CN109373633A - It is a kind of convenient for fixed earth source heat pump pipe fitting - Google Patents
It is a kind of convenient for fixed earth source heat pump pipe fitting Download PDFInfo
- Publication number
- CN109373633A CN109373633A CN201811189225.0A CN201811189225A CN109373633A CN 109373633 A CN109373633 A CN 109373633A CN 201811189225 A CN201811189225 A CN 201811189225A CN 109373633 A CN109373633 A CN 109373633A
- Authority
- CN
- China
- Prior art keywords
- bottom end
- heat pump
- tube
- pipe fitting
- source heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a kind of convenient for fixed earth source heat pump pipe fitting, including U-tube shell, there are two the U-tube shell is arranged altogether, support spring is connected between two U-tube shells, two opposite sides of the U-tube shell are provided with sliding sleeve, slide bar is slidably connected on the inside of the sliding sleeve, the both ends of the slide bar are provided with fixed block, the bottom end of the U-tube shell is fixedly connected with bottom end fixed block, round through slot is offered on the inside of the bottom end fixed block, the inside of the circle through slot, which is run through, screw rod, the present invention is provided with support spring, slide bar and sliding sleeve, it ensure that the stabilization of two U-tube shell relative positions, simultaneously, the support spring connected between two U-tube shells can be the damping of U-tube shell, when avoiding using earth source heat pump pipe fitting, earth source heat pump pipe fitting only connects two U-tubes by fixed device Shell, it is difficult to the problem of being the damping of U-tube shell, influencing the using effect of earth source heat pump pipe fitting.
Description
Technical field
The invention belongs to earth source heat pump pipe fitting technical fields, and in particular to a kind of convenient for fixed earth source heat pump pipe fitting.
Background technique
Earth source heat pump is that the land shallow-layer energy is realized by inputting a small amount of high-grade energy (such as electric energy) by low-grade heat
It can be to the device of high-grade heat energy transfer.The energy of usual earth source heat pump consumption 1kWh, the available 4.4kWh's or more of user
Heat or cooling capacity, earth source heat pump have become material gain underground water, water of river and lake, reservoir water, seawater, municipal middle water, industrial tail water, hole
The cold and heat source of all kinds of water resources such as road water and soil source as earth source heat pump.
But when using earth source heat pump pipe fitting, earth source heat pump pipe fitting only connects two U-tube shells by fixed device,
It is difficult for U-tube shell damping, the using effect and earth source heat pump pipe fitting for influencing earth source heat pump pipe fitting are difficult to easily install
To mounting plane, also needs user to add fixing piece, influence the convenience that earth source heat pump pipe fitting uses, while earth source heat pump pipe fitting
Connecting tube between it is mutually indepedent so that different vibrations occurs in connecting tube, the connecting tube and U-tube for influencing earth source heat pump pipe fitting connect
What is connect is firm.
Summary of the invention
The purpose of the present invention is to provide a kind of convenient for fixed earth source heat pump pipe fitting, to solve using existing using ground
When the heat pump pipe fitting of source, earth source heat pump pipe fitting is difficult for the damping of U-tube shell and earth source heat pump pipe fitting is difficult to easily be installed to
There is the problem of different vibrations in mounting plane and connecting tube.
To achieve the above object, the invention provides the following technical scheme: it is a kind of convenient for fixed earth source heat pump pipe fitting, including
U-tube shell there are two the U-tube shell is arranged altogether, is connected with support spring, two U between two U-tube shells
The opposite side of type pipe shell is provided with sliding sleeve, and slide bar is slidably connected on the inside of the sliding sleeve, and the both ends of the slide bar are all provided with
It is equipped with fixed block, the bottom end of the U-tube shell is fixedly connected with bottom end fixed block, offers on the inside of the bottom end fixed block
Round through slot, the inside of the circle through slot are provided with fastening nut on the outside of the screw rod through there is screw rod.
Preferably, the natural length of the support spring is greater than the length of slide bar.
Preferably, the top of the U-tube shell is provided with connecting tube fixed plate, the inside setting of the U-tube shell
There is U-tube.
Preferably, the both ends of the U-tube are connected separately with connecting tube, and the opposite side of two connecting tubes is fixed to be connected
It is connected to support rod, the end of the support rod is fixedly connected with vibration-reducing rubber block.
Preferably, the connecting tube through connecting tube fixed plate inside and extend to the top of connecting tube fixed plate.
Preferably, the two sides of the U-tube shell are fixedly connected with damping spring, and the end of the damping spring is connected with
Quarter butt.
