CN110805977B

CN110805977B - Central air conditioning energy-saving equipment

Info

Publication number: CN110805977B
Application number: CN201911118155.4A
Authority: CN
Inventors: 周江楷; 何俊兴; 陆涛; 文世兵
Original assignee: Taojiang County People's Hospital
Current assignee: Taojiang County People's Hospital
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2021-02-19
Anticipated expiration: 2039-11-15
Also published as: CN110805977A

Abstract

The invention discloses energy-saving equipment for a central air conditioner, which comprises a compressor, a sleeve, a circulating pipe and a heating element, wherein the compressor is provided with an exhaust pipe, the sleeve is fixedly sleeved on the circulating pipe, two axial ends of the circulating pipe extend out of the sleeve, the upper end surface of the wall of the sleeve is downwards provided with a vertical slot, the heating element is inserted in the slot, the heating element is provided with a first fastener, the first fastener is used for fixedly connecting the heating element and the sleeve into a whole, the circulating pipe is communicated with the exhaust pipe, the circulating pipe is provided with a second fastener, the second fastener is used for fixedly connecting the circulating pipe and the exhaust pipe into a whole, a first partition plate and a second partition plate are fixedly connected inside the circulating pipe, the first partition plate and the circulating pipe are provided with a first gap, the second partition plate and the circulating pipe are provided with a second gap, and the first partition plates and. The device can heat the refrigerant, can make the air conditioner produce hot air more quickly, and can make the compressor start more quickly.

Description

Central air conditioning energy-saving equipment

Technical Field

The invention relates to the technical field of air conditioners, in particular to energy-saving equipment of a central air conditioner.

Background

Air conditioners (Air conditioners) are Air conditioners. The device is used for manually regulating and controlling parameters such as temperature, humidity, flow rate and the like of ambient air in a building or a structure. The system generally comprises a cold source/heat source device, a cold and hot medium transmission and distribution system, a tail end device and other auxiliary devices, and mainly comprises a refrigeration host machine, a water pump, a fan and a pipeline system. The end device is responsible for specifically processing the air state by utilizing the cold and heat quantity from the transmission and distribution so as to enable the air parameters of the target environment to meet the requirements.

In the conventional air conditioning system, in a heating mode, a refrigerant absorbs heat from outdoor air through an outdoor heat exchanger, and then the pressure and the temperature of the refrigerant are increased through a compressor, so that heat on the outdoor side is transferred to the indoor side to achieve a heating effect. However, the lower the outdoor temperature in winter, the less the amount of heat that can be transported from outdoor to indoor, the poorer the heating effect of the indoor air conditioner, and when the unit is started to heat at low temperature, the compressor needs to perform a long-time preheating mode to increase the temperature of the refrigerant discharged from the compressor, so the compressor is slow to start, the heating effect is not ideal, and there are improvements.

For example, patent application No. CN201520678667.7, 2016, 01, 06 discloses a refrigerant heating device and an air conditioner comprising the same, wherein the refrigerant heating device comprises an end cover, a shell, a heating pipe, and a temperature sensing pipe; the two end covers are respectively arranged at the two ends of the shell, and the shell and the two end covers form a refrigerant heating cavity; the upper end of the shell is provided with a refrigerant inlet pipe for introducing refrigerant into the refrigerant heating cavity, and the lower end of the shell is provided with a refrigerant outlet pipe for discharging the refrigerant in the refrigerant heating cavity; the heating pipe penetrates through the whole refrigerant heating cavity, two ends of the heating pipe respectively extend out of the two end covers, and an electric heating device is arranged in the heating pipe; the temperature sensing pipe is arranged in the refrigerant heating cavity, and at least one end of the temperature sensing pipe penetrates through one end cover; the temperature sensing pipe is a straight pipe, and one side of the temperature sensing pipe close to the heating pipe is connected with the outer wall of the heating pipe in an abutting mode. The technical scheme is complex, and further improvement exists.

Disclosure of Invention

The invention provides a central air-conditioning energy-saving device aiming at the problems, which is beneficial to realizing the quick start of a compressor of an air conditioner in a heating mode.

