CN212930496U - Electric control type pipe-in-pipe hot water system - Google Patents
Electric control type pipe-in-pipe hot water system Download PDFInfo
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- CN212930496U CN212930496U CN202021834015.5U CN202021834015U CN212930496U CN 212930496 U CN212930496 U CN 212930496U CN 202021834015 U CN202021834015 U CN 202021834015U CN 212930496 U CN212930496 U CN 212930496U
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Abstract
The utility model belongs to the technical field of domestic water, refer in particular to an automatically controlled formula pipe-in-pipe hot water system, it includes pipe-in-pipe pipeline, be provided with interior runner and outer runner in the pipe-in-pipe pipeline, and be provided with out liquid equipment on its branch road, be provided with the first inner tube installation end of runner in the intercommunication and the first outer tube installation end of the outer runner of intercommunication on the pipe-in-pipe pipeline, first inner tube installation end and first outer tube installation end are respectively through the play liquid end that advances water piping connection water heater, be provided with automatically controlled valve on one of them inlet tube, be provided with rivers inductive switch on the runner at another inlet tube place. When the liquid outlet equipment is opened, the inner flow passage is smaller in diameter, so that the inner flow passage can preferentially and quickly discharge water, and the requirement of short-time and small-quantity water utilization is met. After the cold water in the inner runner is discharged, the controller controls the electric control valve to open the outer runner, the cold water in the outer runner can be mixed with the hot water in the inner runner and can be directly used, the liquid outlet amount is ensured, the waste of the cold water in the outer runner is reduced, and two purposes are achieved at one stroke.
Description
Technical Field
The utility model belongs to the technical field of domestic water, refer in particular to an automatically controlled formula pipe-in-pipe hot water system.
Background
The pipe-in-pipe pipeline consists of a pipe-in-pipe and a pipe-in-pipe joint, and both the pipe-in-pipe and the pipe-in-pipe joint are formed by a pipe-in-pipe inner pipe forming an inner flow passage and a pipe-in-pipe outer pipe forming an outer flow passage.
The utility model discloses a utility model patent with application number CN201820054377.9 discloses a hot water circulating system, it is including the water heater, circulating pump, the originated valve of non-return type, the hot-water line who comprises hot-water line and coupling and the tail valve of connecting external equipment that connect gradually. The liquid inlet end of the circulating pump is connected with the output end of the water heater, and the output end of the circulating pump is connected with the non-return starting valve; a hot water flow passage communicated with the liquid inlet cavity of the starting valve and a water return flow passage communicated with the return cavity of the starting valve are arranged in the hot water pipe, and the hot water pipes are mutually connected through pipe joints; the liquid outlet end of the hot water pipe is provided with a tail valve, the tail valve comprises a tail valve body, a tail valve liquid inlet cavity communicated with a hot water flow passage and a tail valve backflow cavity communicated with a backwater flow passage are arranged in the tail valve body, and the tail valve liquid inlet cavity and the tail valve backflow cavity can be communicated with external equipment. The utility model has the characteristics of energy-concerving and environment-protective, pipeline layout is convenient, low-cost, can realize going out water etc. fast.
The hot water circulation system is mainly applied to places with large hot water demand, such as villas, hotels, collective dormitories and the like. When the demand of hot water is smaller, the hot water is not required to be recycled in order to save resources. Even like this, the hot-water velocity of going out has improved a lot more to pipe-in-pipe pipeline compares ordinary pipeline, but, because it is not high to use hot water frequency, the hot water of inside and outside runner also cools off easily, when we meet the small demand water such as washing hand, face, still can not in time experience hot water.
Therefore, the applicant further shortens the liquid outlet time of the hot water by delaying the liquid outlet of the inner flow passage or the outer flow passage, and provides a better water using experience for users.
Disclosure of Invention
The utility model aims at providing a simple structure, hot water goes out liquid soon, and the energy saving is opened automatically controlled formula pipe in pipe hot water system who uses promptly.
