CN106020268A - Quick-cooling quick-heating automatic switching temperature control system with characteristic of secure and precise control - Google Patents
Quick-cooling quick-heating automatic switching temperature control system with characteristic of secure and precise control Download PDFInfo
- Publication number
- CN106020268A CN106020268A CN201610504574.1A CN201610504574A CN106020268A CN 106020268 A CN106020268 A CN 106020268A CN 201610504574 A CN201610504574 A CN 201610504574A CN 106020268 A CN106020268 A CN 106020268A
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- quick
- pipeline
- cooling
- pneumatic operated
- operated valve
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/1951—Control of temperature characterised by the use of electric means with control of the working time of a temperature controlling device
Abstract
The invention discloses a quick-cooling quick-heating automatic switching temperature control system with the characteristic of secure and precise control. The system comprises an oil outlet pipeline, an oil return pipeline, a cooling circulating system, and a heating circulating system, wherein the cooling circulating system and the heating circulating system are communicated with the oil outlet pipeline and the oil return pipeline by pipes. The cooling circulating system includes an oil cooling box and a first pumping unit; and the heating circulating system consists of an oil heating box and a second pumping unit. A first pneumatic valve and a second pneumatic valve are arranged on the communication pipelines between the cooling circulating system, the oil return pipeline and the oil outlet pipeline; a fourth pneumatic valve and a fifth pneumatic valve are arranged on the communication pipelines between the heating circulating system, the oil return pipeline and the oil outlet pipeline; a third pneumatic valve is arranged on the communication pipeline between the oil cooling box and the first pumping unit; a sixth pneumatic valve is arranged on the communication pipeline between the oil heating box and the second pumping unit; and the oil heating box and the oil cooling box are connected by a pipeline and a seventh pneumatic valve is arranged on the pipeline. According to the invention, opening or closing of the pipeline can be controlled precisely, thereby realizing automatic switching between heating and cooling; and the system security is high.
Description
[technical field]
The invention belongs to technical field of temperature control, particularly relate to the quickly cooling that a kind of safety is precisely controlled
The hot automatic switchover temperature control system of speed.
[background technology]
Temperature controls to apply in modern manufacturing industry extremely wide, such as pharmacy, cosmetics reactor,
Carbon fiber manufactures temperature control field.Wherein, some manufacture course of products need high/low temperature to be switched fast, example
It is switched fast between high temperature 280 DEG C and low temperature 0 DEG C if desired for by temperature, and way of the prior art
Being two equipment of configuration, one for being heated to high temperature by medium from room temperature；Another is then by medium
It is cooled to low temperature from room temperature.But the mode of Artificial Control manual switching valve is needed when switching, or
The whole control system of Artificial Control realizes controlling the switching of valve.The method needs manually persistently to monitor,
Take time and effort；And temperature control precision is low, general error is at 2～4 DEG C, it is difficult to meet client's Production requirement.
Therefore, it is necessary to the quick-cooling and quick-warming automatic switchover temperature control system providing that a kind of new safety is precisely controlled
System solves the problems referred to above.
[summary of the invention]
It is an object of the present invention to provide the quick-cooling and quick-warming automatic switchover temperature that a kind of safety is precisely controlled
Ore-controlling Role, it is possible to being turned on and off of accurate control piper, thus realize automatically carrying out heating and cooling down
Switching, security of system is high.
The present invention is achieved through the following technical solutions above-mentioned purpose: the quickly cooling that a kind of safety is precisely controlled is fast
Hot automatic switchover temperature control system, it include outlet line, return line, respectively with described outlet line
With cooling recirculation system and the heating circulation system of described return line pipeline communication, described cooling circulates
System includes cold oil case, the first pumping, and described heating circulation system includes deep fat case, the second pumping,
Described cooling recirculation system sets on the pipeline connected with described return line, described outlet line respectively
Be equipped with the first pneumatic operated valve, the second pneumatic operated valve, described heating circulation system with described return line, institute
State and be respectively arranged with the 4th pneumatic operated valve, the 5th pneumatic operated valve, described cold on the pipeline of outlet line connection
It is provided with the 3rd pneumatic operated valve, in described deep fat case and institute on the pipeline that fuel tank connects with described first pumping
State and be provided with the 6th pneumatic operated valve on the pipeline of the second pumping connection, described deep fat case and described cold oil case it
Between pipeline connect and on this pipeline, be provided with the 7th pneumatic operated valve.
