CN206096969U - Novel constant temperature control system - Google Patents
Novel constant temperature control system Download PDFInfo
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- CN206096969U CN206096969U CN201621121761.3U CN201621121761U CN206096969U CN 206096969 U CN206096969 U CN 206096969U CN 201621121761 U CN201621121761 U CN 201621121761U CN 206096969 U CN206096969 U CN 206096969U
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- compressor
- temperature
- constant temperature
- control system
- control
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Abstract
The utility model discloses a novel constant temperature control system, the system includes: a main controlle, the main control unit electricity is connected in drive controller, the drive controller electricity is connected in a compressor, the delivery outlet of compressor is connected in a flowmeter that is used for measuring the refrigerant velocity of flow to and be used for the thalposis of detection ring border temperature, the thalposis electricity is connected in main control unit, wherein, the compressor through a refrigerant transmission pipeline, the environment of being controlled acts on, main control unit receives the real -time feedback information of thalposis and flowmeter, control drive controller, the real -time refrigerant velocity of flow of adjusting the compression machine to maintain the environment constant temperature. The utility model discloses a novel constant temperature control system, the beneficial effect who compares prior art lie in that it is through the control mode of temperature feedback and refrigerant velocity of flow feedback to avoid single feedback to lead to regulating and control blindness, improved temperature control's accuracy nature greatly, and regulation and control efficiency.
Description
Technical field
This utility model is related to thermostatic control technology field, more particularly to a kind of New Constant Temperature Control System and thermostatic control
Method.
Background technology
In the physical process and chemical reaction of production process, constant temperature laboratory, temperature is often a critically important amount,
Need to be controlled by exactly.In addition to these parts, temperature control system is also widely used for air conditioning system etc., and other are led
Domain, is the class control system having many uses.It is constant or make temperature according to certain that temperature control system is commonly used to keeping temperature
Regulated procedure changes.And existing temperature control system：The control system that only single temperature is realized as feedback information.It is existing to be based on
The temperature control system that coolant media is realized be essentially all using temperature as feedback information, by the power for changing converter,
Increase reduces flow rate, so as to carry out temperature adjustment, control.
Utility model content
The purpose of this utility model is to provide a kind of New Constant Temperature Control System, existing using single temperature for solving
Cause the not high technical problem of control accuracy as feedback.
To reach above-mentioned purpose, the technical scheme that this utility model is proposed is：
A kind of New Constant Temperature Control System of the present utility model, it includes：Master controller, the master controller is electrically connected to
Drive control device, the drive control device is electrically connected to a compressor, and the delivery outlet of the compressor is connected to one for measuring
The effusion meter of refrigerant flow rate, and for detecting the warming of ambient temperature, the warming is electrically connected to master controller, wherein, institute
The compressor stated acts on controlled environment, the master controller reception warming and effusion meter by a coolant transmission pipeline
Real-time feedback information, controls the drive control device, the refrigerant flow rate of real-time regulation compressor, so as to keep Environmental Incubator.
Wherein, the temperature value that described master controller 1 is arranged according to user, actual temperature value calculates cold media mass flow
Amount, and inverse compressor horsepower, so as to reach the purpose of precise control of temperature.
Wherein, described drive control device 2 is the compressor control signal of amplification master controller, enables to drive compression
Machine works
New Constant Temperature Control System disclosed in this utility model, beneficial effect compared to existing technologies is that it leads to
The control mode that excess temperature is fed back and refrigerant flow rate feeds back, so as to avoid single feedback from causing to regulate and control blindness, substantially increases
Temperature controlled accuracy, and regulation and control efficiency.
Description of the drawings
Fig. 1 is the functional block diagram of this utility model New Constant Temperature Control System.
Fig. 2 is the control method flow chart of this utility model constant temperature system.
Specific embodiment
Below with reference to accompanying drawing, give this utility model further elaboration.
Accompanying drawing 1 is referred to, in the present embodiment, this kind of New Constant Temperature Control System, it includes：Master controller 1, the master
Controller 1 is electrically connected to drive control device 2, and the drive control device 2 is electrically connected to a compressor 3, the output of the compressor 3
Mouth is connected to one to be used to measure the effusion meter 4 of refrigerant flow rate, and for detecting the warming 6 of ambient temperature, the warming 6 is electrically connected
Master controller 1 is connected to, wherein, described compressor 3 acts on controlled environment 7, the master by a coolant transmission pipeline 5
Controller 1 receives the real-time feedback information of warming 6 and effusion meter 4, controls the drive control device 2, real-time regulation compressor 3
Refrigerant flow rate, so as to keep Environmental Incubator.
Wherein, the temperature value that described master controller 1 is arranged according to user, actual temperature value calculates cold media mass flow
Amount, and inverse compressor horsepower, so as to reach the purpose of precise control of temperature.