In order to achieve the purpose, the invention adopts the technical scheme that: the energy-saving equipment of the central air conditioner is characterized by comprising a compressor and a refrigerant heater; the top end of the compressor is fixedly connected with a vertical exhaust pipe; the refrigerant heater comprises a sleeve, a circulating pipe and a heating element; the circulating pipe is vertically arranged, the sleeve is provided with a through hole, the sleeve is fixedly sleeved on the circulating pipe through the through hole, and two axial ends of the circulating pipe extend out of the sleeve; the heating element is provided with a first fastener, and the first fastener is used for fixedly connecting the heating element and the sleeve into a whole; the circulating pipe is positioned above the exhaust pipe and communicated with the exhaust pipe, and a second fastening piece is arranged on the circulating pipe and used for fixedly connecting the circulating pipe and the exhaust pipe into a whole; a plurality of first partition plates and second partition plates are fixedly connected inside the circulating pipe; the side wall of the first clapboard is provided with a first clearance with the inner wall of the circulating pipe, the side wall of the second clapboard is provided with a second clearance with the inner wall of the circulating pipe, and the first clapboards and the second clapboards are alternately distributed at intervals along the axial direction of the circulating pipe.

As a further improvement of the above technical solution: a first baffle ring is arranged at the lower end part of the circulating pipe and extends outwards along the radial direction of the circulating pipe; the second fastener is a nut, the nut is sleeved on the runner pipe in a sliding mode, a second retaining ring is arranged at the upper end of the nut, and the second retaining ring extends inwards along the radial direction of the runner pipe; the exhaust pipe is a threaded pipe, and the nut is in threaded connection with the exhaust pipe so that the first retaining ring is abutted to the second retaining ring and the circulation pipe is abutted to the exhaust pipe.

As a further improvement of the above technical solution: the lower extreme of first fender ring upwards opens there is annular seal groove, install the sealing washer in the seal groove, work as the runner pipe with during the blast pipe butt, the sealing washer with the blast pipe butt.

As a further improvement of the above technical solution: the heating member includes heating plate and mounting panel, the upper end of heating plate with mounting panel fixed connection, the mounting panel is followed telescopic radial outside extends.

As a further improvement of the above technical solution: the mounting plate is provided with a first mounting hole, the upper surface of the wall of the sleeve is provided with a second mounting hole downwards, the first mounting hole is a through hole, the second mounting hole is a threaded hole, the first fastener is a screw, and the screw penetrates through the first mounting hole and is in threaded connection with the second mounting hole.

As a further improvement of the above technical solution: the upper end face of the cylindrical wall of the sleeve is downwards provided with a plurality of slots, the slots are arranged around the axis of the sleeve at intervals in the circumferential direction, and the heating elements are in one-to-one correspondence with the slots.

As a further improvement of the above technical solution: the heating plate is wound with a heating wire, and the mounting plate is provided with a joint electrically connected with the heating wire.

As a further improvement of the above technical solution: the lower surface of the mounting plate is provided with a vertical positioning pin, the upper surface of the wall of the sleeve is provided with a positioning hole downwards, and the positioning pin is inserted in the positioning hole.

As a further improvement of the above technical solution: and a hollow heat insulation cavity is arranged in a part between the outer peripheral wall of the sleeve and the inner peripheral wall of the slot.

Compared with the prior art, the invention has the advantages that:

(1) the refrigerant heater is arranged on the exhaust pipe of the compressor, when the air conditioner is in a heating mode, the refrigerant flowing through the flow pipe can be heated, and after the temperature of the refrigerant rises, on one hand, the indoor unit of the air conditioner can quickly discharge hot air, the heating effect is improved, on the other hand, the solubility of lubricating oil of the compressor in the refrigerant can be reduced, the phenomenon of oil shortage of the compressor is avoided, and therefore the compressor can be started more quickly;

(2) the heating element and the sleeve are detachably mounted, so that in later use, if the heating element fails, the whole refrigerant heater does not need to be detached, and only the heating element needs to be detached, so that the maintenance is convenient;

(3) the first partition plates and the second partition plates which are alternately arranged are arranged in the circulation pipes, so that the time of the refrigerant passing through the circulation pipes can be prolonged, the time of the refrigerant being heated can be further prolonged, and the refrigerant can obtain a better heating effect.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a cross-sectional view of the junction of the flow-through tube and the exhaust tube of the present invention;

FIG. 4 is a first exploded view of the refrigerant heater of the present invention;

FIG. 5 is a cross-sectional view of the refrigerant heater of the present invention;

fig. 6 is a second exploded view of the refrigerant heater of the present invention.

