CN220669575U

CN220669575U - Fuel cell cogeneration water tank equipment

Info

Publication number: CN220669575U
Application number: CN202322344953.7U
Authority: CN
Inventors: 林法强; 张泽天; 王晓华; 张健; 崔天宇
Original assignee: Shanghai Fuel Cell Vehicle Powertrain Co ltd
Current assignee: Shanghai Fuel Cell Vehicle Powertrain Co ltd
Priority date: 2023-08-30
Filing date: 2023-08-30
Publication date: 2024-03-26
Anticipated expiration: 2033-08-30

Abstract

The utility model discloses fuel cell cogeneration water tank equipment, which comprises a water tank main body, wherein the water tank main body is used for storing hot water, the water tank main body comprises a plurality of input ends and a plurality of output ends, the water tank main body is suitable for being connected with corresponding water pipes, and at least one of the output ends is connected with a hot water pipeline; the water supply module is communicated with the water tank main body through a water pipe and is used for introducing municipal cold water into the water tank main body so as to form a water supply path; the heat storage module comprises a heat source and is used for providing heat; the heat storage device is characterized by further comprising a pushing component, wherein the pushing component is arranged between the water tank main body and the heat storage module and used for providing pushing force to enable low-temperature water in the water tank main body to flow to the heat storage module, and the low-temperature water is conveyed to the water tank main body after heat exchange is carried out on the low-temperature water and heat provided by the heat source, so that a heat storage circulation loop is formed, the structure is simple, the space occupancy rate is low, and the installation and the maintenance are convenient.

Description

Fuel cell cogeneration water tank equipment

Technical Field

The utility model relates to the technical field of fuel cells, in particular to a fuel cell cogeneration water tank device.

Background

A fuel cell is a clean power plant that directly converts chemical energy of fuel into direct current electrical energy. The working principle is that chemical energy of substances is converted into electric energy through electrochemical reaction, and the electric energy and the heat energy required by customers are provided.

At present, when a heat supply and heat storage system of a fuel cell cogeneration system is utilized to generate hot water for users, the hot water is generally arranged into a water tank for filling cold water, and the cold water is introduced into another water tank and then heated, so that the whole equipment has a complex structure, the heating efficiency is low, certain problems are generated in the installation and maintenance of products, the satisfaction of the users is easily influenced, and the popularization is not facilitated.

In view of the foregoing, there is a need for improvements over the existing problems.

Disclosure of Invention

Aiming at the technical problems, the utility model aims to provide the fuel cell cogeneration water tank equipment, which has a simple overall structure, does not need to adopt a cold water tank to supply water, can improve the space utilization rate and can ensure the heating efficiency.

In order to achieve the above object, the present utility model provides a fuel cell cogeneration water tank apparatus comprising: the water tank body is used for storing hot water, comprises a plurality of input ends and a plurality of output ends, is suitable for being connected with a plurality of corresponding water pipes, and at least one of the output ends is connected with a hot water pipeline for outputting the hot water in the water tank body so as to supply domestic hot water to a user;

the water supply module is communicated with the water tank main body through a water pipe and is used for introducing municipal cold water into the water tank main body so as to form a water supply path, and the municipal cold water is mixed with part of hot water in the water tank main body to form low-temperature water;

the heat storage module comprises a heat source, and the heat source is used for providing heat;

the pushing component is arranged between the water tank main body and the heat storage module and is used for providing pushing force to enable the low-temperature water to flow to the heat storage module, so that the low-temperature water exchanges heat with heat provided by the heat source, and the low-temperature water is conveyed to the water tank main body through a water pipe to form a heat storage circulation loop.

It is worth mentioning that water can guarantee the supply amount through the water supply way, and the low temperature water in the water tank main part can flow through heat accumulation circulation loop and heat up, and the rethread water tank main part has formed the reciprocal water supply of circulation-heating-water storage process for water tank equipment all has hot water all the time can provide for the user.

