CN216557374U - Parallel type rapid central hot water system - Google Patents

Abstract

The utility model discloses a parallel type quick central hot water system, which comprises a plurality of first instant hot water heaters, a water inlet pipe, a water outlet pipe and a water tank, wherein the water inlet end of each first instant hot water heater is respectively communicated with the water inlet pipe, the water outlet end of each first instant hot water heater is respectively communicated with the water outlet pipe, the water outlet pipe is communicated with the water tank, the parallel type quick central hot water system also comprises a water supply pump set and a controller, the output end of the water supply pump set is connected with a water supply pipe, the input end of the water supply pump set is communicated with the water tank, the water supply pipe is provided with a pressure sensor for detecting water pressure, the pressure sensor is electrically connected with the controller, the controller is electrically connected with the first instant hot water heaters, a certain number of first instant hot water heaters are designed and configured according to the actual needs of each customer, the instant hot water is instantly opened, the peak period is buffered by using a small water tank, compared with air, the volume of the water tank can be reduced by more than 20 times, and the heat dissipation of a large amount of stored hot water is reduced.

Description

A parallel fast central hot water system

technical field

The utility model relates to a parallel fast central hot water system.

Background technique

At present, hotels, schools and factory dormitories generally use air energy or solar energy heating to generate hot water. This water storage heating method often has many and large water tanks. First, a large amount of water storage is easy to lose energy, and second, it is cold weather equipment. Instability, the third is that there are great requirements for the load-bearing of the building.

Therefore, a parallel fast central hot water system is urgently needed to solve this problem.

Utility model content

The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a parallel fast central hot water system.

A parallel type quick central hot water system designed according to this purpose includes a plurality of first instant water heaters, a water inlet pipe, a water outlet pipe and a water tank;

The water inlet ends of the first instant water heater are respectively communicated with the water inlet pipes, the water outlet ends of the first instant water heaters are respectively communicated with the water outlet pipes, and the water outlet pipes are communicated with the water tank;

It also includes a water supply pump group and a controller, the output end of the water supply pump group is connected with a water supply pipe, the input end of the water supply pump group is connected with the water tank, and the water supply pipe is provided with a pressure for detecting water pressure. a sensor, the pressure sensor is electrically connected to the controller, and the controller is electrically connected to the first instantaneous water heater.

Preferably, it also includes a second instant water heater and a heat preservation pump group, the input end of the second instant water heater is connected to the output end of the heat preservation pump group, and the input end of the heat preservation pump group is connected to the heat preservation pump group. The water tank is in communication, the output end of the second instant water heater is in communication with the water tank, a temperature probe is arranged in the water tank, and the temperature probe is electrically connected with the controller.

Preferably, a return pipe is also included, and the return pipe communicates with the water tank.

Preferably, a gate valve and a solenoid valve are respectively provided on the water inlet pipe.

Preferably, the water inlet pipe is also provided with a filter.

Preferably, a check valve is also connected between the water inlet pipe and the first instantaneous water heater, and a manual valve is connected between the first instantaneous water heater and the water outlet pipe.

Preferably, a circulating water pump group is also included, the input end of the circulating water pump group is connected to the water tank, and the output end of the circulating water pump group is communicated with the water supply pipe.

The utility model adopts a parallel rapid heating mode, which produces hot water quickly, reduces the waste of water storage in idle time, and can produce water on time and on demand. Compared with the existing technology, according to the actual needs of each customer, a certain number of large-flow instantaneous gas water heaters are designed and configured, hot water is available immediately, and a small water tank is used to buffer the peak period, which can reduce the energy consumption compared with air. More than 20 times the volume of the water tank, reducing the heat dissipation of storing a large amount of hot water. Maintenance is simple and convenient, multiple machines are connected in parallel, and the failure of a single machine will not affect the normal use of the entire system.

Description of drawings

Fig. 1 is the plane structure schematic diagram of the utility model.

Detailed ways

The present utility model will be further described below in conjunction with the accompanying drawings and embodiments.

Referring to FIG. 1 , a parallel type rapid central hot water system includes a plurality of first instantaneous water heaters 10 , a water inlet pipe 110 , a water outlet pipe 140 and a water tank 150 ;

The water inlet ends of the first instant water heater 10 are respectively communicated with the water inlet pipes 110, and the water outlet ends of the first instant water heaters 10 are respectively communicated with the water outlet pipes 140, and the water outlet pipes 140 are connected with the water outlet pipes 140 respectively. the water tank 150 is connected;

It also includes a water supply pump group 50 and a controller 20, the output end of the water supply pump group 50 is connected with a water supply pipe 60, the input end of the water supply pump group 50 is communicated with the water tank 150, and the water supply pipe 60 is provided with a water supply pipe 60. There is a pressure sensor 610 for detecting water pressure, the pressure sensor 610 is electrically connected to the controller 20 , and the controller 20 is electrically connected to the first tankless water heater 10 .

Working principle, the utility model realizes entry by using a plurality of instant gas water heaters to connect with a water inlet pipe, and the cold water enters the water heater from the water inlet pipe for combustion and heating. After heating, the hot water enters the water outlet pipe, and then enters the water heater. into the water tank 150 for storage. When the user uses water, the water supply pump group 50 is activated to deliver the hot water in the water tank 150 to the water supply pipe 60. At the same time, during this process, the pressure sensor can detect the water pressure in the water supply pipe 60, and the real-time water pressure The information is sent to the controller 20, and the controller can adjust the start and stop of the first instantaneous water heater 10 according to the real-time information of the water pressure. When more people use it, the demand for hot water increases, and the pressure of the water supply pipe 60 decreases as more people use it. That is, when the water pressure decreases, it is judged that many people are using it. At this time, all the first instantaneous water heaters 10 are activated to boil water.

