CN108954521B - Electric heating pipe assembly, cabinet air conditioner and air conditioner - Google Patents
Electric heating pipe assembly, cabinet air conditioner and air conditioner Download PDFInfo
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- CN108954521B CN108954521B CN201810856164.2A CN201810856164A CN108954521B CN 108954521 B CN108954521 B CN 108954521B CN 201810856164 A CN201810856164 A CN 201810856164A CN 108954521 B CN108954521 B CN 108954521B
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- heating pipe
- power supply
- heat exchanger
- air conditioner
- indoor heat
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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
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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
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Air-Conditioning For Vehicles (AREA)
- Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
Abstract
The invention discloses an electric heating pipe component, a cabinet air conditioner and an air conditioner, wherein the electric heating pipe component comprises an indoor heat exchanger, a heating pipe, a side bracket and a power supply connecting wire; the heating pipe is fixedly arranged on the indoor heat exchanger; the side bracket is fixedly arranged on the indoor heat exchanger and is arranged at intervals with the heating pipe; one end of a power supply connecting wire is connected with the heating pipe, and the other end of the power supply connecting wire is fixed on the side support and extends along the side support. The technical scheme of the invention can improve the wiring reliability of the power supply connecting wire of the cabinet air conditioner.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to an electric heating pipe assembly, a cabinet air conditioner and an air conditioner.
Background
At present, for an air conditioner, particularly a split type floor air conditioner, an electric heating module is generally arranged on a heat exchanger. The electric heating module comprises a plurality of electric heating pipes with bending designs and a bracket for fixing the electric heating pipes. Since the electric heating pipes are usually fixed by the single bracket, a plurality of electric heating pipes are not fixed reliably; meanwhile, a power supply connecting wire is led out of one end of the electric heating pipe, the power supply connecting wire is not provided with a reliable wiring design, and when the power supply connecting wire shakes, the power supply connecting wire is extremely easy to collide and contact with the electric heating pipe with high temperature, so that potential safety hazards are easily caused.
Disclosure of Invention
The invention mainly aims to provide an electric heating pipe component, aiming at improving the wiring reliability of a power supply connecting wire of a cabinet air conditioner.
In order to achieve the purpose, the electric heating pipe assembly provided by the invention comprises an indoor heat exchanger, a heating pipe, a side bracket and a power supply connecting wire; the heating pipe is fixedly arranged on the indoor heat exchanger; the side bracket is fixedly arranged on the indoor heat exchanger and is arranged at intervals with the heating pipe; one end of a power supply connecting wire is connected with the heating pipe, and the other end of the power supply connecting wire is fixed on the side support and extends along the side support.
Optionally, a wire passing buckle is arranged on the side support, one end of the wire passing buckle is connected with the side support, and the other end of the wire passing buckle is clamped with the power supply connecting wire.
Optionally, the number of the wire passing buckles is at least two.
Optionally, the power connection line is spaced from the adjacent heating tube by a minimum distance of L, wherein,
wherein I is current, R is resistance, T is time, Pr is Prandd is pipe diameter of horizontal pipeline, α is heat convection coefficient, lambda is heat conductivity coefficient of air, g is gravity acceleration, upsilon is kinematic viscosity of air, β is volume expansion coefficient of fluid, delta T is excess temperature, c and n are both unit-free parameters, when the range of product of Gravax standard number and Prandd number is 104～109When c is 0.53 and n is 1/4, the range of the product of the Gravax number and the Prandlor number is 109～1012When c is 0.13, n is 1/3. Optionally, the number of the side brackets is two, the two side brackets are oppositely arranged at intervals, and the heating pipe is located between the two side brackets;
the electric heating pipe assembly also comprises a power supply bracket and a power supply seat arranged on the power supply bracket, and two ends of the power supply bracket are respectively connected with one side bracket;
the other end of the power supply connecting wire comprises a first connecting wire section extending along the side support and a second connecting wire section connected with the power supply base.
