A reservoir modality conditioning device

Abstract

The application discloses a liquid accumulator mode adjusting device, which comprises a connecting channel of adjacent cavities, a liquid blocking protrusion arranged on the edge of the connecting channel for preventing liquid from entering the connecting channel, and a space of the connecting channel for exhaust; an exhaust pipe penetrates a partition plate, the liquid accumulator mode adjusting device is in the form of the partition plate, the connecting channel is formed through a hole, and the liquid blocking protrusion can be in the form of a semicircular extension pipe or a whole circular extension pipe according to the situation.

Description

TECHNICAL FIELD

[0001] The utility model belongs to compressor technical field, concretely relates to a liquid accumulator modal adjusting device. BACKGROUND

[0002] The liquid strike phenomenon of the compressor refers to that in the refrigeration system, the liquid refrigerant or lubricating oil is sucked by the compressor, so that the compressor is suddenly impacted by the liquid;

[0003] The liquid accumulator in the compressor is an important component, which bears the functions of storing the refrigerant, preventing the liquid strike and separating the gas and liquid;

[0004] Under certain working conditions, a large amount of liquid refrigerant enters the liquid accumulator of the compressor. In order to change the cavity mode of the liquid accumulator, a partition plate exists in the middle of the liquid accumulator, and a through hole is formed in the partition plate to connect the upper cavity and the lower cavity. The liquid refrigerant enters the lower cavity from the upper cavity through the through hole of the partition plate, so that the liquid refrigerant is prevented from being accumulated too much in the upper cavity and entering the cylinder to cause the liquid strike.

[0005] The existing through hole state can cover the entire through hole when the liquid refrigerant flows into the lower cavity, so that the gaseous refrigerant and the liquid refrigerant in the lower cavity collide, a resistance is generated for the flowing liquid refrigerant, the flow rate of the refrigerant is reduced, the liquid refrigerant in the upper cavity is accumulated, and finally the liquid strike in the cylinder is caused. UTILITY MODEL CONTENTS

[0006] The utility model discloses a kind of liquid accumulator modal adjusting devices, including the connecting channel of adjacent cavity, liquid resistance protrusion is provided on the edge of connecting channel, for preventing liquid from entering connecting channel, obtain the space of connecting channel for exhaust.

[0007] The technical scheme provided in the application also has the following technical features:

[0008] Preferably, in an embodiment of the present application, the height of the liquid resistance protrusion is less than the height of the inner tube.

[0009] Preferably, in an embodiment of the present application, the height of the liquid resistance protrusion is greater than 0 mm.

[0010] Preferably, in an embodiment of the present application, the height of the liquid resistance protrusion is greater than or equal to 1 mm.

[0011] Preferably, in an embodiment of the present application, the height of the liquid resistance protrusion is greater than or equal to the wall thickness of the connecting channel or the wall thickness of the partition plate of the adjacent cavity.

[0012] Preferably, in an embodiment of the present application, when the connecting channel is one, the liquid resistance protrusion covers part of the edge of the connecting channel.

[0013] Preferably, in an embodiment of the present application, the cross-sectional shape of the liquid blocking protrusion is an open shape.

[0014] Preferably, in an embodiment of the present application, the cross-section of the liquid blocking protrusion is a semi-circular ring or a semi-elliptical ring.

[0015] Preferably, in an embodiment of the present application, when there are two or more connection channels, the liquid blocking protrusion of at least one connection channel completely covers part of the edge of the connection channel, so that the connection channel does not participate in liquid intake and is only used for exhaust.

[0016] Preferably, in an embodiment of the present application, the cross-sectional shape of the liquid blocking protrusion is a closed shape.

[0017] Preferably, in an embodiment of the present application, the cross-section of the liquid blocking protrusion is a circular ring or an ellipse.

[0018] Preferably, in an embodiment of the present application, the liquid accumulator modal adjustment device is used to change the cavity modal of the liquid accumulator, reduce liquid hammer, and is used for gas-liquid separation, improve the natural frequency, and prevent liquid hammer;

[0019] The liquid accumulator modal adjustment device is a partition plate that forms multiple internal cavities in the liquid accumulator.