In the figure: a compressor 1; an air inlet pipe 2; an exhaust pipe 3; a refrigerant heater 4; a sleeve 5; a flow pipe 6; a slot 7; a first fastener 8; a second fastening member 9; a first separator 10; a second partition plate 11; a first retainer ring 12; a second retainer ring 13; a seal groove 14; a heating plate 15; a mounting plate 16; the first mounting hole 17; a second mounting hole 18; a joint 19; a positioning hole 20; positioning pins 21; an insulating chamber 22.

Detailed Description

The following detailed description of the present invention is given for the purpose of better understanding technical solutions of the present invention by those skilled in the art, and the present description is only exemplary and explanatory and should not be construed as limiting the scope of the present invention in any way.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, specific embodiments thereof are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", "vertical", "circumferential", "axial", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are 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 one or more of that feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Example 1

As shown in fig. 1 and 2, an energy saving device for a central air conditioner includes a compressor 1 and a refrigerant heater 4.

As shown in fig. 1 and 2, a mounting seat is arranged on the compressor, the compressor 1 is installed on an outdoor unit of an air conditioner through the mounting seat, an air inlet pipe 2 and an air outlet pipe 3 which are communicated with an internal chamber are arranged on the compressor 1, wherein the air outlet pipe 3 is vertically and fixedly installed at the top end of the compressor 1, and a refrigerant heater 4 is installed on the air outlet pipe 3, so that a high-temperature and high-pressure refrigerant compressed by the compressor 1 can flow to the refrigerant heater 4 through the air outlet pipe 3 to be heated.

As shown in fig. 3 and 4, the refrigerant heater 4 includes a sleeve 5, a circulation pipe 6 and a heating element, when the refrigerant heater 4 is installed in the exhaust pipe 3, the circulation pipe 6 is vertically disposed, the circulation pipe 6 is located above the exhaust pipe 3 and is communicated with the exhaust pipe 3, the circulation pipe 6 and the exhaust pipe 3 are coaxially disposed, a second fastening member 9 is disposed on the circulation pipe 6, and the second fastening member 9 is used for fixedly connecting the circulation pipe 6 and the exhaust pipe 3 into a whole to prevent the refrigerant from leaking.

As shown in fig. 5, the sleeve 5 is provided with a vertical through hole penetrating through the sleeve 5, so that the sleeve 5 can be fixedly sleeved on the circulating pipe 6 through the through hole, and the length of the sleeve 5 is smaller than that of the circulating pipe 6, so that the two axial ends of the circulating pipe 6 can extend out of the sleeve 5, and the sleeve 5 can be conveniently installed with other components of the air conditioner.

As shown in fig. 4 and 5, the up end of the section of thick bamboo wall of sleeve 5 is opened downwards and is had vertical slot 7, and the heating member is pegged graft downwards in slot 7, is equipped with first fastener 8 on the heating member, and first fastener 8 is used for integrating heating member and sleeve 5 fixed connection, and the heating member is demountable installation with sleeve 5 promptly to in the use in later stage, if the heating member breaks down, then need not dismantle whole refrigerant heater 4, only need pull down the heating member can, convenient maintenance from this.

As shown in fig. 5, a plurality of first partition plates 10 and second partition plates 11 are fixedly connected inside the circulation pipe 6, a left side wall of the first partition plate 10 is fixedly connected to an inner wall of the circulation pipe 6, a right side wall of the first partition plate 10 has a first gap with the inner wall of the circulation pipe 6, a right side wall of the second partition plate 11 is fixedly connected to the inner wall of the circulation pipe 6, and a left side wall of the second partition plate 11 has a second gap, and the first partition plates 10 and the second partition plates 11 are alternately distributed at intervals along an axial direction (i.e., an up-down direction in the drawing) of the circulation pipe 6, so that when a refrigerant flows through the circulation pipe 6, due to the arrangement of the first partition plates 10 and the second partition plates 11, a time for the refrigerant to pass through the circulation pipe 6 can be prolonged, and a time for the refrigerant to be heated can be prolonged, thereby enabling the refrigerant to.

