CN212511966U

CN212511966U - Liquid storage device and compressor

Info

Publication number: CN212511966U
Application number: CN202022013326.1U
Authority: CN
Inventors: 张锴; 谢郦卿
Original assignee: Shanghai Highly Electrical Appliances Co Ltd
Current assignee: Shanghai Highly Electrical Appliances Co Ltd
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2021-02-09
Anticipated expiration: 2030-09-15

Abstract

The utility model provides a reservoir and compressor, include hollow barrel, locate the breathing pipe of the one end of barrel and locating the outlet duct of the other end of barrel, the breathing pipe with the outlet duct all with the barrel is linked together, the outside of barrel is equipped with and is used for rightly the barrel carries out the heating device that heats, the compressor includes as above the reservoir. The utility model provides a pair of reservoir and compressor when in compressor function in-process, can improve the reservoir degree of superheat of breathing in to reduce the compressor and inhale and take liquid, reduce the liquid attack risk, improve the efficiency and the operating efficiency of partial compressor. Meanwhile, the heating device can increase the counter weight of the liquid storage device, so that the vibration of the liquid storage device is reduced, and the noise is reduced.

Description

Liquid storage device and compressor

Technical Field

The utility model relates to a compressor technical field especially relates to a reservoir and compressor.

Background

The liquid storage device is installed at the evaporator and the suction pipe of the compressor, and is a protection component for preventing the liquid refrigerant from flowing into the compressor to generate liquid impact. In the operation process of the system, the refrigerant can not be completely vaporized, namely, the refrigerant coming out of the evaporator can have liquid refrigerant to enter the liquid accumulator, the liquid refrigerant without vaporization can directly fall on the bottom of the liquid accumulator cylinder because the refrigerant is heavier than gas, and the vaporized refrigerant enters the compressor from the gas outlet of the liquid accumulator, so that the liquid impact caused by the liquid refrigerant sucked by the compressor is prevented.

As shown in figure 1, the suction superheat degree is improved, so that liquid in the air sucked by the compressor can be reduced, the liquid impact risk is effectively avoided, the means for improving the suction superheat degree of the existing compressor is limited, the liquid storage device is only regulated by a system, and the liquid impact risk is still large. Meanwhile, the reservoir is relatively light, so that the reservoir is relatively easy to generate vibration and noise. Further, for some types of compressors, the compressor energy efficiency cannot be well developed because the suction superheat is low.

Therefore, the reservoir needs to be invented to improve the suction superheat degree of the reservoir, so that the liquid impact risk is effectively avoided, and the energy efficiency of part of the compressor is improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a reservoir and compressor to the risk of solving among the prior art liquid attack is still great, the unable full play efficiency of compressor and reservoir are lighter and lead to the problem that vibrations and noise produced.

In order to solve the technical problem, the utility model provides a liquid storage device, include hollow barrel, locate the breathing pipe of the one end of barrel and locating the outlet duct of the other end of barrel, the breathing pipe with the outlet duct all with the barrel is linked together, the outside of barrel is equipped with and is used for right the barrel carries out the heating device who heats.

Optionally, the heating device includes a gas storage bin disposed outside the cylinder, a cavity is formed between the gas storage bin and the cylinder, a gas inlet and a gas outlet communicated with the cavity are disposed on the gas storage bin, and the gas inlet is communicated with a heat source.

Optionally, the air inlet is used for connecting with an exhaust pipe of the compressor, and the heat source is high-temperature gas discharged by the compressor.

Optionally, a first valve is arranged on the air inlet, a second valve is arranged on the air outlet, the first valve and the second valve are connected with a linkage control switch, and the linkage control switch can be connected with a control end of the compressor.

Optionally, the heating device comprises an electric heating assembly arranged outside the cylinder.

Optionally, the electric heating assembly comprises a shell arranged outside the barrel, and an electric heating element is arranged in the shell.

