CN211552052U

CN211552052U - Directional hot water circulation control system

Info

Publication number: CN211552052U
Application number: CN201922497721.9U
Authority: CN
Inventors: 陈友苗; 陈奎宏
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-22
Anticipated expiration: 2029-12-31

Abstract

The utility model belongs to the technical field of domestic water, refer in particular to a directional hot water circulation control system, including the hot water source that connects gradually, the circulating pump, originated valve and pipe-in-pipe pipeline, be provided with pipe-in-pipe reflux valve on the pipe-in-pipe pipeline, it is including installing the valve body on pipe-in-pipe pipeline, be provided with the mounting hole on the valve body, the mounting hole is provided with the valve rod, the inner of valve rod is provided with the adjusting valve head, through the opening size of adjusting valve head control pipe-in-pipe pipeline's interior runner or outer runner to realize pipe-in-pipe pipeline's directional circulation. The utility model controls the size of the inner flow passage or the outer flow passage by adjusting the valve head, when the inner flow passage or the outer flow passage is blocked, the single flow passage can discharge liquid and flow directionally; in the pipe-in-pipe pipeline, because the inner flow passage and the outer flow passage are blocked, the inner flow passage and the outer flow passage do not participate in circulation, so that a great part of energy wasted due to circulation can be saved; when the inner and outer flow passages are opened, the liquid can be circulated and returned.

Description

Directional hot water circulation control system

Technical Field

The utility model belongs to the technical field of domestic water, refer in particular to a directional hot water circulation control system.

Background

At present, in the field of hot water supply, an old-fashioned single pipe is generally adopted to supply hot water, which is deeply welcomed by consumers due to the characteristics of convenient installation, low cost and the like and slowly becomes an industry installation standard and an industry installation standard. However, when the single pipe is long, a large amount of cold water in the pipe needs to be emptied before hot water is used, so that the time for waiting for hot water is long, and a large amount of water resources are wasted.

With the continuous progress of science and technology, the concept of a hot water circulation pipeline is introduced in the field of hot water supply, a hot water inlet pipe, a hot water return pipe and a cold water pipe are needed in a hot water loop, and the three pipelines are installed at the same time to achieve the purposes of quick water outlet and recycling of hot water. However, the layout of the three pipes becomes a difficult problem, which causes the problems of large design difficulty, high construction cost, large demand of raw materials for pipelines and the like, and the development is hindered at a little.

For the reasons, the applicant designs a single-pipe-in-pipe hot water circulation system (patent number 201820054377.9), and the core principle of the system is that hot water is supplied through an inner flow passage and returned through an outer flow passage, so that circulating water is used. However, there is a problem in that the ends of the inner flow channel and the outer flow channel of the pipe-in-pipe are communicated, and thus a circulating pump is required to be used for pressurization driving, when the number of branches of the system is large, and only one or more branches are required to work independently, the rest pipelines can form internal circulation, and the pipelines are long, so that the energy is seriously wasted.

Disclosure of Invention

The utility model aims at providing a simple structure, the energy saving can realize inside and outside runner independent control's directional hot water circulation control system.

The purpose of the utility model is realized like this:

the utility model provides a directional hot water circulation control system, includes hot water source, circulating pump, originated valve and pipe-in-pipe line that connects gradually, pipe-in-pipe line includes inner tube and outer tube, be provided with the interior runner in the inner tube be provided with the outer runner in the outer tube, be provided with pipe-in-pipe backward flow valve on the pipe-in-pipe line, pipe-in-pipe backward flow valve is including installing the valve body on pipe-in-pipe line, be provided with the mounting hole on the valve body, the mounting hole is provided with the valve rod, the inner of valve rod is provided with the adjusting valve head, through the opening size of the interior runner of pipe-in-pipe line or outer runner is controlled to the directional circulation of pipe-.