Optionally, the second connecting line segment includes a vertical sub-segment and a parallel sub-segment which are connected in sequence; the vertical sub-section extends from the end of the first connection section facing the power bracket vertically in a direction away from the indoor heat exchanger; the parallel subsections are parallel to the indoor heat exchanger at intervals, and one ends, far away from the vertical subsections, of the parallel subsections are bent towards the power supply seat and connected with the power supply seat.
Optionally, the distance between the power supply bracket, the vertical subsection, the parallel subsection and the adjacent heating pipe is greater than or equal to L.
Optionally, the electric heating pipe assembly further comprises a plurality of fixing pipe buckles, and the heating pipe is fixed on the indoor heat exchanger through the fixing pipe buckles. Optionally, the electric heating tube assembly further comprises a transverse support frame arranged between the supports at the two sides, the heating tube is lapped on the transverse support frame, and two ends of the transverse support frame are respectively fixed with the side supports at the corresponding sides; the heating pipe is lapped on the transverse supporting frame, and part of the fixed pipe buckles are detachably fixed on the transverse supporting frame.
Optionally, the indoor heat exchanger includes heat exchanger side plates located at two opposite edges of the indoor heat exchanger, the cross section of the side bracket is L type, and the side bracket includes a first connecting plate and a second connecting plate which are connected with each other, the first connecting plate is attached to the heat exchanger side plates, and the second connecting plate is formed by protruding from an inner side edge of the first connecting plate in a direction away from the indoor heat exchanger.
Optionally, the heating pipe is sleeved with continuous corrugated heat conducting wires.
The invention also provides a cabinet air conditioner, which comprises a shell, an air supply assembly and an electric heating pipe assembly, wherein the electric heating pipe assembly comprises an indoor heat exchanger, a heating pipe, a side bracket and a power supply connecting wire; the heating pipe is fixedly arranged on the indoor heat exchanger; the side bracket is fixedly arranged on the indoor heat exchanger and is arranged at intervals with the heating pipe; one end of a power supply connecting wire is connected with the heating pipe, and the other end of the power supply connecting wire is fixed on the side support and extends along the side support. An air duct is arranged in the shell, and the electric heating pipe assembly and the air supply assembly are arranged in the air duct.
Optionally, the heating pipe of the electric heating pipe assembly includes multiple sections of heating sub-pipes, and adjacent heating sub-pipes are connected by a U-shaped connecting line, the electric heating pipe assembly is located at the downstream of the air supply direction of the air supply assembly, and in the air supply direction, the U-shaped connecting line is located at the upstream of the heating sub-pipes.
Optionally, in a direction perpendicular to the air supply direction, the heating pipe is arranged in parallel with the power supply connection line.
Optionally, the housing and the heating tube have a space therebetween.
The invention also provides an air conditioner, which comprises an air conditioner outdoor unit and a cabinet air conditioner which are connected with each other. The cabinet air conditioner comprises a shell, an air supply assembly and an electric heating pipe assembly. The electric heating pipe component comprises an indoor heat exchanger, a heating pipe, a side bracket and a power supply connecting wire; the heating pipe is fixedly arranged on the indoor heat exchanger; the side bracket is fixedly arranged on the indoor heat exchanger and is arranged at intervals with the heating pipe; one end of a power supply connecting wire is connected with the heating pipe, and the other end of the power supply connecting wire is fixed on the side support and extends along the side support. An air duct is arranged in the shell, and the electric heating pipe assembly and the air supply assembly are arranged in the air duct.
