CN110285484B - Fan coil heat exchanger - Google Patents
Fan coil heat exchanger Download PDFInfo
- Publication number
- CN110285484B CN110285484B CN201910563864.7A CN201910563864A CN110285484B CN 110285484 B CN110285484 B CN 110285484B CN 201910563864 A CN201910563864 A CN 201910563864A CN 110285484 B CN110285484 B CN 110285484B
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- Prior art keywords
- heat exchange
- containing box
- fan
- flow guide
- heat exchanger
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
- F24F1/0063—Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the heat exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
- F24F1/0067—Indoor units, e.g. fan coil units characterised by heat exchangers by the shape of the heat exchangers or of parts thereof, e.g. of their fins
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
- F24F1/0073—Indoor units, e.g. fan coil units with means for purifying supplied air characterised by the mounting or arrangement of filters
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention relates to the field of coil heat exchangers, in particular to a fan coil heat exchanger which comprises a supporting structure, a filtering structure, a containing box, a limiting structure, a heat exchange structure, reinforcing rods, connecting pipes and a fan, wherein the supporting structure is arranged on the supporting structure; the supporting structure is arranged at the bottom end of the containing box, so that the fan coil heat exchanger can be conveniently installed on the ground through the supporting structure, the reinforcing rod is arranged between the supporting structure and the heat exchange structure, the fan coil heat exchanger can be conveniently installed on a wall through the reinforcing rod, the fan coil heat exchanger can be conveniently installed on the wall or the ground according to needs, and the operation flexibility is improved; two ends of the containing box are symmetrically provided with two filtering structures, so that liquid is effectively prevented from entering the containing box, the wiring position of a fan in the containing box is prevented from being affected with damp, and the use stability of the fan coil heat exchanger is improved; the heat exchange structure is matched with the fan, so that the heat exchange time is prolonged, the heat exchange area is increased, and the heat exchange quality and the heat exchange efficiency are improved.
Description
Technical Field
The invention relates to the field of coil heat exchangers, in particular to a fan coil heat exchanger.
Background
A fan-coil unit, called a fan coil for short, is one of end devices of an air conditioning system composed of a small fan, a motor, a coil (air heat exchanger) and the like, and when chilled water or hot water flows through a coil pipe, the coil pipe exchanges heat with air outside the pipe to cool, dehumidify or heat the air to adjust indoor air parameters, and is a commonly used end device for cooling and heating, for example, a floor-type fan-coil heat exchanger is disclosed in patent application No. 200820225573.4.
However, the floor-type fan coil heat exchanger disclosed in the patent with the application number of 200820225573.4 is inconvenient to install the coil heat exchanger on a wall or on the ground as required, and the heat exchange efficiency of the coil is low, so that when water drops enter the inside of the fan, the wiring of the fan is easily affected with damp and even short circuit is caused.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a fan coil heat exchanger.
The technical scheme adopted by the invention for solving the technical problems is as follows: a fan coil heat exchanger comprises a supporting structure, a filtering structure, a containing box, a limiting structure, a heat exchange structure, a reinforcing rod, a connecting pipe and a fan; the top end of the supporting structure is provided with the containing box with one end of a semi-cylindrical structure, the fan is arranged inside the containing box, and the connecting pipe is fixed on the fan; the two ends of the containing box are symmetrically provided with the waterproof filtering structures, and the filtering structures are detachably connected with the containing box; the top end of the containing box is provided with the heat exchange structure for heat exchange, and one end of the connecting pipe, which is far away from the fan, is connected to the heat exchange structure; the heat exchange structure is provided with the limiting structure for overhauling and maintaining; one end of the reinforcing rod is fixed to the heat exchange structure, the other end of the reinforcing rod is fixed to the containing box, and the reinforcing rod, the heat exchange structure and the containing box form a triangular structure in an enclosing mode.
Specifically, the supporting structure comprises a supporting sleeve and a mounting groove, the supporting sleeve in the shape of a 'mouth' is connected with the containing box through a bolt, and the mounting groove is formed in the supporting sleeve.
