CN211781413U - Heat accumulating type electric heating control system - Google Patents
Heat accumulating type electric heating control system Download PDFInfo
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- CN211781413U CN211781413U CN202020264248.XU CN202020264248U CN211781413U CN 211781413 U CN211781413 U CN 211781413U CN 202020264248 U CN202020264248 U CN 202020264248U CN 211781413 U CN211781413 U CN 211781413U
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Abstract
The utility model provides a heat accumulation formula electric heating control system, including electric heater unit, hot water storage tank, heat exchanger, user's heating equipment, circulating pump, motorised valve, electronic three-way control valve, temperature transmitter and controller, electric heater unit pass through the heat source side that once inclines continuous forming system of circulating line and hot water storage tank and heat exchanger, user's heating equipment passes through the load side that the secondary side of circulating line and heat exchanger links to each other forming system, the controller pass through the control signal line and link to each other realization system's control and monitoring with the next controlgear that corresponds. The utility model discloses degree of automation is high, with low costs, has solved the slow, the complicated with high costs problem of structure of prior art concurrent heating process.
Description
Technical Field
The utility model relates to a heating technical field, concretely relates to heat accumulation formula electric heating control system.
Background
In order to solve the increasingly serious environmental problems and effectively utilize clean electric energy such as photovoltaic energy, wind power and the like, the electric heating system adopting valley electricity to store heat is widely applied in the north.
In the prior art, a heat storage cycle and a heat release cycle of a system are relatively independent, an electric heating device heats a heat storage water tank, and the heat storage water tank releases heat to a user side. In order to ensure the heat storage capacity of the system, the volume of the heat storage water tank is large, so that the water temperature of the heat storage water tank is slowly increased by the electric heating equipment. When the user side water temperature can not meet the heating requirement and needs heat supplement, the user side water temperature is slowly increased due to the fact that the electric heating equipment indirectly heats the user side hot water through the heat storage water tank instead of directly heating the user side hot water, and the heating effect is seriously affected.
Disclosure of Invention
The utility model aims at overcoming prior art's defect, provide an economical and reliable heat accumulation formula electric heating control system.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
a regenerative electric heating control system comprising: the system comprises an electric heating device, a heat storage water tank, a heat exchanger, a user heating device, a first circulating pump, a second circulating pump, a third circulating pump, a first electric valve, a second electric valve, a third electric valve, a fourth electric valve, an electric three-way regulating valve, a first temperature transmitter, a second temperature transmitter, a third temperature transmitter, a heat storage water tank high-temperature side pipeline, a heat storage water tank low-temperature side pipeline and a controller. The electric heating equipment is connected with the heat storage water tank and the primary side of the heat exchanger through a circulating pipeline, and the user heating equipment is connected with the secondary side of the heat exchanger through a circulating pipeline.
Furthermore, a first circulating pump and a first temperature transmitter are installed on a pipeline between a water inlet of the electric heating equipment and a pipeline on the low-temperature side of the heat storage water tank, and a first electric valve is installed on a pipeline between a water outlet of the electric heating equipment and a pipeline on the high-temperature side of the heat storage water tank.
Furthermore, a second electric valve is installed on the pipeline at the high temperature side of the hot water storage tank, and a second temperature transmitter and a third electric valve are installed on the pipeline at the low temperature side of the hot water storage tank.
Furthermore, a second circulating pump is installed on a pipeline between the high-temperature side pipeline of the heat storage water tank and the primary side water inlet of the heat exchanger, and a fourth electric valve is installed on a pipeline between the low-temperature side pipeline of the heat storage water tank and the primary side water outlet of the heat exchanger.
Furthermore, a bypass branch is arranged between the primary side water inlet pipeline and the primary side water outlet pipeline of the heat exchanger, the bypass branch is connected with the main pipeline through an electric three-way regulating valve, and the electric three-way regulating valve is arranged on the primary side water inlet pipeline of the heat exchanger.
Furthermore, a third circulating pump and a third temperature transmitter are installed on a water return pipeline between the heat exchanger and the user heating equipment.
Furthermore, the electric heating equipment, the electric three-way regulating valve, the temperature transmitter, the circulating pump and the electric valve are connected with the controller through control signal lines.
Furthermore, the controller comprises a controller host, an analog quantity module and a touch screen, and a user can set the control temperature and the running time of the system on the touch screen and monitor the running data in real time.