Further, also include running through described cooling recirculation system and the gas circuit of described heating circulation system
System, described air-channel system and described first pneumatic operated valve, described second pneumatic operated valve, described 3rd pneumatic
Valve, described 4th pneumatic operated valve, described 5th pneumatic operated valve, described 6th pneumatic operated valve and described 7th gas
Dynamic valve pipeline connection.
Further, described cooling recirculation system includes heat exchanger and chiller,
Between described cold oil case and described heat exchanger, between described heat exchanger and described first pumping, institute
State pipeline communication between the first pumping and described cold oil case, form circulation line；
Pipeline communication and formation circulation line between described heat exchanger and described chiller.
Further, described cold oil case and described return line pipeline communication, described first pneumatic operated valve sets
Put on the pipeline that described cold oil case connects with described return line.
Further, described first pumping and described outlet line pipeline communication, described second pneumatic operated valve
It is arranged on the pipeline that described first pumping connects with described outlet line.
Further, described chiller includes air compressor and described air compressor pipeline even
Logical condenser.
Further, described air compressor, described condenser connect with described heat exchanger tube respectively.
Further, described heating circulation system includes adding heat pipe, and described deep fat case adds heat pipe with described
Between, described in add between heat pipe and described second pumping, between described second pumping and described deep fat case
Pipeline communication also forms circulation line.
Further, described deep fat case and described return line pipeline communication, described 4th pneumatic operated valve sets
Put on the pipeline that described deep fat case connects with described return line.
Further, described second pumping and described outlet line pipeline communication, described 5th pneumatic operated valve
It is arranged on the pipeline that described second pumping connects with described outlet line.
Compared with prior art, the quick-cooling and quick-warming automatic switchover temperature control that a kind of safety of the present invention is precisely controlled
Having the beneficial effects that of system: can accurate being turned on and off of control piper, thus realize automatically entering
Row heating and the switching cooled down, security of system is high.Concrete,
1) being run by the first pumping, the first pneumatic operated valve, the second pneumatic operated valve in cooling recirculation system are opened
Open, by air compressor, cooling medium is cooled down, at heat exchanger, carry out heat with heat conduction medium
Amount exchange so that heat conduction medium reaches certain low temperature, enters outlet line, and cooling system is carried out certainly
Circulation；
2) being run by the second pumping, the 4th pneumatic operated valve in heating circulation system, the 5th pneumatic operated valve are opened
Open, by adding heat pipe, heat conduction medium heated, reach certain high-temperature, enter outlet line,
Hot systems carries out self-loopa；
3) according to the demand of client, by cooling recirculation system and the cutting of pneumatic operated valve in heating circulation system
Change, it is achieved the quick automatic switching of the high/low temperature at outlet line, first the heat conduction medium of high temperature is passed
It is passed to client, customer equipment is quickly heated, maintain the time that a few minutes are the most shorter, reach
After the temperature needed for client, import and export operated pneumatic valve and switch over, low temperature heat conduction media transmission is arrived
Client, quickly cools down customer equipment, maintains a few minutes, so circulates, thus realizes fast
The temp. control function of speed high/low temperature switching；
4) deep fat case is connected by pipeline with cold oil case, and the 7th pneumatic operated valve is set on this pipeline,
Realize the release to deep fat case Yu cold tank internal pressure by opening of the 7th pneumatic operated valve with Guan Bi, make
On the one hand ensure that deep fat case and the pressure stability in cold oil case and IGP；On the other hand have
It is beneficial to cooling recirculation system and the smooth circulation of heat conduction medium in heating circulation system.