Preferably, the end of the quarter butt is fixedly connected with round slider, and the outside of the round slider is sliding by sliding slot
Dynamic to be connected with rotating block, the end of the rotating block is fixedly connected with installation screw rod.
Preferably, pivot link is connected on the outside of the rotating block.
Preferably, the bottom end of the U-tube shell is provided with bottom end bearing, and the inner ring of the bottom end bearing is fixedly connected with
Bottom end standing screw, is fixedly connected with bottom end rotating bar on the outside of the bottom end standing screw, the bottom end standing screw it is outer
There is bottom end nut in side by threaded engagement connection.
Preferably, the bottom end nut is located at side of the bottom end rotating bar far from U-tube shell.
Compared with the prior art, the present invention has the following beneficial effects:
(1) present invention is provided with support spring, slide bar and sliding sleeve, when the connecting tube of two U-tubes is all connected to earth source heat pump,
Due to generating vibration when earth source heat pump operation, U-tube shell side slides over the outer Slideslip of slide bar, ensure that two U-tubes
The stabilization of shell relative position, meanwhile, the support spring connected between two U-tube shells can be the damping of U-tube shell, prevent from vibrating
It is transmitted at the connecting tube of inside, when avoiding using earth source heat pump pipe fitting, earth source heat pump pipe fitting only passes through fixed device and connects
Two U-tube shells, it is difficult to the problem of being the damping of U-tube shell, influencing the using effect of earth source heat pump pipe fitting.
(2) present invention is provided with round slider, quarter butt and damping spring, when there is mounting plane in the side of pipe fitting, uses
Person rotates pivot link, and pivot link drives rotating block rotation, and rotating block rotates on the outside of the round slider of quarter butt end, rotates
Block drives installation screw rod rotation, and installation screw rod is screwed into mounting plane, as shown, damping spring can also be U-tube shell
Damping, convenient for the installation that pipe fitting is stable, when avoiding using earth source heat pump pipe fitting, earth source heat pump pipe fitting is difficult to easily install
To mounting plane, the problem of also needing user to add fixing piece, influence the convenience that earth source heat pump pipe fitting uses.
(3) present invention is provided with support rod, vibration-reducing rubber block and connecting tube, and the connecting tube for being connected to same U-tube passes through branch
Strut is connected with vibration-reducing rubber block, is two connecting tube dampings convenient for being fixedly connected with the position of pipe, so that two connecting tubes is opposite
Position is stablized, and guarantees connecting tube and the stable installation of U-tube, when avoiding using earth source heat pump pipe fitting, earth source heat pump pipe fitting
Mutually indepedent between connecting tube, so that different vibrations occurs in connecting tube, the connecting tube for influencing earth source heat pump pipe fitting is connect with U-tube
Firm problem.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is side view of the invention；
Fig. 3 is top view of the invention；
Fig. 4 is a-quadrant enlarged drawing of the invention；
Fig. 5 is quarter butt structural schematic diagram of the invention.
In figure: the bottom end 1- fixed block, 2- circle through slot, 3- screw rod, 4-U type pipe shell, 5- installation screw rod, 6- rotating block,
7- pivot link, 8- connecting tube fixed plate, 9- support rod, 10- vibration-reducing rubber block, 11- fastening nut, 12- connecting tube, 13- damping
Spring, 14-U type pipe, 15- quarter butt, 16- round slider, the bottom end 17- bearing, the bottom end 18- rotating bar, the bottom end 19- nut, the bottom 20-
Hold standing screw, 21- support spring, 22- slide bar, 23- sliding sleeve, 24- fixed block.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It please refers to shown in Fig. 1-5, the invention provides the following technical scheme: a kind of convenient for fixed earth source heat pump pipe fitting, packet
U-tube shell 4 is included, U-tube shell 4 there are two settings, is connected with support spring 21, two U-tubes altogether between two U-tube shells 4
The opposite side of shell 4 is provided with sliding sleeve 23, and the inside of sliding sleeve 23 slidably connects slide bar 22, and the both ends of slide bar 22 are provided with
Fixed block 24, the bottom end of U-tube shell 4 are fixedly connected with bottom end fixed block 1, and the inside of bottom end fixed block 1 offers round logical
Slot 2, through there is a screw rod 3, the outside of screw rod 3 is provided with fastening nut 11 for the inside of round through slot 2, user will install with it is same
The connecting tube 12 of U-tube 14 is connected respectively to the outlet pipe and water inlet pipe of earth source heat pump, and hot water flows into U by a connecting tube 12
In type pipe 14, and flowed out by another connecting tube 12, when the connecting tube 12 of two U-tubes 14 is all connected to earth source heat pump, by
Generate vibration when earth source heat pump operation, the sliding sleeve 23 of 4 side of U-tube shell in the outer Slideslip of slide bar 22, ensure that two it is U-shaped
The stabilization of 4 relative position of pipe shell, meanwhile, the support spring 21 connected between two U-tube shells can be 4 damping of U-tube shell, prevent
Only vibration is transmitted at the connecting tube 12 of inside.
