CN215211475U - Integrated pump station anti-freezing system based on photovoltaic water circulation - Google Patents
Integrated pump station anti-freezing system based on photovoltaic water circulation Download PDFInfo
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- CN215211475U CN215211475U CN202121651712.1U CN202121651712U CN215211475U CN 215211475 U CN215211475 U CN 215211475U CN 202121651712 U CN202121651712 U CN 202121651712U CN 215211475 U CN215211475 U CN 215211475U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 206
- 238000007710 freezing Methods 0.000 title claims abstract description 42
- 238000004804 winding Methods 0.000 claims abstract description 25
- 238000010438 heat treatment Methods 0.000 claims abstract description 23
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- 230000008014 freezing Effects 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 14
- 238000004140 cleaning Methods 0.000 claims description 11
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- 239000012774 insulation material Substances 0.000 claims description 3
- 230000010354 integration Effects 0.000 description 15
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- 230000007613 environmental effect Effects 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 7
- 238000005265 energy consumption Methods 0.000 description 7
- 208000001034 Frostbite Diseases 0.000 description 6
- 230000008901 benefit Effects 0.000 description 6
- 238000004321 preservation Methods 0.000 description 5
- 230000017525 heat dissipation Effects 0.000 description 4
- 239000010865 sewage Substances 0.000 description 4
- 238000004134 energy conservation Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
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- 238000005286 illumination Methods 0.000 description 2
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/60—Thermal-PV hybrids
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Abstract
The utility model provides an integrated pump station anti-freezing system based on photovoltaic water circulation, which comprises a thermal compensation circulation loop, a photovoltaic heat source circulation loop, a photovoltaic heating circuit and a control subsystem; the thermal compensation circulation loop comprises a winding pipe of an integrated pump station cylinder, a secondary side circulating water pump, a secondary side of a heat exchanger and a secondary side valve which are connected in sequence; the photovoltaic heat source circulation loop comprises a primary side of a heat exchanger, a primary side circulating water pump, a water tank, a primary side valve and a photovoltaic hot water module which are connected in sequence; the heating circuit comprises an electric heater, a first thermosensitive switch, a power cabinet and a photovoltaic hot water module which are sequentially connected in series, a storage battery and an inverter which are mutually connected are arranged in the power cabinet, and the electric heater and the first thermosensitive switch are arranged in the water tank; the control subsystem comprises an integrated controller, the integrated controller is respectively electrically connected with the electrical appliance components and a second thermosensitive switch, the second thermosensitive switch is mounted on the barrel, and the integrated controller controls the system to operate.
Description
Technical Field
The utility model relates to a photovoltaic hydrologic cycle pump station and anti-freezing technical field thereof, in particular to integration pump station system of preventing frostbite based on photovoltaic hydrologic cycle.
Background
The integrated pump station is an integrated pump station combining a traditional pump room with a sewage lifting system, a ventilation system, a control system and a pipeline system, and is lifting equipment for sewage, rainwater and wastewater. Compared with the traditional pump station, the integrated pump station has the outstanding advantages of strong environmental adaptability, small scale, short construction period and the like.
However, the environmental temperature is relatively low in winter, particularly in northern areas of China, sewage in the pump station is frozen due to the low environmental temperature, the pipeline is deformed under frost heaving load due to freezing, even the phenomenon that the valve is frozen to cause leakage and the like occurs, and the operation of the integrated pump station is greatly influenced. Therefore, effective anti-freezing measures must be taken to avoid damage to the integrated pump station and ensure safe and orderly operation of the pump station.
The existing antifreezing methods mainly comprise a passive method and an active method. The most common passive anti-freezing method is to wrap a heat-insulating layer outside a pump station cylinder, but the method has poor performance at extremely low temperature and low overall efficiency; yet another method is to empty the pump station of water at low temperatures to avoid freezing, i.e. not used at low temperatures, which is not suitable for pump stations that need to be operated continuously. In the active method, a heating device is generally arranged on a pump station cylinder, and the cylinder is actively and electrically heated in extreme weather, so that energy consumption is needed for heating, and the energy consumption cost is increased. Meanwhile, because the minimum energy consumption is uncertain in the heating process, the waste of primary energy can be caused by using constant power for heating, and of course, a passive method and an active method can also be adopted at the same time.
The utility model discloses a technical purpose is overcome prior art not enough, provides an effectual, low integration pump station anti-freezing system based on photovoltaic hydrologic cycle of energy consumption.
SUMMERY OF THE UTILITY MODEL
In order to solve the anti-freezing problem of the integrated pump station scientifically and energy-savingly, two aspects need to be considered: 1) effective thermal compensation is provided to avoid freezing of the integrated pump station; 2) renewable energy is adopted to replace high-grade electric energy consumed by the traditional electric heating temperature return mode.