The purpose of the utility model is realized like this:
an electric control type pipe-in-pipe hot water system comprises a pipe-in-pipe pipeline consisting of a pipe-in-pipe and a pipe joint, wherein an inner runner and an outer runner are arranged in the pipe-in-pipe pipeline, a liquid outlet device is arranged on a branch pipeline of the pipe-in-pipe pipeline,
the pipe-in-pipe pipeline is provided with a first inner pipe mounting end communicated with the inner flow passage and a first outer pipe mounting end communicated with the outer flow passage, the first inner pipe mounting end and the first outer pipe mounting end are respectively connected with the liquid outlet end of the water heater through water inlet pipes, one of the water inlet pipes is provided with an electric control valve, and the flow passage where the other water inlet pipe is located is provided with a water flow induction switch;
the electric control valve and the water flow inductive switch are both connected with the controller, and when the water flow inductive switch detects a water flow signal, the controller can control the electric control valve to act, and the delayed water outlet of a flow channel where the electric control valve is located is realized.
Preferably, a booster pump is further arranged on the other water inlet pipe and is connected with the controller.
Preferably, the feed liquor end of pipe-in-pipe line way is provided with originated valve, originated valve includes originated valve body, is provided with first inner tube installation end, first outer tube installation end on the originated valve body and connects the pipe-in-pipe end of interior runner and outer runner.
Preferably, when the electric control valve is a normally open type electric control valve, the controller controls the electric control valve to close when the water flow sensing switch detects a water flow signal, and then, after the other flow passage discharges hot water, the controller controls the electric control valve to delay to open;
or, when the electric control valve is a normally closed electric control valve, the controller controls the electric control valve to delay opening after the water flow induction switch detects a water flow signal.
Preferably, the control time for the controller to delay opening is 10-20 seconds.
Preferably, a second outer pipe mounting end communicated with the outer flow channel is further arranged on the starting valve body, a liquid outlet one-way valve is arranged at the second outer pipe mounting end and is connected with a liquid inlet end of the water heater through a return pipe, and the liquid inlet end of the water heater is further connected with a cold water pipe; the first outer pipe mounting end 33 is provided with a liquid inlet check valve, and an electric control valve is arranged on the water inlet pipe where the first outer pipe mounting end is located.
Preferably, the liquid outlet equipment is arranged on a branch of the pipe-in-pipe pipeline through a tail valve,
the tail valve comprises a tail valve body and a tail valve inner pipe arranged in the tail valve body, and the end parts of the tail valve body and the tail valve inner pipe are at least provided with a tail valve connecting end of a pipe pipeline in a connecting pipe and a tail valve mounting end for mounting the liquid outlet equipment.
Preferably, the tail valve mounting end is provided with a check valve core, the check valve core comprises a hollow valve rod, and the outer side wall of the valve rod is provided with a connecting part for fixing in the tail valve body; the inner end of the valve rod is arranged at the end part of the tail valve inner tube, an elastic piece and a valve plate are sleeved outside the valve rod, one end of the elastic piece is abutted against the connecting part, and the other end of the elastic piece abuts against and seals the valve plate on a liquid outlet of the outer flow passage; in addition, a drain hole for draining the liquid from the outer flow passage is arranged on the valve rod or the connecting part.
Preferably, the valve plate is provided with a backflow hole.
Preferably, the periphery of connecting portion is provided with the external screw thread, tail valve installation end is provided with the internal thread, both threaded connection.
Compared with the prior art, the utility model outstanding and profitable technological effect is: when the liquid outlet equipment is opened, the inner flow passage is smaller in diameter, so that the inner flow passage can preferentially and quickly discharge water, and the requirement of short-time and small-quantity water utilization is met; in addition, because the amount of cold water stored in the inner pipe is relatively small, the cold water emptying amount is saved compared with the common pipeline. After the cold water in the inner runner is discharged, the controller controls the electric control valve to open the outer runner, the cold water in the outer runner can be mixed with the hot water in the inner runner and can be directly used, the liquid outlet amount is guaranteed, the waste of the cold water in the outer runner is reduced, and two purposes are achieved at one stroke.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the hot water system of the present invention.