[accompanying drawing explanation]
Fig. 1 is that the system of the embodiment of the present invention controls schematic diagram；
In figure, numeral represents:
1 outlet line, 11 first thermocouples；2 return lines, 21 first filters, 22 second thermoelectricity
Even；
31 cold oil casees, 311 first liquid-level switches, 312 first pouring orifices, 313 first row hydraulic fluid ports；32 change
Hot device, 321 three thermocouples, 322 second row hydraulic fluid ports；33 first pumpings, 331 first Pressure gauges, 332
4th thermocouple；341 air compressors, 342 condensers, 343 devices for drying and filtering, 35 second filters,
36 second pneumatic operated valves, 37 the 3rd pneumatic operated valves, 38 first pneumatic operated valves, 39 first check-valves；
41 deep fat casees, 411 second liquid-level switches, 412 nitrogen outlets, 413 nitrogen inlets, 4,131 second
Check-valves, 414 second pouring orifices, 415 the 3rd oil drain outs, 416 second Pressure gauges, 417 pressure invertings
Device, 418 relief valve；42 add heat pipe, 421 the 4th oil drain outs, 422 overtemperature prote galvanic couples；43 second pumps
Pu, 431 the 3rd Pressure gauges, 432 the 6th thermocouples；44 the 3rd filters；45 the 5th thermocouples；46
5th pneumatic operated valve；47 the 6th pneumatic operated valves；48 the 4th pneumatic operated valves；49 the 3rd check-valves；
51 blow vents；52 the 4th filters；53 the 3rd Pressure gauges；54 pressure switches；
6 the 7th pneumatic operated valves.
[detailed description of the invention]
Embodiment:
Refer to Fig. 1, the present embodiment is the quick-cooling and quick-warming automatic switchover temperature control system that a kind of safety is precisely controlled
System, it includes outlet line 1, return line 2 and outlet line 1 and return line 2 pipeline communication
Cooling recirculation system and heating circulation system and run through the gas of cooling recirculation system and heating circulation system
Road system.
The first thermocouple 11 it is provided with at outlet line 1.First thermocouple 11 is mainly for detection of from fuel-displaced
The temperature of the heat conduction medium that pipeline 1 is gone out.
It is disposed with first filter the 21, second thermocouple 22 along direction of the traffic at return line 2.The
Two thermocouples 22 predominantly detect the temperature of the heat conduction medium entered from return line 2.
Cooling recirculation system includes cold oil case 31, heat exchanger the 32, first pumping 33 and chiller 34.
Wherein, cold oil case 31 and heat exchanger 32, heat exchanger 32 and first pumping the 33, first pumping 33 and cold oil
Pipeline communication between case 31, forms circulation line；Heat exchanger 32 is formed with chiller 34 pipeline communication
Circulation line.
It is provided with the first liquid-level switch 311 in cold oil case 31, cold oil case 31 is provided with the first pouring orifice
312 and first row hydraulic fluid port 313.The second filtration it is provided with on pipeline between cold oil case 31 and heat exchanger 32
Device 35, and heat exchanger 32 import department is provided with three thermocouple 321, enter by cold oil case 31 for detection
The temperature of the heat conduction medium entered in heat exchanger 32.Cold oil case 31 and return line 2 pipeline communication, and
On the pipeline that cold oil case 31 connects with return line 2 along direction of the traffic be disposed with the first pneumatic operated valve 38,
First check-valves 39.It is provided with second row hydraulic fluid port on pipeline between heat exchanger 32 and the first pumping 33
321, at second row hydraulic fluid port 321, it is provided with ball valve switch.First pumping 33 is with outlet line 1 pipeline even
Logical, and on the pipeline that the first pumping 33 connects, be provided with the second pneumatic operated valve 36 with outlet line 1, the
One pumping 33 exit is once provided with the first Pressure gauge the 331, the 4th thermocouple 332 along direction of the traffic.