In order to solve the technical problem, the utility model provides an integrated pump station anti-freezing system based on photovoltaic water circulation, which comprises a thermal compensation circulation loop, a photovoltaic heat source circulation loop, a photovoltaic heating circuit and a control subsystem;
the heat compensation circulation loop comprises a winding pipe of an integrated pump station cylinder, a secondary side circulating water pump, a secondary side of a heat exchanger and a secondary side valve which are connected in sequence;
the photovoltaic heat source circulation loop comprises a primary side of a heat exchanger, a primary side circulating water pump, a water tank, a primary side valve and a photovoltaic hot water module which are connected in sequence;
the heating circuit comprises an electric heater, a first thermosensitive switch, a power cabinet and a photovoltaic hot water module which are sequentially connected in series, wherein a storage battery and an inverter which are mutually connected are arranged in the power cabinet, and the electric heater and the first thermosensitive switch are arranged in the water tank;
the control subsystem comprises an integrated controller, the integrated controller is respectively and electrically connected with the primary side circulating water pump, the secondary side circulating water pump, the primary side valve, the secondary side valve, the first thermosensitive switch, the second thermosensitive switch and the power cabinet, the second thermosensitive switch is installed on the barrel, and the integrated controller controls the system to operate.
Optionally, when the second thermal switch detects that the temperature of the integrated pump station cylinder is lower than a preset temperature, the integrated controller controls the primary side valve and the secondary side valve to be opened, and simultaneously starts the primary side circulating water pump and the secondary side circulating water pump, and the photovoltaic hot water module not only converts solar energy into electric energy and stores the electric energy in the storage battery, but also converts the solar energy into heat energy to generate hot water; if the first thermosensitive switch detects that the water temperature in the water tank is lower than a temperature threshold value, the storage battery is converted into alternating current through the inverter and then supplies power to the electric heater, and the electric heater enables the water temperature in the water tank to be increased and changed into hot water; the hot water circulates in the photovoltaic heat source circulation loop under the drive of the primary side circulating water pump and transfers heat to the thermal compensation circulation loop through the heat exchanger, the thermal compensation circulation loop conveys the heat to the winding pipe of the integrated pump station cylinder through the secondary side circulating water pump, and the winding pipe is used for heating the integrated pump station cylinder to raise the temperature so as to prevent freezing.
Optionally, the heat exchanger is a plate heat exchanger or a shell-and-tube heat exchanger.
Optionally, the primary side valve and the secondary side valve both adopt electric switch valves.
Optionally, the primary side water circulating pump and the secondary side water circulating pump both use variable frequency water pumps.
Optionally, a heat insulation layer is arranged on the outer side of the winding pipe of the integrated pump station cylinder body, and the heat insulation layer is made of heat insulation materials and used for wrapping the integrated pump station cylinder body and the winding pipe for heat insulation.
Optionally, the integrated controller includes two control modes of high-temperature operation control and low-temperature operation control:
when the second thermosensitive switch detects that the temperature in the pump station cylinder is not lower than a preset value, high-temperature operation control is adopted: the primary side valve and the secondary side valve are closed, the photovoltaic hot water module is only used for converting solar energy into electric energy and storing the electric energy in the storage battery, and the storage battery is converted into a water pump in the integrated pump station through the inverter to supply power;
when the second thermosensitive switch detects that the temperature in the pump station cylinder is lower than a preset value, low-temperature operation control is adopted: the solar water heater comprises a primary side valve, a secondary side valve, a photovoltaic hot water module, a storage battery and a control module, wherein the primary side valve and the secondary side valve are both opened, the primary side circulating water pump and the secondary side circulating water pump are both started, and the photovoltaic hot water module is used for converting solar energy into electric energy and storing the electric energy in the storage battery and converting the solar energy into heat energy to generate hot water; if the first thermosensitive switch detects that the water temperature in the water tank is lower than a temperature threshold value, the storage battery is converted into alternating current through the inverter and then supplies power to the electric heater, and the electric heater enables the water temperature in the water tank to be increased and changed into hot water; the hot water circulates in the photovoltaic heat source circulation loop under the drive of the primary side circulating water pump and transfers heat to the thermal compensation circulation loop through the heat exchanger, the thermal compensation circulation loop conveys the heat to the winding pipe of the integrated pump station cylinder through the secondary side circulating water pump, and the winding pipe is used for heating the integrated pump station cylinder to raise the temperature so as to prevent freezing.
Optionally, the photovoltaic hot water module is provided with a cleaning mechanism, and the cleaning mechanism comprises a walking frame, a brush, a servo motor, a transmission chain, two screws and two chain wheels;
the two screw rods are arranged on two sides of a solar panel of the photovoltaic hot water module in parallel, opposite ends of the two screw rods are respectively fixed with a chain wheel, the two chain wheels are connected through a transmission chain, the servo motor is in transmission connection with one of the screw rods, and the servo motor is electrically connected with the integrated controller;
the walking frame is located solar panel's sunny side and both ends are connected with the screw rod cooperation, the brush is fixed at walking frame and solar panel opposite side, and brush and solar panel surface contact.
