CN212898946U

CN212898946U - Convenient air conditioner oil mass adding device and system

Info

Publication number: CN212898946U
Application number: CN202021181604.8U
Authority: CN
Inventors: 李杜; 廖全平; 李勇平
Original assignee: Johnson Controls Hitachi Wanbao Compressor Guangzhou Co Ltd
Current assignee: Johnson Controls Hitachi Wanbao Compressor Guangzhou Co Ltd
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2021-04-06
Anticipated expiration: 2030-06-23

Abstract

The utility model provides a convenient additional air conditioner oil mass device, which comprises an oil filling tank body, a pressure detection valve, a vacuumizing connecting valve, an oil filling connecting valve, an oil discharging connecting valve and an oil filling connecting valve; the top of the oil filling tank body is provided with an oil filling pipe, a vacuum pumping pipe and a pressure detection pipe, and the oil filling connection valve, the vacuum pumping connection valve and the pressure detection valve are respectively arranged; an oil filling pipe and an oil discharging pipe are arranged at the bottom of the oil filling tank body, and an oil filling connecting valve and an oil discharging connecting valve are respectively arranged at the bottom of the oil filling tank body. And the convenient additional air-conditioning oil mass system comprises an air-conditioning refrigeration system, wherein the air suction end of a compressor of the air-conditioning refrigeration system is connected with an indoor evaporation heat exchanger through an air suction pipeline, and the air exhaust end of the compressor of the air-conditioning refrigeration system is connected with an outdoor condensation heat exchanger through an air exhaust pipeline, particularly: the device is characterized in that the oil filling pipe is communicated to the exhaust pipeline or connected to a high-pressure nitrogen source, and the oil filling pipe is communicated to the air suction pipeline. The utility model discloses need not to dismantle air conditioner refrigerating system and can add refrigerator oil, have convenient operation, labour saving and time saving and high-efficient safe characteristics.

Description

Convenient air conditioner oil mass adding device and system

Technical Field

The utility model relates to an air conditioner field specifically is to add the device of refrigerator oil and the system that the device used in the air conditioning cooling system.

Background

Because the refrigerant of the air-conditioning system has the characteristic of higher pressure, if the air-conditioning system needs to add the refrigerating machine oil, the refrigerant needs to be discharged, then the air-conditioning refrigeration system is disassembled, and then corresponding equipment is used for refueling; the method has the advantages of high cost, great trouble, more time consumption and high technical requirement on operators, and once the operation is improper, the potential safety hazard can be buried, so that the air conditioning unit is damaged. There is therefore a need for improvement.

Disclosure of Invention

The utility model aims at providing a convenient air conditioning oil mass device of appending and a convenient air conditioning oil mass system of appending, can conveniently forget effectively at the equipment air conditioner in-process and fill annotate refrigerator oil, need append different oil mass tests or air conditioner after sales maintenance in-process and need supply oil etc. in the air conditioner test process, need not to dismantle air conditioning unit and append refrigerator oil to the system, have convenient operation, easy to use and save cost's characteristics, can effectively ensure the reliability of air conditioning unit operation.

The utility model discloses a following technical scheme of purpose accessible realizes:

the utility model provides a convenient air conditioner oil mass device that adds which characterized in that: comprises a charging oil tank body, a pressure detection valve, a vacuumizing connecting valve, an oil charging connecting valve, an oil discharging connecting valve and an oil charging connecting valve; the oil filling tank body is of a sealed shell structure with a cavity inside, the top of the oil filling tank body is respectively communicated with an oil filling pipe, a vacuumizing pipe and a pressure detection pipe, the oil filling connection valve is arranged on the oil filling pipe, the vacuumizing connection valve is arranged on the vacuumizing pipe, and the pressure detection valve is arranged on the pressure detection pipe; the bottom of the oil filling tank body is respectively communicated with an oil filling pipe and an oil discharging pipe, an oil filling connecting valve is arranged on the oil filling pipe, and an oil discharging connecting valve is arranged on the oil discharging pipe; the tail end of the pressure detection pipe is closed, and the tail ends of the vacuum-pumping pipe, the oil-filled pipe, the oil discharge pipe and the oil injection pipe are respectively provided with a pipe joint communicated with the tail ends of the vacuum-pumping pipe, the oil-filled pipe, the oil discharge pipe and the oil injection pipe.

