CN216865333U

CN216865333U - Pipeline anti-freezing control device

Info

Publication number: CN216865333U
Application number: CN202123002572.8U
Authority: CN
Inventors: 吴志元; 吴兆冲; 梁玉宁
Original assignee: Nanjing Spirui Cooling And Heating Equipment Co ltd
Current assignee: Nanjing Spirui Cooling And Heating Equipment Co ltd
Priority date: 2021-12-02
Filing date: 2021-12-02
Publication date: 2022-07-01
Anticipated expiration: 2031-12-02

Abstract

The utility model discloses a pipeline anti-freezing control device which comprises an outdoor temperature sensor positioned outdoors, a timing circulating water pump positioned indoors, a controller positioned indoors and an annular circulating pipe network distributed indoors and outdoors, wherein the outdoor temperature sensor is in communication connection with the controller, the timing circulating water pump is connected into the annular circulating pipe network, the timing circulating water pump is in communication connection with the controller, and water flow is contained in the annular circulating pipe network. By setting the circulating pipeline control system, the utility model artificially forms the anti-freezing pipe section within a certain non-freezing time period, outdoor pipeline water can circularly flow with indoor pipeline water within a set time, and the water temperature of the outdoor pipeline is increased, thereby ensuring that the outdoor pipeline water is not frozen and the drainage phenomenon of the anti-freezing valve is not caused.

Description

Pipeline anti-freezing control device

Technical Field

The utility model relates to a pipeline anti-freezing control device, and belongs to the technical field of water supply and drainage.

Background

In the vast cold regions in winter, the outdoor temperature is below 0 ℃ for a long time, and a water supply pipeline in an outdoor exposed atmosphere environment is frozen and cannot be used and is damaged. There are currently two general solutions: firstly, heat preservation is carried out through a pipeline, which is the most traditional method and belongs to passive preventive measures; and secondly, an antifreezing valve is adopted, and the method belongs to active preventive measures.

The prior art mainly has the following defects: firstly, through pipeline heat preservation, this is the most traditional way, but when the heat preservation wets, damages, ambient temperature is very low and use the water spot service interval cycle longer, still can appear freezing the phenomenon, once freeze the thawing difficulty, still have pipeline or accessory and freeze the hidden danger. Secondly, an antifreezing valve is adopted, the valve is a self-operated temperature control drain valve, namely when the environmental temperature is lower than 4 ℃, the valve starts to drain water, the water in the antifreezing pipe section is replaced by the static water in a flowing mode to prevent the water in the pipeline from freezing, and the drainage is stopped when the environmental temperature is higher than 4 ℃, so that the antifreezing valve belongs to an active prevention measure; this valve has the following disadvantages: 1. for vast northern cold areas, a long drainage period exists, and water resources are wasted; 2. drainage is easy to cause the icing and plugging of drainage pipelines or the icing of peripheral ground; 3. outdoor decentralized installation, namely, an anti-freezing valve must be installed at each water consumption point.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the technical defects in the prior art, and aims to solve the problems that a water supply pipeline in an outdoor low-temperature environment cannot be used and water appliances for pipelines and accessories are frozen, the pipeline anti-freezing control device is provided, and by arranging a circulating pipeline control system, an anti-freezing pipeline section is artificially formed within a certain non-freezing time period (time is adjustable), outdoor pipeline water can circularly flow with indoor pipeline water within a set time, the water temperature of the outdoor pipeline is increased, the outdoor pipeline water is ensured not to be frozen, and the drainage phenomenon of an anti-freezing valve is avoided. Meanwhile, the control device is controlled by the premise of setting (adjusting) the ambient temperature, the ambient temperature condition is not met, and the circulating system does not work.

The utility model specifically adopts the following technical scheme: pipeline freeze-proof control device is including being arranged in outdoor temperature sensor, being arranged in indoor timing circulating water pump, being arranged in indoor controller, distributing in indoor and outdoor annular circulation pipe network, outdoor temperature sensor with the controller communication is connected, timing circulating water pump connects in the annular circulation pipe network, timing circulating water pump with the controller communication is connected, the annular circulation pipe network has held rivers.

As a preferred embodiment, a time relay is arranged in the timing circulating water pump and is in communication connection with the controller.