In some embodiments, a first check valve is provided on the water pipe of the water supply path for preventing water in the tank body from flowing back in the direction of the municipal cold water;

the fuel cell cogeneration water tank device further comprises a prefilter, wherein the prefilter is arranged between the water supply module and the first one-way valve, and the water tank main body, the first one-way valve and the prefilter are connected through a water pipe.

It should be noted that the pre-filter can pre-filter impurities or chemical substances in the municipal cold water, so that the quality of the subsequent hot water is improved, the user experiences better when using the hot water, the water is conveyed by the one-way valve, and the water in the water tank main body is prevented from reversely flowing back to the municipal cold water.

In some embodiments, the pushing component comprises a circulating water pump and two regulating valves, the circulating water pump is connected with the two regulating valves through water pipes respectively, and the circulating water pump is arranged between the two regulating valves and is used for adjusting the flow rate of the low-temperature water;

wherein both of the regulating valves are operable such that the heat storage circulation circuit has at least a passage state or an open state by adjusting the opening or closing of the regulating valves.

It can be understood that the passage state of the heat storage circulation loop is that the pipelines of the equipment are all smooth, and hot water is normally provided for users; the open circuit state of heat-retaining circulation circuit is that the valve port of two governing valves is all closed, then water can't pass through from here, can maintain the maintenance and change circulating water pump at this state for operating personnel's work is more convenient.

In some embodiments, the heat source is a cogeneration system of a fuel cell, the cogeneration system for providing heat;

the fuel cell cogeneration water tank device further comprises a hot water storage tank, wherein a first water supply is stored in the hot water storage tank, the cogeneration system is connected with the hot water storage tank, the hot water storage tank is supplied with heat by the cogeneration system, so that the first water supply is continuously heated through the cogeneration system to form circulating hot water, and the hot water storage tank is used for providing the circulating hot water;

the heat storage module also comprises a heat exchanger which is connected with the hot water storage tank to enable the circulating hot water to be introduced into the heat exchanger and used for heat exchange,

the heat exchanger is provided with an inlet and an outlet, and the inlet is connected with the pushing assembly through a water pipe and is used for receiving low-temperature water from the water tank main body into the heat exchanger;

the outlet is connected with the water tank main body through a water pipe and is used for leading the low-temperature water subjected to heat exchange with the circulating hot water into the water tank main body.

The circulating hot water is skillfully utilized to form a high-temperature water loop, heat of the high-temperature water loop is exchanged by the heat exchanger to heat low-temperature water, and the hot water is stored in the water tank main body for a user to use.

In some embodiments, a circulating hot water inlet and a circulating hot water outlet are arranged on the heat exchanger, a water supply port and a water return port are arranged on the hot water storage tank, the circulating hot water inlet is connected with the water supply port through a water pipe, and the circulating hot water outlet is connected with the water return port through a water pipe so as to form a circulating hot water loop; and the circulating hot water inlet and the circulating hot water outlet are respectively embedded with a first temperature sensor and a second temperature sensor, wherein the first temperature sensor is used for detecting the real-time temperature of the circulating hot water input to the heat exchanger, and the second temperature sensor is used for detecting the real-time temperature of the circulating hot water output from the heat exchanger.

In some embodiments, a sewage output end is arranged on the water tank main body, the sewage output end is positioned at the bottom of the water tank main body, the sewage output end is connected with a sewage outlet through a drainage pipeline, a hand valve is arranged on the drainage pipeline, and the sewage output end, the hand valve and the sewage outlet form a sewage outlet.

It is worth mentioning that the blowdown way of setting carries out periodic maintenance or is the water in the water tank main part and does not use for a long time at water tank equipment, when need clear away it, can make the sewage discharge in the water tank main part through opening the hand valve for cleaning work is more convenient.

In some embodiments, at least two sensing assemblies for detecting water temperature are arranged on a water pipe connected with the heat storage circulation loop, and the two sensing assemblies are distributed on two sides of the heat source and are used for detecting water temperature before and after heat exchange between the low-temperature water and heat provided by the heat source.

It should be noted that, through setting up sensing assembly and carrying out more accurate assurance to the temperature for it is very reliable to heat up, accuse temperature, can promote user's feel of using.