Preferably, when the regulating valve head controls the inner flow passage, the end part of the regulating valve head is in a conical structure; when the adjusting valve head controls the outer flow passage, the end part of the adjusting valve head is of an annular structure and is connected to the adjusting valve head main body through a plurality of connecting strips.

Preferably, a liquid outlet is formed in the valve body, and a control valve is arranged at the liquid outlet.

Preferably, a sealing ring is arranged at the installation position of the valve body and the valve rod.

Preferably, the regulator head is movably disposed at an end of the valve stem by a first spring.

Preferably, valve rod threaded connection is on the mounting hole, and the outer end that stretches out the valve body is provided with manual drive portion, perhaps, the outer end that the valve rod stretches out the valve body is provided with electric actuator, and electric actuator passes through controller control valve rod and stretches out and draw back.

Preferably, a manual delay switch or an induction delay switch is arranged between the controller and the electric driver, and a temperature probe of the induction delay switch is arranged in the valve body.

Preferably, the starting valve comprises a starting valve body, and a starting valve liquid inlet end B connected with the output end of the circulating pump, a starting valve liquid outlet end connected with the input end of the hot water source and a starting valve connecting end connected with a pipe-in-pipe pipeline of the connecting pipe are arranged on the starting valve body; the liquid inlet end B of the starting valve is communicated with the inner flow passage, the liquid outlet end of the starting valve is communicated with the outer flow passage, and the starting valve is provided with a check valve B.

Preferably, the valve body of the starting valve is further provided with a starting valve liquid inlet end A connected with the output end of the hot water source, the starting valve liquid inlet end A is communicated with the outer flow passage, and the starting valve is provided with a check valve A.

Preferably, the input of the hot water source is also provided with a tap water line through a tap water check valve.

Compared with the prior art, the utility model outstanding and profitable technological effect is:

1. the utility model is provided with a pipe-in-pipe reflux valve at the end of the original branch, which controls the size of the inner flow passage or the outer flow passage through the valve rod and the adjusting valve head, and can realize the liquid discharge and the directional flow of the single flow passage when blocking the inner flow passage or the outer flow passage; in the pipe-in-pipe pipeline, because the inner flow passage and the outer flow passage are blocked, the inner flow passage and the outer flow passage do not participate in circulation, so that a great part of energy wasted due to circulation can be saved; when the inner and outer flow passages are opened, the liquid can be circulated and returned.

2. The utility model discloses a pipe in pipe backwash valve's work can be realized to controller and delay switch control pipe, the automated control of pipeline.

3. The utility model discloses a pipe in pipe way pipeline for hot water circulating system, because the aperture ratio of inner tube is less, just begin inside cold water volume less, the water economy resource can realize going out hydrothermal function fast simultaneously.

4. The utility model discloses an originated valve feed liquor end is connected with ordinary three way connection, and three way connection one end is hot water feed liquor end, and the feed liquor end of circulating pump is connected to its other end, and the play liquid end of circulating pump communicates originated valve feed liquor end B, get into the pipe-in-pipe pipeline that originated valve link is connected. The utility model discloses a set up the valve body at pipe-in-pipe pipeline initiating terminal, the main objective makes things convenient for the pipe-in-pipe pipeline's into water and return water.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an installation schematic diagram of the starting valve and the circulation pump of the present invention.

Fig. 3 is a schematic structural diagram of the starting valve of the present invention.

Fig. 4 is a schematic structural diagram of a first embodiment of a pipe-in-pipe reflux valve for electrically adjusting the size of an internal flow passage.

Fig. 5 is a schematic structural diagram of a second pipe-in-pipe reflux valve embodiment for electrically adjusting the size of an external flow passage.

FIG. 6 is a schematic diagram of a third embodiment of a pipe-in-pipe reflux valve for manually adjusting the size of an internal flow passage.

FIG. 7 is a schematic diagram of a fourth embodiment of a pipe-in-pipe reflux valve with an external flow passage manually sized.

Fig. 8 is a schematic structural diagram of a fifth pipe-in-pipe reflux valve embodiment with internal flow passage size adjustment at the end.