In the technical scheme of the invention, the side brackets which are arranged at intervals with the heating pipe are fixedly arranged on the indoor heat exchanger, and one end of the power supply connecting wire is connected with the heating pipe, the other end of the power supply connecting wire is fixed on the side brackets and extends along the side brackets, so that the power supply connecting wire can obtain a safe wiring structure design by being fixed on the side brackets, thereby not only being beneficial to the beautiful internal wiring layout, but also being capable of improving the wiring reliability of the power supply connecting wire, and ensuring that the power supply connecting wire is not easy to be damaged due to easy shaking and too close distance to the heating pipe, even is burnt by high temperature and other safety accidents.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of an electric heating tube assembly according to the present invention;
FIG. 2 is an enlarged schematic view at A in FIG. 1;
fig. 3 is a schematic view of another angle of the electric heating tube assembly of fig. 1;
fig. 4 is a schematic structural diagram of an electric heating tube assembly to which another embodiment of the present invention is applied in a cabinet air conditioner;
fig. 5 is a schematic structural view of the electric heating tube assembly in fig. 4;
FIG. 6 is an enlarged schematic view at B of FIG. 5;
FIG. 7 is a schematic sectional view taken along the line S1-S1 in FIG. 5;
fig. 8 is an enlarged schematic view at C in fig. 7.
The reference numbers illustrate:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides an electric heating pipe component and a cabinet air conditioner with the same.
Referring to fig. 1 to 3, in an embodiment of the present invention, the electric heating tube assembly includes an indoor heat exchanger 1, a heating tube 2, a side bracket 3, and a power connection line 4; the heating pipe 2 is fixedly arranged on the indoor heat exchanger 1; the side bracket 3 is fixedly arranged on the indoor heat exchanger 1 and is arranged at intervals with the heating pipe 2; one end of the power supply connecting wire 4 is connected with the heating pipe 2, and the other end is fixed on the side bracket 3 and extends along the side bracket 3.
It should be noted that, in the present embodiment and another embodiment shown in fig. 4 to 8, the indoor air conditioner is a split floor type cabinet air conditioner. The cabinet air conditioner generally includes a casing 9 having an inner cavity, in which various components, such as an air supply assembly 8 and an electric heating pipe assembly located above the air supply assembly 8, are installed, an air duct (not labeled) is provided in the casing 9, and the electric heating pipe assembly and the air supply assembly 8 are both provided in the air duct. As shown in fig. 3, the indoor heat exchanger 1 includes two heat exchange plates 11 spaced from each other, and a heat exchange tube 12 disposed between the two heat exchange plates 11 and bent continuously, wherein a refrigerant flows through the heat exchange tube 12, and air contacts with the indoor heat exchanger 1 to exchange heat, thereby implementing a heat exchange process of the indoor unit of the air conditioner. In order to enhance the heating function of the indoor heat exchanger 1 in the heating state, an electric heating module is generally arranged on the rear plate surface of the indoor heat exchanger 1, and the electric heating module includes a plurality of heating pipes 2 with a bending design and a bracket for fixing the electric heating pipes 2. In the current common products, the temperature of the heating tube 2 during operation usually reaches 200 ℃ or higher, but the heating tube 2 is usually fixed by a single support, so that the plurality of heating tubes 2 are not fixed reliably; meanwhile, a power supply connecting wire 4 is led out of one end of the heating pipe 2, the power supply connecting wire 4 is not provided with a reliable wiring design, and an effective safety gap is not formed between the power supply connecting wire 4 and the heating pipe 2, and when the power supply connecting wire 4 shakes, the power supply connecting wire 4 is extremely easy to collide and contact with the heating pipe 2 with high temperature, so that potential safety hazards are caused.
Furthermore, the housing 9, in particular the rear plate of the housing 9, should have a spacing from the heating pipe 2, since the housing 9 is usually an injection-molded part, and this spacing is provided to effectively prevent the heating pipe 2 from melting the housing 9. In particular, in case of sudden power failure, the air supply assembly is rapidly turned off, and the heating tube 2 is heated and then cooled by the residual heat, during the heating process, the temperature of the heating tube 2 may exceed 250 ℃, and at this high temperature, if there is no space between the housing 9 and the heating tube 2, the heating tube is easily burned out. In this embodiment, owing to set firmly the collateral branch frame 3 that sets up with 2 intervals of heating pipe on indoor heat exchanger 1, and 4 one ends of power connecting wire are connected with heating pipe 2, the other end is fixed in collateral branch frame 3, and extend along collateral branch frame 3, so, power connecting wire 4 just can be through being fixed in on the collateral branch frame 3 and obtain safe line structural design of walking, so, not only be favorable to pleasing to the eye inside to walk the overall arrangement of line, but also can heighten power connecting wire 4 walk the line reliability, guarantee that power connecting wire 4 is difficult because of rock easily and lead to damaging apart from heating pipe 2 too closely, incident emergence such as high temperature burns out even.