Optionally, the insulating layer comprises a first half wrapping part and a second half wrapping part, and the first half wrapping part and the second half wrapping part are provided with opening and closing mechanisms capable of separating or combining the first half wrapping part and the second half wrapping part;
fans are arranged on the outer sides of two joints of the first half wrapping part and the second half wrapping part, the fans are fixedly connected with the opening and closing mechanism, the blowing directions of the fans are consistent, and the fans are electrically connected with the integrated controller;
when the opening and closing mechanism separates the first half wrapping part from the second half wrapping part, the fan is over against the opening positions of the first half wrapping part and the second half wrapping part.
Optionally, the opening and closing mechanism comprises a bracket, a magnet, a driving device and a rotating rod, the driving device is electrically connected with the integrated controller, and the driving device is in transmission connection with one end of the rotating rod;
the first half wrapping part and the second half wrapping part are connected with the bracket in a sliding mode, and two combining parts of the first half wrapping part and the second half wrapping part are respectively and correspondingly provided with a vertical groove;
the vertical groove is provided with a magnet, and the first half-wrapping part and the second half-wrapping part are combined under the magnetic attraction effect of the magnet;
the rotary rod is arranged at the position of the vertical groove, the driving device drives the rotary rod to rotate by 90 degrees, and the first half wrapping part and the second half wrapping part move reversely and are separated when the rotary rod rotates.
The utility model discloses an integration pump station anti-freezing system based on photovoltaic hydrologic cycle combines photovoltaic hot water circulating system and integration pump station together, switches over different operational modes under different ambient temperature, when ambient temperature is lower, realizes the heating to integration pump station barrel through solar energy conversion and twice endless heat transport, prevents effectively that the barrel from freezing; on the other hand, solar energy can be converted into electric energy for power supply, the clean energy of the solar energy is fully utilized, and the aim of preventing the integrated water pump station from being frozen is fulfilled while energy is saved.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of an integrated pump station anti-freezing system based on photovoltaic water circulation in an embodiment of the present invention;
fig. 2 is a schematic diagram of a cleaning mechanism adopted by a photovoltaic hot water module of the photovoltaic water circulation-based integrated pump station anti-freezing system of the present invention;
fig. 3 is the utility model discloses an integration pump station barrel heat preservation of system embodiment prevents frostbite based on photovoltaic hydrologic cycle adopts mechanism and fan schematic diagram for the heat dissipation that opens and shuts.
In the figure: the device comprises a winding pipe 1, a secondary side circulating water pump 2, a heat exchanger 3, a secondary side valve 4, an integrated pump station cylinder 5, a primary side circulating water pump 6, a water tank 7, a primary side valve 8, a photovoltaic hot water module 9, an electric heater 10, a first thermal switch 11, a power cabinet 12, an integrated controller 13, a second thermal switch 14, a walking frame 15, a brush 16, a screw 17, a chain wheel 18, a transmission chain 19, a servo motor 20, a first half wrapping part 21, a second half wrapping part 22, an opening and closing mechanism 23, a fan 24, a support 25, a driving device 26, a rotating rod 27 and a vertical groove 28.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
As shown in fig. 1, an embodiment of the utility model provides an integrated pump station anti-freezing system based on photovoltaic water circulation, including thermal compensation circulation loop, photovoltaic heat source circulation loop, photovoltaic heating circuit and control subsystem;
the heat compensation circulation loop comprises a winding pipe 1 of an integrated pump station cylinder 5, a secondary side circulating water pump 2, a secondary side of a heat exchanger 3 and a secondary side valve 4 which are connected in sequence;
the photovoltaic heat source circulation loop comprises a primary side of the heat exchanger 3, a primary side circulating water pump 6, a water tank 7, a primary side valve 8 and a photovoltaic hot water module 9 which are connected in sequence;
the heating circuit comprises an electric heater 10, a first thermal switch 11, a power cabinet 12 and a photovoltaic hot water module 9 which are sequentially connected in series, wherein a storage battery and an inverter which are mutually connected are arranged in the power cabinet 12, and the electric heater 10 and the first thermal switch 11 are arranged in the water tank 7;
the control subsystem comprises an integrated controller 13, the integrated controller 13 is respectively electrically connected with a primary side circulating water pump 6, a secondary side circulating water pump 2, a primary side valve 8, a secondary side valve 4, a first thermal switch 11, a second thermal switch 14 and a power cabinet 12, the second thermal switch 14 is installed on the barrel 5, and the integrated controller 13 controls the system to operate.