Optionally, the electric heating element is a plurality of resistance wires, and the resistance wires surround the outside of the barrel.

Optionally, a filling material layer is arranged between the resistance wire and the barrel body or a temperature control material layer is wrapped on the resistance wire.

Optionally, the electric heating assembly is connected to a control switch, and the control switch can be connected to the control end of the compressor.

The utility model also provides a compressor, include as above the reservoir.

Compared with the prior art, the utility model provides a reservoir and compressor has following advantage:

(1) the utility model provides a liquid storage device, include hollow barrel, locate the breathing pipe of the one end of barrel and locating the outlet duct of the other end of barrel, the breathing pipe with the outlet duct all with the barrel is linked together, the outside of barrel is equipped with and is used for right the barrel carries out the heating device who heats. Therefore, the liquid storage device can be heated by the heating device, so that liquid in the cylinder is gasified in an accelerated manner, the suction superheat degree of the liquid storage device is effectively improved, the condition that the compressor sucks air and carries liquid is reduced, the liquid impact risk is reduced, and the energy efficiency and the operating efficiency of the compressor are improved. Meanwhile, the counterweight of the liquid accumulator can be increased by arranging the heating device, so that the vibration of the liquid accumulator is reduced, and the noise is reduced.

(2) The utility model discloses a reservoir barrel outside sets up the gas storage storehouse, makes the gas storage storehouse with form a cavity between the barrel, just be equipped with on the gas storage storehouse with air inlet and gas vent that the cavity is linked together, the air inlet is used for linking to each other with the blast pipe of compressor. Thereby, high temperature gas discharged from the compressor can enter the chamber through the gas inlet to heat the accumulator. Furthermore, the utility model discloses a regard compressor exhaust high-temperature gas as the heat source of heating reservoir, can be favorable to the cyclic utilization of resource, it is more energy-conserving.

(3) The utility model discloses a set up first valve on the air inlet set up the second valve on the gas vent, just first valve with the second valve all links to each other with a coordinated control switch, just coordinated control switch can link to each other with the control end of compressor. Thus, this arrangement may facilitate indirect control of the opening and closing of the first and second valves via the control end of the compressor.

(4) The utility model discloses a barrel outside sets up electric heating element, electric heating element is including locating the outside casing of barrel, be equipped with electric heating element in the casing. From this, through its inside electric heating member can be protected to the casing does not erode, thereby improves the utility model provides a life of reservoir.

(5) The utility model discloses a incite somebody to action electric heating member is established to a plurality of circles of resistance wire, a plurality of circles of resistance wire center on the outside of barrel. Therefore, the arrangement can be beneficial to the uniform heating of the barrel, and the heating degree can be controlled by the material, thickness and number of turns of the selected resistance wire.

(6) The utility model discloses a resistance wire with be equipped with a filling material layer between the barrel or wrap up a accuse temperature material layer on the resistance wire. Therefore, the heating temperature can be effectively controlled through the filling material layer and the temperature control material layer, and the phenomenon that the temperature in the shell is too high to enable the cylinder and the shell to age in an accelerated mode is avoided.

(7) Because the electric heating component is connected with a control switch, and the control switch can be connected with the control end of the compressor, the on-off of the electric heating component can be conveniently controlled by the control end of the compressor.

(8) Because the utility model provides a compressor includes the above the reservoir, can effectively reduce the condition that the compressor takes liquid of breathing in from this, reduced the liquid and hit the risk, improved the efficiency and the operating efficiency of compressor, also can reduce the noise of compressor simultaneously.

Drawings

FIG. 1 is a schematic diagram of a reservoir of the prior art;

fig. 2 is a cross-sectional view of a reservoir according to an embodiment of the present invention;

fig. 3 is a cross-sectional view of a liquid storage device according to a second embodiment of the present invention;

wherein the reference numbers are as follows:

10-cylinder body, 20-air suction pipe, 30-air outlet pipe, 40-filtering component, 100-heating device, 210-air storage bin, 211-chamber, 220-air inlet, 221-first valve, 230-air outlet, 231-second valve, 240-linkage control switch, 310-shell, 320-resistance wire and 330-control switch.