4th thermocouple 332 is pumped into the temperature of the heat conduction medium at outlet line 1 for detection the first pumping 33
Degree.The pipeline that first pumping 33 connects with cold oil case 31 is provided with the 3rd pneumatic operated valve 37.Cooling dress
Put 34 condensers 342 including air compressor 341 and air compressor 341 pipeline communication.Air pressure
Contracting machine 341, condenser 342 respectively with heat exchanger 32 pipeline communication.At condenser 342 with heat exchanger 32 even
It is provided with device for drying and filtering 343 on logical pipeline.
Heating circulation system includes deep fat case 41, adds heat pipe the 42, second pumping 43.Wherein, deep fat case
41 with add heat pipe 42 pipeline communication；Add heat pipe 42 and the second pumping 43 pipeline communication；Second pumping 43 with
Deep fat case 41 pipeline even, thus forms circulation line.
Be provided with on deep fat case 41 second liquid-level switch 411, nitrogen outlet 412, nitrogen inlet 413,
Two pouring orifice the 414, the 3rd oil drain out the 415, second Pressure gauges 416, pressure transmitter 417 and safety
Valve 418.The pipeline that nitrogen inlet 413 connects with deep fat case 41 is provided with the second check-valves 4131.
Deep fat case 41 is disposed with the 3rd filter the 44, the 5th thermocouple with adding on the pipeline that heat pipe 42 connects
45, the 4th oil drain out 421, the 5th thermocouple 45 adds in heat pipe 42 for detecting to be entered into by deep fat case 41
The temperature of heat conduction medium.Deep fat case 41 and return line 2 pipeline communication, and in deep fat case 41 and oil return
It is disposed with the 4th pneumatic operated valve the 48, the 3rd check-valves 49 along direction of the traffic on the pipeline of pipeline 2 connection.
It is provided with ball valve switch at 4th oil drain out 421.Add heat pipe 42 and be internally provided with overtemperature prote galvanic couple 421.
Second pumping 43 and outlet line 1 pipeline communication, and the pipe connected with outlet line 1 in the second pumping 43
It is provided with the 5th pneumatic operated valve 46 on road, is once provided with along direction of the traffic in the second pumping 43 exit
3rd Pressure gauge the 431, the 6th thermocouple 432.6th thermocouple 432 pumps for detection the second pumping 43
The temperature of the heat conduction medium at outlet line 1.On the pipeline that the second pumping 43 connects with deep fat case 41
It is provided with the 6th pneumatic operated valve 47.
Cold oil case 31 and deep fat case 41 pipeline communication, and the pipeline connected with deep fat case 41 at cold oil case 31
On be provided with the 7th pneumatic operated valve 6.
Air-channel system includes blow vent the 51, the 4th filter the 52, the 3rd pressure set gradually along pipeline
Table 53 and pressure switch 54.Blow vent 51 and first pneumatic operated valve the 38, second pneumatic operated valve the 36, the 3rd gas
Dynamic valve the 37, the 4th pneumatic operated valve the 48, the 5th pneumatic operated valve the 46, the 6th pneumatic operated valve 47 and the 7th pneumatic operated valve 6 are managed
Road connects.