Fig. 9 is a schematic structural view of a sixth pipe-in-pipe reflux valve embodiment with the size of the outer flow passage adjusted at the end.

Fig. 10 is a schematic structural view of a seventh pipe-in-pipe reflux valve embodiment for automatically adjusting the size of an internal flow passage.

Fig. 11 is a schematic structural diagram of an eighth pipe-in-pipe reflux valve embodiment for automatically adjusting the size of an external flow passage.

The reference numerals in the figures denote the meanings:

1-a valve body; 11-mounting holes; 12-a liquid outlet; 13-sealing ring;

2-pipe-in-pipe line; 21-inner tube; 22-an outer tube; 23-an inner flow passage; 24-an outer flow channel; 25-tube in tube; 26-a pipe joint;

3-a valve stem; 31-a manual drive;

4-adjusting the valve head; 41-connecting strips; 5-a control valve; 6-an electric drive; 7-a first spring;

100-pipe-in-pipe reflux valve; 200-a source of hot water; 300-a circulating pump; 400-start valve; 500-tap water lines; 600-a controller; 700-manual delay switch; 800-an inductive delay switch; 801-temperature probe;

401-starting valve body: 402-initial valve inlet end a; 403-initial valve liquid inlet end B; 404-initial valve outlet end; 405-start valve connection end; 416-check valve a; 417-check valve B.

Detailed Description

The invention will be further described with reference to specific embodiments below:

as shown in fig. 1-2, a directional hot water circulation control system includes a hot water source 200, a circulation pump 300, a start valve 400, and a pipe-in-pipe pipeline 2, which are connected in sequence, where the pipe-in-pipe pipeline 2 includes a pipe-in-pipe 25 and a pipe joint 26, and both include an inner pipe 21 and an outer pipe 22, an inner flow channel 23 is provided in the inner pipe 21, an outer flow channel 24 is provided in the outer pipe 22, and the inner flow channel 23 and the outer flow channel 24 can realize internal and external circulation.

As shown in fig. 3, the starting valve 400 includes a starting valve body 401, and the starting valve body 401 is provided with a starting valve liquid inlet end B403 connected to the output end of the circulating pump 300, a starting valve liquid outlet end 404 connected to the input end of the hot water source 200, and a starting valve connecting end 405 connected to the pipe-in-pipe pipeline 2; the liquid inlet end B403 of the starting valve is communicated with the inner flow passage 23, the liquid outlet end 404 of the starting valve is communicated with the outer flow passage 24, and a check valve B417 is arranged to prevent liquid from flowing back.

In order to facilitate the simultaneous hot water discharge of the inner and outer flow channels, the starting valve body 401 is further provided with a starting valve liquid inlet end a402 connected with the output end of the hot water source 200, the starting valve liquid inlet end a402 is communicated with the outer flow channel 24, and is provided with a check valve a416, so that when the circulating pump works, the circulating pump can be prevented from flowing back. Preferably, the output end of the hot water source 200 is respectively connected with the inlet end A402 of the starting valve and the inlet end of the circulating pump 300 through a three-way joint.

The hot water source 200 is preferably a gas water heater or an air energy water heater or an electric water heater. The water is conveniently supplemented, and the input end of the hot water source 200 is also provided with a tap water pipeline 500 through a tap water check valve.

Be provided with pipe-in-pipe reflux valve 100 in pipe-in-pipe pipeline 2's the branch road, the utility model discloses pipe-in-pipe reflux valve 100's primary function is just to adjust the size of interior runner 23 or outer runner 24, realizes that single current way goes out liquid and controls the inside and outside runner backward flow. Thus, different functions of the bypass may be achieved by selecting different pipe-in-pipe reflux valves 100. The pipe-in-pipe reflux valve 100 has the following specific structure:

pipe-in-pipe reflux valve embodiments one and two:

as shown in fig. 4-5, the pipe-in-pipe reflux valve 100 includes a valve body 1 capable of being installed on a pipe-in-pipe pipeline 2, a mounting hole 11 is provided on the valve body 1, a valve rod 3 is provided on the mounting hole 11, and a sealing ring 13 is provided at the installation position of the valve body 1 and the valve rod 3. The inner end of the valve rod 3 is provided with an adjusting valve head 4, and the opening size of an inner flow passage 23 or an outer flow passage 24 of the pipe-in-pipe pipeline 2 is controlled through the adjusting valve head 4. Specifically, when the adjusting valve head 4 controls the inner flow passage 23, the end of the adjusting valve head 4 is in a conical structure; when the adjusting valve head 4 controls the outer flow passage 24, the end part of the adjusting valve head 4 is in an annular structure and is provided with an oblique chamfer of the sealed outer flow passage, and the annular structure is connected to the adjusting valve head main body through a plurality of connecting strips 41, so that the supporting and the liquid discharging of the inner flow passage are facilitated.

Preferably, a liquid outlet 12 is formed in the valve body 1, a control valve 5 is arranged at the position of the liquid outlet 12, the control valve 5 is arranged in the valve body 1, the control valve 5 is preferably a ball valve or a ceramic valve or an angle valve, and liquid can be conveniently discharged through the control valve 5.

The outer end that valve rod 3 stretches out valve body 1 is provided with electric actuator 6, and electric actuator 6 passes through controller 600 control valve rod 3 and stretches out and draws back. The electric drive 6 is preferably a solenoid valve or an electric or electrothermal valve. Fig. 4 is a structural schematic diagram of the electric driver 6 for controlling the inner flow passage, wherein the end of the adjusting valve head 4 is in a tapered structure; fig. 5 is a schematic structural diagram of the electric driver 6 for controlling the outer flow passage, the end of the adjusting valve head 4 is in a ring structure and is provided with a bevel chamfer for sealing the outer flow passage, and the ring structure is connected to the adjusting valve head body through a plurality of connecting strips 41.

In order to facilitate automatic control, a manual delay switch 700 or an inductive delay switch 800 is arranged between the controller 600 and each electric driver 6, and a temperature probe 801 of the inductive delay switch 800 is arranged in the valve body 1.

Pipe-in-pipe reflux valve examples three and four:

as shown in fig. 6 to 7, this embodiment is substantially the same as the first embodiment, except for the internal structure of the pipe-in-pipe reflux valve 100: in order to facilitate the adjustment of the valve rod, the valve rod 3 is screwed on the mounting hole 11, and the outer end extending out of the valve body 1 is provided with a manual driving part 31 and manually controls the position of the adjusting valve head 4.

Pipe-in-pipe reflux valve examples five and six:

as shown in fig. 8 to 9, this embodiment is substantially the same as the first embodiment, except for the internal structure of the pipe-in-pipe reflux valve 100: the valve body 1 is not provided with a liquid outlet 12 which is mainly arranged at the terminal of the pipeline, when the electric driver 6 drives the valve rod 3 to extend out, the inner flow channel or the outer flow channel is sealed, so that the subsequent pipe-in-pipe pipeline 2 does not have internal circulation, and a great part of energy wasted due to circulation can be saved; when the subsequent pipe-in-pipe pipeline 2 needs to flow back, the electric driver 6 drives the valve rod 3 to retract.

Tube-in-tube reflux valve examples seven and eight:

as shown in fig. 10 to 11, this embodiment is substantially the same as the first embodiment, except for the internal structure of the pipe-in-pipe reflux valve 100: the regulating valve head 4 is movably arranged at the end part of the valve rod 3 through a first spring 7. Specifically, the end of the valve rod 3 is provided with a movable hole, a first spring 7 and the adjusting valve head 4 are arranged in the movable hole, one end of the adjusting valve head 4 is abutted against the first spring 7, and the other end of the adjusting valve head 4 is abutted against the inner flow passage or the outer flow passage. The utility model discloses be provided with first spring 7, the steady play liquid of the confession pressure balance and liquid outlet 12 of assurance pipeline of runner or outer runner in the control that can be dynamic also can realize the effect of pipeline high pressure backward flow simultaneously.

