KR20150128637A - Recovery recycle and replenish equipment of refrigerant for vehicles air conditioner - Google Patents

Abstract

The present invention relates to a device for recovering, recycling and replenishing a refrigerant for a vehicle air conditioner. A first connection hose is connected to a vehicle to recover the refrigerant and placed in a vacuum state. The first connection hose is connected to a mechanical compressor-type vehicle to replenish oil and the refrigerant. A second connection hose is connected to an electric compressor-type vehicle to replenish the oil and the refrigerant. Therefore, a vehicle can be selectively replenished with the oil and the refrigerant depending on a compressor type of the vehicle. The device for recovering, recycling and replenishing a refrigerant for a vehicle air conditioner in accordance with the present invention selectively replenishes the oil and the refrigerant depending on the compressor type of the vehicle, does not create a defect in the vehicle by selectively replenishing the oil and the refrigerant, uses a same passage structure for both recovery and vacuum work to reduce a volume of the device, reduces production costs by combining passage structures of the oil and the refrigerant which are replenished in the electric compressor-type vehicle, and provides convenience in transport and use since a single device can recover and replenish the refrigerant in the mechanical compressor-type vehicle and the electric compressor-type vehicle.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a refrigerant recovery apparatus,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for recovering, regenerating and charging a vehicle air conditioner refrigerant, and more particularly, Regeneration and charging apparatus for a vehicle air conditioner.

Generally, the air conditioner is a device for controlling the temperature and humidity of the indoor air in summer. In the vehicle air conditioner, the refrigerant is sucked and compressed by the compressor, and then circulated in the order of the condenser-expansion valve-evaporator-compressor, The interior temperature of the vehicle is lowered to a predetermined temperature to make the room comfortable.

At this time, since the refrigerant of the vehicle air conditioner becomes an environmental pollution problem, it is inevitable that the incineration and treatment are inevitable and the refrigerant can be recovered and reused, thereby developing a vehicle air conditioner refrigerant recovery and filling device.

In this case, the vehicle air conditioner refrigerant recovery and filling device recovers the refrigerant contained in the vehicle, and recovers the recovered refrigerant to charge the vehicle. FIG. 1 is a view showing a recovery, regeneration and charging device for a refrigerant for a vehicle air conditioner A vacuum suction source 20 and an oil siding glass 30 connected to the connectors 11 and 12 and an oil sump glass 30 connected to the oil siding glass 30, An oil separator 50 connected to the waste oil separator 40 and a recovery compressor 60 connected between the oil separator 50 and the waste oil separator 40, A cooling condenser 70 connected to the oil separator 50, a refrigerant gas container 80 connected to the cooling condenser 70 and an electronic balance 90 installed on the bottom surface of the refrigerant gas container 80 .

At this time, when the recovery compressor 60 is operated, the refrigerant is sucked into the waste oil separator 40 through the oil sight glass 30 at the high and low pressure valves 11 and 12 connected to the vehicle, The refrigerant sucked into the oil separator 50 is discharged to the inside and outside of the oil separator 50 and the waste oil separator 50 after the water is filtered by the water filter 61 while the waste oil is recovered to the recovery compressor 60. [ 40, cooled by a cooling condenser 70, and then recovered into a refrigerant gas container 80. [

At this time, the refrigerant recovered in the refrigerant gas container 80 is measured by the total author 90 and outputs the weight of the refrigerant received in the refrigerant gas container 80 through an external display (not shown).

In addition, the color of the refrigerant recovered through the oil sight glass 30 can be visually checked to determine whether the compressor of the vehicle air conditioner is damaged.

The gas refrigerant that has passed through the oil separator 50 is compressed by the recovery compressor 60 to be converted into a gas having a high temperature and a high pressure and is converted into liquid refrigerant while passing through the cooling condenser 70, 80).

On the other hand, when recovery of the refrigerant gas from the vehicle air conditioner is completed, the recovery compressor 60 is stopped, and the vacuum suction source 20 is operated for a predetermined time, thereby changing the inside of the vehicle to a vacuum state.

In the vacuum state, the liquid refrigerant in the refrigerant gas container 80 through the high-pressure valve 11a flows through the filter 81, the charging valve 82, the third check valve 83, the high-pressure valve 11a, the filter 11b And the high-voltage connector 11 to the inside of the vehicle.