Fig. 2 is a schematic structural diagram of a second embodiment of the hot water system of the present invention.
Fig. 3 is a schematic structural diagram of a third embodiment of the hot water system of the present invention.
Fig. 4 is a schematic structural diagram of a fourth embodiment of the hot water system of the present invention.
Fig. 5 is a schematic structural view of a first embodiment of the tail valve of the present invention.
FIG. 6 is a cross-sectional view of the valve plate at A-A in FIG. 5.
Fig. 7 is a schematic structural view of a second embodiment of the tail valve of the present invention.
Fig. 8 is a schematic structural view of a third embodiment of the tail valve of the present invention.
The reference numerals in the figures denote the meanings:
1-pipe-in-pipe piping; 2-liquid outlet equipment; 3-a start valve; 4-a water heater; 5-water inlet pipe; 6-an electric control valve; 7-water flow inductive switch; 8-a controller; 9-a booster pump; 10-a return pipe;
11-tube in tube; 12-a pipe joint; 13-a cold water pipe;
20-a tail valve; 21-tail valve body; 22-tail valve inner tube; 23-tail valve connection end; 24-tail valve mounting end;
31-starting valve body; 32-a first inner tube mounting end; 33-a first outer tube mounting end; 34-a tube-in-tube connection end; 35-a second outer tube mounting end; 36-liquid outlet one-way valve; 37-liquid inlet one-way valve;
40-check valve core; 41-valve stem; 42-a connecting portion; 43-an elastic member; 44-valve plate; 45-a liquid outlet; 46-water holes; 47-refluxing hole.
Detailed Description
The invention will be further described with reference to specific embodiments below:
the first embodiment is as follows:
as shown in fig. 1, an electric control type pipe-in-pipe hot water system comprises a pipe-in-pipe pipeline 1 composed of a pipe-in-pipe 11 and a pipe joint 12, wherein the pipe-in-pipe pipeline 1 is formed by coaxially sleeving an inner pipe and an outer pipe and then fixing and forming the inner pipe and the outer pipe through connecting ribs, and an inner flow passage and an outer flow passage are formed between the inner pipe and the outer pipe. The branch of the pipe-in-pipe pipeline 1 is provided with a liquid outlet device 2, and the liquid outlet device 2 generally refers to a tap, a shower head and other liquid separating instruments.
The pipe-in-pipe pipeline 1 is provided with a first inner pipe mounting end 32 communicated with an inner flow passage and a first outer pipe mounting end 33 communicated with an outer flow passage, the first inner pipe mounting end 32 and the first outer pipe mounting end 33 are respectively connected with a liquid outlet end of the water heater 4 through the water inlet pipe 5, one water inlet pipe 5 is provided with the electric control valve 6, and the flow passage where the other water inlet pipe 5 is located is provided with the water flow induction switch 7. The liquid inlet end of the water heater 4 is provided with a cold water pipe 13, and the cold water pipe 13 is preferably a tap water pipe.
In this embodiment, the electric control valve 6 is disposed on the water inlet pipe 5 where the first outer pipe mounting end 33 is located, the water inlet pipe 5 where the first inner pipe mounting end 32 is located is provided with the water flow inductive switch 7, and the water flow inductive switch 7 may also be disposed on the main water inlet pipe at the liquid outlet end of the water heater 4, and can sense water flow.
The electric control valve 6 and the water flow inductive switch 7 are both connected with the controller 8, when the liquid outlet device 2 is opened, the water flow inductive switch 7 detects a water flow signal, and the controller 8 can control the electric control valve 6 to act, and the delayed water outlet of a flow channel where the electric control valve is located is realized.