In some embodiments, a plurality of temperature sensors are distributed on the inner wall of the water tank body along the vertical direction, and the plurality of temperature sensors are all connected with a control center for detecting the water temperature of the hot water stored in the water tank body, and the control center can obtain the water quantity of the hot water stored in the water tank body through the detection result of at least part of the temperature sensors.

It is worth mentioning that a plurality of temperature sensors in the water tank main body can segment, divide regional detection hot water temperature for the water storage temperature that obtains that detects is more pointed, and control center can obtain the hot water reserves and the whole temperature condition in the water tank by multiunit detection data analysis, makes the practicality of water tank equipment very high.

In some embodiments, the fuel cell cogeneration water tank apparatus is further provided with a protective housing, the water tank body is located inside the protective housing, and a plurality of fixing pieces are provided inside the protective housing, the fixing pieces are used for providing a connection platform to fix the water supply module through the connection platform;

the two ends of each fixing piece are respectively arranged on the two opposite side walls of the protection shell, and a plurality of fixing pieces are distributed in a staggered manner along the height direction of the protection shell.

In some embodiments, the protection casing further comprises a top plate and a bottom plate, the top plate and the bottom plate are connected and fixed through a plurality of side plates, the pushing assembly is arranged on the bottom plate, the water supply module is arranged on one of the fixing pieces, and the horizontal position of the water supply module is higher than that of the pushing assembly.

Compared with the prior art, the fuel cell cogeneration water tank device provided by the utility model has the following beneficial effects:

1. according to the fuel cell cogeneration water tank device provided by the utility model, the heat storage circulation loop is used for carrying out heat exchange and temperature rise on the low-temperature water output in the water tank main body, and the formed hot water is led into the water tank through the pipeline, so that continuous supply of the hot water is realized, and meanwhile, the device is simple in structure and can be prevented from occupying a large amount of space.

2. According to the fuel cell cogeneration water tank device, the circulating water pump is conveniently assembled and disassembled through the two regulating valves, so that an operator can automatically regulate the passage state or the disconnection state of the heat storage circulating loop.

3. The fuel cell cogeneration water tank device provided by the utility model is provided with the heat exchanger, and the circulating hot water can be input into the heat exchanger to exchange heat with low-temperature water, so that the whole heat exchange process is simple and effective.

4. According to the fuel cell cogeneration water tank device provided by the utility model, the plurality of temperature sensors arranged in the water tank main body can detect the temperature of hot water in a zoned manner, so that the detection result is more targeted, and the hot water reserve in the water tank main body can be obtained through analysis of a plurality of groups of detection data.

5. According to the fuel cell cogeneration water tank device, the protection shell is arranged to protect the water tank main body, and the parts can be arranged on the fixing piece in the protection shell, so that the space utilization rate is improved to a certain extent.

Drawings

The above features, technical features, advantages and implementation of the present utility model will be further described in the following description of preferred embodiments with reference to the accompanying drawings in a clear and easily understood manner.

FIG. 1 is a schematic diagram of the structure of one embodiment of the present utility model;

FIG. 2 is a schematic diagram of another embodiment of the present utility model;

fig. 3 is a schematic overall structure of an embodiment of the present utility model.

Reference numerals illustrate: a tank body 1; a pre-filter 2; a first one-way valve 3; a second one-way valve 4; a hot water hand valve 5; a first regulating valve 6; a circulating water pump 7; a second regulating valve 8; a heat exchanger 9; a circulating hot water inlet 10; a circulating hot water outlet 11; domestic hot water 12; an electric heater 13; municipal cold water 14; a drain outlet 15; a hand valve 16; a protective case 17; a top plate 171; a bottom plate 172; a side plate 173; a fixing member 1701; a power connector 18.

Detailed Description

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following description will explain the specific embodiments of the present utility model with reference to the accompanying drawings. It is evident that the drawings in the following description are only examples of the utility model, from which other drawings and other embodiments can be obtained by a person skilled in the art without inventive effort.

