CN208804890U

CN208804890U - An automatic heating and automatic cooling temperature control system

Info

Publication number: CN208804890U
Application number: CN201821445608.5U
Authority: CN
Inventors: 李积徽
Original assignee: Taijune Boiler Industry Shenzhen Co ltd
Current assignee: Taijune Boiler Industry Shenzhen Co ltd
Priority date: 2018-09-04
Filing date: 2018-09-04
Publication date: 2019-04-30
Anticipated expiration: 2028-09-04

Abstract

The utility model discloses an automatic heating and cooling temperature control system, which comprises a temperature control unit, wherein the temperature control unit comprises a chilled water circulation loop and a heat-conducting oil circulation loop; the temperature sensor PT1 is connected on the heat conduction oil return pipeline; the inlet of the heat conduction oil circulation loop is a valve V041, the outlet of the heat conduction oil circulation loop is a valve V045, and the valve V041 is connected with the use end of the equipment through an oil pump M1; the valve V045 is connected with a proportional two-way valve CV1, and a circulation short circuit loop is connected between the two-way valve CV1 and the valve V044 and between the valve V041 and the oil pump M1; a confluence proportion three-way valve CV2 is connected between the oil pump M1 and the using end of the equipment, the port B is connected with a heat exchanger, the port AB is connected with the using end of the equipment, and the heat exchanger is connected with a chilled water circulation loop. The utility model discloses an adopt two-way valve, confluence proportion three-way valve and heat exchanger to control the flow of conduction oil to cool off with the cooling water, thereby realize the control to the temperature, and entire system's simple structure.

Description

A kind of automatic heating and automatic cooling temperature control system

Technical field

The utility model relates to technical field of temperature control, and in particular to it is a kind of belong to temperature control group equipment it is automatic heating and Automatic cooling temperature control system.

Background technique

Temperature control group is widely used in carrying out temperature regulation to system in the industrial production, including heats and cool down, such as electricity The heating system of pond diaphragm production line, to keep the constant of system temperature.However, current battery diaphragm production line heating system Thermally conductive oil temperature there are unsteady phenomenas.This is because current general technology is thermally conductive by electrodeless proportion expression valve regulated The flow of oil controls temperature, caused by the disadvantage is that just will appear conduction oil biggish stream when electrodeless proportional precision is inadequate Amount fluctuation, to influence the stabilization of temperature, finally causes adverse effect to production process.In addition, traditional temperature control system structure All more complicated, higher cost, this is actually resulted in for some equipment less high to temperature control precision requirement Waste, increases equipment cost.

Utility model content

The technical problem to be solved by the present invention is to provide a kind of structures simply, can be carried out by the flow to conduction oil Control, at the same cooperate chilled water to the conduction oil for entering heat exchanger carry out it is cooling and reach to temperature material be precisely controlled it is automatic Heating and automatic cooling temperature control system.

In order to solve the above technical problems, the utility model adopts the following technical solution: a kind of automatic heating and automatic cooling Temperature control system includes the circulation loop that temperature control group, temperature control group and equipment connect into cooling water using end, is equipped with temperature in temperature control group Spend sensor PT1 and heat exchanger, it is characterised in that: temperature control group includes two groups of circulation loops, and one group is freezing water-flow circuit, Another group is heat transfer oil circulation loop；Heat exchanger accesses in two groups of circulation loops simultaneously, and temperature sensor PT1 connects to be made in equipment On conduction oil oil return line with end conduction oil output end；The import of heat transfer oil circulation loop is valve V041, is exported as valve V045, valve V041 form conduction oil oil inlet pipe using end by oil pump M1 connection equipment；Valve V045 is connected with proportion expression It is thermally conductive where two-port valve CV1, proportion expression two-port valve CV1 connection one valve V044, valve V044 connection temperature sensor PT1 Oily oil return line；Conduction oil oil return line between temperature sensor PT1 and valve V044 picks out a circulation and is shorted circuit, this is followed Conduction oil is formed on the conduction oil oil inlet pipe that ring short circuit circuit is accessed between valve V041 and oil pump M1 continues cycling through knot Structure, and be shorted in circuit in the circulation and be connected to a valve V047；

In oil pump M1 and equipment using interflow ratio triple valve CV2 is connected on the conduction oil oil inlet pipe between end, have There are two imports, i.e. A mouthfuls and B mouthfuls and outlet an AB, A mouth connection the oil pump M1, triple valve CV1 of triple valve CV1 of B mouth connection Heat exchanger, triple valve CV1 AB mouth connection equipment use end, mouth front end A of triple valve CV1 pass through a conduit directly with change Hot device connect to be formed heat exchanger into thermal conductive oil pipeline；Heat exchanger also connect to be formed in heat exchanging device with freezing water-flow circuit Cooling structure；Two-port valve CV1, triple valve CV2, oil pump M1 and temperature sensor PT1 are connected to terminal box and are formed to respective Control structure.

