Heating system supporting multi-unit expansion

Abstract

A heating system supporting multi-unit expansion. The heating system comprises: a heating unit (1) and at least one heated unit (2), the heating unit (1) comprising at least a heating element (11), a negative-pressure water circuit (12) and an output water circuit (13), wherein the heating element (11) is used for heating a fluid in the output water circuit (13), and the negative-pressure water circuit (12) and the output water circuit (13) constitute a circulating water circuit. The heating system can improve the energy utilization rate, and can also achieve a better water-heating effect.

Description

A heating system supporting multi-unit expansion Technical Field

[0001] This invention relates to the field of heating system technology, and in particular to a heating system that supports multi-unit expansion. Background Technology

[0002] A parking heater is a vehicle-mounted heating device independent of the car engine. It can preheat the vehicle's engine and passenger compartment without starting the engine, making it particularly suitable for low-temperature winter environments. It primarily heats the coolant in the radiator by burning fuel inside the vehicle, thereby heating the interior of the cabin and the engine.

[0003] Common types of heaters currently available include air heaters, such as the one disclosed in Chinese Patent Publication No. CN208458260U, and water heaters, such as the one disclosed in Chinese Patent Publication No. CN109736992A.

[0004] Regarding water heating, water heaters are more efficient than fan heaters. However, when used outdoors, a single water heater structure cannot support the expansion of heating elements in multiple tents. Considering the need to recover and reuse the high-temperature exhaust gas from water heaters to further optimize the water heating effect, we propose a heating system that supports multi-unit expansion.

[0005] Summary of the Invention

[0006] The purpose of this invention is to address the shortcomings of existing technologies, such as the inability of a single water heater structure to provide extended support for heating elements in multiple tents, and to propose a heating system that supports multi-unit expansion.

[0007] To achieve the above objectives, the present invention adopts the following technical solution:

[0008] Design a heating system that supports multi-unit expansion, including:

[0009] A heating unit and at least one heated unit;

[0010] The heating unit includes at least a heating element, a negative pressure water path, and an output water path, wherein the heating element is used to heat the fluid in the output water path, and the negative pressure water path and the output water path constitute a circulating water path.

[0011] At least one of the heating units is connected to the negative pressure water circuit and the output water circuit to obtain heat from the circulating water circuit.

[0012] Furthermore, the heating element is a water heater and a heat exchanger, and the input end of the heat exchanger is connected to the exhaust gas output end of the water heater.

[0013] Furthermore, it also includes an oil tank, which supplies oil to the water heater via an oil pump, and the oil tank is detachably connected to an oil tank cover.

[0014] Furthermore, the negative pressure water circuit includes a water tank, and a water tank cover is detachably connected to the top of the water tank. A return water pipe is connected between the water tank and the heating unit.

[0015] Furthermore, the output water path includes a water pump connected to the water tank pipeline, the output end of the water pump is connected to the input end of the heat exchanger, and an outlet pipe is provided on the output end of the heat exchanger.

[0016] Furthermore, the heating unit also includes a housing, in which the heating element, the negative pressure water passage, and the output water passage are all installed.

[0017] Furthermore, the heating unit is a water-heated blanket and / or a water-heated air conditioner and / or a water storage device and / or a vehicle-mounted window panel.

[0018] Furthermore, the water-cooled air conditioner includes a housing, a heat exchanger and a fan placed in the housing, and the input and output ends of the heat exchanger are respectively connected to a negative pressure water circuit and an output water circuit.

[0019] Furthermore, the heat exchanger includes two opposing hollow tubes, one of which is provided with a partition for separating the input and output ends, and a side cover connected between the two hollow tubes.

[0020] Multiple fins are fixedly installed between the two hollow tubes.

[0021] Furthermore, heat-conducting pipes are fixedly installed between adjacent fins, with both ends of the heat-conducting pipes extending into the interior of two hollow tubes.

