Distributed electric water heater device for terminal building

By installing a localized electric heating small-circulation system within the terminal building, the problem of hot water supply in large terminals with dispersed hot water points and large areas has been solved, achieving efficient and space-saving hot water supply and recycling.

CN223925109UActive Publication Date: 2026-02-17JIANGXI TONGJI ARCHITECTURAL DESIGN CONSULTING CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520299672.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-25
Publication Date
2026-02-17
Estimated Expiration
2035-02-25

AI Technical Summary

Technical Problem

Traditional hot water supply systems are difficult to apply in large airport terminals due to the dispersed hot water usage points and large floor area, resulting in large equipment footprints, significant heat and pressure losses.

Method used

The terminal building adopts a decentralized electric water heater system. By setting up a local electric heating small circulation system on each floor, including hot water pipes, return water pipes, circulating water pumps and storage electric water heaters, local electric heating is achieved, hot water is supplied on demand, and hot water circulation and anti-dry burning are realized through PLC controllers and liquid level sensors.

Benefits of technology

It reduces the equipment footprint and heat loss of hot water, meets the hot water supply needs of large areas and scattered water points, and achieves efficient hot water circulation and anti-dry burning.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223925109U_ABST
    Figure CN223925109U_ABST
Patent Text Reader

Abstract

The utility model discloses an airport terminal distributed electric water heater device which comprises an airport terminal body, a toilet cleaning room, a pipe gallery or a restaurant kitchen room of the airport terminal body form an equipment installation area, and a positive displacement electric water heater is installed in the equipment installation area. The terminal building has the beneficial effects that a local electric heating small circulation system consisting of a hot water pipe, a water return pipe, a circulating water pump and a volumetric electric water heater is arranged in an equipment mounting area of the terminal building body, and hot water produced by the volumetric electric water heater is pumped out through the circulating water pump of the hot water pipe when the volumetric electric water heater is started to work; due to the fact that the local electric heating small circulation system is adopted, compared with a traditional centralized and unified heating mode, the local electric heating small circulation system has the advantages of being small in occupied area and small in pipeline pressure and hot water heat loss. And local electric heating small circulation systems can be arranged in the hot water supply area of each floor of the terminal building body one by one.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to building hot water supply technical field, specifically, relate to a terminal building decentralized electric water heater device. BACKGROUND

[0002] Terminal building, also known as terminal building, waiting room, passenger building, terminal, is a facility in the airport, provides the facility of aircraft passenger conversion land traffic and air traffic, but the hot water supply range of terminal building is the bathroom or catering commercial area of living area, terminal building features large span, hot water point is quite scattered, there is great challenge to the conventional hot water supply system on the market at present.

[0003] At present, the traditional hot water supply mode adopts centralized and unified heat production, and then is transported by pressure pipeline at a long distance, and the long-distance hot water return measure is arranged, and the equipment occupies a large area, needs to be specially equipped with equipment room, and because the pipeline transportation distance is long, heat and pressure loss are large, so that the centralized and unified heat production mode is difficult to be applicable to the terminal building with large plane area and scattered hot water points. UTILITY MODEL CONTENT

[0004] (I)Solved technical problems

[0005] In view of the deficiencies of the prior art, the utility model provides a terminal building decentralized electric water heater device, has the advantages of being applicable to the building with large plane area and scattered hot water points, such as terminal building, and locally heating hot water, thereby solving the problems in the above background art.

[0006] (II)Technical scheme

[0007] In order to realize the above-mentioned advantages of being applicable to the building with large plane area and scattered hot water points, such as terminal building, and locally heating hot water, the utility model adopts the following specific technical scheme: a terminal building decentralized electric water heater device, including terminal building body, the toilet cleaning room, pipe gallery or dining room of the terminal building body form equipment installation area, and the equipment installation area is installed with volumetric electric water heater, the bathroom or catering commercial area of the living area of the terminal building body forms hot water supply area, and the hot water supply area contains the bathroom of the living area and the catering commercial area of each floor of the terminal building body, the top of the volumetric electric water heater is installed with cold water pipe, and the surface of the cold water pipe is sequentially installed with electric valve and return pipe from top to bottom, the lower surface of the volumetric electric water heater is communicated with hot water pipe, and the surface of the hot water pipe is installed with circulating water pump, and a plurality of water supply pipes are communicated between the hot water pipe and the return pipe.

