CN216203663U - Building heating system utilizing terrestrial heat - Google Patents

Building heating system utilizing terrestrial heat Download PDF

Info

Publication number
CN216203663U
CN216203663U CN202122357593.5U CN202122357593U CN216203663U CN 216203663 U CN216203663 U CN 216203663U CN 202122357593 U CN202122357593 U CN 202122357593U CN 216203663 U CN216203663 U CN 216203663U
Authority
CN
China
Prior art keywords
water
heat
electric contact
insulating
contact block
Prior art date
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.)
Expired - Fee Related
Application number
CN202122357593.5U
Other languages
Chinese (zh)
Inventor
王蕾
贾晓劢
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202122357593.5U priority Critical patent/CN216203663U/en
Application granted granted Critical
Publication of CN216203663U publication Critical patent/CN216203663U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/40Geothermal heat-pumps
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/12Hot water central heating systems using heat pumps
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/10Geothermal energy

Landscapes

  • Heat-Pump Type And Storage Water Heaters (AREA)

Abstract

The utility model discloses a building heat supply system utilizing terrestrial heat, which comprises a ground source heat pump unit, a heat exchange tube and a water tank, wherein the left side of the water tank is connected with a water return tube and a water outlet tube, the water return tube and the water outlet tube are respectively connected with two ends of the heat exchange tube through the ground source heat pump unit, the water return tube is provided with a first water pump, the water outlet tube is provided with a second water pump, the left side of the top of the water tank is penetrated by a water pumping tube, the right side of the top of the water tank is connected with a water supplementing tube, the water pumping tube is provided with a third water pump, the water supplementing tube is provided with a fourth water pump, the right side in the water tank is provided with a temperature detection assembly, and the top in the water tank is provided with a liquid level detection assembly; detect the temperature in the water tank through the temperature detect subassembly, when the temperature is lower, first water pump and second water pump start, flow into in the heat transfer pipe via ground source heat pump set, carry out the heat transfer, when the temperature reaches a definite value, the third water pump starts, and the third water pump is taken hot water out, carries out the heat supply to the building.

