CN104076797B - Climate compensator - Google Patents
Climate compensator Download PDFInfo
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- CN104076797B CN104076797B CN201410321872.8A CN201410321872A CN104076797B CN 104076797 B CN104076797 B CN 104076797B CN 201410321872 A CN201410321872 A CN 201410321872A CN 104076797 B CN104076797 B CN 104076797B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention discloses a climate compensator. The climate compensator comprises a control chip, a DC24V switching power supply, a DC-DC conversion circuit, a touch screen, an RS232 communication circuit, an RS 485 communication circuit, a linear isolation analog input circuit, a real-time clock (RTC) circuit, an analog input circuit and a PWM analog output circuit, wherein the input end of the DC-DC conversion circuit is connected with the output end of the DC24V switching power supply, the DC-DC conversion circuit provides a direct-current power supply, the touch screen is connected with the control chip through the RS232 communication circuit, and the RS 485 communication circuit, the linear isolation analog input circuit, the RTC circuit, the analog input circuit and the PWM analog output circuit are all connected with the control chip. The purpose of adjusting supply and demand balance between heat source output and heating user loads is achieved.
Description
Technical field
The present invention relates to electronic circuit field, in particular it relates to a kind of climate compensator.
Background technology
Heat supply heating, is to safeguard the necessary requirement that the Northeast's winter production, life Activities run well, the vital interests of the numerous residents of relation and the overall situation of social stability.When existing workman's system supply hot water hard to carry on, new and old transition is at the early-stage, how to improve energy-saving horizontal and heating efficiency is governments at all levels and the major issue for heat unit institute general concern.Existing heat transfer type is that heat power equipment is chronically under low load condition operation, because during heat power equipment type selecting, it is according to selected in the case of the maximum heating load under the conditions of cold weather, heat power equipment can not regulate the thermal output of self at any time, boiler heat supplying is caused to be much larger than actual demand, building user room superheating phenomenon is very universal, causes huge energy waste.
Summary of the invention
It is an object of the invention to, for the problems referred to above, propose a kind of climate compensator, to realize the advantage of the equilibrium of supply and demand between regulation thermal source output and heating customer charge.
For achieving the above object, the technical solution used in the present invention is:
A kind of climate compensator, including control chip, DC24V Switching Power Supply, DC-DC conversion circuit, touch screen, RS232 telecommunication circuit, RS485 telecommunication circuit, linear isolation simulated measurement input circuit, RTC real time clock circuit, simulated measurement input circuit and PWM analogue quantity output circuit, the input of described DC-DC conversion circuit is connected with the outfan of DC24V Switching Power Supply, this DC-DC conversion circuit provides DC source, described touch screen is connected with control chip by RS232 telecommunication circuit, described RS485 telecommunication circuit, linear isolation simulated measurement input circuit, RTC real time clock circuit, simulated measurement input circuit and PWM analogue quantity output circuit are all connected with control chip.
Preferably, described RS485 telecommunication circuit is 4 tunnels, and described simulated measurement input circuit is 4 tunnels, and described linear isolation simulated measurement input circuit is 5 tunnels, and described PWM analogue quantity output circuit is 3 tunnels.
Preferably, described DC-DC change is changed circuit and is included 24V-5V translation circuit and 24V-3.3V translation circuit.
nullPreferably，Described 24V-5V translation circuit includes TPS54331 chip，Series voltage stabilizing diode D2 and adjustable resistance on the input VIN pin of this TPS54331 chip，The negative electrode of described Zener diode D2 is connected with adjustable resistance，And series voltage stabilizing diode D3 between the input VIN pin of this TPS54331 chip and ground，The negative electrode of this Zener diode D3 is connected with the VIN pin of TPS54331 chip，And the two ends of Zener diode D3 shunt capacitance C5 respectively、The series circuit of electric capacity C4 and resistance R2 and resistance R4 composition，The outfan PH pin of described TPS54331 chip is connected with one end of inductance L1，And series voltage stabilizing diode D1 between node and the ground between inductance L1 and PH pin，The anode series of this Zener diode D1 couples ground，The circuit that electric capacity C2 and electric capacity C3 composes in parallel is connected with the other end of inductance L1.
Preferably, described simulated measurement input circuit includes HCNR201 chip, transport and placing device U4 is connected on the input of HCNR201 chip, series diode circuit D6 between the inverting input of this transport and placing device U4 and ground, this diode circuit D6 includes two diodes, the anode of the negative electrode of one of them diode and another diode connects, and also series capacitance C20 between the inverting input of this transport and placing device U4 and ground, and electric capacity C21 and resistance R15 is in parallel respectively at electric capacity C20.
