CN218645786U - Low-pressure operation control assembly of hot water system - Google Patents

Abstract

The utility model belongs to the technical field of hot water systems, in particular to a low-pressure operation control assembly of a hot water system.A water inlet pipeline is connected with tap water, a water flow switch is arranged in a water supply pipeline, then the water supply pipeline is divided into two pipelines, and one pipeline is connected with a first electromagnetic valve; the other path is connected with a second electromagnetic valve; the pipeline where the second electromagnetic valve is located is connected with the inlet of the heat collector; a first three-way valve, an elbow safety valve, a one-way valve and a second three-way valve are arranged on a connecting pipeline of a water outlet pipe of the heat collector, and the second three-way valve is connected to a water using end or an auxiliary heating system; the elbow safety valve is connected with an overflow pipe; a temperature sensor is connected in the first tee joint; the first electromagnetic valve is connected with the second tee joint. The utility model prevents the overflow water from flowing out at the moment when the water mixing valve is opened and prevents the problem of large injection amount; the overflow pipe is matched, so that little water can drip when the system is used; the water flow cannot be impacted outwards; after the water mixing valve is pulled, the electromagnetic valve is closed to prevent water supply and water from being mixed, and the water temperature cannot be influenced.

Description

Low-pressure operation control assembly of hot water system

Technical Field

The utility model belongs to the technical field of the hot-water heating system, specifically belong to a hot-water heating system low pressure operation control assembly.

Background

Among the prior art, can provide the hot water system of heat source, its control line still has more problems to solar water heating system's control line is the example, still has following technical problem:

1. the control system is complex, the number of electric control valves is large, the production cost is increased, and the failure rate is high;

2. the cold water inlet is connected with the hot water pipeline by a capillary tube; when hot water is used, part of cold water in the cold water inlet pipeline enters the hot water using pipeline to influence the temperature of the used water;

3. the pipeline is designed to be pressureless and pressure-free; in the opening and closing process of the water valve, the pressure of the system is rapidly released, overflow water can flow in the overflow water pipe, the water flow is large, and more water sources are wasted.

Disclosure of Invention

The utility model provides a hot water system low pressure operation control assembly to reach reduction in production cost, reduce the fault rate and move reliable and stable purpose.

A low-pressure operation control assembly of a hot water system is characterized in that a water inlet pipeline is connected with tap water, a water flow switch is arranged in a water supply pipeline, the water supply pipeline is divided into two paths, and one path is connected with a first electromagnetic valve; the other path is connected with a second electromagnetic valve; the pipeline where the second electromagnetic valve is located is connected with the inlet of the heat collector;

a first three-way valve, an elbow safety valve, a one-way valve and a second three-way valve are arranged on a connecting pipeline of a water outlet pipe of the heat collector, and the second three-way valve is connected to a water using end or an auxiliary heating system; the elbow safety valve is connected with an overflow pipe;

a temperature sensor is connected in the first tee joint; the first electromagnetic valve is connected with the second tee joint.

Furthermore, a ball valve and a pressure stabilizing valve are arranged in the water inlet pipeline, the pipeline is divided into two paths, one path is connected to the water using end, and the other path is a water supply pipeline.

Furthermore, a filter is arranged in a pipeline between the ball valve and the pressure stabilizing valve; the pressure-bearing pressure of the pressure-stabilizing valve is higher than that of the elbow safety valve.

Furthermore, the elbow safety valve is respectively connected with two pipeline interfaces and one safety valve at the position of the elbow; the valve rod in the safety valve is deeply arranged in the valve body, and a safety valve sealing ring is arranged at the contact part of the valve rod and the valve body; and a safety valve plug is arranged at the end part of the valve body, a safety valve handle is connected to the valve rod on the outer side, and an overflow port is formed in the valve body.

Furthermore, the hot water system is a solar water heating system, and the auxiliary heating system matched with the solar water heating system is a gas wall-mounted boiler or an electric water heater heating system.