Description

Building heating system utilizing terrestrial heat
Technical Field
The utility model relates to the technical field of geothermal heat supply, in particular to a building heat supply system utilizing geothermal heat.
Background
Geothermal heat generally refers to the temperature of the earth, which is a general term for the temperature of the soil at the surface of the earth and at different depths below the surface of the earth. In degrees celsius. The ground temperature refers to the temperature of a thermometer arranged on the ground at the ventilating and drying position of a brewing workshop. The geothermal energy is the heat energy accumulated in the earth, and is a renewable energy source which is safe, stable, widely distributed, clean, low-carbon and abundant in reserves. The 'thirteen-five' plan for developing and utilizing geothermal energy clearly proposes that the increment of geothermal energy utilization is one third of the increment of non-fossil energy, so that the development and utilization of geothermal energy are greatly promoted, the pollutant emission is reduced, the ecological environment is improved, and the energy structure of China can be effectively adjusted, thereby achieving the overall requirements of advanced technology, environmental protection, economy and feasibility and realizing the sustainable development of the economic society.
At present, the utilization of terrestrial heat generally exchanges heat with terrestrial heat and cold water through a heat exchange tube, hot water is stored through a water tank, then heat supply is carried out on a building, but real-time monitoring on the temperature in the water tank is difficult, and the hot water cannot be timely sent into the building for heat supply, so that energy waste can be caused.
Based on this, the present invention has been devised to solve the above-mentioned problems by designing a building heating system using geothermal heat.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a building heating system utilizing geothermal energy, which detects the temperature of water in a water tank through a temperature detection assembly, when the temperature of the water is low, a first water pump and a second water pump are started, the second water pump pumps out the water in the water tank through a water outlet pipe, the water flows into a heat exchange pipe through a ground source heat pump unit to exchange heat, when the temperature of the water reaches a certain value, a third water pump is started, the third water pump pumps out hot water to supply heat to a building, energy waste can be avoided, the water amount in the water tank is detected through a liquid level detection assembly, and when the water amount is small, a fourth water pump is started to supplement new water into the water tank, so as to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an utilize geothermol power's building heating system, includes ground source heat pump set, heat exchange tube and water tank, the underground is located to the heat exchange tube, the water tank left side is connected with the wet return, the wet return is connected with the one end of heat exchange tube through ground source heat pump set, the water tank left side is connected with the outlet pipe, the outlet pipe is connected with the other end of heat exchange tube through ground source heat pump set, be equipped with first water pump on the wet return, be equipped with the second water pump on the outlet pipe, there is the drinking-water pipe to pass on the left of water tank top, water tank top right side is connected with the moisturizing pipe, be equipped with the third water pump on the drinking-water pipe, be equipped with the fourth water pump on the moisturizing pipe, the right side is equipped with temperature-detecting component in the water tank, the top is equipped with liquid level detection subassembly in the water tank.
Preferably, the temperature detection assembly comprises a heat insulation shell, a heat conduction cylinder penetrates through the bottom of the heat insulation shell, mercury is filled in the heat conduction cylinder, a piston is arranged in the heat conduction cylinder, a connecting rod is fixedly connected to the top of the piston, an insulation board is fixedly connected to the top end of the connecting rod and connected with the inner top wall of the heat insulation shell through a spring, a first electrical contact block is arranged on the insulation board, an insulation seat is fixedly connected to the inner top wall of the heat insulation shell, a second electrical contact block is arranged at the bottom of the insulation seat, a third electrical contact block is arranged on the left side of the bottom of the insulation board, and a fourth electrical contact block corresponding to the third electrical contact block is arranged on the left side of the inner side of the heat insulation shell.
Based on the technical characteristics, when the temperature of the water is low, the third electric contact block is in contact with the fourth electric contact block under the action of the elastic force of the spring, when the temperature of the water rises, the mercury pushes the piston to move, and when the temperature of the water reaches a certain value, the first electric contact block is in contact with the second electric contact block.
Preferably, a first storage battery, a first controller and a second controller are arranged in the heat insulation shell, the positive electrode of the first storage battery is electrically connected with the first controller and the first electric contact block, the negative electrode of the first storage battery is electrically connected with the second electric contact block, the positive electrode of the first storage battery is electrically connected with the second controller and the third electric contact block, and the negative electrode of the first storage battery is electrically connected with the fourth electric contact block.
Preferably, the first controller is in control connection with a third water pump, and the second controller is in control connection with the first water pump and the second water pump.
Based on the technical characteristics, when the water temperature is low, the second controller is electrified and started, the second controller controls the first water pump and the second water pump to be started, the second water pump pumps out water in the water tank through the water outlet pipe, when the water temperature reaches a certain value, the first controller is electrified and started, the first controller controls the third water pump to be started, and the third water pump pumps out hot water to supply heat to the building.
Preferably, the liquid level detection assembly comprises an insulating cylinder, the insulating cylinder is connected with the inner top wall of the water tank, an insulating rod penetrates through the bottom of the insulating cylinder, a sealing sleeve is arranged between the insulating rod and the insulating outer cylinder, a floating ball is fixedly connected to the bottom end of the insulating rod, a conducting strip is fixedly connected to the top end of the insulating rod, a fifth electric contact block is arranged on the left side of the inner lower portion of the insulating cylinder, and a sixth electric contact block is arranged on the right side of the inner lower portion of the insulating cylinder.
Preferably, a second storage battery and a third controller are arranged at the top in the insulating cylinder, the positive electrode of the second storage battery is electrically connected with the third controller and the fifth electric contact block, the negative electrode of the second storage battery is electrically connected with the sixth electric contact block, and the third controller is connected with a fourth water pump in a control mode.
Based on the technical characteristics, when the water in the water tank is reduced to a certain amount, the conducting strip is in contact with the fifth electric contact block and the sixth electric contact block, the third controller is electrified and started, and the third controller controls the fourth water pump to be started to supplement new water into the water tank.
Compared with the prior art, the utility model has the beneficial effects that:
