CN202734051U - Heating pipe network time-share temperature-share control system - Google Patents
Heating pipe network time-share temperature-share control system Download PDFInfo
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- CN202734051U CN202734051U CN 201220255222 CN201220255222U CN202734051U CN 202734051 U CN202734051 U CN 202734051U CN 201220255222 CN201220255222 CN 201220255222 CN 201220255222 U CN201220255222 U CN 201220255222U CN 202734051 U CN202734051 U CN 202734051U
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- indoor temperature
- programmable logic
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Abstract
The utility model provides a heating pipe network time-share temperature-share control system which comprises a plurality of electric adjusting valves and indoor temperature sensors, a programmable logic controller (PLC) and a switching power supply. The indoor temperature sensors are mounted inside a room of a building of a heating area, detection signals collected by the indoor temperature sensors are outputted to the PLC which is a proportion integration differentiation (PID) controller, after temperature collected by the indoor temperature sensors is compared with set temperature through the PID controller, outputted valve opening control signals are connected to each electric adjusting valve. The heating pipe network time-share temperature-share control system has the advantages that due to the arrangement of the electric adjusting valves, the indoor temperature sensors, the PLC and the switching power supply, the defect that stability of indoor temperature is guaranteed by indirectly control of water supply and return temperature in a pipeline is overcome, accuracy of the indoor temperature and heat control can be achieved, and energy conservation to the uttermost is achieved.
Description
Technical field
The utility model relates to detection technique, and particularly a kind of heating network divides the time-division temperature control system.
Background technology
In the heating system of the public buildings such as school, market and office building, because the use function of building is different, required heating temperature is also different.Because service time is different, above-mentioned building is also inconsistent to the requirement of heating period.If do not make any distinction between, heating mode of machine-made employing must increase the heat load of boiler greatly, thereby causes the waste of combustion gas, coal or wet goods primary energy.
At present, for the required different heating temperatures of building and different heating periods, common way is to install electric T-shaped valve additional at water supply line or water return pipeline with heat target, controller is according to the signal that gathers for the temperature sensor of installing on the water return pipeline, regulate the discharge that enters building by electric T-shaped valve, numerical value according to supply and return water temperature is finally controlled indoor temperature, to reach the purpose of energy-saving run.The problem that this kind system exists is: the final control object of heating system is indoor temperature, and by the ducted water temperature indirectly control indoor temperature of control, usually can only come the Fuzzy Design supply and return water temperature according to correlation experience, the mode of heating temperature not only has hysteresis quality in this control room, and the fluctuation of indoor temperature is larger, can not realize accurate in real time control.
The utility model content
The purpose of this utility model is exactly the defects that will overcome prior art, and a kind of height that can accurately control in real time heating object room temperature is provided, and the heating network of good energy-conserving effect divides the time-division temperature control system.
For reaching above-mentioned purpose, the heating network that the utility model provides divides the time-division temperature control system, comprise the some electric control valves that are installed on the boiler room water collector take-off line straight length, also comprise temperature sensor and Programmable Logic Controller and Switching Power Supply, temperature sensor is installed in the Indoor environment of heating area, the detection signal of its collection exports Programmable Logic Controller to, Programmable Logic Controller is a PID controller, and it is connected to each electric control valve with the valve opening control signal that temperature and the set temperature of temperature sensor collection compare rear output.
The utility model heating network divides the time-division temperature control system, and wherein said Switching Power Supply is output as 24V/2.2A.
The utility model heating network divides the time-division temperature control system, and the signal of wherein said sensor collection is 0-20mA or 4-20mA standard industrial process signals.
The utility model heating network divides the time-division temperature control system, and wherein said Programmable Logic Controller is connected with touch-screen display.
The utility model heating network divides the advantage of time-division temperature control system to be: owing to being provided with electric control valve, temperature sensor and Programmable Logic Controller and Switching Power Supply, eliminated by the ducted supply and return water temperature of indirectly control and guaranteed the defective that indoor temperature is stable, accomplish the accuracy of indoor temperature and heat control, realized to a greater extent energy-conservation.
Description of drawings
Fig. 1 is the block diagram that the utility model heating network divides the time-division temperature control system;
Fig. 2 is the wiring diagram that the utility model heating network divides the time-division temperature control system.
The specific embodiment
Describe a kind of heating network of the utility model in detail below in conjunction with accompanying drawing and divide the embodiment of time-division temperature control system.
With reference to Fig. 1, the heating network that the utility model provides divides the time-division temperature control system, comprises some electric control valve V, the temperature sensor TA and Programmable Logic Controller C and the Switching Power Supply Y that are installed on the boiler room water collector take-off line straight length.
Temperature sensor TA is installed in the Indoor environment of heating area, and the detection signal of its collection is 0-20mA or 4-20mA standard industrial process signals, exports Programmable Logic Controller C to.Programmable Logic Controller C is a PID controller, and it is connected to each electric control valve V with the valve opening control signal that temperature and the set temperature of temperature sensor TA collection compare rear output.Programmable Logic Controller C is connected with touch-screen display X.