Detailed Description

To make the objects, advantages and features of the present invention clearer, the liquid storage device of the compressor of the present invention will be described in further detail with reference to fig. 2 and 3. It should be noted that the drawings are simplified and have non-precise ratios, and are only used for convenience and clarity to assist in explaining the embodiments of the present invention, and are not used for limiting the conditions of the present invention, so that they have no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope of the present invention without affecting the function and the achievable purpose of the present invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the use of the phrase "comprising a. -. said" to define an element does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses a core thought lies in providing a reservoir and compressor for in compressor operation in-process, can improve the reservoir and breathe in the superheat degree, reduce the compressor and take liquid of breathing in, thereby reduce the liquid and hit the risk, improve the efficiency and the operating efficiency of partial compressor, increase the reservoir counter weight simultaneously, thereby reduced the vibration of reservoir, reduced the noise.

In order to realize the above idea, an embodiment of the utility model provides a reservoir, include hollow barrel, locate the breathing pipe of the one end of barrel and locating the outlet duct of the other end of barrel, the breathing pipe with the outlet duct all with the barrel is linked together, the outside of barrel is equipped with and is used for right the barrel carries out the heating device who heats.

Referring to fig. 2 and fig. 3, fig. 2 schematically shows a cross-sectional view of a reservoir according to a first embodiment of the present invention, and fig. 3 schematically shows a cross-sectional view of a reservoir according to a second embodiment of the present invention.

Example one

As shown in fig. 2, the liquid storage device provided in this embodiment includes a hollow cylinder 10, an air suction pipe 20 disposed at one end of the cylinder 10, and an air outlet pipe 30 disposed at the other end of the cylinder 10, wherein the air suction pipe 20 and the air outlet pipe 30 are both communicated with the cylinder 10, and a heating device 100 for heating the cylinder 10 is disposed outside the cylinder 10. Therefore, the heating device 100 can effectively improve the suction superheat degree of the liquid accumulator, reduce the condition that the compressor sucks air and carries liquid, reduce the liquid impact risk, improve the energy efficiency and the operating efficiency of partial compressors, and meanwhile, the heating device 100 can increase the counter weight of the liquid accumulator, reduce the vibration of the liquid accumulator and reduce the noise. It should be noted that the specific installation position and size of the heating device 100 can be determined according to the actual use condition, and the present invention is not limited thereto.

In this embodiment, the heating device 100 includes an air storage bin 210 disposed outside the cylinder 10, a cavity 211 is formed between the air storage bin 210 and the cylinder 10, the air storage bin 210 is provided with an air inlet 220 and an air outlet 230 communicated with the cavity 211, and the air inlet 220 is communicated with a heat source. Because the air inlet 220 can be communicated with a heat source, hot gas in the heat source can flow into the cavity 211, so that the cylinder 10 can be uniformly heated, and the refrigerant in the cylinder 10 is gasified and then enters the compressor again through the air outlet pipe 30, thereby effectively improving the suction superheat degree of the liquid accumulator, reducing the liquid impact risk, and improving the energy efficiency and the operating efficiency of the compressor. In addition, the gas storage bin 210 can also increase the weight of the liquid storage device, thereby reducing the vibration of the liquid storage device and reducing the noise of the compressor.

It should be noted that the gas storage bin 210 includes, but is not limited to, being sleeved on the outside of the cylinder 10, and may also be integrally formed with the cylinder 10, and any installation manner of the gas storage bin 210 on the outside of the cylinder 10 is within the protection scope of the present invention. In addition, the chamber 211 may be used for circulating hot gas, hot water, and other heat sources, and the form of the heat source is not limited in the present invention.

