CN106705209A - Electric boiler warm electricity control system and method - Google Patents
Electric boiler warm electricity control system and method Download PDFInfo
- Publication number
- CN106705209A CN106705209A CN201710128784.XA CN201710128784A CN106705209A CN 106705209 A CN106705209 A CN 106705209A CN 201710128784 A CN201710128784 A CN 201710128784A CN 106705209 A CN106705209 A CN 106705209A
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- Prior art keywords
- boiler
- heat
- energy storage
- control cabinet
- plc control
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D11/00—Central heating systems using heat accumulated in storage masses
- F24D11/002—Central heating systems using heat accumulated in storage masses water heating system
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
- F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
- F24D19/1048—Counting of energy consumption
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2220/00—Components of central heating installations excluding heat sources
- F24D2220/04—Sensors
- F24D2220/042—Temperature sensors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2220/00—Components of central heating installations excluding heat sources
- F24D2220/04—Sensors
- F24D2220/048—Level sensors, e.g. water level sensors
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Steam Or Hot-Water Central Heating Systems (AREA)
Abstract
The invention creatively discloses an electric boiler warm electricity control system and method. The system comprises a PLC control cabinet, a plurality of sensors, a thermal flowmeter, a water pump, an electric valve, a boiler unit and a buzzer, wherein the sensors, the thermal flowmeter, the water pump, the electric valve, the boiler unit and the buzzer are connected with the PLC control cabinet; the boiler unit is connected with an energy storage heat reservoir through the water pump, a first temperature sensor is arranged in the energy storage heat reservoir, a main heating output pipe connected with the energy storage heat reservoir is provided with the thermal flowmeter, a second temperature sensor and a water level sensor are arranged in each boiler of the boiler unit, and the PLC control cabinet is further connected with a wireless remote monitoring terminal. According to the electric boiler warm electricity control system and method, on the basis of saving cost and reducing energy, normal heating of a warm electricity system in the daytime is ensured, and the running state of the electric boilers can be effectively monitored in real time through the remoter monitoring terminal
Description
Technical field
The invention belongs to grill pan furnace heating field, and electric control system and method are warmed up more particularly, to a kind of electric boiler.
Background technology
Traditional heating system lacks regulation and Energy Saving Control means, it is impossible to need to be adjusted by ambient conditions and user
Section.Its shortcoming is：High cost, energy waste.And the appearance of Peak-valley TOU power price brings opportunity to the function development of electric boiler.Profit
With the rich automatic heating of night power network, by thermal energy storage in heat accumulation equipment, daytime is heated using warm electricity.With this confession
The development of warm mode, and for the operation of guarantee heating system carries out steady, reliability, it is necessary to design a kind of fortune to electric boiler
Row state carries out remote monitoring, reduces the control system of heat cost.
Innovation and creation content
In view of this, the present invention is directed to propose a kind of electric boiler warms up electric control system and method, to ensure heating system
Normal operation, reduces heating cost, reduces energy waste.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
A kind of electric boiler warms up electric control system, including PLC control cabinet, multiple sensors, the heat being connected with PLC control cabinet
Meter, water pump, motor-driven valve, boiler controller system, buzzer；The boiler controller system connects energy storage heat reservoir, the energy storage heat reservoir by water pump
The first temperature sensor is inside provided with, calorimeter is set on the main heating efferent duct of energy storage heat reservoir connection；The boiler controller system it is every
Second temperature sensor, level sensor are provided with individual boiler；The PLC control cabinet is also connected with wireless remote monitering end.
Further, the magnetic valve of the water pump connects PLC control cabinet by auxiliary reclay or contactor.
Further, each sensor connects PLC control cabinet by four core shielding lines.
Further, the remote monitoring end is wireless GPRS remote controllers.
Further, the PLC control cabinet connects wireless GPRS remote controllers by GPRS network.
A kind of electric boiler warms up electric control method, controls boiler controller system within the paddy electricity time period to energy storage by PLC control cabinet
Heat reservoir fills heat, and carries out high temperature protection to boiler controller system；By PLC control cabinet control the ordinary telegram time period and peak electricity the time period by
Energy storage heat reservoir heat supply, and judge whether to need to control boiler controller system complementary heating.