The working principle and the beneficial effects of the technical scheme are as follows: according to the scheme, the photovoltaic hot water circulating system and the integrated water pump station are combined together, different operation modes are switched at different environmental temperatures, when the environmental temperature is low, the heating of the integrated water pump station cylinder is realized through solar energy conversion and twice circulating heat transfer, and the cylinder is effectively prevented from being frozen; on the other hand, solar energy can be converted into electric energy for power supply, the clean energy of the solar energy is fully utilized, and the aim of preventing the integrated water pump station from being frozen is fulfilled while energy is saved.
In one embodiment, when the second thermal switch detects that the temperature of the integrated pump station cylinder is lower than a preset temperature, the integrated controller controls the primary side valve and the secondary side valve to be opened, and simultaneously starts the primary side circulating water pump and the secondary side circulating water pump, and the photovoltaic hot water module converts solar energy into electric energy and stores the electric energy in the storage battery and converts the solar energy into heat energy to generate hot water; if the first thermosensitive switch detects that the water temperature in the water tank is lower than a temperature threshold value, the storage battery is converted into alternating current through the inverter and then supplies power to the electric heater, and the electric heater enables the water temperature in the water tank to be increased and changed into hot water; the hot water circulates in the photovoltaic heat source circulation loop under the drive of the primary side circulating water pump and transfers heat to the thermal compensation circulation loop through the heat exchanger, the thermal compensation circulation loop conveys the heat to the winding pipe of the integrated pump station cylinder through the secondary side circulating water pump, and the winding pipe is used for heating the integrated pump station cylinder to raise the temperature so as to prevent freezing.
The working principle and the beneficial effects of the technical scheme are as follows: the scheme provides an optional system operation control mode for preventing freezing of the integrated water pump station, the operation control mode can make full use of solar energy, the anti-freezing requirement under the condition of insufficient solar illumination can be considered through an energy storage mode, the condition of insufficient freezing prevention is prevented, and the reliability of equipment operation is improved.
In one embodiment, the heat exchanger is a plate heat exchanger or a shell-and-tube heat exchanger; the primary side valve and the secondary side valve are both electric switch valves; the primary side circulating water pump and the secondary side circulating water pump both adopt variable frequency water pumps; the winding pipe outside of integration pump station barrel is equipped with the heat preservation, the heat preservation adopts insulation material to wrap up integration pump station barrel and winding pipe and keep warm.
The working principle and the beneficial effects of the technical scheme are as follows: the scheme provides the selection types of the heat exchanger, the valve and the water pump, and the automatic control of the valve can be realized by adopting the electric switch valve, so that the manual operation error caused by a manual mode is avoided; the variable frequency water pump is adopted, so that the operation of the water pump can be adjusted according to the heat demand difference reflected by the temperature difference, the energy consumption of the water pump is reduced under the condition of ensuring the anti-freezing condition, and the energy is further saved.
In one embodiment, the integrated controller comprises two control modes of high-temperature operation control and low-temperature operation control:
when the second thermosensitive switch detects that the temperature in the pump station cylinder is not lower than a preset value, high-temperature operation control is adopted: the primary side valve and the secondary side valve are closed, the photovoltaic hot water module is only used for converting solar energy into electric energy and storing the electric energy in the storage battery, and the storage battery is converted into a water pump in the integrated pump station through the inverter to supply power;
when the second thermosensitive switch detects that the temperature in the pump station cylinder is lower than a preset value, low-temperature operation control is adopted: the solar water heater comprises a primary side valve, a secondary side valve, a photovoltaic hot water module, a storage battery and a control module, wherein the primary side valve and the secondary side valve are both opened, the primary side circulating water pump and the secondary side circulating water pump are both started, and the photovoltaic hot water module is used for converting solar energy into electric energy and storing the electric energy in the storage battery and converting the solar energy into heat energy to generate hot water; if the first thermosensitive switch detects that the water temperature in the water tank is lower than a temperature threshold value, the storage battery is converted into alternating current through the inverter and then supplies power to the electric heater, and the electric heater enables the water temperature in the water tank to be increased and changed into hot water; the hot water circulates in the photovoltaic heat source circulation loop under the drive of the primary side circulating water pump and transfers heat to the thermal compensation circulation loop through the heat exchanger, the thermal compensation circulation loop conveys the heat to the winding pipe of the integrated pump station cylinder through the secondary side circulating water pump, and the winding pipe is used for heating the integrated pump station cylinder to raise the temperature so as to prevent freezing.
The working principle and the beneficial effects of the technical scheme are as follows: this scheme is through setting up two kinds of control modes of high temperature operation control and low temperature operation control in integrated controller to the operation requirement under the different ambient temperature condition of adaptation, when high temperature need not prevent frostbite, all turn into the electric energy with the solar energy of receiving and be used for the electric power demand of water pump in the integration pump station, realized clean energy's make full use of.