Specifically, filtration includes a plurality of gag lever posts, end cover and a plurality of filtration pore, the both ends symmetry of containing box is equipped with two the end cover, the cross-section of end cover is trapezoidal, the end cover is close to the one end circumference array of containing box is equipped with a plurality of the gag lever post, the gag lever post with the containing box block, the gag lever post is regular hexagon structure, be equipped with a plurality of V-arrangement structures on the end cover the filtration pore, it deviates from to filter the pore the one end of gag lever post is round platform column structure.
Specifically, the heat exchange structure comprises a limiting plate, a flow guide sleeve, a flow guide chamber, two through holes, a heat exchange tube and a sealing ring, one end of the S-shaped flow guide sleeve is fixed on the containing box, the other end of the flow guide sleeve is fixed on the reinforcing rod, the containing box and the flow guide sleeve enclose a curved triangle structure, the S-shaped flow guide chamber is arranged inside the flow guide sleeve, one end of the connecting tube departing from the fan extends into the flow guide chamber, the inside of the flow guide chamber is symmetrically provided with two limiting plates, the limiting plates are abutted against the flow guide sleeve, the sealing ring with a rhombic cross section is arranged on the limiting plates, the sealing ring is abutted against the flow guide sleeve, the S-shaped heat exchange tube for heat exchange is clamped between the two limiting plates, and the cross section of the heat exchange tube is in a cross-shaped structure, the two through holes respectively penetrate through one of the limiting plates, and two ends of the heat exchange tube are communicated with the through holes.
Specifically, limit structure includes a plurality of stop collars and fixture block, and is a plurality of the stop collar weld in the water conservancy diversion cover, the both ends symmetry of stop collar is equipped with two the fixture block, the fixture block with pass through bolted connection between the stop collar, the fixture block with sliding connection between the stop collar, the fixture block with the limiting plate is contradicted.
The invention has the beneficial effects that:
according to the fan coil heat exchanger, the supporting structure is arranged at the bottom end of the containing box, so that the fan coil heat exchanger can be conveniently installed on the ground through the supporting structure, the reinforcing rod is arranged between the supporting structure and the heat exchange structure, the fan coil heat exchanger can be conveniently installed on a wall body through the reinforcing rod, the fan coil heat exchanger can be conveniently installed on the wall body or the ground according to needs, operation flexibility is improved, and meanwhile the heat exchange structure, the reinforcing rod and the containing box form a triangular structure, so that the heat exchange structure is more stable.
According to the fan coil heat exchanger, the two ends of the storage box are symmetrically provided with the two filtering structures, so that liquid is effectively prevented from entering the storage box, the wiring position of a fan in the storage box is prevented from being affected with damp, and the use stability of the fan coil heat exchanger is greatly improved.
According to the fan coil heat exchanger, the heat exchange structure is matched with the fan, so that the heat exchange time is prolonged, the heat exchange area is increased, and the heat exchange quality and efficiency are improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of an overall structure of a fan coil heat exchanger according to a preferred embodiment of the present invention;
FIG. 2 is a schematic view of a connection structure between the support structure and the storage box shown in FIG. 1;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is a schematic structural view of the heat exchange structure shown in FIG. 3;
fig. 5 is a schematic view of the filter structure shown in fig. 1.
