CN109405284A - A kind of negative pressure oil temperature machine - Google Patents
A kind of negative pressure oil temperature machine Download PDFInfo
- 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
- Authority
- 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
Links
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 238000000926 separation method Methods 0.000 claims abstract description 11
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 4
- 238000001816 cooling Methods 0.000 claims description 8
- 239000000498 cooling water Substances 0.000 claims description 8
- 239000002826 coolant Substances 0.000 claims description 7
- 238000012544 monitoring process Methods 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 3
- 238000010992 reflux Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 5
- 239000003921 oil Substances 0.000 description 102
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H7/00—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release
- F24H7/002—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release using electrical energy supply
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
Landscapes
- 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
[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.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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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 |
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CN201811366153.2A CN109405284A (en) | 2018-11-16 | 2018-11-16 | A kind of negative pressure oil temperature machine |
Publications (1)
Publication Number | Publication Date |
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CN109405284A true CN109405284A (en) | 2019-03-01 |
Family
ID=65473603
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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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)
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)
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 |
-
2018
- 2018-11-16 CN CN201811366153.2A patent/CN109405284A/en active Pending
Patent Citations (5)
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)
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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PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB02 | Change of applicant information |
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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CB02 | Change of applicant information | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190301 |
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RJ01 | Rejection of invention patent application after publication |