According to the technical scheme, the utility model discloses a convenient air conditioner oil mass device that appends, fill rectangular form that has vertical setting on the conch wall of the oil tank body of notes and survey the mouth and be equipped with the liquid level and look the oil mirror, the liquid level is looked the oil mirror and is the rectangular form structure that transparent material made, it locates and to be filled and will survey the mouth and block on the conch wall of the oil tank body of notes, and the liquid level is looked the oil mirror and is had the oil level scale.

The utility model provides a convenient air conditioner oil mass system that appends, its is including air conditioner refrigerating system, air conditioner refrigerating system is including compressor, outdoor condensation heat exchanger, choke valve and indoor evaporation heat exchanger, and wherein, the end of breathing in of compressor leads to indoor evaporation heat exchanger through the pipeline connection of breathing in, exhaust end passes through exhaust pipe and connects the outdoor condensation heat exchanger of logical, its characterized in that: the convenient air conditioner oil volume adding device is characterized in that the convenient air conditioner oil volume adding device is also included, in the convenient air conditioner oil volume adding device, the tail end of an oil filling pipe is communicated to an exhaust pipeline of an air conditioner refrigerating system or connected with a high-pressure nitrogen source, and the tail end of an oil filling pipe is communicated to an air suction pipeline of the air conditioner refrigerating system.

According to the technical scheme, the utility model discloses a convenient air conditioner oil mass system of appending, among the air conditioning refrigerating system, stop valve and vapour and liquid separator have connected gradually between indoor evaporation heat exchanger and the compressor on the breathing pipe way, and the end of notes oil pipe communicates to on the breathing pipe way between stop valve and the vapour and liquid separator.

The utility model has the following substantive characteristics and progress:

1. the convenient air conditioner oil adding device of the utility model creates a temporary storage environment with low oxygen and no water by filling the oil tank body, and ensures that the refrigerator oil does not deteriorate in the adding process; furthermore, the oil quantity of the oil filling tank body can be visually and conveniently mastered through the liquid level oil sight, and the oil filling tank has the characteristics of simple and compact structure, easiness in manufacturing and no occupation of redundant space.

2. The utility model discloses a convenient air conditioning oil mass system that appends, under the normal operating conditions of air conditioning refrigerating system that does not influence, through the utility model discloses a device is to air conditioning system filling, supplementary specific oil mass, and then has solved effectively and has forgotten to annotate in the equipment air conditioner in-process and annotate refrigerator oil, need append different oil mass tests or need supplement the oil etc. circumstances at the air conditioner after sales maintenance in-process in the air conditioner test process, need not to dismantle air conditioning unit and appends refrigerator oil to the system, have convenient operation, easy to use and save cost's characteristics, can effectively ensure the reliability of air conditioning unit operation. Through experimental verification, the same oil amount is added to any one air conditioning system, and compared with the traditional oil amount adding method, the time and the cost can be saved by 90%.

Drawings

Fig. 1 is a schematic structural view of the convenient additional air-conditioning oil mass device of the present invention.

Fig. 2 is the utility model discloses a convenient additional air conditioner oil mass system's schematic structure.

Fig. 3 is another schematic structural diagram of the convenient additional air-conditioning oil quantity system of the present invention.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

Examples

Referring to fig. 1, the device for conveniently adding the air conditioner oil comprises a filling oil tank body 1, a pressure detection valve 3, a vacuumizing connecting valve 4, an oil filling connecting valve 5, an oil discharging connecting valve 6 and an oil filling connecting valve 7.