Preferably, the gas inlet 220 is used for connecting with a gas exhaust pipe of a compressor, and the heat source is high-temperature gas exhausted by the compressor. Therefore, the arrangement can effectively utilize the high-temperature gas discharged by the compressor, and the resources are recycled. It should be noted that, the heat source includes but is not limited to the high temperature gas that the compressor discharges, and any heat source that can produce hot gas and reach the same effect of the present invention is within the protection scope of the present invention. In addition, the communication mode between the air inlet 220 and the heat source is not limited by the present invention.

Preferably, a first valve 221 is disposed on the air inlet 220, a second valve 231 is disposed on the air outlet 230, the first valve 221 and the second valve 231 are both connected to a coordinated control switch 240, and the coordinated control switch 240 can be connected to a control end of the compressor. The first valve 221 and the second valve 231 are arranged to effectively control the gas in and out of the chamber 211, and since the heating device 100 is often used only in some specific situations, the first valve 221 and the second valve 231 are often in a closed state. Often, in use, in order to prevent the gas in the chamber 211 from entering only one way, the first valve 221 and the second valve 231 need to be opened simultaneously, so as to prevent the risk of explosion of the gas storage bin 210 caused by excessive pressure in the chamber 211. The utility model discloses a will first valve 221 with second valve 231 all links to each other with a coordinated control switch 240, from this, can ensure that first valve 221 and second valve 231 can open simultaneously or closed simultaneously, thereby can avoid gaseous only can not advance in the cavity 211, effectively prevent the too big risk that leads to gas storage bin 210 to burst of pressure in the cavity 211. In addition, since the linkage control switch 240 can be connected to the control end of the compressor, the linkage control switch 240 can be controlled by the control end of the compressor, thereby indirectly controlling the opening and closing of the valve. The control end integrates switches, so that the whole system is integrated, and the system is convenient to operate and control. It should be noted that the technical solutions of the first valve 221 and the second valve 231 not controlled by the ganged control switch 240 simultaneously or controlled by a single switch are also within the protection scope of the present invention.

Preferably, a filtering assembly 40 is disposed in the cylinder 10, and the filtering assembly 40 is disposed between the air suction pipe 20 and the air outlet pipe 30. From this, through setting up filtering component 40 can play the effect of filtering impurity to can avoid the interior impurity of reservoir (like iron fillings, copper fillings) directly to get into the compressor effectively, and then guarantee the normal operating of compressor.

Example two

As shown in fig. 3, the present embodiment is different from the first embodiment in that the heating device 100 is an electric heating assembly disposed outside the cylinder 10. The electric heating component can also enable the cylinder 10 to be uniformly heated, the suction superheat degree of the liquid storage device is effectively improved, the refrigerant in the cylinder 10 is gasified and re-enters the compressor through the air outlet pipe 30, the liquid impact risk is reduced, and the energy efficiency and the operation efficiency of part of the compressor are improved. Meanwhile, the electric heating assembly is additionally provided with a liquid storage device counterweight, so that the vibration of the liquid storage device is reduced, and the noise is reduced.

In the embodiment of the present invention, the electric heating assembly includes a casing 310 disposed outside the cylinder 10, and an electric heating element is disposed in the casing 310. Therefore, by arranging the shell 310, the electric heating element in the shell 310 can be protected, and the electric heating element can be prevented from being corroded. When the electric heating element is energized, the generated heat can heat the cylinder 10 of the reservoir. It should be noted that, the housing 310 includes but is not limited to be sleeved outside the cylinder 10, and may also be integrally formed with the cylinder 10, and any installation manner of the housing 310 outside the cylinder 10 is within the protection scope of the present invention.

Preferably, the electric heating element is a plurality of resistance wires 320, and the resistance wires 320 surround the outside of the barrel 10. Therefore, the resistance wire 320 is used as an electric heating element, so that the barrel 10 can be uniformly heated, and the heating degree can be controlled by the material, thickness and number of turns of the resistance wire 320.