[0008] Further, the upper right side of the volumetric electric water heater is fixed with a PLC controller, and the output end of the PLC controller is electrically connected with the electric valve, a liquid level sensor is installed on the inner container of the volumetric electric water heater, and the liquid level sensor is electrically connected with the PLC controller, and the PLC controller is electrically connected with an external power supply.

[0009] Further, the hot water pipe, the return water pipe, the circulating water pump and the volumetric electric water heater form a local electric heating small circulation system, and the local electric heating small circulation system is installed in the equipment installation area of each layer of the terminal building body in sequence.

[0010] Further, a temperature controller is installed on the outer surface of the volumetric electric water heater, and an electric heating pipe and a temperature sensor are installed on the inner container of the volumetric electric water heater, the output end of the temperature controller is electrically connected with the electric heating pipe through a relay, and the temperature sensor is electrically connected with the temperature controller.

[0011] Further, a plurality of local electric heating small circulation systems are installed in the terminal building body, and different numbers of water supply pipes are installed between the hot water pipes and the return water pipes of the plurality of local electric heating small circulation systems.

[0012] Further, a plurality of water taps or showers are installed on the surface of the water supply pipe, and three-way pipes are arranged at the two ends of the water supply pipe corresponding to the hot water pipe and the return water pipe.

[0013] (Three) beneficial effects

[0014] Compared with the prior art, the utility model provides a terminal building distributed electric water heater device, has the following beneficial effects:

[0015] (1), the utility model discloses a local electric heating small circulation system that is formed by a hot water pipe, a return water pipe, a circulating water pump and a volumetric electric water heater is arranged in the equipment installation area of the terminal building body, along with starting volumetric electric water heater work, the hot water produced by volumetric electric water heater is pumped out through the circulating water pump of hot water pipe, and then the hot water is supplied to the hot water supply area on demand through a plurality of water supply pipes communicated with the hot water pipe, owing to having adopted local electric heating small circulation system, compared with traditional centralized and unified heating mode, has the advantages of small floor area, small pipe pressure and small hot water heat loss, and local electric heating small circulation system can be arranged in the hot water supply area of each layer of the terminal building body one by one, meets the hot water supply demand of the terminal building of large plane area and dispersed water points.

[0016] (2), the utility model discloses, be provided with hot -water pipe, return pipe, cold water pipe, electric valve, liquid level sensor, PLC controller, water supply pipe and circulating water pump, through starting circulating water pump work, the hot water that volumetric electric water heater produces circulates in volumetric electric water heater inner bag, hot -water pipe, return pipe and a plurality of cold water pipes, and the hot water that is not used is introduced into the cold water pipe through the return pipe in the circulating process, then is returned to volumetric electric water heater inner bag from the cold water pipe, continues to circulate use after heating by two times, when liquid level sensor detects that volumetric electric water heater inner bag liquid level is lower than the preset value of PLC controller, and PLC controller opens electric valve, makes the cold water of cold water pipe and supplements to volumetric electric water heater inner bag, has the advantage of hot water circulation and anti dry burning. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0018] Fig. 1 is a structural schematic view of a terminal building decentralized electric water heater device according to an embodiment of the present application;

[0019] Fig. 2 is a top view of a terminal building decentralized electric water heater device according to an embodiment of the present application;

[0020] Fig. 3 is a sectional view of a terminal building decentralized electric water heater device according to an embodiment of the present application.

[0021] In the drawings:

[0022] 1, terminal building body; 2, equipment installation area; 3, volumetric electric water heater; 4, hot water supply area; 5, hot water pipe; 6, return pipe; 7, cold water pipe; 8, electric valve; 9, liquid level sensor; 10, PLC controller; 11, water supply pipe; 12, circulating water pump; 13, electric heating pipe; 14, power supply. DETAILED DESCRIPTION

[0023] To further illustrate the embodiments, the present application provides drawings, which are part of the disclosure of the present application, mainly used to illustrate the embodiments, and can explain the operating principle of the embodiments in cooperation with the related description of the specification. With reference to these contents, those skilled in the art should understand other possible embodiments and advantages of the present application. The components in the drawings are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0024] According to the embodiment of the utility model, a terminal building decentralized electric water heater device is provided.