In the present invention, it is preferred that the natural length of support spring 21 is greater than the length of slide bar 22.
In the present invention, it is preferred that the top of U-tube shell 4 is provided with connecting tube fixed plate 8, the inside of U-tube shell 4
It is provided with U-tube 14.
In the present invention, it is preferred that the both ends of U-tube 14 are connected separately with connecting tube 12, two connecting tubes 12 it is opposite one
Side is fixedly connected with support rod 9, and the end of support rod 9 is fixedly connected with vibration-reducing rubber block 10, is connected to the connection of same U-tube 14
Pipe 12 is connected by support rod 9 and vibration-reducing rubber block 10, is 12 damping of connecting tube convenient for being fixedly connected with the position of pipe 12, is guaranteed to connect
Adapter tube 12 and the stable installation of U-tube 14.
In the present invention, it is preferred that connecting tube 12 through connecting tube fixed plate 8 inside and extend to connecting tube fixed plate
8 top.
In the present invention, it is preferred that the two sides of U-tube shell 4 are fixedly connected with damping spring 13, the end of damping spring 13
It is connected with quarter butt 15.
In the present invention, it is preferred that the end of quarter butt 15 is fixedly connected with round slider 16, and the outside of round slider 16 passes through
Sliding slot slidably connects rotating block 6, and the end of rotating block 6 is fixedly connected with installation screw rod 5, when there is mounting plane in the side of pipe fitting
When, user rotates pivot link 7, and pivot link 7 drives rotating block 6 to rotate, round slider of the rotating block 6 in 15 end of quarter butt
16 outside rotations, rotating block 6 drive installation screw rod 5 to rotate, and installation screw rod 5 is screwed into mounting plane, as shown in figure 5, damping
Spring 13 can be also 4 damping of U-tube shell, convenient for the installation that pipe fitting is stable.
In the present invention, it is preferred that the outside of rotating block 6 is connected with pivot link 7.
In the present invention, it is preferred that the bottom end of U-tube shell 4 is provided with bottom end bearing 17, and the inner ring of bottom end bearing 17 is fixed
It is connected with bottom end standing screw 20, the outside of bottom end standing screw 20 is fixedly connected with bottom end rotating bar 18, bottom end standing screw
There is bottom end nut 19 in 20 outside by threaded engagement connection, and when there is mounting plane in the bottom end of U-tube shell 4, user can
Will, bottom end standing screw 20 is screwed into mounting plane, and when there is mounting plate in the bottom end of U-tube shell 4, user can be rotated bottom end
Rotating bar 18, bottom end rotating bar 18 drive bottom end standing screw 20 to rotate on the inside of bottom end bearing 17, and bottom end standing screw 20 is worn
Mounting plate is crossed, user can screw in bottom end standing screw 20 using bottom end nut 19, ensure that the firm installation of pipe fitting.
In the present invention, it is preferred that bottom end nut 19 is located at side of the bottom end rotating bar 18 far from U-tube shell 4.