[0020] Gas-liquid separation: The partition plate of the liquid accumulator separates the internal cavities of the liquid accumulator into multiple parts, so that the liquid coolant and the gaseous coolant can be stored separately, thereby realizing gas-liquid separation. The liquid coolant is stored in the internal cavity below the partition plate, and the gaseous coolant is stored in the internal cavity above the partition plate; above and below are relative to the direction of gravity, because under the action of gravity, the liquid coolant and the gaseous coolant are affected by density and form separation, and in general, the density of the liquid coolant is greater than that of the gaseous coolant;

[0021] Although in some working conditions, the density of the liquid coolant may be less than or equal to that of the gaseous coolant, but under the current operating conditions of the liquid accumulator, such a situation does not exist;

[0022] Improving the natural frequency: By changing the internal structure of the liquid accumulator, the partition plate can change the natural frequency of the liquid accumulator, reduce the resonance with the compressor, and thereby reduce the noise;

[0023] Preventing liquid hammer: The design of the through-flow hole and the connecting pipe on the partition plate can ensure that only the gaseous coolant is sent into the compressor, and the liquid coolant is left in the liquid accumulator, preventing the liquid coolant from directly entering the compressor.

[0024] Preferably, in an embodiment of the present application, the connection channel is formed by the through-flow hole and the connecting pipe; for the through-flow hole and the connecting pipe, a liquid blocking protrusion is provided to ensure that at least part of the space of the connection channel is used for exhaust, and to prevent the liquid from completely covering the connection channel.

[0025] Preferably, in an embodiment of the present application, the baffle is inclined to facilitate better flow of the liquid refrigerant in the reservoir, thereby avoiding liquid stagnation and reducing local pressure buildup.

[0026] Preferably, in an embodiment of the present application, multiple layers of baffles are provided, each layer equipped with flow holes of different sizes to gradually achieve gas-liquid separation and smooth transition of refrigerant flow, reducing the risk of liquid hammer.

[0027] In the baffle, an active valve or flow regulating device is embedded to dynamically adjust the gas-liquid separation effect according to the system operating state, optimizing the refrigerant gasification efficiency.

[0028] Preferably, in an embodiment of the present application, the flow holes can be designed as a horn or a cone to accelerate the passage speed of gaseous refrigerant while avoiding liquid refrigerant from being carried out.

[0029] Preferably, in an embodiment of the present application, a corrosion-resistant coating or oil-wet material is added to the inner walls of the flow holes and connecting pipes to reduce the adhesion of refrigerant droplets and the probability of liquid refrigerant being sucked into the compressor.

[0030] Preferably, in an embodiment of the present application, the opening size of the flow holes is dynamically adjusted by electric or mechanical control or magnetic control, optimizing the gas-liquid separation effect according to the refrigerant flow rate and pressure demand.

[0031] Preferably, in an embodiment of the present application, a bend is added to the outlet of the gas outlet pipe to make the refrigerant flow path more complex, further reducing the risk of entraining liquid refrigerant.

[0032] Preferably, in an embodiment of the present application, separate gaseous and liquid refrigerant guide channels are provided to ensure more complete separation of the two.

[0033] Preferably, in an embodiment of the present application, a liquid buffer area is provided at the bottom of the reservoir to store excess liquid refrigerant and prevent liquid hammer caused by instantaneous pressure fluctuations.

[0034] Preferably, in an embodiment of the present application, the internal surface of the reservoir is microstructured, such as grooves or lines, to help smooth refrigerant flow and promote gas-liquid separation.

[0035] Preferably, in an embodiment of the present application, a reservoir is provided with the above-mentioned reservoir modal adjustment device, including an inlet pipe and an outlet pipe and a baffle, the baffle is provided with holes to form a connecting channel.