Furthermore, the water flow switch, the first electromagnetic valve, the second electromagnetic valve, the first tee joint, the elbow safety valve, the one-way valve and the second tee joint are positioned in the shell, and the shell is provided with a controller; the first electromagnetic valve is normally open, and the second electromagnetic valve is normally closed;

the water flow switch, the first electromagnetic valve, the second electromagnetic valve, the elbow safety valve, the pressure stabilizing valve and the temperature sensor are in signal connection with the controller.

The working process of the utility model is as follows:

the utility model discloses in, be provided with the controller, the controller is ripe product among the prior art. After the water mixing valve is pulled, the tap water passes through the ball valve, the filter and the pressure stabilizing valve, the water flow switch is opened, the electromagnetic valve II is opened, and the electromagnetic valve I is closed; the water flow enters the heat collector through the second electromagnetic valve;

in a water outlet pipeline of the heat collector, the temperature sensor feeds back the temperature value of the outlet water from the heat collector through the first tee joint, and then the temperature value passes through the elbow safety valve, the one-way valve and the second tee joint and reaches the water mixing valve or the auxiliary heating system.

The utility model has the advantages that:

1. the first electromagnetic valve is connected with the second tee joint, the water flow switch is started at the moment of pulling the water mixing valve, the second electromagnetic valve is opened, tap water enters the heat collector, the first electromagnetic valve enables part of water in the pipeline to enter the pipeline where the second tee joint is located, and the problems that overflow water flows out at the moment of opening the water mixing valve and the injection amount is large are solved; the overflow pipe is matched, so that little water can drip when the system is used; the water flow cannot be impacted outwards; after the water mixing valve is pulled, the electromagnetic valve is closed within 0.5-1 second to prevent the water supply from being mixed with the water, so that the water temperature cannot be influenced; after the water mixing valve is closed, the water flow switch is closed, the second electromagnetic valve is closed, and the first electromagnetic valve is opened.

2. The pressure of the elbow safety valve is limited to 0.2-0.4MPa, so that the water pressure in the system is in a low-pressure operation state. The low-pressure system has wide application range, simple structure, fewer valves, relatively simple structure and lower cost.

To sum up, the utility model provides a pair of hot water system low pressure operation control assembly has positive market prospect.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of the connection structure of the present invention;

FIG. 3 is a front view of the elbow relief valve;

FIG. 4 is a top view of the elbow relief valve;

FIG. 5 is a left side view of the elbow relief valve;

fig. 6 is a view showing a position structure of the safety valve.

In the figure: 1. a water flow switch; 2. a first electromagnetic valve; 3. a second electromagnetic valve; 4. an elbow safety valve; 4.1. an interface; 4.2. a safety valve; 4.3. a valve stem; 4.4. a safety valve plug; 4.5. a safety valve handle; 4.6 overflow port; 4.7. a seal ring; 4.8. a spring; 5. a first tee joint; 6. a one-way valve; 7. a second tee joint; 8. an overflow pipe; 9. a ball valve; 10. a pressure maintaining valve; 11. a filter; 12. a solar water heater without a water tank.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments.

Example 1

Referring to the attached drawings, the utility model provides a low-pressure operation control assembly of a hot water system, which is characterized in that the hot water system capable of providing a heat source is a solar water heating system or a gas wall-mounted boiler or an electric water heater heating system; take a solar water heating system as an example: a water inlet pipeline is connected with tap water, a water flow switch 1 is arranged in a water supply pipeline, then the water supply pipeline is divided into two paths, and one path is connected with a first electromagnetic valve 2; the other path is connected with a second electromagnetic valve 3; the pipeline where the second electromagnetic valve 3 is located is connected with the inlet of the solar heat collector;

a first tee joint 5, an elbow safety valve 4, a one-way valve 6 and a second tee joint 7 are arranged on a connecting pipeline of a water outlet pipe of the solar heat collector, and the second tee joint 7 is connected to a water using end or an auxiliary heating system; the auxiliary heating system is a gas wall-mounted furnace or an electric water heater; the elbow safety valve 4 is connected with an overflow pipe 8;

a temperature sensor is connected in the first tee joint 5; the first electromagnetic valve 2 is connected with a second tee joint 7.