At this time, the liquid refrigerant is charged into the vehicle through the high-pressure valve 11a while being filtered by the filters 81 and 11b.

The oil tank 10 connected to the high and low pressure valves 11a and 12a stores oil to be charged into the vehicle.

However, as described above, the structure in which the high and low pressure valves 11a and 12a are connected to the vehicle to recover the refrigerant and regenerates the recovered refrigerant and recharges the vehicle is a system in which a small amount of oil is supplied regardless of the mechanical compressor or the motor- There is an inconvenience that a pure refrigerant must be directly injected by a user into a vehicle of an electric compressor type, and the mechanical compressor and the electric compressor type There is a problem that the oil can not be selectively injected.

SUMMARY OF THE INVENTION It is an object of the present invention to solve the above-mentioned problems, and it is an object of the present invention to provide a refrigerator and a refrigerator which are capable of connecting a first connection hose to a vehicle to recover and vacuum the refrigerant, Regeneration and recharging of the vehicle air-conditioner refrigerant for charging the vehicle by selecting the oil and the refrigerant according to the compressor system of the vehicle by charging the oil and the refrigerant by connecting the second connection hose to the vehicle of the electric compressor type, .

In order to accomplish the object of the present invention, the apparatus for recovering, regenerating and filling a vehicle air conditioner according to the present invention is characterized in that an operating portion is formed on a front surface in a hollow shape, and a display is formed close to the operating portion A first connection hose that is exposed to the outside of the body but is inserted in the air conditioner nipple for guiding the flow of the gas or liquid refrigerant and is connected to the first connection hose, A waste oil separator provided between the connection hose and the compressor for separating the waste oil from the gaseous refrigerant transferred to the compressor, a condenser for discharging the liquid refrigerant in connection with the compressor, A first storage tank connected to the condenser to store the liquid refrigerant, A first balance to measure the weight of the refrigerant, a vacuum pump connected to the first connection hose to make a space for filling the refrigerant into a vacuum state, and a first oil sump connected to the first connection hose to inject oil. A second connection hose that is exposed to the outside of the body and that is inserted into the air conditioner nipple for supplying the liquid refrigerant, and a second connection hose installed inside the body, connected to the second connection hose, A second storage tank for supplying liquid refrigerant; A second balance installed in the lower portion of the second storage tank for measuring the weight of the liquid refrigerant; And a second oil sump connected to the second connection hose to inject fresh oil into the vehicle.

In the apparatus for recovering, regenerating and charging a vehicle air conditioner refrigerant according to the present invention, a cooling pipe for cooling the gas refrigerant discharged from the compressor and supplying the gas refrigerant to the condenser is provided in the waste oil separator.

In the apparatus for recovering, regenerating and charging a vehicle air conditioner refrigerant according to the present invention, a first filter for filtering out foreign matter is provided in the first and second connection hoses.

In the apparatus for recovering, regenerating and charging a vehicle air conditioner refrigerant according to the present invention, the first oil sump is filled with PAG (poly alkylen glycol) lubricating oil.

In the apparatus for recovering, regenerating and filling a vehicle air conditioner refrigerant according to the present invention, the second oil bottle may be filled with any one of PVE (polyvinylether) synthetic oil and POE (polyol ester) synthetic oil.

