hot oil return pipe 3,29 end of oil discharge outlet is provided with oil extraction ball valve (not identifying in figure).
13 end of compressed air inlet is provided with air pressure-adjusting valve (not identifying in figure).
During hot-oil circulation, the air separation in hot oil is gone out using hot oil self gravity at gas-liquid separation device 4 Come, and be drained into closed oil groove 6 by exhaust pipe 5, finally taken away by vacuum pump 7, ensures that hot-oil circulation system is in always Negative pressure operating status.
The working principle of the present embodiment negative pressure oil temperature machine 100 are as follows:
1) it opens and is carried out after adding conduction oil, the monitoring conduction oil of liquid-level switch 10 to be added to suitable liquid level by oiling ball valve 11, closed Close oiling ball valve 11;
2) pressure in closed oil groove 6 is detected according to the negative pressure switch 9 on closed oil groove 6, air inlet is opened in the control of electric cabinet 8 Solenoid valve 14 and solenoid valve 12, starting vacuum pump 7 carry out vacuuming action;
3) when closed oil groove 6 reaches under negative pressure state, oil temperature machine can be worked normally;Oil circulating system is just in negative pressure in this way It works under state;When negative pressure switch 9 monitors that the air pressure in closed oil groove 6 is more than setting value, then vacuum pump 7 starts It is vacuumized, ensures that hot-oil circulation system is in negative pressure operating status.
The beneficial effect of the present embodiment negative pressure oil temperature machine 100 is:
1) temperature control carrier can be enable to carry out under lower design pressure in the state of negative pressure using oil circulating system Work, reduces manufacturing cost;
2) more applying working conditions of oil temperature functional adaptation and using technique are allowed;
3) reduce oil temperature machine pipeline and using carrier leakage and caused by safety problem, effectively prevent hot oil leakage When caused by safety accident generation.
Above-described is only some embodiments of the present invention.For those of ordinary skill in the art, not Under the premise of being detached from the invention design, various modifications and improvements can be made, these belong to protection model of the invention It encloses.

Claims (10)

1. a kind of negative pressure oil temperature machine, it is characterised in that: it includes heater, connection client device and the heater and formation The hot oil efferent duct and hot oil return pipe of circulation loop, the gas-liquid separation device being arranged on the hot oil return pipe and circulation It is pump, the closed oil groove being connected to by exhaust pipe with the gas-liquid separation device, true to being vacuumized in the closed oil groove Sky pumps and electric cabinet, and negative pressure switch, the electric cabinet and the circulating pump, the vacuum are provided in the closed oil groove Pump, the negative pressure switch and heater electrical connection.
2. negative pressure oil temperature machine as described in claim 1, it is characterised in that: be connected in the vacuum pump with the closed oil groove Solenoid valve is provided on pipeline, the vacuum pump is connected to compressed air inlet and is provided with air inlet electromagnetism on connecting pipeline Valve, the solenoid valve, the intake solenoid valve and the electric cabinet are electrically connected.
3. negative pressure oil temperature machine as described in claim 1, it is characterised in that: be provided with liquid-level switch and note in the closed oil groove Oily ball valve, the liquid-level switch and the electric cabinet are electrically connected.
4. negative pressure oil temperature machine as described in claim 1, it is characterised in that: be provided on the hot oil efferent duct and detect oil temperature The first thermocouple and hot oil outlet valve of degree, be provided on the hot oil return pipe monitoring returning-oil temperature the second thermocouple and Hot oil inlet valve, first thermocouple, second thermocouple and the electric cabinet are electrically connected.
5. negative pressure oil temperature machine as described in claim 1, it is characterised in that: it is provided with heat exchanger on the hot oil return pipe, The negative pressure oil temperature machine further includes flowing through the heat exchanger to carry out the cooling water input that heat exchanges with the hot oil return pipe Pipe and cooling water return pipe.
6. negative pressure oil temperature machine as claimed in claim 5, it is characterised in that: be provided on the coolant intake pipe and the electricity Control the cooling solenoid valve of case electrical connection.
7. negative pressure oil temperature machine as described in claim 1, it is characterised in that: be provided with overtemperture control protection dress on the heater It sets.
8. negative pressure oil temperature machine as described in claim 1, it is characterised in that: the closed oil groove and hot oil reflux pipeline It is connected to and is provided with repairing ball valve on connecting pipeline.
9. negative pressure oil temperature machine as described in claim 1, it is characterised in that: be provided with oil discharge outlet on the hot oil return pipe, institute It states oil drain end and is provided with oil extraction ball valve.
10. negative pressure oil temperature machine as described in claim 1, it is characterised in that: the compressed air inlet end is provided with air tune Pressure valve.
CN201811366153.2A 2018-11-16 2018-11-16 A kind of negative pressure oil temperature machine Pending CN109405284A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811366153.2A CN109405284A (en) 2018-11-16 2018-11-16 A kind of negative pressure oil temperature machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811366153.2A CN109405284A (en) 2018-11-16 2018-11-16 A kind of negative pressure oil temperature machine