As a better embodiment, a plurality of indoor water consumption points are arranged in the room and connected into the circular circulation pipe network.

As a better embodiment, a plurality of outdoor water consumption points are arranged in the outdoor, and the outdoor water consumption points are connected into the annular circulation pipe network.

As a preferred embodiment, the annular circulation pipe network is externally connected with a house-entering pipeline, and the house-entering pipeline is arranged outdoors.

As a better embodiment, the underground pipeline is arranged outdoors and is arranged below outdoor ground outdoors, and the underground pipeline is connected with the house-entering pipeline.

In a preferred embodiment, the annular circulation pipe network is made of DN15 type pipe material.

In a preferred embodiment, the power of the timing water circulating pump is 60W.

The utility model achieves the following beneficial effects: 1. the defect that the anti-freezing valve sold on the market can automatically drain water outdoors at low temperature for a long time is overcome. 2. The system and the control principle are simple, safe, reliable and low in cost. 3. The cycle time period is set, the outdoor water supply system is not influenced by regions and low-temperature and severe cold climates of the outdoor environment, and outdoor water can be guaranteed in any season. 4. The indoor shape is annular pipeline, and the pipeline head loss diminishes, improves the pipeline circulation ability, avoids many water points simultaneously to use water pressure and the undulant influence of discharge. 5. The power of the circulating water pump is very low, generally about 60w, the working time is very short, the energy consumption is extremely low, and the service life of the water pump is long.

Drawings

FIG. 1 is a schematic connection diagram of a preferred embodiment of the present invention;

FIG. 2 is a schematic external view of the outdoor water consuming point of the present invention;

fig. 3 is a schematic of the topology of the controller of the present invention.

The meanings of the symbols in the figures: 1-indoor; 2-outdoors; 3-a timing circulating water pump; 4-a controller; 5-outdoor temperature sensor; 6-house-entry pipeline; 7-a circular circulating pipe network; 8-indoor water consumption point; 9-outdoor water consumption point; 10-outdoor ground; 11-buried pipelines; 12-water flow.

Detailed Description

The utility model is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

As shown in fig. 1 and 2, the utility model provides a pipeline anti-freezing control device, which comprises an outdoor temperature sensor 5 positioned in an outdoor 2, a timing circulating water pump 3 positioned in an indoor 1, a controller 4 positioned in the indoor 1, and an annular circulating pipe network 7 distributed in the indoor 1 and the outdoor 2, wherein the outdoor temperature sensor 5 is in communication connection with the controller 4, the timing circulating water pump 3 is connected into the annular circulating pipe network 7, the timing circulating water pump 3 is in communication connection with the controller 4, and a water flow 12 is contained in the annular circulating pipe network 7.

In a preferred embodiment, the timing water circulating pump 3 is provided with a time relay, and the time relay is in communication connection with the controller 4.

As a preferred embodiment, a plurality of indoor water consumption points 8 are arranged in the indoor part 1, and the indoor water consumption points 8 are connected into the annular circulation pipe network 7.

As a preferred embodiment, a plurality of outdoor water consumption points 9 are arranged in the outdoor 2, and the outdoor water consumption points 9 are connected into the circular circulation pipe network 7.

As a preferred embodiment, the circular circulation pipe network 7 is externally connected with a service pipe 6, and the service pipe 6 is disposed in the outdoor 2.

As a preferred embodiment, the outdoor 2 is provided with a buried pipeline 11, the buried pipeline 11 is arranged below the outdoor ground 10 of the outdoor 2, and the buried pipeline 11 is connected with the service entrance pipeline 6.

In a preferred embodiment, the annular circulation pipe network 7 is made of DN15 type pipe material.

In a preferred embodiment, the power of the timing water pump 3 is 60W.

As shown in fig. 3, the outdoor temperature sensor 7 obtains the outdoor ambient temperature T and inputs the outdoor ambient temperature T into the controller 4, the power supply supplies power to the controller 4, the controller 4 sets the output on temperature T1, when T is less than or equal to T1, the time relay power supply in the timing water circulating pump 3 is turned on, the timing water circulating pump 3 drives the water flow 12 in the annular circulating pipe network 7 to enter an infinite circulating period working state, the on time of the infinite circulating time relay is set to S1, the off time is set to S2, S1 and S2, and the timing water circulating pump 3 is determined according to local extreme low temperature condition tests, and is operated in an infinite circulating and discontinuous mode; when T > T1, the return controller 4 continues to determine the on temperature T1 and the outdoor ambient temperature T.

