Anti-freezing maintenance hand hole well

Abstract

The utility model discloses an anti-freezing maintenance hand hole well which comprises a hand hole well body, a hand hole well cover is arranged on the hand hole well body, a well body heat preservation layer is arranged on the inner wall of the hand hole well body, a well cover heat preservation layer is arranged on the hand hole well cover, and a mounting cavity with an opening in the upper end is formed in the well body heat preservation layer. The pipeline device is arranged in the mounting cavity and fixedly connected with one ends of the two conveying pipelines in a sealed mode, the other ends of the two conveying pipelines penetrate through the well body heat preservation layer and extend to the outer side of the hand hole well body, and the lower heat storage box assembly is arranged between the pipeline device and the bottom of the mounting cavity. The upper heat storage box assembly is arranged between the pipeline device and the well lid heat preservation layer, and the upper heat storage box assembly and the lower heat storage box assembly are both electrically connected with the power supply assembly. The pipeline device is arranged in the mounting cavity, freezing can be effectively prevented under cooperation of the upper heat storage box assembly and the lower heat storage box assembly, disassembly and assembly can be achieved only by moving the hand hole well lid and the upper heat storage box assembly subsequently, operation is convenient, and cost is low.

Description

Technical Field

[0001] The utility model relates to the technical field of antifreeze water supply, in particular to an antifreeze maintenance hand hole well. Background Art

[0002] When laying conventional pipelines in cold regions, the pipelines are usually buried below the frozen soil layer and anti-freezing measures are applied, such as wrapping with thermal insulation cotton and heating elements. During the water delivery process, pipeline devices such as water meters and valves are also installed on the pipelines, which are also key parts of freezing. However, since pipeline devices have other functions during the water delivery process, if they continue to be wrapped with thermal insulation cotton and heating elements for anti-freezing, then when inspecting the pipeline devices, it is necessary to remove the wrapping with thermal insulation cotton and heating elements, which will lead to inconvenient operation and high maintenance costs. Utility Model Content

[0003] The utility model aims to overcome the deficiencies of the prior art and provide an antifreeze maintenance hand hole well.

[0004] The purpose of this utility model is achieved through the following technical solutions:

[0005] A freeze-proof maintenance manhole well, comprising a manhole well body, a manhole well cover, a well body insulation layer, a well cover insulation layer, an upper heat storage box assembly, a lower heat storage box assembly, a pipeline device, a delivery pipeline and a power supply assembly, wherein the manhole well body is provided with the manhole well cover matched with the manhole well body, the inner wall of the manhole well body is provided with the well body insulation layer matched with the manhole well body, the manhole well cover is provided with the well cover insulation layer matched with the well body insulation layer, an installation cavity with an upper end opening is provided in the well body insulation layer, the pipeline device is arranged in the installation cavity and is respectively connected with one end of two delivery pipelines in a sealed and fixed manner, the other ends of the two delivery pipelines both pass through the well body insulation layer and extend to the outside of the manhole well body, the lower heat storage box assembly is arranged between the pipeline device and the bottom of the installation cavity, the upper heat storage box assembly is arranged between the pipeline device and the well cover insulation layer, and the upper heat storage box assembly and the lower heat storage box assembly are both electrically connected to the power supply assembly.

[0006] Furthermore, the upper heat storage box assembly includes an upper box body, a first phase change heat storage material layer and an upper electric heater, the upper box body is arranged in the installation cavity and cooperates with the installation cavity, the first phase change heat storage material layer is arranged in the upper box body, and the upper electric heater is arranged in the first phase change heat storage material layer and is electrically connected to the power supply assembly.

[0007] Furthermore, the lower heat storage box assembly includes a lower box body, a second phase change heat storage material layer and a lower electric heater, the lower box body is arranged in the installation cavity and cooperates with the installation cavity, the second phase change heat storage material layer is arranged in the lower box body, and the lower electric heater is arranged in the second phase change heat storage material layer and is electrically connected to the power supply assembly.

[0008] Furthermore, a first groove matching with the upper part of the pipeline device is arranged on the bottom of the upper box body, and a second groove matching with the lower part of the pipeline device is arranged on the top of the lower box body.

[0009] Furthermore, a through hole cooperating with the delivery pipeline is provided on the handhole well body, and a sealing ring is provided between the inner wall of the through hole and the delivery pipeline.