Fill and annotate sealed shell structure that oil tank body 1 has the cavity for interior, fill and have the rectangular form of vertical setting on oil tank body 1's the conch wall and survey the mouth and be equipped with liquid level look oil glass 2, liquid level look oil glass 2 for rectangular form structure that transparent material made, it locate and to fill and to survey the mouth and block on oil tank body 1's the conch wall, liquid level look oil glass 2 is last to have the oil level scale.

The top of the filling oil tank body 1 is respectively communicated with an oil filling pipe 51, a vacuum pumping pipe 41 and a pressure detection pipe 31, an oil filling connection valve 5 is arranged on the oil filling pipe 51, a vacuum pumping connection valve 4 is arranged on the vacuum pumping pipe 41, and a pressure detection valve 3 is arranged on the pressure detection pipe 31; the bottom of the filling oil tank body 1 is respectively communicated with an oil filling pipe 71 and an oil discharging pipe 61, the oil filling connecting valve 7 is arranged on the oil filling pipe 71, and the oil discharging connecting valve 6 is arranged on the oil discharging pipe 61.

The end of the pressure detecting pipe 31 is closed, and the ends of the evacuation pipe 41, the oil filling pipe 51, the oil discharge pipe 61, and the oil filling pipe 71 are respectively provided with a pipe joint.

Before adding the refrigerating machine oil to the air-conditioning refrigeration system, the convenient air-conditioning oil amount adding device of the embodiment needs to be pre-oiled. Firstly, the vacuumizing connecting valve 4, the oil filling connecting valve 5, the oil discharging connecting valve 6 and the oil filling connecting valve 7 of the filling oil tank body 1 are all adjusted to be in a closed state, then the vacuumizing connecting valve 4 is opened to be connected with external vacuumizing equipment such as a vacuumizing pump (not shown), vacuumizing treatment is carried out on the filling oil tank body 1, after the fact that the vacuum degree is lower than 1 Torr (133Pa) is confirmed through the pressure detection valve 3, the vacuumizing connecting valve 4 is closed, the refrigerating machine oil is filled into the filling oil tank body 1 through the opened oil filling connecting valve 5, the oil filling connecting valve 5 is closed after the oil quantity is observed to be a proper liquid level through the liquid level sight oil mirror 2 of the filling oil tank body 1, and pre-oil filling is completed.

Example 2

Referring to fig. 2, a convenient air-conditioning oil quantity adding system comprises an air-conditioning cooling system and the convenient air-conditioning oil quantity adding device of embodiment 1.

The air-conditioning refrigeration system comprises a compressor 8, an outdoor condensing heat exchanger 9, a throttle valve 10, an indoor evaporating heat exchanger 11, a stop valve 12 and a gas-liquid separator 13. The suction end of the compressor 8 is connected to the indoor evaporation heat exchanger 11 through a suction line 81, and the discharge end is connected to the gas-liquid separator 13, the stop valve 12, and the outdoor condensation heat exchanger 9 in this order through a discharge line 82.

When the air-conditioning refrigeration system is filled with oil, the filling oil tank body 1 is pre-filled with the refrigerating machine oil. The tail end of an oil filling pipe 51 of the filling oil tank body 1 is communicated to an exhaust pipeline 82 of an air conditioning refrigeration system, and the tail end of an oil filling pipe 71 is communicated to a suction pipeline 81 between the stop valve 12 and the gas-liquid separator 13.

The oil filling connecting valve 5 and the oil filling connecting valve 7 are opened, at the moment, the refrigerator oil pre-filled in the oil filling tank body 1 is pressed into the air suction pipeline 81 of the air conditioning refrigeration system through the pressure difference between exhaust and suction during the operation of the air conditioning refrigeration system, the additional refrigerator oil enters the compressor 8 along the air suction pipeline 81 along with the air flow in the air conditioning refrigeration system, and the specific oil filling amount is observed at any time through the liquid level oil sight glass 2 on the oil filling tank body 1. After the addition is completed, the drain connection valve 6 is opened, and the oil remaining in the charging oil tank 1 is discharged through the drain pipe 61.