[0022] The heating system proposed in this invention supports multi-unit expansion and has the following advantages: Compared with the fan heater, which has a large heat loss during the heating process, the water heater itself is a water boiler. The internal combustion chamber burns diesel to directly heat the circulating water in the boiler, thereby reducing heat loss. With the help of the exhaust gas of the water heater, the heat exchanger can preheat the water, which not only improves the energy utilization rate, but also achieves a better water heating effect.

[0023] Secondly, because the water is preheated and then reheated through circulation, it is more efficient in realizing water-based air conditioning and heating systems. Existing fan heaters and other outdoor heating equipment can generally only achieve a heating effect of one-to-two, while the main unit of the water heater can achieve a heating effect of one-to-three, one-to-four, or even one-to-five. This means that one water heater can heat multiple tents at the same time, thereby greatly improving its applicability and expandability when used outdoors.

[0024] The device of this invention not only provides hot water but also integrates a water-heated air conditioning and water-heated blanket heating system. Utilizing the feature of its water tank that uses negative pressure to repeatedly circulate and heat water, it is suitable for a wider range of applications, such as circulating and heating ton-sized swimming pool water for outdoor showers, bathing, saunas, and even artificial hot springs in the wild. The heat conversion efficiency, maximum supported temperature, runtime, safety, and convenience of this invention are significantly superior to existing outdoor gas water heaters and outdoor heating equipment. Furthermore, this invention is suitable for various complex weather conditions, including rain, snow, and sandstorms, achieving a multi-functional outdoor thermal energy solution applicable to all seasons. Attached Figure Description

[0025] Figure 1 is a schematic diagram of the structure of the present invention;

[0026] Figure 2 is a schematic diagram of the shell structure of the present invention;

[0027] Figure 3 is a schematic diagram of the structure of the water heater of the present invention;

[0028] Figure 4 is a schematic diagram of the oil pump structure of the present invention;

[0029] Figure 5 is a schematic diagram of the water-heated air conditioning structure of the present invention;

[0030] Figure 6 is a schematic diagram of the heat pipe structure of the present invention;

[0031] Figure 7 is a schematic diagram of the heat exchanger structure of the present invention;

[0032] Figure 8 is a perspective view of the heat exchange box of the present invention;

[0033] Figure 9 is a schematic diagram of the heat exchanger structure of the present invention;

[0034] Figure 10 is a schematic diagram of the vehicle-mounted window hanging plate structure of the present invention;

[0035] Figure 11 is a schematic diagram of the flexible strip structure of the present invention.

[0036] In the diagram: 1. Heating unit; 11. Heating element; 111. Water heater; 112. Heat exchanger; 113. Oil tank; 114. Oil pump; 115. Oil tank cover; 12. Negative pressure water circuit; 121. Water tank; 122. Water tank cover; 123. Return water pipe; 13. Output water circuit; 131. Water pump; 132. Water outlet pipe; 14. Shell; 15. Silencer; 2. Heating unit; 21. Water blanket; 22. Water-heated air conditioner; 221. Shell; 222. Heat exchanger; 2221. Hollow tube; 2222. Side cover; 2223. Fin; 2224. Heat pipe; 2225. Partition; 223. Fan; 23. Water storage device; 24. Vehicle-mounted window hanger; 25. Switch; 26. Heat exchange box; 27. Flexible strip. Detailed Implementation

[0037] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0038] Referring to Figures 1-6, an embodiment of the present invention is disclosed, which discloses a heating system that supports multi-unit expansion. This heating system is mainly used to solve the problem that traditional heaters cannot support multi-unit expansion outdoors, so that it can support heating multiple tents when used outdoors, achieving better applicability. Specifically, the heating system includes a heating unit 1 and at least one heating unit 2.

[0039] The heating unit 1 includes at least a heating element 11, a negative pressure water path 12, and an output water path 13, wherein the heating element 11 is used to heat the fluid in the output water path 13, and the negative pressure water path 12 and the output water path 13 constitute a circulating water path.