[0036] The beneficial effects of the present application are:

[0037] 1. The application reduces the liquid coolant inlet resistance to slow down the upper coolant liquid stacking state, thereby reducing the liquid hammer to improve the compressor life and capacity;

[0038] 2. The application sets a liquid blocking protrusion to ensure that at least part of the connecting channel space is used for exhaust, and to prevent liquid from completely covering the connecting channel, thereby fundamentally preventing and eliminating the liquid hammer phenomenon. BRIEF DESCRIPTION OF DRAWINGS

[0039] Figure 1 It is a perspective view of a liquid accumulator modal adjustment device of the utility model;

[0040] Figure 2 It is a perspective view of a liquid accumulator modal adjustment device of the utility model;

[0041] Figure 3 It is a perspective view of a liquid accumulator modal adjustment device of the utility model;

[0042] Figure 4 It is a perspective view of a liquid accumulator modal adjustment device of the utility model;

[0043] Elements in the figure:

[0044] 1, partition

[0045] 2, exhaust pipe

[0046] 101, whole circle extension pipe

[0047] 10, hole

[0048] 201, half circle extension pipe. DETAILED DESCRIPTION

[0049] The specific embodiments of the application will be further described in detail below with reference to the accompanying drawings. These embodiments are only used to illustrate the application, and are not a limitation on the utility model.

[0050] In the description of the utility model, it should be explained that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and is not intended to indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0051] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, term "installation", "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through intermediate medium, can be two elements inside the communication。For ordinary skilled person in the art, the above-mentioned terms can be understood according to the specific meaning of the utility model.

[0052] In addition, in the description of the utility model, unless otherwise stated, the meaning of "multiple" is two or more than two.

[0053] As Figures 1-4 , a liquid accumulator modal adjusting device, including the connecting channel of adjacent cavities, the liquid blocking protrusion is arranged on the edge of the connecting channel, for preventing liquid from entering the connecting channel, obtaining the space of the connecting channel for exhaust;

[0054] Figures 1-4 In the description of the utility model, the exhaust pipe 2 passes through the partition 1, and the liquid accumulator modal adjusting device of the application is specifically a partition 1, the connecting channel is formed through the hole 10, and the liquid blocking protrusion can be in the form of a semicircular extension pipe 201 or a whole circular extension pipe 101 according to the situation.

[0055] Specifically, in one embodiment of the application, as Figures 1-4 The height of the liquid blocking protrusion is less than the height of the inner tube;The height of the liquid blocking protrusion is greater than or equal to 1mm, or the height of the liquid blocking protrusion is greater than 0mm, or the height of the liquid blocking protrusion is greater than or equal to 1mm, or the height of the liquid blocking protrusion is greater than or equal to the wall thickness of the connecting channel or the wall thickness of the adjacent cavity partition, and the height of the liquid blocking protrusion is set according to the working condition requirement, manufacturing cost and process and the like.

[0056] Specifically, in one embodiment of the application, as Figure 2 , 4 When the connecting channel is one, the liquid blocking protrusion covers part of the edge of the connecting channel;The cross-sectional shape of the liquid blocking protrusion is an open shape;The cross section of the liquid blocking protrusion is a semicircular ring or a semicircular ring.

[0057] Specifically, in one embodiment of the application, as Figure 1 , 3 When the connecting channel is two or more, the liquid blocking protrusion of at least one connecting channel covers part of the edge of the connecting channel, so that the connecting channel does not participate in liquid, and is only used for exhaust;The cross section of the liquid blocking protrusion is a closed shape;The cross section of the liquid blocking protrusion is a circular ring or an ellipse.

[0058] Specifically, in an embodiment of the present application, the partition plate is inclined to allow the liquid refrigerant to have better flowability in the liquid accumulator, thereby avoiding liquid stagnation and reducing local pressure accumulation; multiple layers of partition plates are provided, each layer being equipped with flow holes of different sizes to gradually achieve gas-liquid separation and smooth transition of refrigerant flow, thereby reducing the risk of liquid impact;

[0059] An active valve or flow regulating device is embedded in the partition plate to dynamically adjust the gas-liquid separation effect according to the system operating state, thereby optimizing the refrigerant gasification efficiency.