In the figure: 1. supporting structure, 11, support cover, 12, mounting groove, 2, filtration, 21, gag lever post, 22, end cover, 23, filtration hole, 3, containing box, 4, limit structure, 41, stop collar, 42, fixture block, 5, heat transfer structure, 51, limiting plate, 52, water conservancy diversion cover, 53, water conservancy diversion room, 54, through-hole, 55, heat exchange tube, 56, sealing washer, 6, anchor strut, 7, connecting pipe, 8, fan.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-5, the fan coil heat exchanger of the present invention includes a supporting structure 1, a filtering structure 2, a storage box 3, a limiting structure 4, a heat exchange structure 5, a reinforcing rod 6, a connecting pipe 7 and a fan 8; the top end of the supporting structure 1 is provided with the containing box 3 with one end in a semi-cylindrical structure, the fan 8 is arranged inside the containing box 3, and the connecting pipe 7 is fixed on the fan 8; the two ends of the containing box 3 are symmetrically provided with the waterproof filter structures 2, and the filter structures 2 are detachably connected with the containing box 3; the top end of the containing box 3 is provided with the heat exchange structure 5 for heat exchange, and one end of the connecting pipe 7 departing from the fan 8 is connected to the heat exchange structure 5; the heat exchange structure 5 is provided with the limit structure 4 for overhauling and maintenance; one end of the reinforcing rod 6 is fixed to the heat exchange structure 5, the other end of the reinforcing rod 6 is fixed to the containing box 3, and the reinforcing rod 6, the heat exchange structure 5 and the containing box 3 form a triangular structure; the supporting structure 1 is arranged at the bottom end of the containing box 3, so that the fan coil heat exchanger can be conveniently installed on the ground through the supporting structure 1, the reinforcing rod 6 is arranged between the supporting structure 1 and the heat exchange structure 5, the fan coil heat exchanger can be conveniently installed on a wall body through the reinforcing rod 6, the fan coil heat exchanger can be conveniently installed on the wall body or the ground according to needs, the operation flexibility is improved, meanwhile, the heat exchange structure 5, the reinforcing rod 6 and the containing box 3 form a triangular structure, and the heat exchange structure 5 is more stable; two ends of the containing box 3 are symmetrically provided with two filtering structures 2, so that liquid is effectively prevented from entering the containing box 3, the wiring position of a fan in the containing box 3 is prevented from being affected with damp, and the use stability of the fan coil heat exchanger is greatly improved; the heat exchange structure 5 is matched with the fan 8, so that the heat exchange time is prolonged, the heat exchange area is increased, and the heat exchange quality and the heat exchange efficiency are improved.
Specifically, the supporting structure 1 comprises a supporting sleeve 11 and a mounting groove 12, the supporting sleeve 11 in a "mouth" shape is connected with the containing box 3 through a bolt, and the mounting groove 12 is arranged inside the supporting sleeve 11; and then be convenient for twist screw in the inside of mounting groove 12, make support cover 11 fix subaerial, when needs fix on the wall body, put into expansion bolts on the wall body, then will reinforcing bar 6 contradicts with the wall body, and is right through expansion bolts reinforcing bar 6 carries on spacingly, and then be convenient for install fan coil heat exchanger on different positions as required, and then improved the flexibility of operation.
Specifically, the filtering structure 2 comprises a plurality of limiting rods 21, end covers 22 and a plurality of filtering holes 23, two end covers 22 are symmetrically arranged at two ends of the containing box 3, the cross section of each end cover 22 is trapezoidal, a plurality of limiting rods 21 are circumferentially arrayed at one end, close to the containing box 3, of each end cover 22, the limiting rods 21 are clamped with the containing box 3, each limiting rod 21 is of a regular hexagon structure, the end covers 22 are provided with the filtering holes 23 of a plurality of V-shaped structures, and one end, away from the limiting rods 21, of each filtering hole 23 is of a circular truncated cone-shaped structure; firstly, the limiting rod 21 on the end cover 22 is clamped with the containing box 3, then a bolt penetrating through the limiting rod 21 is screwed, so that the end cover 22 is abutted against the containing box 3, the installation of the end cover 22 is more convenient and quicker, the maintenance of the fan 8 in the containing box 3 is convenient, when liquid enters the filter hole 23, the liquid is discharged through the filter hole 23 with a V-shaped structure under the action of gravity, meanwhile, air enters the containing box 3 from the filter hole 23, one end of the filter hole 23, which is far away from the limiting rod 21, is of a round table structure, so that the filter hole 23 has a flow gathering effect, the circulation effect of the air is better, the liquid is effectively prevented from entering the containing box 3, and the wiring part of the fan in the containing box 3 is prevented from being affected with damp, and then the stability in use of fan coil heat exchanger has been improved greatly.