Specifically, if the electronic control valve 6 is a normally open type electronic control valve, when the water flow sensing switch 7 detects a water flow signal, the controller 8 controls the electronic control valve 6 to close, and then, after the other flow passage (i.e., the inner flow passage) is filled with hot water, the controller 8 controls the electronic control valve 6 to delay opening of the outer flow passage.
If the electric control valve 6 is a normally closed electric control valve, after the water flow induction switch 7 detects a water flow signal, the controller 8 controls the electric control valve 6 to delay opening of the outer flow passage.
In both configurations, the controller 8 delays opening for a control time of 10-20 seconds, preferably 15 seconds. In this embodiment, the control time is mainly determined by the time for emptying cold water in the inner flow passage: the smaller the pipe diameter is, the shorter the control time is; the shorter the piping, the shorter the control time.
Specifically, when the liquid outlet equipment 2 is opened, the inner flow passage can preferentially and quickly discharge water due to the small diameter of the inner flow passage, and the requirement of short-time and small-amount water consumption is met; in addition, because the amount of cold water stored in the inner pipe is relatively small, the cold water emptying amount is saved compared with the common pipeline. After the cold water in the inner runner is discharged, the controller 8 controls the electric control valve 6 to open the outer runner, the cold water in the outer runner can be mixed with the hot water in the inner runner and can be directly used, the liquid outlet amount is ensured, the waste of the cold water in the outer runner is reduced, and the double purposes are achieved.
For convenient installation, the liquid inlet end of the pipe-in-pipe pipeline 1 is provided with a starting valve 3, the starting valve 3 comprises a starting valve body 31, and the starting valve body 31 is provided with a first inner pipe installation end 32, a first outer pipe installation end 33 and a pipe-in-pipe connection end 34 for connecting an inner flow passage and an outer flow passage.
Preferably, the liquid outlet device 2 is arranged on a branch of the pipe-in-pipe pipeline 1 through a tail valve 20, the tail valve 20 comprises a tail valve body 21 and a tail valve inner pipe 22 arranged inside the tail valve body 21, and the end parts of the tail valve body and the tail valve inner pipe are at least provided with a tail valve connecting end 23 for connecting the pipe-in-pipe pipeline 1 and a tail valve mounting end 24 for mounting the liquid outlet device 2. At the tail valve mounting end 24, the inner flow passage and the outer flow passage are communicated with each other, and the inner flow passage and the outer flow passage can simultaneously discharge liquid, so that the larger water demand is ensured.
Example two:
as shown in fig. 2, the present embodiment is substantially the same as the first embodiment, and the difference is that: an electric control valve 6 is arranged on the water inlet pipe 5 where the first inner pipe mounting end 32 is located, a water flow inductive switch 7 is arranged on the water inlet pipe 5 where the first outer pipe mounting end 33 is located, and the water flow inductive switch 7 can also be arranged on a main water inlet pipe at the liquid outlet end of the water heater 4.
In the embodiment, the outer runner can preferentially discharge liquid, and the inner runner can delay liquid discharge.
Example three:
as shown in fig. 3, the present embodiment is substantially the same as the first embodiment, and the difference is that: in order to meet the requirement of stable water pressure and water quantity of multiple pipelines, a booster pump 9 is further arranged on the water inlet pipe 5 and is connected with a controller 8. The inlet pipe 5 is preferably the inlet pipe 5 where the first inner pipe mounting end 32 is located, and in addition, the inlet pipe 5 where the first outer pipe mounting end 33 is located is provided with an electrically controlled valve 6.