For simplicity of the drawing, only the parts relevant to the utility model are schematically shown in each drawing, and they do not represent the actual structure thereof as a product. Additionally, in order to simplify the drawing for ease of understanding, components having the same structure or function in some of the drawings are shown schematically with only one of them, or only one of them is labeled. Herein, "a" means not only "only this one" but also "more than one" case.

It should be further understood that the term "and/or" as used in this specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.

In this context, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless explicitly stated or limited otherwise; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In addition, in the description of the present application, the terms "first," "second," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.

In one embodiment, referring to fig. 1 and 2 of the specification, the fuel cell cogeneration water tank device provided by the utility model is described, and the overall structure of the fuel cell cogeneration water tank device provided by the utility model is relatively simple, and a cold water tank is not required to be used for supplying water, so that the heating efficiency is ensured, the use is relatively flexible, and the popularization of products is facilitated.

Referring to fig. 1 and 2 of the specification, the fuel cell cogeneration water tank device provided by the utility model comprises a water tank main body 1, a water supply module, a pushing assembly and a heat storage module, wherein the water tank main body 1 is used for storing hot water, the water tank main body 1 comprises a plurality of input ends and a plurality of output ends, the water tank main body 1 is suitable for being connected with corresponding water pipes, and at least one output end is connected with a hot water pipeline; the water supply module is communicated with the water tank main body 1 through a water pipe and is used for introducing municipal cold water 14 into the water tank main body 1 so as to form a water supply path; the heat storage module comprises a heat source for providing heat, the pushing component is arranged between the water tank main body 1 and the heat storage module and used for providing pushing force to enable low-temperature water in the water tank main body 1 to flow to the heat storage module, and the low-temperature water is conveyed to the water tank main body 1 after heat exchange is carried out on the low-temperature water through the heat provided by the heat source, so that a heat storage circulation loop is formed.

It will be appreciated that such a water tank apparatus is connected to a fuel cell cogeneration system, which generally comprises: the system comprises a fuel cell stack module, a hydrogen system, an air system, a cooling circulation system, a heat storage and supply system and an electric power supply system. The hydrogen system provides stable hydrogen and oxygen in the air provided by the air system is subjected to electrochemical reaction in the fuel cell stack module, so that chemical energy is converted into electric energy, and the electric energy is output to a user through the power supply system. The heat storage and supply system in the fuel cell cogeneration system mainly recovers the heat generated in the fuel cell pile module during operation through the plate heat exchanger, so that hot water is generated for users to use; it is understood that the cogeneration system is used to supply electrical energy and heat to the water tank equipment to drive it to do work.

Referring to fig. 2 of the drawings, the power connector 18 is used for connecting the power generation module of the cogeneration system of the fuel cell, and some water tank devices are used for directly arranging the power generation module and the heat storage module in one water tank body, so that the installation is troublesome, the promotion is also unfavorable, the power generation module and the heat storage module need to be matched and sold together, and if a customer does not need to purchase the two modules at the same time, the promotion is difficult. In this embodiment, the power generation module and the heat storage module are separately designed, the power generation module is connected through the separate power connector 18, and the water tank device can be sold separately as the heat storage module, so that the overall structure is simpler, and the requirements of customers are met.

It should be noted that, municipal cold water 14 is input into the water tank body 1 through the water supply path to ensure a certain water supply amount, and the low-temperature water in the water tank body 1 can flow through the heat storage circulation loop to raise the temperature and then is led into the water tank body 1, so that a circulating and reciprocating water supply-heating-water storage process is formed, and hot water can be provided for users all the time in the water tank device.

It should be noted that, the heat storage circulation loop can be understood that water is sequentially conveyed from the water tank main body 1 to the heat storage module through the water pipe under the pushing force of the pushing component, then after the heat storage module exchanges heat with the heat source, the temperature-rising water or the high-temperature water returns to the water tank main body 1, and the loop process is simple in structure, high in heat transfer efficiency and high in practicability, and the pushing component can be provided with a water pump, such as a centrifugal pump or a pneumatic diaphragm pump, and the like, and can be specifically changed according to the water supply requirement.