[0040] At least one of the heating units 2 is connected to the negative pressure water passage 12 and the output water passage 13 to obtain heat from the circulating water passage.

[0041] In some embodiments, the heating element 11 is a water heater 111 and a heat exchanger 112. The input end of the heat exchanger 112 is connected to the exhaust gas output end of the water heater 111. Specifically, the heat exchanger 112 described in this embodiment is prior art and will not be described in detail here. For details, please refer to the structural description of the heat exchanger 222 in this solution. The two have the same principle. In addition, in this embodiment, the high-temperature exhaust gas generated by the water heater 111 is used to heat the water flow, which can realize the recycling of exhaust gas and achieve the purpose of energy saving and environmental protection. In addition, a silencer 15 can be installed at the exhaust port of the heat exchanger 112 to reduce the emission noise.

[0042] In this embodiment, the heat exchanger 112 is installed in the heat exchange box 26. Only the front cover of the heat exchange box 26 is movable and can be tightened or disassembled by bolts. This is to facilitate the maintenance, upkeep, and even replacement of the heat exchanger 112 inside the heat exchange box 26 in the future.

[0043] In practical operation, the high-temperature exhaust gas generated by the water heater 111 enters the heat exchange box 26 and exchanges heat with the heat exchanger 112 inside the heat exchange box 26. The heat exchanger 112 transfers heat and heats the water flowing into it, thus achieving heat exchange. After heat exchange, the exhaust gas can be discharged through the exhaust port. Of course, those skilled in the art will know that in this embodiment, a pipe cap can be added to the end of the exhaust port. The pipe cap can be rotated and locked with bolts to seal the end of the exhaust pipe when no exhaust is needed. Preferably, the exhaust pipe in this embodiment is a circular pipe. Testing shows that the preferred heat exchanger 112 of this invention increases the hydrothermal efficiency of the water heater 111 by about 30%, ensuring that the exhaust gas temperature remains basically consistent with the outlet water temperature, i.e., the exhaust gas temperature is always below 100 degrees Celsius, achieving absolute safety in the discharge of waste heat energy during forest fire prevention. Due to the extremely high hydrothermal efficiency of this invention, it can support at least one-third of the heating effect in outdoor camping heating. This means that the invention can heat at least three tents simultaneously, and the inlet water temperature after heat dissipation by the water-heated air conditioner in each tent can always be maintained at the highest set temperature of 90 degrees Celsius, thereby greatly improving its applicability and expandability when used outdoors.

[0044] Referring to Figures 3 and 4, further, the heating element 11 in this embodiment also includes an oil tank 113. The oil tank 113 supplies oil to the water heater 111 through an oil pump 114. An oil tank cover 115 is detachably connected to the oil tank 113. Preferably, the oil tank cover 115 is connected to the oil tank 113 by a threaded connection. In this embodiment, the oil tank 113 is made of all-metal integral welding. The oil tank 113 is equipped with an oil-resistant two-way vent valve, which allows gas to pass through but prevents diesel fuel from leaking out. This ensures that even if the oil tank is tilted or inverted, there will be no oil leakage, truly achieving no oil leakage and no diesel smell.

[0045] Referring to Figure 3, based on the above embodiment, the negative pressure water circuit 12 in this embodiment includes a water tank 121. Preferably, the water tank 121 in this embodiment is made of all-metal integral welding. A water tank cover 122 is detachably connected to the top of the water tank 121. Of course, the water tank cover 122 in this embodiment can also be connected to the water tank 121 by a threaded connection. A return water pipe 123 is connected between the water tank 121 and the heating unit 2.

[0046] Above the water tank 121 is a one-way exhaust valve, the purpose of which is to allow the gas in the water tank 121 to be discharged outward in one direction, and to prevent it from entering the water tank 121. In addition, as mentioned above, when the water tank cover 122 is closed, the entire water circuit works in circulation, using the negative pressure generated in the water tank 121 to draw water, realizing water and electricity separation, and enabling continuous heating of the water in the water tank 121 after the water circuit circulates;

[0047] In addition, a one-way vent valve may not be required. The sealing or opening state of the entire water tank 121 can be adjusted by tightening or opening the water tank cover 122 to meet the requirements of negative pressure operation.