Example four:
as shown in fig. 4, the present embodiment is basically the same as the third embodiment, and the difference is that: the liquid inlet end of the pipe-in-pipe pipeline 1 is provided with an initial valve 3, the initial valve 3 comprises an initial valve body 31, a first inner pipe mounting end 32, a first outer pipe mounting end 33, a pipe-in-pipe connecting end 34 for connecting an inner flow passage and an outer flow passage, and a second outer pipe mounting end 35 for communicating the outer flow passage are arranged on the initial valve body 31, the second outer pipe mounting end 35 is provided with a liquid outlet one-way valve 36 and is connected with the liquid inlet end of the water heater 4 through a return pipe 10, and the liquid inlet end of the water heater 4 is also connected with a cold water pipe 13; the first outer pipe mounting end 33 is provided with a liquid inlet one-way valve 37, and the water inlet pipe 5 where the first outer pipe mounting end is located is provided with an electric control valve 6.
In the embodiment, the inner flow passage and the outer flow passage discharge water at the same time, so that the water can be recycled by the inner flow passage and the flow passage, and hot water can be used as soon as the liquid discharging equipment is opened.
As shown in fig. 5, in order to ensure the outlet pressure at the end of the branch, the tail valve mounting end 24 is provided with a check valve core 40, the check valve core 40 includes a hollow valve rod 41, the outer side wall of the valve rod 41 is provided with a connecting portion 42 for fixing in the tail valve body 21, the outer periphery of the connecting portion 42 is provided with an external thread, and the tail valve mounting end 24 is provided with an internal thread, which are in threaded connection. The inner end of the valve rod 41 is installed at the end of the tail valve inner tube 22, the outer part of the valve rod is sleeved with an elastic piece 43 and a valve sheet 44, one end of the elastic piece 43 is abutted against the connecting part 42, the other end of the elastic piece 43 abuts against and seals the valve sheet 44 on a liquid outlet 45 of the outer flow passage, and the elastic piece 43 is preferably a spring. In addition, the valve rod 41 or the connecting portion 42 is provided with a water flowing hole 46 for discharging liquid from the external flow passage.
The tail valve of the embodiment can ensure that the inner flow passage preferentially discharges liquid, and when the pressure of the outer flow passage is greater than the set pressure of the check valve core 40, the valve plate 44 is opened to discharge liquid from the outer flow passage, so that the larger pressure and the larger liquid discharge amount are met.
As shown in fig. 6, the valve plate 44 is provided with a return hole 47. When the inner runner is in high pressure, the backflow hole 47 can be used for backflow to the outer runner, so that pressure relief backflow is realized.
As shown in fig. 7 and 8, the tail valve has a straight pipe two-way type, an elbow two-way type, a three-way type, and the like.
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 (10)
1. The utility model provides an automatically controlled formula pipe-in-pipe hot water system, includes pipe-in-pipe line (1) of constituteing by pipe-in-pipe (11) and coupling (12), is provided with interior runner and outer runner in pipe-in-pipe line (1), and is provided with out liquid equipment (2) on its branch road, its characterized in that:
a first inner pipe mounting end (32) communicated with the inner flow channel and a first outer pipe mounting end (33) communicated with the outer flow channel are arranged on the pipe-in-pipe pipeline (1), the first inner pipe mounting end (32) and the first outer pipe mounting end (33) are respectively connected with the liquid outlet end of the water heater (4) through water inlet pipes (5), one water inlet pipe (5) is provided with an electric control valve (6), and the flow channel where the other water inlet pipe (5) is located is provided with a water flow induction switch (7);
the electric control valve (6) and the water flow inductive switch (7) are both connected with the controller (8), when the water flow inductive switch (7) detects a water flow signal, the controller (8) can control the electric control valve (6) to act, and the delayed water outlet of a flow channel where the electric control valve is located is realized.
2. An electrically controlled pipe-in-pipe hot water system according to claim 1, wherein: and a booster pump (9) is also arranged on the other water inlet pipe (5).
3. An electrically controlled pipe-in-pipe hot water system according to claim 2, wherein: the feed liquor end of pipe-in-pipe line way (1) is provided with originated valve (3), originated valve (3) are provided with first inner tube installation end (32), first outer tube installation end (33) and connect interior flow channel and outer flow channel's pipe-in-pipe connection end (34) including originated valve body (31) on originated valve body (31).