Wherein, the domestic hot water 12 is provided for the user through the hot water pipeline, in addition, the hot water hand valve 5 can be arranged on the hot water pipeline to control the output of the domestic hot water 12, and the second one-way valve 4 can be arranged to avoid the domestic hot water 12 provided for the user from flowing back into the water tank main body 1.

Optionally, referring to fig. 1 of the specification, a domestic hot water sensor T1 is embedded in the hot water pipeline to detect the temperature and the flow speed of the domestic water, so that a user or an operation end can receive feedback in time.

In one embodiment, on the basis of the above embodiment, a first check valve 3 is provided on the water pipe of the water supply path for preventing water in the tank body 1 from flowing back toward the municipal cold water 14 direction, the fuel cell cogeneration tank apparatus in this embodiment is further provided with a pre-filter 2, the pre-filter 2 is provided between the water supply module and the first check valve 3, and the tank body 1, the first check valve 3, and the pre-filter 2 are sequentially connected through water pipes, so that the flow direction of the municipal cold water 14 is directed toward the tank body 1.

It should be noted that the pre-filter 2 can pre-filter impurities or some chemical substances in the municipal cold water 14, so that the quality of the subsequent hot water is improved, the user experiences better when using the hot water, and the water in the water tank body 1 is prevented from flowing back to the municipal cold water 14 by using the first one-way valve 3 for water delivery.

Preferably, a temperature sensor T0 may be provided on the water pipe of the water supply line to detect a specific temperature of the municipal cold water 14 inputted into the tank body 1.

In one embodiment, referring to fig. 2 and 3 of the drawings, the tank apparatus is further provided with a protective case 17 such that the tank body 1 is located inside the protective case 17 to be prevented from being broken by impact.

The protection housing 17 is further provided with criss-cross fixtures 1701 for fixing components, such as a fixed pipe or a water supply module such as a hand valve, so that space utilization can be maximized.

Further, two ends of each fixing member 1701 are respectively disposed on two opposite sidewalls of the protective housing 17, and the plurality of fixing members 1701 are distributed in a staggered manner along the height direction of the protective housing 17.

Optionally, referring to fig. 3 of the specification, the protection housing 17 is further provided with a top plate 171, a bottom plate 172, and a fixed connection is made between the top plate 171 and the bottom plate 172 through a plurality of side plates 173, wherein the pushing assembly is disposed on the bottom plate 172, and the water supply module is disposed at a level higher than that of the pushing assembly, but this layout is only one implementation case of the embodiment, and the fixed position of the assembly or the number of fixing pieces 1701 can be adjusted according to requirements or other environmental factors during specific use.

In one embodiment, the pushing assembly comprises a circulating water pump 7 and two regulating valves, the circulating water pump 7 is connected with the two regulating valves through water pipes respectively, and the circulating water pump 7 is arranged between the two regulating valves and used for adjusting the flow rate of the low-temperature water.

Wherein the two regulating valves can be operated so that the heat storage circulation loop has at least a passage state or an open state by adjusting the opening or closing of the regulating valves.

Referring to the attached figure 1 of the specification, the two regulating valves are respectively marked as a first regulating valve 6 and a second regulating valve 8, the passage state of the heat storage circulation loop is that the pipeline of the equipment is smooth, and hot water is normally provided for users; the open-circuit state of the heat storage circulation loop, namely the valve ports of the first regulating valve 6 and the second regulating valve 8 are closed, so that water cannot pass through the open-circuit state, and the circulating water pump 7 can be maintained, overhauled and replaced in the open-circuit state, so that the work of operators is more convenient.

It is worth mentioning that the circulating water pump 7 arranged therein can make water circulate continuously in the heat storage circulation loop, reduce resistance loss, make the control effect on the flow velocity and flow in the heat storage circulation loop better, and control the temperature of hot water very accurately, and have operability.

Optionally, the first regulating valve 6 and the second regulating valve 8 are one or two of a manual regulating valve, an electric regulating valve and a pneumatic regulating valve, and other regulating valves can be selected and used when the technical effect of the utility model is not affected.