Further, it is described to control boiler controller system to fill heat to energy storage heat reservoir within the paddy electricity time period by PLC control cabinet
Method is：
(101) start to fill storage heat in heat, energy storage heat reservoir in the paddy electricity time period；
(102) whether the heat or temperature for measuring energy storage heat reservoir by sensor and calorimeter set more than PLC control cabinet
Full of value；
(103) if so, then seeing if fall out the paddy electricity time period；Without departing from then only one boiler of reservation is opened with antifreeze；
It has been exceeded that, then stopped boiler controller system heat supply.
Further, described to start to fill the hot time be after paddy electricity opening time, or paddy electricity opening time to step (101)
Individual time point；Calculated and controlled according to the current heat of energy storage heat reservoir or temperature by PLC control cabinet.
Further, controlled in ordinary telegram time period and peak electricity time period by energy storage heat reservoir heat supply by PLC control cabinet, and sentenced
It is disconnected whether to need to control the specific method of boiler controller system complementary heating be：
(201) in ordinary telegram time period selection time point, as determining whether ordinary telegram opens boiler time td, heat reservoir heat is judged
Whether amount Q is more than remaining time on the same day institute's calorific requirement Qd for calculating at the td moment；
(202) if being more than, continue by energy storage heat reservoir heat supply；If being less than, PLC control cabinet control boiler controller system is put down
Recharging heat supply；
(203) the ordinary telegram time terminate enter peak electricity the time period after, judge heat reservoir heat Q whether maintain to peak electricity the time knot
Beam, if so, then continuing by energy storage heat reservoir heat supply；If it is not, then PLC control cabinet control boiler controller system opens heat altogether.
Further, the computational methods of remaining time on same day institute's calorific requirement Qd are：
Qd=(Qo-Qp) * Qs/Qp
Wherein：
Qo:The heat (setting value, adjustable) that heat reservoir is full of；
Qp：In the time 7 that paddy electricity terminates；The heat of theoretical consumption during 00 to td time period Design cooling loads；
Qs：In the time 7 that paddy electricity terminates；The heat of 00 to td time period actual consumptions.
Relative to prior art, a kind of warm electric control system of electric boiler of the present invention and method have the advantage that：
Heat is stored using energy storage heat reservoir during night paddy electricity, heat supply is carried out on daytime, in cost-effective, the base of reduction energy waste
Ensure the normal operation of heating system on plinth；Temperature also in real-time detection boiler, realizes the high temperature protection to electric boiler, helps
In the prolonged boiler life-span.
Brief description of the drawings
Fig. 1 is the control system architecture schematic diagram described in the invention embodiment；
Fig. 2 is the schematic diagram of the heating system energy storage heat reservoir described in this practical embodiment；
Fig. 3 is the control flow chart described in the invention embodiment.
Specific embodiment
It should be noted that in the case where not conflicting, the embodiment in the present invention and the feature in embodiment can phases
Mutually combination.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score,
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of and describes the present invention and simplify to describe, rather than instruction or dark
Showing the device or element of meaning must have specific orientation, with specific azimuth configuration and operation therefore it is not intended that right
Limitation of the invention.Additionally, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicating or implying phase
To importance or the implicit quantity for indicating indicated technical characteristic.Thus, the feature for defining " first ", " second " etc. can
To express or implicitly include one or more this feature.In the description of the invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Company ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can
Being to mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
Two connections of element internal.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
The invention is described in detail with reference to embodiment and accompanying drawing.
As depicted in figs. 1 and 2, a kind of warm electric control system of electric boiler, including PLC control cabinet, is connected with PLC control cabinet
Multiple sensors, calorimeter, water pump, motor-driven valve, boiler controller system, buzzer；The boiler controller system connects energy storage heat by water pump
Storehouse, is provided with the first temperature sensor in the energy storage heat reservoir, calorimeter is set on the main heating efferent duct of energy storage heat reservoir connection；Institute
State and second temperature sensor, level sensor are provided with each boiler of boiler controller system；The PLC control cabinet is also connected with radio remote
Range monitoring end.
Wherein, the magnetic valve of the water pump connects PLC control cabinet by auxiliary reclay or contactor.
Wherein, each sensor connects PLC control cabinet by four core shielding lines.
Wherein, the remote monitoring end is wireless GPRS remote controllers.
Wherein, the PLC control cabinet connects wireless GPRS remote controllers by GPRS network.
As shown in figure 3, a kind of warm electric control method of electric boiler, boiler controller system is controlled in the paddy electricity time by PLC control cabinet
Heat is filled to energy storage heat reservoir in section, and high temperature protection is carried out to boiler controller system；Controlled at ordinary telegram time period and peak by PLC control cabinet
The electric time period is judged whether to need to control boiler controller system complementary heating by energy storage heat reservoir heat supply.