The quick-cooling and quick-warming automatic switchover temperature control system that a kind of safety of the present embodiment is precisely controlled can be quick
Realizing the mutual automatic switchover of cooling and heating system, and heating is high with cooling effectiveness, temperature controls essence
Degree error can be controlled in ± 1 DEG C；It is capable of in 3min from 30 DEG C, temperature is heated to 280 DEG C, with
Temperature is dropped to 30 DEG C from 280 DEG C in 5min by Shi Shixian；Security performance is high, applied widely.Tool
Body,
1) being run by the first pumping 33, the first pneumatic operated valve 38, second in cooling recirculation system is pneumatic
Valve the 36, the 3rd pneumatic operated valve 37 is opened, and is cooled down by cooling medium by air compressor 341, is changing
Heat exchange is carried out with heat conduction medium so that heat conduction medium reaches certain low temperature, enters at hot device 32
Entering outlet line 1, cooling system carries out self-loopa；
2) being run by the second pumping 43, the 4th pneumatic operated valve the 48, the 5th in heating circulation system is pneumatic
Valve the 46, the 6th pneumatic operated valve 47 is opened, and is heated by heat conduction medium by adding heat pipe 42, reaches certain
High-temperature, enter outlet line 1, hot systems carries out self-loopa；
3) according to the demand of client, by cooling recirculation system and the cutting of pneumatic operated valve in heating circulation system
Change, it is achieved the quick automatic switching of the high/low temperature at outlet line 1, first the heat conduction medium of high temperature is passed
It is passed to client, customer equipment is quickly heated, maintain the time that a few minutes are the most shorter, reach
After the temperature needed for client, import and export operated pneumatic valve and switch over, low temperature heat conduction media transmission is arrived
Client, quickly cools down customer equipment, maintains a few minutes, so circulates, thus realizes fast
The temp. control function of speed high/low temperature switching；
4) deep fat case 41 is connected by pipeline with cold oil case 31, and it is pneumatic to arrange the 7th on this pipeline
Valve 6, is realized deep fat case 41 and cold oil case 31 internal pressure by the unlatching of the 7th pneumatic operated valve 6 and Guan Bi
Release, on the one hand make to ensure that deep fat case 41 and the pressure stability in cold oil case 31 and internal security
Property；On the other hand cooling recirculation system and the smooth circulation of heat conduction medium in heating circulation system are conducive to；
5) by outlet line 1, return line 2, the outlet of cooling recirculation system and heat cycles
The monitoring temperature of heat conduction medium at outlet line, precise control of temperature maintains 0 DEG C of-280 DEG C of arbitrary temperature
Point, it is ensured that the control precision of temperature and stability；
6) in deep fat case 41, nitrogen outlet 412, nitrogen inlet 413 it are provided with, by heat cycles
System is passed through nitrogen, by heat conduction medium and air exclusion, it is therefore prevented that heat conduction medium temp is too high and sends out
Raw Ignition Phenomena；
7) obtained by automatic temperature-adjusting, set and need temperature automatic adjustment switching valve to export with control equipment
High and low temperature, it is achieved automatically control, decrease human cost.
Above-described is only some embodiments of the present invention.For those of ordinary skill in the art
For, without departing from the concept of the premise of the invention, it is also possible to make some deformation and improvement,
These broadly fall into protection scope of the present invention.
Claims (10)
1. the quick-cooling and quick-warming automatic switchover temperature control system that a safety is precisely controlled, it is characterised in that: its
Including outlet line, return line, respectively with described outlet line and described return line pipeline communication
Cooling recirculation system and heating circulation system, described cooling recirculation system includes cold oil case, the first pump
Pu, described heating circulation system includes deep fat case, the second pumping, described cooling recirculation system with institute
State and be respectively arranged with the first pneumatic operated valve, the second gas on the pipeline of return line, the connection of described outlet line
Dynamic valve, described heating circulation system is on the pipeline connected with described return line, described outlet line
It is respectively arranged with the 4th pneumatic operated valve, the 5th pneumatic operated valve, connects with described first pumping at described cold oil case
Pipeline on be provided with the 3rd pneumatic operated valve, on the pipeline that described deep fat case connects with described second pumping
Being provided with the 6th pneumatic operated valve, between described deep fat case with described cold oil case, pipeline is connected and on this pipeline
It is provided with the 7th pneumatic operated valve.