[0048] Referring to Figures 3 and 4, in some embodiments, the oil tank 113 and the water tank 121 are located on one side of the water heater 111 and are in contact with each other to achieve temperature transfer. The purpose of this contact design is that, since the water circuit can be heated during operation, the water flowing back into the water tank 121 is hot when the machine is running, so the oil tank 113 is always in a warm state. With the oil tank 113 always in a warm state, the working oil temperature of the machine is always maintained at a certain temperature, and the problem of low-temperature diesel waxing causing the machine to stop working in low-temperature environments will not occur, thus achieving beneficial weather resistance and environmental applicability.

[0049] Referring to Figures 3 and 4, in some embodiments, the present invention further includes a host controller. The controller is distributed on one side of the heating element 11 and is electrically connected to various electrical components, including a water pump 131, an oil pump 114, and the heating element 11, etc., for automatic control. The controller structure is existing technology and will not be described in detail here. Of course, in order to achieve further convenient control, the controller in this embodiment is wirelessly connected to a remote control, including a host remote control and a water pump remote control. The specific connection method can be set to Bluetooth connection, infrared connection, or WIFI connection, etc. This connection method is a conventional method for those skilled in the art and will not be described in detail here.

[0050] It also includes a detachable inspection cover, with the controller located inside the inspection cover. The overall structure is rainproof and dustproof, and due to the high internal temperature of the machine, it ensures the stability of the controller's LCD screen in low-temperature environments.

[0051] A combustion air pipe connected to the heating element is fixed to the side of the housing 14. A filter pipe can also be detachably connected to the outside of the combustion air pipe. The combustion air pipe is used to provide the air required by the heating element during combustion. The filter pipe is also detachably connected to the outside of the combustion air pipe. The filter pipe is used to keep the gas entering the heating element clean. In this embodiment, the filter pipe and the combustion air pipe are preferably connected by threads to achieve a detachable connection between the two.

[0052] Referring to Figure 4, based on the above embodiment, in this embodiment, a wiring port is also fixed on the outside of the housing 14. The wiring port may include a power supply interface. There are two power supply interfaces that can be used to connect 12V and 220V power supplies respectively. The power supply interfaces are used to supply power to the internal electrical components.

[0053] In addition, a switch 25 can be installed on the front side of the housing 14. The switch 25 is used to electrically connect to the controller inside the housing 14 to manually turn on the water pump 131. Considering that the remote control of the water pump 131 may not work properly or may run out of power in extremely cold conditions, the switch 25 can play an emergency role.

[0054] It should be noted that a drain outlet is provided at the bottom of the housing 14 in this embodiment. The purpose is to allow water to drain quickly in case of water entering the chassis under special circumstances. It is also necessary for the internal and external temperature balance. When the machine is working, the heat inside the chassis will accumulate and rise. This can also dissipate some heat so that the inside of the chassis will not overheat.

[0055] In other words, the water heater 111 in this invention is a powerful device with the following features:

[0056] High-temperature hot water function: The water heater can be set to a maximum water temperature of 90 degrees Celsius, which can achieve high-temperature hot water disinfection and is suitable for various scenarios such as scalding vegetables and shaving poultry and livestock.

[0057] Outdoor cooking tool: In outdoor environments, the water heater can make hot spring boiled eggs, boiled corn, ham sausages, canned eight-treasure porridge, coconut juice, milk and other foods. It can even heat sealed plastic bags of tofu, bottled and canned foods, to create a fun experience of cooking food in an artificial hot spring outdoors.

[0058] Negative pressure self-priming external circulation: No need to turn on the machine, just use the negative pressure self-priming function of the water pump to realize the functions of washing cars, washing vegetables, cleaning tableware, and taking a shower. By placing the inlet and outlet water pipes in spring water, streams, or a bucket of tap water, the effect of water-cooled air conditioning and water-cooled blankets can be achieved.