In conjunction with reference to Fig. 2, Switching Power Supply Y is output as 24V/2.2A, civil power through isolating transformer and Switching Power Supply to system power supply.
The heating network water temperature regulation and control system that uses the utility model to provide, at first, the user sets the desired room temperatures of different periods such as working day, day off and festivals or holidays in what a Heating Season by touch-screen display X, the aperture of desirably controlling electric control valve is arranged by pid algorithm, reach and set the zone and supply the interior accurate room temperature of warm range, then operation control system.Programmable Logic Controller C will pass through according to the temperature that the user sets the aperture of the automatic regulating electric control valve of pid algorithm V, i.e. regulating water flow.Compare according to temperature sensor the TA temperature that feeds back and the temperature that the user arranges simultaneously, if water temperature has reached the temperature that the user sets then has stopped the regulating electric control valve, otherwise the aperture of continuation regulating electric control valve V.Temperature control system generally has the characteristics of large inertia, large time-delay.In Industry Control, be difficult to set up the mathematical models of temperature system, and application simulation or digital pid closed-loop control can overcome hysteresis time response, can obtain preferably control accuracy, reach satisfied control effect.Under the prerequisite that guarantees heating quality, according to the actual conditions in the zone, the characteristics of heat demand, realize that certain regional building of pipe network is within certain specific period, make system be in different Heating States, as: the cold operation of antifreeze state, reduce the thermal losses in this period, simultaneously before exceeding specific time period, recover the normal temperature state, realize that Cell and Time Distribution divides the Energy Saving Control of temperature.
The heating network water temperature regulation and control system that the utility model provides passes through the room temperature of the typical room in the subregion under heating system as the feedback signal of energy-saving controller, both eliminated in the past and guaranteed the defective that indoor temperature is stable by the ducted supply and return water temperature of indirectly control, also accomplish the accuracy of indoor temperature and heat control, realized to a greater extent energy-conservation.
Embodiment recited above is described preferred embodiment of the present utility model, is not that design of the present utility model and scope are limited.Under the prerequisite that does not break away from the utility model design concept; various modification and improvement that this area ordinary person makes the technical solution of the utility model; all should drop into protection domain of the present utility model; the technology contents that the utility model is asked for protection all is documented in claims.
Claims (4)
1. a heating network divides the time-division temperature control system, comprise the some electric control valves (V) that are installed on the boiler room water collector take-off line straight length, it is characterized in that: also comprise temperature sensor (TA) and Programmable Logic Controller (C) and Switching Power Supply (Y), described temperature sensor is installed in the Indoor environment of heating area, the detection signal of its collection exports described Programmable Logic Controller (C) to, described Programmable Logic Controller (C) is a PID controller, and it is connected to each described electric control valve (V) with the valve opening control signal that temperature and the set temperature of described temperature sensor (TA) collection compare rear output.
2. heating network according to claim 1 divides the time-division temperature control system, it is characterized in that: wherein said Switching Power Supply (Y) is output as 24V/2.2A.
3. heating network according to claim 2 divides the time-division temperature control system, it is characterized in that: the signal that wherein said sensor (TA) gathers is 0-20mA or 4-20mA standard industrial process signals.
4. heating network according to claim 3 divides the time-division temperature control system, it is characterized in that: wherein said Programmable Logic Controller (C) is connected with touch-screen display (X).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220255222 CN202734051U (en) | 2012-05-31 | 2012-05-31 | Heating pipe network time-share temperature-share control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220255222 CN202734051U (en) | 2012-05-31 | 2012-05-31 | Heating pipe network time-share temperature-share control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202734051U true CN202734051U (en) | 2013-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220255222 Expired - Lifetime CN202734051U (en) | 2012-05-31 | 2012-05-31 | Heating pipe network time-share temperature-share control system |
Country Status (1)
| Country | Link |
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| CN (1) | CN202734051U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104141982A (en) * | 2014-07-22 | 2014-11-12 | 山西潞安环保能源开发股份有限公司常村煤矿 | Heat supply network heat balance control method and system |
| CN110262600A (en) * | 2019-07-05 | 2019-09-20 | 大连民族大学 | The heating control method on golf course waste heat supply lawn |
| CN112178751A (en) * | 2019-07-04 | 2021-01-05 | 天津天沐环保科技有限公司 | Regulating and controlling method for heat supply pipe network |
-
2012
- 2012-05-31 CN CN 201220255222 patent/CN202734051U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104141982A (en) * | 2014-07-22 | 2014-11-12 | 山西潞安环保能源开发股份有限公司常村煤矿 | Heat supply network heat balance control method and system |
| CN112178751A (en) * | 2019-07-04 | 2021-01-05 | 天津天沐环保科技有限公司 | Regulating and controlling method for heat supply pipe network |
| CN110262600A (en) * | 2019-07-05 | 2019-09-20 | 大连民族大学 | The heating control method on golf course waste heat supply lawn |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130213 |