Further, being shorted bridging between circuit in the outlet end of valve V045 and the circulation has a short circuit, should Short circuit is equipped with a hand stop valve V046.

Further, it is respectively equipped on the other hand in equipment using between end and conduction oil oil inlet pipe and conduction oil oil return line Dynamic shut-off valve V042 and hand stop valve V043.

Further, a pressure gauge P01 is respectively provided on the conduction oil oil inlet pipe before and after oil pump M1, behind oil pump M1 Pressure gauge P01 behind be additionally provided with pressure transmitter P02, pressure transmitter P02 is connected to terminal box by signal wire.

Further, filter ST01 is equipped with before oil pump M1.

Further, a pressure transmitter P02, pressure transmission are equipped on the subsequent conduction oil oil return line of valve V045 Device P02 is connected to terminal box by signal wire, to monitor the pressure of conduction oil oil return.

Further, heat exchanger into freezing water end (W.E.) and go out freezing water end (W.E.) be respectively arranged with a hand stop valve V011 and V012。

Firstly, chilled water be followed in heat exchanger always it is bad.

When temperature control group is run, conduction oil enters temperature control group from valve V041, enters equipment hot end, equipment by oil pump M1 After heat, conduction oil returns to temperature control group from valve V043.Temperature sensor PT1 detects temperature and changes, when needing to heat Two-port valve CV1 is opened, while the B mouth of triple valve CV2 closes (A mouthfuls lead to AB), and cold oil goes out temperature control group from valve V045, hot at this time Oil covers temperature control group from valve V041.

When do not need heating when or when overtemperature, two-port valve CV1 close, conduction oil by valve V047 do in follow it is bad, because It is all stable for pressure flow in temperature control group, so hot oil will not cover temperature control group from valve V041 at this time.Triple valve at this time The B mouth of CV2 can be opened, and a part of conduction oil, which passes through into thermal conductive oil pipeline, is directly entered heat exchanger EX-1, then be entered by B mouthfuls Triple valve CV2, another part conduction oil enter triple valve CV2 from A mouthfuls, finally merge in AB mouthfuls of supply arrangements and use end.

, can be fully open manually by the B mouth of triple valve CV2 when needing quickly reduces the conduction oil in temperature control group, A mouthfuls of passes It closes, conduction oil is made directly by entering heat exchanger into thermal conductive oil pipeline, to realize fast cooling.

The utility model designs two-way by using two-port valve, interflow ratio triple valve and heat exchanger based on this Circulation loop cooperates, and controls the flow of conduction oil, and cooled down with cooling water, to realize the control to temperature System achievees the effect that thermally conductive oil temperature is stable, pressure is stable, thus solves to occur in user's production process because oil instability is fixed And the problem for causing product qualification rate low.The structure of whole system is simple, at low cost, is highly suitable to be applied for temperature accuracy Equipment of less demanding.

Detailed description of the invention

Fig. 1 is the utility model catenation principle figure.

Specific embodiment

In the present embodiment, referring to Fig.1, the automatic heating and automatic cooling temperature control system include temperature control group, temperature control group The circulation loop of cooling water is connected into using end with equipment, is equipped with temperature sensor PT1 and heat exchanger EX-1, temperature in temperature control group Control group includes two groups of circulation loops, and one group is freezing water-flow circuit, and another group is heat transfer oil circulation loop；Heat exchanger is simultaneously In two groups of circulation loops, temperature sensor PT1, which connects, uses the conduction oil oil return line of end conduction oil output end in equipment for access On；The import of heat transfer oil circulation loop is valve V041, exports and passes through oil pump M1 connection equipment for valve V045, valve V041 Conduction oil oil inlet pipe is formed using end；Valve V045 is connected with proportion expression two-port valve CV1, proportion expression two-port valve CV1 connection one Valve V044, the conduction oil oil return line where valve V044 connection temperature sensor PT1；Temperature sensor PT1 and valve Conduction oil oil return line between V044 picks out a circulation and is shorted circuit, which is shorted circuit access in valve V041 and oil The structure that continues cycling through of conduction oil is formed on conduction oil oil inlet pipe between pump M1, and is shorted in circuit and is connected in the circulation One valve V047；

Being shorted bridging between circuit in the outlet end of valve V045 and the circulation has a short circuit, on the short circuit Equipped with a hand stop valve V046.