[0059] Multifunctional Outdoor Bathing System: The water heating circulation system of this water heater can meet the needs of outdoor showering, bathing, sauna, and other activities. It can also heat water in outdoor swimming pools to create artificial hot springs, especially in low-temperature environments, providing a more comfortable and healthy bathing experience. Before bathing, users can connect the water heater and bathtub via negative pressure self-priming external circulation to heat the water in the bathtub. Once the water temperature is suitable, the water heater is turned on to release warm air to preheat the bathroom air. The outlet water temperature of the water heater 111 can be set and adjusted via the main unit remote control to control the air temperature in the bathroom and the outlet water temperature of the bathtub's internal and external circulation, creating a comfortable and constant warm environment for enjoying hot water bathing. After bathing, the warm air released by the water heater can also be used to dry the body, hair, clothes, and towels, providing comprehensive warmth and convenience.

[0060] Safe and energy-saving: The water-heated air conditioner + water-heated blanket heating system of the water heater has the characteristics of zero risk, zero odor, and ultra-quiet operation, while also providing hot water availability and energy-saving economy.

[0061] Wide range of applications: The water heater can meet the heating and hot water needs of large-scale outdoor camping such as group building activities, fully demonstrating its powerful water heat circulation system function.

[0062] Referring to Figures 3 and 4, in some embodiments, the output water path 13 includes a water pump 131 connected to the water tank 121 via a pipeline. The output end of the water pump 131 is connected to the input end of the heat exchanger 112. The output end of the heat exchanger 112 is provided with an outlet pipe 132. The specific heating principle is as follows: when the water heater 111 is working, the high-temperature exhaust gas it generates enters the heat exchanger 112, and the water pump 131 pumps the water in the water tank 121 into the heat exchanger 112 for heat exchange. The heated water will be heated again by the water heater 111. Since a secondary heating operation is used, a higher water temperature can be obtained. The water heated twice flows outward from the outlet pipe 132 connected to the water heater 111 into the heating unit 2. After the heat is dissipated in the heating unit 2, the water flows back to the water tank 121 through the return pipe 123. In this way, the circulating heating function can be realized.

[0063] Considering the overall portability, the heating unit 1 in this embodiment also includes a housing 14. The heating element 11, the negative pressure water passage 12, and the output water passage 13 are all installed in the housing 14. Several holes are provided in the housing 14 to meet the air intake requirements of the heating element 11. For example, if the water heater 111 needs to be connected to a combustion air intake pipe when it is working, the combustion air intake pipe can be placed in the hole.

[0064] Referring to Figure 1, specifically, in this embodiment, the heating unit 2 is a water-heated blanket 21 and / or a water-heated air conditioner 22 and / or a water storage device 23 and / or a vehicle-mounted window plate 24. The specific layout can be adapted according to actual needs. For example, a single water-heated blanket 21, water-heated air conditioner 22, or water storage device 23 can be selected, or multiple of them can be selected to work simultaneously. Since the internal combustion chamber of the water heater 111 burns diesel fuel to directly heat the circulating water in the boiler, its heat loss is extremely low. Therefore, with its powerful water heating capacity, it can support the use of multiple heating units 2. Specifically, the vehicle-mounted window plate 24 includes a mounting plate and a heat exchanger. The heat exchanger is connected to the circulating water circuit to achieve heat exchange. The mounting plate is clipped onto the car window to achieve heating of the car interior. The structure of the heater can refer to the structural principle of the water-heated air conditioner 22 described below, which will not be elaborated here.