As described above, the apparatus for recovering, regenerating and charging the vehicle air conditioner according to the present invention can select and charge the oil and the refrigerant according to the compressor system of the vehicle, selectively charge the oil and the refrigerant, And it is possible to reduce the volume of the apparatus by using the same path structure for performing the recovery and the vacuum operation and the manufacturing cost is low due to the combination of the path structure of the oil and the refrigerant filled in the motor- There is a merit that the device for recovering and charging the refrigerant of the compressor vehicle is unified and convenient to move and use.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic view showing a conventional apparatus for recovering, regenerating and charging a vehicle air conditioner refrigerant. FIG.
2 is a view showing a device for recovering, regenerating and charging a vehicle air conditioner refrigerant according to the present invention.
3 is a schematic view showing a device for recovering, regenerating and charging a vehicle air conditioner refrigerant according to the present invention.
4 is a schematic view showing a state in which the refrigerant is recovered by the recovery, regeneration and charging device of the vehicle air conditioner refrigerant according to the present invention.
FIG. 5 is a schematic view showing the recovery, regeneration and charging apparatus of a vehicle air conditioner refrigerant according to the present invention, which sucks air to make a vacuum state. FIG.
6A and 6B are schematic views showing a state in which oil is charged by the recovery, regeneration, and charging apparatus of a vehicle air conditioner refrigerant according to the present invention.
FIGS. 7A and 7B are schematic views showing a state in which refrigerant is charged by the recovery, regeneration and charging device of a vehicle air-conditioner refrigerant according to the present invention. FIG.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 2 is a view showing a recovery, regeneration and charging apparatus for a vehicle air conditioner refrigerant according to the present invention, FIG. 3 is a schematic view showing a recovery, regeneration and charging apparatus for a vehicle air conditioner refrigerant according to the present invention, FIG. 5 is a schematic view showing a state in which the refrigerant is recovered by the recovery, regeneration and charging device of the vehicle air conditioner according to the present invention. 6A and 6B are schematic views showing a state in which oil is charged by the recovery, regeneration and charging device of the vehicle air-conditioner refrigerant according to the present invention, and Figs. 7A to 7B are views Fig. 3 is a schematic view showing a state in which the refrigerant is charged by the recovery, regeneration and charging device of the refrigerant.

The air conditioner refrigerant recovery and charging apparatus includes a body 100, a first connection hose 200, a compressor 300, a waste oil separator 400, a condenser 500, a first storage tank 600, a first balance 700 A second reservoir tank 600 ', a second balance 700', and a second oil bottle 900 ', which are constituted by a vacuum pump 800 and a first oil bottle 900, ).

The body 100 has a hollow shape with an operation part 101 formed on a front surface thereof and a display 102 close to the operation part 101.

The body 100 can determine the weight of the refrigerant received in the first and second storage tanks 600 and 600 'through the display 102 and the first and second storage tanks 600, The amount of refrigerant supplied to the vehicle can be confirmed by checking the change amount of the refrigerant accommodated in the refrigerating chamber 600 'through the display 102.

The first connection hose 200 is exposed to the outside of the body 100, and is inserted into the air conditioner nipple N for guiding the flow of gas or liquid refrigerant.

A first measurement sensor 201 and a first solenoid valve 202 are installed between the first connection hose 200 and the waste oil separator 400. The first measurement sensor 201 is accommodated in the vehicle And the first solenoid valve 202 is opened to guide the refrigerant stored in the vehicle to the waste oil separator 400. In this case,

The first measurement sensor 201 measures the amount of refrigerant contained in the vehicle and opens and closes the first solenoid valve 202.

When the first connection hose 200 is connected to the first oil bottle 900 and the second solenoid valve 203 installed between the first connection hose 200 and the first oil bottle 900 is opened, The oil stored in the first oil bottle 900 is charged into the vehicle through the first connection hose 200.

The refrigerant flowing into the waste oil separator 400 flows back through the first connection hose 200 between the first connection hose 200 and the waste oil separator 400 or the first oil bottle 900 It is preferable that first and second check valves 204 and 205 are provided to prevent the backflow of oil filled in the vehicle.

The first connection hose (200) is provided with a first filter (206) for filtering foreign substances mixed in the refrigerant to be recovered.

The first connection hose 200 is connected to a vehicle of an electric compression type to recover refrigerant in a predetermined space inside the vehicle or change a predetermined space to a vacuum state.

The first connection hose 200 may be connected to the second connection hose 200 'at the same time as the vehicle of the electric compression type.

The first connection hose 200 is preferably formed on the high pressure side and the low pressure side.

The compressor 300 is installed inside the body 100 and is connected to the first connection hose 200 to suck gas and liquid refrigerant contained in the vehicle.

The compressor (300) sucks the gas and liquid refrigerant contained in the vehicle and is transferred to the waste oil separator (400).

The compressor (300) receives the gas refrigerant contained in the waste oil separator (400) and compresses the gas refrigerant.

A coolant injection control device 301 is provided between the compressor 300 and the waste oil separator 400 to regulate the amount of gas refrigerant supplied to the compressor 300. The coolant injection control device 301 So that the amount of the gaseous refrigerant supplied to the compressor 300 can be freely adjusted.

