CN205372751U - Heat exchange station temperature automatic regulating system - Google Patents
Heat exchange station temperature automatic regulating system Download PDFInfo
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- CN205372751U CN205372751U CN201521075872.0U CN201521075872U CN205372751U CN 205372751 U CN205372751 U CN 205372751U CN 201521075872 U CN201521075872 U CN 201521075872U CN 205372751 U CN205372751 U CN 205372751U
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Abstract
The utility model provides a heat exchange station temperature automatic regulating system, including fuzzy controller, PID controller, once net water supply governing valve, heat exchanger and a temperature sensor, wherein, fuzzy controller's output is connected the input of PID controller, the output of PID controller is connected once net the control end of water supply governing valve, it connects once to net the delivery port of water supply governing valve heat exchanger's water inlet, a temperature sensor output is connected the input of PID controller, the temperature data collection end heat exchanger's water inlet, it supplies water at secondary network to set up promptly inclines. The utility model discloses control secondary pipe -network water supply temperature that can be automatic according to season, outdoor temperature's change is satisfying the user with the hot comfort level while, and heat exchange station unmanned on duty has been realized, temperature automatic control to the effectual energy of having practiced thrift.
Description
Technical field
This utility model relates to heat exchange station, in particular it relates to a kind of heat exchange station temperature automatic adjustment system.
Background technology
Heat exchange station is the important step connecting thermal source and heat user, whole heating system plays very important effect, its major function is to be controlled by by the heating agent that heating network is carried, heat exchange is carried out by heat exchanger, again through secondary network, heat is transported to each heat user, therein it is crucial that secondary network supply water temperature is adjusted, it is ensured that the requirement of user's heat comfort level.
In order to realize being automatically adjusted of heat exchange station secondary network supply water temperature, traditional adjustment system is to adopt intelligent controller to carry out direct temperature regulative mode or temperature-compensating mode, this system is simple, workable, but owing to the area of heating network is big, pipeline distribution is uneven, heating system has bigger thermal inertia, variations in temperature hysteresis quality etc., this humidity control system is it cannot be guaranteed that the equilibrium of heat exchange station heating effect is consistent, sometimes hot and sometimes cold phenomenon occurring, affects the use of user, if there is water conservancy imbalance, wasting a large amount of heat energy.
Utility model content
For defect of the prior art, the purpose of this utility model is to provide a kind of heat exchange station temperature automatic adjustment system.
According to the heat exchange station temperature automatic adjustment system that this utility model provides, supply water regulate valve, heat exchanger and the first temperature sensor including fuzzy controller, PID controller, a secondary net；
Wherein, the outfan of described fuzzy controller connects the input of described PID controller；The described secondary net that connects the outfan of described PID controller supplies water and regulates the control end of valve；
The outlet that a described secondary net water supply regulates valve connects the water inlet of described heat exchanger；Described first temperature sensor outfan connects the input of described PID controller, the water inlet of heat exchanger described in temperature acquisition end, is namely arranged on secondary network water supply side.
Preferably, described PID controller adopts Fuzzy Self-adaptive PID.
Preferably, a described secondary net supplies water and regulates valve employing electromagnetic valve.
Preferably, the second temperature sensor of detection ambient temperature is also included；
Wherein, described second temperature sensor connects the input of described fuzzy controller.
Compared with prior art, this utility model has following beneficial effect:
1, this utility model can control secondary pipe network supply water temperature automatically according to the change in season, outdoor temperature, meeting user's heat comfort level simultaneously, has effectively saved the energy, it is achieved that heat exchange station unmanned, temperature automatic control；
2, in this utility model, first order controller is fuzzy controller, second level controller is Fuzzy Self-adaptive PID, temperature parameter in heat supplying process is carried out Fuzzy processing by two-step evolution device, adjust three parameters of PID controller in real time, the controlled quentity controlled variable of a valve opening is generated again by PID controller, one secondary net electric control valve is controlled such that it is able to realize automatically controlling secondary network supply water temperature.
3, this utility model realizes simple in construction, it is possible to reconstruct in existing water system, it is easy to promote.
Accompanying drawing explanation
By reading detailed description non-limiting example made with reference to the following drawings, other features, objects and advantages of the present utility model will become more apparent upon:
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with specific embodiment, this utility model is described in detail.Following example will assist in those skilled in the art and are further appreciated by this utility model, but do not limit this utility model in any form.It should be pointed out that, to those skilled in the art, without departing from the concept of the premise utility, it is also possible to make some deformation and improvement.These broadly fall into protection domain of the present utility model.