Example 3

Referring to fig. 3, the convenient additional air-conditioning oil amount system of the present embodiment is different from embodiment 2 in that: when the air-conditioning refrigeration system is added with oil, the tail end of the oil filling pipe 51 of the oil filling tank body 1 pre-added with the refrigerating machine oil is connected with a high-pressure nitrogen source 91, the high-pressure nitrogen source 91 in the embodiment is a nitrogen tank, and the other structures are the same as those in the embodiment 2. During operation, the oil filling connecting valve 5 and the oil filling connecting valve 7 are opened, high-pressure nitrogen is input into the oil filling tank body 1 through the high-pressure nitrogen source 91, and the refrigerating machine oil in the oil filling tank body 1 can be added into the compressor 8, so that the refrigerating machine oil filling device has the characteristics of easiness in operation, rapidness and convenience.

Claims

1. The utility model provides a convenient air conditioner oil mass device that adds which characterized in that: comprises a charging oil tank body (1), a pressure detection valve (3), a vacuumizing connecting valve (4), an oil charging connecting valve (5), an oil discharging connecting valve (6) and an oil charging connecting valve (7); the oil filling tank body (1) is of a sealed shell structure with a cavity inside, the top of the oil filling tank body (1) is respectively communicated with an oil filling pipe (51), a vacuumizing pipe (41) and a pressure detection pipe (31), an oil filling connection valve (5) is arranged on the oil filling pipe (51), a vacuumizing connection valve (4) is arranged on the vacuumizing pipe (41), and a pressure detection valve (3) is arranged on the pressure detection pipe (31); the bottom of the oil filling tank body (1) is respectively communicated with an oil filling pipe (71) and an oil discharging pipe (61), an oil filling connecting valve (7) is arranged on the oil filling pipe (71), and an oil discharging connecting valve (6) is arranged on the oil discharging pipe (61); the tail end of the pressure detection pipe (31) is closed, and the tail ends of the vacuum pipe (41), the oil filling pipe (51), the oil discharge pipe (61) and the oil filling pipe (71) are respectively provided with a pipe joint communicated with the tail ends.

2. The convenient additional air-conditioning oil volume device according to claim 1, characterized in that: fill and have the rectangular form of vertical setting on the conch wall of the oil tank body (1) and survey the mouth and be equipped with liquid level and look oily mirror (2), liquid level is looked oily mirror (2) and is sealed the fender for observing the mouth for rectangular form structure, its locating on the conch wall of filling the oil tank body (1) that transparent material made, and liquid level is looked and is had the oil level scale on oily mirror (2).

3. The utility model provides a convenient air conditioner oil mass system that appends, its is including air conditioner refrigerating system, air conditioner refrigerating system is including compressor (8), outdoor condensation heat exchanger (9), choke valve (10) and indoor evaporation heat exchanger (11), and wherein, the end of breathing in of compressor (8) is through breathing in pipeline (81) connection indoor evaporation heat exchanger (11), exhaust end is through exhaust pipe (82) connection outdoor condensation heat exchanger (9), its characterized in that: the convenient air-conditioning oil volume adding device is characterized by further comprising the convenient air-conditioning oil volume adding device as claimed in claim 1 or 2, wherein the tail end of the oil filling pipe (51) is communicated to an exhaust pipeline (82) of an air-conditioning refrigeration system or is connected with a high-pressure nitrogen source (91), and the tail end of the oil filling pipe (71) is communicated to a suction pipeline (81) of the air-conditioning refrigeration system.

4. The convenient additional air conditioner oil quantity system according to claim 3, characterized in that: in the air-conditioning refrigeration system, a stop valve (12) and a gas-liquid separator (13) are sequentially connected between an indoor evaporation heat exchanger (11) and a compressor (8) on an air suction pipeline (81), and the tail end of an oil injection pipe (71) is communicated to the air suction pipeline (81) between the stop valve (12) and the gas-liquid separator (13).