[0065] Referring to Figure 11, the specific vehicle-mounted window hanger 24 includes an mounting plate and a flexible strip 27. During the initial installation process, the bottom opening of the H-shaped flexible window strip is first fitted onto the upper side of the window glass, and the two sides of the mounting plate are engaged in the glass tracks on both sides of the window. Then, the bottom of the mounting plate is inserted into the upper opening of the flexible strip 27, thus completing the installation of the vehicle-mounted window hanger 24. When the glass is moved upward in a controlled manner, the vehicle-mounted window hanger 24 can be moved upward until it touches the inner bottom of the window, thus completing the fixation of the vehicle-mounted window hanger 24.

[0066] It should be noted that the dimensions of the mounting plate and the flexible strip 27 described in this embodiment can be designed according to the window sizes of different vehicles to achieve adaptation to different window sizes. Furthermore, in order to improve the durability of the vehicle-mounted window mounting plate 24, the mounting plate described in this embodiment preferably uses PC endurance board. PC endurance board has good explosion-proof performance, and its high strength, heat resistance, and corrosion resistance make it widely used in various fields. In this embodiment, the flexible strip 27 is set as a silicone strip. The silicone strip can remain flexible at -60 degrees Celsius. The cross-section of the flexible strip 27 is H-shaped. The upper end of the window glass and the lower end of the mounting plate are respectively snapped into the openings on both sides of the flexible strip 27.

[0067] Referring to Figure 10, it should be noted that in this embodiment, the mounting plate of the present invention has three clearance holes, and the clearance holes are fitted with sealing rings. The design of three clearance holes is adopted, two of which are used for the inlet and outlet of the circulating water pipe of the external heating equipment, and the other is used as the through hole for the power cord. When connecting, the power cord inside the vehicle can be passed out along the clearance hole, so that it can be used to heat the heating equipment outside the vehicle.

[0068] To address the potential air quality issues caused by the confined space inside a vehicle, this device integrates an ultra-quiet exhaust fan to improve ventilation and maintain fresh air. Compared to traditional vehicle exhaust fans, this exhaust fan offers superior sealing and noise control. With the doors and windows closed, the exhaust fan is designed solely to expel stale air, while fresh air enters through the vehicle's natural ventilation gaps, ensuring a comfortable interior environment. In this embodiment, the water-heated air conditioner 22 and the exhaust fan on the vehicle-mounted window panel 24 are powered by 12V and 5V respectively, allowing direct power supply from the vehicle's internal power source and improving wiring convenience. Furthermore, a 12V power bank and solar panel can be used to extend the battery life; the power bank is placed inside the vehicle.

[0069] The entire system is powered by an external power bank located inside the vehicle, which connects to the water heater outside the vehicle via a power cord port. The water heater inside the vehicle is directly powered by the power bank inside the vehicle. If the power bank is inside the tent, it powers the water heater outside the vehicle, and a branch line enters the vehicle through the power cord port to power the cooling fan of the water heater.

[0070] The water-heated air conditioner and water-heated blanket installed inside the vehicle are connected to the external circulating water system for heat exchange. Specifically, the window mount is fixed to the car window using an H-shaped window clip. Two water pipe holes and one cable outlet are provided on the mount. During installation, the vehicle's power cord is led out through the cable outlet and electrically connected to heating unit 1. Then, the two inlet and outlet water pipes of the series-connected water-heated air conditioner and water-heated blanket are passed through the two water pipe holes and connected to outlet pipe 132 and return pipe 123 respectively. The water-heated air conditioner uses fins to evenly transfer heat from the hot water pipes and blows it outwards by a fan, thus heating the air inside the vehicle. The cooled hot water then reheats the water-heated blanket. The core function of the vehicle-mounted window mount is to achieve seamless connection of the inlet and outlet water pipes and power cord through three dedicated holes, thereby enabling the vehicle's cooling and heating functions. This design ensures the system's airtightness, preventing insect intrusion. Whether cooling or heating, the system features zero risk, no odor, and ultra-quiet operation.