In addition, the valve rod 3 is connected to the mounting hole 11 in a threaded manner, a manual driving portion 31 is arranged at the outer end of the valve body 1, and the manual driving portion 31 is rotated to move the valve rod 3 so as to adjust the elastic force of the first spring 7 and adjust the output pressure.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a directional hot water circulation control system, includes hot water source (200), circulating pump (300), initial valve (400) and pipe-in-pipe pipeline (2) that connect gradually, pipe-in-pipe pipeline (2) include inner tube (21) and outer tube (22), be provided with interior runner (23) in inner tube (21), be provided with outer runner (24) in outer tube (22), its characterized in that: be provided with pipe-in-pipe return valve (100) on pipe-in-pipe pipeline (2), pipe-in-pipe return valve (100) is including installing valve body (1) on pipe-in-pipe pipeline (2), be provided with mounting hole (11) on valve body (1), mounting hole (11) are provided with valve rod (3), the inner of valve rod (3) is provided with adjusting valve head (4), through adjusting valve head (4) control pipe-in-pipe pipeline's (2) interior runner (23) or the opening size of outer runner (24) to realize the directional circulation of pipe-in-pipe pipeline (2).

2. A directional hot water circulation control system according to claim 1, wherein: when the adjusting valve head (4) controls the inner flow passage (23), the end part of the adjusting valve head (4) is in a conical structure; when the adjusting valve head (4) controls the outer flow passage (24), the end part of the adjusting valve head (4) is in an annular structure and is connected to the adjusting valve head body through a plurality of connecting strips (41).

3. A directional hot water circulation control system according to claim 1, wherein: a liquid outlet (12) is formed in the valve body (1), and a control valve (5) is arranged at the position of the liquid outlet (12).

4. A directional hot water circulation control system according to claim 1, wherein: and a sealing ring (13) is arranged at the mounting position of the valve body (1) and the valve rod (3).

5. A directional hot water circulation control system according to any one of claims 1 to 4, wherein: the adjusting valve head (4) is movably arranged at the end part of the valve rod (3) through a first spring (7).

6. A directional hot water circulation control system according to any one of claims 1 to 4, wherein: valve rod (3) threaded connection is on mounting hole (11), and the outer end that stretches out valve body (1) is provided with manual drive portion (31), perhaps, the outer end that valve rod (3) stretched out valve body (1) is provided with electric actuator (6), and electric actuator (6) are flexible through controller (600) control valve rod (3).

7. A directional hot water circulation control system according to claim 6, wherein: a manual delay switch (700) or an induction delay switch (800) is arranged between the controller (600) and the electric driver (6), and a temperature probe (801) of the induction delay switch (800) is arranged in the valve body (1).

8. A directional hot water circulation control system according to claim 1, wherein: the starting valve (400) comprises a starting valve body (401), and a starting valve liquid inlet end B (403) connected with the output end of the circulating pump (300), a starting valve liquid outlet end (404) connected with the input end of the hot water source (200) and a starting valve connecting end (405) connected with the pipe-in-pipe pipeline (2) are arranged on the starting valve body (401); the liquid inlet end B (403) of the starting valve is communicated with the inner flow passage (23), the liquid outlet end (404) of the starting valve is communicated with the outer flow passage (24), and a check valve B (417) is arranged.

9. A directional hot water circulation control system according to claim 8, wherein: the starting valve body (401) is also provided with a starting valve liquid inlet end A (402) connected with the output end of the hot water source (200), the starting valve liquid inlet end A (402) is communicated with the outer flow passage (24), and the starting valve is provided with a check valve A (416).

10. A directional hot water circulation control system according to claim 8 or 9, wherein: the input end of the hot water source (200) is also provided with a tap water pipeline (500) through a tap water one-way valve.