4. An electrically controlled pipe-in-pipe hot water system according to claim 3, wherein: when the electric control valve (6) is a normally open type electric control valve, when the water flow inductive switch (7) detects a water flow signal, the controller (8) can control the electric control valve (6) to be closed, and then, after hot water is discharged from the other flow passage, the controller (8) controls the electric control valve (6) to be opened in a delayed mode;
or when the electric control valve (6) is a normally closed electric control valve, the controller (8) controls the electric control valve (6) to be opened in a delayed mode after the water flow sensing switch (7) detects a water flow signal.
5. An electrically controlled pipe-in-pipe hot water system according to claim 4, wherein: the control time of the delayed opening of the controller (8) is 10-20 seconds.
6. An electrically controlled pipe-in-pipe hot water system according to claim 3, wherein: a second outer pipe mounting end (35) communicated with the outer flow channel is further arranged on the starting valve body (31), a liquid outlet one-way valve (36) is arranged at the second outer pipe mounting end (35) and is connected with a liquid inlet end of the water heater (4) through a return pipe (10), and a cold water pipe (13) is further connected at the liquid inlet end of the water heater (4); the first outer pipe mounting end (33) is provided with a liquid inlet one-way valve (37), and an electric control valve (6) is arranged on the water inlet pipe (5) where the first outer pipe mounting end is located.
7. An electrically controlled pipe-in-pipe hot water system according to any one of claims 1-6, wherein: the liquid outlet device (2) is arranged on a branch of the pipe-in-pipe pipeline (1) through a tail valve (20),
the tail valve (20) comprises a tail valve body (21) and a tail valve inner pipe (22) arranged inside the tail valve body (21), and the end parts of the tail valve inner pipe and the tail valve inner pipe are at least provided with a tail valve connecting end (23) of a connecting pipe-in-pipe pipeline (1) and a tail valve mounting end (24) of a liquid outlet device (2).
8. An electrically controlled pipe-in-pipe hot water system according to claim 7, wherein: the tail valve mounting end (24) is provided with a check valve core (40), the check valve core (40) comprises a hollow valve rod (41), and the outer side wall of the valve rod (41) is provided with a connecting part (42) for being fixed in the tail valve body (21); the inner end of the valve rod (41) is arranged at the end part of the tail valve inner tube (22), an elastic piece (43) and a valve plate (44) are sleeved outside the valve rod, one end of the elastic piece (43) is abutted against the connecting part (42), and the other end of the elastic piece (43) is abutted against and seals the valve plate (44) on a liquid outlet (45) of the outer flow channel; in addition, a water flowing hole (46) for discharging liquid from the outer flow channel is formed in the valve rod (41) or the connecting part (42).
9. An electrically controlled pipe-in-pipe hot water system according to claim 8, wherein: and a return hole (47) is formed in the valve plate (44).
10. An electrically controlled pipe-in-pipe hot water system according to claim 8, wherein: the periphery of connecting portion (42) is provided with the external screw thread, tail valve installation end (24) are provided with the internal thread, both threaded connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021834015.5U CN212930496U (en) | 2020-08-27 | 2020-08-27 | Electric control type pipe-in-pipe hot water system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021834015.5U CN212930496U (en) | 2020-08-27 | 2020-08-27 | Electric control type pipe-in-pipe hot water system |
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| Publication Number | Publication Date |
|---|---|
| CN212930496U true CN212930496U (en) | 2021-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021834015.5U Active CN212930496U (en) | 2020-08-27 | 2020-08-27 | Electric control type pipe-in-pipe hot water system |
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| CN (1) | CN212930496U (en) |
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2020
- 2020-08-27 CN CN202021834015.5U patent/CN212930496U/en active Active
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