[0010] Furthermore, the power supply assembly includes a photovoltaic panel and a photovoltaic bracket, the photovoltaic panel is fixed on the ground through the photovoltaic bracket, and the upper heat storage tank assembly and the lower heat storage tank assembly are both electrically connected to the photovoltaic panel.

[0011] Furthermore, the hand hole well body and the installation cavity are both in a conical column shape.

[0012] Furthermore, the first phase change heat storage material layer and the second phase change heat storage material layer are both paraffin layers, sand layers or water layers.

[0013] Furthermore, a boss is provided on the upper opening of the manhole body, the boss cooperates with the manhole cover, and the heat-insulating layer of the cover cooperates with the boss.

[0014] The beneficial effects of the utility model are:

[0015] 1) In this technology, the pipeline device is arranged in the installation cavity, and the cooperation of the upper heat storage tank assembly and the lower heat storage tank assembly can effectively prevent freezing. Subsequently, only the manhole cover and the upper heat storage tank assembly need to be moved to realize the disassembly and assembly, which is easy to operate and low in cost.

[0016] 2) In the present technology, the first groove on the upper box body and the second groove on the lower box body can better cooperate with the pipeline components to prevent the pipeline components from being frozen at low temperatures.

[0017] 3) In the present technology, a boss is provided on the hand hole well body to facilitate the installation and removal of the hand hole well body. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the connection structure of the antifreeze maintenance hand hole well;

[0019] Figure 2 This is a structural diagram after the manhole body and the manhole cover are separated;

[0020] In the figure, 1-manhole well body, 2-manhole cover, 3-well body insulation layer, 4-well cover insulation layer, 5-pipeline device, 6-transport pipeline, 7-installation cavity, 8-upper box body, 9-first phase change heat storage material layer, 10-upper electric heating, 11-lower box body, 12-second phase change heat storage material layer, 13-lower electric heating, 14-first groove, 15-second groove, 16-sealing ring, 17-photovoltaic panel, 18-photovoltaic bracket, 19-boss. DETAILED DESCRIPTION

[0021] The following will be combined with the embodiments to clearly and completely describe the technical solution of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-Figure 2 , the utility model provides a technical solution:

[0023] A freeze-proof maintenance manhole well, comprising a manhole well body 1, a manhole well cover 2, a well body insulation layer 3, a well cover insulation layer 4, an upper heat storage box assembly, a lower heat storage box assembly, a pipeline device 5, a delivery pipeline 6 and a power supply assembly. The manhole well body 1 is provided with a manhole well cover 2 matched with the manhole well body 1, the inner wall of the manhole well body 1 is provided with a well body insulation layer 3 matched with the manhole well body 1, the manhole well cover 2 is provided with a well cover insulation layer 4 matched with the well body insulation layer 3, an installation cavity 7 with an upper end opening is provided in the well body insulation layer 3, the pipeline device 5 is arranged in the installation cavity 7 and is respectively connected with one end of two delivery pipelines 6 in a sealed and fixed manner, the other ends of the two delivery pipelines 6 pass through the well body insulation layer 3 and extend to the outside of the manhole well body 1, the lower heat storage box assembly is arranged between the pipeline device 5 and the bottom of the installation cavity 7, the upper heat storage box assembly is arranged between the pipeline device 5 and the well cover insulation layer 4, and the upper heat storage box assembly and the lower heat storage box assembly are both electrically connected to the power supply assembly. The manhole body 1 and the installation cavity 7 are both in the shape of a cone. Among them, the well body insulation layer 3 and the well cover insulation layer 4 are both insulation materials in the prior art, such as insulation cotton. The well body insulation layer 3 is fixedly arranged on the inner wall of the manhole body 1, and the well cover insulation layer 4 is fixedly arranged on the manhole cover 2. The power supply assembly is used to provide power to the upper heat storage tank assembly and the lower heat storage tank assembly. The upper heat storage tank assembly and the lower heat storage tank assembly generate heat energy for the pipeline device 5 when power is supplied. When the power supply assembly does not generate power, the upper heat storage tank assembly and the lower heat storage tank assembly release heat energy for the pipeline device 5. The pipeline device 5 is a valve, a water meter, etc. in the prior art. The delivery pipeline 6 is arranged in the well body insulation layer 3 and sealed. The power supply cable of the power supply assembly passes through the well body insulation layer 3 and the well cover insulation layer 4 and is sealed. The well body insulation layer 3 and the well cover insulation layer 4 are sealed. During the maintenance process, it is only necessary to remove the manhole cover 2 and the upper heat storage tank assembly, which is very convenient to operate. This technology uses photovoltaic direct-drive heating and can work without additional power supply, meeting the use needs of remote areas with unstable power supply; it can be applied to the maintenance of shallow buried pipelines and exposed pipe laying; it can be replaced at will, such as water meters and valves; it has the function of storing heat during the day and preventing freezing at night.