Specifically, in another embodiment shown in fig. 4 to 6, in addition to the structure shown in fig. 1 to 3, a wire passing buckle 33 is disposed on the side bracket 3, one end of the wire passing buckle 33 is connected to the side bracket 3, and the other end is connected to the power connection wire 4 in a snap-fit manner. Certainly, in other embodiments, the power connection line 4 may also be fixed to the side bracket 3 by, for example, but not limited to, using glue for bonding, but the fixing manner using the line passing buckle 33 in this embodiment not only has the characteristic of firm fixation, but also has the convenience of facilitating subsequent dismounting and maintenance. Further, as shown in fig. 5, the number of the wire passing buckles 33 is at least two, so that the power connection wire 4 is fixed at multiple points, and the reliability of the wiring can be further improved.
It should be noted that, in order to ensure safe routing of the power connection line 4, the minimum distance between the power connection line 4 and the adjacent heating tube 2 is L, wherein the specific calculation formula of L is as follows:
wherein I is current, R is resistance, T is time, Pr is Prandd is pipe diameter of horizontal pipeline, α is heat convection coefficient, lambda is heat conductivity coefficient of air, g is gravity acceleration, upsilon is kinematic viscosity of air, β is volume expansion coefficient of fluid, delta T is excess temperature, c and n are both unit-free parameters, when the range of product of Gravax standard number and Prandd number is 104～109When c is 0.53 and n is 1/4, the range of the product of the Gravax number and the Prandlor number is 109～1012When c is 0.13, n is 1/3, it can be understood that the minimum distance L can prevent the occurrence of safety accidents such as the power connection line 4 being burned due to the high temperature caused by the small distance between the power connection line 4 and the heating tube 2, and the technical scheme of the embodiment can fix the power connection line 4 on the side bracket 3 by using the wire passing buckle 33, so as to control the distance between the power connection line 4 and the heating tube 2 to be greater than or equal to the minimum safety distance L.
Referring to fig. 1 and 4, in the two embodiments, the number of the side brackets 3 is two, the two side brackets 3 are arranged at intervals, the heating tube 2 is located between the two side brackets 3, the electric heating tube assembly further comprises a power bracket 5 and a power base 51 arranged on the power bracket 5, two ends of the power bracket 5 are respectively connected with one side bracket 3, the other end of the power connecting wire 4 comprises a first connecting wire section 41 extending along the side bracket 3 and a second connecting wire section 42 connected with the power base 51, specifically, the second connecting wire section 42 comprises a vertical subsection 421 and a parallel subsection 422 which are connected in sequence, the vertical subsection 421 extends from the tail end of the first connecting wire section 41 facing the power bracket 5 and along the width direction of the side bracket 3 and extends towards the direction away from the indoor heat exchanger 1, the parallel subsection 422 is parallel to the power bracket 5 and the indoor heat exchanger 1 at intervals, one end of the parallel subsection 422 far away from the vertical subsection 421 is bent towards the power base 51 and connected with the power base 51, in order to ensure that the power connecting wire 4 meets the specification of the safety specification, the occurrence of the power bracket 5 is prevented from being damaged, the power bracket 5, the parallel subsection 422 is adjacent to be more than the distance between the power bracket 5 and the two ends of the power bracket 5, the two side brackets 3, the two side brackets 3, the heating tube 2 is preferably, the heating tube is capable of the heating tube, the heating tube is capable of being connected with the heating tube, the.