Technical scheme has the advantages that
Technical scheme, can accurately, timely to supply water temperature be adjusted by a kind of climate compensator of design, climate compensator is arranged on boiler room, heat exchange station or heat-transformation unit, thermal source output can be made dynamically to regulate according to the change of outdoor temperature and heating supply and return water temperature, realize by demand heat supply, avoid the phenomenon occurring user's room temperature too high, energy consumption is caused to increase, the most important thing is, the room temperature of different time sections can be set according to user's request, according to the curve setting of different periods, automatically adjust heating output level.To reach to regulate the purpose of the equilibrium of supply and demand between thermal source output and heating customer charge.
Below by drawings and Examples, technical scheme is described in further detail.
Accompanying drawing explanation
Fig. 1 is the climate compensator described in the embodiment of the present invention and its theory diagram used；
Fig. 2 is the organigram of the heating system of the climate compensator composition described in the embodiment of the present invention；
Fig. 3 to Fig. 5 is the electronic circuitry of the control chip of the climate compensator described in the embodiment of the present invention；
Fig. 6 to Fig. 9 is the DC-DC conversion circuit electronic circuitry of the climate compensator described in the embodiment of the present invention；
Figure 10 to Figure 13 is the simulated measurement input circuit electronic circuitry of the climate compensator described in the embodiment of the present invention；
Figure 14 to Figure 18 is the linear isolation simulated measurement input circuit electronic circuitry of the climate compensator described in the embodiment of the present invention；
Figure 19 is the electronic circuitry of JTAG program downloads circuit in the climate compensator described in the embodiment of the present invention；
Figure 20 is the electronic circuitry of PDI circuit in the climate compensator described in the embodiment of the present invention；
Figure 21 is the electronic circuitry of eeprom circuit in the climate compensator described in the embodiment of the present invention；
Figure 22 is the electronic circuitry of RTC real time clock circuit in the climate compensator described in the embodiment of the present invention；
Figure 23 to Figure 24 is the electronic circuitry of RS485 telecommunication circuit in the climate compensator described in the embodiment of the present invention；
Figure 25 is the electronic circuitry of RS232 telecommunication circuit in the climate compensator described in the embodiment of the present invention；
Figure 26 to Figure 29 is the electronic circuitry of the climate compensator PWM analogue quantity output circuit described in the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are illustrated, it will be appreciated that preferred embodiment described herein is merely to illustrate and explains the present invention, is not intended to limit the present invention.
As shown in Figure 1, a kind of climate compensator, including control chip, DC24V Switching Power Supply, DC-DC conversion circuit, touch screen, RS232 telecommunication circuit, RS485 telecommunication circuit, linear isolation simulated measurement input circuit, RTC real time clock circuit, simulated measurement input circuit and PWM analogue quantity output circuit, the input of DC-DC conversion circuit is connected with the outfan of DC24V Switching Power Supply, this DC-DC conversion circuit provides DC source, touch screen is connected with control chip by RS232 telecommunication circuit, RS485 telecommunication circuit, linear isolation simulated measurement input circuit, RTC real time clock circuit, simulated measurement input circuit and PWM analogue quantity output circuit are all connected with control chip.
Preferably, RS485 telecommunication circuit is 4 tunnels, and simulated measurement input circuit is 4 tunnels, and linear isolation simulated measurement input circuit is 5 tunnels, and PWM analogue quantity output circuit is 3 tunnels.
Preferably, DC-DC change is changed circuit and is included 24V-5V translation circuit and 24V-3.3V translation circuit.
nullPreferably，24V-5V translation circuit includes TPS54331 chip，Series voltage stabilizing diode D2 and adjustable resistance on the input VIN pin of this TPS54331 chip，The negative electrode of Zener diode D2 is connected with adjustable resistance，And series voltage stabilizing diode D3 between the input VIN pin of this TPS54331 chip and ground，The negative electrode of this Zener diode D3 is connected with the VIN pin of TPS54331 chip，And the two ends of Zener diode D3 shunt capacitance C5 respectively、The series circuit of electric capacity C4 and resistance R2 and resistance R4 composition，The outfan PH pin of TPS54331 chip is connected with one end of inductance L1，And series voltage stabilizing diode D1 between node and the ground between inductance L1 and PH pin，The anode series of this Zener diode D1 couples ground，The circuit that electric capacity C2 and electric capacity C3 composes in parallel is connected with the other end of inductance L1.