A second filter 302 may be installed between the compressor 300 and the waste oil separator 400 to filter foreign substances and water mixed in the gas refrigerant supplied to the compressor 300.

An oil separator 303 is installed between the compressor 300 and the condenser 500 to filter the oil mixed in the gas refrigerant discharged from the compressor 300.

The oil stored in the oil separator 303 is re-transferred to the compressor 300 to drive the compressor 300. The oil is separated from the oil separator 303 by the compressor 300, A third filter 304 for filtering the oil is provided.

A second measurement sensor 305 is installed between the compressor 300 and the oil separator 303 and the second measurement sensor 305 measures the supply amount of the gas refrigerant supplied to the condenser 500, And stops the operation of the compressor (300) when supplied at a predetermined supply amount or more.

The waste oil separator 400 is disposed between the connection hose 200 and the compressor 300 to separate waste oil from gas refrigerant transferred to the compressor 300.

The waste oil separator 400 receives the refrigerant contained in the vehicle in a hollow shape and receives the waste oil in the lower portion thereof, and supplies the gas refrigerant to the compressor 300.

A third solenoid valve 401 is disposed below the waste oil separator 400. When the third solenoid valve 401 is opened, the waste oil contained in the lower portion is discharged to the outside.

In the waste oil separator 400, a cooling pipe 410 for cooling the gas refrigerant discharged from the compressor 300 is installed.

The cooling pipe 410 is cooled by the refrigerant discharged into the waste oil separator 400 and exchanges heat with the gas refrigerant discharged from the compressor 300 to cool the gas refrigerant.

The cooling pipe 410 may be in close contact with the inner surface of the waste oil separator 400, and may be formed in a spiral shape.

The condenser 500 is connected to the compressor 300 to discharge the liquid refrigerant.

The condenser 500 receives the gas refrigerant discharged from the compressor 300, condenses and liquefies it, and discharges the liquid refrigerant.

A third check valve (501) is provided between the condenser (500) and the first storage tank (600) to prevent the liquid refrigerant discharged from the condenser (500) from flowing backward.

The first storage tank 600 is connected to the condenser 500 to store the liquid refrigerant.

The first storage tank 600 recovers the regenerated liquid refrigerant from the vehicle and transfers the liquid refrigerant to the first connection hose 200 to fill the vehicle with the liquid refrigerant.

The liquid refrigerant contained in the first storage tank 600 is transferred to the vehicle interior space maintained in a vacuum state, and liquid refrigerant is filled in the vehicle interior.

A fourth filter (601) for filtering the liquid refrigerant supplied to the vehicle is installed between the first storage tank (600) and the first connection hose (200).

In the first storage tank 600, the liquid refrigerant contained therein is measured by the first balance 700.

The first pressurization sensor 602 and the fourth solenoid valve 603 are provided on the outer surface of the first storage tank 600 and the first pressurization sensor 602 is connected to the inner pressure of the first storage tank 600 , The fourth solenoid valve 603 is opened and closed to maintain the internal pressure at a predetermined value.

The liquid refrigerant contained in the first storage tank 600 is preferably filled with a mechanical compression type vehicle.

The first balance 700 is installed under the first storage tank 600 to measure the weight of the liquid refrigerant.

The first balance 700 measures the weight of the liquid refrigerant contained in the first storage tank 600 and outputs the measured weight to the display 102 of the body 100.

The vacuum pump 800 is connected to the first connection hose 200 to change the space in which the refrigerant is charged to a vacuum state.

A second press-fitting sensor 801 and a seventh solenoid valve 802 are provided between the vacuum pump 800 and the first connection hose 200. The second press-fitting sensor 801 presses the inner space of the vehicle And the seventh solenoid valve 802 is opened and closed, and the vacuum pump is operated and stopped.

When the second indentation sensor measures the pressure in the vehicle interior space and the pressure remains, the operation of the vacuum pump 800 is stopped. If there is no pressure in the vehicle interior space, the vacuum pump 800 is operated for a predetermined time And the internal space of the vehicle is changed to a vacuum state.

The first oil syringe 900 is connected to the first connection hose 200 to inject oil.

The first oil sump 900 stores PAG (poly alkylen glycol) lubricating oil.