[0024] In some embodiments, the upper heat storage tank assembly includes an upper box body 8, a first phase change heat storage material layer 9 and an upper electric heater 10, the upper box body 8 is disposed in the installation cavity 7 and cooperates with the installation cavity 7, the first phase change heat storage material layer 9 is disposed in the upper box body 8, and the upper electric heater 10 is disposed in the first phase change heat storage material layer 9 and is electrically connected to the power supply assembly. The lower heat storage tank assembly includes a lower box body 11, a second phase change heat storage material layer 12 and a lower electric heater 13, the lower box body 11 is disposed in the installation cavity 7 and cooperates with the installation cavity 7, the second phase change heat storage material layer 12 is disposed in the lower box body 11, and the lower electric heater 13 is disposed in the second phase change heat storage material layer 12 and is electrically connected to the power supply assembly. Among them, the outer wall of the upper box body 8 and the outer wall of the lower box body 11 are tightly fitted on the inner wall of the installation cavity 7, so that the upper heat storage box assembly and the lower heat storage box assembly will not move in the installation cavity 7. The upper electric heater 10 and the lower electric heater 13 are both electric heating devices in the prior art, which are used to heat the first phase change heat storage material layer 9 and the second phase change heat storage material layer 12 in the prior art respectively. When there is no electric energy, the first phase change heat storage material layer 9 and the second phase change heat storage material layer 12 continue to release heat to ensure that the pipeline device 5 is not frozen.

[0025] In some embodiments, a first groove 14 is provided on the bottom of the upper box 8 to match the upper part of the pipeline device 5, and a second groove 15 is provided on the top of the lower box 11 to match the lower part of the pipeline device 5. The first groove 14 provided on the upper box 8 and the second groove 15 provided on the lower box 11 can better match the pipeline device 5 to prevent the pipeline device 5 from being frozen at low temperatures.

[0026] In some embodiments, a through hole is provided on the hand hole well body 1 to match the delivery pipe 6, and a sealing ring 16 is provided between the inner wall of the through hole and the delivery pipe 6. The function of the through hole is to facilitate the delivery pipe 6 to pass through, and the sealing ring 16 is provided to achieve sealing, so as to prevent the outside low-temperature air from entering the hand hole well body 1 and causing heat loss.

[0027] In some embodiments, the power supply assembly includes a photovoltaic panel 17 and a photovoltaic bracket 18, the photovoltaic panel 17 is fixed on the ground through the photovoltaic bracket 18, and the upper heat storage tank assembly and the lower heat storage tank assembly are both electrically connected to the photovoltaic panel 17. Among them, the photovoltaic bracket 18 is fixed on the ground to install the photovoltaic panel 17, the photovoltaic panel 17 is tilted and electrically connected to the upper electric heating 10 and the lower electric heating 13. When there is light, the electric energy generated by the photovoltaic panel 17 is transmitted to the upper electric heating 10 and the lower electric heating 13. The upper electric heating 10 and the lower electric heating 13 heat the first phase change heat storage material layer 9 and the second phase change heat storage material layer 12 respectively under the action of electric energy. When there is no light at night, the first phase change heat storage material layer 9 and the second phase change heat storage material layer 12 release heat to ensure that the pipeline device 5 will not be frozen.

[0028] In some embodiments, the first phase change heat storage material layer 9 and the second phase change heat storage material layer 12 are both paraffin layers or sand layers or water layers. The upper box 8 and the lower box 11 in the present technology are both sealed boxes, and water is filled in the sealed boxes. The upper electric heater 10 and the lower electric heater 13 both heat the water.

[0029] In some embodiments, a boss 19 is provided on the upper opening of the manhole body 1, the boss 19 cooperates with the manhole cover 2, and the cover insulation layer 4 cooperates with the boss 19. The entire well can be lifted and moved by the boss 19, and the manhole cover 2 can be conveniently clamped, the cover insulation layer 4 on the manhole cover 2 fits with the inner wall of the boss 19, and the lower end of the cover insulation layer 4 fits with the upper end of the well body insulation layer 3.