Specifically, the heat exchange structure 5 includes a limiting plate 51, a flow guide sleeve 52, a flow guide chamber 53, two through holes 54, a heat exchange tube 55 and a sealing ring 56, one end of the S-shaped flow guide sleeve 52 is fixed to the storage box 3, the other end of the flow guide sleeve 52 is fixed to the reinforcing rod 6, the storage box 3 and the flow guide sleeve 52 enclose a curved triangular structure, the S-shaped flow guide chamber 53 is arranged inside the flow guide sleeve 52, one end of the connecting tube 7, which is away from the fan 8, extends into the flow guide chamber 53, two limiting plates 51 are symmetrically arranged inside the flow guide chamber 53, the limiting plates 51 abut against the flow guide sleeve 52, the sealing ring 56 with a rhombic cross section is arranged on the limiting plates 51, the sealing ring 56 abuts against the flow guide sleeve 52, and the S-shaped heat exchange tube 55 for heat exchange is clamped between the two limiting plates 51, the cross section of the heat exchange tube 55 is of a cross-shaped structure, two through holes 54 respectively penetrate through one of the limiting plates 51, and two ends of the heat exchange tube 55 are communicated with the through holes 54; firstly, one through hole 54 far away from the fan 8 is connected to a liquid inlet pipe, the other through hole 54 close to the fan 8 is connected to a liquid discharge pipe, so that the temperature of the exhaust end of the diversion chamber 53 is the highest, the heat exchange efficiency is higher, the heat exchange efficiency is greatly improved, water flow enters the inside of the heat exchange pipe 55 through the liquid inlet pipe and then is discharged from the liquid discharge pipe, the heat exchange pipe 55 is contacted with air to exchange heat, the fan 8 promotes the air to be discharged from the diversion chamber 53 through the connecting pipe 7, the indoor temperature is rapidly raised, meanwhile, the cross section of the heat exchange pipe 55 is of a cross-shaped structure, the heat exchange area is increased, the heat exchange pipe 55 is S-shaped and is arranged in the diversion chamber 53, the heat exchange distance is further prolonged, the heat exchange efficiency and the quality are improved, the reinforcing rod 6, the storage box 3 and the diversion sleeve 52 enclose a curved triangular structure, the stability of the flow guide sleeve 52 is greatly improved.
Specifically, the limiting structure 4 includes a plurality of limiting sleeves 41 and fixture blocks 42, the limiting sleeves 41 are welded to the diversion sleeve 52, two fixture blocks 42 are symmetrically arranged at two ends of the limiting sleeve 41, the fixture blocks 42 are connected with the limiting sleeve 41 through bolts, the fixture blocks 42 are connected with the limiting sleeve 41 in a sliding manner, and the fixture blocks 42 are abutted against the limiting plate 51; when the heat exchange tube 55 is overhauled, the bolt on the fixture block 42 is disassembled, the fixture block 42 is slid, the fixture block 42 is not abutted against the limiting plate 51, the heat exchange tube 55 is overhauled, after the overhaul and maintenance are finished, one of the limiting plates 51 is abutted against the flow guide sleeve 52, the bolt on the fixture block 42 is screwed, so that the fixture block 42 is abutted against the limiting plate 51, the limiting plate 51 props against the sealing ring 56 to seal the limiting plate 51, the section of the sealing ring 56 is diamond-shaped, thereby increasing the stress area between the limiting plate 51 and the flow guide sleeve 52, improving the sealing performance between the limiting plate 51 and the flow guide sleeve 52, then, the heat exchange tube 55 is installed inside the diversion chamber 53, the heat exchange tube 55 is abutted against the limiting plate 51, and then the other limiting plate 51 is fixed in sequence.