The working principle of the invention and process for using: in the use of the present invention, user will install and same U-tube 14
Connecting tube 12 is connected respectively to the outlet pipe and water inlet pipe of earth source heat pump, and hot water is flowed into U-tube 14 by a connecting tube 12,
And flowed out by another connecting tube 12, when the connecting tube 12 of two U-tubes 14 is all connected to earth source heat pump, due to earth source heat pump
Vibration is generated when operation, the sliding sleeve 23 of 4 side of U-tube shell ensure that two 4 phases of U-tube shell in the outer Slideslip of slide bar 22
To the stabilization of position, meanwhile, the support spring 21 connected between two U-tube shells can be 4 damping of U-tube shell, prevent vibration from passing
It is delivered at the connecting tube 12 of inside, when there is mounting plane in the bottom end of U-tube shell 4, user can be by bottom end standing screw 20
It is screwed into mounting plane, when there is mounting plate in the bottom end of U-tube shell 4, user can be rotated bottom end rotating bar 18, bottom end rotation
Bar 18 drives bottom end standing screw 20 to rotate on the inside of bottom end bearing 17, and bottom end standing screw 20 passes through mounting plate, and user can
Bottom end standing screw 20 is screwed in using bottom end nut 19, ensure that the firm installation of pipe fitting, when there is mounting plane in the side of pipe fitting
When, user rotates pivot link 7, and pivot link 7 drives rotating block 6 to rotate, round slider of the rotating block 6 in 15 end of quarter butt
16 outside rotations, rotating block 6 drive installation screw rod 5 to rotate, and installation screw rod 5 is screwed into mounting plane, as shown in figure 5, damping
Spring 13 can be also 4 damping of U-tube shell, convenient for the installation that pipe fitting is stable, meanwhile, it is connected to the connection of same U-tube 14
Pipe 12 is connected by support rod 9 and vibration-reducing rubber block 10, is 12 damping of connecting tube convenient for being fixedly connected with the position of pipe 12, is guaranteed to connect
Adapter tube 12 and the stable installation of U-tube 14.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions.By sentence " element limited including one ..., it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element ".
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (10)
1. a kind of convenient for fixed earth source heat pump pipe fitting, including U-tube shell (4), it is characterised in that: the U-tube shell (4)
It altogether there are two settings, is connected with support spring (21) between two U-tube shells (4), two U-tube shells (4) are opposite
Side be provided with sliding sleeve (23), slidably connected slide bar (22) on the inside of the sliding sleeve (23), the both ends of the slide bar (22)
It is provided with fixed block (24), the bottom end of the U-tube shell (4) is fixedly connected with bottom end fixed block (1), and the bottom end is fixed
It is offered on the inside of block (1) round through slot (2), the inside of the circle through slot (2), which is run through, to be had screw rod (3), the screw rod (3)
Outside is provided with fastening nut (11).
2. according to claim 1 a kind of convenient for fixed earth source heat pump pipe fitting, it is characterised in that: the support spring (21)
Natural length is greater than the length of slide bar (22).
3. according to claim 1 a kind of convenient for fixed earth source heat pump pipe fitting, it is characterised in that: the U-tube shell
(4) top is provided with connecting tube fixed plate (8), is provided with U-tube (14) on the inside of the U-tube shell (4).
4. according to claim 3 a kind of convenient for fixed earth source heat pump pipe fitting, it is characterised in that: the U-tube (14)
Both ends be connected separately with connecting tube (12), two opposite sides of the connecting tube (12) are fixedly connected with support rod (9), institute
The end for stating support rod (9) is fixedly connected with vibration-reducing rubber block (10).
5. according to claim 4 a kind of convenient for fixed earth source heat pump pipe fitting, it is characterised in that: the connecting tube (12)
Through connecting tube fixed plate (8) inside and extend to the tops of connecting tube fixed plate (8).
6. according to claim 3 a kind of convenient for fixed earth source heat pump pipe fitting, it is characterised in that: the U-tube shell
(4) two sides are fixedly connected with damping spring (13), and the end of the damping spring (13) is connected with quarter butt (15).
7. according to claim 6 a kind of convenient for fixed earth source heat pump pipe fitting, it is characterised in that: the quarter butt (15)
End is fixedly connected with round slider (16), and the outside of the round slider (16) slidably connects rotating block (6) by sliding slot,
The end of the rotating block (6) is fixedly connected with installation screw rod (5).
8. according to claim 7 a kind of convenient for fixed earth source heat pump pipe fitting, it is characterised in that: the rotating block (6)
Outside be connected with pivot link (7).
9. according to claim 6 a kind of convenient for fixed earth source heat pump pipe fitting, it is characterised in that: the U-tube shell
(4) bottom end is provided with bottom end bearing (17), and the inner ring of the bottom end bearing (17) is fixedly connected with bottom end standing screw (20),
It is fixedly connected with bottom end rotating bar (18) on the outside of the bottom end standing screw (20), the outside of the bottom end standing screw (20)
There are bottom end nut (19) by threaded engagement connection.
