CN214501385U

CN214501385U - Indoor heating device with automatic heat source cutting protection structure

Info

Publication number: CN214501385U
Application number: CN202022927640.0U
Authority: CN
Inventors: 耿纪卫; 赵焱焱; 张智勇
Original assignee: Shaanxi Kewei Water Industrial Equipment Co ltd
Current assignee: Shaanxi Kewei Water Industrial Equipment Co ltd
Priority date: 2020-06-08
Filing date: 2020-12-09
Publication date: 2021-10-26
Anticipated expiration: 2030-12-09
Also published as: CN111609450A

Abstract

The utility model discloses an indoor heating device with heat source automatic cutout protection architecture, including heat source main line, controller, water flow switch, temperature sensor and check valve, flange fixedly connected with heat source import is passed through on the right side of heat source main line, and the inside fixed mounting of heat source import has electrical control valve, electrical control valve's input is connected with the controller through connecting wire, and the output of controller is connected with water flow switch and temperature sensor's input respectively through connecting wire, one side fixedly connected with hot water supply house steward that connecting wire was kept away from to temperature sensor. The utility model discloses the device simple structure, small in investment have realized under the condition that anhydrous flows, through controller control electrical control valve automatic cutout heat source to the overtemperature phenomenon can not appear doing again in the heat exchanger, and its normal work is guaranteed to the protection heat exchanger that can be fine, prolongs its life.

Description

Indoor heating device with automatic heat source cutting protection structure

Technical Field

The utility model relates to an automatic control heating technical field specifically is an indoor heating device with heat source automatic cutout protection architecture.

Background

With the continuous development of modern society, the heating system in the prior art transfers the heat of cold and hot media through a heat exchanger, and a temperature sensor is arranged on a hot water main supply pipe to adjust the opening of an electric adjusting valve on a heat source main pipe, so that the temperature of hot water supply is controlled, and the purposes of energy conservation and environmental protection are achieved.

However, on the basis of the continuous circulation of the hot water supply and return system, once the hot water supply and return system fails, the hot water cannot circulate continuously, that is, the hot water does not flow any more, and at this time, the heat source is still continuously supplied, so that the heat exchanger is dried, and the equipment is damaged in serious cases.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an indoor heating device with heat source automatic cutout protection architecture to the unable automatic cutout heat source of the heating system who proposes makes the heat exchanger form the problem of dry combustion method among the above-mentioned background of the solution.

In order to achieve the above object, the utility model provides a following technical scheme: an indoor heating device with a heat source automatic cutting protection structure comprises a heat source main pipeline, a controller, a water flow switch, a temperature sensor and a one-way valve, wherein the right side of the heat source main pipeline is fixedly connected with a heat source inlet through a connecting flange, an electric regulating valve is fixedly arranged inside the heat source inlet, the input end of the electric regulating valve is connected with the controller through a connecting wire, the output end of the controller is respectively connected with the input ends of the water flow switch and the temperature sensor through a connecting wire, one side, far away from the connecting wire, of the temperature sensor is fixedly connected with a hot water supply main pipe, the inside of the hot water supply main pipe is fixedly provided with the water flow switch, one side, far away from the temperature sensor, of the water flow switch is connected with a water outlet through a connecting flange, the left side of the water outlet is inserted into one side, close to the controller, of a heat exchanger, the heat exchanger is far away from the left side fixed surface of controller and is connected with the heat source export, the right side surface that the controller was kept away from to the heat exchanger is connected with hot water return water mouth, the first connecting pipe of inside fixedly connected with of heat exchanger, and the surface of first connecting pipe has cup jointed the baffle, the inner wall of heat exchanger is fixed with the hollow tube, and the fixed surface of hollow tube installs the nozzle, one side fixedly connected with second connecting pipe that the heat source import was kept away from to the hollow tube.

Preferably, the nozzles are uniformly and fixedly arranged on the front surface and the back surface of the hollow pipe, and the bottom end of the hollow pipe is fixedly provided with the one-way valve.

Preferably, the hollow pipes are arranged in four groups, and each group of hollow pipes is fixedly arranged at the central position between the baffles.

Preferably, the hollow tubes are circular ring-shaped and are connected with each other through a second connecting tube.

Preferably, the input end of the second connecting pipe is connected with the output end of the water pump, and the water pump is fixed on the inner wall of the heat exchanger.

Preferably, the check valves are provided with three groups, and the check valves are uniformly and fixedly installed on the lower surface of the hollow pipe.