In one embodiment, as shown in fig. 2, the photovoltaic hot water module is provided with a cleaning mechanism comprising a walking frame 15, a brush 16, a servo motor 20, a transmission chain 19, two screws 17 and two chain wheels 18;
the two screw rods 17 are arranged on two sides of the solar panel of the photovoltaic hot water module 9 in parallel, opposite ends of the two screw rods 17 are respectively fixed with a chain wheel 18, the two chain wheels 18 are connected through a transmission chain 19, the servo motor 20 is in transmission connection with one screw rod 17, and the servo motor 20 is electrically connected with the integrated controller 13;
the walking frame 15 is located the sunny side of solar panel and both ends are connected with screw 17 cooperation, brush 16 is fixed at walking frame 15 and solar panel opposite side, and brush 16 and solar panel surface contact face.
The working principle and the beneficial effects of the technical scheme are as follows: according to the cleaning mechanism, the length of the screw exceeds the size of the solar panel, namely the two ends of the screw extend out of the edge of the solar panel, when the cleaning mechanism is not used, the walking frame stops outside the edge of the solar panel to prevent sunlight, when the cleaning mechanism is used, the two parallel screws are synchronously placed through the transmission chain under the driving of the servo motor, the walking frame is matched with the screw, and the rotation of the screw enables the walking frame to move along the screw on the sunny side of the solar panel of the photovoltaic hot water module, so that the brush is driven to clean the sunny side of the solar panel, dust on the surface is removed, and the efficiency of the solar panel is guaranteed for a long time; the servo motor is electrically connected with the integrated controller, the integrated controller can start the servo motor to perform cleaning work according to a set time period, and the servo motor can rotate in a forward direction and a reverse direction; in addition, the integrated controller can also evaluate and calculate the efficiency attenuation condition of the solar panel through detection data, and if the efficiency attenuation of the solar panel reaches a set threshold value side, the servo motor is started to perform cleaning work.
In one embodiment, as shown in fig. 3, the insulating layer comprises a first half-wrapping portion 21 and a second half-wrapping portion 22, and the first half-wrapping portion 21 and the second half-wrapping portion 22 are provided with an opening and closing mechanism 23 capable of separating or combining the two;
when the opening and closing mechanism 23 separates the first half wrapping portion 21 and the second half wrapping portion 22, the fan 24 faces the opening position of both the first half wrapping portion 21 and the second half wrapping portion 22.
The working principle and the beneficial effects of the technical scheme are as follows: according to the scheme, the heat insulation layer is divided into two half parts, and the opening and closing mechanism is arranged for separating or combining the two half parts; when the environmental temperature is lower, the opening and closing mechanism combines the two half parts to form integral wrapping heat preservation for the integrated pump station cylinder; when the environmental temperature is high, the opening and closing mechanism opens the two half parts, and starts the fans arranged at the opened opening positions, wherein the fan at one opening position blows air to the outer surface of the integrated pump station cylinder for cooling, the fan at the other opening position discharges hot air reduced for the outer surface of the integrated pump station cylinder, the fans are started to operate only when the two half parts of the heat preservation layer are opened, and certainly, if the two half parts are opened, the integrated pump station can meet the operating temperature requirement of the water pump therein through natural heat dissipation, the fans can not be started, and the fans are started only when the operating temperature requirement of the water pump therein can not be met through natural heat dissipation, so that the energy consumption is saved; this scheme lets integration pump station can adapt to high temperature environment and low temperature environment, can avoid the water pump in the integration pump station to break down or damage because of the high temperature, can avoid the frost crack at low temperature environment.
In one embodiment, as shown in fig. 3, the opening and closing mechanism 23 includes a bracket 25, a magnet, a driving device 26 and a rotating rod 27, the driving device 26 is electrically connected to the integrated controller 13, and one end of the driving device 26 and one end of the rotating rod 27 are in transmission connection;
the first half-wrapped part 21 and the second half-wrapped part 22 are both connected with a bracket 25 in a sliding manner, and two combined parts of the first half-wrapped part 21 and the second half-wrapped part 22 are respectively and correspondingly provided with a vertical groove 28;
the vertical groove 28 is provided with a magnet (not shown in the figure), and the first half-wrapping part 21 and the second half-wrapping part 22 are combined under the magnetic attraction effect of the magnet;
the rotating rod 27 is arranged at the position of the vertical groove 28, the driving device 26 drives the rotating rod 27 to rotate 90 degrees, and the rotating rod 27 rotates to enable the first half-wrapping part 21 and the second half-wrapping part 22 to move reversely and separate.