This utility model adopts the method that fuzzy controller and Fuzzy Self-adaptive PID (Fuzzy-adaptive-PID) are in series, structure two-step evolution device system, namely first order controller is fuzzy controller, second level controller is Fuzzy Self-adaptive PID, temperature parameter in heat supplying process is carried out Fuzzy processing by two-step evolution device, adjust three parameters of PID controller in real time, the controlled quentity controlled variable of a valve opening is generated again by PID controller, one secondary net electric control valve is controlled, thus realizing automatically controlling secondary network supply water temperature
In the present embodiment, the heat exchange station temperature automatic adjustment system that this utility model provides, supplies water regulate valve, heat exchanger and the first temperature sensor including fuzzy controller, PID controller, a secondary net；
Wherein, the outfan of described fuzzy controller connects the input of described PID controller；The described secondary net that connects the outfan of described PID controller supplies water and regulates the control end of valve；
The outlet that a described secondary net water supply regulates valve connects the water inlet of described heat exchanger；Described first temperature sensor outfan connects the input of described PID controller, the water inlet of heat exchanger described in temperature acquisition end, is namely arranged on secondary network water supply side.
As one preferred embodiment, described PID controller adopts Fuzzy Self-adaptive PID.
As one preferred embodiment, a described secondary net supplies water and regulates valve employing electromagnetic valve.
As one preferred embodiment, the heat exchange station temperature automatic adjustment system that this utility model provides also includes the second temperature sensor of detection ambient temperature；
Wherein, described second temperature sensor connects the input of described fuzzy controller.
When the heat exchange station temperature automatic adjustment system using this utility model to provide, using outdoor temperature E1 and in a period of time the rate of change EC1 of outdoor temperature as the input of first order fuzzy controller, the control rule table of structure first order fuzzy controller, when different errors and error rate, Self-tuning System principle according to parameter, first order fuzzy controller one secondary network supply water temperature regulated value of output, using the input as Fuzzy Self-adaptive PID of the secondary network supply water temperature regulated value.Adopting temperature sensor to gather secondary network supply water temperature, secondary network supply water temperature value and described secondary water-supply temperature adjustment value compared, the difference of two temperatures is E2, difference rate of change is EC2；Using input as second level fuzzy controller of E2, EC2, the i.e. input of Fuzzy Self-adaptive PID, fuzzy rule is utilized to carry out fuzzy reasoning, it is achieved three parameter (ratio system K to PID controllerP, storage gain constant KI, differential gain constant KD) on line emendation, the output of PID controller controls a secondary net electric control valve valve opening, regulates the heat exchange between a secondary net and secondary network, the dynamic change following the tracks of secondary network supply water temperature, final realization automatically controlling secondary network supply water temperature.
Above specific embodiment of the utility model is described.It is to be appreciated that this utility model is not limited to above-mentioned particular implementation, those skilled in the art can make various deformation or amendment within the scope of the claims, and this has no effect on flesh and blood of the present utility model.
Claims (4)
1. a heat exchange station temperature automatic adjustment system, it is characterised in that include fuzzy controller, PID controller, a secondary net water supply adjustment valve, heat exchanger and the first temperature sensor；
Wherein, the outfan of described fuzzy controller connects the input of described PID controller；The described secondary net that connects the outfan of described PID controller supplies water and regulates the control end of valve；
Described first temperature sensor outfan connects the input of described PID controller, the water inlet of heat exchanger described in temperature acquisition end, is namely arranged on secondary network water supply side.
2. heat exchange station temperature automatic adjustment system according to claim 1, it is characterised in that described PID controller adopts Fuzzy Self-adaptive PID.
3. heat exchange station temperature automatic adjustment system according to claim 1, it is characterised in that a described secondary net supplies water and regulates valve employing electromagnetic valve.
4. heat exchange station temperature automatic adjustment system according to claim 1, it is characterised in that also include the second temperature sensor of detection ambient temperature；
Wherein, described second temperature sensor connects the input of described fuzzy controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521075872.0U CN205372751U (en) | 2015-12-21 | 2015-12-21 | Heat exchange station temperature automatic regulating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521075872.0U CN205372751U (en) | 2015-12-21 | 2015-12-21 | Heat exchange station temperature automatic regulating system |
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| CN205372751U true CN205372751U (en) | 2016-07-06 |
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| CN201521075872.0U Active CN205372751U (en) | 2015-12-21 | 2015-12-21 | Heat exchange station temperature automatic regulating system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106066656A (en) * | 2016-08-16 | 2016-11-02 | 河南柴油机重工有限责任公司 | The temperature control set for adjusting of a kind of heat exchange station automatic control system and method |
| CN106123110A (en) * | 2016-08-16 | 2016-11-16 | 河南柴油机重工有限责任公司 | A kind of heat exchange station automatic control system and method |
| CN109282352A (en) * | 2018-09-25 | 2019-01-29 | 中冶东方工程技术有限公司 | Control method for heat exchange station group |
-
2015
- 2015-12-21 CN CN201521075872.0U patent/CN205372751U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106066656A (en) * | 2016-08-16 | 2016-11-02 | 河南柴油机重工有限责任公司 | The temperature control set for adjusting of a kind of heat exchange station automatic control system and method |
| CN106123110A (en) * | 2016-08-16 | 2016-11-16 | 河南柴油机重工有限责任公司 | A kind of heat exchange station automatic control system and method |
| CN109282352A (en) * | 2018-09-25 | 2019-01-29 | 中冶东方工程技术有限公司 | Control method for heat exchange station group |
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