the water level detection assembly is used for detecting the water temperature in the water tank, when the water temperature is low, the first water pump and the second water pump are started, the second water pump pumps water in the water tank through the water outlet pipe, the water flows into the heat exchange pipe through the ground source heat pump unit for exchange, when the water temperature reaches a certain value, the third water pump is started, the third water pump pumps hot water out to supply heat to a building, energy waste can be avoided, the water level detection assembly is used for detecting the water amount in the water tank, and when the water amount is low, the fourth water pump is started to supplement new water into the water tank.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the water tank of the present invention;
FIG. 3 is a schematic structural diagram of a temperature detecting assembly according to the present invention;
FIG. 4 is a schematic view of the liquid level detection assembly of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4, the present invention provides a technical solution of a building heating system using geothermal heat: comprises a ground source heat pump unit 1, a heat exchange pipe 3, a water tank 2, a water return pipe 5, a water outlet pipe 4 of the heat exchange pipe 3, a first water pump 7, a second water pump 6, a water pumping pipe 8, a water supplementing pipe 11, a third water pump 9, a fourth water pump 10, a temperature detection component 12 and a liquid level detection component 13, wherein the temperature detection component 12 is used for detecting the temperature of water in the water tank 2, when the water temperature is lower, the first water pump 7 and the second water pump 6 are started, the second water pump 6 pumps out the water in the water tank 2 through the water outlet pipe 4, flows into the heat exchange tube 3 through the ground source heat pump unit 1 to exchange heat, when the water temperature reaches a certain value, the third water pump 9 is started, the third water pump 9 pumps out hot water, carry out the heat supply to the building, can avoid the waste of energy, detect the water yield in to water tank 2 through liquid level detection subassembly 13, when the water yield is less, fourth water pump 10 starts, mends new water to in the water tank 2.
The temperature detecting assembly 12 includes a heat insulating housing 121, a heat conducting cylinder 122 penetrates through the bottom of the heat insulating housing 121, mercury 123 is filled in the heat conducting cylinder 122, a piston 124 is arranged in the heat conducting cylinder 122, a connecting rod 125 is fixedly connected to the top of the piston 124, an insulating plate 126 is fixedly connected to the top end of the connecting rod 125, the insulating plate 126 is connected to the inner top wall of the heat insulating housing 121 through a spring 127, a first electrical contact block 128 is arranged on the insulating plate 126, an insulating base 129 is fixedly connected to the inner top wall of the heat insulating housing 121, a second electrical contact block 1210 is arranged at the bottom of the insulating base 129, the mercury 123 expands when the temperature of water in the water tank 2 rises, the piston 124 is pushed by the mercury 123 to move, when the temperature of the water reaches a certain value, the first electrical contact block 128 contacts with the second electrical contact block 1210, and a third electrical contact block 1211 is arranged on the left side of the bottom of the insulating plate 126, a fourth electric contact block 1212 corresponding to the third electric contact block 1211 is arranged at the left side in the heat insulation shell 121; a first storage battery 1213, a first controller 1214 and a second controller 1215 are arranged in the heat insulation shell 121, the positive pole of the first storage battery 1213 is electrically connected with the first controller 1214 and the first electric contact block 128, the negative pole of the first storage battery 1213 is electrically connected with the second electric contact block 1210, the positive pole of the first storage battery 1213 is electrically connected with the second controller 1215 and the third electric contact block 1211, and the negative pole of the first storage battery 1213 is electrically connected with the fourth electric contact block 1212; the first controller 1214 is connected with the third water pump 9 in a control mode, the second controller 1215 is connected with the first water pump 7 and the second water pump 6 in a control mode, when the temperature of water is low, the third electric contact 1211 is in contact with the fourth electric contact 1212 under the action of the elastic force of the spring 127, the second controller 1215 is electrified and started, the second controller 1215 is used for controlling the first water pump 7 and the second water pump 6 to be started, when the temperature of water is high, the first controller 1214 is used for controlling the third water pump 9 to be started, and the third water pump 9 is used for pumping hot water out to supply heat to the building.
The liquid level detection assembly 13 comprises an insulating cylinder 131, the insulating cylinder 131 is connected with the inner top wall of the water tank 2, an insulating rod 132 penetrates through the bottom of the insulating cylinder 131, a sealing sleeve 134 is arranged between the insulating rod 132 and the insulating outer cylinder, a floating ball 133 is fixedly connected to the bottom end of the insulating rod 132, a conducting strip 135 is fixedly connected to the top end of the insulating rod 132, a fifth electric contact block 136 is arranged on the left side of the inner lower part of the insulating cylinder 131, and a sixth electric contact block 137 is arranged on the right side of the inner lower part of the insulating cylinder 131; the top in the insulating cylinder 131 is provided with a second storage battery 138 and a third controller 139, the positive pole of the second storage battery 138 is electrically connected with the third controller 139 and the fifth electrical contact block 136, the negative pole of the second storage battery 138 is electrically connected with the sixth electrical contact block 137, the floating ball 133 drives the conducting strip 135 to move downwards through the insulating rod 132 along with the gradual reduction of water in the water tank 2, when the water in the water tank 2 is reduced to a certain amount, the conducting strip 135 is in contact with the fifth electrical contact block 136 and the sixth electrical contact block 137, the third controller 139 is electrified and started, the third controller 139 is in control connection with the fourth water pump 10, and when the water amount is small, the third controller 139 is in control of the start of the fourth water pump 10 to supplement new water into the water tank 2.
The specific working principle is as follows:
when the water heater is used, water is supplemented into the water tank 2, due to the fact that the temperature of the water is low, under the action of the elastic force of the spring 127, the third electric contact 1211 is in contact with the fourth electric contact 1212, the second controller 1215 is electrified to be started, the second controller 1215 controls the first water pump 7 and the second water pump 6 to be started, the second water pump 6 pumps the water in the water tank 2 through the water outlet pipe, the water flows into the heat exchange pipe 3 through the ground source heat pump unit 1 to exchange heat, the water temperature rises, under the action of the first water pump 7, the water after heat exchange flows into the water tank 2 through the water return pipe 5 to achieve temperature rise of the water in the water tank 2, the mercury 123 expands due to heating along with the rise of the water temperature in the water tank 2, the mercury 123 pushes the piston 124 to move, when the water temperature reaches a certain value, the first electric contact block 128 is in contact with the second electric contact 1210, the first controller 1214 is electrified to be started, the first controller 1214 controls the third water pump 9 to be started, the third water pump 9 pumps out hot water to supply heat to a building, the floating ball 133 drives the conducting strip 135 to move downwards through the insulating rod 132 along with the gradual reduction of water in the water tank 2, when the water in the water tank 2 is reduced to a certain amount, the conducting strip 135 is in contact with the fifth electric contact block 136 and the sixth electric contact block 137, the third controller 139 is electrified and started, and the third controller 139 controls the fourth water pump 10 to be started to supplement new water into the water tank 2.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims (6)