Publications (1)

Publication Number Publication Date
CN109405284A true CN109405284A (en) 2019-03-01

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CN201811366153.2A Pending CN109405284A (en) 2018-11-16 2018-11-16 A kind of negative pressure oil temperature machine

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110542210A (en) * 2019-09-12 2019-12-06 苏州奥德机械有限公司 Ultra-high temperature oil temperature machine with cooling control
CN112762659A (en) * 2020-12-21 2021-05-07 南京欧能机械有限公司 Quick-cooling and quick-heating constant-temperature oil circulation control machine

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102155409A (en) * 2011-05-27 2011-08-17 南通金坤机械设备有限公司 Air-cooled rotary-vane vacuum pump with oil temperature control system and oil temperature control method thereof
CN202204173U (en) * 2011-07-28 2012-04-25 杭州卡塞尔机械有限公司 Closed-type negative-pressure circulating temperature control system
RU2522280C1 (en) * 2013-05-06 2014-07-10 Открытое акционерное общество "АВИАЦИОННЫЕ РЕДУКТОРА И ТРАНСМИССИИ - ПЕРМСКИЕ МОТОРЫ" (ОАО "Редуктор-ПМ") Test bench
CN206683224U (en) * 2017-03-20 2017-11-28 南京欧能机械有限公司 180 DEG C of oil temperature machines
CN209763483U (en) * 2018-11-16 2019-12-10 苏州奥德机械有限公司 negative pressure oil temperature machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102155409A (en) * 2011-05-27 2011-08-17 南通金坤机械设备有限公司 Air-cooled rotary-vane vacuum pump with oil temperature control system and oil temperature control method thereof
CN202204173U (en) * 2011-07-28 2012-04-25 杭州卡塞尔机械有限公司 Closed-type negative-pressure circulating temperature control system
RU2522280C1 (en) * 2013-05-06 2014-07-10 Открытое акционерное общество "АВИАЦИОННЫЕ РЕДУКТОРА И ТРАНСМИССИИ - ПЕРМСКИЕ МОТОРЫ" (ОАО "Редуктор-ПМ") Test bench
CN206683224U (en) * 2017-03-20 2017-11-28 南京欧能机械有限公司 180 DEG C of oil temperature machines
CN209763483U (en) * 2018-11-16 2019-12-10 苏州奥德机械有限公司 negative pressure oil temperature machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110542210A (en) * 2019-09-12 2019-12-06 苏州奥德机械有限公司 Ultra-high temperature oil temperature machine with cooling control
CN112762659A (en) * 2020-12-21 2021-05-07 南京欧能机械有限公司 Quick-cooling and quick-heating constant-temperature oil circulation control machine

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Address after: Room 3 and 4, 228 Wulian Road, Yushan Town, Kunshan City, Suzhou City, Jiangsu Province

Applicant after: Suzhou Aode high end equipment Co.,Ltd.

Address before: Room 3 and 4, 228 Wulian Road, Yushan Town, Kunshan City, Suzhou City, Jiangsu Province

Applicant before: SUZHOU AODE MACHINERY Co.,Ltd.

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Application publication date: 20190301

RJ01 Rejection of invention patent application after publication