2. quick-cooling and quick-warming quick automatic switching temperature control system as claimed in claim 1, it is characterised in that:
Also include running through described cooling recirculation system and the air-channel system of described heating circulation system, described gas circuit
System and described first pneumatic operated valve, described second pneumatic operated valve, described 3rd pneumatic operated valve, described 4th gas
Dynamic valve, described 5th pneumatic operated valve, described 6th pneumatic operated valve and described 7th pneumatic operated valve pipeline communication.
3. quick-cooling and quick-warming quick automatic switching temperature control system as claimed in claim 1, it is characterised in that:
Described cooling recirculation system includes heat exchanger and chiller,
Between described cold oil case and described heat exchanger, between described heat exchanger and described first pumping, institute
State pipeline communication between the first pumping and described cold oil case, form circulation line；
Pipeline communication and formation circulation line between described heat exchanger and described chiller.
4. quick-cooling and quick-warming quick automatic switching temperature control system as claimed in claim 3, it is characterised in that:
Described cold oil case and described return line pipeline communication, described first pneumatic operated valve is arranged on described cold oil case
On the pipeline connected with described return line.
5. quick-cooling and quick-warming quick automatic switching temperature control system as claimed in claim 3, it is characterised in that:
Described first pumping and described outlet line pipeline communication, described second pneumatic operated valve is arranged on described first
On the pipeline that pumping connects with described outlet line.
6. quick-cooling and quick-warming quick automatic switching temperature control system as claimed in claim 3, it is characterised in that:
Described chiller includes air compressor and the condenser of described air compressor pipeline communication.
7. quick-cooling and quick-warming quick automatic switching temperature control system as claimed in claim 6, it is characterised in that:
Described air compressor, described condenser connect with described heat exchanger tube respectively.
8. quick-cooling and quick-warming quick automatic switching temperature control system as claimed in claim 1, it is characterised in that:
Described heating circulation system includes adding heat pipe, described deep fat case and described add between heat pipe, described heating
Manage pipeline communication being formed between described second pumping, between described second pumping and described deep fat case
Circulation line.
9. quick-cooling and quick-warming quick automatic switching temperature control system as claimed in claim 8, it is characterised in that:
Described deep fat case and described return line pipeline communication, described 4th pneumatic operated valve is arranged on described deep fat case
On the pipeline connected with described return line.
10. quick-cooling and quick-warming quick automatic switching temperature control system as claimed in claim 8, it is characterised in that:
Described second pumping and described outlet line pipeline communication, described 5th pneumatic operated valve is arranged on described second
On the pipeline that pumping connects with described outlet line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610504574.1A CN106020268B (en) | 2016-06-30 | 2016-06-30 | The quick-cooling and quick-warming being precisely controlled safely automatically switches temperature control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610504574.1A CN106020268B (en) | 2016-06-30 | 2016-06-30 | The quick-cooling and quick-warming being precisely controlled safely automatically switches temperature control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106020268A true CN106020268A (en) | 2016-10-12 |
| CN106020268B CN106020268B (en) | 2018-12-04 |
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ID=57105919
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610504574.1A Active CN106020268B (en) | 2016-06-30 | 2016-06-30 | The quick-cooling and quick-warming being precisely controlled safely automatically switches temperature control system |
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| CN108722011A (en) * | 2018-07-16 | 2018-11-02 | 高云芝 | A kind of filter at low temperature equipment |
| CN115122544A (en) * | 2021-03-26 | 2022-09-30 | 汉达精密电子(昆山)有限公司 | Cold and hot switched systems of mould |
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| CN205959092U (en) * | 2016-06-30 | 2017-02-15 | 苏州奥德机械有限公司 | Safe accurate control's quick -cooling and quick -heating automatic switch -over temperature control system |
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| CN108722011A (en) * | 2018-07-16 | 2018-11-02 | 高云芝 | A kind of filter at low temperature equipment |
| CN115122544A (en) * | 2021-03-26 | 2022-09-30 | 汉达精密电子(昆山)有限公司 | Cold and hot switched systems of mould |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106020268B (en) | 2018-12-04 |
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