In another embodiment, the heat source is a cogeneration system of a fuel cell, and the cogeneration system is connected with the hot water storage tank, so that the hot water storage tank is supplied with heat by the cogeneration system, and a large amount of first water supply is stored in the hot water storage tank, and the first water supply is continuously heated through the cogeneration system to form circulating hot water, so that the hot water storage tank can provide the circulating hot water; the heat storage module further comprises a heat exchanger 9, the heat exchanger 9 is connected with the hot water storage tank, circulating hot water can be led into the heat exchanger 9, an inlet and an outlet are formed in the heat exchanger 9, the inlet is communicated with the pushing assembly, the outlet is communicated with the water tank main body, then low-temperature water is led into the heat exchanger 9 through the inlet, heat exchange between the low-temperature water and the circulating hot water is carried out, the low-temperature water is output from the outlet, and the low-temperature water flows through the water pipe and is led into the water tank main body 1 for supplementing the hot water.

Here, the circulating hot water is skillfully utilized to form a high-temperature water loop, the heat of the high-temperature water loop is exchanged by the heat exchanger 9 to heat the low-temperature water, and the hot water can be conveyed to the water tank body 1 for storage through a pipeline and is used by a user.

It should be noted that the heat exchanger 9 may be a plate heat exchanger, such as a spiral plate heat exchanger, or a tube heat exchanger, such as a double tube heat exchanger or a tube heat exchanger, or any other type of heat exchanger, or a heat exchanging device, while maintaining the technical effects of the present embodiment, and such modifications are included in the scope of the present utility model.

In one embodiment, the water tank body 1 is provided with a sewage output end, the sewage output end is located at the bottom of the water tank body 1, the sewage output end is connected with a sewage outlet 15 through a drainage pipeline, and the drainage pipeline is provided with a hand valve 16 for operating the sewage discharge condition, so that the sewage output end, the hand valve and the sewage outlet 15 form a sewage drainage pipeline.

It is worth mentioning that the sewage disposal way that sets up is regularly maintained at water tank equipment or the water in the water tank main part 1 does not use for a long time, when needs clear away it, can make the sewage discharge in the water tank main part 1 through opening hand valve 16 for cleaning work is more convenient.

In one embodiment, at least a part of the water pipes are provided with a plurality of sensing assemblies for detecting water temperature or water flow speed, and at least two sensing assemblies are arranged on the water pipes connected with the heat storage circulation loop, and the sensing assemblies are distributed on two sides of the heat source and are used for detecting water temperature before and after heat exchange between the low-temperature water and the heat source.

It should be noted that, the water temperature of each loop and each area in the water tank device is more accurately grasped by setting the sensing assembly, so that the temperature rise and the temperature control are very reliable, the use sense of a user can be improved, if the water temperature is to be detected, a temperature sensor can be set, if the water flow speed is to be detected, a water flow sensor can be set, and if other functions are added, such as water quality detection, a conductivity sensor or a pH sensor can be set.

It can be understood by combining the above embodiments, referring to fig. 1 of the specification, a low-temperature water inlet and a high-temperature water outlet are arranged on the heat exchanger 9, and it can be understood that both the low-temperature water inlet and the high-temperature water outlet are connected with water delivery pipelines, and the two temperature sensors are respectively embedded in the corresponding water delivery pipelines. The whole heat exchange process can be summarized as: the low-temperature water enters the heat exchanger 9 from the low-temperature water inlet through the water transmission pipeline to exchange heat, and meanwhile, the temperature sensor T6 at one side detects the temperature of the low-temperature water; after heat exchange is completed, the original low-temperature water is heated to form high-temperature water, the high-temperature water flows to the direction of the water tank main body 1 through the high-temperature water outlet, the temperature sensor T7 at one side of the process detects the water temperature of the high-temperature water, the actual values of the low-temperature water temperature and the high-temperature water temperature are obtained in the heat exchange process, the control center can be helped to analyze the condition of the heat exchanger 9, the water temperature condition of circulating hot water, and the heat supply of a heat source is timely adjusted, so that the equipment is more reliable.