It should be noted that, for the convenience of manufacture and assembly, the heating pipe 2 includes a plurality of heater sub-pipes, and the adjacent heater sub-pipes are connected by a U-shaped connection line, specifically, the heater sub-pipes are divided into two types, that is, a first heater sub-pipe 21 in ∩ type and a second heater sub-pipe 22 in M type and built in the region surrounded by the first heater sub-pipe 21, both free ends of the first heater sub-pipe 21 and the second heater sub-pipe 22 are connected by a U-shaped connection line 23 to form a complete power-on loop, the power connection line 4 is led out at the connection of the free ends of the first heater sub-pipe 21 and the second heater sub-pipe 22 adjacent to the side frame 3, and the power connection line 4 includes two positive connection lines and a negative connection line insulated from each other, it can be understood that in this arrangement, as shown in fig. 4, the electric heating pipe assembly is located downstream of the air supply assembly 8 in the air supply direction, and the U-shaped connection line 23 is located upstream of the heating sub-pipes in the air supply direction, so that when the air supply assembly 8 rotates, the high-temperature air is prevented from being blown onto the power connection line 2 and the heating pipe 4 is also prevented from being damaged, and the high-temperature air-temperature heating pipe is further arranged on the power supply line 4.
Referring to fig. 1 and 5, in both embodiments, further, the electric heating tube assembly further includes a plurality of fixing tube fasteners 6, and the heating tube 2 is fixed to the indoor heat exchanger 1 through the fixing tube fasteners 6, so as to improve the assembling and fixing reliability of the heating tube 2.
Further, in order to further increase the fixing reliability of the heating tube 2, in two embodiments, the electric heating tube assembly further includes a horizontal support frame 7 disposed between the two side supports 3, the heating tube 2 is lapped on the horizontal support frame 7, and a part of the fixing tube fasteners 6 is detachably fixed on the horizontal support frame 7. Specifically, in the present embodiment, one transverse support frame 7 is provided, and is preferably provided adjacent to the lower end of the heating tube 2, and the power supply mounting bracket is located above the transverse support frame 7; fixed pipe buckle 6 is equipped with 6 altogether, and wherein 3 fixed pipe buckles 6 can be dismantled and fix on horizontal support frame 7, and 3 fixed pipe buckles 6 are used for fixed heating pipe 2 in addition, and the upper end setting of neighbouring heating pipe 2, like this, just can carry out effectual fixed to heating pipe 2 when keeping 2 intervals of heating pipe. However, the design is not limited thereto, in other embodiments, a plurality of transverse supporting frames 7 may be provided, and the number of the fixing pipe fasteners 6 may also be set according to actual requirements. Here, the fixed pipe buckle 6 is generally a sheet metal part, and the fixed pipe buckle 6 includes a middle straight plate section 61 and arc-shaped end portions 62 which are respectively arranged at two ends of the middle straight plate section 61 and have consistent bending directions; the arc-shaped end part 62 bends towards the transverse support frame 7 or the heat exchange plate 11, the heating pipe 2 is clamped between the arc-shaped end part 62 and the transverse support frame 7 or the heat exchange plate 11, a fixing hole 63 detachably connected with the transverse support frame 7 or the heat exchange plate 11 is formed in the middle straight plate section 61, and a screw penetrates through the fixing hole 63 to enable the fixing pipe buckle 6 to be detachably connected with the transverse support frame 7 or the heat exchange plate 11.
Referring to fig. 1, 2 and 7, in both embodiments, both ends of the lateral support frame 7 are fixed to the corresponding side frames 3. Specifically, the both ends of the cross bracing frame 7 are turned over to the direction that is kept away from the heat exchange plate 11 and are formed with connection lug 71, have seted up first connecting hole (not marking) on this connection lug 71, correspond first connecting hole on the side support 3 and be equipped with second connecting hole (not marking), and this second connecting hole is for being equipped with the turn-ups hole that the internal screw thread can strengthen the fastness to connect, and the screw corresponds in proper order and wears to establish first connecting hole and second connecting hole and realize the spiro union dismantled of cross bracing frame 7 and side support 3.