[0025] The utility model is further illustrated in combination with the drawings and specific embodiments, as shown in the drawings, Figs. 1-3 As shown, according and to the terminal building decentralized electric water heater device of the utility model embodiment, including terminal building body 1, the toilet cleaning room, pipe gallery or restaurant kitchen room of terminal building body 1 form equipment installation area 2, and equipment installation area 2 is installed in volumetric electric water heater 3, the living area toilet of terminal building body 1 or catering commercial area forms hot water supply area 4, and hot water supply area 4 includes the living area toilet and catering commercial area of terminal building body 1 every layer, the top of volumetric electric water heater 3 is installed with cold water pipe 7, and the surface of cold water pipe 7 is sequentially installed with electric valve 8 and return pipe 6 from top to bottom, the lower surface of volumetric electric water heater 3 is communicated with hot water pipe 5, and the surface of hot water pipe 5 is installed with circulating water pump 12, and the communication between hot water pipe 5 and return pipe 6 is provided with a plurality of water supply pipes 11, wherein, volumetric electric water heater 3 in this patent is only used, and its structure and function are not improved, its setting mode, installation mode and electrical connection mode, for the technical personnel in the art, just debug operation according to the requirement of its instruction manual, hereinafter is not repeated, for volumetric electric water heater 3 and circulating water pump 12, the control mode of the utility model is controlled by manual starting and closing switch, and the wiring diagram of power element and the provision of power supply 14 belong to the public knowledge in the art, so the control mode and wiring arrangement of the utility model are not explained in detail, wherein, in order to shorten the distance of return pipe 6, two equipment installation areas 2 are provided for each layer of terminal building body 1.

[0026] In one embodiment, the upper right side of volumetric electric water heater 3 is fixed with PLC controller 10, and the output end of PLC controller 10 is electrically connected with electric valve 8, the inner container of volumetric electric water heater 3 is installed with liquid level sensor 9, and liquid level sensor 9 is electrically connected with PLC controller 10, PLC controller 10 is electrically connected with external power supply 14, adopting this structure, in the circulating process of hot water, the unused hot water is introduced into cold water pipe 7 through return pipe 6, and then flows back to the inner container of volumetric electric water heater 3, and after being heated for the second time, continues to be used, when liquid level sensor 9 detects that the liquid level of the inner container of volumetric electric water heater 3 is lower than the preset value of PLC controller 10, PLC controller 10 opens electric valve 8, so that the cold water of cold water pipe 7 is supplemented to the inner container of volumetric electric water heater 3, realizing hot water circulation and dry burning prevention.

[0027] In one embodiment, the hot water pipe 5, the return water pipe 6, the circulating water pump 12, and the volumetric electric water heater 3 form a local electric heating small circulation system, and the local electric heating small circulation system is installed in the equipment installation area 2 of each floor of the terminal body 1 in sequence, that is, the device can install a local electric heating small circulation system for the equipment installation area 2 of each floor of the terminal, and meet the hot water supply demand of the terminal with large plane area and scattered water points.

[0028] In one embodiment, the outer surface of the volumetric electric water heater 3 is provided with a temperature controller, and the inner container of the volumetric electric water heater 3 is provided with an electric heating pipe 13 and a temperature sensor. The output end of the temperature controller is electrically connected with the electric heating pipe 13 through a relay, and the temperature sensor is electrically connected with the temperature controller. Through the setting of the temperature controller, the volumetric electric water heater 3 can easily perform constant temperature heating on water. The principle of the temperature controller is the existing known technology, and there is a mature product, so further explanation is not made. The circuit connection of the temperature controller adopts the conventional connection mode in the prior art, and will not be described in detail. The contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0029] In one embodiment, a plurality of local electric heating small circulation systems are installed in the terminal body 1, and different numbers of water supply pipes 11 are installed between the hot water pipes 5 and the return water pipes 6 of the plurality of local electric heating small circulation systems, that is, the number of water supply pipes 11 of each local electric heating small circulation system is different, which is used to cope with the problem of scattered hot water supply in the terminal.

[0030] In one embodiment, the surface of the water supply pipe 11 is provided with a plurality of faucets or showers, and the two ends of the water supply pipe 11 are respectively provided with a three-way pipe corresponding to the hot water pipe 5 and the return water pipe 6. Through the plurality of faucets or showers installed on the water supply pipe 11, it is convenient for personnel to use hot water, and through the three-way pipe, the water supply pipe 11 is easily connected with the hot water pipe 5 and the return water pipe 6.