In use, one through hole 54 facing away from the fan 8 is first connected to the liquid inlet pipe, the other through hole 54 adjacent to the fan 8 is connected to the liquid discharge pipe, thereby the temperature of the exhaust end of the diversion chamber 53 is the highest, the heat exchange efficiency is higher, the heat exchange efficiency is greatly improved, the water flow enters the inside of the heat exchange pipe 55 through the liquid inlet pipe, then discharged from the liquid discharge pipe, the heat exchange pipe 55 is contacted with the air for heat exchange, the fan 8 promotes the air to be discharged from the diversion chamber 53 through the connecting pipe 7, further rapidly heating the indoor space, meanwhile, the cross section of the heat exchange tube 55 is in a cross-shaped structure, the heat exchange area is increased, the heat exchange tube 55 is arranged in the diversion chamber 53 in an S shape, the reinforcing rod 6, the containing box 3 and the flow guide sleeve 52 form a curved-edge triangular structure, so that the stability of the flow guide sleeve 52 is greatly improved; when the heat exchange tube 55 is overhauled, the bolts on the fixture blocks 42 are detached, the fixture blocks 42 are slid, the fixture blocks 42 are enabled not to be abutted to the limiting plates 51, the heat exchange tube 55 is overhauled and maintained, after the overhauling and maintenance are finished, one of the limiting plates 51 is abutted to the flow guide sleeve 52, the bolts on the fixture blocks 42 are screwed, the fixture blocks 42 are abutted to the limiting plates 51, the limiting plates 51 are abutted to the sealing rings 56 to seal the limiting plates 51, the cross sections of the sealing rings 56 are rhombic, so that the stress areas with the flow guide sleeve 52 are increased, the sealing performance between the limiting plates 51 and the flow guide sleeve 52 is better, then the heat exchange tube 55 is installed inside the flow guide chamber 53, the heat exchange tube 55 is abutted to the; the supporting sleeve 11 is internally provided with a mounting groove 12; further, screws can be conveniently screwed into the mounting grooves 12, so that the support sleeve 11 is fixed on the ground, when the support sleeve is required to be fixed on a wall, expansion bolts are arranged on the wall, then the reinforcing rods 6 are abutted against the wall, and the reinforcing rods 6 are limited through the expansion bolts, so that the fan coil heat exchanger can be conveniently mounted on different positions as required, and further, the operation flexibility is improved; with gag lever post 21 and containing box 3 block on the end cover 22, then twist the bolt that runs through in gag lever post 21, make end cover 22 conflict containing box 3, and then make the installation of end cover 22 convenient and fast more, be convenient for overhaul the fan 8 of the inside of containing box 3 and maintain, when liquid gets into filtration pore 23, liquid discharges through the filtration pore 23 of V-arrangement structure under the action of gravity, the inside of containing box 3 is got into from filtration pore 23 to the air simultaneously, the one end that filtration pore 23 deviates from gag lever post 21 is round platform column structure, make filtration pore 23 have the effect of gathering streams, and then make the circulation effect of air better, and then the effectual inside that prevents liquid entering containing box 3, and then the junction of the fan of the inside of containing box 3 has been avoided weing, and then the stability in use of fan coil heat exchanger has been improved greatly.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. A fan coil heat exchanger which characterized in that: the device comprises a supporting structure (1), a filtering structure (2), a containing box (3), a limiting structure (4), a heat exchange structure (5), a reinforcing rod (6), a connecting pipe (7) and a fan (8); the top end of the supporting structure (1) is provided with the containing box (3) with one end of a semi-cylindrical structure, the fan (8) is arranged inside the containing box (3), and the connecting pipe (7) is fixed on the fan (8); the two ends of the containing box (3) are symmetrically provided with the waterproof filter structures (2), and the filter structures (2) are detachably connected with the containing box (3); the top end of the containing box (3) is provided with the heat exchange structure (5) for heat exchange, and one end, away from the fan (8), of the connecting pipe (7) is connected to the heat exchange structure (5); the heat exchange structure (5) is provided with the limiting structure (4) for overhauling and maintaining; one end of the reinforcing rod (6) is fixed to the heat exchange structure (5), the other end of the reinforcing rod (6) is fixed to the containing box (3), and the reinforcing rod (6), the heat exchange structure (5) and the containing box (3) enclose a triangular structure;
the supporting structure (1) comprises a supporting sleeve (11) and a mounting groove (12), the supporting sleeve (11) in a shape of a square is connected with the containing box (3) through a bolt, and the mounting groove (12) is arranged in the supporting sleeve (11);
filtration (2) include a plurality of gag lever post (21), end cover (22) and a plurality of filtration pore (23), the both ends symmetry of containing box (3) is equipped with two end cover (22), the cross-section of end cover (22) is trapezoidal, end cover (22) are close to the one end circumference array of containing box (3) is equipped with a plurality ofly gag lever post (21), gag lever post (21) with containing box (3) block, gag lever post (21) are regular hexagon structure, be equipped with a plurality of V-arrangement structures on end cover (22) filtration pore (23), filtration pore (23) deviate from the one end of gag lever post (21) is round platform column structure.