Preferably, simulated measurement input circuit includes HCNR201 chip, transport and placing device U4 is connected on the input of HCNR201 chip, series diode circuit D6 between the inverting input of this transport and placing device U4 and ground, this diode circuit D6 includes two diodes, the anode of the negative electrode of one of them diode and another diode connects, and also series capacitance C20 between the inverting input of this transport and placing device U4 and ground, and electric capacity C21 and resistance R15 is in parallel respectively at electric capacity C20.HCNR201 chip is High Linear analog photoelectricity bonder.Linear optical coupling separation principle and common optical coupler do not have difference, simply the single-shot list of common optical coupler are received pattern and change a little, increase the light for feedback and accept circuit for feeding back.Although it is all nonlinear that two light accept circuit, but what two light nonlinear characteristic of accepting circuit was just as, it is possible to by non-linear the non-linear of through path of offsetting of feedback network, thus reach to realize the purpose of linear isolation.
And RTC real time clock circuit uses RX8025 chip, electric capacity C37, electric capacity C34, diode D11, diode D13, resistance R43 and resistance R44 is connected respectively on RX8025 chip, and the negative electrode of diode D11 is connected with one end of electric capacity C34, the negative electrode of diode D13 is connected with one end of electric capacity C37, and resistance R43 and resistance R44 connects respectively at the anode of diode D13.
Switching Power Supply is powered for a whole set of control unit.Simulated measurement input circuit gathers a secondary net and secondary network supply and return water temperature, outdoor temperature humidity, remote electric regulation valve and circulating pump feedback signal, PWM analogue quantity output circuit controls remote electric regulation valve and the output of circulating pump signal, controller gathers a secondary net and secondary network pressure data by RS485 telecommunication circuit and passes to man machine interface by RS232 telecommunication circuit, in order to the overall data that building heat is shown and controls by man machine interface.
Its control strategy is all completed by controller, and man machine interface can show the setting of real time data, local operation, parameter, real-time curve, history curve and report query function.
The design of climate compensator is that the Technics Process Automation relevant with weather is compensated corresponding regulated quantity, reaches purpose that is energy-conservation or that improve product quality.
It is illustrated in figure 2 the heating system utilizing climate compensator disclosed in technical solution of the present invention to set up, in the heating system using heat death theory, effectively utilize freely heat, according to the actual demand of indoor heating, the heating load of heating system is effectively regulated, is beneficial to the energy-conservation of heat supply.Climate compensator can be according to the variations in temperature of outdoor climate, the indoor temperature requirement of the different time sections that user sets, according to the curve automatic controlling water supplying temperature set, it is achieved the automatic climate of heating system supply water temperature outdoor temperature compensates；It can in addition contain by indoor temperature transmitter, regulate supply water temperature according to room temperature, it is achieved while ambient-temperature compensation, also there is the function limiting minimum return water temperature.
When outdoor climate frees change, outdoor temperature information is passed to climate compensator by the temperature sensor being arranged in building outdoor, climate compensator is according to the regulation relation curve under the most intrinsic different situations, output regulation signal is to three-way valve, change for backwater mixed proportion so that it is output water temperature meets adjustment curve.
Meanwhile, in whole heating system, the change of the pipeline pressure caused for valve folding size, it is provided that pressure current events change curve, it is simple to overall pipe network pressure balance.
In sum, technical scheme also has the characteristics that,
Because a secondary net entirety heat capacity is constant, and it is variable for using the heat capacity of the heating system of weather compensation instrument, with the therrmodynamic system of variable be building winter heating be science, i.e. no matter how thermic load changes, room temperature is constant, so, both reached energy-saving and emission-reduction purpose, comfortable heating effect was provided again.