Furthermore, the heat accumulating type electric heating control system has 4 working modes which are a heat accumulating mode, a heat releasing mode, a direct heating mode and a heat accumulating and direct heating mode, and all the modes are judged by the controller and the system is controlled to automatically run.
Compared with the prior art, the beneficial effects of the utility model are that: when the heating system needs heat compensation, the controller can directly switch the system from a heat storage mode to a direct heating mode, the electric heating equipment bypasses the heat storage water tank to directly heat water in the pipeline, and the rapid rise of the water temperature at the user side can be realized; the heat storage and heat release requirements can be met at the same time only by one circulating pump at the heat source side at night, so that the running power consumption is saved; the whole system has simple and reliable structure, high automation degree and low cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a heat accumulating type electric heating control system according to an embodiment of the present invention;
fig. 2 is a schematic diagram of the connection between the controller and the corresponding lower device according to the embodiment of the present invention;
fig. 3 is a schematic structural diagram of a controller according to an embodiment of the present invention;
in the figure, 1 is an electric heating device, 2 is a hot water storage tank, 3 is a heat exchanger, 4 is a user heating device, 5 is a first circulating pump, 6 is a second circulating pump, 7 is a third circulating pump, 8 is a first electric valve, 9 is a second electric valve, 10 is a third electric valve, 11 is a fourth electric valve, 12 is an electric three-way regulating valve, 13 is a first temperature transmitter, 14 is a second temperature transmitter, 15 is a third temperature transmitter, 16 is a hot water storage tank high-temperature side pipeline, 17 is a hot water storage tank low-temperature side pipeline, 18 is a bypass branch, 19 is a controller, 20 is a controller host, 21 is a touch screen, and 22 is an analog quantity module.
Detailed Description
The present invention will be described more fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the invention are shown. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a heat accumulation formula electric heating control system, as shown in figure 1, include: the system comprises an electric heating device 1, a hot water storage tank 2, a heat exchanger 3, a user heating device 4, a first circulating pump 5, a second circulating pump 6, a third circulating pump 7, a first electric valve 8, a second electric valve 9, a third electric valve 10, a fourth electric valve 11, an electric three-way regulating valve 12, a first temperature transmitter 13, a second temperature transmitter 14, a third temperature transmitter 15, a hot water storage tank high-temperature side pipeline 16, a hot water storage tank low-temperature side pipeline 17 and a controller 19. The electric heating equipment 1 is connected with the heat storage water tank 2 and the primary side of the heat exchanger 3 through a circulating pipeline to form a heat source side of the system; and the user heating equipment 4 is connected with the secondary side of the heat exchanger 3 through the circulating pipeline 2 to form the load side of the system.
A first circulating pump 5 and a first temperature transmitter 13 are arranged on a pipeline between a water inlet of the electric heating equipment 1 and a low-temperature side pipeline 17 of the hot water storage tank, and a first electric valve 8 is arranged on a pipeline between a water outlet of the electric heating equipment 1 and a high-temperature side pipeline 16 of the hot water storage tank.
The second electric valve 9 is installed on the hot water storage tank high-temperature side pipeline 16, and the second temperature transmitter 14 and the third electric valve 10 are installed on the hot water storage tank low-temperature side pipeline 17.
A second circulating pump 6 is arranged on a pipeline between the high-temperature side pipeline 16 of the heat storage water tank and the primary side water inlet of the heat exchanger 3, and a fourth electric valve 11 is arranged on a pipeline between the low-temperature side pipeline 17 of the heat storage water tank and the primary side water outlet of the heat exchanger 3.
A bypass branch 18 is arranged between the primary side water inlet pipeline and the primary side water outlet pipeline of the heat exchanger 3, the bypass branch 18 is connected with the main pipeline through an electric three-way regulating valve 12, and the electric three-way regulating valve 12 is arranged on the primary side water inlet pipeline of the heat exchanger 3.
And a third circulating pump 7 and a third temperature transmitter 15 are arranged on a water return pipeline between the heat exchanger 3 and the user heating equipment 4.
As shown in fig. 2, the controller 19 is connected to the electric heating device 1, the circulating pump, the electric valve, the temperature transmitter, and the electric three-way regulating valve 12 through control signal lines, so as to realize on-off control, opening degree regulation, state feedback reading, and real-time data reading of the electric heating device. The circulation pump in the figure comprises a first circulation pump 5, a second circulation pump 6 and a third circulation pump 7, the electric valves in the figure comprise a first electric valve 8, a second electric valve 9, a third electric valve 10 and a fourth electric valve 11, and the temperature transmitters in the figure comprise a first temperature transmitter 13, a second temperature transmitter 14 and a third temperature transmitter 15.