10. according to claim 9 a kind of convenient for fixed earth source heat pump pipe fitting, it is characterised in that: the bottom end nut
(19) it is located at the side of bottom end rotating bar (18) far from U-tube shell (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811189225.0A CN109373633B (en) | 2018-10-12 | 2018-10-12 | Ground source heat pump pipe fitting convenient to it is fixed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811189225.0A CN109373633B (en) | 2018-10-12 | 2018-10-12 | Ground source heat pump pipe fitting convenient to it is fixed |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109373633A true CN109373633A (en) | 2019-02-22 |
| CN109373633B CN109373633B (en) | 2020-11-27 |
Family
ID=65398068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811189225.0A Active CN109373633B (en) | 2018-10-12 | 2018-10-12 | Ground source heat pump pipe fitting convenient to it is fixed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109373633B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111288878A (en) * | 2020-02-12 | 2020-06-16 | 上海派腾特商务咨询有限公司 | Detection device is used in pipe fitting production |
| CN112361658A (en) * | 2020-11-17 | 2021-02-12 | 南京金海设计工程有限公司 | Ground source heat pump system |
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| DE4042057A1 (en) * | 1989-12-28 | 1991-07-04 | Vaillant Joh Gmbh & Co | U=bend for connecting two parallel pipes - is made from two sheet metal pressing brazed together |
| US6125891A (en) * | 1996-03-15 | 2000-10-03 | Silicon Carbide Products, Inc. | Refractory u-bends and methods of manufacture |
| CN201429281Y (en) * | 2009-06-09 | 2010-03-24 | 上海乔治费歇尔管路系统有限公司 | Multi-U underground heat exchanger |
| CN202252543U (en) * | 2011-08-16 | 2012-05-30 | 安徽广德金鹏科技发展有限公司 | Double-U-head pipe fitting for ground source heat pump |
| CN202708439U (en) * | 2012-08-16 | 2013-01-30 | 上海上塑控股（集团）有限公司 | Single U-bend joint pipe fitting for ground source heat pump |
| CN203148300U (en) * | 2013-03-06 | 2013-08-21 | 浙江伟星新型建材股份有限公司 | Short-distance floor heating head |
| CN203743693U (en) * | 2013-12-28 | 2014-07-30 | 天津金鹏管业有限公司 | Double-U pipe fitting for ground source heat pump systems |
| CN205842068U (en) * | 2016-07-21 | 2016-12-28 | 浙江伟星新型建材股份有限公司 | A kind of exchange joint in earth-source hot-pump system |
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2018
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4042057A1 (en) * | 1989-12-28 | 1991-07-04 | Vaillant Joh Gmbh & Co | U=bend for connecting two parallel pipes - is made from two sheet metal pressing brazed together |
| US6125891A (en) * | 1996-03-15 | 2000-10-03 | Silicon Carbide Products, Inc. | Refractory u-bends and methods of manufacture |
| CN201429281Y (en) * | 2009-06-09 | 2010-03-24 | 上海乔治费歇尔管路系统有限公司 | Multi-U underground heat exchanger |
| CN202252543U (en) * | 2011-08-16 | 2012-05-30 | 安徽广德金鹏科技发展有限公司 | Double-U-head pipe fitting for ground source heat pump |
| CN202708439U (en) * | 2012-08-16 | 2013-01-30 | 上海上塑控股（集团）有限公司 | Single U-bend joint pipe fitting for ground source heat pump |
| CN203148300U (en) * | 2013-03-06 | 2013-08-21 | 浙江伟星新型建材股份有限公司 | Short-distance floor heating head |
| CN203743693U (en) * | 2013-12-28 | 2014-07-30 | 天津金鹏管业有限公司 | Double-U pipe fitting for ground source heat pump systems |
| CN205842068U (en) * | 2016-07-21 | 2016-12-28 | 浙江伟星新型建材股份有限公司 | A kind of exchange joint in earth-source hot-pump system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111288878A (en) * | 2020-02-12 | 2020-06-16 | 上海派腾特商务咨询有限公司 | Detection device is used in pipe fitting production |
| CN111288878B (en) * | 2020-02-12 | 2023-11-24 | 青岛泽昊汽车配件有限公司 | Detection device is used in pipe fitting production |
| CN112361658A (en) * | 2020-11-17 | 2021-02-12 | 南京金海设计工程有限公司 | Ground source heat pump system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109373633B (en) | 2020-11-27 |
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Address after: 242000 Jinniu East Road, Langxi Economic Development Zone, Xuancheng City, Anhui Province Patentee after: Anhui Conch Yihai Pipe Technology Co.,Ltd. Address before: 242100 Jinniu East Road, Langxi Economic Development Zone, Xuancheng City, Anhui Province Patentee before: ANHUI LANGCHUAN JINPENG PLASTIC Co.,Ltd. |
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