Wherein, described drive control device 2 is the compressor control signal of amplification master controller, enables to drive compression
Machine works
The purpose of the New Constant Temperature Control System work is to make ambient temperature efficiently reach design temperature, and is smoothly tieed up
This temperature is held, the principle of system is the cold needed for by calculating arrival or maintenance established temperature, and by controlling cold medium flux
The corresponding cold of reality output.The course of work is described in following first steps to the 5th step.
Accompanying drawing 2 is referred to, a kind of control method of constant temperature system is also disclosed in the present embodiment, it is comprised the following steps：
First step S1, arranges coolant type, such as R12, R22 etc., coolant caliber D, refers to diameter, the system pipes of refrigerant pipe
Control area S, namely refer to the systematic parameters such as the sectional area of refrigerant pipe, height H, surrounding medium specific heat capacity C, target temperature T0；
Second step S2, by target temperature T0, target volume, the target volume refers to the volume of control area, for example, controls
The temperature in certain room is made, the volume in this room is calculated, and specific heat capacity C calculates total heat dissipation capacity Q0, intended heat total amount
Q1, optimum radiating efficiency W, and corresponding refrigerant flow rate value V：
Q0=S*H*C* | T0-T1 | T1 are current environmental temperature
Radiating efficiency W is system heat dissipation capacity per minute
Q1=0.2*Q0, if W is more than system maximum radiating efficiency Wmax, W=Wmax Q1=2*Wmax
Wx is the radiating efficiency of coolant media unit volume unit flow velocity per minute；
3rd step S3, by monitoring effusion meter, feedback regulation refrigerant flow rate is V0, and every time interval t0 environment temperature is detected
Degree variable quantity T2, estimates current environment caloric value Q2, recalculates total heat dissipation capacity Q0, intended heat total amount Q1, optimum radiating effect
Rate W, and corresponding refrigerant flow rate value V：
Q2=W-S*H*C | T2 |
Q1=0.2*Q0, if W is more than system maximum radiating efficiency Wmax, W=Wmax Q1=2*
Wmax；
4th step S4, when total heat dissipation capacity drops to intended heat amount Q1, starts to successively decrease optimum radiating efficiency every time t1,
And adjust drive control device and synchronously reduce refrigerant flow rate：
Optimum radiating efficiency decrement value
5th step S5, when target temperature T0 is reached, system keeps existing optimum radiating efficiency work, every time t2 inspections
Environmental temperature fluctuation Δ T is surveyed, optimum radiating efficiency W1 is calculated, and feedback regulation drive control device obtains corresponding refrigerant flow rate,
So as to maintain to balance with current environment caloric value Q2, temperature constant state is kept
W1=W+ Δ T*S*H*C
In the present embodiment, wherein, described time interval t0 is 1min.Described time interval t1 is 30s.Described
Time interval t2 is 1min.
The above, preferred embodiment only of the present utility model, is not intended to limit embodiment of the present utility model,
Those of ordinary skill in the art can very easily carry out corresponding accommodation according to central scope of the present utility model and spirit
Or modification, therefore protection domain of the present utility model should be defined by the protection domain required by claims.
Claims (1)
1. a kind of New Constant Temperature Control System, it is characterised in that include：Master controller, the master controller is electrically connected to driving
Controller, the drive control device is electrically connected to a compressor, and the delivery outlet of the compressor is connected to one for measuring coolant
The effusion meter of flow velocity, and for detecting the warming of ambient temperature, the warming is electrically connected to master controller, wherein, it is described
Compressor acts on the real-time of controlled environment, the master controller reception warming and effusion meter by a coolant transmission pipeline
Feedback information, controls the drive control device, the refrigerant flow rate of real-time regulation compressor, so as to keep Environmental Incubator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621121761.3U CN206096969U (en) | 2016-10-13 | 2016-10-13 | Novel constant temperature control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621121761.3U CN206096969U (en) | 2016-10-13 | 2016-10-13 | Novel constant temperature control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206096969U true CN206096969U (en) | 2017-04-12 |
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ID=58483760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621121761.3U Expired - Fee Related CN206096969U (en) | 2016-10-13 | 2016-10-13 | Novel constant temperature control system |
Country Status (1)
| Country | Link |
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| CN (1) | CN206096969U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106339014A (en) * | 2016-10-13 | 2017-01-18 | 深圳市建恒测控股份有限公司 | Novel constant-temperature control system and method |
-
2016
- 2016-10-13 CN CN201621121761.3U patent/CN206096969U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106339014A (en) * | 2016-10-13 | 2017-01-18 | 深圳市建恒测控股份有限公司 | Novel constant-temperature control system and method |
| CN106339014B (en) * | 2016-10-13 | 2019-01-08 | 深圳市建恒测控股份有限公司 | A kind of control method of constant temperature system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170412 Termination date: 20171013 |
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| CF01 | Termination of patent right due to non-payment of annual fee |