As shown in fig. 3, the illustrated controller 19 includes: a controller host 20 for implementing a main control function; the touch screen 21 is used for realizing human-computer interaction, and a user can set the running time and the control temperature of the system on the touch screen and read the real-time running data of the system; the analog quantity module 22 is configured to process analog quantity data, and can transmit the temperature data of the temperature transmitter to the controller host 20 through the communication interface, or can implement real-time opening adjustment and reading of the electric three-way regulating valve 12 by the controller host 20 through the bushing communication interface.
The heat accumulating type electric heating control system provided by the embodiment has 4 working modes, which are respectively as follows: the heat storage mode, the heat release mode, the direct heating mode and the heat storage and direct heating mode, wherein all the modes are judged by the controller 19 and the system is controlled to automatically run, and the controller 19 controls the system according to the parameters set by the user and the real-time feedback data of the system. The following details the operation of each mode:
(1) heat storage mode
The method is used for the situation that the heating system only needs heat storage and does not need heat release, for example, a factory building which only needs freezing prevention at night is produced in daytime. In this mode, the controller 19 opens the first, second, and third electric valves 8, 9, and 10 and closes the fourth electric valve 11 during the heat accumulation period set by the user. After the controller 19 receives the full-open feedback signals of the first electric valve 8, the second electric valve 9 and the third electric valve 10 and the full-close feedback signals of the fourth electric valve 11, the controller 19 can open the first circulating pump 5, after the controller 19 receives the operation feedback signals of the first circulating pump 5, the electric heating device 1 can be opened in a delayed mode according to preset delay time, and the third circulating pump 7 operates according to time and temperature set by a user to meet the anti-freezing requirement. When the temperature value of the third temperature transmitter 14 reaches the user set value or the operation time does not satisfy the user set time period, the controller 9 will turn off the electric heating apparatus and the first circulation pump 5. In the heat accumulation mode, the second electric valve 6 and the electric three-way control valve 12 are not operated.
(2) Exothermic mode
The heat storage water tank is used for releasing heat to the load side after heat is stored in the heating system. In this mode, the controller 19 closes the first electric valve 8 and opens the second electric valve 9, the third electric valve 10 and the fourth electric valve 11 in the heat release time period set by the user, after the controller 19 receives the full-close signal of the first electric valve 8 and the full-open signals of the second electric valve 9, the third electric valve 10 and the fourth electric valve 11, the controller 19 opens the second circulating pump 6 and fully closes the main circuit of the electric three-way regulating valve 12, the controller 19 controls the second circulating pump 6 to perform variable frequency operation according to the temperature value of the third temperature transmitter 15 and the control temperature set by the user, and the third circulating pump 7 operates according to the time and the temperature set by the user. In the heat release mode, the electric heating apparatus 1 and the first circulation pump 5 are not operated.
(3) Direct heating mode
The method is used for the situation that the heating system needs to bypass the heat storage water tank to directly supply heat to the load side, for example, when the heat storage amount is insufficient in daytime and quick heat supplement is needed. In this mode, the controller 19 closes the second electric valve 9 and the third electric valve 10 and opens the first electric valve 8 and the fourth electric valve 11 in the heat release time period set by the user, after the controller 19 receives the full-off signals of the second electric valve 9 and the third electric valve 10 and the full-on signals of the first electric valve 8 and the fourth electric valve 11, the controller 19 opens the first circulating pump 5 and fully closes the main circuit of the electric three-way regulating valve 12, the controller 19 controls the first circulating pump 5 and the electric heating equipment 1 to perform frequency conversion operation according to the temperature value of the third temperature transmitter 15 and the control temperature set by the user, and the third circulating pump 7 operates according to the time and the temperature set by the user. In the direct heating mode, the second circulation pump does not work.