Wherein, the method for controlling boiler controller system to fill heat to energy storage heat reservoir within the paddy electricity time period by PLC control cabinet
For：
(101) start to fill storage heat in heat, energy storage heat reservoir in the paddy electricity time period；
(102) whether the heat or temperature for measuring energy storage heat reservoir by sensor and calorimeter set more than PLC control cabinet
Full of value；
(103) if so, then seeing if fall out the paddy electricity time period；Without departing from then only one boiler of reservation is opened with antifreeze；
It has been exceeded that, then stopped boiler controller system heat supply.
Wherein, step (101) is described when starting to fill the hot time for after paddy electricity opening time, or paddy electricity opening time
Between point；Calculated and controlled according to the current heat of energy storage heat reservoir or temperature by PLC control cabinet.
Wherein, it is by energy storage heat reservoir heat supply, and judgement in ordinary telegram time period and peak electricity time period by PLC control cabinet control
It is no to need to control the specific method of boiler controller system complementary heating be：
(201) in ordinary telegram time period selection time point, as determining whether ordinary telegram opens boiler time td, heat reservoir heat is judged
Whether amount Q is more than remaining time on the same day institute's calorific requirement Qd for calculating at the td moment；
(202) if being more than, continue by energy storage heat reservoir heat supply；If being less than, PLC control cabinet control boiler controller system is put down
Recharging heat supply；
(203) the ordinary telegram time terminate enter peak electricity the time period after, judge heat reservoir heat Q whether maintain to peak electricity the time knot
Beam, if so, then continuing by energy storage heat reservoir heat supply；If it is not, then PLC control cabinet control boiler controller system opens heat altogether.
Wherein, the computational methods of remaining time on same day institute's calorific requirement Qd are：
Qd=(Qo-Qp) * Qs/Qp
Wherein：
Qo:The heat (setting value, adjustable) that heat reservoir is full of；
Qp：In the time 7 that paddy electricity terminates；The heat of theoretical consumption during 00 to td time period Design cooling loads；
Qs：In the time 7 that paddy electricity terminates；The heat of 00 to td time period actual consumptions.
Parameter setting：
t:Current time；
t1:The paddy electricity opening time (23:00)；
t2:The paddy electricity end time (07:00)；
t3:The ordinary telegram opening time (11:30；7:00)；
t4:The ordinary telegram end time (18:00；8:30)；
td:Determine whether ordinary telegram opens the boiler time；
Qd:Remaining time institute's calorific requirement on the day of the td moment calculates；
Q1：Heat reservoir is in t1 moment after-heats；
Qo:The heat that heat reservoir is full of；
Q:The heat of heat reservoir；
T:The temperature of heat reservoir；
To:Temperature when heat reservoir is full of；
Qd2:The remaining period needs heat at the end of ordinary telegram fills heat；
Qp：In the time 7 that paddy electricity terminates：The heat of theoretical consumption during 00 to td time period Design cooling loads；
Qs：In the time 7 that paddy electricity terminates：The heat of 00 to td time period actual consumptions；
Qz：23 within the paddy electricity period:00 arrives td time heat reservoir heat increments；
Qx：The heat of preceding a whole day heat reservoir consumption；
Q=Qo-Qs
Qo-Qp：The theoretical heat for consuming during remaining time Design cooling load on the day of td moment time.
7：00<td<=10:00 correspondence：Qp=12.8* (td-10) * 80000/1000*3.6
10：00<td<=22:00 correspondence：Qp=(12.8*3+24.5* (td-10)) * 80000/1000*3.6
22:00<td<=23:00 correspondence：Qp=(12.8*3+24.5*12+12.8* (td-22)) * 80000/1000*3.6
Qs/Qp=Qd/ (Qo-Qp)
Qd=Qs/Qp (Qo-Qp)
Citing：12 points of calculating for being detected at noon
Td=12 points
Qo=650*170=110500MJ
Qp=(12.8*3+24.5* (12-10)) * 80000/1000*3.6=25171.2MJ
The same day is cold, beyond design theory load, heat meter reading 1,000,000MJ at 7,12 readings of calorimeter
Number, Q=1,030,500MJ
Qs=1,030,500-1,000,000=30500MJ
Q=110500-30500=80000
Qd=Qs/Qp (Qo-Qp)=30500/25171.2* (110500-25171.2)=103393.1MJ
This moment, Q<Qd.