1. The utility model provides an utilize geothermol power's building heating system, includes ground source heat pump set (1), heat exchange tube (3) and water tank (2), underground, its characterized in that are located in heat exchange tube (3): the left side of the water tank (2) is connected with a water return pipe (5), the water return pipe (5) is connected with one end of the heat exchange pipe (3) through a ground source heat pump unit (1), the left side of the water tank (2) is connected with a water outlet pipe (4), the water outlet pipe (4) is connected with the other end of the heat exchange pipe (3) through a ground source heat pump unit (1), a first water pump (7) is arranged on the water return pipe (5), a second water pump (6) is arranged on the water outlet pipe (4), a water pumping pipe (8) penetrates through the left side of the top of the water tank (2), a water replenishing pipe (11) is connected to the right side of the top of the water tank (2), a third water pump (9) is arranged on the water pumping pipe (8), a fourth water pump (10) is arranged on the water replenishing pipe (11), the temperature detection assembly (12) is arranged on the right side in the water tank (2), and the liquid level detection assembly (13) is arranged at the top in the water tank (2).
2. A building heating system using geothermal heat according to claim 1, wherein: the temperature detection assembly (12) comprises a heat insulation shell (121), a heat conduction cylinder (122) penetrates through the bottom of the heat insulation shell (121), mercury (123) is filled in the heat conducting cylinder (122), a piston (124) is arranged in the heat conducting cylinder (122), the top of the piston (124) is fixedly connected with a connecting rod (125), the top end of the connecting rod (125) is fixedly connected with an insulating plate (126), the insulating plate (126) is connected with the inner top wall of the heat insulation shell (121) through a spring (127), a first electric contact block (128) is arranged on the insulating plate (126), an insulating seat (129) is fixedly connected with the inner top wall of the heat insulating shell (121), a second electric contact block (1210) is arranged at the bottom of the insulating seat (129), a third electric contact block (1211) is arranged on the left side of the bottom of the insulating plate (126), and a fourth electric contact block (1212) corresponding to the third electric contact block (1211) is arranged on the left side in the heat insulation shell (121).
3. A geothermal-based building heating system according to claim 2, wherein: a first storage battery (1213), a first controller (1214) and a second controller (1215) are arranged in the heat insulation shell (121), the positive electrode of the first storage battery (1213) is electrically connected with the first controller (1214) and the first electric contact block (128), the negative electrode of the first storage battery (1213) is electrically connected with the second electric contact block (1210), the positive electrode of the first storage battery (1213) is electrically connected with the second controller (1215) and the third electric contact block (1211), and the negative electrode of the first storage battery (1213) is electrically connected with the fourth electric contact block (1212).
4. A geothermal-based building heating system according to claim 3, wherein: the first controller (1214) is connected with the third water pump (9) in a control mode, and the second controller (1215) is connected with the first water pump (7) and the second water pump (6) in a control mode.
5. A building heating system using geothermal heat according to claim 1, wherein: the liquid level detection assembly (13) comprises an insulating cylinder (131), the insulating cylinder (131) is connected with the inner top wall of the water tank (2), an insulating rod (132) penetrates through the bottom of the insulating cylinder (131), a sealing sleeve (134) is arranged between the insulating rod (132) and the insulating outer cylinder, a floating ball (133) is fixedly connected to the bottom end of the insulating rod (132), a conducting strip (135) is fixedly connected to the top end of the insulating rod (132), a fifth electric contact block (136) is arranged on the left side of the inner lower portion of the insulating cylinder (131), and a sixth electric contact block (137) is arranged on the right side of the inner lower portion of the insulating cylinder (131).
6. A geothermal-based building heating system according to claim 5, wherein: the top is equipped with second battery (138) and third controller (139) in insulating cylinder (131), be connected between the positive pole of second battery (138) and third controller (139) and fifth electric contact piece (136), be connected between the negative pole of second battery (138) and sixth electric contact piece (137), fourth water pump (10) is connected in the control of third controller (139).
CN202122357593.5U 2021-09-28 2021-09-28 Building heating system utilizing terrestrial heat Expired - Fee Related CN216203663U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122357593.5U CN216203663U (en) 2021-09-28 2021-09-28 Building heating system utilizing terrestrial heat