In another embodiment, a circulating hot water inlet 10 and a circulating hot water outlet 11 are arranged on the heat exchanger 9, a water supply port and a water return port are arranged on the hot water storage tank, the circulating hot water inlet 10 is connected with the water supply port through a water pipe, the circulating hot water outlet 11 is connected with the water return port through a water pipe, a first temperature sensor and a second temperature sensor are respectively embedded in the circulating hot water inlet 10 and the circulating hot water outlet 11, the first temperature sensor is used for detecting the real-time temperature of the circulating hot water input to the heat exchanger 9, and the second temperature sensor is used for detecting the real-time temperature of the circulating hot water output from the heat exchanger 9.

In fig. 1, the temperature sensor T8 is a first temperature sensor, and the temperature sensor T9 is a second temperature sensor, which is similar to the above embodiment, and the temperature sensor is used to directly detect the temperature of the circulating hot water, so that the circulating hot water can be used in combination with the above embodiment or independently.

In one embodiment, a plurality of temperature sensors are distributed on the inner wall of the water tank body 1 along the vertical direction, the plurality of temperature sensors are all connected with a control center and are used for detecting the temperature of hot water stored in the water tank body 1, and the control center can obtain the quantity of the hot water stored in the water tank body 1 through the detection result of at least part of the temperature sensors.

It is worth mentioning that a plurality of temperature sensors in the water tank main body 1 can segment, divide regional detection hot water temperature for the water storage temperature that obtains that detects is more pointed, and control center can obtain the hot water reserves and the whole temperature condition in the water tank by multiunit detection data analysis, makes the practicality of water tank equipment very high.

In actual operation installation, the temperature sensors are embedded in the upper part, the middle part and the lower part of the water tank main body 1 respectively, wherein the middle part can be divided into the middle upper part and the middle lower part, more specific requirements can be met according to the temperature control requirement, if the water temperature requirement in the water tank main body 1 is strict, the number of the temperature sensors can be properly increased, the upper part, the middle part and the lower part can be divided into more small areas, and similarly, if a user does not need very strict water temperature requirement, only simple hot water storage is needed, and the number of the temperature sensors can be properly reduced.

It should be noted that, the control center can obtain the water level in the water tank main body 1 through analysis according to the water temperature values fed back by the plurality of temperature sensors, so that the water yield in the water tank main body 1 can be obtained, and referring to fig. 1 of the specification, it is easy to understand that when the water level exceeds the temperature sensor T3, the temperature sensors T3, T4 and T5 detect the temperature, the detection feedback of the temperature sensor T2 is different from the detection feedback of other sensors, the control center can analyze according to the preset sensor positions, and the result of the water level between the temperature sensors T2 and T3 can be obtained.

Furthermore, the control center can be arranged in the fuel cell cogeneration water tank equipment, and can be also understood that the control center can be bound and sold together when the water tank equipment is sold; or the water tank device can be connected with the control center through various connection modes, such as wired connection, wireless connection and the like, under the connection condition, the water tank device can be understood to be used for independently purchasing the water tank device when selling, and the personalized requirements of product selling and installing can be achieved by connecting the control center of a user or independently purchasing other control centers (such as an industrial personal computer) and the like.

In one embodiment, referring to fig. 1 of the specification, a pressure sensor P1 is embedded in a water tank body 1, and one of output ends is provided with an exhaust valve, and the pressure sensor P1 is connected with a control center and is used for detecting the pressure in the water tank body 1, so that the control center controls the opening and closing of the exhaust valve according to the detection condition.

It can be understood that the pressure sensor P1 can timely acquire the pressure value in the water tank main body 1, and when the pressure in the water tank main body 1 is too high, the control center controls the exhaust valve to exhaust so as to adjust the internal and external pressure difference, so that the water tank device is safer in use.

In one embodiment, an electric heater 13 is provided in the water tank body 1 for heating water in the water tank body 1, and the electric heater 13 is connected to a control center, thereby enabling a preset heating temperature of the electric heater 13 to be adjusted by the control center.