The working principle and the beneficial effects of the technical scheme are as follows: the scheme provides an optional structural form of the opening and closing mechanism, and the magnet is arranged at the joint part of the heat-insulating layer divided into two half parts to automatically combine the two half parts so as to meet the anti-freezing requirement in the operation in the low-temperature environment; through the driving device and the rotating rod, opposite thrust is formed on the two half parts through the rotation of the rotating rod, so that the heat insulation layer is divided into the two half parts to be opened, and the operation in a high-temperature environment is adapted; the support is an installation support body and a guide rail when the heat-insulating layer is divided into two half parts to move, and the judgment and control of heat insulation or heat dissipation of the integrated pump station are determined by a control mode and logic built in the integrated controller.
The utility model discloses an integration pump station system of preventing frostbite based on photovoltaic hydrologic cycle. The system comprises a cylinder thermal compensation circulation loop, a photovoltaic heat source circulation loop, a photovoltaic heating circuit and a control subsystem of the integrated pump station. The cylinder thermal compensation circulation loop comprises a winding pipe wound around the cylinder, a secondary side circulating water pump, a heat exchanger secondary side and a secondary side valve; the photovoltaic heat source circulation loop comprises a heat exchanger primary side, a primary side circulating water pump, a water tank, a primary side valve and a photovoltaic hot water module; the photovoltaic heating circuit comprises an electric heater, a first thermosensitive switch, a photovoltaic hot water module, a storage battery and an inverter which are connected in series, wherein the electric heater and the first thermosensitive switch are arranged in the water tank and used for storing and converting energy; the control subsystem comprises an integrated controller, the integrated controller is respectively connected with the primary side circulating water pump, the secondary side circulating water pump, the primary side valve, the secondary side valve, the first thermosensitive switch, the second thermosensitive switch, the storage battery and the inverter, the second thermosensitive switch is installed in the cylinder, and the integrated controller controls the overall operation of the system.
When in use, the whole system is controlled by the integrated controller. When the second thermosensitive switch in the integrated pump station cylinder detects that the temperature is lower than the preset temperature, the valves are all opened, and the circulating water pump is all opened. On one hand, water in the photovoltaic heat source circulation loop firstly enters the photovoltaic hot water module under the action of the primary side circulating water pump, indirectly absorbs solar energy and is converted into hot water through forced convection. Hot water enters the primary side of the heat exchanger through a valve, performs countercurrent forced convection heat exchange with cold water on the secondary side of the heat exchanger, and then returns to the water tank.
The cold water in the cylinder heat compensation circulation loop is heated at the secondary side of the heat exchanger and becomes hot water. Under the action of the secondary side circulating water pump, hot water enters the winding pipe around the cylinder body, exchanges heat with the cylinder body, and then returns to the secondary side of the heat exchanger to absorb heat again. The thermal compensation circulation of the integrated pump station cylinder is realized, and the cylinder is prevented from being frozen.
In the photovoltaic heating circuit, the photovoltaic hot water module absorbs solar energy, converts the solar energy into electric energy and stores the electric energy in the battery, and the battery supplies energy for the electric heater in the water tank through the inverter at night or when sunlight is insufficient. The stable and continuous heat of the integrated pump station cylinder is ensured to be obtained, and the freezing is avoided.
The utility model discloses a system can be equipped with two kinds of mode:
1. high temperature regime
And when the second thermosensitive switch detects that the temperature in the pump station cylinder is not lower than a preset value, all valves of the system are closed. At the moment, the photovoltaic hot water module is only used for generating electric energy and storing the electric energy in the storage battery, and the storage battery is converted into a water pump in the integrated pump station for supplying power through the inverter.
2. Low temperature operating mode
When the second thermal switch detects that the temperature in the pump station cylinder is lower than the preset value, all the valves are opened. At this time, the photovoltaic hot water module converts solar energy into electric energy and generates hot water, the electric energy is stored in the battery, and the battery supplies power to the electric heater in the water tank at night or when the light is insufficient. The hot water is used for the heat compensation circulation of the integrated pump station cylinder.
The system combines a photovoltaic hot water circulation system and an integrated sewage/rainwater pump station together. The integrated pump station can be switched to different operation modes at different environmental temperatures, freezing is effectively prevented, and power is supplied all the year round (on one hand, power support is provided for operation of the pump in a high-temperature operation mode, on the other hand, the photovoltaic hot water module converts solar energy into electric energy to generate hot water, the electric energy is stored in the battery, and the battery provides electric energy for the electric heater in the water tank in a low-temperature operation mode). The utility model discloses a reasonable pipeline planning and renewable energy's the utilization process design realize energy-conservingly, have reduced the use of commercial power, have good energy-conserving space and more extensive practical value.
Compared with the prior art, the utility model has the advantages of it is following:
1. better anti-freezing effect and higher customer satisfaction. The system makes full use of solar energy, and fully exchanges heat for the low-temperature integrated pump station through the two heat exchange loops, so that the problem of freezing inside the integrated pump station is effectively avoided.