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122357593.5U CN216203663U (en) 2021-09-28 2021-09-28 Building heating system utilizing terrestrial heat

Publications (1)

Publication Number Publication Date
CN216203663U true CN216203663U (en) 2022-04-05

Family

ID=80925571

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122357593.5U Expired - Fee Related CN216203663U (en) 2021-09-28 2021-09-28 Building heating system utilizing terrestrial heat

Country Status (1)

Country Link
CN (1) CN216203663U (en)

Similar Documents

Publication Publication Date Title
CN209742142U (en) Building wall structure capable of generating heat by self power generation
CN102818376B (en) Solar-electric automatic switching water heater
CN216203663U (en) Building heating system utilizing terrestrial heat
CN202253934U (en) Photovoltaic photo-thermal and geothermal heating system
CN201302216Y (en) Solar energy ground heating device
CN207569978U (en) Interior heating outer circulation electric heater
CN201145398Y (en) Solar individual heating hot-water apparatus
CN211952711U (en) Electric heating steam boiler
CN210345911U (en) Electric heater
CN103471255B (en) The solar water heating system of photovoltaic power supply
CN208442921U (en) High-frequency electromagnetic induction heating system
CN203036736U (en) Solar integration hot water system
CN208042502U (en) A kind of Intelligent pool ice-out system
CN206387117U (en) A kind of air energy timesharing moisturizing energy conserving system
CN104848349A (en) Solar heating heat-exchange unit
CN204693581U (en) Solar photovoltaic water pump constant temperature system
CN216694049U (en) Auxiliary heater for solar engineering
CN203036873U (en) Solar water heating system
CN216620302U (en) Swimming pool constant temperature heating system
CN204787315U (en) Solar water heater
CN203517987U (en) Single-family energy-saving heating system
CN202452566U (en) Solar heating and hot water system
CN211146915U (en) Solar warm water type gas water heater
CN213453578U (en) High-efficiency electromagnetic steam generator
CN213360071U (en) Intelligent wind-solar-thermal-storage complementary oil production water pipeline anti-freezing system

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20220405