CN211693840U - Cold and hot water pipe and cold and hot water pipe assembly - Google Patents

Abstract

The utility model belongs to the technical field of fresh air blowers, in particular to a cold and hot water pipe and a cold and hot water pipe assembly, wherein the cold and hot water pipe is used for communicating a cold and hot water main pipeline with air conditioning equipment; the cold and hot water pipe comprises an inner pipeline, a heat preservation pipe and an outer protection shell; the inner pipeline, the heat preservation pipe and the outer protection shell are coaxially arranged, and the radial sections of the inner pipeline, the heat preservation pipe and the outer protection shell are elliptical; the short axis of the ellipse is vertically arranged; the heat preservation pipe is fitted and sleeved on the outer side of the inner pipeline, and the outer protective shell is arranged on the outer side of the heat preservation pipe; a vacuum heat preservation cavity is arranged in the heat preservation pipe. The utility model discloses a cold and hot water pipe has utilized oval pipeline to add vacuum insulation's design, the at utmost has practiced thrift the perpendicular space of whole pipe-line system, and the pipeline can be without wearing the roof beam, guarantees structure safety, and reduces the construction degree of difficulty. In addition, the top of the pipeline and the bottom of the floor slab can have enough space for installing the automatic exhaust valve, so that the structure is more reasonable.

Description

Cold and hot water pipe and cold and hot water pipe assembly

Technical Field

The utility model belongs to the technical field of new fan, in particular to cold and hot water pipe and cold and hot water pipe assembly.

Background

At present, the residents of the urban standard residence have higher requirements on the comfort of the use environment, the main stream of an indoor air conditioner is set to be a VRV system and floor heating and haze removing fresh air, the overall building layer height is 3 meters, the floor height and the ceiling floor height are deducted, the layer height is narrow, and the influence of the height of a cold and hot water pipe on the layer height is reduced.

The hydraulic module of the new three constant systems is arranged in a residential public area, the fresh air unit is arranged on an indoor balcony of the residence, and a cold and hot water pipe of the fresh air unit is arranged to penetrate through the indoor balcony from a pipe well, so that the pipe can be led in an indoor ceiling. Due to the limitation of the ceiling layer height, the cold and hot water pipes can be accommodated in the ceiling space only by passing through the beam. In addition, in order to ensure the structural safety of the perforated beam, the aperture of the cold and hot water pipe is less than one fourth of the height of the beam. However, if the cold and hot water pipes are insulated by rubber and plastic, the diameter of the main pipe needs about 10cm, which is generally more than one fourth of the height of the beam, so that the structural safety cannot be ensured.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cold and hot water pipe and hot and cold water pipe subassembly has solved current cold and hot water pipe because the pipe diameter is too big, can't guarantee the problem of perforation roof beam structure safety when wearing the roof beam.

The utility model provides a technical scheme as follows: a cold and hot water pipe is used for connecting a cold and hot water main pipeline with air conditioning equipment;

the cold and hot water pipe comprises an inner pipeline, a heat preservation pipe and an outer protection shell; the inner pipeline, the heat preservation pipe and the outer protection shell are coaxially arranged, and the radial sections of the inner pipeline, the heat preservation pipe and the outer protection shell are elliptical; the short axis of the ellipse is vertically arranged; the heat-insulating pipe is fitted and sleeved on the outer side of the inner pipeline, and the outer protective shell is arranged on the outer side of the heat-insulating pipe; and a vacuum heat preservation cavity is arranged in the heat preservation pipe.

Preferably, the vacuum heat preservation K value of the cold and hot water pipe is 0.002W/m.K-0.004W/m.K.

Preferably, the vacuum insulation chamber is uniformly arranged in height at all positions.

Preferably, the heat preservation pipe is made of heat insulation materials, and the heat conductivity coefficient of the heat preservation pipe is 0.03-0.17.

Preferably, a pressure gauge for monitoring the vacuum pressure state is arranged on the heat preservation pipe.