Through test tests, the annular circulation pipe network 7 adopts a DN15 model pipeline, the initial 10 ℃ water icing period is 165 minutes at the ambient temperature of-18 ℃, the freezing can be avoided as long as the approximately frozen 0 ℃ water or a small amount of ice-water mixture circularly flows into the indoor 10 ℃ water within the 0.75 icing period (such as 120 minutes), and the circulation time is 1-3 minutes/120 minutes discontinuously.

The control logic is that when the environment low temperature is lower than the set starting temperature, the timing circulating water pump 3 works immediately and enters an infinite circulating time control mode, the timing circulating water pump 3 is controlled to drive the pipeline water flow 12 to circularly flow in a time circulating period, and when the outdoor environment temperature is higher than the set temperature, the infinite circulating period time relay controls the whole device system to stop working. During the cycle working period of the timing cycle water pump 3, the water temperature of the pipeline in the outdoor exposed atmosphere environment is improved through heat exchange between the underground soil and the indoor environment temperature and water replacement.

The technical scheme of the utility model has the beneficial effects that: 1. the defect that the commercially sold anti-freezing valve automatically drains water outdoors at low temperature for a long time is overcome. 2. The system and the control principle are simple, safe, reliable and low in cost. 3. The cycle time period is set, the outdoor water supply system is not influenced by regions and low-temperature and severe cold climates of the outdoor environment, and outdoor water can be guaranteed in any season. 4. The indoor shape is annular pipeline, and the pipeline head loss diminishes, improves the pipeline circulation ability, avoids many water points simultaneously to use water pressure and the undulant influence of discharge. 5. The power of the circulating water pump is very low, generally about 60w, the working time is very short, the energy consumption is extremely low, and the service life of the water pump is long.

The utility model relates to a closed circulation system, which mainly aims to enable pipeline water to circularly flow under the condition of not using, and plays a role in outdoor pipeline anti-freezing through heat exchange and water replacement. Compared with the antifreezing valve in the market, the water discharging amount is smaller due to short-time water cut-off, and the water resource is saved.

As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and so forth) having computer-usable program code embodied therein.

The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks. These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks. These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the utility model without departing from the spirit and scope of the utility model, which is to be covered by the claims.

Claims

1. Pipeline freeze-proof control device, its characterized in that is including being arranged in outdoor (2) outdoor temperature sensor (5), being arranged in indoor (1) timing circulating water pump (3), being arranged in indoor (1) controller (4), distributing in indoor (1) and outdoor (2) annular circulation pipe network (7), outdoor temperature sensor (5) with controller (4) communication is connected, timing circulating water pump (3) are connected into in the annular circulation pipe network (7), timing circulating water pump (3) with controller (4) communication is connected, water stream (12) have been held in annular circulation pipe network (7).

2. The pipeline anti-freezing control device as claimed in claim 1, characterized in that a time relay is arranged in the timing circulating water pump (3), and the time relay is in communication connection with the controller (4).

3. The pipe antifreeze control device according to claim 1, wherein a plurality of indoor water consumption points (8) are provided in the indoor (1), and the indoor water consumption points (8) are connected into the annular circulation pipe network (7).

4. The pipe antifreeze control device according to claim 1, characterized in that a plurality of outdoor water points (9) are provided in the outdoor space (2), and the outdoor water points (9) are connected into the endless circulation pipe network (7).

5. The pipeline anti-freezing control device as claimed in claim 1, characterized in that the circular circulation pipe network (7) is externally connected with a service pipe (6), and the service pipe (6) is arranged in the outdoor space (2).

6. The pipeline anti-freezing control device according to claim 5, characterized in that the outdoor (2) is provided with a buried pipeline (11), the buried pipeline (11) is arranged below the outdoor ground (10) of the outdoor (2), and the buried pipeline (11) is connected with the service pipe (6).

7. The pipeline anti-freezing control device as claimed in claim 1, characterized in that the annular circulation pipe network (7) is made of DN15 type pipeline material.

8. The pipe freeze control apparatus according to claim 1, wherein the power of the timed circulating water pump (3) is 60W.