Further, referring to fig. 1 and 5, in two embodiments, the indoor heat exchanger 1 includes heat exchanger side plates located at two opposite edges of the indoor heat exchanger 1, the cross section of the side bracket 3 is L-shaped, and includes a first connecting plate 31 and a second connecting plate 32 connected to each other, the first connecting plate 31 is attached to the heat exchanger side plates, and the second connecting plate 32 is formed to protrude from an inner side edge of the first connecting plate 31 in a direction away from the indoor heat exchanger 1. a plurality of mounting holes (not labeled) are spaced apart from the first connecting plate 31, and screws are inserted through the mounting holes to detachably screw-connect the side bracket 3 to the heat exchanger side plates.
Referring to fig. 4 to 6, further, in another embodiment, the heating tube 2 is sleeved with continuous corrugated heat-conducting wires 24. The heat conducting wire 24 is usually provided on the straight tube portion of the heat exchanging tube 12, and the heat exchanging tube 12 adjacent to the power connecting wire 4 may preferably be free from the heat conducting wire 24 so as not to adversely affect the power connecting wire 4. However, the design is not limited thereto, and in other embodiments, the heat conducting wires 24 may be disposed in other shapes, for example, spirally covering the heating tube 2. It can be understood that the arrangement of the heat conducting wires 24 can effectively increase the heat dissipation area to improve the heating efficiency.
The invention also provides an air conditioner which comprises an air conditioner outdoor unit and a cabinet air conditioner which are connected with each other. The cabinet air conditioner comprises an electric heating pipe assembly, the specific structure of the electric heating pipe assembly refers to the above embodiments, and the air conditioner adopts all technical schemes of all the above embodiments, so that all beneficial effects brought by the technical schemes of the above embodiments are at least achieved, and the details are not repeated.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (15)
1. An electric heating pipe assembly for an indoor unit of an air conditioner, the electric heating pipe assembly comprising:
an indoor heat exchanger;
the heating pipe is fixedly arranged on the indoor heat exchanger;
the side bracket is fixedly arranged on the indoor heat exchanger and is arranged at intervals with the heating pipe; and
one end of the power supply connecting wire is connected with the heating pipe, and the other end of the power supply connecting wire is fixed on the side bracket and extends along the side bracket;
the heating pipe comprises two side brackets, wherein the two side brackets are arranged oppositely at intervals, and the heating pipe is positioned between the two side brackets;
the electric heating pipe assembly also comprises a power supply bracket and a power supply seat arranged on the power supply bracket, and two ends of the power supply bracket are respectively connected with one side bracket;
the other end of the power supply connecting wire comprises a first connecting wire section extending along the side support and a second connecting wire section connected with the power supply base.
2. The electric heating tube assembly of claim 1, wherein the side bracket is provided with a wire passing buckle, one end of the wire passing buckle is connected with the side bracket, and the other end of the wire passing buckle is clamped with the power supply connecting wire.
3. The electrical heating tube assembly of claim 2, wherein the number of wire passing buckles is at least two.
4. The electrical heating tube assembly of claim 2, wherein said power supply connection line is spaced from an adjacent said heating tube by a minimum distance of L, wherein,
wherein I is current, R is resistance, T is time, Pr is Prandd is pipe diameter of horizontal pipeline, α is heat convection coefficient, lambda is heat conductivity coefficient of air, g is gravity acceleration, upsilon is kinematic viscosity of air, β is volume expansion coefficient of fluid, delta T is excess temperature, c and n are both unit-free parameters, when the range of product of Gravax standard number and Prandd number is 104～109When c is 0.53 and n is 1/4, the range of the product of the Gravax number and the Prandlor number is 109～1012When c is 0.13, n is 1/3.
5. The electrical heating tube assembly of claim 4, wherein the second connecting line segment comprises a vertical subsection and a parallel subsection connected in series; the vertical sub-section extends from the end of the first connection section facing the power bracket vertically in a direction away from the indoor heat exchanger; the parallel subsections are parallel to the indoor heat exchanger at intervals, and one ends, far away from the vertical subsections, of the parallel subsections are bent towards the power supply seat and connected with the power supply seat.