The oil stored in the first oil sump 900 is preferably injected into a mechanical compression type vehicle.

For example, a mechanical compression type vehicle is a vehicle in which fossil fuel based energy is used.

The oil stored in the first oil bottle 900 may be connected to the low pressure side of the first connection hose 200 and injected into the vehicle.

The second connection hose 200 'is exposed to the outside of the body 100, and is inserted into the automotive air conditioner nipple N to supply the liquid refrigerant.

The second connection hose 200 'is connected to the second storage tank 600' to fill the liquid refrigerant into the interior of the vehicle.

A fifth solenoid valve 201 'is installed between the second connection hose 200' and the second storage tank 600 ', and the fifth solenoid valve 201' The liquid refrigerant contained in the tank 600 'is charged into the vehicle through the second connection hose 200'.

The second storage tank 600 'is installed inside the body 100 and is connected to the second connection hose 200' to supply the liquid refrigerant into the interior of the vehicle.

The second storage tank 600 'is installed close to the first storage tank 600, and receives and stores liquid refrigerant from the outside.

The weight of the liquid refrigerant contained in the second storage tank 600 'is measured by the second balance 700' installed below.

The liquid refrigerant contained in the second storage tank 600 'is preferably injected into a vehicle of an electric compression type, and may be injected into a vehicle of a mechanical compression type according to a user's selection.

The second balance 700 'is installed under the second storage tank 600' to measure the weight of the liquid refrigerant.

The second balance 700 'measures the weight of the liquid refrigerant received in the second storage tank 600' and outputs the measured weight value to the display 102 of the body 100.

The second oil sump 900 'is connected to the second connection hose 200' to inject oil into the vehicle.

The second oil sump 900 'stores either PVE (polyvinylether) synthetic oil or POE (polyol ester) synthetic oil.

The oil stored in the second oil sump 900 'is preferably injected into a motor vehicle of the electric compression type.

For example, a motor vehicle of an electric compression type is an electric vehicle, a fuel cell, or a vehicle that is operated by electric energy. Such a vehicle includes a fuel cell vehicle, a hybrid vehicle, and an electric vehicle.

The apparatus for recovering, regenerating and charging the vehicle air conditioner refrigerant according to the present invention having the above structure is used as follows.

First, in order to recover the refrigerant contained in the vehicle, the first connection hose 200 exposed to the outside of the body is connected to the vehicle air-conditioner nipple to operate the operation unit 102 so that the compressor 300 The refrigerant is transferred to the waste oil separator 400 through the first connection hose 200 and the oil separated from the waste oil separator 400 is remained in the lower portion of the waste oil separator 400, The compressed gas refrigerant is liquefied through the condenser 500 and the liquid refrigerant is stored in the first storage tank 600 so that the refrigerant is accommodated in the vehicle The refrigerant is recovered and regenerated.

At this time, the pressure of the refrigerant recovered by the compressor 300 is checked by the user from the outside through the pressure gauge 207 connected to the first connection hose 200.

The refrigerant transported through the first connection hose 200 is separated from the first connection hose 200 by the first filter 206 installed in the first connection hose 200, The refrigerant is prevented from flowing back through the first check valve 204 installed between the oil separators 400.

The foreign substances and moisture mixed in the gas refrigerant transferred to the compressor 300 are removed by the second filter 302 installed between the waste oil separator 400 and the compressor 300, The amount of gas refrigerant transferred to the compressor 300 is regulated by the refrigerant injection adjusting device 301 installed at the front end.

An oil separator 303 is provided between the compressor 300 and the condenser 500 to filter the oil mixed in the gas refrigerant discharged from the compressor 300, The oil that is re-transferred to the compressor 300 is removed by the third filter 304 and is supplied to the compressor 300 .

A second measurement sensor 305 is installed between the compressor 300 and the oil separator 303. The second measurement sensor 305 measures the supply amount of the gas refrigerant supplied to the condenser 500 And stops the operation of the compressor (300) when the predetermined amount or more is supplied.

The liquid refrigerant discharged from the condenser 500 and stored in the first storage tank 600 is discharged to the outside through a third check valve 501 installed between the first storage tank 600 and the condenser 500 Backward flow is prevented.