Concrete operating principle：
1st, during the present invention is implemented, boiler controller system includes boiler H1-H4.(23 within the time period of setting：:00-7:00, paddy
The electric time period), in the situation that start by set date water pump function starts, as heat reservoir temperature Q ＜ Q0When (adjustable), starting trouble H1--
H4, to heat reservoir heat Q >=Q0Boiler H1--H4 is closed outside (adjustable) or time period or when start by set date water pump function is closed.
2nd, antifreeze heating：(with first) in the paddy electricity time, when start by set date water pump function starts, as Q >=Q0When, open
Dynamic boiler H1--H4, closes boiler H1--H4 outside the time period or when start by set date water pump function is closed.(boiler can be manually selected
Several startups, give tacit consent to standard-sized sheet)
3rd, heating in the ordinary telegram time period：Setting in 2 time periods (adjustable), when start by set date water pump function starts,
When Q ＜ Qd (adjustable), starting trouble H1--H4, to heat reservoir heat Q >=Qd (adjustable) or time period be outer or start by set date water pump
Boiler H1--H4 is closed when function is closed.
4th, peak electricity time period control：Setting in 1 time period (adjustable), when start by set date water pump function starts, when
During Qd-Q >=50MJ (adjustable), starting trouble H1--H4, to heat reservoir heat Qd-Q ＜ 50MJ (adjustable) or time period be outer or timing
Start when water pump function is closed and close boiler H1--H4.
5th, start by set date water pump：1. within 1 time period of setting (adjustable), pump P1-P5, M1-M4 are started；Outside time period
Close pump P1--P5, motor-driven valve M1--M4.(water pump can manually select startup several, give tacit consent to standard-sized sheet) is 2. in 1 of setting
Between in section (adjustable), start pump P1-P5, M1-M4；Pump P1--P5, motor-driven valve M1--M4 are closed outside time period.(water pump can be with hand
Dynamic selection starts several, gives tacit consent to standard-sized sheet)
6th, high temperature protection：When boiler H1 temperature T1 >=95 DEG C (adjustable), boiler H1 is closed, to 90 DEG C of T1 ＜ (adjustable)
When, recover；When boiler H2 temperature T2 >=95 DEG C (adjustable), boiler H2 is closed, during to T2 ＜ 90 DEG C (adjustable), recovered；Work as pot
During stove H3 temperature T3 >=95 DEG C (adjustable), boiler H2 is closed, during to T3 ＜ 90 DEG C (adjustable), recovered；When boiler H4 temperature T4 >=
When 95 DEG C (adjustable), boiler H4 is closed, during to T4 ＜ 90 DEG C (adjustable), recovered.
7th, it is timed and forced to start heating：Within 3 time periods of setting (adjustable), start motor-driven valve M1--M4, time delay 5s
Start pump P1--P5, then time delay 5s starting trouble H1--H4, boiler H1--H4 is closed outside the time period, time delay 5s closes pump P1--
P5, then time delay 5s closes boiler M1--M4.(boiler and water pump can manually select startup several, give tacit consent to standard-sized sheet) (manually boots
The function)
8th, temperature fault alarm：When temperature breaks down or boiler high temperature is protected, start buzzer；Closed when normal.
The preferred embodiment of the invention is the foregoing is only, creation is not intended to limit the invention, it is all at this
Within the spirit and principle of innovation and creation, any modification, equivalent substitution and improvements made etc. should be included in the invention
Protection domain within.
Claims (10)
1. a kind of electric boiler warms up electric control system, it is characterised in that：Including PLC control cabinet, the multiple biographies being connected with PLC control cabinet
Sensor, calorimeter, water pump, motor-driven valve, boiler controller system, buzzer；The boiler controller system connects energy storage heat reservoir by water pump, described
The first temperature sensor is provided with energy storage heat reservoir, calorimeter is set on the main heating efferent duct of energy storage heat reservoir connection；The boiler
Second temperature sensor, level sensor are provided with each boiler of unit；The PLC control cabinet is also connected with wireless remote monitering
End.
2. a kind of electric boiler according to claim 1 warms up electric control system, it is characterised in that：The magnetic valve of the water pump leads to
Cross auxiliary reclay or contactor connection PLC control cabinet.