[0071] In summary, this invention uses a heating unit 1 to provide hot water to a heating unit 2. The heating unit 1 exchanges heat with the hot water and diffuses it into the vehicle interior, thus enabling heating of the vehicle interior during outdoor camping. Compared to the traditional direct heating method of a fan heater, this solution features a separate design for the interior and exterior of the vehicle, and uses heat exchange, which achieves quiet operation, odor-free operation, and low-risk use, further meeting the comfort requirements of outdoor camping.

[0072] It should be further explained that when the water pipes contain hot water, the high heat can be released first through the water-heated air conditioner, and the cooled hot water can then be used to heat the water-heated blanket, achieving a full-coverage heating method using both the water-heated air conditioner and the water-heated blanket. When the water pipes contain cold water, the cold air is released first through the water-heated air conditioner, and the remaining cold water is then discharged outdoors through the water-heated blanket, achieving a cooling method using both the water-cooled air conditioner and the water-cooled blanket. The water-cooling method can generally be achieved through external circulation of cold water.

[0073] In a specific application scenario, such as when using a tent in a low-temperature outdoor environment, the aforementioned water-heated blanket 21 and water-heated air conditioner 22 can be placed inside the tent. After being heated by the water heater 111, they provide the necessary temperature inside the tent. Furthermore, due to the powerful water heating capacity of the water heater 111, multiple tents can be used simultaneously, thus optimizing its applicability for outdoor use.

[0074] Secondly, the water storage device 23 described in this embodiment can be set as a swimming pool or a water tank. With the help of the negative pressure water circuit 12, since the inside of the water tank 121 is a sealed space, when the water pump 131 pumps water outward, the negative pressure in the water tank 121 forces the water source in the water storage device 23 to flow back into the water tank 121, and then outputs it through the water pump 131 for heating. In this way, the purpose of reciprocating circulation heating is achieved. Taking a water pool as an example, in this embodiment, by placing the ends of the return water pipe 123 with the filter head and the water outlet pipe 132 in the water pool, the water in the water pool is reciprocated for heating, so as to achieve the purpose of hot water bathing outdoors.

[0075] Referring to Figures 5 and 6, in some embodiments, the water-heated air conditioner 22 of the present invention includes a housing 221, a heat exchanger 222 and a fan 223 placed in the housing 221, and the input and output ends of the heat exchanger 222 are respectively connected to the negative pressure water passage 12 and the output water passage 13.

[0076] The heat exchanger 222 includes two opposing hollow tubes 2221, specifically, both ends of the hollow tube 2221 are sealed, and a partition 2225 for separating the input and output ends is also provided inside one of the hollow tubes 2221. The input and output ends include an input interface and an output interface, which can be formed by water pipe joints, and a side cover 2222 connected between the two hollow tubes 2221.

[0077] Multiple fins 2223 are fixedly installed between the two hollow tubes 2221. Specifically, in this embodiment, the two hollow tubes 2221 and the two fins 2223 together form a frame structure, which is connected to the negative pressure water passage 12 and the output water passage 13 through the input and output ends respectively to achieve water supply, so as to exchange heat through the fins 2223.

[0078] Referring to Figure 6, in order to further optimize the heat exchange effect, a heat-conducting pipe 2224 is fixedly installed between adjacent fins 2223 in this embodiment. The two ends of the heat-conducting pipe 2224 extend into the interior of two hollow tubes 2221 respectively. That is, the design of the heat-conducting pipe 2224 is used to connect the two hollow tubes 2221 so that the heated water can flow along the heat-conducting pipe 2224 to achieve the best contact heat conduction with the fins 2223. Then, the fan 223 blows out the heat to heat the inside of the tent.

[0079] Of course, those skilled in the art know that once the water in the water storage device 24 is heated, the outlet pipe 132 can be connected to a shower head to meet outdoor hot water shower needs. After use, the water in the equipment and pipes can be drained using an air pump, and the inlet and outlet pipes should be plugged to prevent water leakage during transportation. The filter pipe, main unit remote control, and water pump remote control should then be stored inside the inspection cover. Every few years, the equipment can be self-circulated using a citric acid descaling agent to maintain and service the water circuit of the hydrothermal circulation system. In extremely cold environments, pre-prepared hot water can be circulated before starting the equipment to prevent the water circuit from freezing and causing malfunction.