Preferably, the plurality of circles of resistance wires 320 are uniformly arranged at equal intervals, so that the barrel 10 can be uniformly heated, and the suction superheat degree is improved to the maximum extent.

It should be noted that the electric heating element includes, but is not limited to, the resistance wire 320, and the resistance wire 320 may be replaced by other electric heating devices, and the present invention is not limited to the kind of the electric heating element. The housing 310 included in the electric heating assembly is used to protect the resistance wire 320 from corrosion, and other electric heating assemblies not including the housing 310 are also within the scope of the present invention. In addition, the resistance wire 320 includes but is not limited to surrounding the outside of the barrel 10, and may also be simply filled between the housing 310 and the barrel 10, and the arrangement manner of the resistance wire 320 outside the barrel 10 is not limited in this disclosure.

Further, a filling material layer is arranged between the resistance wire 320 and the barrel 10 or a temperature control material layer is wrapped on the resistance wire 320. Therefore, the temperature of the heating cylinder body 10 can be effectively controlled by arranging the filling material layer or the temperature control material layer, and the accelerated aging of the cylinder body 10 or the shell 310 caused by overhigh temperature heating of the cylinder body 10 is avoided.

Preferably, the electric heating assembly is connected to a control switch 330, and the control switch 330 can be connected to the control end of the compressor. Thereby, the power on and off of the electric heating assembly can be indirectly controlled through the control end of the compressor. The control end integrates switches, so that the whole system is integrated, and the system is convenient to operate and control. It should be noted that the electric heating assembly includes, but is not limited to, a control switch 330 connected to a control end of the compressor, and may also be connected to an external switch, and any switch capable of playing a role of turning on or off the electric heating assembly is within the scope of the present invention.

In order to realize the idea, the utility model also provides a compressor, include as above the reservoir. Because the utility model provides a compressor includes the above the reservoir, can effectively reduce the condition that the compressor takes liquid of breathing in from this, reduced the liquid and hit the risk, improved the efficiency and the operating efficiency of compressor, also can reduce the noise of compressor simultaneously.

To sum up, compare with prior art, the utility model provides a reservoir and compressor have following advantage:

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The liquid storage device is characterized by comprising a hollow barrel, a gas suction pipe arranged at one end of the barrel and a gas outlet pipe arranged at the other end of the barrel, wherein the gas suction pipe and the gas outlet pipe are communicated with the barrel, and a heating device used for heating the barrel is arranged outside the barrel.

2. The reservoir of claim 1, wherein the heating device comprises a gas storage chamber disposed outside the barrel, a chamber is formed between the gas storage chamber and the barrel, and the gas storage chamber is provided with a gas inlet and a gas outlet communicated with the chamber, and the gas inlet is used for communicating with a heat source.

3. The accumulator according to claim 2, characterized in that said inlet is intended to be connected to the exhaust of a compressor, said heat source being the hot gas discharged by the compressor.

4. The accumulator of claim 2, characterized in that the inlet port is provided with a first valve and the outlet port is provided with a second valve, both the first valve and the second valve being connected to a coordinated control switch, the coordinated control switch being connectable to the control terminal of the compressor.

5. The reservoir of claim 1, wherein the heating device comprises an electrical heating assembly disposed outside the cartridge.

6. The reservoir of claim 5, wherein the electrical heating assembly includes a housing disposed outside the cartridge body, the housing having an electrical heating element disposed therein.

7. The reservoir of claim 6, wherein the electrical heating element is a plurality of turns of resistance wire wound around the exterior of the barrel.

8. The reservoir of claim 7, wherein a layer of filler material is disposed between the resistance wire and the barrel or a layer of temperature control material is wrapped around the resistance wire.

9. The accumulator according to claim 6, characterized in that the electric heating assembly is connected to a control switch which can be connected to the control terminal of the compressor.

10. A compressor, characterized by comprising an accumulator according to any one of claims 1 to 9.