[0030] In the description of the present invention, it should be understood that the terms "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0031] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation", "hinge" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0032] The above is only a preferred embodiment of the utility model. It should be understood that the utility model is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the concept described herein through the above teachings or the technology or knowledge of the relevant field. The changes and modifications made by those skilled in the art do not deviate from the spirit and scope of the utility model, and should be within the scope of protection of the claims attached to the utility model.

Claims

1. A freeze-proof maintenance manhole well, characterized by: The invention comprises a manhole well body (1), a manhole well cover (2), a well body insulation layer (3), a well cover insulation layer (4), an upper heat storage box assembly, a lower heat storage box assembly, a pipeline device (5), a delivery pipeline (6) and a power supply assembly, wherein the manhole well body (1) is provided with the manhole well cover (2) matched with the manhole well body (1), the inner wall of the manhole well body (1) is provided with the well body insulation layer (3) matched with the manhole well body (1), the manhole well cover (2) is provided with the well cover insulation layer (4) matched with the well body insulation layer (3), and the well body insulation layer (3) is provided inside. The utility model relates to a mounting cavity (7) with an opening at the upper end, wherein the pipeline device (5) is arranged in the mounting cavity (7) and is respectively sealed and fixedly connected to one end of the two delivery pipelines (6), the other ends of the two delivery pipelines (6) pass through the well body insulation layer (3) and extend to the outside of the hand hole well body (1), the lower heat storage tank assembly is arranged between the pipeline device (5) and the bottom of the mounting cavity (7), the upper heat storage tank assembly is arranged between the pipeline device (5) and the well cover insulation layer (4), and the upper heat storage tank assembly and the lower heat storage tank assembly are both electrically connected to the power supply assembly.

2. The antifreeze maintenance manhole according to claim 1, characterized in that: The upper heat storage box assembly comprises an upper box body (8), a first phase change heat storage material layer (9) and an upper electric heater (10); the upper box body (8) is arranged in the installation cavity (7) and cooperates with the installation cavity (7); the first phase change heat storage material layer (9) is arranged in the upper box body (8); and the upper electric heater (10) is arranged in the first phase change heat storage material layer (9) and is electrically connected to the power supply assembly.

3. The antifreeze maintenance manhole according to claim 2, characterized in that: The lower heat storage box assembly comprises a lower box body (11), a second phase change heat storage material layer (12) and a lower electric heater (13); the lower box body (11) is arranged in the installation cavity (7) and cooperates with the installation cavity (7); the second phase change heat storage material layer (12) is arranged in the lower box body (11); and the lower electric heater (13) is arranged in the second phase change heat storage material layer (12) and is electrically connected to the power supply assembly.

4. The antifreeze maintenance manhole according to claim 3, characterized in that: A first groove (14) is provided on the bottom of the upper box (8) to cooperate with the upper part of the pipeline device (5), and a second groove (15) is provided on the top of the lower box (11) to cooperate with the lower part of the pipeline device (5).

5. A freeze-proof maintenance manhole according to any one of claims 1 to 4, characterized in that: The handhole well body (1) is provided with a through hole that cooperates with the delivery pipeline (6), and a sealing ring (16) is provided between the inner wall of the through hole and the delivery pipeline (6).

6. A freeze-proof maintenance manhole according to any one of claims 1 to 4, characterized in that: The power supply assembly comprises a photovoltaic panel (17) and a photovoltaic bracket (18); the photovoltaic panel (17) is fixed on the ground via the photovoltaic bracket (18); and the upper heat storage tank assembly and the lower heat storage tank assembly are both electrically connected to the photovoltaic panel (17).

7. A freeze-proof maintenance manhole according to any one of claims 1 to 4, characterized in that: The hand hole well body (1) and the installation cavity (7) are both in a cone-shaped column.

8. The antifreeze maintenance manhole according to claim 3 or 4, characterized in that: The first phase-change heat storage material layer (9) and the second phase-change heat storage material layer (12) are both paraffin layers, sand layers, or water layers.

9. A freeze-proof maintenance manhole according to any one of claims 1 to 4, characterized in that: A boss (19) is provided on the upper opening of the manhole body (1), the boss (19) cooperates with the manhole cover (2), and the cover insulation layer (4) cooperates with the boss (19).

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