3. a kind of electric boiler according to claim 1 warms up electric control system, it is characterised in that：Each sensor passes through
Four core shielding lines connect PLC control cabinet.
4. a kind of electric boiler according to claim 1 warms up electric control system, it is characterised in that：The remote monitoring end is nothing
Line GPRS remote controllers.
5. a kind of electric boiler according to claim 1 warms up electric control system, it is characterised in that：The PLC control cabinet passes through
GPRS network connects wireless GPRS remote controllers.
6. the control method of electric control system is warmed up as claimed in claim 1, it is characterised in that：Boiler is controlled by PLC control cabinet
Unit fills heat within the paddy electricity time period to energy storage heat reservoir, and carries out high temperature protection to boiler controller system；Controlled by PLC control cabinet
Ordinary telegram time period and peak electricity time period are judged whether to need to control boiler controller system complementary heating by energy storage heat reservoir heat supply.
7. control method according to claim 6, it is characterised in that：It is described to control boiler controller system to exist by PLC control cabinet
Filling hot method to energy storage heat reservoir in the paddy electricity time period is：
(101) start to fill storage heat in heat, energy storage heat reservoir in the paddy electricity time period；
(102) whether the heat or temperature of energy storage heat reservoir are measured more than filling that PLC control cabinet sets by sensor and calorimeter
Full value；
(103) if so, then seeing if fall out the paddy electricity time period；Without departing from then only one boiler of reservation is opened with antifreeze；Surpass
Go out, then stop boiler controller system heat supply.
8. control method according to claim 7, it is characterised in that：Step (101) is described to start to fill the hot time for paddy electricity
A time point after opening time, or paddy electricity opening time；By PLC control cabinet according to the current heat of energy storage heat reservoir or temperature
To calculate and control.
9. control method according to claim 6, it is characterised in that：Controlled in the ordinary telegram time period by PLC control cabinet and
The peak electricity time period judges whether that the specific method for needing to control boiler controller system complementary heating is by energy storage heat reservoir heat supply：
(201) in ordinary telegram time period selection time point, as determining whether ordinary telegram opens boiler time td, heat reservoir heat Q is judged
Whether remaining time on the same day institute's calorific requirement Qd calculated more than the td moment；
(202) if being more than, continue by energy storage heat reservoir heat supply；If being less than, PLC control cabinet control boiler controller system carries out ordinary telegram and fills
Hot heat supply；
(203) after the ordinary telegram time terminates to enter the peak electricity time period, judge whether heat reservoir heat Q maintains to the peak electric time to terminate, if
It is then to continue by energy storage heat reservoir heat supply；If it is not, then PLC control cabinet control boiler controller system opens heat altogether.
10. control method according to claim 9, it is characterised in that：The calculating side of remaining time on same day institute's calorific requirement Qd
Method is：
Qd=(Qo-Qp) * Qs/Qp
Wherein：
Qo:The heat (setting value, adjustable) that heat reservoir is full of；
Qp：In the time 7 that paddy electricity terminates；The heat of theoretical consumption during 00 to td time period Design cooling loads；
Qs：In the time 7 that paddy electricity terminates；The heat of 00 to td time period actual consumptions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710128784.XA CN106705209A (en) | 2017-03-06 | 2017-03-06 | Electric boiler warm electricity control system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710128784.XA CN106705209A (en) | 2017-03-06 | 2017-03-06 | Electric boiler warm electricity control system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106705209A true CN106705209A (en) | 2017-05-24 |
Family
ID=58917905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710128784.XA Pending CN106705209A (en) | 2017-03-06 | 2017-03-06 | Electric boiler warm electricity control system and method |
Country Status (1)
| Country | Link |
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| CN (1) | CN106705209A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420969A (en) * | 2017-05-27 | 2017-12-01 | 程孝龙 | A kind of efficiently paddy electricity energy storage heating system and its control method |
| CN112068481A (en) * | 2020-09-08 | 2020-12-11 | 汇创电气设备制造有限公司 | Boiler remote intelligent control system and method |
-
2017
- 2017-03-06 CN CN201710128784.XA patent/CN106705209A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420969A (en) * | 2017-05-27 | 2017-12-01 | 程孝龙 | A kind of efficiently paddy electricity energy storage heating system and its control method |
| CN112068481A (en) * | 2020-09-08 | 2020-12-11 | 汇创电气设备制造有限公司 | Boiler remote intelligent control system and method |
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