The first pressurization sensor 602 and the fourth solenoid valve 603 are installed on the outer surface of the first storage tank 600 so that the first pressurization sensor 602 is connected to the first storage tank 600, The internal pressure of the fourth solenoid valve 603 is maintained at a predetermined value by opening and closing the fourth solenoid valve 603.

Meanwhile, a third solenoid valve 401 is installed below the waste oil separator 400. When the third solenoid valve 401 is opened, the waste oil contained in the lower part is discharged to the outside.

A cooling pipe 410 for cooling the gas refrigerant discharged from the compressor 300 is installed in the waste oil separator 400 and the cooling pipe 410 is discharged to the waste oil separator 400 And cools the gas refrigerant by heat exchange with the gas refrigerant discharged from the compressor (300).

At this time, it is preferable that the cooling pipe 410 is closely attached to the inner surface of the waste oil separator 400, and is formed in a spiral shape to perform heat exchange with the gas refrigerant.

Subsequently, when the recovery operation is completed, the vacuum pump 800 connected to the first connection hose 200 is operated to change a predetermined space inside the vehicle where the refrigerant is recovered to a vacuum state.

At this time, by visually checking the pressure gauge 207, the vacuum state can be confirmed in a predetermined space of the vehicle in which the refrigerant is received.

A second press-fitting sensor 801 is provided between the first connection hose 200 and the vacuum pump 800. The second press-fitting sensor 801 measures the pressure in the space inside the vehicle, The operation of the vacuum pump 800 is stopped when the second press-fitting sensor 801 measures the pressure in the space inside the vehicle and the pressure is left, The vacuum pump 800 is operated for a predetermined time to change the internal space of the vehicle to a vacuum state.

The operation for recovering the refrigerant as described above and changing the state to the vacuum state is performed by connecting the first connection hose 200 to the vehicle air conditioner nipple and injecting the oil and the refrigerant into the vehicle. The user connects the first connection hose 200 or the second connection hose 200 'selectively to the vehicle air-conditioner nipple.

Accordingly, when the predetermined space inside the vehicle is changed to a vacuum state, the operation of the vacuum pump 800 is stopped and the oil is charged into the vehicle by the first or second connection hose 200 '.

At this time, it is preferable that the oil stored in the first oil bottle 900 is injected into the vehicle through the low-pressure side of the first connection hose 200.

A first oil bottle 900 is connected to the first connection hose 200 and a PAG (poly alkylen glycol) lubricating oil to be injected into a mechanical compression type vehicle is stored in the first oil bottle 900.

The second oil syringe 900 'is connected to the second connection hose 200', and the second oil syringe 900 'is connected to an electric compression type vehicle such as PVE (polyvinylether) synthetic oil or POE (Polyolester) And synthetic oil.

In addition, check valves 205 and 202 'and solenoid valves 203 and 203' are installed between the oil syringe 900 and 900 'and the connection hoses 200 and 200'. When the solenoid valves 203 and 203 ' And is charged into the vehicle through the valves 205 and 202 'and the connecting hoses 200 and 200'.

At this time, the oil is prevented from flowing back to the oil bottle 900, 900 'by the check valves 205, 202'.

When the first connection hose 200 or the second connection hose 200 'is selectively connected to the vehicle air-conditioner nipple, the valve connected between the connection hose 200, 200' and the storage tank 600, 600 ' The liquid refrigerant stored in the storage tanks 600 and 600 'is charged into the vehicle through the connection hoses 200 and 200'.

At this time, the first connection hose 200 is connected to a vehicle of an electric compression type to recover refrigerant in a predetermined space inside the vehicle, or to change a predetermined space to a vacuum state.

In addition, the first connection hose 200 is connected to the second connection hose 200 'and the vehicle of the electric compression type at the same time.

At this time, the first connection hose 200 is formed as a high-pressure side and a low-pressure side, and the high-pressure side of the second connection hose 200 'and the first connection hose 200 are simultaneously connected to a motor- .

The pressure gauge 207 connected to the first and second connection hoses 200 and 200 'can be visually checked to determine the pressure of the predetermined space in which the refrigerant is filled, thereby allowing the user to determine whether or not the refrigerant is charged .