[0060] The flow holes can be designed in a trumpet shape or a conical shape to accelerate the passing speed of gaseous refrigerant while avoiding liquid refrigerant from being carried out.

[0061] A corrosion-resistant coating or oil-wet material is added to the inner walls of the flow holes and the connecting pipe to reduce the adhesion of liquid refrigerant droplets and the probability of liquid refrigerant being sucked into the compressor.

[0062] The opening size of the flow holes is dynamically adjusted by means of electronic control or mechanical control or magnetic control to optimize the gas-liquid separation effect according to the refrigerant flow rate and pressure demand.

[0063] A bending design is added to the outlet of the gas outlet pipe to make the refrigerant flow path more complex, thereby further reducing the risk of liquid refrigerant entrainment.

[0064] Independent gaseous and liquid refrigerant guide channels are provided to ensure more complete separation of the two.

[0065] A liquid buffer area is provided at the bottom of the liquid accumulator to store excess liquid refrigerant and prevent liquid impact caused by instantaneous pressure fluctuations.

[0066] The inner surface of the liquid accumulator is microstructured, for example, by providing grooves or lines, which helps to stabilize the refrigerant flow and promote gas-liquid separation.

[0067] Specifically, in an embodiment of the present application, as Figures 1-4 A liquid accumulator adopts the above-mentioned liquid accumulator modal adjusting device, which includes an inlet pipe, an outlet pipe, and a partition plate. The partition plate is provided with holes to form a connecting channel.

[0068] Specifically, in an embodiment of the present application, according to specific conditions, the following method is used to match the liquid-blocking protrusions:

[0069] 1. When the number of through holes in the partition plate is greater than 1, a full-circle extension pipe scheme is used to ensure that at least one hole does not participate in liquid inlet and only performs exhaust. When the number of through holes in the partition plate is 1, a half-circle extension pipe scheme is used to ensure that at least part of the space does not participate in liquid inlet.

[0070] 2. The extension tube height should not be higher than the inner tube height, and the lowest should be greater than 0.

[0071] The above is only the preferred embodiment of the present application, it should be pointed out that, for those skilled in the technical field, without departing from the technical principles of the present application, can make a number of improvements and substitutions, these improvements and substitutions should also be considered as the protection scope of the present application.

Claims

1. A reservoir modality adjustment device, characterized by: The connecting channel of the adjacent cavities is provided with a liquid blocking protrusion on the edge of the connecting channel to prevent liquid from entering the connecting channel and to obtain the space of the connecting channel for exhaust.

2. A reservoir mode conditioning device as claimed in claim 1, wherein, The height of the liquid blocking protrusion is less than the height of the inner tube.

3. A reservoir mode conditioning device as in claim 1, wherein, The height of the liquid blocking protrusion is greater than 0.

4. A reservoir mode conditioning device as in claim 1, wherein, When the connecting channel is one, the liquid blocking protrusion covers part of the edge of the connecting channel.

5. A reservoir mode conditioning device as in claim 1, wherein, The cross-sectional shape of the liquid blocking protrusion is an open shape.

6. A reservoir mode conditioning device as in claim 1, wherein, The cross-section of the liquid blocking protrusion is a semi-circular ring or a semi-elliptical ring.

7. A reservoir mode conditioning device as in claim 1, wherein, When the connecting channel is two or more, the liquid blocking protrusions of at least one channel cover part of the edge of the connecting channel, so that the connecting channel does not participate in liquid and is only used for exhaust.

8. A reservoir mode conditioning device as in claim 1, wherein, The cross-section of the liquid blocking protrusion is a closed shape.

9. A reservoir mode conditioning device as in claim 1, wherein, The cross-section of the liquid blocking protrusion is a circular ring or an ellipse.

10. A liquid accumulator employing the modal adjustment device of any one of claims 1-9, wherein: The connecting channel is formed by the gas inlet pipe, the exhaust pipe and the partition plate provided with holes.

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