The water flow switch 1, the first electromagnetic valve 2, the second electromagnetic valve 3, the first tee joint 5, the elbow safety valve 4, the one-way valve 6 and the second tee joint 7 are positioned in the shell, and the shell is provided with a controller; the first electromagnetic valve 2 is normally open, and the second electromagnetic valve 3 is normally closed;

the water flow switch 1, the first electromagnetic valve 2, the second electromagnetic valve 3, the elbow safety valve 4, the pressure stabilizing valve 10 and the temperature sensor are connected to the controller through signals.

The utility model discloses when being used in gas hanging stove or electric water heater hot water system, be connected to the water end from second tee bend 7, do not get into auxiliary heating system.

Example 2

Referring to fig. 2, the utility model provides a solar water heating system low pressure operation control assembly uses in no water tank solar water heater, the water intake pipe in be provided with ball valve 9 and surge damping valve 10, later the pipeline falls into two tunnel, inserts the water end all the way, another way is the supply channel. A filter 11 is arranged in a pipeline between the ball valve 9 and the pressure stabilizing valve 10; the pressure maintaining valve 10 is higher than the elbow safety valve 4 in pressure bearing.

Example 3

The elbow safety valve 4 described in embodiment 1 is connected with two pipeline interfaces 4.1 and one safety valve 4.2 at the position of the elbow respectively; a valve rod 4.3 in the safety valve 4.2 is deeply arranged in the valve body, a spring 4.8 is sleeved on the valve rod, and a safety valve sealing ring 4.7 is arranged at the contact part of the valve rod 4.3 and the valve body; and install relief valve plug 4.4 at the valve body tip, on the valve rod 4.3 in the outside, be connected with relief valve handle 4.5, on this valve body, seted up overflow mouth 4.6.

When the pressure is too high, the pressure can be relieved through the safety valve handle 4.5.

Claims (6)

1. A low-pressure operation control assembly of a hot water system is characterized in that a water inlet pipeline is connected with tap water, a water flow switch is arranged in a water supply pipeline, the water supply pipeline is divided into two paths, and one path is connected with a first electromagnetic valve; the other path is connected with a second electromagnetic valve; the pipeline where the second electromagnetic valve is located is connected with the inlet of the heat collector;

a first three-way valve, an elbow safety valve, a one-way valve and a second three-way valve are arranged on a connecting pipeline of a water outlet pipe of the heat collector, and the second three-way valve is connected to a water using end or an auxiliary heating system; the elbow safety valve is connected with an overflow pipe;

a temperature sensor is connected in the first tee joint; the first electromagnetic valve is connected with the second tee joint.

2. The low-pressure operation control assembly for the hot water system as claimed in claim 1, wherein the water inlet pipeline is provided with a ball valve and a pressure stabilizing valve, and the water inlet pipeline is divided into two paths, one path is connected to the water using end, and the other path is a water supply pipeline.

3. The low pressure operation control assembly of claim 2, wherein a filter is arranged in a pipeline between the ball valve and the pressure stabilizing valve; the pressure-bearing pressure of the pressure-stabilizing valve is higher than that of the elbow safety valve.

4. The low pressure operation control assembly of claim 1, wherein the elbow safety valve is connected to two pipe joints and one safety valve at the elbow position; the valve rod in the safety valve is deeply arranged in the valve body, and a safety valve sealing ring is arranged at the contact part of the valve rod and the valve body; and a safety valve plug is arranged at the end part of the valve body, a safety valve handle is connected to the valve rod on the outer side, and an overflow port is formed in the valve body.

5. The low-pressure operation control assembly for the hot water system as claimed in claim 1, wherein the hot water system is a solar water heating system, and the auxiliary heating system used in cooperation with the solar water heating system is a gas wall-mounted boiler or an electric water heater heating system.

6. The low pressure operation control assembly of claim 1, wherein the water flow switch, the first solenoid valve, the second solenoid valve, the first tee, the elbow relief valve, the check valve and the second tee are arranged in a shell, and a controller is arranged on the shell; the first electromagnetic valve is normally open, and the second electromagnetic valve is normally closed;

the water flow switch, the first electromagnetic valve, the second electromagnetic valve, the elbow safety valve, the pressure stabilizing valve and the temperature sensor are in signal connection with the controller.

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