Accordingly, when the refrigerant is recovered in a vehicle of an electric compression type using a vehicle of a mechanical compression type using energy based on fossil fuel, a fuel cell, and the like, when the refrigerant is made into a vacuum state, the first connection hose 200 is connected When the vehicle is charged with oil and refrigerant, the first connection hose 200 or the second connection hose 200 'is selectively connected and charged.

At this time, the liquid refrigerant traveling on the first connection hose 200 contains a small amount of oil and is preferably injected into the vehicle of the mechanical compression type. The liquid refrigerant traveling on the second connection hose 200 ' It is preferable that the oil is not contained and is injected into an electric compression type vehicle.

Although the first connection hose 200 is configured as one unit, the first connection hose 200 can be divided into a high pressure side and a low pressure side according to a user's selection.

The structure for selecting and charging the oil and liquid refrigerant having different properties according to the compressor driving method of the vehicle as described above can select and charge the oil and the refrigerant according to the vehicle compressor system, And it is possible to reduce the production cost by combining the path structure of the oil and the refrigerant filled in the vehicle of the electric compressor type and the compactness of the device by using the same path structure for performing the recovery and the vacuum operation Do.

The above description is only one embodiment for carrying out the recovery, regeneration and charging device of the vehicle air conditioner refrigerant according to the present invention. The present invention is not limited to the above-described embodiment, It will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

100: Body 101:
102: display 200: first connection hose
200 ': second connection hose 201: first measurement sensor
201 ': fifth solenoid valve 202: first solenoid valve
202 ': third check valve 203: second solenoid valve
203 ': sixth solenoid valve 204: first check valve
205: second check valve 206: first filter
207: Pressure gauge 300: Compressor
301: Refrigerant injection regulator 302: Second filter
303: Oil separator 304: Third filter
305: second measuring sensor 400: waste oil separator
401: third solenoid valve 410: cooling pipe
500: condenser 501: third check valve
600: first storage tank 600 ': second storage tank
601: fourth filter 601 ': second valve
602: first press-fitting sensor 603: fourth solenoid valve
604: first valve 700: first balance
700 ': Second scale 800: Vacuum pump
801: second indentation sensor 900: first lint
900 ': The second lint

Claims (5)

A body 100 having a hollow shape and an operation part 101 formed on a front surface thereof and having a display 102 formed close to the operation part 101 and a body 100 exposed to the outside of the body 100, A first connecting hose 200 inserted in the body 100 to guide the flow of gas or liquid refrigerant and a second connecting hose 200 installed in the body 100 and connected to the first connecting hose 200, A waste oil separator 400 disposed between the connection hose 200 and the compressor 300 for separating waste oil from gas refrigerant transferred to the compressor 300; A condenser 500 connected to the compressor 300 to discharge the liquid refrigerant, a first storage tank 600 connected to the condenser 500 to store the liquid refrigerant, a second storage tank 600 connected to the first storage tank 600, A first balance 700 installed under the liquid refrigerant and measuring the weight of the liquid refrigerant, A vacuum pump 800 connected to the connection hose 200 to make a space for filling the refrigerant into a vacuum state and a first oil syringe 900 connected to the first connection hose 200 for injecting oil, In an air conditioner refrigerant recovery and injection device,
A second connection hose 200 'which is exposed to the outside of the body 100 and is fitted in the vehicle air-conditioner nipple N to supply the liquid refrigerant;
A second storage tank 600 'installed in the body 100 and connected to the second connection hose 200' to supply liquid refrigerant into the vehicle interior; And
A second scale 700 'installed under the second storage tank 600' to measure the weight of the liquid refrigerant; And
A second oil bottle 900 'connected to the second connection hose 200' and injecting oil into the vehicle;
And a controller for controlling the operation of the compressor. The method according to claim 1,
And a cooling pipe (410) for cooling the gas refrigerant discharged from the compressor (300) and supplying the cooled gas refrigerant to the condenser (500) is provided in the waste oil separator (400) And a charging device. The method according to claim 1,
Wherein a first filter (210) for filtering foreign matter is installed in the first and second connection hoses (200, 200 '). The method according to claim 1,
Wherein the first oil sump (900) is filled with PAG (poly alkylen glycol) lubricating oil. The method according to claim 1,
Wherein the second oil sump 900 'is filled with either polyvinylether (PVE) synthetic oil or POE (polyol ester) synthetic oil.

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