This device is when using, peg graft in slot 7 with the heating member earlier, then with first fastener 8 with heating member and sleeve 5 fixed connection one-tenth in order to accomplish the equipment of refrigerant heater 4, the back of finishing the equipment, align runner pipe 6 with compressor 1's blast pipe 3, it is integrative with runner pipe 6 and blast pipe 3 fixed connection again to utilize second fastener 9, when the air conditioner is in the mode of heating, the heating member work, thereby can heat the refrigerant that flows through runner pipe 6, after the temperature of refrigerant risees, can make the indoor set of air conditioner more fast play hot-blast on the one hand, improve the effect of heating, on the other hand can reduce the solubility of compressor 1's lubricating oil in the refrigerant, avoid compressor 1 to appear the phenomenon of lack of oil, thereby can make compressor 1 start more fast.

In this embodiment, as shown in fig. 3 and 5, a first blocking ring 12 is disposed on a lower end portion of the circulation pipe 6, the first blocking ring 12 extends outward in a radial direction of the circulation pipe 6, the second fastening member 9 is a nut, the nut is slidably sleeved on the circulation pipe 6, the nut is located below the sleeve 5, a second blocking ring 13 is disposed on an upper end portion of the nut, the second blocking ring 13 extends inward in the radial direction of the circulation pipe 6, and the exhaust pipe 3 is a threaded pipe.

During the specific assembly, with nut and 3 threaded connection of blast pipe then constantly screw up the nut, keep off ring 13 butt until first fender ring 12 and second,

runner pipe

6 and 3 butts of blast pipe to can avoid the refrigerant to appear leaking, first fender ring 12 and second keep off setting up of ring 13 and can prevent that the nut from droing from runner pipe 6. In addition, the upper end of the flow pipe 6 is also provided with a first stop ring 12 and a nut, which are not described in detail herein.

In this embodiment, as shown in fig. 4, the heating member includes a heating plate 15 and a mounting plate 16, the upper end of the heating plate 15 is fixedly connected to the mounting plate 16, and the mounting plate 16 extends outward in the radial direction of the sleeve 5, so that the heating member is formed in a substantially L-shape, thereby facilitating the mounting plate 16 to be pulled to slide the heating member.

During specific installation, as shown in fig. 4, a first installation hole 17 is formed in the installation plate 16, a second installation hole 18 is formed in the upper surface of the cylinder wall of the sleeve 5 downward, the first installation hole 17 is a through hole, the second installation hole 18 is a threaded hole, the first fastening piece 8 is a screw, and the screw penetrates through the first installation hole 17 and is in threaded connection with the second installation hole 18, so that the mounting and dismounting are convenient, and the connection is reliable.

In this embodiment, in order to realize even heating, can set up a plurality of heating members, as shown in fig. 4, the up end face of the section of thick bamboo wall of a section of thick bamboo has 2 slots 7 of opening downwards, and 2 slots 7 are arranged around the axis circumference interval of

sleeve

5, 2 heating members and 2 slots 7 one-to-one.

In this embodiment, the heating element is heated by a heating wire, specifically, the heating wire is wound around the heating plate 15, the mounting plate 16 is provided with a joint 19 electrically connected to the heating wire, and the joint 19 is connected to an external power supply, so that the heating wire can generate heat.

Example 2

Example 2 is a further improvement on example 1.

As shown in fig. 3, in this embodiment, an annular sealing groove 14 is formed upward at the lower end of the first stopper ring 12, and an elastic rubber sealing ring is installed in the sealing groove 14, so that when the circulation pipe 6 abuts against the exhaust pipe 3, the sealing ring is pressed and deformed to abut against the exhaust pipe 3, thereby further improving the sealing effect and preventing the refrigerant from leaking.