Compared with the prior art, the beneficial effects of the utility model are that: the device has simple structure and low investment, realizes that the electric regulating valve is controlled by the controller to automatically cut off the heat source under the condition of no water flow, so that the heat exchanger can not be burnt in a dry mode and over-temperature, the heat exchanger can be well protected, the normal work of the heat exchanger is ensured, and the service life of the heat exchanger is prolonged.

(1) The device is provided with the controller, makes the heat exchanger water flow switch close when not having the water source to flow, can cut off the heat source that the heat source main pipe continues to carry simultaneously, through receiving and the transmission signal that the controller can be timely, has guaranteed the holistic even running of device, can also make the heat exchanger can not appear dry combustion method phenomenon.

(2) The device can make the inside remaining water that inhales in the heat exchanger of hollow tube through the water pump to spout water through the nozzle, wet dry heat exchanger inner wall, further avoid the heat exchanger inner wall to produce and damage, improved the life of heat exchanger.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic side view of the heat exchanger and hollow tube structure of the present invention;

fig. 4 is a schematic view of the front view of the structure of the present invention.

In the figure: 1. a heat source main pipe; 2. an electric control valve; 3. a heat exchanger; 4. a controller; 5. a water flow switch; 6. a temperature sensor; 7. a hot water supply main; 8. connecting a lead; 9. a water outlet; 10. a connecting flange; 11. a heat source inlet; 12. a heat source outlet; 13. a hot water return port; 14. a first connecting pipe; 15. a baffle plate; 16. a water pump; 17. a nozzle; 18. a hollow tube; 19. a second connecting pipe; 20. a one-way valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment 1:

the utility model provides an indoor heating device with heat source automatic cutout protection architecture, including heat source main pipe 1, controller 4, water flow switch 5, temperature sensor 6 and check valve 20, flange 10 fixedly connected with heat source import 11 is passed through on heat source main pipe 1's right side, and the inside fixed mounting of heat source import 11 has electrical control valve 2, electrical control valve 2's input is connected with controller 4 through connecting wire 8, and controller 4's output is connected with water flow switch 5 and temperature sensor 6's input respectively through connecting wire 8, one side fixedly connected with hot water supply main pipe 7 of connecting wire 8 is kept away from to temperature sensor 6, and the inside fixed mounting of hot water supply main pipe 7 has water flow switch 5.

One side that temperature sensor 6 was kept away from to rivers switch 5 is connected with delivery port 9 through flange 10, the left side of delivery port 9 is inserted and is established inside one side that heat exchanger 3 is close to controller 4, the left side fixed surface that controller 4 was kept away from to heat exchanger 3 is connected with heat source export 12, the right side surface that controller 4 was kept away from to heat exchanger 3 is connected with hot water return water mouth 13, the first connecting pipe 14 of inside fixed connection of heat exchanger 3, and baffle 15 has been cup jointed on the surface of first connecting pipe 14, rivers switch 5 is closed when not having the water source to flow through controller 4 messenger heat exchanger 3, can cut off the heat source that heat source main pipeline 1 continues the transport simultaneously, avoid heat exchanger 3 the phenomenon of dry combustion method to appear.

The inner wall of the heat exchanger 3 is fixed with a hollow pipe 18, the surface of the hollow pipe 18 is fixedly provided with a nozzle 17, the nozzle 17 is uniformly and fixedly arranged on the front surface and the back surface of the hollow pipe 18, the bottom end of the hollow pipe 18 is fixedly provided with a check valve 20, the spraying range of the nozzle 17 can be wide, the wetted area of the inner wall of the heat exchanger 3 is increased, the check valves 20 are provided with three groups, the check valves 20 are uniformly and fixedly arranged at the lower surface position of the hollow pipe 18, the check valve 20 enables water to only flow into the hollow pipe 18 and then be sprayed out through the nozzle 17 to form circulation, the hollow pipes 18 are provided with four groups, each group of hollow pipes 18 are fixedly arranged at the central position between the baffles 15, the nozzle 17 can spray a larger range as much as possible, the hollow pipes 18 are in a circular ring shape and are connected through a second connecting pipe 19, one side of the hollow pipes 18 far away from the heat source inlet 11 is fixedly connected with a second connecting pipe 19, the input end of the second connecting pipe 19 is connected with the output end of the water pump 16, the water pump 16 is fixed on the inner wall of the heat exchanger 3, the inner wall of the heat exchanger 3 can be wetted through the nozzle 17, and the service life of the heat exchanger 3 is guaranteed.