[0080] In summary, the heating system of this invention, compared to fan heaters which experience significant heat loss during heating, utilizes a water heater that is essentially a water boiler. The internal combustion chamber burns diesel fuel, directly heating the circulating water within the boiler, thus reducing heat loss. Furthermore, the heat exchanger preheats the water using the exhaust gases, improving energy efficiency and achieving superior water heating performance. The fully enclosed negative pressure self-priming water circulation system uses water for both heat transfer and release. The extremely low heat loss insulated water pipes ensures long-distance heat transfer. Moreover, the water heater is more efficient in implementing a water-based air conditioning heating system. Existing fan heaters and other outdoor heating equipment typically only achieve a 1:2 heating effect, while the water heater can achieve a 1:3, 1:4, or even 1:5 heating effect. This means that one water heater can simultaneously heat multiple tents, greatly enhancing its applicability and scalability for outdoor use.

[0081] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A heating system supporting multi-unit expansion, characterized in that, include: A heating unit (1) and at least one heated unit (2); The heating unit (1) includes at least a heating element (11), a negative pressure water path (12), and an output water path (13), wherein the heating element (11) is used to heat the fluid in the output water path (13), and the negative pressure water path (12) and the output water path (13) constitute a circulating water path. At least one of the heating units (2) is connected to the negative pressure water path (12) and the output water path (13) to obtain heat from the circulating water path.

2. The heating system supporting multi-unit expansion according to claim 1, characterized in that: The heating element (11) is a water heater (111) and a heat exchanger (112), and the input end of the heat exchanger (112) is connected to the exhaust gas output end of the water heater (111).

3. A heating system supporting multi-unit expansion according to claim 2, characterized in that: It also includes an oil tank (113), which supplies oil to the water heater (111) via an oil pump (114), and the oil tank (113) is detachably connected to an oil tank cover (115).

4. A heating system supporting multi-unit expansion according to claim 2, characterized in that: The negative pressure water circuit (12) includes a water tank (121), and a water tank cover (122) is detachably connected to the top of the water tank (121). A return water pipe (123) is connected between the water tank (121) and the heating unit (2).

5. A heating system supporting multi-unit expansion according to claim 4, characterized in that: The output water path (13) includes a water pump (131) connected to the water tank (121) via a pipeline. The output end of the water pump (131) is connected to the input end of the heat exchanger (112), and an outlet pipe (132) is provided on the output end of the heat exchanger (112).

6. A heating system supporting multi-unit expansion according to claim 1, characterized in that: The heating unit (1) also includes a housing (14), in which the heating element (11), the negative pressure water passage (12), and the output water passage (13) are all installed.

7. A heating system supporting multi-unit expansion according to claim 1, characterized in that: The heating unit (2) is a water-heated blanket (21) and / or a water-heated air conditioner (22) and / or a water storage device (23) and / or a vehicle-mounted window panel (24).

8. A heating system supporting multi-unit expansion according to claim 8, characterized in that: The water-heated air conditioner (22) includes a housing (221), a heat exchanger (222) and a fan (223) placed in the housing (221). The input and output ends of the heat exchanger (222) are respectively connected to the negative pressure water passage (12) and the output water passage (13).

9. A heating system supporting multi-unit expansion according to claim 8, characterized in that: The heat exchanger (222) includes two opposing hollow tubes (2221), and one of the hollow tubes (2221) is provided with a partition (2225) for separating the input and output ends, and a side cover (2222) connected between the two hollow tubes (2221); Multiple fins (2223) are fixedly installed between the two hollow tubes (2221).

10. A heating system supporting multi-unit expansion according to claim 9, characterized in that: A heat pipe (2224) is fixedly installed between adjacent fins (2223), and the two ends of the heat pipe (2224) extend into the interior of two hollow tubes (2221).

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