As shown in fig. 4, the lower surface of the mounting plate 16 is provided with a vertical positioning pin 21, the upper surface of the wall of the sleeve 5 is provided with a positioning hole 20 downward, the positioning pin 21 is inserted into the positioning hole 20, the first mounting hole 17 and the second mounting hole 18 are aligned at the moment, and the screw is directly inserted and mounted, so that the mounting is simple and convenient

As shown in fig. 5, a hollow heat insulation chamber 22 is provided in a portion between the outer peripheral wall of the sleeve 5 and the inner peripheral wall of the slot 7, and the heat insulation chamber 22 can reduce heat loss and improve the heating effect of the refrigerant heater 4.

The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.

Claims

1. The energy-saving equipment of the central air conditioner is characterized by comprising a compressor and a refrigerant heater; the top end of the compressor is fixedly connected with a vertical exhaust pipe; the refrigerant heater comprises a sleeve, a circulating pipe and a heating element; the circulating pipe is vertically arranged, the sleeve is provided with a through hole, the sleeve is fixedly sleeved on the circulating pipe through the through hole, and two axial ends of the circulating pipe extend out of the sleeve; the heating element is provided with a first fastener, and the first fastener is used for fixedly connecting the heating element and the sleeve into a whole; the circulating pipe is positioned above the exhaust pipe and communicated with the exhaust pipe, and a second fastening piece is arranged on the circulating pipe and used for fixedly connecting the circulating pipe and the exhaust pipe into a whole; a plurality of first partition plates and second partition plates are fixedly connected inside the circulating pipe; the side wall of the first clapboard is provided with a first clearance with the inner wall of the circulating pipe, the side wall of the second clapboard is provided with a second clearance with the inner wall of the circulating pipe, and the first clapboards and the second clapboards are alternately distributed at intervals along the axial direction of the circulating pipe.

2. The central air-conditioning energy-saving device of claim 1, wherein a first baffle ring is arranged on the lower end part of the circulating pipe, and the first baffle ring extends outwards along the radial direction of the circulating pipe; the second fastener is a nut, the nut is sleeved on the runner pipe in a sliding mode, a second retaining ring is arranged at the upper end of the nut, and the second retaining ring extends inwards along the radial direction of the runner pipe; the exhaust pipe is a threaded pipe, and the nut is in threaded connection with the exhaust pipe so that the first retaining ring is abutted to the second retaining ring and the circulation pipe is abutted to the exhaust pipe.

3. The central air-conditioning energy-saving device of claim 2, wherein the lower end surface of the first baffle ring is provided with an annular sealing groove upwards, a sealing ring is arranged in the sealing groove, and when the circulation pipe abuts against the exhaust pipe, the sealing ring abuts against the exhaust pipe.

4. The central air conditioning energy saving device of claim 1, wherein the heating element comprises a heating plate and a mounting plate, an upper end of the heating plate is fixedly connected with the mounting plate, and the mounting plate extends outward in a radial direction of the sleeve.

5. The central air-conditioning energy-saving device of claim 4, wherein the mounting plate is provided with a first mounting hole, the upper surface of the cylinder wall of the sleeve is provided with a second mounting hole downward, the first mounting hole is a through hole, the second mounting hole is a threaded hole, the first fastening member is a screw, and the screw penetrates through the first mounting hole and is in threaded connection with the second mounting hole.

6. The central air-conditioning energy-saving device of claim 1, wherein the upper end surface of the cylinder wall of the sleeve is provided with a plurality of slots downward, the slots are circumferentially arranged around the axis of the sleeve at intervals, and the heating elements are in one-to-one correspondence with the slots.

7. The central air-conditioning energy-saving device of claim 4, wherein the heating plate is wound with heating wires, and the mounting plate is provided with connectors electrically connected with the heating wires.

8. The central air-conditioning energy-saving device of claim 4, wherein the lower surface of the mounting plate is provided with a vertical positioning pin, the upper surface of the cylinder wall of the sleeve is provided with a positioning hole downwards, and the positioning pin is inserted into the positioning hole.

9. The central air-conditioning energy saving device according to claim 1, characterized in that a hollow heat insulation cavity is provided in a portion between the outer peripheral wall of the sleeve and the inner peripheral wall of the insertion groove.