[0031] Working principle: first, by hot water pipe 5, return pipe 6, circulating water pump 12, partial electric heating small circulating system consisting of volumetric electric water heater 3 is installed to the equipment installation area 2 (toilet cleaning room, pipe gallery, restaurant kitchen room) of each floor of the terminal building body 1, along with the start of volumetric electric water heater 3 work, the hot water produced by volumetric electric water heater 3 is pumped out by circulating water pump 12 of hot water pipe 5, and then the hot water is supplied to hot water supply area 4 (living area toilet or catering commercial area) as needed by several water supply pipes 11 communicated with hot water pipe 5, in this process, by starting circulating water pump 12 work, the hot water produced by volumetric electric water heater 3 is circulated in the inner container of volumetric electric water heater 3, hot water pipe 5, return pipe 6 and several cold water pipes 7, the hot water not used in the circulation process is introduced into the cold water pipe 7 through the return pipe 6, and then flows back to the inner container of volumetric electric water heater 3 through the cold water pipe 7, and is heated again to continue to be used, when the liquid level sensor 9 detects that the liquid level of the inner container of volumetric electric water heater 3 is lower than the preset value of PLC controller 10, the PLC controller 10 opens the electric valve 8, so that the cold water of the cold water pipe 7 is supplemented to the inner container of volumetric electric water heater 3, realizing hot water circulation and dry burning prevention.

[0032] In the utility model, unless another definite provision and limitation, the terms "installation", "arrangement", "connection", "fix", "screw joint" and so on should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through intermediate medium, can be the communication of two element interiors or the interaction of two elements, unless another definite limitation, for the ordinary skilled in the art, can understand the specific meaning of the above terms in the utility model according to specific circumstances.

[0033] The above only is the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A terminal decentralized electric water heater device comprising a terminal body (1), characterized in that, The toilet cleaning room, pipe gallery or restaurant kitchen room of the terminal body (1) forms an equipment installation area (2), and a volumetric electric water heater (3) is installed in the equipment installation area (2); the bathroom of the living area or the catering commercial area of the terminal body (1) forms a hot water supply area (4), and the hot water supply area (4) comprises the bathroom of the living area and the catering commercial area of each floor of the terminal body (1); a cold water pipe (7) is installed on the top of the volumetric electric water heater (3), and an electric valve (8) and a return pipe (6) are sequentially installed on the surface of the cold water pipe (7) from top to bottom; a hot water pipe (5) is communicated with the lower surface of the volumetric electric water heater (3), a circulating water pump (12) is installed on the surface of the hot water pipe (5), and a plurality of water supply pipes (11) are communicated between the hot water pipe (5) and the return pipe (6).

2. The terminal decentralized electric water heater device according to claim 1, characterized in that, A PLC controller (10) is fixed to the upper right side of the volumetric electric water heater (3), and the output end of the PLC controller (10) is electrically connected with the electric valve (8); a liquid level sensor (9) is installed on the inner container of the volumetric electric water heater (3), and the liquid level sensor (9) is electrically connected with the PLC controller (10); and the PLC controller (10) is electrically connected with an external power supply (14).

3. The terminal decentralized electric water heater device according to claim 1, characterized in that, The hot water pipe (5), the return pipe (6), the circulating water pump (12) and the volumetric electric water heater (3) form a local electric heating small circulation system, and the local electric heating small circulation system is sequentially installed in the equipment installation area (2) of each floor of the terminal body (1).

4. The terminal decentralized electric water heater device according to claim 1, characterized in that, A temperature controller is installed on the outer surface of the volumetric electric water heater (3), an electric heating pipe (13) and a temperature sensor are installed on the inner container of the volumetric electric water heater (3), the output end of the temperature controller is electrically connected with the electric heating pipe (13) through a relay, and the temperature sensor is electrically connected with the temperature controller.

5. The terminal decentralized electric water heater device according to claim 1, characterized in that, A plurality of local electric heating small circulation systems are installed in the terminal body (1), and different numbers of water supply pipes (11) are installed between the hot water pipes (5) and the return pipes (6) of the plurality of local electric heating small circulation systems.

6. The terminal decentralized electric water heater device according to claim 1, characterized in that, A plurality of water taps or shower heads are installed on the surface of the water supply pipe (11), and a three-way pipe is arranged at each end of the water supply pipe (11) corresponding to the hot water pipe (5) and the return pipe (6).