(4) Regenerative and direct heating mode
The night-time operation body is used for the condition that a heating system needs to store heat and direct heat, such as a residential building for 24-hour heating. In this mode, the controller 19 will open the first electric valve 8, the second electric valve 9, the third electric valve 10 and the fourth electric valve 11 in the heat accumulation time period set by the user, after the controller 19 receives full-open signals of the first electric valve 8, the second electric valve 9, the third electric valve 10 and the fourth electric valve 11, the controller 19 will open the first circulation pump 5 and control the electric three-way regulating valve 12 to regulate the opening degree in real time according to the temperature value of the third temperature transmitter 15 and the control temperature set by the user, and control the first circulation pump 5 and the electric heating device 1 to perform frequency conversion operation according to the temperature value of the third temperature transmitter 15 and the control temperature set by the user, and the third circulation pump 7 operates according to the time and the temperature set by the user. In the heat storage and direct heating mode, the second circulating pump 6 does not operate, at the moment, the first circulating pump not only takes on the task of a heat storage pump but also takes on the task of a heat release pump, and only one circulating pump works on the heat source side.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (7)
1. A heat accumulating type electric heating control system is characterized by comprising: electric heating equipment (1), hot water storage tank (2), heat exchanger (3), user heating equipment (4), first circulating pump (5), second circulating pump (6), third circulating pump (7), first motorised valve (8), second motorised valve (9), third motorised valve (10), fourth motorised valve (11), electronic three-way control valve (12), first temperature transmitter (13), second temperature transmitter (14), third temperature transmitter (15), hot water storage tank high temperature side pipeline (16), hot water storage tank low temperature side pipeline (17) and controller (19), electric heating equipment (1) link to each other with the primary side of hot water storage tank (2) and heat exchanger (3) through the circulating line, user heating equipment (4) link to each other with the secondary side of heat exchanger (3) through the circulating line, controller (19) through control signal line and electric heating equipment (1), The circulating pump, the electric valve, the temperature transmitter and the electric three-way regulating valve (12) are connected.
2. A regenerative electric heating control system as claimed in claim 1 wherein: the pipeline between the water inlet of the electric heating equipment (1) and the hot water storage tank low-temperature side pipeline (17) is provided with a first circulating pump (5) and a first temperature transmitter (13), and the pipeline between the water outlet of the electric heating equipment (1) and the hot water storage tank high-temperature side pipeline (16) is provided with a first electric valve (8).
3. A regenerative electric heating control system as claimed in claim 1 wherein: and a second electric valve (9) is installed on the hot water storage tank high-temperature side pipeline (16), and a second temperature transmitter (14) and a third electric valve (10) are installed on the hot water storage tank low-temperature side pipeline (17).
4. A regenerative electric heating control system as claimed in claim 1 wherein: and a second circulating pump (6) is arranged on a pipeline between the high-temperature side pipeline (16) of the heat storage water tank and the primary side water inlet of the heat exchanger (3), and a fourth electric valve (11) is arranged on a pipeline between the low-temperature side pipeline (17) of the heat storage water tank and the primary side water outlet of the heat exchanger (3).
5. A regenerative electric heating control system as claimed in claim 1 wherein: a bypass branch (18) is arranged between a primary side water inlet pipeline and a primary side water outlet pipeline of the heat exchanger (3), the bypass branch (18) is connected with the main pipeline through an electric three-way regulating valve (12), and the electric three-way regulating valve (12) is installed on the primary side water inlet pipeline of the heat exchanger (3).
6. A regenerative electric heating control system as claimed in claim 1 wherein: and a third circulating pump (7) and a third temperature transmitter (15) are arranged on a water return pipeline between the heat exchanger (3) and the user heating equipment (4).
7. A regenerative electric heating control system as claimed in claim 1 wherein: the controller (19) comprises a controller host (20), an analog quantity module (22) and a touch screen (21), and a user can set the control temperature and the running time of the system on the touch screen (21) and monitor running data in real time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020264248.XU CN211781413U (en) | 2020-03-06 | 2020-03-06 | Heat accumulating type electric heating control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020264248.XU CN211781413U (en) | 2020-03-06 | 2020-03-06 | Heat accumulating type electric heating control system |
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| CN211781413U true CN211781413U (en) | 2020-10-27 |
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| CN202020264248.XU Active CN211781413U (en) | 2020-03-06 | 2020-03-06 | Heat accumulating type electric heating control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112923570A (en) * | 2021-02-10 | 2021-06-08 | 芜湖美的厨卫电器制造有限公司 | Control method for water heater, processor and storage medium |
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2020
- 2020-03-06 CN CN202020264248.XU patent/CN211781413U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112923570A (en) * | 2021-02-10 | 2021-06-08 | 芜湖美的厨卫电器制造有限公司 | Control method for water heater, processor and storage medium |
| CN112923570B (en) * | 2021-02-10 | 2023-02-07 | 芜湖美的厨卫电器制造有限公司 | Control method for water heater, processor and storage medium |
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