2. The higher the photovoltaic utilization efficiency, the greater the energy saving potential of the system. The photovoltaic hot water module converts solar energy into electricity and heat, and the tube plate structure of the photovoltaic hot water module enables cold water in the copper tube to take away most of heat on the surface of the module in the flowing process, so that the temperature of the photovoltaic hot water module is reduced, and the photovoltaic hot water module has higher overall efficiency due to low temperature. At night or when illumination is not enough, the electric energy stored in the storage battery provides electric energy for the electric heater in the water tank, and the stable and continuous thermal compensation of the integrated pump station can be ensured.
3. The system has high overall economic benefit. In the fields of renewable energy sources and energy conservation and emission reduction, the current situations of energy conservation potential reduction and cost increase exist due to problem control. The breakthrough potential of a single technology is not great, but the system integration innovation demonstration of various prior arts has important value.
The utility model discloses a be applied to the technique application in the system that prevents frostbite of integration pump station with solar photovoltaic, utilize the process flow design through reasonable pipeline planning and renewable energy and realize energy-conservation, reduce the use of extra high-grade electric energy, whole journey has reduced the energy consumption. To the problem of preventing frostbite of integration pump station, the utility model discloses fine energy-conserving space and wider practical value have. The system has higher comprehensive economic benefit.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. An integrated pump station anti-freezing system based on photovoltaic water circulation is characterized by comprising a thermal compensation circulation loop, a photovoltaic heat source circulation loop, a photovoltaic heating circuit and a control subsystem;
the heat compensation circulation loop comprises a winding pipe of an integrated pump station cylinder, a secondary side circulating water pump, a secondary side of a heat exchanger and a secondary side valve which are connected in sequence;
the photovoltaic heat source circulation loop comprises a primary side of a heat exchanger, a primary side circulating water pump, a water tank, a primary side valve and a photovoltaic hot water module which are connected in sequence;
the heating circuit comprises an electric heater, a first thermosensitive switch, a power cabinet and a photovoltaic hot water module which are sequentially connected in series, wherein a storage battery and an inverter which are mutually connected are arranged in the power cabinet, and the electric heater and the first thermosensitive switch are arranged in the water tank;
the control subsystem comprises an integrated controller, the integrated controller is respectively and electrically connected with the primary side circulating water pump, the secondary side circulating water pump, the primary side valve, the secondary side valve, the first thermosensitive switch, the second thermosensitive switch and the power cabinet, the second thermosensitive switch is installed on the barrel, and the integrated controller controls the system to operate.
2. The integrated pump station anti-freezing system based on photovoltaic water circulation according to claim 1, wherein when the second thermal switch detects that the temperature of the integrated pump station cylinder is lower than a preset temperature, the integrated controller controls the primary side valve and the secondary side valve to be opened, and simultaneously starts the primary side circulating water pump and the secondary side circulating water pump, and the photovoltaic hot water module converts solar energy into electric energy and stores the electric energy in the storage battery and converts the solar energy into heat energy to generate hot water; if the first thermosensitive switch detects that the water temperature in the water tank is lower than a temperature threshold value, the storage battery is converted into alternating current through the inverter and then supplies power to the electric heater, and the electric heater enables the water temperature in the water tank to be increased and changed into hot water; the hot water circulates in the photovoltaic heat source circulation loop under the drive of the primary side circulating water pump and transfers heat to the thermal compensation circulation loop through the heat exchanger, the thermal compensation circulation loop conveys the heat to the winding pipe of the integrated pump station cylinder through the secondary side circulating water pump, and the winding pipe is used for heating the integrated pump station cylinder to raise the temperature so as to prevent freezing.
3. The integrated pump station anti-freezing system based on photovoltaic water circulation is characterized in that the heat exchanger is a plate heat exchanger or a shell-and-tube heat exchanger.
4. The integrated pump station anti-freezing system based on photovoltaic water circulation according to claim 1, wherein the primary side valve and the secondary side valve are both electric switch valves.
5. The integrated pump station anti-freezing system based on photovoltaic water circulation according to claim 1, wherein the primary side water circulating pump and the secondary side water circulating pump both adopt variable frequency water pumps.
6. The integrated pump station anti-freezing system based on photovoltaic water circulation according to claim 1, wherein a heat insulation layer is arranged on the outer side of the winding pipe of the integrated pump station cylinder, and the heat insulation layer is made of heat insulation materials to wrap the integrated pump station cylinder and the winding pipe for heat insulation.