The working principle is as follows: when the hot water supply and return water circulation is normal: the heat source passes through heat source main pipe 1 and provides the heat for cold and hot medium energy exchange constantly, the temperature of hot water supply has been guaranteed, when exceeding hot water supply temperature's setting value, 4 ~ 20mA analog signal of temperature sensor 6 output, adjust the degree of opening and shutting of electrical control valve 2 rapidly through controller 4, close until electrical control valve 2, reduce the flow of heat source, and then reduce hot water supply temperature, it can not overtemperature to have guaranteed hot water supply temperature, controller 4 control water pump 16 works simultaneously, water pump 16 inhales remaining water in heat exchanger 3 inside hollow tube 18 through check valve 20, at control water pump 16 make the water in hollow tube 18 pass through nozzle 17 blowout, multiunit nozzle 17 evenly sprays water on the inner wall of heat exchanger 3, avoid heat exchanger 3 inner wall to be burnt futilely, the life of heat exchanger 3 has been guaranteed.

When the hot water supply and return water circulation stops: when the hot water circulation stops running due to various reasons or faults, the heat source still continuously provides heat exchange, at the moment, the single temperature sensor 6 cannot cut off the electric regulating valve 2 to prevent the supply of the heat source, the water flow switch 5 arranged on the hot water supply main pipe 7 can detect that the water body does not flow, namely, the hot water circulation stops, the water flow switch 5 quickly sends a signal to the controller 4, the controller 4 sends an instruction to the electric regulating valve 2, the electric regulating valve 2 executes the instruction to close the valve, the heat source is cut off, when the hot water circulation is normal, the water flow switch 5 receives a water body flowing signal and sends a signal to the controller 4, at the moment, the electric regulating valve 2 is reopened, the heat source is recovered to be circularly supplied, the whole system starts normal heat exchange, and the heating requirement of a user is met.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an indoor heating device with automatic protective structure that cuts off of heat source, includes heat source main line (1), controller (4), water flow switch (5), temperature sensor (6) and check valve (20), its characterized in that: the right side of the heat source main pipeline (1) is fixedly connected with a heat source inlet (11) through a connecting flange (10), an electric regulating valve (2) is fixedly arranged inside the heat source inlet (11), the input end of the electric regulating valve (2) is connected with a controller (4) through a connecting wire (8), the output end of the controller (4) is respectively connected with the input ends of a water flow switch (5) and a temperature sensor (6) through the connecting wire (8), one side, far away from the connecting wire (8), of the temperature sensor (6) is fixedly connected with a hot water main water supply pipe (7), the inside of the hot water main water supply pipe (7) is fixedly provided with the water flow switch (5), one side, far away from the temperature sensor (6), of the water flow switch (5) is connected with a water outlet (9) through the connecting flange (10), the left side of the water outlet (9) is inserted into one side, close to the controller (4), of the heat exchanger (3), the heat exchanger (3) is far away from a heat source outlet (12) fixedly connected with the left side surface of the controller (4), the heat exchanger (3) is far away from a right side surface of the controller (4) and is connected with a hot water return port (13), a first connecting pipe (14) fixedly connected with the inside of the heat exchanger (3), a baffle (15) is sleeved on the surface of the first connecting pipe (14), a hollow pipe (18) is fixed on the inner wall of the heat exchanger (3), a nozzle (17) is installed on the surface of the hollow pipe (18), and a second connecting pipe (19) fixedly connected with one side of the hollow pipe (18) far away from a heat source inlet (11)

The nozzles (17) are uniformly and fixedly arranged on the front surface and the back surface of the hollow pipe (18), and the bottom end of the hollow pipe (18) is fixedly provided with a one-way valve (20);

the hollow pipes (18) are arranged in four groups, and each group of hollow pipes (18) is fixedly arranged at the central position between the baffles (15).

2. An indoor heating system having an automatic heat source cutoff protection structure according to claim 1, wherein: the hollow pipes (18) are in a circular ring shape, and the hollow pipes (18) are connected through a second connecting pipe (19).

3. An indoor heating system having an automatic heat source cutoff protection structure according to claim 1, wherein: the input end of the second connecting pipe (19) is connected with the output end of the water pump (16), and the water pump (16) is fixed on the inner wall of the heat exchanger (3).

4. An indoor heating system having an automatic heat source cutoff protection structure according to claim 1, wherein: the check valves (20) are provided with three groups, and the check valves (20) are uniformly and fixedly arranged on the lower surface of the hollow pipe (18).