Preferably, the heat preservation pipe is further provided with a plug valve for controlling the vacuumizing when the pressure gauge value is lower than a set value.

Another object of the present invention is to provide: a cold-hot water tube assembly comprising:

the floor slab of the cold and hot water pipe is used for communicating a cold and hot water main pipeline with the air conditioning equipment, and the cold and hot water pipe is routed to the indoor ceiling and arranged below the beam in the indoor ceiling;

and the automatic exhaust valve is arranged on the cold and hot water pipe and is positioned between the floor slab and the cold and hot water pipe.

Has the advantages that: 1) the utility model discloses an its vacuum insulation K value of cold and hot water pipe is 0.002W/m.K ~ 0.004W/m.K, only is about 1/10 of traditional insulation material heat conduction system, so can reduce heat preservation thickness by to a great extent, and the cooling water pipe size is little.

2) Under the condition that the inner pipelines keep the same sectional area, when the elliptical short shaft is vertically arranged, the occupied height of the elliptical pipeline is smaller than that of the circular pipeline, and the vertical space can be reduced by the same sectional area.

3) The utility model discloses a cold and hot water pipe has utilized oval-shaped pipeline to add vacuum insulation's design, the at utmost has practiced thrift the perpendicular space of whole pipe-line system, and the pipeline can just in the furred ceiling space without wearing the roof beam, guarantees structure safety, and reduces the construction degree of difficulty.

4) Because the utility model discloses a cold and hot water pipe need not wear the roof beam, but arranges under the roof beam, then can have sufficient space installation automatic exhaust valve door between pipeline top and floor, and then exhausts cold and hot water pipe, and structural arrangement is also more reasonable.

Drawings

The above features, technical features, advantages and implementations of a cold/hot water pipe and fresh air system will be further described in the following preferred embodiments with reference to the accompanying drawings.

FIG. 1 is a radial sectional view of the cold and hot water pipe of the present invention;

FIG. 2 is an axial sectional view of the cold and hot water pipe of the present invention;

fig. 3 is a schematic view of the installation of the cold and hot water pipe of the present invention.

The reference numbers illustrate:

1-cold and hot water pipes; 11-inner pipe; 12-a heat preservation pipe; 13-outer protective shell; 2-automatic exhaust valve, 3, fresh air unit, 4, cold and hot water pipe arrangement.

Detailed Description

In order to more clearly illustrate embodiments of the present invention or technical solutions in the prior art, specific embodiments of the present invention will be described below with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort.

Example 1

As shown in fig. 1, 2 and 3, a cold and hot water pipe 1 is used for connecting a cold and hot water main pipeline indoors with a fresh air unit 3 (or other air conditioning equipment); the dotted line indicated by reference numeral 4 in the figure is the arrangement of the cold and hot water pipes. The hot and cold water pipes are typically installed through piping shafts in communication with the hot and cold water mains, and may also be installed at other locations, such as along an exterior wall. The cold and hot water pipes can be directly or indirectly connected with the cold and hot water main pipelines.

The cold and hot water pipe 1 comprises an inner pipeline 11, a heat preservation pipe 12 and an outer protective shell 13; the inner pipeline 11, the heat preservation pipe 12 and the outer protection shell 13 are coaxially arranged, and the radial sections of the inner pipeline, the heat preservation pipe 12 and the outer protection shell are elliptical; the short axis of the ellipse is vertically arranged; the heat preservation pipe 12 is fitted and sleeved outside the inner pipeline 11, and the outer protective shell 13 is arranged outside the heat preservation pipe 12; a vacuum heat preservation cavity is arranged in the heat preservation pipe 12. The cold and hot water pipe in this form is designed to be elliptical, and the longitudinal dimension is smaller than that of the original pipe with the same sectional area, so that the cold and hot water pipe can be arranged below the beam without penetrating the beam when being arranged in a suspended ceiling. The specific ellipse size can be designed according to actual conditions in a certain embodiment, and the vacuum heat preservation K value of the cold and hot water pipe 1 is 0.002W/m.K-0.004W/m.K.