Compared with the existing technology, the utility model configures a certain number of first instant water heaters 10 according to the actual needs of each customer, realizes that hot water is immediately available, and uses a small water tank to buffer peak periods. The air can reduce the volume of the water tank by more than 20 times, reducing the heat dissipation of storing a large amount of hot water. Maintenance is simple and convenient, multiple machines are connected in parallel, and the failure of a single machine will not affect the normal use of the entire system.

Further, it also includes a flow meter disposed on the water outlet pipe 140 , and the flow meter is electrically connected to the controller 20 .

The function of the flowmeter is to detect the water flow in real time. When no one is using it, there is obviously a huge gap between the water flow and when many people use it. That is, it can transmit data to the controller according to the real-time water flow and control The controller controls the start and stop of the first instantaneous water heater 10 .

Referring to FIG. 1 , the present invention further includes a second instant water heater 100 and a heat preservation pump group 30 . The input end of the second instant water heater 100 is connected to the output end of the heat preservation pump group 30 , so The input end of the heat preservation pump group 30 is communicated with the water tank 150, and the output end of the second instant water heater 100 is communicated with the water tank 150. The water tank 150 is provided with a temperature probe, and the temperature probe is connected to the water tank 150. The controller 20 is electrically connected.

In the principle of heat preservation, the water temperature in the water tank 150 is maintained by the second instant water heater 100, that is, the water temperature is detected in real time through the temperature probe, and the water temperature information is sent to the controller, and the controller conducts according to the predetermined water temperature value and the measured water temperature value. In contrast, when the water temperature is lower than the predetermined value, the heat preservation pump group 30 is activated to pump the water in the water tank 150 into the second instantaneous water heater 100 for heating and then return to the water tank 150 .

Referring to FIG. 1 , in the present invention, the water inlet pipe 110 is provided with a gate valve 130 and a solenoid valve 120 respectively, which is convenient for maintenance and other work, and meets the needs of use.

In the present invention, the water inlet pipe 110 is also equipped with a filter, which can filter some impurities in the tap water and ensure the service life of the water heater.

Referring to FIG. 1 , in the present invention, a check valve is also connected between the water inlet pipe 110 and the first instantaneous water heater 10 , and between the first instantaneous water heater 10 and the water outlet pipe 140 A manual valve 102 is connected.

Referring to FIG. 1 , the present utility model further includes a water return pipe 70 and a circulating water pump group 40, the water return pipe 70 is communicated with the water tank 150, and the input end of the circulating water pump group 40 is connected with the water tank 150, so The output end of the circulating water pump group 40 is communicated with the water supply pipe 60 .

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise" etc. Or the positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed in a specific orientation and Therefore, it should not be construed as a limitation on the present invention, and the terms "first" and "second" are only used for description purposes, and should not be construed as indicating or implying relative importance or the number of indicated technical features.

The basic principles and main features of the present invention and the advantages of the present invention are shown and described above. It should be understood by those skilled in the art that the present invention is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention The new model will also have various changes and improvements, which all fall within the scope of the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.

Claims (8)

1. A parallel type fast central hot water system, characterized in that it comprises a plurality of first instant water heaters (10), a water inlet pipe (110), a water outlet pipe (140) and a water tank (150) ; The water inlet ends of the first instant water heater (10) are respectively communicated with the water inlet pipes (110), and the water outlet ends of the first instant water heaters (10) are respectively communicated with the water outlet pipes (140). , the water outlet pipe (140) communicates with the water tank (150); It also includes a water supply pump group (50) and a controller (20), an output end of the water supply pump group (50) is connected with a water supply pipe (60), and an input end of the water supply pump group (50) is connected to the water tank (150) is connected, the water supply pipe (60) is provided with a pressure sensor (610) for detecting water pressure, the pressure sensor (610) is electrically connected with the controller (20), the controller (20) ) is electrically connected to the first instant water heater (10). 2. A parallel type rapid central hot water system according to claim 1, characterized in that: further comprising a second instant water heater (100) and a heat preservation pump group (30), the second instant hot water heater (100) The input end of the water heater (100) is connected to the output end of the heat preservation pump group (30), the input end of the heat preservation pump group (30) is communicated with the water tank (150), and the second instant water heater ( The output end of 100) is communicated with the water tank (150), the water tank (150) is provided with a temperature probe, and the temperature probe is electrically connected to the controller (20). 3. A parallel type quick central hot water system according to claim 2, characterized in that it further comprises a water return pipe (70), and the water return pipe (70) communicates with the water tank (150). 4. A parallel type fast central hot water system according to any one of claims 1 to 3, characterized in that: a gate valve (130) and a solenoid valve (120) are respectively provided on the water inlet pipe (110) . 5. A parallel type rapid central hot water system according to any one of claims 1 to 3, characterized in that: the water inlet pipe (110) is further provided with a filter. 6. A parallel type rapid central hot water system according to any one of claims 1 to 3, characterized in that: between the water inlet pipe (110) and the first instant water heater (10) A check valve is also connected, and a manual valve (102) is connected between the first instant water heater (10) and the water outlet pipe (140). 7. A parallel type fast central hot water system according to any one of claims 1 to 3, characterized in that: further comprising a circulating water pump group (40), the input end of the circulating water pump group (40) Connected to the water tank (150), the output end of the circulating water pump group (40) is communicated with the water supply pipe (60). 8. A parallel type rapid central hot water system according to any one of claims 1 to 3, characterized in that: further comprising a flowmeter arranged on the water outlet pipe (140), the flowmeter being connected to The controller (20) is electrically connected.

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