2. A fan coil heat exchanger as set forth in claim 1, wherein: the heat exchange structure (5) comprises a limiting plate (51), a flow guide sleeve (52), a flow guide chamber (53), two through holes (54), a heat exchange tube (55) and a sealing ring (56), one end of the S-shaped flow guide sleeve (52) is fixed to the storage box (3), the other end of the flow guide sleeve (52) is fixed to the reinforcing rod (6), the storage box (3) and the flow guide sleeve (52) are enclosed to form a curved-edge triangular structure, the S-shaped flow guide chamber (53) is arranged inside the flow guide sleeve (52), one end of the connecting tube (7) deviating from the fan (8) extends to the inside of the flow guide chamber (53), the two limiting plates (51) are symmetrically arranged inside the flow guide chamber (53), the limiting plates (51) are abutted against the flow guide sleeve (52), the sealing ring (56) with a rhombic cross section is arranged on the limiting plate (51), sealing washer (56) with water conservancy diversion cover (52) are contradicted, two the block has the heat exchange tube (55) that is used for of S-shaped distribution between limiting plate (51), the cross-section of heat exchange tube (55) is "ten" font structure, two through-hole (54) run through respectively in one of them limiting plate (51), the both ends of heat exchange tube (55) with through-hole (54) switch on.
3. A fan coil heat exchanger as set forth in claim 2, wherein: limit structure (4) include a plurality of stop collar (41) and fixture block (42), and is a plurality of stop collar (41) weld in water conservancy diversion cover (52), the both ends symmetry of stop collar (41) is equipped with two fixture block (42), fixture block (42) with pass through bolted connection between stop collar (41), fixture block (42) with sliding connection between stop collar (41), fixture block (42) with limiting plate (51) are contradicted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910563864.7A CN110285484B (en) | 2019-06-26 | 2019-06-26 | Fan coil heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910563864.7A CN110285484B (en) | 2019-06-26 | 2019-06-26 | Fan coil heat exchanger |
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| CN110285484A CN110285484A (en) | 2019-09-27 |
| CN110285484B true CN110285484B (en) | 2020-12-15 |
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| CN201910563864.7A Active CN110285484B (en) | 2019-06-26 | 2019-06-26 | Fan coil heat exchanger |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58158434A (en) * | 1982-03-17 | 1983-09-20 | Matsushita Electric Ind Co Ltd | Display device for loading of air filter in air conditioner |
| CN101782255B (en) * | 2010-02-11 | 2013-12-11 | 黄泉忠 | Temperature-adjustable air cooler |
| CN203442972U (en) * | 2013-08-25 | 2014-02-19 | 叶立英 | Device for utilizing tail end of indoor air conditioner and filter elements to treat air |
| CN206522884U (en) * | 2017-02-05 | 2017-09-26 | 马玉岭 | Quick-cooling, heating group of switches |
| CN208458099U (en) * | 2018-05-31 | 2019-02-01 | 河南咏谦节能科技有限公司 | A kind of fan coil units of intelligent control |
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Effective date of registration: 20201126 Address after: No. 166, chemical engineering road, economic development zone, Boxing County, Binzhou City, Shandong Province Applicant after: Boxing new industry development Co., Ltd Address before: 310020 Room 1204, New Ginza, No. 73 Qiutaobei Road, Jianggan District, Hangzhou City, Zhejiang Province Applicant before: Di Fengjun |
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