Last it is noted that the foregoing is only the preferred embodiments of the present invention, it is not limited to the present invention, although the present invention being described in detail with reference to previous embodiment, for a person skilled in the art, technical scheme described in foregoing embodiments still can be modified by it, or wherein portion of techniques feature is carried out equivalent.All within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (3)
1. a climate compensator, it is characterized in that, including control chip, DC24V Switching Power Supply, DC-DC conversion circuit, touch screen, RS232 telecommunication circuit, RS485 telecommunication circuit, linear isolation simulated measurement input circuit, RTC real time clock circuit, simulated measurement input circuit and PWM analogue quantity output circuit, the input of described DC-DC conversion circuit is connected with the outfan of DC24V Switching Power Supply, this DC-DC conversion circuit provides DC source, described touch screen is connected with control chip by RS232 telecommunication circuit, described RS485 telecommunication circuit, linear isolation simulated measurement input circuit, RTC real time clock circuit, simulated measurement input circuit and PWM analogue quantity output circuit are all connected with control chip；
Described DC-DC conversion circuit includes 24V-5V translation circuit and 24V-3.3V translation circuit；
nullDescribed 24V-5V translation circuit includes TPS54331 chip，Series voltage stabilizing diode D2 and adjustable resistance on the input VIN pin of this TPS54331 chip，The negative electrode of described Zener diode D2 is connected with adjustable resistance，And series voltage stabilizing diode D3 between the input VIN pin of this TPS54331 chip and ground，The negative electrode of this Zener diode D3 is connected with the VIN pin of TPS54331 chip，And the two ends of Zener diode D3 shunt capacitance C5 respectively、The series circuit of electric capacity C4 and resistance R2 and resistance R4 composition，The outfan PH pin of described TPS54331 chip is connected with one end of inductance L1，And series voltage stabilizing diode D1 between node and the ground between inductance L1 and PH pin，The anode series of this Zener diode D1 couples ground，The circuit that electric capacity C2 and electric capacity C3 composes in parallel is connected with the other end of inductance L1.
Climate compensator the most according to claim 1, it is characterised in that described RS485 telecommunication circuit is 4 tunnels, described simulated measurement input circuit is 4 tunnels, and described linear isolation simulated measurement input circuit is 5 tunnels, and described PWM analogue quantity output circuit is 3 tunnels.
Climate compensator the most according to claim 2, it is characterized in that, described simulated measurement input circuit includes HCNR201 chip, transport and placing device U4 is connected on the input of HCNR201 chip, series diode circuit D6 between the inverting input of this transport and placing device U4 and ground, this diode circuit D6 includes two diodes, the anode of the negative electrode of one of them diode and another diode connects, and go back series capacitance C20 between the inverting input of this transport and placing device U4 and ground, and electric capacity C21 and resistance R15 is in parallel respectively at electric capacity C20.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410321872.8A CN104076797B (en) | 2014-07-04 | 2014-07-04 | Climate compensator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410321872.8A CN104076797B (en) | 2014-07-04 | 2014-07-04 | Climate compensator |
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| CN104076797A CN104076797A (en) | 2014-10-01 |
| CN104076797B true CN104076797B (en) | 2017-01-11 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104333238A (en) * | 2014-10-17 | 2015-02-04 | 重庆金宏汽车电子有限公司 | Power supply circuit for navigation device |
| CN105955225A (en) * | 2016-06-29 | 2016-09-21 | 江苏长宁电力科技有限公司 | Energy-saving monitoring unit suitable for building environment self-adaptive energy-saving management system |
| CN110080815A (en) * | 2018-08-09 | 2019-08-02 | 北京中矿赛力贝特节能科技有限公司 | A kind of intelligent safety energy conservation energy regulating system of mine air inlet well head air heat process |
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| EP0773446A1 (en) * | 1995-11-10 | 1997-05-14 | Abb Control | Voltage sensor with galvanic isolation |
| CN101644461A (en) * | 2009-03-27 | 2010-02-10 | 北京阿克姆热能科技开发有限公司 | Climate compensator |
| CN201606968U (en) * | 2010-02-10 | 2010-10-13 | 山东科技大学 | Weather compensation frequency conversion control device for heating |
| CN203324736U (en) * | 2013-07-04 | 2013-12-04 | 北京融泰盛亚科技有限公司 | Climate-compensation controller |
| CN204065796U (en) * | 2014-07-04 | 2014-12-31 | 无锡锐泰节能系统科学有限公司 | Climate compensator |
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2014
- 2014-07-04 CN CN201410321872.8A patent/CN104076797B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0773446A1 (en) * | 1995-11-10 | 1997-05-14 | Abb Control | Voltage sensor with galvanic isolation |
| CN101644461A (en) * | 2009-03-27 | 2010-02-10 | 北京阿克姆热能科技开发有限公司 | Climate compensator |
| CN201606968U (en) * | 2010-02-10 | 2010-10-13 | 山东科技大学 | Weather compensation frequency conversion control device for heating |
| CN203324736U (en) * | 2013-07-04 | 2013-12-04 | 北京融泰盛亚科技有限公司 | Climate-compensation controller |
| CN204065796U (en) * | 2014-07-04 | 2014-12-31 | 无锡锐泰节能系统科学有限公司 | Climate compensator |
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