6. The electrical heating tube assembly of claim 5, wherein a spacing between the power supply bracket, the vertical subsection, the parallel subsection, and an adjacent heating tube is greater than or equal to L.
7. The electric heating tube assembly of claim 1, further comprising a plurality of fixing tube fasteners, wherein the heating tube is fixed to the indoor heat exchanger through the fixing tube fasteners.
8. The electric-heating-tube assembly of claim 7, further comprising a cross support frame disposed between the two side supports, wherein two ends of the cross support frame are respectively fixed to the side supports of the corresponding sides; the heating pipe is lapped on the transverse supporting frame, and part of the fixed pipe buckles are detachably fixed on the transverse supporting frame.
9. The electric heating tube assembly of claim 1, wherein the indoor heat exchanger comprises heat exchanger side plates at opposite edges of the indoor heat exchanger, and the side brackets are L-shaped in cross section and comprise a first connecting plate and a second connecting plate connected with each other, the first connecting plate is connected with the heat exchanger side plates in an abutting manner, and the second connecting plate is formed to protrude from an inner side edge of the first connecting plate in a direction away from the indoor heat exchanger.
10. The electrical-heating tube assembly of claim 1, wherein the heating tube is sheathed with continuous corrugated heat-conducting wires.
11. A cabinet air conditioner, characterized by that, including casing, air supply subassembly, and according to the electric heating pipe subassembly of any one of claims 1 to 10, be equipped with the wind channel in the casing, electric heating pipe subassembly and air supply subassembly all locate in the wind channel.
12. The cabinet air conditioner of claim 11 wherein the heater duct of the electric heater duct assembly includes a plurality of heater sub-ducts, and adjacent heater sub-ducts are connected by a U-shaped connecting line, the electric heater duct assembly being located downstream of the air supply assembly in the air supply direction, and the U-shaped connecting line being located upstream of the heater sub-ducts in the air supply direction.
13. The cabinet air conditioner of claim 12, wherein the heater duct is disposed in parallel with the power connection line in a direction perpendicular to the air supply direction.
14. The cabinet air conditioner of claim 11, wherein the housing is spaced from the heater duct.
15. An air conditioner characterized in that it comprises an outdoor unit of an air conditioner and a cabinet air conditioner as claimed in any one of claims 11 to 14, which are connected to each other.
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| CN201810856164.2A CN108954521B (en) | 2018-07-30 | 2018-07-30 | Electric heating pipe assembly, cabinet air conditioner and air conditioner |
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| CN201810856164.2A CN108954521B (en) | 2018-07-30 | 2018-07-30 | Electric heating pipe assembly, cabinet air conditioner and air conditioner |
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| WO2020172944A1 (en) * | 2019-02-25 | 2020-09-03 | 广东美的制冷设备有限公司 | Heat exchange component for air conditioner indoor unit, and air conditioner indoor unit having same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101300921B1 (en) * | 2006-07-03 | 2013-08-27 | 엘지전자 주식회사 | Air conditioner |
| CN101586840A (en) * | 2008-05-23 | 2009-11-25 | 乐金电子(天津)电器有限公司 | Indoor machine of air conditioner |
| CN102830305B (en) * | 2012-08-14 | 2014-12-17 | 广东电网公司佛山供电局 | Overheating fault simulating method for GIS (gas insulated switchgear) bus joint |
| CN203968402U (en) * | 2014-04-11 | 2014-11-26 | 扬中威能电热设备有限公司 | The whole electric heater of a kind of PTC |
| CN205051892U (en) * | 2015-09-02 | 2016-02-24 | 芜湖恒美电热器具有限公司 | Be used for cabinet -type air conditioner air conditioner air electricity supplemental heating system |
-
2018
- 2018-07-30 CN CN201810856164.2A patent/CN108954521B/en active Active
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| Publication number | Publication date |
|---|---|
| CN108954521A (en) | 2018-12-07 |
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