A hand stop valve is respectively installed using between end and conduction oil oil inlet pipe and conduction oil oil return line in equipment V042 and hand stop valve V043.

A pressure gauge P01 is respectively provided on the conduction oil oil inlet pipe before and after oil pump M1, in the subsequent pressure gauge of oil pump M1 Pressure transmitter P02 is additionally provided with behind P01, pressure transmitter P02 is connected to terminal box by signal wire.

Filter ST01 is equipped with before oil pump M1.

A pressure transmitter P02 is equipped on the subsequent conduction oil oil return line of valve V045, pressure transmitter P02 is logical It crosses signal wire and is connected to terminal box, to monitor the pressure of conduction oil oil return.

Heat exchanger is respectively arranged with hand stop valve a V011 and V012 with freezing water end (W.E.) is gone out into freezing water end (W.E.).

Firstly, chilled water be followed in heat exchanger always it is bad.

The utility model is described in detail above, it is described above, only the preferred embodiment of the utility model and , when the utility model practical range cannot be limited, i.e., all according to the made equivalent changes and modifications of the application range, it should still belong to this In utility model covering scope.

Claims

1. an automatic heating and automatic cooling temperature control system, comprising a temperature control group, the temperature control group and the equipment use end are connected into a circulating loop of cooling water, and the temperature control group is provided with a temperature sensor PT1 and a heat exchanger, it is characterized by: It is: the temperature control group includes two sets of circulation loops, one is the chilled water circulation loop, and the other is the heat transfer oil circulation loop; the heat exchanger is connected to the two sets of circulation loops at the same time, and the temperature sensor PT1 is connected to the use end of the equipment to conduct heat. The heat transfer oil return pipeline at the oil output end; the inlet of the heat transfer oil circulation circuit is valve V041, the outlet is valve V045, the valve V041 is connected to the use end of the equipment through the oil pump M1 to form the heat transfer oil oil inlet pipeline; the valve V045 is connected with a proportional two-way valve CV1 , the proportional two-way valve CV1 is connected to a valve V044, and the valve V044 is connected to the heat transfer oil return line where the temperature sensor PT1 is located; the heat transfer oil return line between the temperature sensor PT1 and the valve V044 is connected to a circulating short circuit. The short circuit is connected to the heat transfer oil inlet pipeline between the valve V041 and the oil pump M1 to form a continuous circulation structure of the heat transfer oil, and a valve V047 is connected to the short circuit of the circulation;

A confluent proportional three-way valve CV2 is connected to the heat transfer oil inlet pipeline between the oil pump M1 and the use end of the equipment, which has two inlets, namely A port and B port, and an outlet AB, and the A port of the three-way valve CV1 is connected to the oil pump M1, the B port of the three-way valve CV1 is connected to the heat exchanger, the AB port of the three-way valve CV1 is connected to the use end of the equipment, and the front end of the A port of the three-way valve CV1 is directly connected to the heat exchanger through a conduit to form the inlet of the heat exchanger. The heat transfer oil pipeline; the heat exchanger is also connected with the chilled water circulation loop to form a cooling structure in the heat exchanger; the two-way valve CV1, the three-way valve CV2, the oil pump M1 and the temperature sensor PT1 are all connected to the junction box to form a control structure for their respective .

2. The automatic heating and automatic cooling temperature control system according to claim 1, wherein a short circuit is connected between the outlet end of the valve V045 and the circulating short circuit, and a short circuit is provided on the short circuit. Manual shut-off valve V046.

3. The automatic heating and automatic cooling temperature control system according to claim 1 is characterized in that: a manual cut-off valve V042 and a manual cut-off valve are respectively installed between the equipment use end and the heat-conducting oil inlet pipeline and the heat-conducting oil return pipeline. Valve V043.

4. automatic heating and automatic cooling temperature control system according to claim 1, is characterized in that: each is provided with a pressure gauge P01 on the heat-conducting oil inlet pipeline before and after the oil pump M1, and is also provided with behind the pressure gauge P01 behind the oil pump M1. There is a pressure transmitter P02, which is connected to the junction box through a signal line.

5. The automatic heating and automatic cooling temperature control system according to claim 1, wherein a filter ST01 is provided in front of the oil pump M1.

6. automatic heating and automatic cooling temperature control system according to claim 1 is characterized in that: a pressure transmitter P02 is provided on the heat-conducting oil return pipeline behind the valve V045, and the pressure transmitter P02 is connected to the junction box through a signal line .

7 . The automatic heating and automatic cooling temperature control system according to claim 1 , wherein a manual cut-off valve V011 and V012 are respectively provided at the chilled water inlet end and the chilled water outlet end of the heat exchanger. 8 .