7. The integrated pump station anti-freezing system based on photovoltaic water circulation according to claim 1, wherein the integrated controller comprises two control modes of high-temperature operation control and low-temperature operation control:
when the second thermosensitive switch detects that the temperature in the pump station cylinder is not lower than a preset value, high-temperature operation control is adopted: the primary side valve and the secondary side valve are closed, the photovoltaic hot water module is only used for converting solar energy into electric energy and storing the electric energy in the storage battery, and the storage battery is converted into a water pump in the integrated pump station through the inverter to supply power;
when the second thermosensitive switch detects that the temperature in the pump station cylinder is lower than a preset value, low-temperature operation control is adopted: the solar water heater comprises a primary side valve, a secondary side valve, a photovoltaic hot water module, a storage battery and a control module, wherein the primary side valve and the secondary side valve are both opened, the primary side circulating water pump and the secondary side circulating water pump are both started, and the photovoltaic hot water module is used for converting solar energy into electric energy and storing the electric energy in the storage battery and converting the solar energy into heat energy to generate hot water; if the first thermosensitive switch detects that the water temperature in the water tank is lower than a temperature threshold value, the storage battery is converted into alternating current through the inverter and then supplies power to the electric heater, and the electric heater enables the water temperature in the water tank to be increased and changed into hot water; the hot water circulates in the photovoltaic heat source circulation loop under the drive of the primary side circulating water pump and transfers heat to the thermal compensation circulation loop through the heat exchanger, the thermal compensation circulation loop conveys the heat to the winding pipe of the integrated pump station cylinder through the secondary side circulating water pump, and the winding pipe is used for heating the integrated pump station cylinder to raise the temperature so as to prevent freezing.
8. The integrated pump station anti-freezing system based on photovoltaic water circulation according to claim 1, wherein the photovoltaic hot water module is provided with a cleaning mechanism, and the cleaning mechanism comprises a walking frame, a brush, a servo motor, a transmission chain, two screws and two chain wheels;
the two screw rods are arranged on two sides of a solar panel of the photovoltaic hot water module in parallel, opposite ends of the two screw rods are respectively fixed with a chain wheel, the two chain wheels are connected through a transmission chain, the servo motor is in transmission connection with one of the screw rods, and the servo motor is electrically connected with the integrated controller;
the walking frame is located solar panel's sunny side and both ends are connected with the screw rod cooperation, the brush is fixed at walking frame and solar panel opposite side, and brush and solar panel surface contact.
9. The integrated pump station anti-freezing system based on photovoltaic water circulation is characterized in that the heat-insulating layer comprises a first half wrapping part and a second half wrapping part, and the first half wrapping part and the second half wrapping part are provided with opening and closing mechanisms capable of separating or combining the first half wrapping part and the second half wrapping part;
fans are arranged on the outer sides of two joints of the first half wrapping part and the second half wrapping part, the fans are fixedly connected with the opening and closing mechanism, the blowing directions of the fans are consistent, and the fans are electrically connected with the integrated controller;
when the opening and closing mechanism separates the first half wrapping part from the second half wrapping part, the fan is over against the opening positions of the first half wrapping part and the second half wrapping part.
10. The integrated pump station anti-freezing system based on photovoltaic water circulation is characterized in that the opening and closing mechanism comprises a support, a magnet, a driving device and a rotating rod, the driving device is electrically connected with the integrated controller, and the driving device is in transmission connection with one end of the rotating rod;
the first half wrapping part and the second half wrapping part are connected with the bracket in a sliding mode, and two combining parts of the first half wrapping part and the second half wrapping part are respectively and correspondingly provided with a vertical groove;
the vertical groove is provided with a magnet, and the first half-wrapping part and the second half-wrapping part are combined under the magnetic attraction effect of the magnet;
the rotary rod is arranged at the position of the vertical groove, the driving device drives the rotary rod to rotate by 90 degrees, and the first half wrapping part and the second half wrapping part move reversely and are separated when the rotary rod rotates.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121651712.1U CN215211475U (en) | 2021-07-20 | 2021-07-20 | Integrated pump station anti-freezing system based on photovoltaic water circulation |
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| CN202121651712.1U CN215211475U (en) | 2021-07-20 | 2021-07-20 | Integrated pump station anti-freezing system based on photovoltaic water circulation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115704225A (en) * | 2021-07-20 | 2023-02-17 | 赛莱默欧洲有限公司 | Integrated pump station anti-freezing system based on photovoltaic water circulation |
| CN116951521A (en) * | 2022-04-13 | 2023-10-27 | 赛莱默欧洲有限公司 | Integrated pump station comprehensive utilization system combined with solar heat pump |
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2021
- 2021-07-20 CN CN202121651712.1U patent/CN215211475U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115704225A (en) * | 2021-07-20 | 2023-02-17 | 赛莱默欧洲有限公司 | Integrated pump station anti-freezing system based on photovoltaic water circulation |
| CN116951521A (en) * | 2022-04-13 | 2023-10-27 | 赛莱默欧洲有限公司 | Integrated pump station comprehensive utilization system combined with solar heat pump |
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