In one embodiment, the vacuum insulation chamber is uniformly arranged in height.

In one embodiment, the thermal insulation pipe 12 is made of thermal insulation material and has a thermal conductivity of 0.03-0.17.

In one embodiment, the thermal insulation tube 12 is provided with a pressure gauge for monitoring the vacuum pressure state.

In one embodiment, the thermal insulation pipe 12 is further provided with a plug valve for controlling the vacuum pumping when the pressure gauge value is lower than a set value.

Example 2

An embodiment of a hot and cold water pipe assembly is disclosed based on embodiment 1, and as shown in fig. 3, the hot and cold water pipe assembly includes the hot and cold water pipe 1 and an automatic exhaust valve 2. The cold and hot water pipe is transversely extended below the beam and the floor, and is used for communicating the cold and hot water main pipeline with a balcony or an outdoor fresh air unit 3 (or other air conditioning equipment), and the cold and hot water pipe 1 needs to be led in an indoor ceiling in the way, and can directly pass under the beam because the longitudinal dimension is small and the beam does not need to be penetrated. In the figure, the dotted line denoted by the number 4 is the arrangement position of the cold and hot water pipes, and the connection pipes installed at other positions but not transversely arranged can also use the cold and hot water pipe structure in embodiment 1. Automatic exhaust valve 2 installs on the cold and hot water pipe, and be located the floor with between the cold and hot water pipe, can exhaust cold water pipe.

In addition to the use scenario that the cold and hot water pipe is used for communicating the hydraulic module of the public area of the residence with the indoor balcony or outdoor fresh air handling unit of the residence, the cold and hot water pipe can also be applied to a waterway module connected with the public area and an indoor water distribution and collection device, and at the moment, pipes are required to be routed in an indoor suspended ceiling. It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (7)

1. The utility model provides a cold and hot water pipe for connect cold and hot water main line and air conditioning equipment which characterized in that:

the cold and hot water pipe comprises an inner pipeline, a heat preservation pipe and an outer protection shell; the inner pipeline, the heat preservation pipe and the outer protection shell are coaxially arranged, and the radial sections of the inner pipeline, the heat preservation pipe and the outer protection shell are elliptical; the short axis of the ellipse is vertically arranged; the heat-insulating pipe is fitted and sleeved on the outer side of the inner pipeline, and the outer protective shell is arranged on the outer side of the heat-insulating pipe; and a vacuum heat preservation cavity is arranged in the heat preservation pipe.

2. A cold-hot water pipe according to claim 1, wherein: the vacuum heat preservation K value of the cold and hot water pipe is 0.002W/mK-0.004W/mK.

3. A cold-hot water pipe according to claim 1, wherein: the vacuum heat preservation cavity is uniformly arranged at each position.

4. A cold-hot water pipe according to claim 1, wherein: the heat preservation pipe is made of heat insulation materials, and the heat conductivity coefficient of the heat preservation pipe is 0.03-0.17.

5. A cold-hot water pipe according to claim 1, wherein: and a pressure gauge for monitoring the vacuum pressure state is arranged on the heat preservation pipe.

6. A cold-hot water pipe according to claim 5, wherein: the heat preservation pipe is also provided with a plug valve for controlling the vacuumizing when the pressure gauge value is lower than a set value.

7. A cold and hot water pipe assembly which characterized in that: the method comprises the following steps:

the cold and hot water pipe as claimed in any one of claims 1 to 5 for connecting the main cold and hot water pipes to the air conditioning equipment, and the cold and hot water pipe is routed to the indoor ceiling and arranged below the beam in the indoor ceiling;

and the automatic exhaust valve is arranged on the cold and hot water pipe and is positioned between the floor slab and the cold and hot water pipe.

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