Here still heat the water in the water tank main part 1 through electric heater 13, reach quick heating effect, can set for user's target temperature through control center in addition for user is more convenient when using hot water, need not to consume the time of waiting when heating up water in a large number.

It should be noted that the above embodiments can be freely combined as needed. The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.

Claims

1. A fuel cell cogeneration water tank apparatus comprising:

the water tank body is used for storing hot water, comprises a plurality of input ends and a plurality of output ends, is suitable for being connected with a plurality of corresponding water pipes, and at least one of the output ends is connected with a hot water pipeline for outputting the hot water in the water tank body so as to supply domestic hot water to a user;

2. A fuel cell cogeneration water tank apparatus according to claim 1, wherein,

a first one-way valve is arranged on the water pipe of the water supply way and is used for preventing water in the water tank main body from flowing back towards the municipal cold water direction;

3. A fuel cell cogeneration water tank apparatus according to claim 1, wherein,

the pushing assembly comprises a circulating water pump and two regulating valves, the circulating water pump is connected with the two regulating valves through water pipes respectively, and the circulating water pump is arranged between the two regulating valves and is used for adjusting the flow rate of the low-temperature water;

4. A fuel cell cogeneration water tank apparatus according to claim 1, wherein,

the heat source is a cogeneration system of a fuel cell, the cogeneration system is used for providing heat,

the heat storage module also comprises a heat exchanger which is connected with the hot water storage tank to enable the circulating hot water to flow into the heat exchanger and be used for heat exchange,

5. A fuel cell cogeneration water tank apparatus according to claim 4, wherein,

the heat exchanger is provided with a circulating hot water inlet and a circulating hot water outlet, the hot water storage tank is provided with a water supply port and a water return port, the circulating hot water inlet is connected with the water supply port through a water pipe, and the circulating hot water outlet is connected with the water return port through a water pipe so as to form a circulating hot water loop;

and the circulating hot water inlet and the circulating hot water outlet are respectively embedded with a first temperature sensor and a second temperature sensor, wherein the first temperature sensor is used for detecting the real-time temperature of the circulating hot water input to the heat exchanger, and the second temperature sensor is used for detecting the real-time temperature of the circulating hot water output from the heat exchanger.

6. A fuel cell cogeneration water tank apparatus according to claim 1, wherein,

the sewage treatment device is characterized in that a sewage output end is arranged on the water tank main body, the sewage output end is located at the bottom of the water tank main body, the sewage output end is connected with a sewage outlet through a drainage pipeline, a hand valve is arranged on the drainage pipeline, and the sewage output end, the hand valve and the sewage outlet form a sewage outlet.

7. A fuel cell cogeneration water tank apparatus according to any one of claims 1-6, wherein,

at least two sensing assemblies for detecting water temperature are arranged on a water pipe connected with the heat storage circulation loop, and the two sensing assemblies are distributed on two sides of the heat source and used for detecting water temperature before and after heat exchange between the low-temperature water and heat provided by the heat source.

8. A fuel cell cogeneration water tank apparatus according to any one of claims 1 to 6, wherein a plurality of temperature sensors are distributed on an inner wall of said water tank main body in a vertical direction, and wherein a plurality of said temperature sensors are each connected to a control center for detecting a temperature of hot water stored in said water tank main body, and wherein said control center is operable to obtain a quantity of hot water stored in said water tank main body from a detection result of at least a part of said temperature sensors.

9. A fuel cell cogeneration water tank apparatus according to any one of claims 1-6, further provided with a protective housing, said water tank body being located inside said protective housing, and a plurality of fixing members being provided in said protective housing for providing a connection platform for fixing said water supply module by said connection platform;

10. The fuel cell cogeneration water tank apparatus of claim 9 wherein said protective housing further comprises a top plate and a bottom plate, said top plate and said bottom plate being fixedly connected by a plurality of side plates, said push assembly being disposed on said bottom plate, said water supply module being disposed on one of said securing members, and wherein a horizontal position of said water supply module is higher than a horizontal position of said push assembly.